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:
Mar. 10, 1992
Filed:
May. 16, 1990
Applicant:
Inventor:
Claude Dumazeau, Maubeuge, FR;
Assignee:
Vesuvius Crucible Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
1062868 ; 501 66 ; 10628734 ;
Abstract
Coating impermeable to air at the operating temperatures applied on a piece of refractory material for the continuous casting of steel so as to reduce the aspiration of air due to the permeability of the refractory. This coating is preferably comprised of viscous phases at the operating temperature of the piece of refractory material.