US PATENT SUBCLASS 57 / 404
.~.~ Rotating chamber type

Current as of: June, 1999
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57 /   HD   TEXTILES: SPINNING, TWISTING, AND TWINING

1 R  DF  APPARATUS AND PROCESSES {45}
400  DF  .~ Open end spinning {4}
404.~.~ Rotating chamber type {4}
405  DF  .~.~.~> With strand controlled stopping
406  DF  .~.~.~> With housing for drive or support {1}
408  DF  .~.~.~> With fiber separating and/or feeding {5}
414  DF  .~.~.~> Rotor with fiber accreting portion {3}

DEFINITION

Classification: 57/404

Rotating chamber type:

(under subclass 400) Subject matter wherein the fibers are urged by centrifugal force against a wall portion of a rotating hollow body and advanced axially thereof to be twisted into the free end of the rotating strand.

(1) Note. These devices are usually frustoconical in shape and the fibers slide along the walls of the chamber while advancing from smaller diameter portions toward larger diameter portions.