GB2014508A - Liquid-permeable film - Google Patents

Liquid-permeable film

Info

Publication number
GB2014508A
GB2014508A GB7905364A GB7905364A GB2014508A GB 2014508 A GB2014508 A GB 2014508A GB 7905364 A GB7905364 A GB 7905364A GB 7905364 A GB7905364 A GB 7905364A GB 2014508 A GB2014508 A GB 2014508A
Authority
GB
United Kingdom
Prior art keywords
embossments
side walls
liquid
openings
permeable film
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
GB7905364A
Other versions
GB2014508B (en
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.)
Unilever PLC
Original Assignee
Unilever PLC
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 Unilever PLC filed Critical Unilever PLC
Publication of GB2014508A publication Critical patent/GB2014508A/en
Application granted granted Critical
Publication of GB2014508B publication Critical patent/GB2014508B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/005—Producing membranes
    • 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
    • A61F13/51104—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/022—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing characterised by the disposition or the configuration, e.g. dimensions, of the embossments or the shaping tools therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/755—Membranes, diaphragms

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Forests & Forestry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

A film from thermoplastic material eg. polyolefine or PVC as covering layer for absorbent layers of an article has embossments with openings arranged at their ends. The embossments are formed in such a way that their side walls 2 extend at approximately right angles to the base surface 1. As a result the embossments form capillaries with a cross-section 5 which does not change over the entire depth of the embossments. The side walls 2 of the embossments may have at their open ends a bead 3. The embossments and the openings can have any shape. Preferred are slit-shaped embossments having dimensions of 0.3 x 2 mm, which have been arranged in rows, staggered and in alternating direction. <IMAGE>
GB7905364A 1978-02-15 1979-02-15 Liquid permeable film Expired GB2014508B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2806401A DE2806401C2 (en) 1978-02-15 1978-02-15 One-way liquid permeable film

Publications (2)

Publication Number Publication Date
GB2014508A true GB2014508A (en) 1979-08-30
GB2014508B GB2014508B (en) 1982-04-28

Family

ID=6032054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7905364A Expired GB2014508B (en) 1978-02-15 1979-02-15 Liquid permeable film

Country Status (12)

Country Link
JP (1) JPS55107501A (en)
AT (1) ATA109979A (en)
BE (1) BE874206A (en)
CA (1) CA1118574A (en)
CH (1) CH634470A5 (en)
DE (1) DE2806401C2 (en)
DK (1) DK63879A (en)
FR (1) FR2417389A1 (en)
GB (1) GB2014508B (en)
IT (2) IT1118349B (en)
NL (1) NL7901159A (en)
SE (1) SE433800B (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441952A (en) * 1981-02-02 1984-04-10 The Procter & Gamble Company Method and apparatus for uniformly debossing and aperturing a resilient plastic web
US4463045A (en) * 1981-03-02 1984-07-31 The Procter & Gamble Company Macroscopically expanded three-dimensional plastic web exhibiting non-glossy visible surface and cloth-like tactile impression
US4509908A (en) * 1981-02-02 1985-04-09 The Procter & Gamble Company Apparatus for uniformly debossing and aperturing a resilient plastic web
FR2564316A1 (en) * 1984-05-15 1985-11-22 Moelnlycke Ab ABSORBENT ARTICLE SUCH AS A LAYER OR HYGIENIC TOWEL
US4601868A (en) * 1982-04-21 1986-07-22 The Procter & Gamble Company Method of imparting a three-dimensional fiber-like appearance and tactile impression to a running ribbon of thermoplastic film
EP0205286A2 (en) * 1985-05-31 1986-12-17 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 and an absorbent bandage containing said web
US4747991A (en) * 1981-02-02 1988-05-31 The Procter & Gamble Company Method for debossing and selectively aperturing a resilient plastic web
EP0302611A1 (en) * 1987-07-15 1989-02-08 BP Chemicals PlasTec GmbH Liquid permeable thermoplastic films
EP0403187A1 (en) * 1989-06-12 1990-12-19 BP Chemicals PlasTec GmbH Flexible composite with a perforated plastics film bonded to a fibrous layer and method of making the same
EP0489205A1 (en) * 1990-12-04 1992-06-10 Kang Na Hsiung Enterprise Co. Ltd. An absorbent padding material
US5514105A (en) * 1992-01-03 1996-05-07 The Procter & Gamble Company Resilient plastic web exhibiting reduced skin contact area and enhanced fluid transfer properties
EP0903136A3 (en) * 1997-09-22 1999-04-07 Uni-Charm Corporation Liquid-permeable topsheet for absorbent articles and method of making this topsheet
WO2000001334A1 (en) * 1998-07-02 2000-01-13 Sca Hygiene Products Ab Liquid-permeable surface material for absorbent disposable products, method for the manufacture of this, and an absorbent disposable product with such a surface material

