WO2003063747A1 - Article vestimentaire jetable de type caleçon - Google Patents
Article vestimentaire jetable de type caleçon Download PDFInfo
- Publication number
- WO2003063747A1 WO2003063747A1 PCT/JP2003/000853 JP0300853W WO03063747A1 WO 2003063747 A1 WO2003063747 A1 WO 2003063747A1 JP 0300853 W JP0300853 W JP 0300853W WO 03063747 A1 WO03063747 A1 WO 03063747A1
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- WO
- WIPO (PCT)
- Prior art keywords
- leg
- opening
- around
- panel
- flap
- Prior art date
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Classifications
-
- 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
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
-
- 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
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
-
- 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
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49001—Absorbent articles specially adapted to be worn around the waist, e.g. diapers having preferential bending zones, e.g. fold lines or grooves
-
- 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
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49017—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being located at the crotch region
-
- 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
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
-
- 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
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
-
- 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
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
- A61F13/49426—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier the barrier having an absorbent medium
-
- 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
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
-
- 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
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
Definitions
- the present invention relates to a pan-shaped disposable wearing article that absorbs and holds excrement.
- the overlapping waist peripheral portions of the front and rear waist regions are connected to form a pair of waist openings and a pair of lower openings.
- a pants-type disposable wearing article having a leg opening is known.
- the leg circumference opening is surrounded by leg circumference flaps extending outward from both side edges of the panel in a leg circumference direction.
- the flap around the leg has a free side edge that forms an arc inward in the width direction of the article from the top side to the bottom side of the leg circumference opening, and the width between the free side edges is the width of the leg circumference opening. It is minimal at the bottom.
- the width dimension of the inseam area is smaller than the width dimension of the front and rear waist area, and the developed plane shape in which the front and rear waist areas are disconnected is substantially an hourglass shape. Examples of such pants-type wearing articles are disclosed in JP-A-111-177, JP-A-111-180, JP-A-11-155590. And Japanese Patent Application Laid-Open No. H11-169304.
- the waist opening is widened and the waist is opened.
- the leg opening opens in the width direction of the article in contrast to the waist opening opening in the vertical direction of the article, and the waist opening and the leg opening are not linearly connected. It can be seen that the leg flap extending toward the bottom of the leg opening is located directly below the waist opening.
- the wearer passes both legs from the waist opening to the leg opening to wear it, the finger or heel of the leg is easily caught by the leg flap located at the bottom of the leg opening. It may take time to wear the goods.
- the width of the crotch area at the bottom of the opening around the leg is larger than the width of the crotch part of the wearer, so that when the article is worn, the crotch area does not fit in the wearer's crotch part.
- the inseam area is bulky and uncomfortable when worn.
- the flap around the legs bends irregularly and the panel has a large number of irregular wrinkles, which results in absorption of excrement in the crotch area. The function is easily deteriorated, and excrement may leak from the inseam area.
- the width of the crotch of the wearer is generally in the range of 3 to 8 cm. Also, many of the commercially available wearing articles have a minimum width of the panel in the crotch region in a range of approximately 10 to 20 cm, and the width between the free sides of the flap around the leg in the crotch region. The minimum width dimension is generally in the range of 15 to 30 cm. Therefore, in commercially available articles, the width of the crotch region at the bottom of the leg opening is larger than the width of the crotch of the wearer.
- An object of the present invention is to provide a pan-shaped disposable wearing article that can fit a crotch region in a crotch part of a wearer without taking time for wearing, and that does not cause discomfort during wearing. Disclosure of the invention
- the premise of the present invention for solving the above-mentioned problems is that a liquid-permeable sheet located on the skin contact side, a liquid-impermeable sheet located on the non-skin contact side, and between the sheets A first waist opening and a pair of leg openings below the waist opening, wherein the leg circumference openings extend around the outer sides of both side edges of the first panel.
- a pan-shaped disposable wearing article which is surrounded by a flap around the leg extending in the direction, and has a minimum width between both side edges of the first panel on the bottom side of the opening around the leg.
- the leg circumference flap includes the legs located on the top side of the leg circumference opening from both side edges of the first panel located on the bottom side of the leg circumference opening.
