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:
Feb. 19, 1991
Filed:
Feb. 16, 1990
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Kobe Seiko Sho, Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21914623 ; 21914523 ;
Abstract
Described herein is a covered electrode for use in arc welding of Cr-Mo type low alloy steel, the covered electrode having a composition determined in consideration of the yield of each additive element as well as the relationship between the contents of certain key component elements, and permitting to form a weld metal with excellent high temperature strength and toughness along with appropriate room temperature strength.