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. 03, 1987
Filed:
Apr. 26, 1985
Applicant:
Inventors:
Tuyoshi Morishita, Hiroshima, JP;
Yasuhumi Kawado, Iwakuni, JP;
Sigemi Osaki, Hiroshima, JP;
Noriyuki Sakai, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
164103 ; 164 591 ; 164 97 ; 164-9 ;
Abstract
A process of forming a high alloy layer on a surface of an aluminum alloy casting. The process comprises steps of providing a mixture of fine powders having an average powder size finer than 10 microns, preferably finer than 1.0 micron, of an alloying metal or an alloying alloy and an acrylic binder, shaping the mixture into a sheet, heat treating the sheet at 150.degree. to 380.degree. C. for more than 5 minutes, placing the heat treated sheet on a surface of a casting mould or a chilling block, and casting molten aluminum alloy.