US PATENT SUBCLASS 57 / 16
.~.~.~.~ With coaxial covering material supply

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}
13  DF  .~.~ With plural strands {3}
15  DF  .~.~.~ In successive layers {1}
16.~.~.~.~ With coaxial covering material supply

DEFINITION

Classification: 57/16

(under subclass 15) Apparatus wherein the wrapping material is fed from supply reels or bobbins which are mounted for rotation coaxially of the core.