US PATENT SUBCLASS 57 / 90
.~ Feeding


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

1 R  DF  APPARATUS AND PROCESSES {45}
90.~ Feeding {1}
91  DF  .~.~> Irregular


DEFINITION

Classification: 57/90

Rotary devices or means for positively moving or conducting strand or filamentary material to or through a twisting or spinning machine.

(1) Note. For means for feeding hair, grass or the like to twisting machines, see this class, subclass 30.

(2) Note. Feeding devices in the form of capstans mounted within twisting fliers are in this class, subclass 68.

(3) Note. For feeding means stopping, see this class, subclasses 78+, particularly subclasses 83+.

SEE OR SEARCH CLASS

226, Advancing Material of Indeterminate Length appropriate subclasses for methods of, and apparatus for, feeding material without utilizing the leading or trailing ends to

effect movement of the material.