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:
May. 15, 2001
Filed:
Jun. 02, 1999
Applicant:
Inventors:
Hans-Joachim Heiler, Moers, DE;
Wilhelm Warnecke, Hamminkeln, DE;
Wilhelm Dürr, Dinslaken, DE;
Günther Höbelheinrich, Lennestadt, DE;
Assignee:
Thyssen Stahl AG, Duisburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 9/46 ; C23C 2/06 ; C23C 2/28 ;
U.S. Cl.
CPC ...
C21D 9/46 ; C23C 2/06 ; C23C 2/28 ;
Abstract
A thin sheet is coated by hot dip galvanization with a zinc based alloy comprising 3.5% to 15% by weight of aluminum. Immediately after solidification of the coating, the thin sheet is heated for 2 to 10 seconds to a temperature 20 to 100° C. above the melting point of the coating. The thin sheet is then cooled to room temperature.