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:
Jul. 27, 1982
Filed:
Jul. 25, 1980
Applicant:
Inventors:
Karl Gregor, Bochum, DE;
Karl Feldhaus, Gelsenkirchen, DE;
Assignee:
Gewerkschaft Schalker Eisenhutte, Gelsenkirchen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10B / ;
U.S. Cl.
CPC ...
15 9 / ; 202241 ;
Abstract
An apparatus having an element for cleaning deposits from the edge of a doorjamb or door of a coking oven is provided with a heater for maintaining this element at a temperature above the softening point of the deposits, normally around 150.degree. C. The element may be a scraper or brush and the heater may be an electrical resistance-type heater, a device for directing a heated gas stream at the element, or a system wherein a heated fluid is passed through the element.