- a first fold curve extending upward in the leg-circumferential direction toward the free side edge of the surrounding flap; and a first fold curve extending from both side edges of the first panel located on the side of the bottom of the leg-circumferential opening.
- a second fold curve extending outward in the width direction toward the free side edge of the leg-around flap located on the side.
- the leg circumference flap is bent through the first and second folding curves and folded inward in the width direction of the leg circumference opening, and the leg circumference located on the bottom side of the leg circumference opening.
- the flap stands up above the first panel, and the free side edges of the leg-around flaps approach each other inward in the width direction at the bottom of the leg-around opening. .
- the minimum distance between the free side edges of the leg-around flap located on the bottom side of the leg-around opening is closer to the bottom side of the leg-around opening. It is substantially the same as the minimum width dimension between both side edges of the first panel located. As another example of the embodiment of the present invention, the minimum width dimension between both side edges of the first panel located on the bottom side of the leg opening is in a range of 2 to 9 cm.
- a leg-surrounding elastic member extending in the leg-surrounding direction is attached to the leg-around flap in an extended state.
- the free side edge of the leg-around flap is substantially arcuate inward in the width direction from the top side to the bottom side of the leg-around opening.
- the width dimension between the free side edges of the flap around the leg is minimized on the bottom side of the leg opening.
- the liquid-absorbent second panel interposed between the liquid-permeable sheet and the liquid-impermeable sheet includes a portion near the first folding line and the leg. It is arranged between the free side edge of the surrounding flap and folded inward in the width direction of the leg surrounding opening together with the leg surrounding flap.
- the rigidity of the second panel is relatively low or the second panel does not exist.
- Figure 1 is a perspective view of a disposable wearing article.
- FIG. 2 is a perspective view of the article before the leg-around flap is folded into the inside of the leg-around opening.
- FIG. 3 is a partially exploded plan view of the article shown in FIG. 2 with the front and rear waist regions disconnected.
- FIG. 4 is a cross-sectional view taken along line AA of FIG.
- Figure 5 is a view of the article in Figure 1 viewed from above the waist opening with the waist opening widened.
- FIG. 6 is a perspective view of a wearing article according to another embodiment.
- FIG. 7 is a partially broken development plan view of the article of FIG. 6 with the front and rear waist regions disconnected.
- FIG. 8 is a cross-sectional view taken along line BB of FIG.
- Figure 9 is a view of the article of Figure 6 viewed from above the waist opening with the waist opening widened.
- FIGS. 1 and 2 are a perspective view of the disposable wearing article ⁇ and a perspective view of the article 1 A before the leg-around flap 13 is folded into the inside of the leg-around opening 17.
- 4 is a partially broken development plan view of the article 1A shown in FIG. 2 in a state where the connection between the front and rear waist regions 8, 10 is released, and a cross-sectional view taken along line AA of FIG.
- the waist direction is indicated by arrow XI
- the width direction is indicated by arrow X2
- the vertical direction is indicated by arrow Y
- the leg circumference is indicated by arrow ⁇ .
- the inner surface of the front sheet 2, the rear sheet 3, and the outer sheet 4 means the surface facing the first panel 5, and the outer surfaces of the sheets 2, 3, and 4 correspond to the first panel 5.
- Article 1 ⁇ has a rectangular liquid-permeable surface sheet 2 (liquid-permeable sheet) located on the skin contact side and a rectangular liquid-impermeable back sheet 3 (positioned on the non-skin contact side).
- a liquid-impervious sheet) located outside the back sheet 3 and having a larger area than those of the front and back sheets 2 and 3 (liquid-impervious sheet);
- Front and back sheets 2, 3 It is composed of a liquid-absorbent first panel 5 fixed to at least one inner surface of at least one of the sheets 2 and 3 interposed therebetween.
- the front and back sheets 2 and 3 and the panel 5 form a liquid-absorbent bat structure 6, and the exterior sheet 4 forms a bun structure ⁇ .
- the article 1A has a front waist region 8 and a rear waist region 10 facing each other, and a crotch region 9 located between the waist regions 8 and 10.
- the article 1A is located outside the both end edges 5a of the panel 5 and extends around the front and rear waist regions 8,10 in the waist direction.
