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:
Apr. 24, 1979
Filed:
Jun. 15, 1977
Applicant:
Inventors:
Charles W Smith, Jr, Fairview, PA (US);
William H Walker, Erie, PA (US);
Franz X Zimmerman, Erie, PA (US);
Assignee:
Autoclave Engineers, Inc., Erie, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B22F / ;
U.S. Cl.
CPC ...
219400 ; 13 3 / ; 4254 / ; 432199 ; 432206 ;
Abstract
An apparatus for treating a workpiece at elevated temperatures and pressures comprising an elongate cylindrical pressure vessel. Within the pressure vessel a hearth sits upon a pedestal. A cavity near the base of the pedestal defines an impeller chamber. An impeller is positioned in the chamber and has a downwardly extending drive shaft which is magnetically driven from outside the pressure vessel.