Molded top stop and apparatus and method of manufacture

Details Molded top stop and apparatus and method of manufacture Molded top stop and apparatus and method of manufacture

1975-07-28

1977-07-12

Gelak, Bernard A.

Buckles, buttons, clasps, etc.

Buckles

One-piece

A44B 1936

Patent

active

040344452

ABSTRACT:
Molded top stops for a slide fastener have inner edges extending substantially in alignment with the inner edges of the interlocking elements and have bottom edges extending at acute angles upward and away from the interlocking elements. Further, during the molding of the top stops, extra interlocking element sections and the like are trimmed by trimming edge features on a horn tip cooperating with an anvil portion of a die.

REFERENCES:
patent: 1785740 (1930-12-01), Legat
patent: 1916390 (1933-07-01), Rutherford
patent: 1960202 (1934-05-01), Carr
patent: 2832119 (1958-04-01), Neitlich
patent: 3862474 (1975-01-01), Ebata
patent: 3869765 (1975-03-01), Fukuroi
patent: 3872552 (1975-03-01), Hofius
patent: 3906594 (1975-09-01), Takahashi

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