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. 22, 1998
Filed:
Jan. 22, 1996
Applicant:
Inventors:
Assignee:
Nippon Light Metal Company, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
219137 ; 219160 ;
Abstract
When aluminum members are arc welded at a welding speed of 2-7 minute, a quantity of input energy is remarkably reduced so as to form a welded joint free from deformation or strains. A weld bead with sufficient penetration is formed due to the high thermal conductivity of the aluminum material. The penetration is promoted by jagging the groove face. The heat balance between the aluminum members different in heat capacity from each other is stabilized by holding a jig having big heat capacity in contact with the aluminum member having smaller heat capacity, so that a good weld joint can be obtained regardless of the difference in heat capacity.