US20080200096A1 - Nursing pad - Google Patents
Nursing pad Download PDFInfo
- Publication number
- US20080200096A1 US20080200096A1 US11/706,688 US70668807A US2008200096A1 US 20080200096 A1 US20080200096 A1 US 20080200096A1 US 70668807 A US70668807 A US 70668807A US 2008200096 A1 US2008200096 A1 US 2008200096A1
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- US
- United States
- Prior art keywords
- absorbent assembly
- nursing pad
- absorbent
- perimeter
- pad according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/14—Bandages or dressings; Absorbent pads specially adapted for the breast or abdomen
- A61F13/141—Milk breast pads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F2013/15008—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use
- A61F2013/15016—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use for breast; pads for bras
Definitions
- the present invention relates to an absorbent article, and more particularly, in at least one aspect, to a nursing pad for absorbing fluid from a woman's breast.
- Nursing pads are well known in the art.
- the pads are typically formed from multiple layers and may be either flat or shaped, such as conical shaped.
- Known pads are associated with problems such as bulkiness, flatness, inability to change their shape when utilized, failure to fit snugly against the woman's body when used, leakage, and/or puckering.
- the present invention relates to a disposable absorbent article which in at least one exemplary embodiment is a nursing pad comprising an absorbent assembly having an inner surface and an outer surface with an absorbent material therebetween.
- the inner and outer surfaces are connected about a perimeter of the absorbent assembly with the perimeter having a non-circular shape.
- the absorbent assembly has a cupped configuration such that the inner surface is concave and the outer surface is convex.
- the absorbent assembly perimeter has an elliptical shape with major and minor axes wherein the ratio of the major axis to the minor axis is approximately 1.19:1.
- the absorbent assembly perimeter has a shape with an arcuate portion and opposed side portions which taper from the arcuate portion to a point.
- the absorbent assembly perimeter may be substantially symmetrical about a plane extending between the point and a midpoint of the arcuate portion.
- the absorbent assembly perimeter has a generally triangular shape.
- the absorbent assembly perimeter may include three equilateral sides and may further define three vertices, each of the vertices having a rounded configuration.
- the absorbent article in at least one exemplary embodiment comprises a nursing pad having an absorbent assembly with an inner surface and an outer surface which are connected about a perimeter of the absorbent assembly and an absorbent pulp material provided between the inner and outer surfaces within the absorbent assembly perimeter.
- the absorbent pulp material is formed with a reduced material thickness in at least one slimmer area within the absorbent assembly perimeter that is less than a total area within the absorbent assembly perimeter such that at least two areas having pulp material of differing thickness are defined.
- the absorbent assembly has a center area within the absorbent assembly perimeter and the at least one slimmer area extends circumferentially about the center area such that the center area has a pulp thickness which is larger than the pulp thickness of the remainder of the area within the absorbent assembly perimeter.
- the absorbent assembly has a center area within the absorbent assembly perimeter and at least one embossing line section extends radially about the center area.
- the absorbent assembly has first and second substantial hemispheres and wherein the at least one slimmer area is in the first substantial hemisphere such that the first substantial hemisphere has a pulp thickness which is less than the pulp thickness in the second substantial hemisphere.
- the first and second substantial hemispheres may be divided by an arcuate contour line.
- a plurality of embossing line sections may be provided along the arcuate contour line.
- the article is a nursing pad having an absorbent assembly with an inner surface and an outer surface with an absorbent material therebetween.
- the inner and outer surfaces are connected about a perimeter of the absorbent assembly.
- the absorbent assembly In an unfolded condition, the absorbent assembly has a cupped configuration such that the inner surface is concave and the outer surface is convex.
- the absorbent assembly In a folded condition, the absorbent assembly defines opposed folded sides extending between the perimeter with the opposed folded sides extending at an angle relative to one another in the range of approximately 150° to 175°.
- FIG. 1 is a perspective view of a first exemplary embodiment of an absorbent article according to aspects of this invention.
- FIG. 2 is a front elevation view of the absorbent article of FIG. 1 .
- FIG. 2A is a front view of the absorbent article of FIG. 1 folded along its major axis.
- FIG. 3 is a side elevation view of the absorbent article of FIG. 1 .
- FIG. 4 is a rear elevation view of the absorbent article of FIG. 1 .
- FIG. 5 is a sectional view along the line 5 - 5 in FIG. 1 .
- FIG. 6 is a perspective view of an absorbent article that is an alternative exemplary embodiment.
- FIG. 7 is a front elevation view of the absorbent article of FIG. 6 .
- FIG. 8 is a side elevation view of the absorbent article of FIG. 6 .
- FIG. 9 is a rear elevation view of the absorbent article of FIG. 6 .
- FIG. 10 is a perspective view of an absorbent article that is another alternative exemplary embodiment.
- FIG. 11 is a front elevation view of the absorbent article of FIG. 10 .
- FIG. 12 is a side elevation view of the absorbent article of FIG. 10 .
- FIG. 13 is a rear elevation view of the absorbent article of FIG. 10 .
- FIG. 14 is a perspective view of an absorbent article that is yet another alternative exemplary embodiment.
- FIG. 15 is a front elevation view of the absorbent article of FIG. 14 .
- FIG. 16 is a side elevation view of the absorbent article of FIG. 14 .
- FIG. 17 is a rear elevation view of the absorbent article of FIG. 14 .
- FIG. 18 is a sectional view along the line 18 - 18 in FIG. 14 .
- FIG. 19 is a rear elevation view of an absorbent article that is yet is another alternative exemplary embodiment.
- FIG. 20 is a cross sectional view of an absorbent article that is another alternative exemplary embodiment.
- FIG. 21 is a rear elevation view of an absorbent article that is yet another alternative exemplary embodiment.
- FIG. 22 is a rear elevation view of an absorbent article that is another alternative exemplary embodiment.
- the “rear” is the side of the nursing pad facing the wearer's breast and the “front” is the side facing away from the wearer toward the wearer's garment.
- a disposable absorbent article 10 in accordance with a first exemplary embodiment of the invention will be described. It should be pointed out that as used herein the term “disposable” means that article is designed to be used until soiled and then discarded, rather than being washed and used again.
- the article 10 is in the form of a nursing pad. While the following description focuses on nursing pads, it should be clear that the subject invention can be used for any type of pad-like absorbent article to be worn by a person within an undergarment for trapping fluid.
- the absorbent article 10 is generally formed of a liquid pervious inner liner or layer 12 , a liquid absorbent, e.g., air-laid composite, core 14 , and an outer cover or moisture barrier 16 .
- the inner layer 12 may be of any liquid pervious material and may be selected from a variety of textile-like films and fabrics.
- One particularly suitable material is a 20 gsm wettable nonwoven coverstock, made of spun bond polypropylene.
- a tissue layer 13 for example, a 20 gsm tissue paper, is provided between the inner layer 12 and the absorbent core 14 .
- the inner layer 12 may be disposed directly on-top of the absorbent core 14 .
- the inner layer 12 may be formed of other material fibers (e.g., polyethylene, bi-component, polyester, rayon, cotton, etc.), fiber combinations (e.g., spunbond, air laid, wet laid, carded, hydroentangled, etc.), and basis weights may be used as well.
