GB2258840B - Topsheet for use in a sanitary absorbent article and production method of the topsheet - Google Patents

Topsheet for use in a sanitary absorbent article and production method of the topsheet

Info

Publication number
GB2258840B
GB2258840B GB9217530A GB9217530A GB2258840B GB 2258840 B GB2258840 B GB 2258840B GB 9217530 A GB9217530 A GB 9217530A GB 9217530 A GB9217530 A GB 9217530A GB 2258840 B GB2258840 B GB 2258840B
Authority
GB
United Kingdom
Prior art keywords
topsheet
production method
absorbent article
sanitary absorbent
sanitary
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 - Fee Related
Application number
GB9217530A
Other versions
GB2258840A (en
GB9217530D0 (en
Inventor
Masamitsu Yamamoto
Masaki Murakami
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.)
Unicharm Corp
Original Assignee
Unicharm 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
Application filed by Unicharm Corp filed Critical Unicharm Corp
Publication of GB9217530D0 publication Critical patent/GB9217530D0/en
Publication of GB2258840A publication Critical patent/GB2258840A/en
Application granted granted Critical
Publication of GB2258840B publication Critical patent/GB2258840B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
    • B26F1/31—Perforating by non-mechanical means, e.g. by fluid jet by radiation
    • 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
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15731—Treating webs, e.g. for giving them a fibrelike appearance, e.g. by embossing
    • 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
    • A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
    • A61F13/5121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterised by the vertical shape of the apertures, e.g. three dimensional apertures, e.g. macro-apertures
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
    • A61F2013/15926—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for vacuum forming
    • 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
    • A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
    • A61F2013/5127—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterized by the dimension of apertures
    • 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
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F2013/51338—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having improved touch or feeling, e.g. smooth film
    • 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
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F2013/51355—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability for improving fluid flow
    • 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
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F2013/51355—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability for improving fluid flow
    • A61F2013/51372—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability for improving fluid flow with valve or valve-like upper layer; Tapered capillary structures

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Vascular Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Forests & Forestry (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
GB9217530A 1991-08-21 1992-08-18 Topsheet for use in a sanitary absorbent article and production method of the topsheet Expired - Fee Related GB2258840B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3234124A JP2928665B2 (en) 1991-08-21 1991-08-21 Surface sheet for absorbent article and method for producing the same

Publications (3)

Publication Number Publication Date
GB9217530D0 GB9217530D0 (en) 1992-09-30
GB2258840A GB2258840A (en) 1993-02-24
GB2258840B true GB2258840B (en) 1995-04-26

Family

ID=16966014

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9217530A Expired - Fee Related GB2258840B (en) 1991-08-21 1992-08-18 Topsheet for use in a sanitary absorbent article and production method of the topsheet

Country Status (8)

Country Link
EP (1) EP0532937B1 (en)
JP (1) JP2928665B2 (en)
KR (1) KR100221119B1 (en)
AU (1) AU666656B2 (en)
CA (1) CA2075693C (en)
DE (1) DE59207456D1 (en)
GB (1) GB2258840B (en)
PH (1) PH30965A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5437653A (en) 1993-05-12 1995-08-01 Kimberly-Clark Corporation Absorbent article having two coapertured layers and a method of making the article
US5454800A (en) 1993-05-12 1995-10-03 Kimberly-Clark Corporation Absorbent article
US5810798A (en) 1995-06-30 1998-09-22 Kimberly-Clark Worldwide, Inc. Absorbent article having a thin, efficient absorbent core
US6206865B1 (en) 1995-11-13 2001-03-27 Kimberly-Clark Worldwide, Inc. Absorbent article having a cellulosic transfer layer
US9775750B2 (en) 2011-12-09 2017-10-03 Sca Hygiene Products Ab Signal layer for an absorbent article

