Method and device for starting up injector nozzles

Details Method and device for starting up injector nozzles Method and device for starting up injector nozzles

1974-08-05

1976-07-20

Schacher, Richard A.

Advancing material of indeterminate length

Processes

By fluid current

226 89, 226 91, 226 97, B65H 1732

Patent

active

039702316

ABSTRACT:
To facilitate the introduction of running yarns into injector nozzles the cross section of the inlet openings of the said nozzles are enlarged before the yarns are laid in, the yarns are sucked into the enlarged openings and subsequently the openings are reduced to their initial dimensions. The injector nozzles are preferably used in jet stufferbox texturizing processes or with suction guns. Without special threading aids, yarns and threads supplied at high speed are sucked in automatically and conveyed into spaces under elevated pressure.

REFERENCES:
patent: 2661588 (1953-12-01), Griset
patent: 3296679 (1967-01-01), Jobson
patent: 3423000 (1969-01-01), Heinen

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