- the waist side portions 12 extending vertically in the front and rear waist regions 8 and 10, and the leg around the crotch region 9 located outside the side edges 5 b of the panel 5 and extending in the leg circumferential direction. 13
- the article 1 A in which the front and rear waist regions 8, 10 are connected, has a waist opening 16 through which the wearer's torso passes, and a pair of waist legs located below the waist opening 16 through which the wearer's legs pass. An opening 17 is formed around the leg.
- the waist opening 16 is surrounded by the waist end 11, and the leg opening 1 ⁇ is surrounded by the leg flap 13.
- the outer surface of the back sheet 3 and the inner surface of the exterior sheet 4 are fixed via an adhesive 18 in the front and rear waist regions 8, 10 and the center of the crotch region 9.
- the flap 13 around the leg has its free side edge 13a substantially inward in the width direction of the article 1A from the top 17a side of the leg opening 17 to the bottom 17b side.
- Draw an arc the width dimension between the free side edges 1 3a M3 is the bottom of the opening 17 around the leg 1 7b Is the smallest on the side.
- the width of the inseam region 9 of the article 1A is smaller than the width of the front and rear waist regions 8 and 10, and its planar shape is an hourglass.
- the panel 5 extends from the crotch region 9 to the front and rear waist regions 8 and 10.
- the panel 5 has both side edges 5b arcing inward in the width direction of the article 1A in the crotch region 9.
- the panel 5 has an hourglass shape in plan view, and the width between the side edges 5 b is the smallest at the bottom 17 b side of the leg opening 17.
- the minimum width dimension Ml between the side edges 5b of the panel 5 located on the side of the bottom 17b of the leg opening 17 is in the range of 2 to 9 cm. When the minimum width dimension M 1 is less than 2 cm, the excrement absorbing function of the crotch region 9 on the side of the bottom 1 ⁇ b of the leg opening 1 ⁇ ⁇ ⁇ is significantly reduced.
- the panel 5 located on the bottom 17 b side of the leg opening 17 will not fit in the wearer's crotch when the article 1 A is worn. Panel 5 is bulky and gives an uncomfortable feeling when wearing article 1A. Also, when the panel 5 is tightened by the wearer's crotch, the panel 5 will have many irregular wrinkles.
- the planar shape of the panel 5 is not limited to an hourglass shape, and the planar shape may be rectangular as long as the minimum width dimension M1 is in the range of 2 to 9 cm.
- the top sheet 2 and the back sheet 3 extend longitudinally outward from both edges 5 a of the panel 5. Both ends 2 a, 3 a of the sheets 2, 3 and both edges 5 b of the panel 5 extend outward in the width direction.
- Both sides 2 b and 3 b of the front and back sheets 2 and 3 are in the width direction of the article 1 A in the front and rear waist regions 8 and 10. It is bent inward.
- Both sides 2b and 3b of the sheets 2 and 3 located in the front and rear waist regions 8 and 10 are laid down inward in the width direction of the article 1A, and the surface sheets 2 contacting each other.
- the outer surfaces of are fixed.
- a leak-proof sheet separate from the front and back sheets 2 and 3 may be attached to the outside of the side edges 5 b of the panel 5.
- the leak-proof sheet has a fixed edge fixed to the outside of both side edges 5 b of the panel 5, a free edge having an upright propensity above the panel 5, and a falling inward in the width direction of the article 1 A. And fixed end portions fixed to the outer sides of both end edges 5a of the panel 5 in an assembled state. An elastic member extending in a leg circumferential direction is attached to the free edge portion in an extended state.
- any of a hydrophobic fiber nonwoven fabric and a composite sheet in which a hydrophobic fiber nonwoven fabric and a liquid-impermeable plastic film are laminated can be used.
- the waist end 11 is formed of an exterior sheet 4 extending vertically outward from both end edges 5 a of the panel 5.
- the torso side portion 12 is formed of an exterior sheet 4 extending outward in the width direction from both side edges 5 b of the panel 5.
- a composite nonwoven fabric in which hydrophobic fiber nonwoven fabrics 19 and 20 are overlapped is used for the exterior sheet 4.
- a belt-shaped elastic member for waist 21 extending in the waist direction is attached to the waist end 11 in an extended state.
- the waist elastic member 21 is interposed between the nonwoven fabrics 19, 20 and is fixed to at least one of the nonwoven fabrics 19, 20.
