Buckles – buttons – clasps – etc. – Buckles – One-piece
Patent
1979-09-26
1980-11-11
Frazier, Roy D.
Buckles, buttons, clasps, etc.
Buckles
One-piece
2420511F, A44B 1940
Patent
active
042324327
ABSTRACT:
A separable slide fastener comprises a pair of oppositely disposed stringers each having a support tape and a fastener element formed from a plastic monofilament into a continuous structure having coupling head portions, upper legs, lower legs and connecting heel portions and secured by sewn seams to a longitudinal inner edge of the respective tape, a reinforcing core extending through the coiled fastener element and a slider having a pair of branched guide channels defined between its flanges and diamond. A group of successive loops of the fastener element are fused together over a predetermined length at one end of the fastener and cut closely along the sewn seams to provide a pair of integrated pin members on the respective stringers. The group of fused loops on one stringer has a plurality of coupling head portions transferred from the other stringer. One of the pin members includes a locking lug having a transverse length substantially equal to or slightly greater than the width of one of the branched guide channels of the slider.
REFERENCES:
patent: 3224061 (1965-12-01), Taylor
patent: 3485691 (1969-12-01), Waldes
patent: 3490970 (1970-01-01), Heimberger
patent: 3964137 (1976-06-01), Kihara
patent: 4001922 (1977-01-01), Ward, Jr.
patent: 4045845 (1977-09-01), Kando
patent: 4047264 (1977-09-01), Takahashi
Aschenbrenner Peter A.
Frazier Roy D.
Yoshida Kogyo K.K.
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