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:
Nov. 30, 1982
Filed:
Aug. 15, 1980
Applicant:
Inventors:
Alfred Mertens, Essen, DE;
Franz Schafer, Essen, DE;
Assignee:
Didier Engineering GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10B / ; C10B / ; C10B / ;
U.S. Cl.
CPC ...
202239 ; 202151 ; 202270 ;
Abstract
A regulating device for the flue housing of a coke oven for alternately opening and closing channels of the flue housing including a rotatable shaft, frames mounted on the shaft, preferably, 90.degree. relative to each other, in alternating sequence along the shaft, peripheral seals about the frames for sealing a channel when the frame is disposed across it. The seals are arcuate in configuration and lie on a circle having its center at the center axis of the shaft. Rotation of the shaft selectively opens and closes alternate channels of the flue housing.