Yarn crimping apparatus and control thereof

Details Yarn crimping apparatus and control thereof Yarn crimping apparatus and control thereof

1988-05-10

1989-09-19

Mackey, Robert R.

Textiles: manufacturing

Thread finishing

Surface modification of running length

28255, D02G 112

Patent

active

048668222

ABSTRACT:
A process and apparatus for crimping yarn wherein the yarn is introduced to the crimping chamber by means of an injector supplied with steam under constant pressure. The position of the wad in the crimping chamber is controlled by the position of discharge regulation means in response to the fluid pressure above the wad to maintain a space above the wad.

REFERENCES:
patent: 3166821 (1965-01-01), Furlong
patent: 3526023 (1970-09-01), Mertens
patent: 3859695 (1975-01-01), Erickson
patent: 3965548 (1976-06-01), James, II et al.
patent: 4162564 (1979-07-01), Stanley
patent: 4462143 (1984-07-01), Oswald et al.

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