US PATENT SUBCLASS 28 / 132
.~.~.~.~.~.~ Reciprocating or oscillating opposed surfaces

Current as of: June, 1999
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28 /   HD   TEXTILES: MANUFACTURING

100  DF  TEXTILE PRODUCT FABRICATION OR TREATMENT {4}
103  DF  .~ Fiber entangling and interlocking {4}
116  DF  .~.~ Compressive manipulation {8}
123  DF  .~.~.~ Of nonplanar article or fabric {2}
125  DF  .~.~.~.~ Coil or circular article manipulation {3}
130  DF  .~.~.~.~.~ By driven and opposed surfaces {2}
132.~.~.~.~.~.~ Reciprocating or oscillating opposed surfaces

DEFINITION

Classification: 28/132

(under subclass 130) Method or apparatus wherein both confronting members are provided with reciprocating or oscillating movement.