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:
Jun. 09, 1981
Filed:
Nov. 05, 1979
Applicant:
Inventors:
Arvind C Thekdi, Sylvania, OH (US);
Richard R Mayers, Delta, OH (US);
Assignee:
Midland-Ross Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D / ; F27B / ; F27B / ;
U.S. Cl.
CPC ...
432 19 ; 432 23 ; 432 72 ; 432198 ;
Abstract
The present invention is an improved apparatus and method for directly heat treating articles in a sealed treatment chamber of the heat treatment furnace. A burner means fires into a precombustion chamber which is connected in communication with the treatment chamber. Combustion is completed in the precombustion chamber and the products of combustion are fed into the treatment chamber. Additional treatment gas such as an endothermic gas is fed directly into the furnace treatment chamber.