Method of making vitreous bonded grinding wheels and grinding wheels obtained by the method
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United States of America Patent
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Aug 6, 1991
Grant Date -
N/A
app pub date -
Dec 20, 1990
filing date -
Dec 20, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for making vitreous bonded abrasive articles, particularly grinding wheels, is provided that includes the step of blending sugar/starch particles into the other ingredients for making the wheel. The sugar/starch particles are intimate combinations of sugar and starch. Wheels of improved performance are obtained compared to similar wheels made by a comparable method not including the step of blending sugar/starch particles into the abrasive grain, vitreous bond material and other components used for making the wheel.
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