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US 6,805,777 B1Granted
Mechanical attachment of electrical current conductor to inert anodes
AssigneeAlcoa Inc.
InventorLeroy E. D'Astolfo, Jr.
Life of this patent
Estimating the term…
Abstract
An inert anode (10) for use in an electrolysis process to make metals such as aluminum, contains a hollow interior with an open top portion (16), an interior closed bottom (18) and interior walls (19) where the top interior side walls (16) have at least one interior groove (20) which helps relieve stress on the anode material and helps provide locking and support of the anode.
Claims14
An inert electrode, the electrode having a hollow interior with a top open portion, an interior closed bottom, and side walls, where the interior side walls of the top portion have at least one interior groove.
An electrode assembly comprising:
- (1) an inert electrode having a hollow interior with a top open portion, an interior closed bottom, and side walls, where the interior side walls of the top portion have at least one interior groove;
- (2) a metal pin conductor having bottom and side surfaces, disposed within the electrode interior but not contacting the electrode interior walls creating an annular gap;
- and
- (3) a seal material surrounding the metal pin conductor at the top portion of the electrode where the seal material fills substantially all of the top annular volume between the at least one interior groove and the top of the conductor, and where a conductive filler material fills at least part of the bottom annular gap between the electrode bottom and the conductor bottom.
1 more element
Dependencies are inferred from the claim text.