Buckles – buttons – clasps – etc. – Buckles – One-piece
Patent
1979-11-23
1982-03-30
Frazier, Roy D.
Buckles, buttons, clasps, etc.
Buckles
One-piece
242051C, 2420513C, A44B 1910
Patent
active
043217338
ABSTRACT:
A slide fastener stringer includes a stringer tape having a pair of opposite surfaces, and a series of fastener elements sewn to the stringer tape on one of the surfaces thereof along its one longitudinal edge by utilizing single thread chain stitches formed with a monofilament thread having a coefficient of thermal contraction. The sewing thread has a succession of loops disposed on the other surface of the tape, each loop being intralooped with a preceding loop of the same thread such that the crossing of these adjacent two loops is disposed between adjacent two of the fastener elements, as viewed in a direction perpendicular to the general plane of the tape. The monofilament thread, after sewn to the tape, is heat-set to shrink and then become dimensionally stable, thereby holding the fastener elements more tightly on the tape.
REFERENCES:
patent: 3128518 (1964-04-01), Steingrubner
patent: 3436041 (1969-04-01), Haller
patent: 3456306 (1969-07-01), Heimberger
patent: 3783476 (1974-01-01), Frohlich
patent: 3855671 (1974-12-01), Fujisaki
patent: 4182006 (1980-01-01), Yoshida
patent: 4182007 (1980-01-01), Yoshida
Federal Standard: Stitches, Seams, and Stitchings, Fed. Std. No. 751, Aug. 14, 1959, Stitch Type 101 & 401.
Aschenbrenner Peter A.
Frazier Roy D.
Yoshida Kogyo K.K.
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