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. 01, 2000
Filed:
Mar. 03, 1998
Katsumi Mabuchi, Hitachi, JP;
Tomoko Kikuchi, Hitachinaka, JP;
Yasunobu Kani, Hitachi, JP;
Tsuneo Nakamura, Hitachi, JP;
Shinichi Yokosuka, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A pickling plant for a steel strip and a method for controlling the pickling plant, including monitoring at least one quantity of state represented by thickness, width and quantity of scale of the steel strip, and at least one quantity of state of operation of a plant represented by concentration, quantity and temperature of acid supplied into a pickling tank of the pickling plant, line speed of the steel strip, and temperature of the steel strip immediately before entering the pickling tank calculating on the basis of values of said quantity of state and quantity of state of operation, at least one of concentration distribution of acid, concentration distribution of iron and descaling rate at optional plural positions, and on the basis of the calculating the optimum quantity of state for operation of the plant is determined.