Method and device for spacing continuously manufactured zip fast

Details Method and device for spacing continuously manufactured zip fast Method and device for spacing continuously manufactured zip fast

1980-02-21

1982-06-01

Crane, Daniel C.

Metal working

Method of mechanical manufacture

Of a slide fastener

29410, 29770, 29766, 83921, B29D 500, A41H 3706, B23P 1904

Patent

active

043320724

ABSTRACT:
The invention relates to a method and a device for spacing continuously manufactured zip fasteners having connection elements constituted by a monofilament of meander or spiral form rigid with the edges of supporting tapes. The method consists in removing by cutting firstly the central part of the connection elements of the two coupled tapes, and then removing the open lateral loops of the meanders or spirals by passing under tension the zone of the coupled tapes from which the central part of the connection elements has been removed, over a deviation member in such a manner that the tapes partly wrap said deviation member.

REFERENCES:
patent: 3054168 (1962-09-01), Ruhrmann
patent: 3225430 (1965-12-01), Fasciano
patent: 3711930 (1973-01-01), Potin
patent: 3763546 (1973-10-01), Perlmann
patent: 4206544 (1980-06-01), Shimai
patent: 4206669 (1980-06-01), Fisher et al.

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