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69230408T2 (en) * 1992-02-18 2000-06-08 Mcneil Ppc Inc TEXTILE-LIKE, PERFORATED PLASTIC FILM
TW329666U (en) 1993-05-12 1998-04-11 Kimberly Clark Co Absorbent article having enhanced wicking capability
US5342338A (en) * 1993-06-11 1994-08-30 The Procter & Gamble Company Disposable absorbent article for low-viscosity fecal material
AU697520B2 (en) 1993-08-17 1998-10-08 Procter & Gamble Company, The Disposable absorbent article having capacity to store low-viscosity fecal material
CA2168207C (en) * 1993-08-25 2000-02-29 John Joseph Curro Absorbent article having composite elasticized member
JP3091365B2 (en) * 1994-07-01 2000-09-25 ユニ・チャーム株式会社 Method for producing body fluid absorbent article
FR2722399B1 (en) * 1994-07-15 1996-10-11 Guial Societe Anonyme PERFORATED THERMOPLASTIC SHEET, PARTICULARLY FOR HYGIENE ARTICLES, OF WHICH THE PERFORATION CRATERS HAVE AN INTERNAL WALL HAVING CONVERGENT PORTIONS AND DIVERSE PORTIONS
FR2722400B1 (en) * 1994-07-15 1996-10-11 Guial Societe Anonyme PERFORATED THERMOPLASTIC SHEET, PARTICULARLY FOR A HYGIENE SHEET, FIBROUS COMPOSITE FLAT MATERIAL COMPRISING SUCH A SHEET AND MANUFACTURING METHOD
EP0749737B1 (en) * 1995-06-19 1999-11-24 The Procter & Gamble Company Sanitary articles with dual layer topsheet having a selected distribution of large apertures
DE69524396T2 (en) * 1995-06-19 2002-07-11 Procter & Gamble Double perforated top layers for absorbent articles
US5648142A (en) * 1995-10-19 1997-07-15 Eastman Chemical Company Perforated films having channels with cutout portions capable of spontaneous fluid inversion
JP4801421B2 (en) 2005-11-07 2011-10-26 ユニ・チャーム株式会社 Disposable diapers

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2021479A (en) * 1978-05-24 1979-12-05 Ethyl Corp Method and apparatus for producing perforated films
GB2154173A (en) * 1984-02-16 1985-09-04 Procter & Gamble Deforming material by means of a liquid stream
GB2175845A (en) * 1985-05-31 1986-12-10 Procter & Gamble Microapertured polymeric web exhibiting soft & silky tactile impression
EP0209713A2 (en) * 1985-06-14 1987-01-28 Unilever N.V. Method of making laminated sheets
GB2190040A (en) * 1986-05-07 1987-11-11 Fameccanica Spa Method and apparatus for the production of perforated films
EP0302611A1 (en) * 1987-07-15 1989-02-08 BP Chemicals PlasTec GmbH Liquid permeable thermoplastic films

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR67004B (en) * 1979-03-05 1981-05-18 Procter & Gamble
US4637819A (en) * 1985-05-31 1987-01-20 The Procter & Gamble Company Macroscopically expanded three-dimensional polymeric web for transmitting both dynamically deposited and statically contacted fluids from one surface to the other

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2021479A (en) * 1978-05-24 1979-12-05 Ethyl Corp Method and apparatus for producing perforated films
GB2154173A (en) * 1984-02-16 1985-09-04 Procter & Gamble Deforming material by means of a liquid stream
GB2175845A (en) * 1985-05-31 1986-12-10 Procter & Gamble Microapertured polymeric web exhibiting soft & silky tactile impression
EP0209713A2 (en) * 1985-06-14 1987-01-28 Unilever N.V. Method of making laminated sheets
GB2190040A (en) * 1986-05-07 1987-11-11 Fameccanica Spa Method and apparatus for the production of perforated films
EP0302611A1 (en) * 1987-07-15 1989-02-08 BP Chemicals PlasTec GmbH Liquid permeable thermoplastic films

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5437653A (en) 1993-05-12 1995-08-01 Kimberly-Clark Corporation Absorbent article having two coapertured layers and a method of making the article
US5454800A (en) 1993-05-12 1995-10-03 Kimberly-Clark Corporation Absorbent article
US5810798A (en) 1995-06-30 1998-09-22 Kimberly-Clark Worldwide, Inc. Absorbent article having a thin, efficient absorbent core
US6206865B1 (en) 1995-11-13 2001-03-27 Kimberly-Clark Worldwide, Inc. Absorbent article having a cellulosic transfer layer
US9775750B2 (en) 2011-12-09 2017-10-03 Sca Hygiene Products Ab Signal layer for an absorbent article

Also Published As

Publication number Publication date
CA2075693A1 (en) 1993-02-22
CA2075693C (en) 1997-09-23
AU2095392A (en) 1993-02-25
GB2258840A (en) 1993-02-24
EP0532937B1 (en) 1996-10-30
GB9217530D0 (en) 1992-09-30
KR100221119B1 (en) 1999-09-15
JPH0549659A (en) 1993-03-02
AU666656B2 (en) 1996-02-22
EP0532937A1 (en) 1993-03-24
JP2928665B2 (en) 1999-08-03
PH30965A (en) 1997-12-23
KR930003888A (en) 1993-03-22
DE59207456D1 (en) 1996-12-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070818