- the leg-around flaps 13 extend outward from the side edges 5 b of the panel 5 in the width direction and from both sides 2 b, 3 b of the front and back sheets 2, 3 and from the side edges 5 b of the panel 5.
- the exterior sheet 4 extending in the direction is also formed.
- Leg circumference flaps 13 include multiple A plurality of leg elastic members 22 are attached in an extended state, and a leg folding flap 13 is formed with a first fold curve L 1 and a second fold curve L 2.
- the first fold curve L 1 is obtained from the side edges 5 b of the panel 5 located on the bottom 17 b side of the leg opening 17 and the leg circumference flag located on the top 17 a side of the leg opening 17. It extends upward around the leg toward the free side edge 13 a of the top 13.
- the second fold curve L2 is formed from the side edges 5b of the panel 5 located on the bottom 1 ⁇ b side of the leg opening 1 ⁇ ⁇ and the leg circumference flap located on the bottom 1 ⁇ b side of the leg opening 17 on the side around the leg 5b. 13 extends outward in the width direction toward the free side edge 13a.
- the leg-around flap 13 is bent through the first and second fold curves L 1 and L 2, as shown by an arrow X 3 in FIG. It is folded toward the inside of the opening 17.
- the leg elastic members 22 are composed of the first elastic members 23 attached to the exterior sheet 4 and the second elastic members 2 attached to both sides 2 b and 3 b of the front and back sheets 2 and 3. 4 and is formed from.
- the first elastic member 23 includes an elastic member 23 a that is convex from the front waist region 8 to the center of the crotch region 9, and a crotch region 9 from the rear waist region 10. And a resilient member 23b protruding toward the central portion.
- They elastic member 2 3 a, 2 3 b is a side portions 2 3 a l 5 2 3 bi extending leg flaps 1 3 the leg-surrounding direction, the central part 2 3 across the central portion of the crotch region 9 in the width direction a 2 , 23 b 2 .
- the first elastic member 23 is interposed between the nonwoven fabrics 19, 20 and is fixed to at least one of the nonwoven fabrics 19, 20.
- the second elastic member 24 is composed of both sides 23 a of the elastic members 23 a and 23 b! , SS bi, extending around the leg.
- 2nd elastic member Numeral 24 is fixed to the outer surface of the topsheet 2 in a state where it covers a part of both sides 2 b and 3 b of the front and back sheets 2 and 3.
- both sides of the elastic members 23a and 23b 23a! , 23 and both end portions 24 a of the second elastic member 24 intersect, and the elastic members 23, 24 substantially form a ring in the flap 13 around the leg.
- the article 1A of FIG. 1 is folded in the inseam area 9 with the topsheet 2 inside so that the front and rear waist areas 8, 10 face each other.
- the vicinity of the side edge 14 of the waist side portion 12 is fixedly connected to connect the front and rear waist regions 8, 10 with each other.
- the leg-around flap 13 is bent through the first and second fold curves L 1 and L 2, and as shown by the arrow X 3 in FIG. It may be folded inward in the width direction and inside the opening 17 around the leg.
- the flap 13 around the leg is folded into the opening 17 around the leg, as shown in Fig. 4, so that the flap 13 around the bottom 17b of the opening 17 around the leg is formed as shown in Fig. 4.
- Step 13 stands above panel 5.
- the free side edges 13 a of the leg flaps 13 are compared with those in Fig. 2 showing the state before the flaps 13 around the legs are folded. Approached inward in the width direction of the article 1A, and the distance between the free side edges 13a of the flaps 13 around the legs was reduced.
- the minimum clearance M2 between the free side edges 13a of the leg flap 13 is the minimum width dimension M1 between the side edges 5b of the panel 5. They are almost the same, and the minimum separation dimension M2 is in the range of 2 to 9 cm similarly to the minimum width dimension M1.
- the width of the crotch region 9 on the bottom 17 b side of the leg opening 17 is almost the same as the minimum width dimension M 1 of the panel 5, and the crotch region 9 on the bottom 17 b side of the leg opening 17.
- the width of the crotch of the wearer can be substantially the same as the width of the crotch of the wearer (generally in the range of 3 to 8 cm) or smaller than the width of the crotch of the wearer.
