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. 06, 1990
Filed:
Mar. 20, 1989
Applicant:
Inventor:
Jose Gimpera, Wiesbaden, DE;
Assignee:
Didier-Werke AG, Wiesbaden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
222598 ; 266237 ;
Abstract
A rotary and/or axial slide plate valve for controlling the discharge of molten metal from a metallurgical vessel includes a refractory fixed valve part and a refractory movable valve part at least partially disposed within the fixed valve part, the valve parts having respective peripheral surfaces which establish a seal therebetween. An electromagnetic drive is provided for moving the movable valve part between open and closed positions of the valve. The electromagnetic drive may facilitate rotary and/or axial movement of the movable valve part.