Process and apparatus for reducing the lead-in thread length in

Details Process and apparatus for reducing the lead-in thread length in Process and apparatus for reducing the lead-in thread length in

1999-03-11

2000-09-26

Worrell, Danny

Textiles: knitting

Feeding

With clamp or cutter

D04B 3500

Patent

active

061229393

ABSTRACT:
A process and an apparatus for reducing the length of the lead-in thread in double-cylinder circular hosiery-making or knitting machines in which the thread, fed by a corresponding thread guide, is clamped at its end, before knitting begins, by a thread cutting and clamping device which laterally faces the needle cylinders of the machine downstream of the position of the thread guide, relative to the direction in which the needle cylinders rotate about their own axis, with respect to the thread guide and to the cutting and clamping device. The process consists in keeping the thread clamped by the cutting and clamping device even after the thread has been taken up by the needles at the beginning of the knitting process, and in cutting the portion of thread which, at the beginning of the knitting process, lies between the first needle that took up the thread and the point where the thread is clamped in the cutting and clamping device. The thread is cut by means of a lead-in cutting device adjacent to the first needle that took up the thread and therefore the lead-in is very short and requires no further cutting.

REFERENCES:
patent: 3760608 (1973-09-01), Lonati
patent: 3803878 (1974-04-01), Lonati
patent: 5186027 (1993-02-01), Tenconi
patent: 5943883 (1999-08-01), Plath et al.

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