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:
Jun. 14, 2005
Filed:
Dec. 17, 2001
Fumiaki Sato, Osaka, JP;
Toshihira Hamada, Osaka, JP;
Shuzo Oda, Osaka, JP;
Yoshihiro Jono, Osaka, JP;
Takahiro Hayashida, Yamaguchi-ken, JP;
Junichi Fujimoto, Yamaguchi-ken, JP;
Masao Komai, Yamaguchi-ken, JP;
Fumiaki Sato, Osaka, JP;
Toshihira Hamada, Osaka, JP;
Shuzo Oda, Osaka, JP;
Yoshihiro Jono, Osaka, JP;
Takahiro Hayashida, Yamaguchi-ken, JP;
Junichi Fujimoto, Yamaguchi-ken, JP;
Masao Komai, Yamaguchi-ken, JP;
Ferro Enamels (Japan) Limited, Osaka, JP;
Toyo Kohan Co., Ltd., Tokyo, JP;
Abstract
Steel sheet for porcelain enameling having excellent workability yet capable of providing an enamel layer having excellent adhesion with the steel sheet on direct-on enameling once and still free of black specks defects, a method for producing the same, as well as a porcelain enamel product and the method for producing the same are provided, in which low carbon Al-killed steel sheet, high oxygen steel sheet, Ti-added steel sheet, Nb-added steel sheet, Ti—Nb-added steel sheet or B-added steel sheet is used. A steel sheet for porcelain enameling is produced by applying Ni—Mo alloy plating to the low carbon Al-killed steel sheet, high oxygen steel sheet, Ti-added steel sheet, Nb-added steel sheet, Ti—Nb-added steel sheet or B-added steel sheet having specified components and composition ratio, and after performing heat treatment thereto to control the content of Ni, Mo, and Fe that are present on the surface of the steel sheet in a predetermined range, porcelain enamel is applied and fired.