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:
Mar. 07, 1989
Filed:
Feb. 01, 1988
Applicant:
Inventors:
Lars Auran, Sunndalsora, NO;
Ivar O Rod, Sunndalsora, NO;
Ole Tangen, Sunndalsora, NO;
Alf E Gravem, Sunndalsora, NO;
Assignee:
Norsk Hydro a.s., Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75 / ; 425-7 ;
Abstract
A method for producing metal powder comprising steps of feeding a molten metal into a closed vessel, atomizing of the metal by inert gas and finally cooling of particles in an atmosphere of inert gas and atomized water is provided. An apparatus for producing metal powder comprises a closed vessel (1) provided with atomizing nozzles (2) and means for providing inert gas, and another set of nozzles (4) for supply of atomized cooling medium located on one or several vertically displaced levels along the internal perimeter of the vessel (1).