Method of and apparatus for manufacturing a continuous slide fas

Details Method of and apparatus for manufacturing a continuous slide fas Method of and apparatus for manufacturing a continuous slide fas

1982-06-23

1984-04-24

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Of a slide fastener

29410, 29 332, B21D 5352, B21D 5350, A41H 3706

Patent

active

044439237

ABSTRACT:
A method of and apparatus for manufacturing a continuous slide fastener stringer chain including space portions devoid of coupling elements at longitudinal intervals. A pair of continuous stringer tapes is continuously fed, in synchronism with sewing machine, to a sewing area of the sewing machine, while a pair of interengaged rows of coupling elements is intermittently fed, in synchronism with the sewing machine, to the sewing area. A length of coupling elements is cut off from the pair of interengaged rows of continuous coupling elements each time the latter stops moving.

REFERENCES:
patent: 3225430 (1965-12-01), Fasciano
patent: 3470133 (1970-01-01), Glindmeyer et al.
patent: 3685130 (1972-08-01), Doerter
patent: 3812573 (1974-05-01), Fukouri
patent: 4232438 (1980-11-01), Takahashi et al.
patent: 4242785 (1981-01-01), Shimai
patent: 4404722 (1983-09-01), Shimai

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