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:
Dec. 27, 2022
Filed:
Jul. 19, 2017
Applicant:
Hitachi Metals, Ltd., Tokyo, JP;
Inventors:
Yoshihiko Kobayashi, Tokyo, JP;
Shuho Koseki, Tokyo, JP;
Tadashi Furuya, Tokyo, JP;
Katsuhiro Obata, Tokyo, JP;
Fumiaki Honda, Tokyo, JP;
Takahiro Makiyama, Tokyo, JP;
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/56 (2006.01); G01N 3/02 (2006.01); B21D 22/00 (2006.01); B21J 5/00 (2006.01); B21D 22/20 (2006.01);
U.S. Cl.
CPC ...
G01N 3/565 (2013.01); G01N 3/02 (2013.01); B21D 22/00 (2013.01); B21D 22/20 (2013.01); B21J 5/00 (2013.01); G01N 3/56 (2013.01);
Abstract
Provided is an abrasion test apparatus for measuring an abrasion state of a workpiece, including: a workpiece holding mechanism holding the workpiece; a contact tool repeatedly making contact and non-contact with the workpiece; a rotating mechanism holding the contact tool to be freely rotatable; and a heating mechanism intermittently heating an end portion of the contact tool.