(under subclass 28) Method utilizing an unbonded particulate mass through or across which work is carried, or which accomplishes its cutting function during motion as a fluid body.
SEE OR SEARCH THIS CLASS, SUBCLASS:
32+, for abrading by tumbling.
59+, for a method of abrading in which an unbonded particulate film is dependent for cutting contact upon frictional forces thereon developed by a backup plate having motion relative to and paralleling the work surface.
SEE OR SEARCH CLASS
15, Brushing, Scrubbing, and General Cleaning,
95, for cleaning hollow ware by agitation of particulate material within the ware. 29, Metal Working,
90.01+, for burnishing or compacting by shot blasting.