Rapier loom having a picking mechanism adjustable to yarn proper

Details Rapier loom having a picking mechanism adjustable to yarn proper Rapier loom having a picking mechanism adjustable to yarn proper

1992-06-18

1993-09-07

Falik, Andrew M.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

139446, 139448, D03D 4718

Patent

active

052419940

ABSTRACT:
A rapier loom has a picking mechanism in which one rapier (a giver rapier) transfers a weft yarn to another rapier (a taker rapier) in mid-shed. Each rapier is oscillated toward and away from one another by a drive and includes a yarn clamp which is actuated by a clamp opener to provide reliable yarn transfer from one rapier to the other. The rapier drives and/or clamp openers are driven by programmed servomotors. In this way, the velocities of the rapiers and/or the interval in which the clamp openers are opened can be adjusted according to the properties of the particular weft yarns used to ensure reliable transfer without damaging the yarn.

REFERENCES:
patent: 4022253 (1977-05-01), Trost
patent: 4630651 (1986-12-01), Windischbauer

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