Optical strand sensor for detecting a filament being wound and t

Details Optical strand sensor for detecting a filament being wound and t Optical strand sensor for detecting a filament being wound and t

1978-07-27

1979-07-10

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Stopping or starting

D01H 1316

Patent

active

041603605

ABSTRACT:
A guide is placed between a strand of fibers and a winder, which twists the strand as it is wound. The guide is circular so the strand may be maintained in an unconstrained twisting path between the receiver and the supply as it is being wound and twisted and includes an optical sensor mounted about the area of movement of the filament to detect the presence of the filament and stop the winding process if the strand breaks.

REFERENCES:
patent: 3158852 (1964-11-01), Schacher
patent: 3772524 (1973-11-01), Erbstein
patent: 3840869 (1974-10-01), Pugh

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