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US 9,539,702 B2Granted
Abrasive grinding wheel
AssigneeToyoda Van Moppes Ltd.
InventorsYasuji Kunihiro, Masayuki Shimizu, Takuma Kono, Tsutomu Kato
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Abstract
The abrasive grinding wheel includes an annular abrasive grain layer formed by a diamond abrasive grain or CBN abrasive grain and fixed to an outer peripheral surface of a cylindrical grinding wheel core by an adhesive agent. The abrasive grinding wheel further includes a waterproof agent applied on both side end surfaces and an inner peripheral surface of the cylindrical grinding wheel core in order to prevent any water ingress into the inside of the core.
Claims10
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.
2 more elements
Dependencies are inferred from the claim text.