A fluid-tight slide fastener

Details A fluid-tight slide fastener A fluid-tight slide fastener

A - Human Necessities

44

B

A44B 19/32 (2006.01) B29D 5/00 (2006.01) A41D 13/012 (2006.01)

Patent

CA 2639833

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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