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:
Feb. 14, 1989
Filed:
Dec. 24, 1987
Alan Leatham, Swansea, GB;
Andrew Ogilvy, Neath, GB;
Osprey Metals Limited, Neath, GB;
Abstract
A method of casting is provided in which a rheocast deposit is formed by atomizing a stream of molten metal or metal alloy by subjecting the stream of molten metal or metal alloy to relatively cold gas directed at the stream, and directing the resultant spray of metal droplets at a collector. The deposit is provided with a rheocast type structure by extracting heat from the metal droplets such that the material deposited at the collector includes solid phase particles in a liquid phase which, upon solidification, forms a microstructure characterized by a fine network of microsegregate at the grain boundaries or coring across the grains and which, above the solidus region of the said metal or metal alloy, exhibits thixotropic properties. The rheocast deposit may be thixotropically deformed either during or after deposition.