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:
Sep. 01, 2009
Filed:
Nov. 17, 2004
Applicants:
Johan L. Richaud, Dundas, CA;
Lawrence J. Heaslip, Burlington, CA;
James Dorricott, Burlington, CA;
Dong Xu, Mississauga, CA;
Inventors:
Johan L. Richaud, Dundas, CA;
Lawrence J. Heaslip, Burlington, CA;
James Dorricott, Burlington, CA;
Dong Xu, Mississauga, CA;
Assignee:
Vesuvius Crucible Company, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C21C 5/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention concerns a submerged entry nozzle for use in the continuous casting of liquid metal. The nozzle comprises a central bore and a plurality of pairs of discharge outlets. The cross-sectional area of the central bore decreases between pairs of discharge outlets, such that ratio of height to width of any outlet is one or less.