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:
Nov. 13, 1984

Filed:

Jan. 21, 1982
Applicant:
Inventors:

Erwin Fussl, Zurich, CH;

Horst Waldert, Kaarst, DE;

Assignee:

Maerz Ofenbau AG, Zurich, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
414 21 ; 414167 ; 414171 ; 414199 ; 414204 ;
Abstract

Feed apparatus for a uniflow regenerative shaft furnace for the calcining of limestone and similar raw materials is formed with a feed container installed above each of the shafts of the furnace, each of the feed containers being arranged concentrically with the shaft axis of the respective shaft over which it is installed and constructed to be maintained in rotation during filling thereof of the material to be calcined.


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