High speed yarn twister with fluid propelled yarn guide

Details High speed yarn twister with fluid propelled yarn guide High speed yarn twister with fluid propelled yarn guide

1996-01-05

1997-08-19

Stodola, Daniel P.

Textiles: spinning, twisting, and twining

Apparatus and processes

Receiving twist type

57125, 57334, D01H 100

Patent

active

056576226

ABSTRACT:
A yarn twister mechanically twists a filamentary yarn prior to take-up so as to improve filament-to-filament cohesion. The yarn twister most preferably includes an annular housing defining an annular race in which a follower element is orbitally movable. Pressurized fluid (e.g., air) is introduced substantially tangentially into the race so as to propel the follower in an orbital path along the race. The follower includes a yarn guide element which radially extends through an annular slot in the housing into the housing's cylindrical interior region. The pressurized fluid is discharged through the slot into the cylindrical interior region of the housing so as to provide a fluid bearing for the follower. In use, the traveling yarn will thereby be guided through the yarn guide so that orbital movement of the follower will responsively impart a desirable twist to the yarn so as to increase the filament-to-filament cohesion of the yarn.

REFERENCES:
patent: Re27717 (1973-08-01), Breen et al.
patent: 588817 (1897-08-01), Draper
patent: 1542500 (1925-06-01), Gordon
patent: 3324643 (1967-06-01), Kluttz
patent: 3903689 (1975-09-01), Chilpan
patent: 4034546 (1977-07-01), Hashizume
patent: 4319450 (1982-03-01), Igel
patent: 4372107 (1983-02-01), Hart

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