US PATENT SUBCLASS 19 / 263
.~.~.~.~ Pneumatic

Current as of: June, 1999
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19 /   HD   TEXTILES: FIBER PREPARATION

65 R  DF  WORKING {8}
236  DF  .~ Drafting {7}
258  DF  .~.~ Roll type {9}
262  DF  .~.~.~ With clearing {3}
263.~.~.~.~ Pneumatic

DEFINITION

Classification: 19/263

(under subclass 262) Method or apparatus wherein the undesirable material is removed from the rolls by a system of imbalanced air pressures.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

300.1+, for pneumatic means to clean a work surface.