CA2235723C - Nonwoven fabric of multi-length, multi-denier fibers and absorbent article formed therefrom - Google Patents

Nonwoven fabric of multi-length, multi-denier fibers and absorbent article formed therefrom Download PDF

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Publication number
CA2235723C
CA2235723C CA002235723A CA2235723A CA2235723C CA 2235723 C CA2235723 C CA 2235723C CA 002235723 A CA002235723 A CA 002235723A CA 2235723 A CA2235723 A CA 2235723A CA 2235723 C CA2235723 C CA 2235723C
Authority
CA
Canada
Prior art keywords
fibers
absorbent article
article according
length
nonwoven fabric
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.)
Expired - Lifetime
Application number
CA002235723A
Other languages
French (fr)
Other versions
CA2235723A1 (en
Inventor
Jose Antonio Pereira
Eduardo Cesar Andreo Aledo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson and Johnson Industrial Ltda
Original Assignee
Johnson and Johnson Industrial Ltda
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4066981&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2235723(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Johnson and Johnson Industrial Ltda filed Critical Johnson and Johnson Industrial Ltda
Publication of CA2235723A1 publication Critical patent/CA2235723A1/en
Application granted granted Critical
Publication of CA2235723C publication Critical patent/CA2235723C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • 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
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/544—Olefin series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • 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
    • A61F2013/51002—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 with special fibres
    • A61F2013/51009—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 with special fibres characterized by the shape of the fibres
    • A61F2013/51011—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 with special fibres characterized by the shape of the fibres characterized by the count of the fibres, e.g. denier or tex
    • 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
    • A61F2013/51002—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 with special fibres
    • A61F2013/51038—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 with special fibres being a mixture of fibres
    • A61F2013/51052—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 with special fibres being a mixture of fibres having different diameters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/647—Including a foamed layer or component
    • Y10T442/652—Nonwoven fabric is coated, impregnated, or autogenously bonded
    • Y10T442/653—Including particulate material other than fiber

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The present invention is directed to a nonwoven fabric which is formed from a network of interconnected multi-length, multi-denier thermoplastic fibers. The nonwoven fabrics of the present invention provide enhanced comfort and performance not found in conventional nonwoven fabrics and have been found to be particularly useful as cover materials in disposable sanitary absorbent articles.

Claims (15)

1. An absorbent article comprising a liquid permeable body-facing cover layer, a liquid impermeable garment-facing barrier layer and an absorbent core between the cover layer and the barrier layer, the cover layer comprising a nonwoven fabric formed from a network of interconnected synthetic staple fibers, the fibers comprising a mixture of a first set of fibers and a second set of fibers, each set of fibers having an average length of from 2 mm to 100 mm, wherein the average length of the first set of fibers varies from the average length of the second set of fibers by at least 2 mm.
2. The absorbent article according to claim 1, wherein the fibers further comprise at least two different denier.
3. The absorbent article according to claim 1, wherein the fibers have lengths between 10 mm and 80 mm and the length of the first set of fibers is greater than the length of the second set of fibers by at least 4 mm.
4. The absorbent article according to claim 1, wherein the fibers have lengths between 15 mm and 40 mm and the length of the first set of fibers is greater than the length of the second set of fibers by at least 4 mm.
5. The absorbent article according to claim 1, wherein the nonwoven fabric has a basis weight between 25 g/m2 and 35 g/m2.
6. The absorbent article according to claim 1, wherein the nonwoven fabric has an apparent thickness between 0.15 mm and 0.40 mm.
7. The absorbent article according to claim 6, wherein the nonwoven fabric has a basis weight of 35 g/m2.
8. The absorbent article according to claim 1, wherein the absorbent article is selected from the group consisting of sanitary napkins, panty liners, diapers and adult incontinence devices.
9. The absorbent article according to claim 1, wherein the mixture of fibers comprises between 2 and sets of fibers and each set of fibers has a different length.
10. The absorbent article according to claim 1, wherein the mixture of fibers comprises between 2 and 6 sets of fibers and each set of fibers has a different length.
11. The absorbent article according to claim 1, wherein the fibers in the first set have a first denier and the fibers in the second set have a second denier and there is a difference of at least one denier between the fibers in first set and the fibers in the second set.
12. The absorbent article according to claim 1, wherein the fabric has an apparent thickness between 0.15 mm and 0.40 mm.
13. The absorbent article according to claim 1, wherein the fibers include a pigment material.
14. The absorbent article according to claim 13, wherein the pigment material is titanium dioxide in an amount from about 1% to 6% by weight.
15. The absorbent article according to claim 13, wherein the titanium dioxide is in an amount from about 20 to 3.5% by weight.
CA002235723A 1997-04-30 1998-04-23 Nonwoven fabric of multi-length, multi-denier fibers and absorbent article formed therefrom Expired - Lifetime CA2235723C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR9701974 1997-04-30
BRPI9701974-7 1997-04-30

Publications (2)

Publication Number Publication Date
CA2235723A1 CA2235723A1 (en) 1998-10-30
CA2235723C true CA2235723C (en) 2007-02-13

Family

ID=4066981

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002235723A Expired - Lifetime CA2235723C (en) 1997-04-30 1998-04-23 Nonwoven fabric of multi-length, multi-denier fibers and absorbent article formed therefrom

Country Status (14)

