US PATENT SUBCLASS 57 / 75
.~.~ Ring and traveler 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}
75.~.~ Ring and traveler type

DEFINITION

Classification: 57/75

(under subclass 66) Twisting couples in which one element of the couple comprises a ring and its traveler.

(1) Note. For rings and travelers as elemental subcombinations see this class, subclasses 119+.