DK149563B - Absorberende genstand med absorberende pude - Google Patents
Absorberende genstand med absorberende pude Download PDFInfo
- Publication number
- DK149563B DK149563B DK576576AA DK576576A DK149563B DK 149563 B DK149563 B DK 149563B DK 576576A A DK576576A A DK 576576AA DK 576576 A DK576576 A DK 576576A DK 149563 B DK149563 B DK 149563B
- Authority
- DK
- Denmark
- Prior art keywords
- pad
- regions
- densified
- portions
- absorbent
- Prior art date
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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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/14—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
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- 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
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
- A61F13/15658—Forming continuous, e.g. composite, fibrous webs, e.g. involving the application of pulverulent material on parts thereof
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- 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
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- 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
- A61F13/53—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
- A61F13/531—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 a homogeneous composition through the thickness of the pad
- A61F13/532—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
-
- 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
- A61F13/53—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
- A61F13/531—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 a homogeneous composition through the thickness of the pad
- A61F13/532—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
- A61F13/533—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression
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- 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
- A61F13/53—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
- A61F13/535—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 inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
- A61F13/536—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 inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes having discontinuous areas of compression
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- 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
- A61F13/53—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
- A61F13/531—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 a homogeneous composition through the thickness of the pad
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- 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
- A61F13/53—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
- 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
- A61F13/53—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
- A61F13/537—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking 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
- A61F13/56—Supporting or fastening means
- A61F13/58—Adhesive tab fastener elements
-
- 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
-
- 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
- A61F2013/51078—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 being embossed
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- 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
- A61F13/51401—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
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- 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
- A61F13/53—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
- A61F2013/530131—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 being made in fibre but being not pulp
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- 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
- A61F13/53—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
- A61F2013/53445—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 from several sheets
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- 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
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- 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
- A61F13/537—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
- A61F2013/53721—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means
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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
- A61F13/56—Supporting or fastening means
- A61F13/58—Adhesive tab fastener elements
- A61F2013/586—Adhesive tab fastener elements on lateral flaps
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
-
- 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
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
- B32B2309/105—Thickness
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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
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Nonwoven Fabrics (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Description
U9563
Den foreliggende opfindelse angår en absorberende genstand indbefattende en absorberende pudeenhed med en absorberende pude omfattende en fibermasse.
Hidtil er absorberende genstande af éngangsarten, såsom bleer, blevet forsynet med absorberende puder til at optage og tilbageholde legemsvæsker. For at genstandene skal fungere på en hensigtsmæssig måde, bør puderne være i stand til at overføre legemsvæskerne fra påføringspunktet til derfra fjerntliggende områder i puderne, hvorved væskerne eller fluididerne distribueres gennem hele puden og reducerer mætning ved pårøringspunktet. Desuden bør puderne være i stand til at tilbageholde legemsvæskerne, når puderne belastes, da væskerne ellers ville lække fra pudens ender.
2 149553
Specielt i forbindelse med éngangsbleer er puden normalt lavet ud fra en fibermasse, såsom findelt træpulp kendt som træfnug. Fluidumtilbageholdelseskapaciteten for sådanne puder er for en stor del afhængig af mellemrummene mellem pudefibrene,og hvis mellemrummene mellem fibrene i puderne er reduceret i størrelse formindskes pudernes evne til at tilbageholde fluidum på tilsvarende måde. På den anden side giver puder med mindre mellemrum mellem fibrene en større væskeabsorption og større overføringshastigheder end puder med stort mellemrum mellem fibrene.
Nogle af bleerne er blevet fremstillet med puder, der er blevet sammentrykket i forholdsvis høj grad hen over hele puden. Skønt sådanne bleers puder kan sprede fluidum hen igennem hele puden, er bleerne utilfredsstillende, da deres puder ikke er i stand til at tilbageholde en tilstrækkelig mængde legemsvæske og dermed lækker. Sådanne bleers puder er også forholdsvis stive, og tilpasses ikke nemt til barnets form. Andre bleer er blevet fremstillet med puder, der er forholdsvis lidt sammentrykkede hen over hele puden, men sådanne puder er ikke i stand til på passende måde at fordele væskerne i puderne.
