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US 2019/0054592 A1Published application
Abrasive tool
AssigneeA.L.M.T. Corp.
InventorSadateru Nakamatsu
Life of this patent
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Abstract
An abrasive tool has an abrasive grain layer comprising a plurality of hard abrasive grains bonded by a binder, with a plurality of the hard abrasive grains each having a working surface formed to contact a workpiece, a ratio of a total area of a plurality of such working surfaces to an area of an imaginary plane smoothly connecting the plurality of working surfaces being 5% or more and 30% or less.
Claims10
An abrasive tool having an abrasive grain layer composed of a plurality of hard abrasive grains bonded by a binder,
- a plurality of the hard abrasive grains each having a working surface formed to contact a workpiece,
- a ratio of a total area of a plurality of such working surfaces to an area of an imaginary plane smoothly connecting the plurality of working surfaces being 5% or more and 30% or less.
Dependencies are inferred from the claim text.