- the crotch region 9 on the side of the bottom 17b of the opening 17 around the leg fits into the crotch of the wearer, so there is no discomfort with the article 1A worn .
- the flap 13 standing up above the panel 5 forms a barrier to excretion, so the excrement from the bottom 17 b of the leg opening 17 Can be prevented from leaking.
- FIG. 5 is a view of the article 1A of FIG. 1 viewed from above the waist opening 16 with the waist opening 16 expanded.
- article 1A when it is viewed from above the waist opening 16, the waist opening 16 and the bottom 17 b of the leg opening 17 are open vertically, and the leg opening 1 The bottom 17 b of 7 is located immediately below the waist opening 16, and the waist opening 16 and the bottom 17 b of the leg opening 17 are connected substantially linearly.
- Article 1A when the wearer passes both legs from the waist opening 16 to the leg opening 17 to wear it, the leg around the bottom 17 b of the leg opening 17 The fingers and heels of the wearer's legs do not get caught on the flaps 13, and it takes time to wear article 1 A. None.
- FIGS. 6 and 7 are perspective views of a worn article 1B showing another embodiment, and a partially broken development plan view of the article 1B of FIG. 6 showing a state in which the front and rear waist regions 8, 10 are disconnected.
- 8 and 9 are cross-sectional views taken along the line B-B in FIG. 6 and the article 1 B in FIG. 6 when the torso opening 16 is expanded and viewed from above the torso opening 16.
- the waist direction is indicated by an arrow XI
- the width direction is indicated by an arrow X2
- the vertical direction is indicated by an arrow Y
- the leg circumference is indicated by an arrow ⁇ .
- Article 1B is composed of a liquid-permeable surface sheet 2 (liquid-permeable sheet) located on the skin contact side and a liquid-impermeable back sheet located on the non-skin contact side; 3 (liquid-impermeable sheet). Sheet), a liquid-impervious outer sheet 4 (liquid-impervious sheet) located outside the back sheet 3, and a liquid-absorbent first panel 5 interposed between the front and back sheets 2 and 3. It is the same as the article 1 in FIG. 1 in that a first fold curve L 1 and a second fold curve L 2 are formed on the leg flaps 13. The difference between the article 1B and the article 1B is as follows.
- the liquid-absorbent second panel 25 is disposed between the vicinity of the first fold curve L1 and the free side edge 13a of the leg-around flap 13. I have.
- the second panel 25 is interposed between the front sheet 2 and the back sheet 3 and is fixed to at least one of the inner surfaces of the sheets 2 and 3.
- the second panel 25 does not exist in the vicinity including the second fold curve L 2.
- the front and back sheets 2, 3 and the first and second panels 5, 25 form a liquid-absorbent bat structure 6, and the outer sheet 4 forms a pan ⁇ structure.
- the first panel 5 has an hourglass shape in plan view, and the width between the side edges 5 b is the smallest at the bottom 17 b side of the leg opening 17.
- Leg opening 1 The minimum width dimension M2 between the side edges 5b of the first panel 5 located on the side of the bottom 17b of the first panel 5 is the same as that between the side edges 5b of the first panel 5 in FIG. in the cm range.
- the first fold curve L1 extends from the side edge 5b of the first panel 5 located at the bottom 17b of the leg opening 17 to the top 17t of the leg opening 17 at the side of the leg 17b.
- the flap 13 extends upwardly in the direction around the leg toward the free side edge 13a.
- the second fold curve L 2 is located around the bottom of the opening 17 on both sides 5 b of the first panel 5 located on the side of the bottom 17 b of the opening 17 and around the bottom of the opening 17 on the side of the bottom 17 b of the opening 17.
- the leg circumference flap 13 Extending outward in the width direction toward the free side edge 13 a of the flap 13, in the article 1 B., the leg circumference flap 13 has the first and second fold curves L 1, L 2 The second panel 25 together with the leg-around flap 13 is folded inward in the width direction of the article 1B and inside the leg-around opening 17.
- the article 1B of FIG. 6 is bent at the inseam area 9 with the surface sheet 2 inside so that the front and rear waist areas 8, 10 face each other. Then, the vicinity of the side edge 14 of the waist side portion 12 is fixed to connect the front and rear waist regions 8, 10 with each other.
