US PATENT SUBCLASS 57 / 58.54
.~.~.~ Plural multiple twist devices

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  DF  .~.~ With stranding or plying (e.g., doubling) {2}
58.54.~.~.~ Plural multiple twist devices {1}
58.55  DF  .~.~.~.~> Tandemly arranged

DEFINITION

Classification: 57/58.54

(under subclass 58.52) Means provided with two or more complete unitary multiple twist units operating on strands to be stranded or laid together.

(1) Note. A multiple twist unit is composed of a strand package and means to revolve at least one loop of the strand about such package.