Apparatus for setting nip pressure of belts in false twister

Details Apparatus for setting nip pressure of belts in false twister Apparatus for setting nip pressure of belts in false twister

1977-12-12

1979-03-20

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

False twist device

57346, D02G 106, D01H 792

Patent

active

041447018

ABSTRACT:
An apparatus for setting and maintaining the nip pressure at a predetermined level in a false twister where two belts running in opposite directions are crossed in such a state that the surfaces of both the belts are contacted with each other and a yarn is nipped at this crossing point by the two belts to impart false twists to the yarn is disclosed. This nip pressure setting apparatus includes a device for compensating variations of the nip pressure where according to decrease of the nip pressure, at least one of pulleys supporting the belts is moved in a direction approaching to the opposite belt so as to increase the nip pressure and maintain it at a predetermined level.

REFERENCES:
patent: 2262589 (1941-11-01), Peck
patent: 2592818 (1952-04-01), Moessinger
patent: 3045416 (1962-07-01), Ubbelohde
patent: 4012897 (1977-03-01), Ogura
patent: 4047373 (1977-09-01), Takai

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