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.

Date of Patent:
Aug. 14, 2001

Filed:

Oct. 07, 1999
Applicant:
Inventor:

Gerhard Fuchs, Kehl-Bodersweier, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 3/00 ;
U.S. Cl.
CPC ...
F27D 3/00 ;
Abstract

This invention concerns a smelting installation with an electric-arc furnace in which the roof of the oven vessel is constructed out of two units (,) which are separated by an aperture (,) and can be moved independently of one another relative to the vessel horizontally. One of these units (,) consists of a shaft (,) which serves as preheater for the charge. The upper part of the vessel and the shaft (,) have a converging wall sector (,).


Find Patent Forward Citations

Loading…