US PATENT SUBCLASS 139 / 218
.~.~.~ Friction material

Current as of: June, 1999
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139 /   HD   TEXTILES: WEAVING

116.1  DF  WEFT MANIPULATION {13}
196.1  DF  .~ Shuttles {7}
212  DF  .~.~ Thread-delivery control {5}
218.~.~.~ Friction material {1}
219  DF  .~.~.~.~> Threader slot {1}

DEFINITION

Classification: 139/218

The thread is drawn over rough or clinging material such as felt, to create resistance.

SEE OR SEARCH CLASS

242, Winding, Tensioning, or Guiding,

522+, and 147+ for a clamp-type tension for running material.