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:
Feb. 05, 1991
Filed:
Nov. 08, 1989
Applicant:
Inventor:
Radovan R Maric, Willowdale, CA;
Assignee:
Union Carbide Canada Limited, Toronto, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
266111 ; 148 16 ; 148 165 ; 148 132 ;
Abstract
The humidity of the atmosphere of a heat-treating furnace is controlled by the use of superheated steam, which is generated by the use of a furnace-heated humidifier to which water is fed through a capillary tube. A secondary gas flow passes through the humidifier and is humidified by the superheated steam. The humidified secondary gas flow then passes to a primary gas flow to be mixed therewith, before the primary gas flow passes to the furnace atmosphere.