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:
Jan. 16, 2024
Filed:
Jul. 19, 2019
Mitsubishi Power, Ltd., Yokohama, JP;
Masaki Honda, Tokyo, JP;
Toshiaki Nishio, Tokyo, JP;
Nobuyoshi Komai, Tokyo, JP;
Takumi Tokiyoshi, Tokyo, JP;
Masaaki Fujita, Yokohama, JP;
Kimihiko Tominaga, Yokohama, JP;
Hiroyuki Ohyama, Yokohama, JP;
Fumitoshi Sakata, Yokohama, JP;
Koichi Teshima, Yokohama, JP;
Eiji Murakami, Yokohama, JP;
Akinori Yamaguchi, Yokohama, JP;
Fumio Nishi, Yokohama, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
A repair welding method according to at least one embodiment is for a member in which a first end and a second end of a parent material are connected by welding and includes: a step of removing a portion including at least a part of a first heat-affected zone of an existing welded portion of the member; and a step of performing repair welding after removing the portion. In a cross-section including the parent material and the existing welded portion, all intersection portions between the first heat-affected zone of the existing welded portion and a second heat-affected zone due to the repair welding have an intersection angle between the first heat-affected zone and the second heat-affected zone of 70° to 110°.