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Process for manufacturing in crochet galloon machines ribbons for tear type quick-closing devices, and a crochet galloon machine for manufacturing said ribbons
Process for manufacturing in crochet galloon machines ribbons for tear type quick-closing devices, and a crochet galloon machine for manufacturing said ribbons
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机译:在钩编加绒机中制造用于撕开式快速关闭装置的色带的方法,以及用于制造所述色带的钩编加仑机。
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摘要
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.PPA 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.
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