Patent ID: 9539702
Date: 2017-01-10
CPC Classifications: B24D

Claim:
1. An abrasive grinding wheel, comprising: an annular abrasive grain layer bound with a diamond abrasive grain or a cubic boron nitride (CBN) abrasive grain by a binder agent and fixed to an outer peripheral surface of a cylindrical grinding wheel core, which is formed by white alundum (WA) or a green carbon (GC) material, by waterproofing adhesive agent, wherein the waterproofing adhesive agent is disposed on the outer peripheral surface of the cylindrical grinding wheel core; and a waterproof agent is disposed on both side surfaces and an inner peripheral surface of the cylindrical grinding wheel core, and wherein the waterproof agent is also disposed on said both side surfaces to a position where said waterproof agent overlaps with said waterproofing adhesive agent.