Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1978-11-27
1981-03-17
Smith, Gary L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
239255, 239256, B24C 306
Patent
active
042559065
ABSTRACT:
An abrasive cleaning apparatus is disclosed for cleaning a work surface by blasting the surface with an abrasive under fluid pressure from a remote source of abrasive and fluid. The apparatus comprises a base which is preferably mounted on a mobile chassis for supporting at least one nozzle by a nozzle support. A conduit connects the nozzle to the remote source of abrasive and fluid. The nozzle support is mounted to the base about a first axis of rotation. A second axis of rotation rotatably mounts the nozzle support for controlling the reaction force produced by the nozzle during operation. The first and second axis are established at an angle relative to one another such that a rotation of the nozzle about the second axis directs the reaction force of the nozzle during operation to cause rotation of the nozzle support about the first axis. An actuator alternately rotates the nozzle about the second axis when the nozzle reaches predetermined terminal positions about the first axis enabling automatic alternate sweeping across the work surface. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
REFERENCES:
patent: 2729918 (1956-01-01), Van Denburgh
patent: 3548541 (1970-12-01), Miller
patent: 4126970 (1978-11-01), Hockett
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