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. 23, 1993
Filed:
May. 21, 1992
Applicant:
Inventors:
Daniel Pernet, Metz, FR;
Jacques Blum, Argancy, FR;
Assignee:
Unimetal, a French body corporate, Metz Cedex, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27D / ; C21C / ;
U.S. Cl.
CPC ...
373-9 ; 266144 ; 110203 ;
Abstract
A method for exhausting gases or fumes from a metallurgical container through a duct connected to the intake of a pump while introducing an additional gas stream into the pump is described. The additional gas stream ensures a constant gas pressure at the intake portion of the pump.