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US 4,030,743 AGranted
Synthetic yarn device
AssigneeMilliken Research Corporation
InventorWilliam P. Warthen
Life of this patent
Estimating the term…
Abstract
Apparatus and method to prevent the slippage of a knot in tied synthetic yarn so that the tied yarns will not separate in the textile operation. The knotted yarns to be locked together actuate the switch to apply heat to the yarns to lock the knot in the yarns and sever the tails of the tied yarns.
Claims2
An apparatus to sever the tails of two tied yarns comprising:
- a source of power, heater means operably associated with and mounted on said source of power, switch means mounted on said source of power in line with said heater means on one side thereof, a notched plate mounted on said source of power on the other side of said heater means in line with said switch means and a slot in said switch means in line with the notch in the notched plate to accommodate a tied yarn.
Dependencies are inferred from the claim text.