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:
Nov. 29, 2016
Filed:
Mar. 15, 2013
Applicant:
Vesuvius Crucible Company, Wilmington, DE (US);
Inventors:
Paul Woods, Cranberry Township, PA (US);
Roy Phillips, Strongsville, OH (US);
Assignee:
VESUVIUS CRUCIBLE COMPANY, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C21C 5/48 (2006.01); C21C 5/34 (2006.01); B22D 1/00 (2006.01);
U.S. Cl.
CPC ...
C21C 5/48 (2013.01); B22D 1/005 (2013.01); C21C 5/34 (2013.01);
Abstract
A refractory device, such as a replacement purge plug containing a refractory material, is configured to be inserted in the bottom of a ladle for introducing purging gas through a heat of molten metal in a ladle. One or more geometrical features on the lateral surface of the purge plug facilitate the installation of the purge plug into a housing block that has been subjected to erosion.