Button collet and method and apparatus for making the same

Details Button collet and method and apparatus for making the same Button collet and method and apparatus for making the same

1987-06-03

1988-11-08

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Button with fastener

Covers

24108, 29715, 29445, 227 15, A44B 118

Patent

active

047825596

ABSTRACT:
A domed cap button collet and the method and apparatus for the manufacture of same by deforming a flat domed button collet having an elastic body including: a shank; a radially extending plate-like flange located one end of the shank; and, a cap formed of malleable material overlying the outer surface of the flange and crimped to the peripheral portion of the flange. Pressure is simultaneously applied to bend the flange and cap member into a substantially convex dome shape. Upon removal of the pressure, the cap member retains its dome shape and the flange member reverts to its original plate-like configuration.

REFERENCES:
patent: 553938 (1896-02-01), Reichelt
patent: 562859 (1896-06-01), Smith
patent: 2835948 (1958-05-01), Blake
patent: 3500507 (1970-03-01), Malhenzie et al.
patent: 3517874 (1970-06-01), Cressy
patent: 3644965 (1972-02-01), Kahn
patent: 3973296 (1976-08-01), Peterson
patent: 4035874 (1977-07-01), Liljendahl
patent: 4457050 (1984-07-01), Kanzaka
patent: 4475273 (1984-10-01), Konno
patent: 4541148 (1985-09-01), Watanabe

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