Vitrified grinding stone
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United States of America Patent
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Oct 29, 2013
Grant Date -
Jun 9, 2011
app pub date -
Jul 2, 2009
filing date -
Jul 31, 2008
priority date (Note) -
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Abstract
A vitrified grinding stone includes: abrasive grains; an inorganic binder that binds the abrasive grains; and air-communicating pores that are formed between the abrasive grains and the inorganic binder, micro-capsules that each encapsulate a lubricant and each have a diameter that is smaller than that of the air-communicating pore, being fixed on an inner wall surface of each of the air-communicating pores by an adhesive.
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