- the inner layer 12 may be formed of a liquid impermeable material, e.g., three dimensional polymeric film, having plural apertures or pores extending therethrough so as to make the material liquid permeable.
- the outer layer or moisture barrier 16 is disposed over the other side of the absorbent core 14 , i.e., on the opposite side from the inner layer 12 .
- a tissue layer 15 for example, a 20 gsm tissue paper, is provided between the outer layer 16 and the absorbent core 14 .
- the outer layer 16 may be disposed directly on-top of the absorbent core 14 .
- the outer layer 16 may be of any suitable generally liquid impervious material, for example, a nonwoven material with a polymer film applied thereto.
- the core 14 can be made up of any suitable absorbent material, as well as combinations of different types of absorbent materials and may have any desired material weight and density.
- the absorbent core 14 is formed of an air-laid absorbent material, such as wood pulp, and a super absorbent polymer powder (SAP) and a binder.
- SAP super absorbent polymer powder
- SAP include polyacrylamides, polyvinyl alcohol, polyacrylates, various grafted starches, and the like.
- the inner layer 12 and the moisture barrier 16 are generally the same size and are disposed coincident with each other.
- the core 14 is of the same general shape as the inner layer 12 and the moisture barrier 16 , but is slightly smaller in size, and is centered within the confines of the coincident peripheries of the inner layer 12 and moisture barrier 16 .
- the marginal portions of the inner layer 12 and the moisture barrier 16 which extend beyond the periphery of the core 14 are secured together along their respective inner surfaces by any suitable means, e.g., thermal or ultrasonic bonding, or by an adhesive (not shown) such that the absorbent article 10 has an absorbent assembly 20 generally defined by the inner layer 12 , the absorbent core 14 and the barrier 16 .
- the absorbent assembly 20 is formed with a cupped configuration such that the inner layer 12 defines a concave inner surface 22 and the moisture barrier 16 defines a convex outer surface 26 . It is desirable that the absorbent assembly 20 is formed such that the cupped configuration is the absorbent article's 10 natural shape, i.e., the shape the article 10 assumes without any external force applied thereto. Such a natural cupped configuration may be obtained by forming the assembled absorbent assembly 20 to have a cupped configuration. Alternatively, the core 14 may be shaped to have a cupped configuration, and thereafter, assembled with the inner layer 12 and the moisture barrier 16 to form an absorbent assembly 20 with a cupped configuration.
- the absorbent assembly 20 may be formed to define the cupped configuration, either directly or via forming of the core 14 .
- the absorbent assembly 20 provides a substantially smooth radial surface. Such generally avoids the wrinkles, bunching and other imperfections which may occur and show through the wearer's clothing if the absorbent article 10 is shaped after manufacture.
- the absorbent assembly 20 of the absorbent article 10 defines a perimeter P having a non-circular configuration.
- the perimeter P has an elliptical or “lemon shaped” configuration with a major axis A and a minor axis B.
- the ratio of the major axis length LA to the minor axis length LB is preferably between approximately 1.05:1 and 1.50:1, with a most preferred ratio of approximately 1.19:1. Other ratios outside of this range may also be utilized.
- An exemplary product having a major axis length LA of 125 mm and a minor axis length LB of 105 mm has been found to provide a desirable shape.
- the absorbent article 10 is shown folded in half about the major axis A.
- the cupped configuration of the absorbent assembly 20 and the elliptical shape of the perimeter P define folded edges 25 and 27 which extend at an obtuse angle ⁇ relative to one another.
- the angle ⁇ is preferably in the range of approximately 150° and 175° and most preferably not more than approximately 175°, however, other angles are also possible.
- the absorbent article 10 of the present embodiment provides a nursing pad which generally fits within a wearer's brassiere and provides a smooth and discrete outer surface. While these aspects are achieved by the cupped core and the given perimeter configuration, the invention is not limited to the specific configuration shown or the aesthetic appearance thereof.
- a positioning adhesive 18 (shown in phantom in FIG. 2 ) is provided on the outer surface 26 of the moisture barrier 16 to help maintain the absorbent article in position relative to the wearer's garment, however, such is not required.
- the positioning adhesive 18 is provided within the upper hemisphere of the absorbent article 10 , but may be otherwise positioned. Any suitable positioning adhesive can be used, such as a pressure sensitive hot melt adhesive.
- a release strip 19 e.g., a release paper
- the release strip 19 can be formed of any suitable adhesive protective, yet easy to release, material.
- FIGS. 6-9 a disposable absorbent article 50 in accordance with an alternative exemplary embodiment will be described.
- the article 50 is again shown and described in the form of a nursing pad although it can be used for any type of pad-like absorbent article to be worn by a person within an undergarment for trapping fluid.
- the absorbent article 50 is generally formed of a liquid pervious inner liner or layer 52 , a liquid absorbent core 54 (shown in phantom in FIG. 8 ), and an outer cover or moisture barrier 56 similar to the previous embodiment.
- the materials and construction are generally the same as in the previous embodiment.
- the inner layer 52 and the moisture barrier 56 are generally the same size and are disposed coincident with each other.
- the core 54 is of the same general shape as the inner layer 52 and the moisture barrier 56 , but is slightly smaller in size, and is centered within the confines of the coincident peripheries of the inner layer 52 and moisture barrier 56 .
- the marginal portions of the inner layer 52 and the moisture barrier 56 which extend beyond the periphery of the core 54 are secured together along their respective inner surfaces by any suitable means, e.g., thermal or ultrasonic bonding, or by an adhesive (not is shown) such that the absorbent article 50 has an absorbent assembly 60 generally defined by the inner layer 52 , the absorbent core 54 and the barrier 56 .
- the absorbent assembly 60 is again formed with a cupped configuration such that the inner layer 52 defines a concave inner surface 62 (see FIG. 9 ) and the moisture barrier 56 defines a convex outer surface 66 . It is desirable that the absorbent assembly 60 is formed such that the cupped configuration is the absorbent article's 50 natural shape, i.e. the shape the article 50 assumes without any external force applied thereto. Such a natural cupped configuration may be obtained by forming the assembled absorbent assembly 60 to have a cupped configuration. Alternatively, the core 54 may be shaped to have a cupped configuration, and thereafter, assembled with the inner layer 52 and the moisture barrier 56 to form an absorbent assembly 60 with a cupped configuration.
- the absorbent assembly 60 may be formed to define the cupped configuration, either directly or via forming of the core 14 .
- the absorbent assembly 60 provides a substantially smooth radial surface.
- the absorbent assembly 60 of the absorbent article 50 defines a perimeter P′ having a non-circular configuration.
- the perimeter P′ has a triangular configuration with three sides 70 , 72 , 74 .
- the three sides 70 , 72 and 74 are equal in length such that the perimeter P′ has an equilateral triangular configuration, however, such is not required.
- the sides 70 , 72 and 74 intersect to define three vertices 71 , 73 and 75 .
- each of the vertices 71 , 73 and 75 has a rounded configuration, however, such is not required.
- One, two or none of the vertices 71 , 73 and 75 may have such rounded configuration.
- the present embodiment is not illustrated with a positioning adhesive, but may incorporate such.
