The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 21, 2023
Filed:
Dec. 07, 2016
Applicant:
A.l.m.t. Corp., Tokyo, JP;
Inventor:
Sadateru Nakamatsu, Kato, JP;
Assignee:
A.L.M.T. Corp., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B24D 3/06 (2006.01); B24D 5/02 (2006.01); B24D 3/00 (2006.01); B24B 53/12 (2006.01); B24D 5/00 (2006.01); B24B 53/075 (2006.01);
U.S. Cl.
CPC ...
B24D 3/06 (2013.01); B24B 53/075 (2013.01); B24B 53/12 (2013.01); B24D 3/00 (2013.01); B24D 5/00 (2013.01); B24D 5/02 (2013.01); B24D 2203/00 (2013.01);
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.