- the leg circumference flap 13 is bent through the first and second fold curves L 1 and L 2, and the leg circumference flap 13 and the second panel 25 are connected to the width of the article 1 B. It may be folded inward in the direction and inside the opening 17 around the leg.
- the leg-around flap 13 is folded into the inside of the leg-around opening 17 through the first and second folding curves L1 and L2, as shown in FIG.
- the second panel 25 stands up above the first panel 5 together with the leg flaps 13 positioned on the side of the bottom 1 ⁇ b of the opening 17. Open around the leg ⁇ At the bottom 1 7b of 17 Free side edges 13 of leg flaps 13 approach inward in the width direction of article 1B, and the distance between free side edges 13a of flaps 13 around legs decreases. are doing.
- the minimum separation dimension M 2 between the free side edges 13 a of the leg circumference flap 13 is approximately the same as the minimum width dimension M 1 between the side edges 5 b of the first panel 5. They are the same.
- the width of the crotch region 9 on the side of the bottom 1 ⁇ b of the leg opening 1 ⁇ is substantially the same as the minimum width M1 of the panel 5 by folding the flap 13 around the leg.
- the width of the crotch region 9 at the bottom 17 b of the leg opening 17 can be the same as the width of the crotch of the wearer or smaller than the width of the crotch of the wearer. .
- the crotch area 9 on the side of the bottom 17b of the leg opening 17 fits in the crotch of the wearer, so that there is no discomfort to the worn article 1B.
- the first panel 5 not only absorbs excrement, but the second panel 25 also absorbs excrement, so it is compared with the article 1 B in FIG. However, a large amount of excrement can be absorbed by the article 1B at the bottom 17b of the leg opening 17.
- the second panel 25 may be present in the vicinity including the second folding curve L2.
- the rigidity of the second panel 25 near the second folding curve L 2 includes the second panel 25 excluding the second panel 25. It is preferable that the rigidity is lower than 25.
- the stiffness of the second panel 25 existing near the first folding curve L1 be lower than the stiffness of the second panel 25 other than the second panel 25.
- the first panel 5 may be present in the vicinity including the first folding line L1.
- the stiffness of the first panel 5 in the vicinity including the first fold curve L1 is higher than the stiffness of the first panel 5 excluding the first panel 5 in the vicinity. It is also preferred that it is low.
- the stiffness of the first and second panels 5, 25 near the first and second fold curves L1, L2, for example, form the panels 5, 25 Hula pulp and heat The basis weight per unit volume of at least one of the plastic synthetic resin fibers may be reduced.
- the first and second legs are folded when the leg flaps 13 are folded.
- the outer surfaces of the exterior sheets 4 that are located between the folding curves L 1 and L 2 and the free side edge 13 a of the leg surrounding flap 13 and abut on each other may be fixed to each other.
- any one of a hydrophilic fiber nonwoven fabric, a hydrophobic fiber nonwoven fabric having a large number of openings, and a plastic film having a large number of fine openings can be used.
- the back sheet 3 includes a hydrophobic fiber nonwoven fabric, a gas-impermeable liquid-impermeable plastic film, a composite nonwoven fabric obtained by laminating hydrophobic fiber nonwoven fabrics, a hydrophobic fiber nonwoven fabric, and a gas-impermeable liquid-impermeable plastic film. Any of the superimposed composite sheets can be used.
- the exterior sheet 4 may be made of any one of a hydrophobic fiber nonwoven fabric, a gas-impermeable liquid-impermeable plastic film, and a composite sheet in which a hydrophobic fiber nonwoven fabric and a gas-impermeable liquid-impermeable plastic film are laminated.
- the back sheet 3 and the exterior sheet 4 are composites in which both sides of a highly water-resistant melt-blown fiber nonwoven fabric are sandwiched between high-strength and flexible spunbond fiber nonwoven fabrics. Non-woven fabrics can also be used.
- nonwoven fabric spun lace, 21 dollar punch, melt blown, thermal bond, spun bond, chemical bond, air through can be used.
- the constituent fibers of the nonwoven fabric include polyolefin-based, polyester-based, and polyamide-based fibers, core-sheath composite fibers made of polyethylene / polypropylene and polyethylene / polyester, and the like. Side-by-side composite fibers can be used.
