US PATENT SUBCLASS 57 / 58.52
.~.~ With stranding or plying (e.g., doubling)

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

1 R  DF  APPARATUS AND PROCESSES {45}
58.49  DF  .~ Unitary multiple twist devices {8}
58.52.~.~ With stranding or plying (e.g., doubling) {2}
58.54  DF  .~.~.~> Plural multiple twist devices {1}
58.57  DF  .~.~.~> With false twist

DEFINITION

Classification: 57/58.52

(under subclass 58.49) Apparatus comprising a multiple twist device which is additionally effective to strand, ply, or intertwine two or more strands, or the combination of a multiple twist device with stranding, plying, or intertwining means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

14, 63 and 64, for intertwining or intertwisting means not necessarily associated with a unitary multiple twist device.