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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.:

US 6270552 B1

PDFFull Text
Date of Patent:
Aug. 07, 2001

Filed:

May. 26, 1999

Rotary hearth furnace for reducing oxides, and method of operating the furnace

Applicant:
Inventors:

Kanji Takeda, Chiba, JP;

Yoshitaka Sawa, Chiba, JP;

Tetsuya Yamamoto, Chiba, JP;

Tetsuya Kikui, Chiba, JP;

Assignee:

Kawasaki Steel Corporation, , JP;

Attorney:

Schnader Harrison Segal & Lewis LLP

Primary Examiner:

Scott Kastler

Int. Cl.
CPC ...
C21B 1/100 ;
U.S. Cl.
CPC ...
C21B 1/100 ;
Abstract

Traveling hearth furnace and an operating method thereof, which, when stacking a layer consisting of a mixture of oxides such as fine iron ore and a fine solid reducing material onto a horizontally traveling hearth and reducing the oxides through radiant heat transfer from above the hearth, is based on melting the reduction product in the course of up to a discharge port, and causing aggregation and separation of slag in from the reduction product, followed by solidifying the reducible material.

Find Patent Forward Citations

Takeda, Kanji. (2001). Rotary hearth furnace for reducing oxides, and method of operating the furnace (U.S. Patent No. 6270552). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6270552

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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