CA1189252A - Absorbent article - Google Patents

Absorbent article

Info

Publication number
CA1189252A
CA1189252A CA000422584A CA422584A CA1189252A CA 1189252 A CA1189252 A CA 1189252A CA 000422584 A CA000422584 A CA 000422584A CA 422584 A CA422584 A CA 422584A CA 1189252 A CA1189252 A CA 1189252A
Authority
CA
Canada
Prior art keywords
film
weight
absorbent article
liquid
article 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.)
Expired
Application number
CA000422584A
Other languages
English (en)
French (fr)
Inventor
Kazunori Nishizawa
Hiroshi Mizutani
Masatake Dohzono
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.)
Kao Corp
Original Assignee
Kao Corp
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
Priority claimed from JP57032830A external-priority patent/JPS58149303A/ja
Priority claimed from JP311583U external-priority patent/JPS59108615U/ja
Application filed by Kao Corp filed Critical Kao Corp
Application granted granted Critical
Publication of CA1189252A publication Critical patent/CA1189252A/en
Expired 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
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/225—Mixtures of macromolecular compounds
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • 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
    • A61F2013/51042—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 with hydrophobic and hydrophilic fibres
    • 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
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • A61F2013/51411—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours
    • 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
    • A61F13/53—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 absorbing medium
    • A61F2013/530131—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 absorbing medium being made in fibre but being not pulp
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F2013/53445—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 absorbing medium having an inhomogeneous composition through the thickness of the pad from several sheets
CA000422584A 1982-03-02 1983-03-01 Absorbent article Expired CA1189252A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP57032830A JPS58149303A (ja) 1982-03-02 1982-03-02 つかいすておむつ
JP32830/82 1982-03-02
JP3115/83 1983-01-13
JP311583U JPS59108615U (ja) 1983-01-13 1983-01-13 生理用ナプキン

Publications (1)

Publication Number Publication Date
CA1189252A true CA1189252A (en) 1985-06-25

Family

ID=26336625

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000422584A Expired CA1189252A (en) 1982-03-02 1983-03-01 Absorbent article

Country Status (9)

Country Link
CA (1) CA1189252A (es)
DE (1) DE3306843A1 (es)
ES (1) ES520213A0 (es)
FR (1) FR2522497A1 (es)
GB (1) GB2115702B (es)
HK (1) HK1687A (es)
MX (1) MX158943A (es)
MY (1) MY8700321A (es)
SG (1) SG72086G (es)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509915A (en) 1991-09-11 1996-04-23 Kimberly-Clark Corporation Thin absorbent article having rapid uptake of liquid
US5843056A (en) 1996-06-21 1998-12-01 Kimberly-Clark Worldwide, Inc. Absorbent article having a composite breathable backsheet
US5879341A (en) 1996-03-29 1999-03-09 Kimberly-Clark Worldwide, Inc. Absorbent article having a breathability gradient