Ifølge US PS 2.788.003 er i et forsøg på at løse disse problemer nogle bleer blevet forsynet med puder, der er blevet sammentrykket til en reduceret tykkelse i visse dele af puderne for at tilvejebringe forholdsvis tætte og mindre tætte, henholdsvis vægtfyldige og mindre vægtfyldige pudeområder. I teorien skulle pudernes sammentrykkede dele fordele væskerne til med indbyrdes afstand beliggende pudeområder, medens pudernes ikke sammentrykkede dele skulle tilbageholde væskerne. Når imidlertid sådanne puder belastes under brug, bliver pudernes oprindeligt ikke tætte eller kun lidt vægtfyldige områder af puden sammentrykket, hvorved mellemrummene mellem fibrene reduceres på signifikant måde i pudernes ikke sammentrykkede dele. Sådanne belastede pudeområder er følgelig effektivt omdannet til fortættede områder, således at pudernes væsketilbageholdende kapacitet reduceres, hvilket igen resulterer i en mulig laskning fra puderne.
Det er den foreliggende opfindelses formål at anvise en absorberende genstand af forenklet konstruktion med en forbedret absorberende pude, hvor væske hurtigt overføres til de områder af puden, der ligger forholdsvis langt fra væskepåføringsstedet, og som også i belastet tilstand har en stor væsketilbageholdelseskapacitet.
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Dette formål tilgodeses ved/at den indledningsvist omtalte genstand ifølge opfindelsen er ejendommelig ved det i den kendetegnende del af krav 1 anførte. Herved sikres, at de fortættede regioner overfører væske til længere borte liggende områder af puden ved en forholdsvis stor hastighed, at de ikke fortættede partier tilvejebringer en forholdsvis stor væsketilbageholdelseskapacitet for puden, idet de fortættede regioner overfører væske til de ikke-fortættede partier til tilbageholdelse af væske i disse. Endvidere sikres, at de fortættede regioner støtter puden, når den belastes,for derved at reducere sammentrykningen af de ikke-fortættede partier. Ialt medfører dette, at puden har forbedrede væskefordeling- og tilbageholdelseskarakteristika, når den belastes under brug. Ved kombinationen af de ikke-fortættede partier og de fortættede regioner tilvejebringes samtidig en pude, der er blød, og som nemt kan tilpasses til bærerens form.
I den kendetegnende del af kravene 1-9 er angivet forskellige praktiske udførelsesformer, der hver for sig eller i kombination er nemme og enkle at fremstille på en økonomisk måde.
Af tegningen og den tilhørende beskrivelse fremgår foretrukne udførelsesformer for den foreliggende opfindelse. På tegningen viser fig. 1 et delbillede set fra oven af en absorberende genstand ifølge den foreliggende opfindelse, illustreret i form af en éngangsble, fig. 2 og 2a er delsnit, der viser en udførelsesform for en absorberende pude for genstanden ifølge den foreliggende opfindelse før og efter sammentrykning, fig. 3 og 3a er delsnit, der viser en anden udførelsesform for en absorberende pude til brug for genstanden ifølge den foreliggende opfindelse før og efter sammentrykning, fig. 4 et perspektivisk delbillede af en yderligere udførelsesform for en absorberende pude til brug for genstanden ifølge den foreliggende opfindelse, fig. 4a er et delsnit, taget i det væsentlige langs linien 4a-4a i fig. 4, 4 149563 fig. 4b er et delsnit af puden vist i fig. 4 og 4a efter sammentrykning, fig. 5 et perspektivisk delbillede af en anden udførelsesform for en absorberende pude til brug for genstanden ifølge den foreliggende opfindelse, fig. 5a et delsnit taget i det væsentlige langs linien 5a-5a i fig. 5, fig. 5b er et delsnit af puden vist i fig. 5 og 5a efter sammentrykning, - fig. 6 er et perspektivisk delbillede af en videre udførelsesform for en absorberende pude til brug for genstanden ifølge den foreliggende opfindelse, fig. 6a er et delsnit taget i det væsentlige som angivet langs linien 6a-6a i fig. 6, fig. 6b et delsnit af puden ifølge fig. 6 og 6a efter sammentrykning, fig.7 og 8 delbilleder set oppefra af andre udførelsesformer for absorberende puder til brug for genstanden ifølge den foreliggende opfindelse, og fig. 9 et skematisk billede, der viser et apparat til at fremstille absorberende puder til brug for genstanden ifølge den foreliggende opfindelse.
