NL7411075A - BREATHABLE, LIQUID IMPERVABLE BASE FOR ABSORBING DISPOSABLE PRODUCTS. - Google Patents
BREATHABLE, LIQUID IMPERVABLE BASE FOR ABSORBING DISPOSABLE PRODUCTS.Info
- Publication number
- NL7411075A NL7411075A NL7411075A NL7411075A NL7411075A NL 7411075 A NL7411075 A NL 7411075A NL 7411075 A NL7411075 A NL 7411075A NL 7411075 A NL7411075 A NL 7411075A NL 7411075 A NL7411075 A NL 7411075A
- Authority
- NL
- Netherlands
- Prior art keywords
- impervable
- breathable
- liquid
- base
- disposable products
- Prior art date
Links
Classifications
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- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- A61F13/5146—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
-
- 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
- A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
- A61F13/51478—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- 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
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/18—Thermoforming apparatus
- B29C51/20—Thermoforming apparatus having movable moulds or mould parts
- B29C51/22—Thermoforming apparatus having movable moulds or mould parts rotatable about an axis
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/266—Auxiliary operations after the thermoforming operation
- B29C51/268—Cutting, rearranging and joining the cut parts
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0032—Ancillary operations in connection with laminating processes increasing porosity
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/06—Embossing
-
- A—HUMAN NECESSITIES
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- A61F13/00—Bandages or dressings; Absorbent pads
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- 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
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- 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
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-
- A—HUMAN NECESSITIES
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- A61F13/00—Bandages or dressings; Absorbent pads
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-
- A—HUMAN NECESSITIES
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/15577—Apparatus or processes for manufacturing
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
-
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- A61F13/00—Bandages or dressings; Absorbent pads
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- 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
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- A61F13/00—Bandages or dressings; Absorbent pads
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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
- A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
- A61F2013/51486—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure with specially shaped backsheets
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- A—HUMAN NECESSITIES
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- 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
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- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
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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)
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 (2)
Publication Number | Publication Date |
---|---|
NL7411075A true NL7411075A (en) | 1975-02-24 |
NL180489C NL180489C (en) | 1987-03-02 |
Family
ID=23539953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7411075A NL180489C (en) | 1973-08-20 | 1974-08-19 | ABSORBENT DISPOSABLE PRODUCTS INCLUDING AN ABSORBENT BODY AND A LIQUID-RESISTANT, AIR-PERMISSIBLE SUBSTRATE. |
Country Status (15)
Country | Link |
---|---|
US (1) | US3881489A (en) |
JP (2) | JPS5049041A (en) |
AT (1) | AT350015B (en) |
BE (1) | BE819013A (en) |
CA (1) | CA1008655A (en) |
CH (1) | CH577280A5 (en) |
DE (1) | DE2439367C2 (en) |
DK (1) | DK135923B (en) |
FR (1) | FR2241265B1 (en) |
GB (1) | GB1471721A (en) |
IE (1) | IE40440B1 (en) |
IT (1) | IT1020028B (en) |
LU (1) | LU70770A1 (en) |
NL (1) | NL180489C (en) |
SE (1) | SE388342B (en) |
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JPS4810601U (en) * | 1971-06-15 | 1973-02-06 |
-
1973
- 1973-08-20 US US38984173 patent/US3881489A/en not_active Expired - Lifetime
-
1974
- 1974-08-09 CA CA206,651A patent/CA1008655A/en not_active Expired
- 1974-08-16 DE DE2439367A patent/DE2439367C2/en not_active Expired
- 1974-08-19 SE SE7410532A patent/SE388342B/en not_active IP Right Cessation
- 1974-08-19 IE IE1721/74A patent/IE40440B1/en unknown
- 1974-08-19 NL NL7411075A patent/NL180489C/en not_active IP Right Cessation
- 1974-08-19 IT IT2641174A patent/IT1020028B/en active
- 1974-08-19 AT AT673774A patent/AT350015B/en not_active IP Right Cessation
- 1974-08-19 JP JP9489574A patent/JPS5049041A/ja active Pending
- 1974-08-19 FR FR7428427A patent/FR2241265B1/fr not_active Expired
- 1974-08-19 CH CH1130774A patent/CH577280A5/xx not_active IP Right Cessation
- 1974-08-20 BE BE147754A patent/BE819013A/en not_active IP Right Cessation
- 1974-08-20 DK DK443874A patent/DK135923B/en not_active IP Right Cessation
- 1974-08-20 GB GB3648974A patent/GB1471721A/en not_active Expired
- 1974-08-20 LU LU70770A patent/LU70770A1/xx unknown
-
1982
- 1982-08-24 JP JP1982127914U patent/JPS5922084Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3881489A (en) | 1975-05-06 |
DK443874A (en) | 1975-04-14 |
AU7234674A (en) | 1976-02-19 |
DK135923B (en) | 1977-07-18 |
NL180489C (en) | 1987-03-02 |
LU70770A1 (en) | 1975-06-11 |
GB1471721A (en) | 1977-04-27 |
DK135923C (en) | 1977-12-12 |
AT350015B (en) | 1979-05-10 |
CA1008655A (en) | 1977-04-19 |
FR2241265A1 (en) | 1975-03-21 |
CH577280A5 (en) | 1976-07-15 |
SE7410532L (en) | 1975-02-21 |
FR2241265B1 (en) | 1978-11-24 |
IE40440B1 (en) | 1979-06-06 |
DE2439367C2 (en) | 1986-04-30 |
IE40440L (en) | 1975-02-20 |
BE819013A (en) | 1975-02-20 |
SE388342B (en) | 1976-10-04 |
DE2439367A1 (en) | 1975-02-27 |
IT1020028B (en) | 1977-12-20 |
ATA673774A (en) | 1978-10-15 |
JPS5922084Y2 (en) | 1984-07-02 |
JPS5892311U (en) | 1983-06-22 |
JPS5049041A (en) | 1975-05-01 |
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