(under subclass 75) Abrading machine including particular means for feeding abrasive material (or propellant) to the blast conduits in a sandblasting machine.
SEE OR SEARCH THIS CLASS, SUBCLASS:
446+, for other abradant supply structure.
SEE OR SEARCH CLASS
222, Dispensing, for a dispenser of pulverulent material in general.
239, Fluid Sprinkling, Spraying, and Diffusing, for other distributor structure, especially
336, for the discharge of a fluent solid, and subclass 379 where the material to be projected is contained in a hopperlike receptacle usually used for solids.
291, Track Sanders, for a sand supply for applying traction-improving, abrasive material to a vehicle supporting rail.
406, Conveyors: Fluid Current,
108+, for a fluid current conveyor having feeding means.
