Weft yarn store and an electromagnetic yarn clamp therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 25, 1989
Grant Date -
N/A
app pub date -
Apr 8, 1988
filing date -
Apr 8, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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