Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1991-01-28
1992-09-01
Kisliuk, Bruce M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51429, 51180, B24C 900
Patent
active
051428318
ABSTRACT:
A surface treating device for treating a surface having a corner formed by obstacles such as walls or curbs. The apparatus comprises a housing supported on a movable frame. An opening in the housing defines a blast zone on the surface to be treated. A hopper collects abrasive material and directs it to a propeller. The propeller propels the abrasive material from the hopper toward the blast zone with sufficient kinetic energy that the material rebounds from the surface into a rebound corridor. The rebound corridor has a first linear portion which forms the forward most aspect of the apparatus, and the first linear portion is substantially perpendicular to the surface being treated. From the rebound corridor, the recovered abrasive is returned to the hopper. The apparatus has a rotatable, adjustable handle to facilitate movement alongside and under obstacles. A push plate is provided on the rear of the frame under the handle, thereby making it easier to move the apparatus.
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Kisliuk Bruce M.
Morgan Eileen
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