I fig. 1 ses en absorberende genstand 20. Skønt den absorberende genstand ifølge den foreliggende opfindelse kan benyttes til mange formål, såsom hygiejnebind og busteholderindlæg, beskrives genstanden, for nemheds skyld,nedenfor i. form af en éngangsble.· Genstanden eller bleen 20 har en absorberende pudeenhed med et flu'idumuigen-nemtrængeligt baglag 24, der afgrænser en bagflade for bleen, et fluidumgennemtrængeligt top- eller dæklag 26, der afgrænser en væsentlig del af bleens frontflade, og en absorberende pude 28 anbragt mellem baglaget 24 og toplaget 26. Bleen 20 kan have et bageste vat -lag 30 anbragt under en bagflade 31 af puden 28 og et forreste vat- 5 149563 lag 32 anbragt imod en frontflade 33 af puden 28. Det bageste og forreste vatlag 30 og 32 tilvejebringer en strukturel sammenhæng for puden 28 og forhindrer, at puden klumper under bleens brug. Som vist kan baglaget 24 have langs siden anbragte sidekanter 34, der er foldet om og fastgjort til toplaget 26 over puden 28. Bleen kan også have et par kendte klæbebåndsfastgørelsesorganer 36 til brug til at fastgøre bleen om et barn under bleens lægning.
Puden er fremstillet af en fibermasse, såsom findelt træpulp kendt som træfnug. Som vist i fig. 2 formes puden 28 fra først af med et antal hævede strimler 38, der forløber i puden 28’s langsgående retning. De hævede strimler 38 er anbragt med afstand fra hinanden og afgrænser aflange åbninger 40, der forløber i langsgående retning i puden mellem strimlerne 38 og forløber delvis igennem puden 28*s tykkelse. Puden vist i fig. 2 har således forholdsvis tykke regioner 38’, som omfatter strimlerne 38 og forholdsvis tynde partier 40’ anbragt under åbningerne 40 og mellem regionerne 38*. Således som det vil blive beskrevet nedenfor sammentrykkes den uregelmæssige pude vist i fig. 2 til dannelse af en pude med i det væsentlige ens tykkelse hen over hele puden, således som vist i fig. 2a. Da udgangspuden vist i fig. 2 har en større tykkelse i regionerne 38' sammentrykkes regionerne 38’ i den sammentrykkede pude vist i fig. 2 i større udstrækning end partierne 40’, der kan sammentrykkes let eller forblive usammentrykkede. Den sammentrykkede pude vist i fig. 2a har således et antal langsgående regioner 38*, der i høj grad er fortættede éLler mere vægtfyldige på grund af disse regioners sammentrykning, idet regionerne 38' er adskilt ved de langsgående partier 40', der er forholdsvis ufortættede eller er forholdsvis lidet vægtfyldige.
I fig. 2a ses, at fibrene i de fortættede regioner 38' er presset tæt sammen, hvorved man reducerer mellemrummet mellem fibrene i de fortættede regioner til en lille størrelse, medens fibrene i de ikke-fortættede partier 40’ afgrænser forholdsvi. s store mellemrum mellem fibrene. Da mellemrummene mellem fibrene i de fortættede regioner 38’ er forholdsvis små absorberer de fortættede regioner 38' hurtigt væske fra bleens frontside og overfører væsken til områder af bleen, der ligger langt fra påføringspunktet på bleen. Da fibrene i de ikke-fortættede partier 40’ afgrænser forholdsvis store mellemrum mellem fibrene tilvejebringer de ikke-fortættede partier 40’ 6 149563 i puden steder med forholdsvis store væsketilbageholdende kapaciteter. Væsken overføres således ved hjælp af de fortættede regioner 38’ til de ikke-fortættede partier 40’, hvor væsken tilbageholdes i puden. Skønt de fortættede regioner 38' for den komprimerede pude i en foretrukken udførelsesform tilnærmelsesvis har den samme tykkelse som de ikke-fortættede partier 40’, er det klart, at de fortættede regioner 38’ kan have en større tykkelse end de ikke-fortættede partier, såfremt dette ønskes. I begge tilfælde er de fortættede regioner 38' tilstrækkeligt tykke til at tilvejebringe en støtte for puden, når den belastes under brug og til at reducere sammentrykningen af de ikke-fortættede partier 40’ til et minimum, når puden belastes. De fortættede regioner 38’ tjener således til at bevare mellemrummene mellem fibrene i de ikke-fortættede partier 40’ i åben tilstand · under bleeens brug for at forhindre reduktion af kapaciteten til at tilbageholde fluidum i disse partier. Det er indlysende, at de fortættede regioner 38’ i den sammentrykkede pude har en større vægt pr. volumenenhed i et tværsnit, der forløber mellem pudens front- og bagflader 33 og 31 end de ikke-fortættede partier 40’.
