CA2273854A1 - Absorbent articles having reduced outer cover dampness - Google Patents

Absorbent articles having reduced outer cover dampness Download PDF

Info

Publication number
CA2273854A1
CA2273854A1 CA002273854A CA2273854A CA2273854A1 CA 2273854 A1 CA2273854 A1 CA 2273854A1 CA 002273854 A CA002273854 A CA 002273854A CA 2273854 A CA2273854 A CA 2273854A CA 2273854 A1 CA2273854 A1 CA 2273854A1
Authority
CA
Canada
Prior art keywords
outer cover
absorbent articles
reduced outer
dampness
grams
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.)
Granted
Application number
CA002273854A
Other languages
French (fr)
Other versions
CA2273854C (en
Inventor
David Craige Strack
Ann Louise Mccormack
Timothy Ray Martin
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.)
Kimberly Clark Worldwide Inc
Original Assignee
Kimberly-Clark Worldwide, Inc.
David Craige Strack
Ann Louise Mccormack
Timothy Ray Martin
Kimberly-Clark Corporation
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=26708623&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2273854(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kimberly-Clark Worldwide, Inc., David Craige Strack, Ann Louise Mccormack, Timothy Ray Martin, Kimberly-Clark Corporation filed Critical Kimberly-Clark Worldwide, Inc.
Publication of CA2273854A1 publication Critical patent/CA2273854A1/en
Application granted granted Critical
Publication of CA2273854C publication Critical patent/CA2273854C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • A61F13/51—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
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F13/51458—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
    • A61F13/51462—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable being defined by a value or parameter
    • 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
    • A61F13/51478—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers
    • A61F13/5148—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers having an impervious inner layer and a cloth-like outer layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2555/00—Personal care
    • B32B2555/02—Diapers or napkins

Abstract

Absorbent articles having reduced outer cover dampness include a fibrous barrier positioned between an absorbent core and a breathable liquid impervious outer cover. The barrier layer may comprise one or more layers of meltblown fibers having a thickness of at least 0.03 cm and a hydrohead value of at least 18 mbar wherein the WVTR of the absorbent article exceeds about 1500 grams/square meter 24 hours when dry and yet is less than 15,000 grams/square meter 24 hours when wet.
CA002273854A 1996-12-20 1997-12-19 Absorbent articles having reduced outer cover dampness Expired - Fee Related CA2273854C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US3258096P 1996-12-20 1996-12-20
US60/032,580 1996-12-20
US08/994,530 US6369292B1 (en) 1996-12-20 1997-12-19 Absorbent articles having reduced outer cover dampness
US08/994,530 1997-12-19
PCT/US1997/023809 WO1998027920A1 (en) 1996-12-20 1997-12-19 Absorbent articles having reduced outer cover dampness

Publications (2)

Publication Number Publication Date
CA2273854A1 true CA2273854A1 (en) 1998-07-02
CA2273854C CA2273854C (en) 2005-08-16

Family

ID=26708623

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002273854A Expired - Fee Related CA2273854C (en) 1996-12-20 1997-12-19 Absorbent articles having reduced outer cover dampness

Country Status (12)

Country Link
US (1) US6369292B1 (en)
EP (1) EP0957873B1 (en)
KR (1) KR100499299B1 (en)
CN (1) CN1321623C (en)
AU (1) AU737293B2 (en)
BR (1) BR9714991A (en)
CA (1) CA2273854C (en)
DE (1) DE69719217T2 (en)
ID (1) ID22485A (en)
PL (1) PL186958B1 (en)
TR (1) TR199901419T2 (en)
WO (1) WO1998027920A1 (en)

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Also Published As

Publication number Publication date
KR20000069604A (en) 2000-11-25
BR9714991A (en) 2001-12-11
DE69719217T2 (en) 2003-12-04
EP0957873A1 (en) 1999-11-24
KR100499299B1 (en) 2005-07-04
DE69719217D1 (en) 2003-03-27
CN1321623C (en) 2007-06-20
AU5717498A (en) 1998-07-17
CN1247464A (en) 2000-03-15
US6369292B1 (en) 2002-04-09
PL186958B1 (en) 2004-04-30
EP0957873B1 (en) 2003-02-19
ID22485A (en) 1999-10-21
WO1998027920A1 (en) 1998-07-02
AU737293B2 (en) 2001-08-16
TR199901419T2 (en) 1999-08-23
CA2273854C (en) 2005-08-16
PL334129A1 (en) 2000-02-14

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