Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-06-13
1992-02-25
Kisliuk, Bruce M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51424, 51426, 51429, 51432, B24C 900
Patent
active
050901621
ABSTRACT:
A mobile surface treating apparatus having a plurality of nonvertically aligned debris removal means. The apparatus comprises a housing supported on a wheeled platform. An opening in the bottom of the housing defines the area of the surface to be treated. A hopper in the housing collects abrasive material and directs it to the opening. A propeller propels the abrasive material from the hopper toward the opening so that the abrasive material impacts the surface at an angle and rebounds therefrom into a rebound corridor in the housing. From the rebound corridor, the recovered abrasive material is received in a first funnel which delivers the abrasive material in a stream to the first end of a transfer corridor. A propeller or an elevator moves the abrasive material to the second end of the transfer corridor, where it is received in a second funnel. The second funnel empties into the hopper. Air flow intersects the curtains or streams of abrasive material from each funnel and debris is thereby separated and removed form the recovered abrasive material.
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Kisliuk Bruce M.
Marlott John A.
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