Positive feed mechanism for elastic yarns

Details Positive feed mechanism for elastic yarns Positive feed mechanism for elastic yarns

1999-03-24

2000-08-22

Falik, Andy

Textiles: knitting

Feeding

Positive

B65H 5938, B65H 5122, D02G 332, D04B 1550

Patent

active

061053988

ABSTRACT:
A yarn feeder device for feeding elastic (soft) yarns to a yarn consuming station whose yarn demand fluctuates over time. The device has a control unit which ascertains the current yarn demand or to which the current yarn demand is reported. In accordance with this demand, a yarn feed wheel is driven at a rotary speed suitable for the yarn demand. The yarn travels via a tensioning device to the yarn feed wheel. The tensioning device is arranged such that the yarn is stretched in a defined way. As a result, a fixed association between a desired yarn feed quantity and the rotary speed of the yarn feed wheel is enabled.

REFERENCES:
patent: 3700153 (1972-10-01), Delair et al.
patent: 3962891 (1976-06-01), Rouzaud
patent: 4673139 (1987-06-01), Memminger et al.
patent: 4752044 (1988-06-01), Memminger et al.
patent: 4953367 (1990-09-01), Memminger et al.

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