- the absorbent article 50 of the present embodiment provides a nursing pad which generally fits within a wearer's brassiere and provides a smooth and discrete outer surface. While these aspects are achieved by the cupped core and the given perimeter configuration, the invention is not limited to the specific configuration shown or the aesthetic appearance thereof.
- a disposable absorbent article 110 in accordance with another alternative exemplary embodiment will be described.
- the article 110 is again shown and described in the form of a nursing pad although it can be used for any type of pad-like absorbent article to be worn by a person within an undergarment for trapping fluid.
- the absorbent article 110 is generally formed of a liquid pervious inner liner or layer 112 , a liquid absorbent core 114 (shown in phantom in FIG. 12 ), and an outer cover or moisture barrier 116 similar to the previous embodiments.
- the materials and construction are generally the same as in the previous embodiments.
- the inner layer 112 and the moisture barrier 116 are generally the same size and are disposed coincident with each other.
- the core 114 is of the same general shape as the inner layer 112 and the moisture barrier 116 , but is slightly smaller in size, and is centered within the confines of the coincident peripheries of the inner layer 112 and moisture barrier 116 .
- the marginal portions of the inner layer 112 and the moisture barrier 116 which extend beyond the periphery of the core 114 are secured together along their respective inner surfaces by any suitable means, e.g., thermal or ultrasonic bonding, or by an adhesive (not shown) such that the absorbent article 110 has an absorbent assembly 120 generally defined by the inner layer 112 , the absorbent core 114 and the barrier 116 .
- the absorbent assembly 120 is again formed with a cupped configuration such that the inner layer 112 defines a concave inner surface 122 (see FIG. 13 ) and the moisture barrier 116 defines a convex outer surface 126 . It is desirable that the absorbent assembly 120 is formed such that the cupped configuration is the absorbent article's 110 natural shape, i.e. the shape the article 110 assumes without any external force applied thereto. Such a natural cupped configuration may be obtained by forming the assembled absorbent assembly 120 to have a cupped configuration. Alternatively, the core 114 may be shaped to have a cupped configuration, and thereafter, assembled with the inner layer 112 and the moisture barrier 116 to form an absorbent assembly 120 with a cupped configuration.
- the absorbent assembly 120 may be formed to define the cupped configuration, either directly or via forming of the core 14 .
- the absorbent assembly 120 provides a substantially smooth radial surface.
- the absorbent assembly 120 of the absorbent article 110 defines a perimeter P′′ having a non-circular configuration.
- the perimeter P′′ has a teardrop configuration with an arcuate portion 130 and opposed sides 132 , 134 which taper from the arcuate portion to a point 136 .
- the absorbent assembly 120 is symmetrical about an axis M extending between the point 136 and a midpoint 131 along the arcuate portion 130 , however, such is not required.
- the absorbent article 110 is generally not symmetrical about the axis perpendicular thereto, i.e. the side to side axis, but instead provides a larger concave portion in the lower hemisphere of the article 110 .
- the present embodiment is not illustrated with a positioning adhesive, but may incorporate such.
- the absorbent article 110 of the present embodiment provides a nursing pad which generally fits within a wearer's brassiere and provides a smooth and discrete outer surface. While these aspects are achieved by the cupped core and the given perimeter configuration, the invention is not limited to the specific configuration shown or the aesthetic appearance thereof.
- a disposable absorbent article 150 in accordance with an alternative exemplary embodiment will be described.
- the article 150 is again shown and described in the form of a nursing pad although it can be used for any type of pad-like absorbent article to be worn by a person within an undergarment for trapping fluid.
- the absorbent article 150 is generally formed of a liquid pervious inner liner or layer 152 , a liquid absorbent core 154 , and an outer cover or moisture barrier 156 similar to the previous embodiments.
- the materials and construction are generally the same as in the previous embodiments.
- the inner layer 152 and the moisture barrier 156 are generally the same size and are disposed coincident with each other.
- the core 154 is of the same general shape as the inner layer 152 and the moisture barrier 156 , but is slightly smaller in size, and is centered within the confines of the coincident peripheries of the inner layer 152 and moisture barrier 156 .
- the marginal portions of the inner layer 152 and the moisture barrier 156 which extend beyond the periphery of the core 154 are secured together along their respective inner surfaces by any suitable means, e.g., thermal or ultrasonic bonding, or by an adhesive (not shown) such that the absorbent article 150 has an absorbent assembly 160 generally defined by the inner layer 152 , the absorbent core 154 and the barrier 156 .
- the absorbent assembly 160 is again formed with a cupped configuration such that the inner layer 152 defines a concave inner surface 162 and the moisture barrier 156 defines a convex outer surface 166 . It is desirable that the absorbent assembly 160 is formed such that the cupped configuration is the absorbent article's 150 natural shape, i.e. the shape the article 150 assumes without any external force applied thereto. Such a natural cupped configuration may be obtained by forming the assembled absorbent assembly 160 to have a cupped configuration. Alternatively, the core 154 may be shaped to have a cupped configuration, and thereafter, assembled with the inner layer 152 and the moisture barrier 156 to form an absorbent assembly 160 with a cupped configuration.
- the absorbent assembly 160 may be formed to define the cupped configuration, either directly or via forming of the core 14 .
- the absorbent assembly 160 provides a substantially smooth radial surface.
- the compression and/or forming of the core 154 is controlled such that the core 154 defines areas having differing core thicknesses.
- the upper hemisphere 170 of the core 154 is more compressed than the lower hemisphere 172 .
- the upper hemisphere 170 defines a slimmer area 171 within the perimeter of the article 150 that has a core material thickness which is less than the core material thickness in the remainder of the core 154 .
- the thickness of the core 154 in the lower hemisphere 172 is approximately twice the thickness of the core 154 in the upper hemisphere 170 .
- the core thickness ratio is preferably not more than about 2:1, however, other ratios may also be utilized.
- the slimmer area 171 may be achieved by compressing the core material therein, the invention is not limited to such.
- the slimmer area 171 may alternatively be achieved by providing less core material within the slimmer area 171 .
- the slimmer area 171 may be provided with approximately one-half the amount of core material. Other methods of acheiving the different core thicknesses may also be utilized.
- the upper and lower hemispheres 170 and 172 are divided along one or more arcuate contour lines 175 .
- Arcuate contour line 175 has a curvature approximately equal to the curvature of the absorbent assembly perimeter.
- the lower edge of the slimmer area 171 preferably follows the arcuate contour line 175 dividing the hemispheres 170 and 172 .
- Other configurations may also be provided.
- the absorbent assembly 160 of the absorbent article 150 has a generally circular perimeter. It is further noted that in the present embodiment, a positioning adhesive 178 (shown in phantom in FIG. 15 ) and a release strip 179 are provided, but such are not required.
- the article 150 ′ is substantially the same as the absorbent article 150 illustrated in FIGS. 14-18 , but includes an embossing line 180 along the lower edge of the slimmer area 171 .
- Each section 182 of each embossing line 180 is produced by applying pressure and/or heat to the portions of the article 150 ′ along the line to compress and increase the density of the materials along those lines.
