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:
Jan. 03, 1989
Filed:
Jul. 13, 1987
Applicant:
Inventor:
John A Vallomy, Charlotte, NC (US);
Assignee:
Intersteel Technology, Inc., Charlotte, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
266236 ; 266271 ;
Abstract
A method and apparatus for tapping a metal refining furnace which is tiltable about a horizontal axis, including an externally mounted chamber or 'hot spout' at the side of the furnace communicating with the interior of the furnace, a nozzle situated in the bottom wall of the chamber, stopper rod or sliding gate means associated with the chamber for closing the nozzle opening, and heating means in the chamber for maintaining a high temperature within the chamber. An associated receiving vessel is capable of monitoring the amount of molten metal in the vessel and generating a signal to stop the pouring operation.