Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1977-07-15
1980-01-01
Smith, Gary L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
15 35, B24C 316
Patent
active
041809483
ABSTRACT:
A device adapted to move through a pipeline for cleaning the inner periphery thereof and comprising a rotatable central hub member constructed of an abrasive resistant material and having a chamber therein for receiving a supply of abrasive material, a plurality of radial passageways extending outwardly from the chamber at an angle deviating from the perpendicular of the longitudinal axis of the hub, the radial passageways being in communication with the chamber for receiving the abrasive material therefrom whereby upon rotation of the device the abrasive material will be impinged against the inner periphery of the pipeline at an angle with respect to the perpendicular of the longitudinal axis of the pipeline.
REFERENCES:
patent: 2117648 (1938-05-01), Bottorf
patent: 2303088 (1942-11-01), Perkins
patent: 2468984 (1949-05-01), Krieg
patent: 3137974 (1964-06-01), Kirkland
patent: 3814330 (1974-06-01), Masters
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