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. 09, 1988
Filed:
Feb. 28, 1986
Joseph N Rieg, Blaine, WA (US);
Alumax Inc., San Mateo, CA (US);
Abstract
A dual directional spent carbon anode cleaning apparatus for removing cryolite from a spent carbon anode, the spent carbon anode has longitudinally extending sides and transversely extending ends. The apparatus comprises side cleaning means, the side cleaning means including side hammer means that extends across one of the longitudinal sides of the spent carbon anode for pounding and loosening the cryolite. The apparatus also comprises end cleaning means, the end cleaning means including end hammer means that extends across one of the transverse ends of the spent carbon anode for pounding and loosening the cryolite, the end hammer means is oriented at a direction that is approximately orthogonal to the direction of travel of the side hammer means.