Continuous filament slide fastener with cutaway heels

Details Continuous filament slide fastener with cutaway heels Continuous filament slide fastener with cutaway heels

1981-10-16

1983-12-13

Swiatek, Robert P.

Buckles, buttons, clasps, etc.

Zipper or required component thereof

Interlocking surface constructed from plural elements in series

29410, A44B 1912

Patent

active

044197934

ABSTRACT:
Heel portions of filamentary coupling members have cross-sectional areas that are reduced relative to the cross-sectional areas of the adjoining leg portions by means of the removal of portions of the heels. The reduced cross-sectional areas in the heels of the filamentary members result in easier slider operation and/or greater crosswise slide fastener strength.

REFERENCES:
patent: 3255504 (1966-06-01), Porepp
patent: 3605206 (1971-09-01), Frohlich
patent: 4045846 (1977-09-01), Moertel

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