US PATENT SUBCLASS 28 / 139
.~.~.~ By reciprocating member, e.g., platen

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}
139.~.~.~ By reciprocating member, e.g., platen

DEFINITION

Classification: 28/139

(under subclass 116) Method or apparatus wherein the working or kneading of an article or structure occurs between opposed, confronting elongate noncircular elements, at least one of which is provided with a to-and-fro movement.