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. 05, 2000
Filed:
Dec. 01, 1998
Applicant:
Inventors:
Kozo Wada, Hiroshima, JP;
Etsurou Hirai, Hiroshima, JP;
Kazuya Tsurusaki, Hiroshima, JP;
Yuuji Asahara, Hiroshima, JP;
Kwang-Hee Han, Tokyo, JP;
Jae-Young Lee, Tokyo, JP;
Noi-Ha Cho, Kwangyang, KR;
Jang-Sub Shim, Kwangyang, KR;
Si-Youl Chun, Kwangyang, KR;
Assignee:
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219645 ; 219635 ; 219650 ; 373145 ; 118620 ;
Abstract
An alloying system for a galvanized steel sheet, using an induction heating coil, wherein the temperature of the steel sheet in an induction heating furnace is measured based on the impedance of a high frequency heater, and the amount of heating is controlled by feedback, to form an alloy layer of the steel sheet.