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:
Aug. 08, 2023
Filed:
Nov. 20, 2018
Jfe Steel Corporation, Tokyo, JP;
Gentaro Takeda, Tokyo, JP;
Hideyuki Takahashi, Tokyo, JP;
Tetsuya Iwata, Tokyo, JP;
Koji Sawamura, Tokyo, JP;
JFE STEEL CORPORATION, Tokyo, JP;
Abstract
A method for producing a hot-dip galvanized steel sheet includes supplying humidified gas to the soaking zonein a manner such that: in passes in which the steel sheet moves upward, the humidified gas is supplied from first humidified gas supply portsA toE provided at positions higher by 1.0 m or more and 5.0 m or less than the centers of lower hearth rollsand overlapping the steel sheet in the passes when viewed from the side of the soaking zone; and in passes in which the steel sheet moves downward, the humidified gas is supplied from second humidified gas supply portsA toE provided at positions lower by 1.0 m or more and 5.0 m or less than the centers of the upper hearth rollsand overlapping the steel sheet in the passes when viewed from the side of the soaking zone.