Thread pull-off aid of variable geometrical configuration for th

Details Thread pull-off aid of variable geometrical configuration for th Thread pull-off aid of variable geometrical configuration for th

1984-03-22

1985-09-24

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Unitary multiple twist devices

242128, D01H 1310, D01H 1324, B65H 4900

Patent

active

045426180

ABSTRACT:
A pull-off aid of variable geometrical configuration for the overhead drawing-off of a thread (a,a') to be would onto a bobbin (1) from a feed or creel bobbin (11) mounted on a bobbin carrier, has an outer diameter which is variable by a control pulse which is dependent upon the increasing diameter of the bobbin (1) being wound and thereby upon the decreasing diameter of the feed or creel bobbin from which the thread is being drawn. To this end, a diameter sensor (2), by which the control pulse is initiated, responds when the bobbin being wound has reached a predetermined diameter.

REFERENCES:
patent: 2732142 (1956-01-01), Grein
patent: 2956756 (1960-10-01), Halkyard
patent: 3284024 (1966-11-01), Franzen
patent: 3323299 (1967-06-01), Heimes
patent: 3950927 (1976-04-01), Kallman
patent: 4017037 (1977-04-01), Kovaleski
patent: 4078371 (1978-03-01), Hatcher et al.
patent: 4439979 (1984-04-01), Winkelmann

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