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:
Apr. 01, 2014
Filed:
Apr. 29, 2008
Christian Jonville, Corenc, FR;
Pierre-jean Roy, Bilieu, FR;
Yannick Drouet, Beaucroissant, FR;
Rio Tinto Alcan International Limited, Montreal, Quebec, CA;
Abstract
The invention relates to a ring furnace () having a longitudinal axis and comprising elongated bays (), a plurality of hollow partitions (') arranged within the casing of each bay so as to be parallel to the longitudinal axis, a first end transverse wall () located at a first end of each bay (), a second end transverse wall () located at a second end of each bay () and possibly one or more intermediate transverse walls () located between the first and second ends. The hollow partitions and transverse walls define baking pits () within the bays () for stacking carbonaceous articles therein. The baking pits have a length Lp and a width Wp, said length Lp being at least 15 times greater than said width Wp.