Process for manufacturing in crochet galloon machines ribbons fo

Details Process for manufacturing in crochet galloon machines ribbons fo Process for manufacturing in crochet galloon machines ribbons fo

1999-12-06

2000-10-17

Worrell, Danny

Textiles: knitting

United needle machines

Straight

66 85R, D04B 2316

Patent

active

06131420&

ABSTRACT:
It is described a process for manufacturing in crochet galloon machines, ribbons of synthetic fabric provided with flexible hooks for quick-closing devices of the tear type, which process comprises a previous step of knitting a ribbon in which successive sequences of loops are formed. The ribbon is then submitted to a heat treatment adapted to substantially stiffen said loops previously shaped in an angle-bent conformation. Then a cutting operation is carried out on the stiffened loops so as to obtain one hook from each of them.
A crochet galloon machine is also provided for forming said ribbons of synthetic fabric, said machine comprising a plurality of shaping elements adapted to form successive sequences of loops with the weft threads, a heat-treatment unit for setting the geometric shape of the loops, and a cutting device intended for cutting off the stiffened loops so as to obtain one hook from each of them.

REFERENCES:
patent: 3685474 (1972-08-01), Frohlich et al.
patent: 4551995 (1985-11-01), Louison
patent: 4845962 (1989-07-01), Zorini
patent: 5642631 (1997-07-01), Zorini

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