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:
Sep. 10, 2013
Filed:
Jul. 09, 2010
Eiji Mizuno, Nagoya, JP;
Yuichi Hirata, Nagoya, JP;
Eiji Mizuno, Nagoya, JP;
Yuichi Hirata, Nagoya, JP;
Chuo Hatsujo Kabushiki Kaisha, Nagoya-Shi, JP;
Abstract
A metal stripis bent to form a ring and end partsandare connected to each other. An electron beammay be defocused and emitted to a welded sectionalong a crosswise direction of the metal strip. Next, a focal pointof the electron beammay be focused onto a weld-melted portionto execute electron beam welding. Subsequently, the electron beammay be defocused emitted to the welded sectionalong the crosswise direction of the metal strip, and the welded sectionmay be further cooled. The average of the dendrite secondary arm spacing of the weld-melted portion may fall within a range of 7 to 30 μm.