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US 5,326,382 AGranted
Synthetic abrasive stones and method for making same
OwnerHenry C. Oatinventor
Life of this patent
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Abstract
Synthetic abrasive stones and method for making same. A mixture of glass and 10.5-28% by weight foaming agent is provided. The mixture is heated to a temperature of from 765.degree. to 960.degree. C., and is then cooled to room temperature.
Claims20
A method of making synthetic abrasive stones, said method including the steps of:
- providing a mixture of glass and 10.5-28% by weight foaming agent;
- heating said mixture to a temperature of from 765.degree. to 960.degree. C.;
- and
- cooling said heated mixture to room temperature.
1 more element
A synthetic abrasive stone comprising:
- a foamed glass product derived from a mixture of glass and 10.5-28% by weight foaming agent.
Dependencies are inferred from the claim text.