Buckles – buttons – clasps – etc. – Buckles – One-piece
Patent
1980-11-04
1982-09-14
Hirsch, Paul J.
Buckles, buttons, clasps, etc.
Buckles
One-piece
2420516R, A44B 1904, A44B 1932
Patent
active
043487890
ABSTRACT:
In a slide fastener employing coupling elements secured within folds of supporting tapes by clamps secured over the folds, clamp legs are formed with raised land areas and lips for cooperating with flange edges and upper surfaces of bases of the elements, and the inside surfaces of heels of the clamps are formed flat for cooperating with bottom surfaces of the elements to accurately position the elements relative to the clamps. Reduced thickness of the junctions between legs and heels relative to the thickness of central portions of the legs and heels produces corners receiving displaced tape material from between the raised land areas of the legs and the outer edges of flanges of the coupling element as well as from between the bottom surfaces of the bases of the coupling elements and the flat inner surfaces of the heels.
REFERENCES:
patent: 2775012 (1956-12-01), Mulka
patent: 2791017 (1957-05-01), Mulka
patent: 2800157 (1957-07-01), Mulka
patent: 2928156 (1960-03-01), Doelter et al.
patent: 3005247 (1961-10-01), Doelter
patent: 3030683 (1962-04-01), Doelter
patent: 3167834 (1965-02-01), Schmiele
patent: 4275467 (1981-06-01), Doelter
Hirsch Paul J.
O'Brien Anthony A.
Talon, Inc.
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