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. 21, 1989
Filed:
Dec. 28, 1987
Applicant:
Inventors:
Nobuyuki Sato, Yokohama, JP;
Hiroshi Matsubayashi, Kamakura, JP;
Seishichi Kobayashi, Yokohama, JP;
Minoru Mitsuhashi, Yokohama, JP;
Kenji Matsuno, Yokohama, JP;
Kazuhisa Ishibashi, Tokyo, JP;
Assignee:
Toyo Seikan Kaisha Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
220 75 ; 228118 ; 228151 ; 228214 ; 413 77 ; 29 3 / ; 219 64 ; 428 358 ; 220454 ; 220456 ; 220D / ;
Abstract
There is here provided butt-welded cans made of steel plates having a carbon concentration of 0.02 to 0.09% by weight, the aforesaid butt-welded cans being characterized in that a coating film for preventing the adhesion of melted metal particles is applied to at least the inner surface of the weld portion and its vicinity of each can, and a carbon concentration index I of the weld portion satisfies the formula (1)