Metal working – Means to assemble or disassemble – Slide fastener
Patent
1988-08-08
1989-09-05
Echols, P. W.
Metal working
Means to assemble or disassemble
Slide fastener
29408, A41H 3706
Patent
active
048625850
ABSTRACT:
A pair of top end stops is attached to respective beaded edges of a pair of stringer tapes of a slide fastener chain which is fed along a feed path. A punch and die assembly disposed above the feed path has a pair of pockets for gripping the top end stops, respectively. The die assembly being movable between a horizontal position for receiving the top end stops and a vertical position directly above an attaching position for attaching the top end stops to the stringer tapes. The punch and die assembly is moved from the horizontal position to the vertical position, and then lowered from the vertical position into the attaching position across the feed path. The stringer tapes are spread apart from each other by a thrust lever, and then the punch and die assembly is pressed by a pusher rod to clinch the top end stops gripped in the pockets on the respective beaded edges of the stringer tapes.
REFERENCES:
patent: 3504418 (1970-04-01), Perlman
patent: 3530563 (1970-09-01), Maeda
patent: 3689980 (1972-09-01), Oyama
patent: 4217685 (1980-08-01), Seki
patent: 4332071 (1982-06-01), Takahashi
patent: 4462154 (1984-07-01), Morita
patent: 4697319 (1987-10-01), Umino
Echols P. W.
Yoshida Kogyo K. K.
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