Som vist i fig. 2 er ved den foreliggende udførelsesform strimlerne 38 anbragt med afstand fra puden 28’s sidekanter 42a og 42b, således at den sammentrykkede pude 28 vist i fig. l og 2a har ikke-fortættede partier 40’ anbragt nabostillet til pudens sidekanter 42a og 42b, medens de fortættede regioner 38’ er anbragt med afstand fra pudens sidekanter. Som vist i fig. 3 kan puden 28 have langsgående strimler 38 anbragt nabostillet til puden 28’s sidekanter 42a og 42b, således at de fortættede regioner 38’ dannes ved puden 28'ssidekan-ter 42a og 42b, som vist i fig. 3a. Som vist i fig. 7 kan puden 28 desuden sammentrykkes yderligere langs prægningslinier 44, der forbinder de med indbyrdes afstand anbragte fortættede regioner 38’ og de ikke-fortættede partier 40’. Prægningslinierne 44 reducerer størrelsen af mellemrummet mellem fibrene i begrænsede områder af de ikke-fortættede partier 40’ og tjener til hurtigt at overføre væske mellem adskilte fortættede regioner 38’ igennem eller på tværs af . de ikke-fortættede partier 40'. I den i fig. 7 viste udførelseaform 7 er prægningslinierne 44' udformet, så de forløber i diagonal retning i forhold til puden 28's sidekanter, skønt de kan dannes under enhver hensigtsmæssig vinkel og kan omfatte ekstra prægningslinier 44’, således som vist i fig. 8, og som krydser prægningslinierne 44 til dannelse af et ruderformet mønster i puden 28. Prægningslinierne kan 7 149563 selvfølgelig indbefattes i enhver udførelsesform for den foreliggende opfindelse. De ovenfor beskrevne absorberende puder kan også drejes 90° for at placere de ikke-fortættede partier og de fortættede regioner med strimlerne forløbende på tværs af pudeenheden.
En anden udførelsesform for den foreliggende opfindelse er illustreret i fig. 4, 4a og 4b, hvor de samme henvisningstal er benyttet til at angive de tilsvarende dele. I den i fig. 4 og 4a viste udførelsesform har puden 28 fra først af et antal cirkulære åbninger 40, der forløber delvis gennem puden og afgrænser hævede områder 38 af puden, som omgiver åbningerne 40. Som vist i fig. 4b dannes den sammentrykkede pudes fortættede.regioner 38*, når puden 28 sammentrykkes i overensstemmelse med udgangspudens hævede regioner 38, medens de ikke-fortættede partier 40' dannes i puden under åbningerne 40 af udgangspuden. De ikke-fortættede partier 40' har således tilnærmelsesvis en cirkulær form, medens de fortættede regioner 38' omgiver de ikke-fortættede partier 40’. De ikke-fortættede partier 40* kan selvfølgelig have enhver hensigtsmæssig form, alt efter ønske. De fortættede regioner 38’ tjener til hurtigt at absorbere og overføre væsken hen igennem hele den sammentrykkede pude 28 og til at støtte bleen, når den belastes, medens de ikke-fortættede partier 40* tjener til at tilbageholde væske i puden, således som ovenfor beskrevet.
En yderligere udførelsesform for den foreliggende opfindelse er illustreret i fig. 5» 5a og 5b, hvor de samme henvisningstal angiver tilsvarende dele. Den i fig. 5 og 5a viste pude har et første pudelag 28a med-ensartet; tykkelse, og et andet pudelag 28b anbragt imod det første pudelag 28a. Det andet pudelag 28b har et antal åbninger 40, der forløber gennem det andet pudelag 28b og afgrænser regioner 38 af det andet pudelag 28b, der omgiver åbningerne 40. Af fig. 5d sés,.at når det første og dét andet pudelag 28a og 28b sammenpresses på hensigtsmæssig måde, har den resulterende pude 28 fortættede regioner 38 *, som svarer til regionerne 38 med det ekstra pudemateriale i det andet pudelag 28b og endvidere ikke-fortættede partier 40', der bestemmes af det materiale i det første pudelag 28a, som ligger under åbningerne 40 af det andet pudelag 28b. De ikke-fortættede partier 40' har således i det væsentlige en cir- . kulær form, skønt disse partier kan fremstilles med enhver hensigtsmæssig form alt efter ønske. De fortættede regioner 38' og de ikke- 149563
O
fortættede partier 40’ for den komprimerede pude vist i fig. 5b samvirker på en tilsvarende måde som ovenfor beskrevet i forbindelse med puderne vist i fig. l-4b.
