US PATENT SUBCLASS 57 / 58.63
.~.~ Spaced, driven flyer members


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}
58.63.~.~ Spaced, driven flyer members


DEFINITION

Classification: 57/58.63

(under subclass 58.49) Means including synchronously rotated loop-forming flyer members whose centers of rotation are located, one on either side of the strand package, at axially spaced points on the path of travel of the strand.

(1) Note. For inclusion in this subclass, the invention must relate to plural flyers individually driven. Patents directed to plural connected flyers, only one of which is driven, are classified according to characteristics other than the multi-part nature of the strand revolving means.