- the compression and/or heat applied to the materials making up the core 154 causes the interstitial space between the individual fibers making up the core to compress or become densified. Such densified areas may inhibit liquid to flow therethrough, and thereby assist in controlling fluid flow within the absorbent article 150 ′.
- the uncompressed sections 184 between the embossing line portions 182 may also be provided to further control fluid flow in a desired fashion.
- the application of pressure and heat can be accomplished using conventional thermal or ultrasonic bonding techniques or by pattern embossing.
- the use of pressure alone may be sufficient to produce a dense embossing line which remains after the pressure is removed.
- an adhesive may be used when pressure is applied to create the dense embossing line 180 . Since the embossing line 180 remains, the embossing line 180 helps to further define the shape of the assembled absorbent article 150 ′. While only one embossing line 180 is shown, multiple embossing lines 180 may be provided, for example, along the various contour lines 175 .
- the article 200 is substantially similar to the article 150 illustrated in FIGS. 14-18 and generally includes a liquid pervious inner liner or layer 212 , a liquid absorbent core 214 , and an outer cover or moisture barrier 216 similar to the previous embodiments.
- the compression and/or forming of the core 214 is controlled such that the core 214 defines areas having differing core thicknesses.
- the center area 220 of the core 214 is less compressed than the slimmer area 221 extending circumferentially about the center area 220 .
- the slimmer area 221 has a core material thickness which is less than the core material thickness in the center area 220 of the core 214 .
- the thickness of the center area 220 of the core 214 is approximately twice the thickness of the remainder of the core 214 in the slimmer area 221 .
- This configuration provides greater absorbency in the center area 220 , where it is generally more needed, and provides a slimmer profile in the slimmer area 221 .
- an approximately 2:1 thickness ratio is illustrated, other ratios may be utilized.
- the article 200 ′ is substantially the same as the absorbent article 200 illustrated in FIG. 20 , but includes a circumferential embossing line 230 about the center area 220 .
- each section 232 of embossing line 230 is produced by applying pressure and/or heat to the portions of the article 200 ′ along the line to compress and increase the density of the materials along those lines.
- the uncompressed sections 234 between the embossing line portions 232 may be provided to allow fluid to flow from the center area 220 to the slimmer area 221 in a controlled manner if desired. Since the embossing line 230 remains, the embossing line 230 helps to further define the shape of the assembled absorbent article 200 ′.
- the article 200 ′′ is substantially the same as the absorbent article 200 ′ illustrated in FIG. 21 , but includes concentric continuous embossing lines 230 ′′ about the center area 220 . Additionally, the absorbent article 200 ′′ includes one or more radial embossing lines 236 which extend radially from the center area 220 toward the perimeter. While the radial embossing lines 236 are illustrated in conjunction with the circumferential embossing lines 230 ′′, they may also be provided alone, without circumferential embossing lines. The embossing lines 230 ′′ and 236 again help to define the shape of the assembled absorbent article 200 ′′.
Abstract
Description
- 1. Technical Field
- The present invention relates to an absorbent article, and more particularly, in at least one aspect, to a nursing pad for absorbing fluid from a woman's breast.
- 2. Description of the Related Art
- During lactation, it is common for breast milk to periodically leak from a woman's breasts. To prevent the milk from saturating the woman's clothing, many women utilize pads which absorb the milk which are called nursing pads.
- Nursing pads are well known in the art. The pads are typically formed from multiple layers and may be either flat or shaped, such as conical shaped. Known pads are associated with problems such as bulkiness, flatness, inability to change their shape when utilized, failure to fit snugly against the woman's body when used, leakage, and/or puckering.
- Accordingly, there remains a need for an improved nursing pad that overcomes one or more or all of the foregoing problems.
- The present invention relates to a disposable absorbent article which in at least one exemplary embodiment is a nursing pad comprising an absorbent assembly having an inner surface and an outer surface with an absorbent material therebetween. The inner and outer surfaces are connected about a perimeter of the absorbent assembly with the perimeter having a non-circular shape. The absorbent assembly has a cupped configuration such that the inner surface is concave and the outer surface is convex.
- In at least one exemplary embodiment, the absorbent assembly perimeter has an elliptical shape with major and minor axes wherein the ratio of the major axis to the minor axis is approximately 1.19:1.
- In at least one exemplary embodiment, the absorbent assembly perimeter has a shape with an arcuate portion and opposed side portions which taper from the arcuate portion to a point. In such embodiment, the absorbent assembly perimeter may be substantially symmetrical about a plane extending between the point and a midpoint of the arcuate portion.
- In at least one exemplary embodiment, the absorbent assembly perimeter has a generally triangular shape. In such embodiment, the absorbent assembly perimeter may include three equilateral sides and may further define three vertices, each of the vertices having a rounded configuration.
- The absorbent article in at least one exemplary embodiment comprises a nursing pad having an absorbent assembly with an inner surface and an outer surface which are connected about a perimeter of the absorbent assembly and an absorbent pulp material provided between the inner and outer surfaces within the absorbent assembly perimeter. The absorbent pulp material is formed with a reduced material thickness in at least one slimmer area within the absorbent assembly perimeter that is less than a total area within the absorbent assembly perimeter such that at least two areas having pulp material of differing thickness are defined.
- In at least one exemplary embodiment, the absorbent assembly has a center area within the absorbent assembly perimeter and the at least one slimmer area extends circumferentially about the center area such that the center area has a pulp thickness which is larger than the pulp thickness of the remainder of the area within the absorbent assembly perimeter.
- In at least one exemplary embodiment, the absorbent assembly has a center area within the absorbent assembly perimeter and at least one embossing line section extends radially about the center area.
- In at least one exemplary embodiment, the absorbent assembly has first and second substantial hemispheres and wherein the at least one slimmer area is in the first substantial hemisphere such that the first substantial hemisphere has a pulp thickness which is less than the pulp thickness in the second substantial hemisphere. In such an embodiment, the first and second substantial hemispheres may be divided by an arcuate contour line. A plurality of embossing line sections may be provided along the arcuate contour line.
- In at least one exemplary embodiment, the article is a nursing pad having an absorbent assembly with an inner surface and an outer surface with an absorbent material therebetween. The inner and outer surfaces are connected about a perimeter of the absorbent assembly. In an unfolded condition, the absorbent assembly has a cupped configuration such that the inner surface is concave and the outer surface is convex. In a folded condition, the absorbent assembly defines opposed folded sides extending between the perimeter with the opposed folded sides extending at an angle relative to one another in the range of approximately 150° to 175°.
