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. 18, 2000
Filed:
Feb. 01, 1999
Applicant:
Inventors:
Takashi Sumigama, Yokohama, JP;
Bungo Iino, Tokyo, JP;
Kazumasa Wakimoto, Tokyo, JP;
Mamoru Tsukamoto, Fussa, JP;
Assignee:
NKK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
266193 ;
Abstract
A stave for a metallurgical furnace comprises a stave body and a path for a coolant. The stave body is unitarily formed of a casting of copper or a copper alloy. The path for a coolant is formed within the stave body when the stave body is cast, and the path having an inner diameter.