FLUID-TIGHT SLIDE FASTENER
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United States of America Patent
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Issued Date -
Jan 14, 2010
app pub date -
Sep 18, 2008
filing date -
Oct 4, 2007
priority date (Note) -
Abandoned
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Abstract
A fluid-tight slide fastener (10) comprising tapes (12) with an inner textile layer (14) and a fluid barrier layer (16), teeth elements (21) and a slider (22), wherein said textile layer (14) is made with a spun yarn of cut fibers. Preferred materials are also disclosed for the textile layer, the fluid barrier layer and the teeth, including PE for textile layer, TPE-E or TPE-U for the fluid-barrier layer and PBT, ABS, polyamide (PA) and their blends or copolymers for the teeth. A process for making slide fasteners is also disclosed, wherein strips of a spun yarn textile material are coated by extrusion or lamination of a melted fluid-barrier material.
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