Fluid-tight slide fastener stringer

Details Fluid-tight slide fastener stringer Fluid-tight slide fastener stringer

A - Human Necessities

44

B

24/47

A44B 19/32 (2006.01) A44B 19/34 (2006.01)

Patent

CA 1306342

ABSTRACT OF THE DISCLOSURE A fluid-tight slide fastener stringer has a fluid-tight tape chiefly made of rubber or synthetic resin on which tape a series of discrete coupling elements are supported along an inner longitudinal margin of the tape. The tape margin is folded so as to provide therealong a pair of spaced contact portions and a folded edge portion disposed between the contact portions. The tape has a foamed layer extending in and through at least the contact portions and the folded edge portion. At least the margin of the resultant tape is excellent in ability of restitution, causing an improved fluid-tightness between the opposed stringers.

530983

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