Weft yarn tensioning device

Textiles: weaving – Weft manipulation – Weaving with stationary weft supply

Patent

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Details

139450, 139453, D03D 4725, D03D 4734

Patent

active

045137927

ABSTRACT:
The weft yarn tensioning device is employed in a weft changing operation for a weaving machine. The tensioning device has a rod which oscillates at the cadence of the weaving machine transversely of the weft yarn group. The rod deflects the yarns to retaining elements which hold the deflected yarns during upward movement of the rod. A control device is provided for the retaining elements whereby the weft yarn which is to be picked can be released during the upward movement of the rod. The retaining elements can be electromagnetically operated or mechanically operated.

REFERENCES:
patent: 3315708 (1967-04-01), Scheffel
patent: 3340903 (1967-09-01), Golobart
patent: 4114658 (1978-09-01), Turbin

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