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:
Dec. 17, 2002
Filed:
Jan. 29, 2001
Abstract
The invention relates to a device for closing a tap hole of a metallurgical vessel, in particular a converter, for the purpose of separating a molten metal and slag, having a slag stopper which is situated outside the vessel, which provides an actuable closure element that can be inserted into a tap hole, leaving an annular gap relative to the wall of the tap hole, and which provides a number of lines, in particular a pressurized-gas line intended for the supply of the closure element, the slag stopper comprising a connecting frame which carries and fixes the parts of the slag stopper, this connecting frame, for its part, being secured releasably at a connecting point on the metallurgical vessel This allows a significant reduction in the time required for servicing or changing the slag stopper.