Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1989-05-24
1991-03-26
Rachuba, Maurina
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51241A, 82172, B24B 1900
Patent
active
050018710
ABSTRACT:
Machine for precision machining, with a rod for the determination of the ctical mean axis of a hole of cylindrical general contour. The present invention relates to a machine for precision machining, in particular for the grinding of valve seatings of heat engines, which is in accordance with the described in the European Patent EP-B-No. 0,022,796. According to the invention, the pilot rod (11) comprises various annular recesses (11a), in which various rings (13) which are resiliently deformable in the radial direction are respectively mounted. The invention is applicable to all types of machines for machining necessitating the presence of a pilot rod.
REFERENCES:
patent: 2084175 (1937-06-01), Zimmerman
patent: 2085280 (1939-06-01), Tyler
patent: 2200758 (1940-05-01), Thaheld
patent: 3300822 (1967-01-01), Thompson
patent: 3556042 (1971-01-01), Laughlin
patent: 4365917 (1982-12-01), Harmand
Rachuba Maurina
Societe d'Etude de Realisation et de Diffusion Industrielles - S
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