Weft yarn store and an electromagnetic yarn clamp therefor

Details Weft yarn store and an electromagnetic yarn clamp therefor Weft yarn store and an electromagnetic yarn clamp therefor

1988-04-08

1989-07-25

Jaudon, Henry S.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

D03D 4734

Patent

active

048504017

ABSTRACT:
The weft yarn store includes a stationary drum for a supply of weft yarn as well as an electromagnetic yarn clamp for retaining the weft yarn on the drum periphery. The clamp includes a locking pin which is connected to an armature of the electromagnet for pressing a yarn against an abutment surface of the drum. The electromagnetic yarn clamp is also provided with apertures through which cooling air may flow into and through the clamp in order to cool the winding and armature. In addition, the cooling air may be directed onto the abutment surface of the drum to keep this area free from deposits of fluff.

REFERENCES:
patent: 3599128 (1971-08-01), Fruth
patent: 3944774 (1976-03-01), Noba et al.
patent: 4203084 (1980-05-01), Yamaguchi et al.
patent: 4632155 (1986-12-01), Maina

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