Buckles – buttons – clasps – etc. – Buckles – One-piece
Patent
1975-01-09
1976-08-24
Gelak, Paul P.
Buckles, buttons, clasps, etc.
Buckles
One-piece
2420516D, 2420513C, A44B 1940, A44B 1912
Patent
active
039758028
ABSTRACT:
A stringer for a slide fastener is formed by assembling head portions of a spiral coupling element through slots in a support member which is folded and secured to retain the spiral coupling element by strap portions between the slots extending at an oblique angle to the folded edge.
REFERENCES:
patent: 1609487 (1926-12-01), Marinsky
patent: 1937297 (1933-11-01), Sundback
patent: 2018099 (1935-10-01), Sundback
patent: 3430304 (1969-03-01), Swainson
patent: 3517422 (1970-06-01), Uhrig
patent: 3854174 (1974-12-01), Yoshida
Gelak Paul P.
Textron Inc.
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