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:
Dec. 13, 2022
Filed:
Aug. 18, 2021
Hitachi, Ltd., Tokyo, JP;
Nippon Steel Nisshin Co., Ltd., Tokyo, JP;
Masahiro Kayama, Tokyo, JP;
Shigetoshi Kurihara, Tokyo, JP;
Takanori Iwahiro, Tokyo, JP;
Hisao Morishita, Tokyo, JP;
Kazuhiko Soga, Tokyo, JP;
Yuta Hirano, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Nippon Steel Nisshin Co.. Ltd., Tokyo, JP;
Abstract
A coating weight control apparatus includes: a strip passing position movement amount estimate part configured to estimate an movement amount of a strip passing position, in response to any of activation factors for movement of a strip passing position, that is, a welding point passing, a change in tension, and an operation of a correcting roll; and a nozzle position control part configured to shift each of positions of a front side nozzle and a back side nozzle by an amount corresponding to the movement amount of the strip passing position estimated by the strip passing position movement amount estimate part.