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:
May. 27, 1986
Filed:
Aug. 21, 1984
Gerhard Fuchs, Kehl-Bodersweier, DE;
Joachim Ehle, Lautenbach, DE;
Hans-Peter Heinzelmann, Rheinau-Diersheim, DE;
Fuchs Systemtechnik GmbH, Willstatt-Legelshurst, DE;
Abstract
Electric arc furnace, having a tapping hole (2) in the bottom of the vessel or in the bottom of a part (1) of the vessel, which projects in a bay window-like manner, and a closure arrangement (3) for the tapping hole (2), comprising a closure plate (4) which is movable from a closure position of closing the tapping hole from the outside into an open position of opening the tapping hole, by means of a first lever (6) which is pivotally mounted to the outside of the vessel (pivot axis 11) and which is pivotal by a drive means (14), whereby the closure plate (4) is mounted to an arm (5) which is connected rotatably (rotary axis 8) to the first pivotal lever (6) and which is guided by means of a second pivotal lever (7) which at a spacing from the first lever (6) on the one hand is pivotally connected to the outside of the vessel (pivot axis 12) and on the other hand is connected rotatably (rotary axis 9) to the arm (5).