Double-layer water-proof zipper

Details Double-layer water-proof zipper Double-layer water-proof zipper

1999-03-02

2000-07-25

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Zipper or required component thereof

With distinct member for sealing surfaces

24384, 24396, A44B 1932

Patent

active

060922664

ABSTRACT:
A double-layer water-proof zipper in which the slide has an additional second interlocking unit moved with the slide to close a water-proof layer so as not to let rain pass through the interlocked teeth of the zipper tape unit of the zipper. The water-proof layer includes two water-proof tapes, the water-proof tapes each having two longitudinally extended parallel grooves and two longitudinally extended protruding portions respectively raised along said parallel grooves at one side for interlocking.

REFERENCES:
patent: 3490109 (1970-01-01), Heimberger
patent: 3668745 (1972-06-01), Krupp
patent: 4817252 (1989-04-01), Kusayama
patent: 4987657 (1991-01-01), Moreland
patent: 5386616 (1995-02-01), Norvell

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