Buckles – buttons – clasps – etc. – Zipper or required component thereof – Having coiled or bent continuous wire interlocking surface
Patent
1983-09-30
1985-09-10
Lyddane, Wiliam E.
Buckles, buttons, clasps, etc.
Zipper or required component thereof
Having coiled or bent continuous wire interlocking surface
24433, 24394, 24434, A44B 1900
Patent
active
045397333
ABSTRACT:
A separable slide fastener comprises a pair of stringer tapes each carrying on its inner longitudinal margins a row of coiled filamentary coupling elements sewn to the respective inner tape margin with a core thread extending through each of the coiled coupling element rows, and a separable bottom-end-stop assembly mounted adjacent to the bottom ends of the opposed tapes. The bottom-end-stop assembly includes a pair of separate pin members attached by clinching to the respective inner tape margins at bottom end portions thereof, which portions are devoid of coupling elements, and a socket member secured to one of the pin members and having a bore for receiving a portion of the other pin member. Each of the other pin member has a longitudinal channel receiving the element-free bottom end portion of the respective inner tape-margin. Before attachment of the pin members, the bottom end portion of each inner tape-margin is trimmed or shaped along its inner edge that projects inwardly from the core thread. Thus the inner tape-margin's bottom end portion has a width equal to the width of the channel of the respective pin member and smaller than the width of the remaining portion of the inner tape-margin.
REFERENCES:
patent: 3503102 (1970-03-01), Inazawa
patent: 3507013 (1970-04-01), Inazawa
patent: 3540084 (1970-11-01), Frohlich
patent: 3633257 (1972-01-01), Heimberger
patent: 4244087 (1981-01-01), Akashi
patent: 4354532 (1982-10-01), Tsubata
patent: 4414718 (1983-11-01), Kumano
patent: 4459723 (1984-07-01), Takano et al.
Cranmer Laurie K.
Lyddane Wiliam E.
Yoshida Kogyo K. K.
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