- the outer sheet 4 is made of a stretchable and hydrophobic fiber nonwoven fabric, a stretchable and liquid-impervious plastic film, a stretchable and hydrophobic fiber nonwoven fabric, a composite nonwoven fabric, and a stretchable and hydrophobic fabric. Any of composite sheets in which a fibrous nonwoven fabric and an elastic and liquid-impermeable plastic film are laminated can be used.
- the stretchable nonwoven fabric those manufactured by a melt blown or spunbond manufacturing method can be used.
- the constituent fibers of the elastic nonwoven fabric elastic fibers obtained by melting and spinning a thermoplastic elastomer resin can be used.
- the exterior sheet 4 is made by melting and spinning a thermoplastic synthetic resin of one of polypropylene, polyethylene, and polyester on at least one surface of a stretchable nonwoven fabric made of thermoplastic elastomer resin fibers. It is also possible to use a composite nonwoven fabric in which a fibrous nonwoven fabric made of crimped fibers is bonded.
- the first and second panels 5, 25 are a mixture of fluff pulp and superabsorbent polymer particles or a mixture of fluff pulp and superabsorbent polymer particles and thermoplastic synthetic resin fibers. It is compressed to the required thickness.
- the first and second panels 5 and 25 are preferably entirely covered and bonded to a tissue wrapper to prevent their shape and polymer particles from falling off.
- As the polymer particles starch-based, cellulosic, or synthetic polymer-based particles can be used.
- fixing the front sheet 2 and the back sheet 3 For fixing the front sheet 2 and the back sheet 3, fixing the front and back sheets 2, 3 to the panels 5, 25, and fixing the conductive members 21, 22 to the leg circumference flap 13 Use a hot-melt adhesive, or heat-sealing means such as a heat seal or sonic seal.
- a hot-melt adhesive, or heat-sealing means such as a heat seal or sonic seal.
- the flap around the leg is folded inward in the width direction of the article 5 and inside the opening around the leg via the first and second folding curves.
- the flap around the leg located on the bottom side of the leg opening rises above the first panel, and the free side edges of the flap around the leg are positioned at the bottom of the opening around the leg to allow the article to be removed. Closed in the width direction and around the leg at the bottom of the leg opening than before the flap around the leg was folded
- the width of the crotch region at the bottom of the leg circumference opening is made equal to or smaller than the width of the wearer's crotch by folding the flap around the leg.
- the crotch area at the bottom of the opening around the leg fits in the wearer's crotch area, so there is no uncomfortable feeling with the worn article.
- the flaps around the legs do not bend in an irregular manner and the first panel does not have many irregular wrinkles, even if the inseam is tightened by the wearer's crotch.
- the excreta absorption function in the inseam area does not decrease, and the excrement does not leak from the inseam area.
- the flap around the leg which stands at the bottom of the leg opening, obstructs the excrement.
- a wall can be formed to prevent excretion from leaking from the bottom of the leg opening.
- the minimum separation between the free side edges of the leg-around flap located on the bottom side of the leg-around opening is almost the same as the minimum width between both side edges of the first panel located on the bottom side of the leg-around opening.
- the minimum width dimension of the first panel is set to fit in the wearer's crotch, so that the crotch area at the bottom of the leg circumference opening can be securely stored in the wearer's crotch. it can.
- the flap around the leg is folded at the second fold curve via the second fold line. It is easy to bend, and compared to the case where the second panel exists in the vicinity including the second fold curve, it is possible to prevent the flap from becoming bulky when the flap around the leg is folded.