- The invention is best understood from the following detailed description when read in connection with the accompanying drawings. It is emphasized that, according to common practice, the various features of the drawings are not to scale. On the contrary, the dimensions of the various features may be arbitrarily expanded or reduced for clarity. Included in the drawings are the following figures:
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FIG. 1 is a perspective view of a first exemplary embodiment of an absorbent article according to aspects of this invention. -
FIG. 2 is a front elevation view of the absorbent article ofFIG. 1 . -
FIG. 2A is a front view of the absorbent article ofFIG. 1 folded along its major axis. -
FIG. 3 is a side elevation view of the absorbent article ofFIG. 1 . -
FIG. 4 is a rear elevation view of the absorbent article ofFIG. 1 . -
FIG. 5 is a sectional view along the line 5-5 inFIG. 1 . -
FIG. 6 is a perspective view of an absorbent article that is an alternative exemplary embodiment. -
FIG. 7 is a front elevation view of the absorbent article ofFIG. 6 . -
FIG. 8 is a side elevation view of the absorbent article ofFIG. 6 . -
FIG. 9 is a rear elevation view of the absorbent article ofFIG. 6 . -
FIG. 10 is a perspective view of an absorbent article that is another alternative exemplary embodiment. -
FIG. 11 is a front elevation view of the absorbent article ofFIG. 10 . -
FIG. 12 is a side elevation view of the absorbent article ofFIG. 10 . -
FIG. 13 is a rear elevation view of the absorbent article ofFIG. 10 . -
FIG. 14 is a perspective view of an absorbent article that is yet another alternative exemplary embodiment. -
FIG. 15 is a front elevation view of the absorbent article ofFIG. 14 . -
FIG. 16 is a side elevation view of the absorbent article ofFIG. 14 . -
FIG. 17 is a rear elevation view of the absorbent article ofFIG. 14 . -
FIG. 18 is a sectional view along the line 18-18 inFIG. 14 . -
FIG. 19 is a rear elevation view of an absorbent article that is yet is another alternative exemplary embodiment. -
FIG. 20 is a cross sectional view of an absorbent article that is another alternative exemplary embodiment. -
FIG. 21 is a rear elevation view of an absorbent article that is yet another alternative exemplary embodiment. -
FIG. 22 is a rear elevation view of an absorbent article that is another alternative exemplary embodiment. - Although the invention is illustrated and described herein with reference to specific embodiments, the invention is not intended to be limited to the details shown. Rather, various modifications may be made in the details within the scope and range of equivalents of the claims and without departing from the invention.
- In the figures, the “rear” is the side of the nursing pad facing the wearer's breast and the “front” is the side facing away from the wearer toward the wearer's garment.
- Referring to
FIGS. 1-5 , a disposableabsorbent article 10 in accordance with a first exemplary embodiment of the invention will be described. It should be pointed out that as used herein the term “disposable” means that article is designed to be used until soiled and then discarded, rather than being washed and used again. - In the exemplary embodiment of
FIGS. 1-5 , thearticle 10 is in the form of a nursing pad. While the following description focuses on nursing pads, it should be clear that the subject invention can be used for any type of pad-like absorbent article to be worn by a person within an undergarment for trapping fluid. - Referring to the figures, and most particularly
FIG. 5 , theabsorbent article 10 is generally formed of a liquid pervious inner liner orlayer 12, a liquid absorbent, e.g., air-laid composite,core 14, and an outer cover ormoisture barrier 16. Theinner layer 12 may be of any liquid pervious material and may be selected from a variety of textile-like films and fabrics. One particularly suitable material is a 20 gsm wettable nonwoven coverstock, made of spun bond polypropylene. In the present embodiment, atissue layer 13, for example, a 20 gsm tissue paper, is provided between theinner layer 12 and theabsorbent core 14. Alternatively, theinner layer 12 may be disposed directly on-top of theabsorbent core 14. Theinner layer 12 may be formed of other material fibers (e.g., polyethylene, bi-component, polyester, rayon, cotton, etc.), fiber combinations (e.g., spunbond, air laid, wet laid, carded, hydroentangled, etc.), and basis weights may be used as well. In fact, if desired, theinner layer 12 may be formed of a liquid impermeable material, e.g., three dimensional polymeric film, having plural apertures or pores extending therethrough so as to make the material liquid permeable. - The outer layer or
moisture barrier 16 is disposed over the other side of theabsorbent core 14, i.e., on the opposite side from theinner layer 12. In the present embodiment, atissue layer 15, for example, a 20 gsm tissue paper, is provided between theouter layer 16 and theabsorbent core 14. Alternatively, theouter layer 16 may be disposed directly on-top of theabsorbent core 14. Theouter layer 16 may be of any suitable generally liquid impervious material, for example, a nonwoven material with a polymer film applied thereto. - The core 14 can be made up of any suitable absorbent material, as well as combinations of different types of absorbent materials and may have any desired material weight and density. For example, in one preferred embodiment shown herein the
absorbent core 14 is formed of an air-laid absorbent material, such as wood pulp, and a super absorbent polymer powder (SAP) and a binder. Examples of SAP include polyacrylamides, polyvinyl alcohol, polyacrylates, various grafted starches, and the like. - The
inner layer 12 and themoisture barrier 16 are generally the same size and are disposed coincident with each other. Thecore 14 is of the same general shape as theinner layer 12 and themoisture barrier 16, but is slightly smaller in size, and is centered within the confines of the coincident peripheries of theinner layer 12 andmoisture barrier 16. The marginal portions of theinner layer 12 and themoisture barrier 16 which extend beyond the periphery of the core 14 are secured together along their respective inner surfaces by any suitable means, e.g., thermal or ultrasonic bonding, or by an adhesive (not shown) such that theabsorbent article 10 has anabsorbent assembly 20 generally defined by theinner layer 12, theabsorbent core 14 and thebarrier 16. - Referring to
FIGS. 1 , 3 and 5, theabsorbent assembly 20 is formed with a cupped configuration such that theinner layer 12 defines a concaveinner surface 22 and themoisture barrier 16 defines a convexouter surface 26. It is desirable that theabsorbent assembly 20 is formed such that the cupped configuration is the absorbent article's 10 natural shape, i.e., the shape thearticle 10 assumes without any external force applied thereto. Such a natural cupped configuration may be obtained by forming the assembledabsorbent assembly 20 to have a cupped configuration. Alternatively, thecore 14 may be shaped to have a cupped configuration, and thereafter, assembled with theinner layer 12 and themoisture barrier 16 to form anabsorbent assembly 20 with a cupped configuration. Various compression and/or molding techniques may be utilized to form the core 14 or the assembledabsorbent assembly 20 with the cupped configuration. By forming theabsorbent assembly 20 to define the cupped configuration, either directly or via forming of the core 14, theabsorbent assembly 20 provides a substantially smooth radial surface. Such generally avoids the wrinkles, bunching and other imperfections which may occur and show through the wearer's clothing if theabsorbent article 10 is shaped after manufacture. - Referring to
FIGS. 2 and 4 , theabsorbent assembly 20 of theabsorbent article 10 defines a perimeter P having a non-circular configuration. In the present embodiment, the perimeter P has an elliptical or “lemon shaped” configuration with a major axis A and a minor axis B. The ratio of the major axis length LA to the minor axis length LB is preferably between approximately 1.05:1 and 1.50:1, with a most preferred ratio of approximately 1.19:1. Other ratios outside of this range may also be utilized. An exemplary product having a major axis length LA of 125 mm and a minor axis length LB of 105 mm has been found to provide a desirable shape. - Referring to