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ209140A (en) * 1983-08-15 1989-04-26 Personal Products Co Absorbent product:batt has water insoluble film on one surface
AU551948B2 (en) * 1983-12-16 1986-05-15 Mitsui Toatsu Chemicals Inc. Producing porous film
DE3404939A1 (de) * 1984-02-11 1985-09-05 M & W Verpackungen Mildenberger & Willing GmbH & Co KG, 4432 Gronau Kunststoff-folie zur herstellung fluessigkeitsaufnehmender, am koerper zu tragender hygieneartikel
GB2165755B (en) * 1984-10-19 1988-10-26 Vernon Carus Ltd Incontinence pads
DE3669996D1 (de) * 1985-01-30 1990-05-10 Kao Corp Absorptionsartikel.
GB8505805D0 (en) * 1985-03-06 1985-04-11 Exxon Chemical Patents Inc Disposable liquid absorbent products
US4698372A (en) * 1985-09-09 1987-10-06 E. I. Du Pont De Nemours And Company Microporous polymeric films and process for their manufacture
US4609584A (en) * 1985-09-19 1986-09-02 Minnesota Mining And Manufacturing Company Absorptive devices
JPS62151429A (ja) * 1985-12-26 1987-07-06 Nippon Petrochem Co Ltd 多孔質フイルムまたはシ−トの製法
US4829096A (en) * 1986-07-16 1989-05-09 Sumitomo Chemical Company, Limited Breathable film and process for production of the same
US4713069A (en) * 1986-10-31 1987-12-15 Kimberly-Clark Corporation Baffle having zoned water vapor permeability
US4758239A (en) * 1986-10-31 1988-07-19 Kimberly-Clark Corporation Breathable barrier
US4713068A (en) * 1986-10-31 1987-12-15 Kimberly-Clark Corporation Breathable clothlike barrier having controlled structure defensive composite
US4929303A (en) * 1987-03-11 1990-05-29 Exxon Chemical Patents Inc. Composite breathable housewrap films
US5055338A (en) * 1987-03-11 1991-10-08 Exxon Chemical Patents Inc. Metallized breathable films prepared from melt embossed polyolefin/filler precursor films
US4824718A (en) * 1987-12-04 1989-04-25 Minnesota Mining And Manufacturing Company Porous film
US4818600A (en) * 1987-12-09 1989-04-04 Kimberly-Clark Corporation Latex coated breathable barrier
CA2026326A1 (en) * 1989-10-04 1991-04-05 James Arthur Davis Disposable diaper having a humidity transfer region, breathable zone panel and separation layer
US5037410A (en) * 1990-08-08 1991-08-06 Zimmerman Robert R Disposable articles comprising compostible components
BE1004565A5 (fr) * 1990-08-31 1992-12-15 Baxter Int Feuille du type papier.
GB9113861D0 (en) * 1991-06-26 1991-08-14 Lock Peter M Absorptive fibrous sheets and processes for their manufacture
JPH05200063A (ja) * 1992-01-28 1993-08-10 Uni Charm Corp 体液処理用品の通気不透液性裏面シート、およびその製造方法
CA2097630A1 (en) * 1992-12-29 1994-06-30 Ann Louise Mccormack Stretch-pillowed, bulked laminate
CA2116081C (en) * 1993-12-17 2005-07-26 Ann Louise Mccormack Breathable, cloth-like film/nonwoven composite
SE510466C2 (sv) * 1994-05-04 1999-05-25 Sca Hygiene Prod Ab Ett förfarande för framställning av en absorberande struktur och ett absorberande sårförband innehållande en absorberande struktur framställd enligt förfarandet
CA2148392A1 (en) * 1994-06-06 1995-12-07 Ann Louise Mccormack Stretch-thinned film and nonwoven laminate
USH1585H (en) * 1994-06-30 1996-08-06 Ahr; Nicholas A. Absorbent article having a braided wicking structure
US5762643A (en) * 1994-11-03 1998-06-09 Tredegar Industries, Inc. Vacuum assisted application of thin vapor permeable, liquid impermeable coatings on apertured substrates and articles produced therefrom
US5681301A (en) * 1996-01-24 1997-10-28 Johnson & Johnson Worldwide Absorbent Products Backing web in an absorbent article
DE19616224C1 (de) * 1996-04-12 1997-11-20 Daramic Inc Verwendung von mikroporösem Polyolefin zur Absorption von Schweiß und anderen Körperausdünstungen
US6258308B1 (en) 1996-07-31 2001-07-10 Exxon Chemical Patents Inc. Process for adjusting WVTR and other properties of a polyolefin film
US6776947B2 (en) 1996-07-31 2004-08-17 Exxonmobil Chemical Company Process of adjusting WVTR of polyolefin film
DE19716253A1 (de) 1997-04-18 1998-10-22 Hartmann Paul Ag Atmungsaktive Windel
US6277104B1 (en) 1997-08-25 2001-08-21 Mcneil-Ppc, Inc. Air permeable, liquid impermeable barrier structures and products made therefrom
US6106956A (en) * 1998-01-26 2000-08-22 Exxon Chemical Patents, Inc. Breathable extruded polymer films
CA2346455A1 (en) 1998-10-16 2000-04-27 John H. Mackay Process for producing polyolefin microporous breathable film
CO5111023A1 (es) 1998-12-31 2001-12-26 Kimberly Clark Co Composicion de articulo absorbente y metodo para usarla para secuestrar irritantes de la piel
US6461457B1 (en) 1999-06-30 2002-10-08 Kimberly-Clark Worldwide, Inc. Dimensionally stable, breathable, stretch-thinned, elastic films
JP2001233982A (ja) * 1999-12-14 2001-08-28 Tokuyama Corp 多孔質ポリオレフィンフィルム及びその製造方法
DE10207721A1 (de) * 2002-02-20 2003-08-28 Hartmann Paul Ag Scheiben-bzw. pad-förmiger Faserverbundartikel
KR20050059072A (ko) 2002-08-30 2005-06-17 알자 코포레이션 엠보싱 및 기록가능한 다층 지지 구조물
US7872168B2 (en) 2003-10-31 2011-01-18 Kimberely-Clark Worldwide, Inc. Stretchable absorbent article

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881489A (en) * 1973-08-20 1975-05-06 Procter & Gamble Breathable, liquid inpervious backsheet for absorptive devices
US4059114A (en) * 1976-05-12 1977-11-22 Minnesota Mining And Manufacturing Company Garment shield
US4308303A (en) * 1978-11-02 1981-12-29 Johnson & Johnson Flocked, foam-coated, fibrous-reinforced, water vapor permeable, bacterial barrier
JPS608224B2 (ja) * 1980-05-29 1985-03-01 花王株式会社 多孔質シ−ト

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509915A (en) 1991-09-11 1996-04-23 Kimberly-Clark Corporation Thin absorbent article having rapid uptake of liquid
US5879341A (en) 1996-03-29 1999-03-09 Kimberly-Clark Worldwide, Inc. Absorbent article having a breathability gradient
US6659990B1 (en) 1996-03-29 2003-12-09 Kimberly-Clark Worldwide, Inc. Absorbent article having a breathability gradient
US5843056A (en) 1996-06-21 1998-12-01 Kimberly-Clark Worldwide, Inc. Absorbent article having a composite breathable backsheet

Also Published As

Publication number Publication date
FR2522497A1 (fr) 1983-09-09
DE3306843A1 (de) 1983-09-15
HK1687A (en) 1987-01-09
GB2115702A (en) 1983-09-14
GB2115702B (en) 1985-10-16
ES8506058A1 (es) 1985-06-16
GB8305424D0 (en) 1983-03-30
MX158943A (es) 1989-03-31
FR2522497B1 (es) 1985-04-12
SG72086G (en) 1987-03-27
ES520213A0 (es) 1985-06-16
MY8700321A (en) 1987-12-31

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