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0307542-7A BR0307542B1 (pt) | 2002-01-31 | 2003-01-29 | artigo de vestimenta descartável do tipo calça. |
CA002474150A CA2474150C (en) | 2002-01-31 | 2003-01-29 | Pants-type disposable wearing article |
KR1020047011876A KR100575074B1 (ko) | 2002-01-31 | 2003-01-29 | 팬츠형의 일회용 착용 물품 |
AU2003239602A AU2003239602B2 (en) | 2002-01-31 | 2003-01-29 | Underpants-type disposable wearing article |
EP03734877A EP1473009A4 (en) | 2002-01-31 | 2003-01-29 | PORTABLE DISPOSABLE ACCORDING TO THE TYPE OF A POD |
US10/839,709 US7220251B2 (en) | 2002-01-31 | 2004-05-06 | Pants-type disposable wearing article |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002024374A JP4051208B2 (ja) | 2002-01-31 | 2002-01-31 | パンツ型の使い捨て着用物品 |
JP2002-24374 | 2002-01-31 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/839,709 Continuation US7220251B2 (en) | 2002-01-31 | 2004-05-06 | Pants-type disposable wearing article |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003063747A1 true WO2003063747A1 (fr) | 2003-08-07 |
Family
ID=27654482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/000853 WO2003063747A1 (fr) | 2002-01-31 | 2003-01-29 | Article vestimentaire jetable de type caleçon |
Country Status (11)
Country | Link |
---|---|
US (1) | US7220251B2 (ja) |
EP (1) | EP1473009A4 (ja) |
JP (1) | JP4051208B2 (ja) |
KR (1) | KR100575074B1 (ja) |
CN (1) | CN1296025C (ja) |
AU (1) | AU2003239602B2 (ja) |
BR (1) | BR0307542B1 (ja) |
CA (1) | CA2474150C (ja) |
MY (1) | MY130486A (ja) |
TW (1) | TW568777B (ja) |
WO (1) | WO2003063747A1 (ja) |
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US7192422B2 (en) * | 2003-06-23 | 2007-03-20 | Uni-Charm Corporation | Pull-on disposable wearing article |
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US10543129B2 (en) | 2015-05-29 | 2020-01-28 | The Procter & Gamble Company | Absorbent articles having channels and wetness indicator |
CN106535847B (zh) * | 2015-07-13 | 2018-05-18 | 株式会社光洋 | 一次性内裤及一次性内裤的制造方法 |
EP3167859B1 (en) | 2015-11-16 | 2020-05-06 | The Procter and Gamble Company | Absorbent cores having material free areas |
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EP3238676B1 (en) | 2016-04-29 | 2019-01-02 | The Procter and Gamble Company | Absorbent core with profiled distribution of absorbent material |
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-
2002
- 2002-01-31 JP JP2002024374A patent/JP4051208B2/ja not_active Expired - Fee Related
-
2003
- 2003-01-28 MY MYPI20030275A patent/MY130486A/en unknown
- 2003-01-28 TW TW092101847A patent/TW568777B/zh not_active IP Right Cessation
- 2003-01-29 CA CA002474150A patent/CA2474150C/en not_active Expired - Fee Related
- 2003-01-29 WO PCT/JP2003/000853 patent/WO2003063747A1/ja active Application Filing
- 2003-01-29 EP EP03734877A patent/EP1473009A4/en not_active Withdrawn
- 2003-01-29 CN CNB038041898A patent/CN1296025C/zh not_active Expired - Fee Related
- 2003-01-29 AU AU2003239602A patent/AU2003239602B2/en not_active Ceased
- 2003-01-29 BR BRPI0307542-7A patent/BR0307542B1/pt not_active IP Right Cessation
- 2003-01-29 KR KR1020047011876A patent/KR100575074B1/ko not_active IP Right Cessation
-
2004
- 2004-05-06 US US10/839,709 patent/US7220251B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
JP4051208B2 (ja) | 2008-02-20 |
BR0307542B1 (pt) | 2012-10-30 |
US7220251B2 (en) | 2007-05-22 |
AU2003239602B2 (en) | 2008-09-25 |
TW568777B (en) | 2004-01-01 |
EP1473009A4 (en) | 2008-01-30 |
CN1635862A (zh) | 2005-07-06 |
CN1296025C (zh) | 2007-01-24 |
KR20040079433A (ko) | 2004-09-14 |
US20050004548A1 (en) | 2005-01-06 |
BR0307542A (pt) | 2004-12-07 |
EP1473009A1 (en) | 2004-11-03 |
JP2003220091A (ja) | 2003-08-05 |
CA2474150C (en) | 2007-09-11 |
CA2474150A1 (en) | 2003-08-07 |
TW200302711A (en) | 2003-08-16 |
MY130486A (en) | 2007-06-29 |
KR100575074B1 (ko) | 2006-05-03 |
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