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GRINDING MACHINE. APPLICATION FILED ... In'a grinding machine for forming race grooves 0 ball bearings, ... and means for oscillating the grinding wheel. I 5. In a ...

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' March 21, 1933. F. G. HUGHES GRINDING MACHINE Filed Jlme 6, 1923 S m WW "M m mm P 60 ing tool and its attachingmeans. Patented 21, 1933 i UNITED- srnres PATENT ...

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This invention relates to grinding machines. One of the objects of this invention is to provide a simple, thoroughly practical, and durable ball grinding machine.

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Grinding machine – US Patent 6733374 Description. Patent Description: Device for grinding or polishing workpieces by means of an abrasive, having a container (2 ...

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A grinding machine for grinding a ball end mill which has a cutter teeth of a plain or frustconical shape in the circumference thereof and a cutter teeth of spherical ...

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A ball grinding machine for grinding ceramic bearing balls and the method thereto employing a non-rotating upper circular plate and a rotating lower circular plate to ...

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Friedrich Fischer designed the ball grinding mill, ... 1890 - On July 17, Fischer received the patent for his ball grinding machine from the Imperial Patent Office.

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