Vitrified grindstone having pores partially filled with resin, and method of manufacturing the same
AssigneeNoritake Co., Limited
InventorKenji Ito
Life of this patent
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Abstract
A vitrified grindstone having a vitrified abrasive structure which has pores and which includes abrasive grains and an inorganic bonding agent that holds the abrasive grains together, wherein 10-95% of a total volume of the pores is filled with a cured resin. The vitrified abrasive structure may further include an aggregate such that the abrasive grains and the aggregate are held together by the inorganic bonding agent.
Claims14
A vitrified grindstone having a vitrified abrasive structure which has pores and which includes abrasive grains and an inorganic bonding agent that holds said abrasive grains together, wherein 10-95% of a total volume of said pores is filled with a cured resin.
A method of manufacturing a vitrified grindstone having a vitrified abrasive structure which includes abrasive grains and an inorganic bonding agent that holds said abrasive grains together, said method comprising:
- a step of preparing a mixture of a liquid resin and a liquid diluent which is other than said liquid resin and which dilutes said liquid resin, such that said mixture includes 10-95% by volume of said liquid resin;
- a step of impregnating said vitrified abrasive structure with said mixture;
- and
- a step of curing said liquid resin contained in said mixture with which said vitrified abrasive structure is impregnated.
Dependencies are inferred from the claim text.