En videre udførelsesform for den foreliggende opfindelse er illustreret i fig. 6, 6a og 6b, hvor de samme henvisningstal angiver de tilsvarende dele. I fig. 6 og 6a ses, at udgangspuden 28 har et antal hævede, cirkulære regioner 38 og indskårne partier 40, der omgiver de hævede regioner 38. I fig. 6b ses, at når puden 28 sammenpresses på hensigtsmæssig måde, svarer de fortættede regioner 38' til de fra først af hævede regioner 38 og har en cirkulær form, medens de ikke-fortættede partier 40 omgiver de fortættede regioner 38’. De fortættede regioner 38’ kan selvfølgelig have enhver hensigtsmæssig form, alt efter ønske.Den sammentrykkede pude 28 vist i fig. 6b fungerer på en måde som ovenfor beskrevet i forbindelse med de andre puder ifølge den foreliggende opfindelse.
Et apparat 50 til fremstilling af absorberende puder, der indgår i genstanden- ifølge åen foreliggende opfindelse er illustreret i fig.
9. Apparatet 50 har et gennembrudt, endeløst transportbånd 52, der bæres af et par valser £4a og 54b og drives ved hjælp af valserne i retning med uret, således som vist. Transportbåndet 52 har et antal blokke 56 fastgjort på båndets yderside, således at blokkene dækker områder af det gennembrudte bånd,på hvilket de fastholdes. Blokkene 52 kan have enhver hensigtsmæssig form, såsom en i det væsentlige cylindrisk udformning. Apparatet har en tragt 58 båret over båndet §2’s øvre løb 60 til at anbringe fibre, såsom findelt træpulp på båndet 52rs øvre løb 60. Apparatet 50 har også en plade 62, der er anbragt under båndets 52 øvre løb 60 og under tragten 58, idet pladen 62 er forbundet til en vakuumkilde for at medvirke til afsætning af fibre, der kommer fra tragten 58 ned på båndets 52 øvre løb 60.
Ved drift samvirker vakuumpladen 62 og tragten 58 til dannelse af et lag af træfnug på båndets 52 øvre løb 60, medens blokkene 56 forhindrer gennemstrømning af luft gennem det gennembrudte bånd 52 og reducerer opbygning af fnug i partierne med blokkene 56. Der dannes følgelig et lag af fnug med et antal åbninger 40 i den nedre del af fnuglaget svarende til blokkenes lokationer og med hævede regioner 38 mellem åbningerne 40's placeringer. Fnuglaget
Claims (5)
1. Absorberende geristand (20) indbefattende en absorberende pudeenhed med en absorberende pude (28) omfattende en fibermasse, kendetegnet ved, at puden (28) har fortættede regioner (38') til gennem puden at overføre væske med forholdsvis stor hastighed og til at understøtte puden (28), når denne belastes, og relativt ikke-fortættede partier (40'), der er nabostillet til de nævnte regioner (38*), og som har en forholdsvis stor væsketilbageholdelseskapacitet for puden (28), og hvor regionerne (38') har en tykkelse, der tilnærmelsesvis er mindst lige så stor som partiernes (40') tykkelse, og at regionerne (38') og partierne (40’) adskiller hinanden i puden (28).
2. Genstand ifølge krav 1, kendetegnet ved, at regionerne (38') har en i det væsentlige cirkulær form.
3. Genstand ifølge krav 1, kendetegnet ved, at partierne (40') har en i det væsentlige cirkulær form.
4. Genstand ifølge krav 1, kendetegnet ved, at partierne (401) og regionerne (38') udgøres af et antal aflange strimler.
5. Genstand ifølge krav 1, kendetegnet ved, at et par af regionerne (38') er anbragt nabostillet til modstående sidekanter (42a, b) af puden (28).
