Buckles – buttons – clasps – etc. – Buckles – One-piece
Patent
1977-06-14
1978-09-12
Gelak, Bernard A.
Buckles, buttons, clasps, etc.
Buckles
One-piece
A44B 1912
Patent
active
041125550
ABSTRACT:
Coupling elements of slide fastener stringers are deformed by transverse forces of mating elements. The longitudinal spacing of coupling elements is modified by stretching or shrinking tape portions supporting the elements.
REFERENCES:
patent: 2018099 (1935-10-01), Sundback
patent: 2300442 (1942-11-01), Wahl
Gelak Bernard A.
Textron Inc.
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