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AU6548398A - Absorbent article with extensible flaps comprising microporous film - Google Patents

Absorbent article with extensible flaps comprising microporous film

Info

Publication number
AU6548398A
AU6548398A AU65483/98A AU6548398A AU6548398A AU 6548398 A AU6548398 A AU 6548398A AU 65483/98 A AU65483/98 A AU 65483/98A AU 6548398 A AU6548398 A AU 6548398A AU 6548398 A AU6548398 A AU 6548398A
Authority
AU
Australia
Prior art keywords
microporous film
composite sheet
absorbent article
flaps
strain
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
Application number
AU65483/98A
Inventor
John Glasgow Burns Jr.
Chiun-Hsien Chang
Masashi Kishida
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of AU6548398A publication Critical patent/AU6548398A/en
Abandoned 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 of the pads
    • 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
    • A61F13/51464—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being stretchable or elastomeric
    • A61F13/51466—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being stretchable or elastomeric providing stretchability without the use of elastic material
    • 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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/476—Sanitary towels, incontinence pads or napkins characterised by encircling the crotch region of the undergarment, e.g. with flaps
    • 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 of the pads
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Laminated Bodies (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

An absorbent article with flaps having extensibility is disclosed. The absorbent article comprises a topsheet, a backsheet and an absorbent core therebetween. The backsheet comprises a breathable microporous film. The breathable microporous film is made by stretching a mixture of a thermoplastic resin and inorganic fillers at least in one direction. The flaps comprise a composite sheet including a flap topsheet and an extension of the breathable microporous film. At least a part of the flaps is imparted a predetermined extensibility by being subjected to a plastic strain to obtain the predetermined extensibility such that Z number specified by equation (I) is 3.0 or above, wherein MS: average composite sheet material strain at break; AS: average applied strain to the composite sheet to obtain the predetermined extensibility; N: neck down prevention coefficient, sigma MS: standard deviation of composite sheet material strain at break; sigma AS: standard deviation of applied strain.
AU65483/98A 1998-03-10 1998-03-10 Absorbent article with extensible flaps comprising microporous film Abandoned AU6548398A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1998/004673 WO1999045874A1 (en) 1998-03-10 1998-03-10 Absorbent article with extensible flaps comprising microporous film

Publications (1)

Publication Number Publication Date
AU6548398A true AU6548398A (en) 1999-09-27

Family

ID=22266556

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65483/98A Abandoned AU6548398A (en) 1998-03-10 1998-03-10 Absorbent article with extensible flaps comprising microporous film

Country Status (4)

Country Link
AT (1) ATE235206T1 (en)
AU (1) AU6548398A (en)
BR (1) BR9815687A (en)
WO (1) WO1999045874A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153751A (en) 1975-03-31 1979-05-08 Biax-Fiberfilm Corporation Process for stretching an impregnated film of material and the microporous product produced thereby
US4116892A (en) 1975-03-31 1978-09-26 Biax-Fiberfilm Corporation Process for stretching incremental portions of an orientable thermoplastic substrate and product thereof
US4923650A (en) 1988-07-27 1990-05-08 Hercules Incorporated Breathable microporous film and methods for making it
WO1995003022A2 (en) * 1993-07-22 1995-02-02 The Procter & Gamble Company Absorbent articles having overlapping undergarment covering components that automatically wrap the sides of undergarments
ATE175100T1 (en) * 1993-09-20 1999-01-15 Procter & Gamble ABSORBENT ARTICLES WITH LINEN PROTECTION ELEMENTS WITH STRUCTURED, STRETCHY REGIONS
EP0710470B1 (en) 1994-10-20 2000-03-22 The Procter & Gamble Company High speed mechanical straining process to provide extensibility to laminates for use in disposable absorbent articles
IL123964A (en) 1995-10-06 2002-08-14 Procter & Gamble Absorbent article having flaps with a deformed hinge and zones of extensibility

Also Published As

Publication number Publication date
BR9815687A (en) 2000-12-12
ATE235206T1 (en) 2003-04-15
WO1999045874A1 (en) 1999-09-16

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