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:
Apr. 30, 2013
Filed:
Nov. 23, 2011
Applicants:
Hidekazu Sasaki, Kawasaki, JP;
Itaru Chida, Kawasaki, JP;
Itaru Murakami, Tokyo, JP;
Hiroshi Nomura, Tokyo, JP;
Inventors:
Hidekazu Sasaki, Kawasaki, JP;
Itaru Chida, Kawasaki, JP;
Itaru Murakami, Tokyo, JP;
Hiroshi Nomura, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A stress treatment device has an operating unit including a head unit performing peening by irradiating an inside of a hole formed in a structure with laser to form a compressive stress region in the hole; a laser unit having an optical fiber guiding the laser to the head unit; a jetting unit jetting liquid into the hole; and a support part supporting the optical fiber in a manner of allowing the jetted liquid to flow through and being fixed in the head unit.