Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1989-06-01
1990-06-19
Schmidt, Frederick A.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51241B, 51290, B24B 1900
Patent
active
049341090
ABSTRACT:
A grinder assembly includes a grinder support device positioned within a pipe section and has a support shaft extending along the longitudinal axis of the pipe. A grinder is supported from the support shaft by means of a connector secured to the body portion of the grinder. The grinding wheel is positioned in abutting relation with the edge of the pipe and the support shaft being rotatably mounted on the grinder support permits the grinding wheel to rotate around the periphery of the shaft. There is an adjustment device for the support shaft where the angularity of the support shaft, the grinder, the connector and the grinder wheel face can be adjusted angularly relative to the longitudinal axis of the pipe section to compensate for an edge portion of a pipe that is cut at an angle other than perpendicular to the longitudinal axis of the pipe. There is a second adjusting means on the grinder with which the face of the grinding wheel can move relative to the edge of the pipe to compensate for irregularities in the edge of the pipe. The legs supporting the grinder support are adjustable so that the grinder assembly can be used with pipes of differing diameter.
REFERENCES:
patent: 2188720 (1940-01-01), McQuade
patent: 2414731 (1947-01-01), Forbes
patent: 2587398 (1952-02-01), Smith
patent: 2736995 (1956-03-01), Richey
patent: 2801506 (1957-08-01), Mills
patent: 2822650 (1958-02-01), Barrett
patent: 2869293 (1959-01-01), Howard
patent: 3067651 (1962-12-01), Hogden et al.
patent: 3613320 (1971-10-01), Mighton
patent: 4513542 (1985-04-01), Wilger et al.
Wachs Tools for Pipe and Valves, E. H. Wachs Company-Advertisement Supplement two pages-P.T.O. Aug. 19, 1982.
Price, Jr,. Stanley J.
Rachuba M.
Schmidt Frederick A.
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