Low-inertia positive feed mechanism for elastomer yarns

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 51/04 (2006.01) B65H 51/30 (2006.01) B65H 59/16 (2006.01) D04B 15/50 (2006.01)

Patent

CA 2265979

A yarn feeder device for feeding elastic (soft) yarns to a yarn consuming station whose yarn demand fluctuations over time 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 possible.

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