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. 14, 1993
Filed:
Aug. 11, 1992
Applicant:
Inventors:
Daniel Bethge, Rodenbach, DE;
Alfred Henn, Rodenbach, DE;
Michael Schaefer, Altenstadt, DE;
Hans-Johann Kemmer, Rodermark, DE;
Otto Stenzel, Grundau, DE;
Assignee:
Leybold Durferrit GmbH, Cologne, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27D / ;
U.S. Cl.
CPC ...
373143 ; 373138 ; 373140 ; 373156 ;
Abstract
A furnace chamber contains a chassis to which a closure plate for said chamber is removably fixed. A tilting frame is borne by said chassis in a pair of coaxial tilting bearings, one of which incorporates a rotary lead through for power lines and cooling lines to an induction coil surrounding a crucible on the tilting frame. The chassis includes a pair of rails which are movable horizontally on wheels mounted to the floor of the furnace chamber.