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:
Sep. 27, 2011
Filed:
Oct. 25, 2006
Applicants:
Claude Dupuis, Jonquiere, CA;
Carl Lakroni, Notre Dame de l'Île Perrot, CA;
Peter Waite, Chicoutimi, CA;
Inventors:
Claude Dupuis, Jonquiere, CA;
Carl Lakroni, Notre Dame de l'Île Perrot, CA;
Peter Waite, Chicoutimi, CA;
Assignee:
Rio Tinto Alcan International Limited, Montreal, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 21/06 (2006.01); C22B 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention describes an apparatus and a process for in-line substantially continuous degassing of aluminium and/or aluminium alloys, in absence of chlorine and through the injection of at least one metal halide salt that includes a halogen and water and an inert gas, in a transfer trough before casting.