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:
Oct. 19, 1993
Filed:
Jun. 12, 1992
Applicant:
Inventors:
Robert D Saunders, Barboursville, WV (US);
William L Mankins, Huntington, WV (US);
Assignee:
Inco Alloys International, Inc., Huntington, WV (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
266236 ; 222597 ; 164304 ;
Abstract
A device for stopping flow of molten metal through a conduit having a longitudinal central passage. A ceramic seal is placed through a wall of a ceramic pipe for preventing flow of the molten metal through the opening in the wall of the ceramic pipe. A nonmetallic plug is located adjacent the ceramic seal. A lever arm adjacent the plug is used for depressing the ceramic seal and the nonmetallic plug vertically into the ceramic pipe through the longitudinal central passage to prevent flow of molten metal through the ceramic pipe.