US PATENT SUBCLASS 57 / 66
.~ Receiving twist 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.~ Receiving twist type {7}
66.5  DF  .~.~> Rotating cradle package holder
67  DF  .~.~> Flier type {3}
72  DF  .~.~> Bobbin lag or drag type
73  DF  .~.~> Spindle tip type
74  DF  .~.~> Cap type
75  DF  .~.~> Ring and traveler type
76  DF  .~.~> Centrifugal pots and guides {2}

DEFINITION

Classification: 57/66

Devices in which the winding or receiving element for the strand or filamentary material is rotated or revolved to accomplish the twisting and winding. Twisting couples are classified here and in the subclasses indented hereunder.

(1) Note. For twisting couples combined with covering or wrapping apparatus, see this class, subclass 12.

(2) Note. For multiple receiving twist devices, see this

class, subclasses 58.49+.

(3) Note. For twisting couples combined with delivery twist devices, see this class, subclasses 60 and 61.