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US 5,578,222 AGranted
Reclamation of abrasive grain
AssigneeSaint-Gobain/Norton Industrial Ceramics Corporation
InventorsRonald W. Trischuk, Ajay K. Garg, Arup K. Khaund
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Abstract
The invention provides a process for recovering abrasive grains from vitreous bonded materials by boiling the material in an aqueous solution of an alkali metal base.
Claims6
A process for the recovery of abrasive grains from vitreous bonded grinding wheels and fragments thereof, said process comprising the steps of:
- a) placing vitreous bonded grinding wheels and/or fragments thereof in an aqueous solution of an alkali metal base, thereby forming an aqueous mixture;
- b) allowing at least part of said vitreous bond to dissolve;
- and
- c) separating the abrasive grains from the aqueous mixture.
1 more element
Dependencies are inferred from the claim text.