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. 18, 1997
Filed:
Aug. 01, 1995
Applicant:
Inventors:
Dieter Stock, Regglisweiler, DE;
W Gary Watson, Cheshire, CT (US);
Assignee:
Wieland-Werke AG Metallwerke, Ulm, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
428547 ; 428551 ; 428552 ;
Abstract
A rotationally symmetrical preform (1) is made by atomizing molten metal by means of a gas jet in a nozzle and by deposition of the droplets on a suitable substrate, wherein at least two independent nozzles (2,3) are arranged so that their droplet streams (4,5) overlap and are directed onto a substrate (6) of circular cross-section, and wherein insoluble particles are injected either into the first or into the second droplet stream (4 or 5) or wherein different types of particles are injected into the first and the second droplet stream (4,5).