CA1118574A - Liquid-permeable film from thermoplastic material - Google Patents

Liquid-permeable film from thermoplastic material

Info

Publication number
CA1118574A
CA1118574A CA000321485A CA321485A CA1118574A CA 1118574 A CA1118574 A CA 1118574A CA 000321485 A CA000321485 A CA 000321485A CA 321485 A CA321485 A CA 321485A CA 1118574 A CA1118574 A CA 1118574A
Authority
CA
Canada
Prior art keywords
embossments
film
openings
cross
section
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
CA000321485A
Other languages
English (en)
French (fr)
Inventor
Theo Schmidt
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
Application granted granted Critical
Publication of CA1118574A publication Critical patent/CA1118574A/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
CA000321485A 1978-02-15 1979-02-14 Liquid-permeable film from thermoplastic material Expired CA1118574A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2806401.9 1978-02-15
DE2806401A DE2806401C2 (de) 1978-02-15 1978-02-15 Nur in einer Richtung flüssigkeitsdurchlässige Folie

Publications (1)

Publication Number Publication Date
CA1118574A true CA1118574A (en) 1982-02-23

Family

ID=6032054

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000321485A Expired CA1118574A (en) 1978-02-15 1979-02-14 Liquid-permeable film from thermoplastic material

Country Status (12)

Country Link
JP (1) JPS55107501A (de)
AT (1) ATA109979A (de)
BE (1) BE874206A (de)
CA (1) CA1118574A (de)
CH (1) CH634470A5 (de)
DE (1) DE2806401C2 (de)
DK (1) DK63879A (de)
FR (1) FR2417389A1 (de)
GB (1) GB2014508B (de)
IT (2) IT7952954V0 (de)
NL (1) NL7901159A (de)
SE (1) SE433800B (de)

Families Citing this family (24)

* 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
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
GB2159417B (en) * 1984-04-30 1987-09-09 Procter & Gamble Pantiliner
SE449298B (sv) * 1984-05-15 1987-04-27 Moelnlycke Ab Absorberande produkt, sasom dambinda, bloja eller sarforband
SE449285B (sv) * 1984-05-15 1987-04-27 Moelnlycke Ab Absorberande produkt, sasom bloja, binda eller sarforband
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
DE3723404A1 (de) * 1987-07-15 1989-01-26 Aoe Plastic Gmbh Fluessigkeitsdurchlaessige folie, insbesondere als deckfolie fuer saugstoff, sowie verfahren zu deren herstellung
DE3919166A1 (de) * 1989-06-12 1990-12-13 Aoe Plastic Gmbh Flexibles oberflaechenmaterial mit einer perforierten kunststoffolie und einer faserschicht sowie verfahren zur herstellung desselben
ATE135189T1 (de) * 1990-12-04 1996-03-15 Kang Na Hsiung Enterprise Co L Material für absorbierende polsterung
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
JP3510089B2 (ja) * 1997-09-22 2004-03-22 ユニ・チャーム株式会社 体液吸収性物品の透液性表面シートおよび該シートの製造方法
SE512372C2 (sv) * 1998-07-02 2000-03-06 Sca Hygiene Prod Ab Vätskegenomsläppligt ytmaterial för absorberande engångsalster, förfarande för dess tillverkning, och ett absorberande engångsalster med ett sådant ytmaterial
US9861533B2 (en) 2013-05-08 2018-01-09 The Procter & Gamble Company Apertured nonwoven materials and methods for forming the same
CN107072836B (zh) 2014-11-06 2021-03-16 宝洁公司 用于制备图案化开孔纤维网的方法
US10940051B2 (en) 2014-11-06 2021-03-09 The Procter & Gamble Company Absorbent articles with color effects
WO2016073724A1 (en) 2014-11-06 2016-05-12 The Procter & Gamble Company Crimped fiber spunbond nonwoven webs / laminates
EP4056158B1 (de) 2017-02-16 2024-03-06 The Procter & Gamble Company Saugfähige artikel mit substraten mit sich wiederholenden mustern von öffnungen, die eine vielzahl von wiederholungseinheiten umfassen
EP3958809A1 (de) 2019-04-24 2022-03-02 The Procter & Gamble Company Hochdehnbare vliesstoffe und absorbierende artikel mit solchen bahnen
WO2022130581A1 (ja) * 2020-12-17 2022-06-23 積水ハウス株式会社 水切り部材および建築物

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

Also Published As

Publication number Publication date
DE2806401C2 (de) 1983-09-29
SE7901315L (sv) 1979-08-16
NL7901159A (nl) 1979-08-17
IT7967317A0 (it) 1979-02-14
ATA109979A (de) 1988-06-15
FR2417389B1 (de) 1985-03-01
BE874206A (fr) 1979-08-16
GB2014508B (en) 1982-04-28
DK63879A (da) 1979-08-16
JPS55107501A (en) 1980-08-18
IT7952954V0 (it) 1979-02-14
DE2806401A1 (de) 1979-08-16
FR2417389A1 (fr) 1979-09-14
GB2014508A (en) 1979-08-30
SE433800B (sv) 1984-06-18
CH634470A5 (de) 1983-02-15
IT1118349B (it) 1986-02-24

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Legal Events

Date Code Title Description
MKEX Expiry