Apparatus for manufacturing slide fasteners

Details Apparatus for manufacturing slide fasteners Apparatus for manufacturing slide fasteners

1979-12-21

1981-11-17

Combs, Ervin M.

Metal working

Means to assemble or disassemble

Slide fastener

B23P 1904

Patent

active

043002838

ABSTRACT:
A pair of continuous slide fastener stringers is longitudinally fed by longitudinally reciprocable grip means and driving roller means that is selectively actuatable. As the slide fastener stringers are advanced, one of the stringers is threaded through a slider held fixedly in its path of travel. The slide fastener stringers are cut off transversely across element-free gaps, and then the severed stringer pieces are moved forwardly until their leading end portions are positioned in a molding device, which molds a separable end stop on the leading end portions. The driving roller means is continuously driven to advance the slide fastener stringers until element-free gaps arrive at the cutter means, whereupon the driving roller means is de-energized.

REFERENCES:
patent: 2219165 (1940-10-01), Nedal
patent: 3340594 (1967-09-01), Frohlich et al.
patent: 3353256 (1967-11-01), Frohlich et al.
patent: 3445912 (1969-05-01), Perlman
patent: 3504418 (1970-04-01), Perlman
patent: 3698064 (1972-10-01), Uhrig
patent: 3714698 (1973-02-01), Fukuroi
patent: 3863321 (1975-02-01), Perlman
patent: 4110891 (1978-09-01), Akashi
patent: 4236292 (1980-12-01), Orr et al.

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