US PATENT SUBCLASS 57 / 12
.~.~ With twisting of core or product

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

1 R  DF  APPARATUS AND PROCESSES {45}
3  DF  .~ Covering or wrapping {10}
12.~.~ With twisting of core or product

DEFINITION

Classification: 57/12

(under subclass 3) Apparatus wherein means is provided in addition to the covering or wrapping means to twist the core concomitantly with the covering thereof, or to twist the completed strand, including the core, following or simultaneously with the application of the covering.

SEE OR SEARCH THIS CLASS, SUBCLASS:

60, 61, 66+, for twisting couples, per se.