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:
Feb. 02, 1993
Filed:
Oct. 10, 1991
Applicant:
Inventors:
Raimund Bruckner, Engenhahn, DE;
Ullrich Hintzen, Taunusstein-Watzhahn, DE;
Steve Lee, Donbartonshire, GB;
Andreas Schuler, Taunusstein-Wehen, DE;
Martin Wiesel, Wiesbaden, DE;
Assignee:
Didier-Werke AG, Wiesbaden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
266236 ; 222598 ; 222602 ;
Abstract
A shutoff and/or control assembly for use in regulating the discharge from a metallurgical vessel includes a refractory ceramic rotor member to be coupled to a stator to be rotated relative thereto to control discharge. A drive rod has an inner end extending into the rotor member and engaging therewith such that rotation of the drive rod causes rotation of the rotor member. At least an inner end portion of the drive rod is formed of a ceramic material.