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:
Jan. 13, 1998
Filed:
Aug. 15, 1995
Applicant:
Inventors:
Peter G Tsantrizos, Westmount, CA;
Francedilla.ois Allaire, Cap-de-la-Madeleine, CA;
Majid Entezarian, Montreal, CA;
Assignees:
Pegasus Refractory Materials, Inc., Montreal, CA;
Hydro-Quebec, Montreal, CA;
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75336 ; 75338 ; 75346 ; 264 10 ; 264 12 ;
Abstract
A metal or an alloy thereof, or a ceramic that has a liquid phase is introduced in the form of a rod or a wire or as a liquid stream into the apex formed by a plurality of converging plasma jets. Atomization takes place and upon controlled cooling good quality spheroidal powders are obtained whose size varies generally between about 10 and 300 .mu.m.