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. 04, 2025
Filed:
Nov. 03, 2022
Applicant:
Sintokogio, Ltd., Nagoya, JP;
Inventors:
Toshiya Tsuji, Nagoya, JP;
Yuji Kobayashi, Nagoya, JP;
Assignee:
SINTOKOGIO, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/00 (2006.01); B22C 9/12 (2006.01); B24B 39/02 (2006.01);
U.S. Cl.
CPC ...
B24B 39/026 (2013.01); B22C 9/12 (2013.01); B23K 20/00 (2013.01);
Abstract
A processing method according to one aspect incudes preparing a metal workpiece having a hole that opens to a surface thereof, filling the hole with processing media, and applying an external force to the processing media to apply a compressive residual stress to an inner surface of the hole.