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:
Jul. 25, 2000
Filed:
Feb. 23, 1998
Toshio Ishii, Fukuyama, JP;
Munehiro Ishioka, Fukuyama, JP;
Akira Hiraya, Fukuyama, JP;
Seishi Hatakeyama, Fukuyama, JP;
Nobuyuki Ishida, Yokohama, JP;
Teruhisa Kuwana, Yokohama, JP;
Kazumi Jiromaru, Yokohama, JP;
Toshihiko Ooi, Yokohama, JP;
Hideyuki Suzuki, Kawasaki, JP;
Shinichi Tomonaga, Fukuyama, JP;
Hitoshi Oishi, Yokohama, JP;
Kentaro Akashi, Fukuyama, JP;
Takayuki Fukui, Fukuyama, JP;
NKK Corporation, Tokyo, JP;
Abstract
A method for hot-dip coating a steel strip comprises: (a) continuously annealing the steel strip in an annealing furnace; (b) introducing the annealed steel strip into a molten metal coating bath through a snout; (c) dipping the annealed steel strip into the molten metal coating bath; (d) controlling a pressure inside of the snout; and (e) discharging a gas containing a metal vapor from the snout to outside of the snout. An apparatus comprises an annealing furnace, a coating pot, a control device for controlling a pressure inside the snout and a gas discharging device.