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. 22, 1977
Filed:
Feb. 27, 1976
Applicant:
Inventors:
Michel Jean Cellier, Hendaye, FR;
Jean-Claude Guitton, Tarnos, FR;
Jean-Claude Scholle, Arcangues, FR;
Stephane Georges Viannay, Plaisir, FR;
Assignee:
Bertin & Cie, Plaisir, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
432121 ; 432145 ;
Abstract
A tunnel-furnace is cooled by circulating air between two metal walls forming a jacket and is provided with a ported or permeable hearth extending along its entire length. The articles to be heated or baked in the furnace are supported therein on an air cushion formed with the heated air providing from the cooling jacket and supplied through the ported hearth.