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US05/644,691 US4027672A (en) | 1975-12-29 | 1975-12-29 | Absorbent article with improved pad and method |
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US7694379B2 (en) | 2005-09-30 | 2010-04-13 | First Quality Retail Services, Llc | Absorbent cleaning pad and method of making same |
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US9044359B2 (en) | 2008-04-29 | 2015-06-02 | The Procter & Gamble Company | Disposable absorbent article with absorbent particulate polymer material distributed for improved isolation of body exudates |
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US20100036348A1 (en) * | 2008-08-05 | 2010-02-11 | Antonio Carlos Ribeiro De Carvalho | Absorbent article including absorbent core having a plurality of first regions and a second region surrounding each of the first regions |
JP5319262B2 (ja) * | 2008-12-11 | 2013-10-16 | 花王株式会社 | 吸収性物品及びその製造方法 |
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US1863333A (en) * | 1929-12-10 | 1932-06-14 | Int Cellucotton Products | Absorbent pad |
US2788003A (en) * | 1955-06-06 | 1957-04-09 | Chicopee Mfg Corp | Disposable absorbent pad |
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DE2500967A1 (de) * | 1974-03-29 | 1975-10-09 | Procter & Gamble | Zusammengesetzte, absorbierende strukturen |
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-
1975
- 1975-12-29 US US05/644,691 patent/US4027672A/en not_active Expired - Lifetime
-
1976
- 1976-12-07 ZA ZA00767288A patent/ZA767288B/xx unknown
- 1976-12-13 GR GR52393A patent/GR63686B/el unknown
- 1976-12-14 AU AU20518/76A patent/AU512002B2/en not_active Expired
- 1976-12-14 DE DE19762656482 patent/DE2656482A1/de active Granted
- 1976-12-15 CH CH1579076A patent/CH609539A5/xx not_active IP Right Cessation
- 1976-12-15 MX MX167413A patent/MX146088A/es unknown
- 1976-12-16 AT AT0929076A patent/AT363420B/de not_active IP Right Cessation
- 1976-12-16 GB GB52570/76A patent/GB1502588A/en not_active Expired
- 1976-12-17 PT PT65984A patent/PT65984B/pt unknown
- 1976-12-20 IT IT52702/76A patent/IT1073596B/it active
- 1976-12-21 NL NL7614205A patent/NL7614205A/xx not_active Application Discontinuation
- 1976-12-21 DK DK576576A patent/DK149563C/da not_active IP Right Cessation
- 1976-12-22 IE IE2813/76A patent/IE44272B1/en not_active IP Right Cessation
- 1976-12-24 CA CA268,719A patent/CA1092331A/en not_active Expired
- 1976-12-27 BR BR7608700A patent/BR7608700A/pt unknown
- 1976-12-27 FR FR7639124A patent/FR2336916A1/fr active Granted
- 1976-12-28 JP JP16084976A patent/JPS5284040A/ja active Granted
- 1976-12-28 ES ES1976235784U patent/ES235784Y/es not_active Expired
- 1976-12-28 PH PH7619292A patent/PH12390A/en unknown
- 1976-12-29 BE BE173719A patent/BE849960A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK149563C (da) | 1987-03-09 |
FR2336916B1 (da) | 1983-01-28 |
DE2656482C2 (da) | 1988-01-28 |
ATA929076A (de) | 1981-01-15 |
JPS613882B2 (da) | 1986-02-05 |
ES235784U (es) | 1979-04-01 |
FR2336916A1 (fr) | 1977-07-29 |
MX146088A (es) | 1982-05-12 |
IE44272L (en) | 1977-06-29 |
AU512002B2 (en) | 1980-09-18 |
AU2051876A (en) | 1978-06-22 |
PT65984B (en) | 1978-06-16 |
CA1092331A (en) | 1980-12-30 |
IE44272B1 (en) | 1981-09-23 |
AT363420B (de) | 1981-08-10 |
DE2656482A1 (de) | 1977-07-07 |
ES235784Y (es) | 1979-10-01 |
DK576576A (da) | 1977-06-30 |
IT1073596B (it) | 1985-04-17 |
US4027672A (en) | 1977-06-07 |
ZA767288B (en) | 1978-07-26 |
PH12390A (en) | 1979-01-29 |
BE849960A (fr) | 1977-04-15 |
CH609539A5 (da) | 1979-03-15 |
GR63686B (en) | 1979-11-29 |
BR7608700A (pt) | 1977-10-25 |
PT65984A (en) | 1977-01-01 |
GB1502588A (en) | 1978-03-01 |
JPS5284040A (en) | 1977-07-13 |
NL7614205A (nl) | 1977-07-01 |
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Legal Events
Date | Code | Title | Description |
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PBP | Patent lapsed |