FIG. 2A , theabsorbent article 10 is shown folded in half about the major axis A. As shown therein, the cupped configuration of theabsorbent assembly 20 and the elliptical shape of the perimeter P define foldededges - The
absorbent article 10 of the present embodiment provides a nursing pad which generally fits within a wearer's brassiere and provides a smooth and discrete outer surface. While these aspects are achieved by the cupped core and the given perimeter configuration, the invention is not limited to the specific configuration shown or the aesthetic appearance thereof. - In the present embodiment, a positioning adhesive 18 (shown in phantom in
FIG. 2 ) is provided on theouter surface 26 of themoisture barrier 16 to help maintain the absorbent article in position relative to the wearer's garment, however, such is not required. Thepositioning adhesive 18 is provided within the upper hemisphere of theabsorbent article 10, but may be otherwise positioned. Any suitable positioning adhesive can be used, such as a pressure sensitive hot melt adhesive. In order to protect the positioning adhesive 18 from degradation or being soiled by debris, a release strip 19 (e.g., a release paper) is releasably secured over the positioningadhesive 18. Therelease strip 19 can be formed of any suitable adhesive protective, yet easy to release, material. - Referring to
FIGS. 6-9 , a disposableabsorbent article 50 in accordance with an alternative exemplary embodiment will be described. Thearticle 50 is again shown and described in the form of a nursing pad although it can be used for any type of pad-like absorbent article to be worn by a person within an undergarment for trapping fluid. - The
absorbent article 50 is generally formed of a liquid pervious inner liner orlayer 52, a liquid absorbent core 54 (shown in phantom inFIG. 8 ), and an outer cover ormoisture barrier 56 similar to the previous embodiment. The materials and construction are generally the same as in the previous embodiment. - As in the previous embodiment, the
inner layer 52 and themoisture barrier 56 are generally the same size and are disposed coincident with each other. Thecore 54 is of the same general shape as theinner layer 52 and themoisture barrier 56, but is slightly smaller in size, and is centered within the confines of the coincident peripheries of theinner layer 52 andmoisture barrier 56. The marginal portions of theinner layer 52 and themoisture barrier 56 which extend beyond the periphery of the core 54 are secured together along their respective inner surfaces by any suitable means, e.g., thermal or ultrasonic bonding, or by an adhesive (not is shown) such that theabsorbent article 50 has anabsorbent assembly 60 generally defined by theinner layer 52, theabsorbent core 54 and thebarrier 56. - Referring to
FIGS. 6 and 8 , theabsorbent assembly 60 is again formed with a cupped configuration such that theinner layer 52 defines a concave inner surface 62 (seeFIG. 9 ) and themoisture barrier 56 defines a convexouter surface 66. It is desirable that theabsorbent assembly 60 is formed such that the cupped configuration is the absorbent article's 50 natural shape, i.e. the shape thearticle 50 assumes without any external force applied thereto. Such a natural cupped configuration may be obtained by forming the assembledabsorbent assembly 60 to have a cupped configuration. Alternatively, thecore 54 may be shaped to have a cupped configuration, and thereafter, assembled with theinner layer 52 and themoisture barrier 56 to form anabsorbent assembly 60 with a cupped configuration. Again, various compression and/or molding techniques may be utilized to form the core 54 or the assembledabsorbent assembly 60 with the cupped configuration. By forming theabsorbent assembly 60 to define the cupped configuration, either directly or via forming of the core 14, theabsorbent assembly 60 provides a substantially smooth radial surface. - Referring to
FIGS. 7 and 9 , theabsorbent assembly 60 of theabsorbent article 50 defines a perimeter P′ having a non-circular configuration. In the present embodiment, the perimeter P′ has a triangular configuration with threesides sides sides vertices vertices vertices - The present embodiment is not illustrated with a positioning adhesive, but may incorporate such.
- The
absorbent article 50 of the present embodiment provides a nursing pad which generally fits within a wearer's brassiere and provides a smooth and discrete outer surface. While these aspects are achieved by the cupped core and the given perimeter configuration, the invention is not limited to the specific configuration shown or the aesthetic appearance thereof. - Referring to
FIGS. 10-13 , a disposableabsorbent article 110 in accordance with another alternative exemplary embodiment will be described. Thearticle 110 is again shown and described in the form of a nursing pad although it can be used for any type of pad-like absorbent article to be worn by a person within an undergarment for trapping fluid. - The
absorbent article 110 is generally formed of a liquid pervious inner liner orlayer 112, a liquid absorbent core 114 (shown in phantom inFIG. 12 ), and an outer cover ormoisture barrier 116 similar to the previous embodiments. The materials and construction are generally the same as in the previous embodiments. - As in the previous embodiments, the
inner layer 112 and themoisture barrier 116 are generally the same size and are disposed coincident with each other. Thecore 114 is of the same general shape as theinner layer 112 and themoisture barrier 116, but is slightly smaller in size, and is centered within the confines of the coincident peripheries of theinner layer 112 andmoisture barrier 116. The marginal portions of theinner layer 112 and themoisture barrier 116 which extend beyond the periphery of thecore 114 are secured together along their respective inner surfaces by any suitable means, e.g., thermal or ultrasonic bonding, or by an adhesive (not shown) such that theabsorbent article 110 has anabsorbent assembly 120 generally defined by theinner layer 112, theabsorbent core 114 and thebarrier 116. - Referring to
FIGS. 10 and 12 , theabsorbent assembly 120 is again formed with a cupped configuration such that theinner layer 112 defines a concave inner surface 122 (seeFIG. 13 ) and themoisture barrier 116 defines a convexouter surface 126. It is desirable that theabsorbent assembly 120 is formed such that the cupped configuration is the absorbent article's 110 natural shape, i.e. the shape thearticle 110 assumes without any external force applied thereto. Such a natural cupped configuration may be obtained by forming the assembledabsorbent assembly 120 to have a cupped configuration. Alternatively, thecore 114 may be shaped to have a cupped configuration, and thereafter, assembled with theinner layer 112 and themoisture barrier 116 to form anabsorbent assembly 120 with a cupped configuration. Again, various compression and/or molding techniques may be utilized to form thecore 114 or the assembledabsorbent assembly 120 with the cupped configuration. By forming theabsorbent assembly 120 to define the cupped configuration, either directly or via forming of the core 14, theabsorbent assembly 120 provides a substantially smooth radial surface. - Referring to
FIGS. 11 and 13 , theabsorbent assembly 120 of theabsorbent article 110 defines a perimeter P″ having a non-circular configuration. In the present embodiment, the perimeter P″ has a teardrop configuration with anarcuate portion 130 and opposedsides point 136. In the illustrated embodiment, theabsorbent assembly 120 is symmetrical about an axis M extending between thepoint 136 and amidpoint 131 along thearcuate portion 130, however, such is not required. Theabsorbent article 110 is generally not symmetrical about the axis perpendicular thereto, i.e. the side to side axis, but instead provides a larger concave portion in the lower hemisphere of thearticle 110. - The present embodiment is not illustrated with a positioning adhesive, but may incorporate such.
