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:
Jul. 10, 1979
Filed:
May. 17, 1977
Applicant:
Inventors:
Maurice G Fey, Plum Borough, PA (US);
Francis J Harvey, II, Murrysville, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; F27D / ;
U.S. Cl.
CPC ...
13 / ; 13 33 ;
Abstract
A method and apparatus for melting metal chips characterized by a preheating zone, a pre-reducer zone, and a melting zone in conjunction with an arc heater through which a reducing or inert gas atmosphere is introduced into the communicating zones, whereby metal chips entering the preheating zone move through the preheating, pre-reducing and melting zones in counterflow to the reducing or inert gas movement.