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342314A (en) 1979-03-05 1982-08-03 The Procter & Gamble Company Resilient plastic web exhibiting fiber-like properties
US4324246A (en) * 1980-05-12 1982-04-13 The Procter & Gamble Company Disposable absorbent article having a stain resistant topsheet
GB2159417B (en) * 1984-04-30 1987-09-09 Procter & Gamble Pantiliner
SE449298B (en) * 1984-05-15 1987-04-27 Moelnlycke Ab ABSORBING PRODUCT, SUCH AS DAMBINDE, BLOW OR WOUND
US9861533B2 (en) 2013-05-08 2018-01-09 The Procter & Gamble Company Apertured nonwoven materials and methods for forming the same
EP3215095A1 (en) 2014-11-06 2017-09-13 The Procter and Gamble Company Zonal patterned apertured webs, laminates, and methods for making the same
JP2018503751A (en) 2014-11-06 2018-02-08 ザ プロクター アンド ギャンブルカンパニー Crimped fiber spunbond nonwoven web / laminate
CN107106380A (en) 2014-11-06 2017-08-29 宝洁公司 Absorbent article with color effect
EP3582733B1 (en) 2017-02-16 2022-08-17 The Procter & Gamble Company Absorbent articles with substrates having repeating patterns of apertures comprising a plurality of repeat units
EP3958809A1 (en) 2019-04-24 2022-03-02 The Procter & Gamble Company Highly extensible nonwoven webs and absorbent articles having such webs
GB2616766A (en) * 2020-12-17 2023-09-20 Sekisui House Kk Draining member and building

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB851053A (en) * 1956-01-03 1960-10-12 Kendall & Co Treatment of flexible, thermoplastic, organic polymeric sheets and films
GB1012963A (en) * 1961-06-21 1965-12-15 Smith & Nephew Improvements in and relating to films of thermoplastic material
GB1073605A (en) * 1962-12-21 1967-06-28 Smith & Nephew Improvements in and relating to perforating films of thermoplastic material
GB1116181A (en) * 1965-01-01 1968-06-06 Bakelite Xylonite Ltd Improvements in or relating to netting of thermoplastic material
GB1120578A (en) * 1965-09-13 1968-07-17 Grace W R & Co Improvements in the production of porous film
US3929135A (en) * 1974-12-20 1975-12-30 Procter & Gamble Absorptive structure having tapered capillaries

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441952A (en) * 1981-02-02 1984-04-10 The Procter & Gamble Company Method and apparatus for uniformly debossing and aperturing a resilient plastic web
US4509908A (en) * 1981-02-02 1985-04-09 The Procter & Gamble Company Apparatus for uniformly debossing and aperturing a resilient plastic web
US4747991A (en) * 1981-02-02 1988-05-31 The Procter & Gamble Company Method for debossing and selectively aperturing a resilient plastic web
US4463045A (en) * 1981-03-02 1984-07-31 The Procter & Gamble Company Macroscopically expanded three-dimensional plastic web exhibiting non-glossy visible surface and cloth-like tactile impression
US4601868A (en) * 1982-04-21 1986-07-22 The Procter & Gamble Company Method of imparting a three-dimensional fiber-like appearance and tactile impression to a running ribbon of thermoplastic film
FR2564316A1 (en) * 1984-05-15 1985-11-22 Moelnlycke Ab ABSORBENT ARTICLE SUCH AS A LAYER OR HYGIENIC TOWEL
EP0205286A2 (en) * 1985-05-31 1986-12-17 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 and an absorbent bandage containing said web
EP0205286A3 (en) * 1985-05-31 1987-10-07 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 and an absorbent bandage containing said web
EP0302611A1 (en) * 1987-07-15 1989-02-08 BP Chemicals PlasTec GmbH Liquid permeable thermoplastic films
US4895749A (en) * 1987-07-15 1990-01-23 Aoe Plastic Gmbh Liquid permeable thermoplastic films
EP0403187A1 (en) * 1989-06-12 1990-12-19 BP Chemicals PlasTec GmbH Flexible composite with a perforated plastics film bonded to a fibrous layer and method of making the same
EP0489205A1 (en) * 1990-12-04 1992-06-10 Kang Na Hsiung Enterprise Co. Ltd. An absorbent padding material
US5514105A (en) * 1992-01-03 1996-05-07 The Procter & Gamble Company Resilient plastic web exhibiting reduced skin contact area and enhanced fluid transfer properties
EP0903136A3 (en) * 1997-09-22 1999-04-07 Uni-Charm Corporation Liquid-permeable topsheet for absorbent articles and method of making this topsheet
US6093871A (en) * 1997-09-22 2000-07-25 Uni-Charm Corporation Liquid-permeable topsheet for body fluids absorbent article and method of making this topsheet
US6383441B1 (en) 1997-09-22 2002-05-07 Uni-Charm Corporation Liquid-permeable topsheet for body fluids absorbent article and method of making this topsheet
WO2000001334A1 (en) * 1998-07-02 2000-01-13 Sca Hygiene Products Ab Liquid-permeable surface material for absorbent disposable products, method for the manufacture of this, and an absorbent disposable product with such a surface material

Also Published As

Publication number Publication date
BE874206A (en) 1979-08-16
NL7901159A (en) 1979-08-17
CA1118574A (en) 1982-02-23
FR2417389B1 (en) 1985-03-01
CH634470A5 (en) 1983-02-15
IT7967317A0 (en) 1979-02-14
DE2806401A1 (en) 1979-08-16
ATA109979A (en) 1988-06-15
IT7952954V0 (en) 1979-02-14
JPS55107501A (en) 1980-08-18
SE433800B (en) 1984-06-18
SE7901315L (en) 1979-08-16
DK63879A (en) 1979-08-16
DE2806401C2 (en) 1983-09-29
IT1118349B (en) 1986-02-24
GB2014508B (en) 1982-04-28
FR2417389A1 (en) 1979-09-14

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Legal Events

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