- The
absorbent article 110 of the present embodiment provides a nursing pad which generally fits within a wearer's brassiere and provides a smooth and discrete outer surface. While these aspects are achieved by the cupped core and the given perimeter configuration, the invention is not limited to the specific configuration shown or the aesthetic appearance thereof. - Referring to
FIGS. 14-18 , a disposableabsorbent article 150 in accordance with an alternative exemplary embodiment will be described. Thearticle 150 is again shown and described in the form of a nursing pad although it can be used for any type of pad-like absorbent article to be worn by a person within an undergarment for trapping fluid. - The
absorbent article 150 is generally formed of a liquid pervious inner liner orlayer 152, a liquidabsorbent core 154, and an outer cover ormoisture barrier 156 similar to the previous embodiments. The materials and construction are generally the same as in the previous embodiments. - As in the previous embodiments, the
inner layer 152 and themoisture barrier 156 are generally the same size and are disposed coincident with each other. Thecore 154 is of the same general shape as theinner layer 152 and themoisture barrier 156, but is slightly smaller in size, and is centered within the confines of the coincident peripheries of theinner layer 152 andmoisture barrier 156. The marginal portions of theinner layer 152 and themoisture barrier 156 which extend beyond the periphery of thecore 154 are secured together along their respective inner surfaces by any suitable means, e.g., thermal or ultrasonic bonding, or by an adhesive (not shown) such that theabsorbent article 150 has anabsorbent assembly 160 generally defined by theinner layer 152, theabsorbent core 154 and thebarrier 156. - Referring to
FIGS. 14 , 16 and 18, theabsorbent assembly 160 is again formed with a cupped configuration such that theinner layer 152 defines a concaveinner surface 162 and themoisture barrier 156 defines a convexouter surface 166. It is desirable that theabsorbent assembly 160 is formed such that the cupped configuration is the absorbent article's 150 natural shape, i.e. the shape thearticle 150 assumes without any external force applied thereto. Such a natural cupped configuration may be obtained by forming the assembledabsorbent assembly 160 to have a cupped configuration. Alternatively, thecore 154 may be shaped to have a cupped configuration, and thereafter, assembled with theinner layer 152 and themoisture barrier 156 to form anabsorbent assembly 160 with a cupped configuration. Again, various compression and/or molding techniques may be utilized to form thecore 154 or the assembledabsorbent assembly 160 with the cupped configuration. By forming theabsorbent assembly 160 to define the cupped configuration, either directly or via forming of the core 14, theabsorbent assembly 160 provides a substantially smooth radial surface. - In the present embodiment, the compression and/or forming of the
core 154 is controlled such that thecore 154 defines areas having differing core thicknesses. Referring toFIG. 18 , theupper hemisphere 170 of thecore 154 is more compressed than thelower hemisphere 172. As a result, theupper hemisphere 170 defines aslimmer area 171 within the perimeter of thearticle 150 that has a core material thickness which is less than the core material thickness in the remainder of thecore 154. For example, in the illustrated embodiment, the thickness of the core 154 in thelower hemisphere 172 is approximately twice the thickness of the core 154 in theupper hemisphere 170. This configuration provides greater absorbency in thelower hemisphere 172, where it is generally more needed, and provides a slimmer profile in theupper hemisphere 170. In the presently illustrated embodiment, the core thickness ratio is preferably not more than about 2:1, however, other ratios may also be utilized. - Furthermore, while the
slimmer area 171 may be achieved by compressing the core material therein, the invention is not limited to such. For example, theslimmer area 171 may alternatively be achieved by providing less core material within theslimmer area 171. In the illustrated embodiment with a 2:1 core thickness ratio, for example, theslimmer area 171 may be provided with approximately one-half the amount of core material. Other methods of acheiving the different core thicknesses may also be utilized. - Referring to
FIG. 15 , the upper andlower hemispheres arcuate contour lines 175.Arcuate contour line 175 has a curvature approximately equal to the curvature of the absorbent assembly perimeter. The lower edge of theslimmer area 171 preferably follows thearcuate contour line 175 dividing thehemispheres - Referring to
FIGS. 15 and 17 , it is noted that theabsorbent assembly 160 of theabsorbent article 150 has a generally circular perimeter. It is further noted that in the present embodiment, a positioning adhesive 178 (shown in phantom inFIG. 15 ) and arelease strip 179 are provided, but such are not required. - Referring to
FIG. 19 , a disposableabsorbent article 150′ in accordance with another alternative exemplary embodiment will be described. Thearticle 150′ is substantially the same as theabsorbent article 150 illustrated inFIGS. 14-18 , but includes anembossing line 180 along the lower edge of theslimmer area 171. - Each
section 182 of eachembossing line 180 is produced by applying pressure and/or heat to the portions of thearticle 150′ along the line to compress and increase the density of the materials along those lines. The compression and/or heat applied to the materials making up thecore 154 causes the interstitial space between the individual fibers making up the core to compress or become densified. Such densified areas may inhibit liquid to flow therethrough, and thereby assist in controlling fluid flow within theabsorbent article 150′. Theuncompressed sections 184 between theembossing line portions 182 may also be provided to further control fluid flow in a desired fashion. The application of pressure and heat can be accomplished using conventional thermal or ultrasonic bonding techniques or by pattern embossing. In some applications the use of pressure alone may be sufficient to produce a dense embossing line which remains after the pressure is removed. Moreover, an adhesive may be used when pressure is applied to create thedense embossing line 180. Since theembossing line 180 remains, theembossing line 180 helps to further define the shape of the assembledabsorbent article 150′. While only oneembossing line 180 is shown,multiple embossing lines 180 may be provided, for example, along thevarious contour lines 175. - Referring to
FIG. 20 , a disposableabsorbent article 200 in accordance with an alternative exemplary embodiment will be described. Thearticle 200 is substantially similar to thearticle 150 illustrated inFIGS. 14-18 and generally includes a liquid pervious inner liner orlayer 212, a liquidabsorbent core 214, and an outer cover ormoisture barrier 216 similar to the previous embodiments. - As in the embodiment illustrated in
FIGS. 14-18 , the compression and/or forming of thecore 214 is controlled such that thecore 214 defines areas having differing core thicknesses. Referring toFIG. 20 , thecenter area 220 of thecore 214 is less compressed than theslimmer area 221 extending circumferentially about thecenter area 220. As a result, theslimmer area 221 has a core material thickness which is less than the core material thickness in thecenter area 220 of thecore 214. For example, in the illustrated embodiment, the thickness of thecenter area 220 of thecore 214 is approximately twice the thickness of the remainder of the core 214 in theslimmer area 221. This configuration provides greater absorbency in thecenter area 220, where it is generally more needed, and provides a slimmer profile in theslimmer area 221. Again, while an approximately 2:1 thickness ratio is illustrated, other ratios may be utilized. - Referring to
FIG. 21 , a disposableabsorbent article 200′ in accordance with another alternative exemplary embodiment will be described. Thearticle 200′ is substantially the same as theabsorbent article 200 illustrated inFIG. 20 , but includes acircumferential embossing line 230 about thecenter area 220. - As explained above, each
section 232 ofembossing line 230 is produced by applying pressure and/or heat to the portions of thearticle 200′ along the line to compress and increase the density of the materials along those lines. Theuncompressed sections 234 between theembossing line portions 232 may be provided to allow fluid to flow from thecenter area 220 to theslimmer area 221 in a controlled manner if desired. Since theembossing line 230 remains, theembossing line 230 helps to further define the shape of the assembledabsorbent article 200′. - Referring to
FIG. 22 , a disposableabsorbent article 200″ in accordance with another alternative exemplary embodiment will be described. Thearticle 200″ is substantially the same as theabsorbent article 200′ illustrated inFIG. 21 , but includes concentriccontinuous embossing lines 230″ about thecenter area 220. Additionally, theabsorbent article 200″ includes one or moreradial embossing lines 236 which extend radially from thecenter area 220 toward the perimeter. While theradial embossing lines 236 are illustrated in conjunction with thecircumferential embossing lines 230″, they may also be provided alone, without circumferential embossing lines. The embossing lines 230″ and 236 again help to define the shape of the assembledabsorbent article 200″. - While preferred embodiments of the invention have been shown and described herein, it will be understood that such embodiments are provided by way of example only. Numerous variations, changes and substitutions will occur to those skilled in the art without departing from the spirit of the invention. Accordingly, it is intended that the appended claims cover all such variations as fall within the spirit and scope of the invention.
