US PATENT SUBCLASS 57 / 73
.~.~ Spindle tip type

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

1 R  DF  APPARATUS AND PROCESSES {45}
66  DF  .~ Receiving twist type {7}
73.~.~ Spindle tip type

DEFINITION

Classification: 57/73

(under subclass 66) Twisting couples in which the tip of the bobbin or spindle is constructed to assist in the twisting operation.