Country Link
US (1) US6001751A (en)
EP (1) EP0875615B2 (en)
JP (1) JP4447062B2 (en)
AR (1) AR012625A1 (en)
AU (1) AU750641B2 (en)
CA (1) CA2235723C (en)
CO (1) CO5050261A1 (en)
CZ (1) CZ132198A3 (en)
DE (1) DE69806200T3 (en)
HU (1) HU223588B1 (en)
MY (1) MY120039A (en)
SG (1) SG70633A1 (en)
TW (1) TW584685B (en)
ZA (1) ZA983621B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69925846T2 (en) * 1998-09-14 2006-05-11 Cerex Advanced Fabrics, Inc., Pensacola VLIESSTOFFE
US20060252332A9 (en) * 1998-09-14 2006-11-09 Ortega Albert E Nonwoven fabrics with two or more filament cross sections
IT1316770B1 (en) * 2000-02-18 2003-05-12 Simone Masetti NON-WOVEN FABRIC MATERIAL EQUIPPED WITH ELECTROSTATIC CAPACITY AND FOR CLEANING DRY SURFACES REALIZED WITH THIS
US6679869B1 (en) 2000-08-16 2004-01-20 Kimberly-Clark Worldwide, Inc. Absorbent article having an elastic outer cover
US20030003831A1 (en) * 2001-06-29 2003-01-02 Childs Stephen Lee Cleaning sheets comprising multi-denier fibers
US20040216828A1 (en) * 2001-08-17 2004-11-04 Ortega Albert E. Nonwoven fabrics with two or more filament cross sections
US6781027B2 (en) * 2001-12-14 2004-08-24 Kimberly-Clark Worldwide, Inc. Mixed denier fluid management layers
US6740792B2 (en) * 2001-12-18 2004-05-25 Kimberly-Clark Worldwide, Inc. Cover material with improved fluid handling properties
US20060240223A1 (en) * 2005-04-22 2006-10-26 Tuman Scott J Cleaning sheet and method of making
JP5094173B2 (en) * 2007-03-20 2012-12-12 花王株式会社 Absorbent article and manufacturing method thereof
PL2431512T3 (en) * 2010-09-21 2013-11-29 Procter & Gamble Wipes comprising a fibrous structure and an opacifying agent
US9394637B2 (en) 2012-12-13 2016-07-19 Jacob Holm & Sons Ag Method for production of a hydroentangled airlaid web and products obtained therefrom
DK179815B1 (en) * 2017-10-06 2019-07-04 Jacob Holm & Sons Ag Consumer product component

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US3589956A (en) † 1966-09-29 1971-06-29 Du Pont Process for making a thermally self-bonded low density nonwoven product
US3837343A (en) † 1971-10-07 1974-09-24 Johnson & Johnson Disposable diaper, fabric useful therein, and method of manufacture
US4555430A (en) † 1984-08-16 1985-11-26 Chicopee Entangled nonwoven fabric made of two fibers having different lengths in which the shorter fiber is a conjugate fiber in which an exposed component thereof has a lower melting temperature than the longer fiber and method of making same
US5403444A (en) † 1990-03-05 1995-04-04 International Paper Company Printable, high-strength, tear-resistant nonwoven material and related method of manufacture
US5133835A (en) † 1990-03-05 1992-07-28 International Paper Company Printable, high-strength, tear-resistant nonwoven material and related method of manufacture
JP2598162B2 (en) * 1990-10-12 1997-04-09 帝人株式会社 High elastic nonwoven
US5716349A (en) * 1991-07-23 1998-02-10 The Procter & Gamble Company Absorbent article having longitudinal side margins with tucks
ZA92308B (en) † 1991-09-11 1992-10-28 Kimberly Clark Co Thin absorbent article having rapid uptake of liquid
US5271780A (en) † 1991-12-30 1993-12-21 Kem-Wove, Incorporated Adsorbent textile product and process
ES2131556T3 (en) * 1992-01-13 1999-08-01 Hercules Inc THERMALLY BINDING FIBER FOR HIGH STRENGTH NON-WOVEN FABRICS.
JP3481238B2 (en) * 1992-04-02 2003-12-22 ザ、プロクター、エンド、ギャンブル、カンパニー Absorbent with nonwoven topsheet having liquid impermeable area
JPH06128853A (en) * 1992-10-21 1994-05-10 Kuraray Co Ltd Nonwoven fabric for sanitary material
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US5817394A (en) * 1993-11-08 1998-10-06 Kimberly-Clark Corporation Fibrous laminated web and method and apparatus for making the same and absorbent articles incorporating the same
US5486166A (en) * 1994-03-04 1996-01-23 Kimberly-Clark Corporation Fibrous nonwoven web surge layer for personal care absorbent articles and the like
JP3065883B2 (en) * 1994-04-15 2000-07-17 花王株式会社 Nonwoven fabric, method for producing the same, and absorbent article
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JPH0913257A (en) * 1995-06-29 1997-01-14 Teijin Ltd Fiber structure having dry touch feeling

Also Published As

Publication number Publication date
EP0875615B1 (en) 2002-06-26
DE69806200T2 (en) 2002-11-21
DE69806200T3 (en) 2006-07-13
SG70633A1 (en) 2000-02-22
AU750641B2 (en) 2002-07-25
MY120039A (en) 2005-08-30
CO5050261A1 (en) 2001-06-27
HU223588B1 (en) 2004-09-28
HU9801011D0 (en) 1998-06-29
AR012625A1 (en) 2000-11-08
ZA983621B (en) 1999-10-29
DE69806200D1 (en) 2002-08-01
JP4447062B2 (en) 2010-04-07
HUP9801011A3 (en) 2000-06-28
CZ132198A3 (en) 1998-11-11
JPH1181115A (en) 1999-03-26
TW584685B (en) 2004-04-21
US6001751A (en) 1999-12-14
AU6366698A (en) 1998-11-05
EP0875615A1 (en) 1998-11-04
CA2235723A1 (en) 1998-10-30
EP0875615B2 (en) 2005-11-16
HUP9801011A2 (en) 2000-04-28

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Effective date: 20180423