Coupling element for slide fastener

Details Coupling element for slide fastener Coupling element for slide fastener

1989-12-26

1991-02-05

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Zipper or required component thereof

Having coiled or bent continuous wire interlocking surface

24392, A44B 1940

Patent

active

049893009

ABSTRACT:
A coupling element for slide fastener is formed from a monofilamentary material such as polyester, nylon and like thermoplastic resins into a continuous meandering or zig-zag structure having a substantially semi-circular transverse cross-section, the coupling element having a coupling head, an upper leg and a lower leg extending oppositely from said head in parallel spaced apart relation and a heel interconnecting each of the upper and lower legs. The heel is oriented by rotation through 90.degree. or 180.degree. and protrudes at least in part beyond the outer surface of the leg thereby providing increased surface area of the heel for sliding contact with a slider.

REFERENCES:
patent: 1407370 (1922-02-01), Blee et al.
patent: 2919482 (1960-01-01), Casson
patent: 3015868 (1962-01-01), Ruhrmann et al.
patent: 3247871 (1966-04-01), Lacam et al.
patent: 3336640 (1967-08-01), Chery
patent: 3613180 (1971-10-01), Burbank
patent: 3947931 (1976-04-01), Takamatsu

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