Coextruded hook fasteners

A method of making a touch fastener (10, 11, 50) includes coextruding, sideby-side, a plurality of lanes of polymeric material to form a sheet-form base (12). The sheet-sheet form base (12) includes a lane (14) of a first polymeric material disposed between two lanes (16) of a second polymeric mater...

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Bibliographische Detailangaben
1. Verfasser:	VANBENSCHOTEN BRIAN J.,TACHAUER ERNESTO S.,KURTZ WALLACE L.,TREMBLAY HEIDI S.,DANDURAND PAUL A.,CLUNE WILLIAM P.,NEEB ALEXANDER J.,PIERCE JOSEPH E.,SCHMIDT RICHARD J.,TANZER RICHARD W
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BANDAGES, DRESSINGS OR ABSORBENT PADS BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HABERDASHERY HUMAN NECESSITIES HYGIENE INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES JEWELLERY MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORMING OPERATIONS PROSTHESES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method of making a touch fastener (10, 11, 50) includes coextruding, sideby-side, a plurality of lanes of polymeric material to form a sheet-form base (12). The sheet-sheet form base (12) includes a lane (14) of a first polymeric material disposed between two lanes (16) of a second polymeric material, the second polymeric material is different from the first polymeric material. The method further includes molding a plurality of discrete fastener element stems (212) extending outwardly from and integral with the sheet-form base (12) in each of the two lanes (16) of the second polymeric material and forming engageable heads (18, 214) on the stems (212).