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:
Aug. 12, 2003
Filed:
May. 22, 2001
Applicant:
Inventors:
Oddvin Reiso, Sunndalsøra, NO;
Ulf Tundal, Sunndalsøra, NO;
Assignee:
Norsk Hydro ASA, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21C 9/00 ;
U.S. Cl.
CPC ...
B21C 9/00 ;
Abstract
Apparatus for cooling billets ( ), preferably formed of aluminum. The apparatus includes a housing ( ) provided with openings ( ) for axial passage of the billet through the housing, a cooling ring ( ) arranged inside of the housing, and supply lines ( ) for supplying a cooling medium to the housing. The cooling medium is supplied to the billet ( ) in order to achieve uniform cooling, i.e. cooling without a temperature gradient, around the entire circumference of the billet. The apparatus is capable of rotating the billet while the cooling medium is supplied uniformly around the circumference of the billet ( ).