Apparatus for controlling application of warp sections during wa

Details Apparatus for controlling application of warp sections during wa Apparatus for controlling application of warp sections during wa

1977-04-21

1978-02-21

Rimrodt, Louis K.

Textiles: manufacturing

Warp preparing or handling

With means responsive to sensed condition

28191, 28194, D02H 1326

Patent

active

040744043

ABSTRACT:
An apparatus for controlling the application of warp sections during warping, wherein a winding of predetermined length of warp threads and application height should be exposed to a warping operation wherein successive threads withdrawn from the bobbins of a bobbin creel and each delivered by means of a stop motion, thread brake to a warping reed and at that location formed into a warp section upon the winding drum of a winding machine. According to the invention there are provided means for calculating at any point in time a theoretical, momentary reference-application of the wound-up warp sections on the basis of fixed data inherent to the material undergoing warping and the number of revolutions of the winding drum. Further, means serve to measure at the same point in time the actual application, and means are provided for comparison of the calculated momentary reference-application with the measured momentary actual-application at such point in time and for generating a signal in the presence of deviations, this signal bringing about a correction by adjusting the thread tension of the thread withdrawn from the creel.

REFERENCES:
patent: 1096702 (1914-05-01), Fleischer et al.
patent: 2252419 (1941-08-01), Slaughter
patent: 2674110 (1954-04-01), Roughsedge et al.
patent: 2688789 (1954-09-01), Durgee
patent: 3409194 (1968-11-01), Whitehead
patent: 3599300 (1971-08-01), Timbie
patent: 3777959 (1973-12-01), Seneg

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