Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-03-20
1976-09-21
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 8R, B24C 306, B24C 900
Patent
active
039811042
ABSTRACT:
A grit blasting machine which projects particles of metal grit, having at least a soft magnetic property, against a surface to be cleaned to remove scale therefrom. The machine includes a vehicle movable along the surface. A housing mounted on the vehicle has an opening facing the surface through which the grit is projected by a throwing wheel mounted within the housing. The grit is picked up by at least one endless belt formed from non-magnetic, magnetically permeable material. The belt is connected with the vehicle and driven peripherally along a closed path having a pickup region and a release region. A plurality of magnets positioned interiorly of the belt cause the grit to become attached to the belt in the pickup region and to be carried to the release region. As the grit on the belt reaches the release region of the path, the grit is separated from the belt and is collected and recirculated to the throwing wheel.
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Smith Al Lawrence
Smith Gary L.
Texstar, Inc.
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