Portable device for treating surfaces

Details Portable device for treating surfaces Portable device for treating surfaces

B - Operations, Transporting

24

B

51/2

B24B 1/00 (2006.01) B24C 3/06 (2006.01) E01H 1/08 (2006.01)

Patent

CA 1179847

PORTABLE APPARATUS FOR TREATING SURFACES Abstract of the Disclosure A portable apparatus for treatment of surfaces, preferably horizontal, comprising a centrifugal wheel for projecting abrasive particles onto the surface at an angle within the range of 30° to 80° with the surface, a feed hopper for supplying abrasive particles to the wheel, a re- bound corridor of decreasing cross-section extending angular- ly upwardly and into which the abrasive particles rebound upon striking the surface and means for returning abrasive particles rebounding through the corridor to the hopper.

272165

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