Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1992-06-11
1994-03-08
Rose, Robert A.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51425, B24C 306
Patent
active
052916979
ABSTRACT:
A mobile machine for abrading a surface by propelling abrasive material against the surface from a blast assembly which moves from side to side of the machine. The machine includes a wheeled frame with a pair of parallel track members mounted across the frame. The blast assembly is supported on rollers which travel upon the track members. A coupling with a worm drive bore is mounted to the front and the rear of the blast assembly. A motor-drive worm drive shaft is journaled through each worm drive bore to move the blast assembly back and forth across the frame. The blast assembly includes a blast housing with a blast corridor and a blast opening to the surface being abraded, a hopper to gravity feed abrasive material into the blast corridor, a centrifugal blast wheel with rotating blades which propel abrasive material against the surface, a return corridor and an air wash. A remote dust collector is connected to the air wash to draw air and abrasive material from the blast opening to the air wash. Abrasive material falls from the air wash into the hopper for reuse. A vacuum blower attached to an on-board dust collector or a cyclone separator may be mounted upon the air wash to provide additional air flow for the return of abrasive material to the air wash and the hopper.
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Nelco Acquisition Corporation
Rose Robert A.
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