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. 12, 1983
Filed:
Oct. 05, 1981
Applicant:
Inventors:
Erwin Fussl, Zurich, CH;
Norbert Berger, Thalwil, CH;
Assignee:
Maerz Ofenbau AG, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D / ; F27B / ; F23M / ;
U.S. Cl.
CPC ...
432 96 ; 110338 ; 432173 ;
Abstract
A calcining kiln for burning limestone or similar mineral raw material is formed with a wall structure which is gas-permeable at least in a region adjacent the openings of burners extending to the interior of the kiln with a compressed gaseous medium being supplied through the gas-permeable wall structure toward the interior of the kiln.