GB1471721A - Breathable liquid-impervious backsheet for disposable ab sorptive devices - Google Patents

Breathable liquid-impervious backsheet for disposable ab sorptive devices

Info

Publication number
GB1471721A
GB1471721A GB3648974A GB3648974A GB1471721A GB 1471721 A GB1471721 A GB 1471721A GB 3648974 A GB3648974 A GB 3648974A GB 3648974 A GB3648974 A GB 3648974A GB 1471721 A GB1471721 A GB 1471721A
Authority
GB
United Kingdom
Prior art keywords
layer
web
liquid
absorbent body
materials
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
GB3648974A
Other languages
English (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.)
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 GB1471721A publication Critical patent/GB1471721A/en
Expired legal-status Critical Current

Links

Classifications

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    • A61F13/00—Bandages or dressings; Absorbent pads
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    • 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
    • A61F13/5146—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable having apertures of perforations
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
    • B29C51/082—Deep drawing or matched-mould forming, i.e. using mechanical means only by shaping between complementary mould parts
    • B29C51/085—Deep drawing or matched-mould forming, i.e. using mechanical means only by shaping between complementary mould parts with at least one of the shaping surfaces being made of resilien material, e.g. rubber
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    • Y10T428/24322—Composite web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981—Plural void-containing components

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Laminated Bodies (AREA)
GB3648974A 1973-08-20 1974-08-20 Breathable liquid-impervious backsheet for disposable ab sorptive devices Expired GB1471721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38984173 US3881489A (en) 1973-08-20 1973-08-20 Breathable, liquid inpervious backsheet for absorptive devices

Publications (1)

Publication Number Publication Date
GB1471721A true GB1471721A (en) 1977-04-27

Family

ID=23539953

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3648974A Expired GB1471721A (en) 1973-08-20 1974-08-20 Breathable liquid-impervious backsheet for disposable ab sorptive devices

Country Status (15)

Country Link
US (1) US3881489A (enExample)
JP (2) JPS5049041A (enExample)
AT (1) AT350015B (enExample)
BE (1) BE819013A (enExample)
CA (1) CA1008655A (enExample)
CH (1) CH577280A5 (enExample)
DE (1) DE2439367C2 (enExample)
DK (1) DK135923B (enExample)
FR (1) FR2241265B1 (enExample)
GB (1) GB1471721A (enExample)
IE (1) IE40440B1 (enExample)
IT (1) IT1020028B (enExample)
LU (1) LU70770A1 (enExample)
NL (1) NL180489C (enExample)
SE (1) SE388342B (enExample)

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AU7234674A (en) 1976-02-19
DK135923C (enExample) 1977-12-12
NL180489C (nl) 1987-03-02
JPS5049041A (enExample) 1975-05-01
CA1008655A (en) 1977-04-19
CH577280A5 (enExample) 1976-07-15
JPS5892311U (ja) 1983-06-22
IE40440B1 (en) 1979-06-06
DE2439367C2 (de) 1986-04-30
NL7411075A (nl) 1975-02-24
BE819013A (fr) 1975-02-20
DK135923B (da) 1977-07-18
ATA673774A (de) 1978-10-15
JPS5922084Y2 (ja) 1984-07-02
DK443874A (enExample) 1975-04-14
IT1020028B (it) 1977-12-20
FR2241265A1 (enExample) 1975-03-21
FR2241265B1 (enExample) 1978-11-24
DE2439367A1 (de) 1975-02-27
AT350015B (de) 1979-05-10
SE388342B (sv) 1976-10-04
IE40440L (en) 1975-02-20
SE7410532L (enExample) 1975-02-21
LU70770A1 (enExample) 1975-06-11
US3881489A (en) 1975-05-06

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PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19940819