Claims (25)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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CA002600191A CA2600191A1 (en) | 2007-02-15 | 2007-09-04 | Nursing pad |
MX2007011478A MX2007011478A (en) | 2007-02-15 | 2007-09-18 | Nursing pad. |
EP07253927A EP1958603A2 (en) | 2007-02-15 | 2007-10-03 | Nursing pad |
CNA2008100856685A CN101244005A (en) | 2007-02-15 | 2008-02-15 | Nursing pad |
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US11/706,688 US20080200096A1 (en) | 2007-02-15 | 2007-02-15 | Nursing pad |
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KR20220055389A (en) * | 2020-10-26 | 2022-05-03 | 강효정 | pad with protrusion thread |
CN114795661A (en) * | 2022-04-27 | 2022-07-29 | 上海护理佳实业有限公司 | Breast pad |
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-
2007
- 2007-02-15 US US11/706,688 patent/US20080200096A1/en not_active Abandoned
- 2007-09-04 CA CA002600191A patent/CA2600191A1/en not_active Abandoned
- 2007-09-18 MX MX2007011478A patent/MX2007011478A/en unknown
- 2007-10-03 EP EP07253927A patent/EP1958603A2/en active Pending
-
2008
- 2008-02-15 CN CNA2008100856685A patent/CN101244005A/en active Pending
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Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090299252A1 (en) * | 2008-06-03 | 2009-12-03 | O'neill Barrie Jane | Breast Skin Care Dressing |
US20130267147A1 (en) * | 2010-12-29 | 2013-10-10 | Shanghai Foliage Industry Co., Ltd. | Breast cushion and production method thereof |
US20140364825A1 (en) * | 2012-06-08 | 2014-12-11 | Eln Group, Llc | Absorptive breast bandage |
US9005177B2 (en) * | 2012-06-08 | 2015-04-14 | Eln Group, Llc | Absorptive breast bandage |
USD775452S1 (en) * | 2013-06-26 | 2017-01-03 | Double Scoop, LLC | Combination cleavage-enhancing garment insert and set of insert covers |
USD799152S1 (en) | 2013-06-26 | 2017-10-10 | Double Scoop, LLC | Cleavage-enhancing garment insert |
USD846231S1 (en) | 2013-06-26 | 2019-04-23 | Double Scoop, LLC | Cleavage-enhancing garment insert |
USD735850S1 (en) | 2013-09-10 | 2015-08-04 | Kamesha Shonell Gray | Non slip nursing pad |
USD785169S1 (en) * | 2015-10-16 | 2017-04-25 | Pigeon Corporation | Nursing pad |
USD785787S1 (en) * | 2015-10-16 | 2017-05-02 | Pigeon Corporation | Nursing pad |
US20190290499A1 (en) * | 2016-03-04 | 2019-09-26 | Smith & Nephew Plc | Negative pressure wound therapy apparatus for post breast surgery wounds |
US11771820B2 (en) * | 2016-03-04 | 2023-10-03 | Smith & Nephew Plc | Negative pressure wound therapy apparatus for post breast surgery wounds |
US11833014B2 (en) | 2017-02-28 | 2023-12-05 | T.J.Smith And Nephew, Limited | Multiple dressing negative pressure wound therapy system |
USD924393S1 (en) * | 2019-04-12 | 2021-07-06 | Poh Leng Jeffrey CHUA | Disposable nursing pad |
US20200360197A1 (en) * | 2019-05-16 | 2020-11-19 | Hallan Hanson | Breast pad |
US11911248B2 (en) * | 2019-05-16 | 2024-02-27 | Hallan Hanson | Breast pad |
US11633306B2 (en) | 2019-12-12 | 2023-04-25 | Mas Innovation (Private) Limited | Absorbent component |
KR20220055389A (en) * | 2020-10-26 | 2022-05-03 | 강효정 | pad with protrusion thread |
KR102558773B1 (en) | 2020-10-26 | 2023-07-24 | 강효정 | pad with protrusion thread |
CN114795661A (en) * | 2022-04-27 | 2022-07-29 | 上海护理佳实业有限公司 | Breast pad |
Also Published As
Publication number | Publication date |
---|---|
MX2007011478A (en) | 2008-10-28 |
EP1958603A2 (en) | 2008-08-20 |
CN101244005A (en) | 2008-08-20 |
CA2600191A1 (en) | 2008-08-15 |
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Legal Events
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AS | Assignment |
Owner name: TYCO HEALTHCARE RETAIL SERVICES AG, SWITZERLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:THORNTON, KELLY;BHATTACHARYA, NEAL;MUNIZ, MARIELA;AND OTHERS;REEL/FRAME:018990/0278 Effective date: 20070212 |
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AS | Assignment |
Owner name: TYCO HEALTHCARE RETAIL GROUP, INC., PENNSYLVANIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TYCO HEALTHCARE RETAIL SERVICES AG;REEL/FRAME:021029/0606 Effective date: 20071214 Owner name: FIRST QUALITY RETAIL SERVICES, LLC, NEW YORK Free format text: MERGER;ASSIGNOR:TYCO HEALTHCARE RETAIL GROUP, INC.;REEL/FRAME:021050/0585 Effective date: 20080418 Owner name: TYCO HEALTHCARE RETAIL GROUP, INC.,PENNSYLVANIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TYCO HEALTHCARE RETAIL SERVICES AG;REEL/FRAME:021029/0606 Effective date: 20071214 Owner name: FIRST QUALITY RETAIL SERVICES, LLC,NEW YORK Free format text: MERGER;ASSIGNOR:TYCO HEALTHCARE RETAIL GROUP, INC.;REEL/FRAME:021050/0585 Effective date: 20080418 |
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Owner name: JP MORGAN CHASE BANK, N.A., ILLINOIS Free format text: SECURITY AGREEMENT;ASSIGNOR:FIRST QUALITY RETAIL SERVICES, LLC;REEL/FRAME:021205/0535 Effective date: 20080418 Owner name: JP MORGAN CHASE BANK, N.A.,ILLINOIS Free format text: SECURITY AGREEMENT;ASSIGNOR:FIRST QUALITY RETAIL SERVICES, LLC;REEL/FRAME:021205/0535 Effective date: 20080418 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |