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:
Aug. 24, 1976
Filed:
Oct. 29, 1974
Applicant:
Inventors:
Kenneth Daniel Geiger, Port Credit, CA;
Steven Joseph Horvath, Mississauga, CA;
Paul Niessen, Waterloo, CA;
Theodore Joseph Seymour, Oakville, CA;
Assignee:
Cominco Ltd., Trail, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C / ; F04C / ;
U.S. Cl.
CPC ...
418102 ; 277 22 ; 418206 ;
Abstract
An improved gear pump for pumping molten metals, such as molten lead or lead alloy, in which sealing means are provided to prevent loss of metal flowing axially along the pump drive shaft. A cooled annulus is provided about the pump drive shaft for solidifying molten metal therein which forms an effective seal and bearing.