Zipper slide

Details Zipper slide Zipper slide

1995-08-18

1997-02-25

Brittain, James R.

Buckles, buttons, clasps, etc.

Zipper or required component thereof

Slider having specific configuration, construction,...

A44B 1930

Patent

active

056049625

ABSTRACT:
A zip-fastener slide with pull tab can be manufactured in one single injection step. For this purpose the opening beneath the bow on the slide body, serving to secure the pull tab, is fashioned by four movable mould cores. The four mould cores are shifted into the mould before injection, and withdrawn in order to eject the finished slide again from the mould. Similarly it is also possible to provide a locking cam which, when in the inoperative position, projects into the intermediate space between two zipper links and blocks the movement of the slide. By means of pulling on the pull tab, the locking cam can be withdrawn from this intermediate space, and the slide can be released.

REFERENCES:
patent: 1890336 (1932-12-01), Nodine
patent: 2274161 (1942-02-01), Poux
patent: 2509278 (1950-05-01), Scheuermann et al.
patent: 2736062 (1956-02-01), Scheuermann et al.
patent: 3419943 (1969-01-01), Heinberger
patent: 4210196 (1980-07-01), Weiner
patent: 5054183 (1991-10-01), Mayerhofer
patent: 5073103 (1991-12-01), Liao
patent: 5079820 (1992-01-01), Mayerhofer

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