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:
Oct. 20, 2020
Filed:
Nov. 06, 2017
Primetals Technologies Japan, Ltd., Hiroshima-shi, Hiroshima, JP;
Tatsuki Mitsuzumi, Hiroshima, JP;
Ryosuke Mitsuoka, Hiroshima, JP;
Takafumi Nakaya, Hiroshima, JP;
Yujiro Watanabe, Hiroshima, JP;
Hirotoshi Tagata, Hiroshima, JP;
Ryusuke Kimoto, Takasago, JP;
PRIMETALS TECHNOLOGIES JAPAN, LTD., Hiroshima-Sh, JP;
Abstract
A welding apparatus including: a welding unit () that includes a pair of electrode wheels (A,B) arranged to face each other with a welding object therebetween; a pressing unit () that includes a pair of press rolls (A,B) that are arranged to face each other with the welding object therebetween and press a welded portion of the welding object welded by the electrode wheels (A,B); a cooling unit () that supplies a cooling medium toward the welded portion pressed by the press rolls; a heating unit () that heats the welded portion cooled by the cooling unit (); and a moving body () that supports the welding unit (), the pressing unit (), the cooling unit (), and the heating unit (), and reciprocates in a welding direction of the welding object.