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:
Feb. 09, 1999
Filed:
Jul. 08, 1997
Applicant:
Inventors:
Takashi Yamamura, Okayama, JP;
Osamu Nomura, Okayama, JP;
Makoto Nakamura, Okayama, JP;
Wei Lin, Okayama, JP;
Ryosuke Nakamura, Okayama, JP;
Assignee:
Shinagawa Refractories Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
222606 ; 501 89 ;
Abstract
A nozzle for use in continuous casting of steel includes a refractory of at least the interior surface of the nozzle and/or the portions to come into contact with molten steel that is composed of an Al.sub.2 O.sub.3 -SiO.sub.2 refractory material.