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.

Date of Patent:
Jan. 17, 1989

Filed:

Nov. 06, 1987
Applicant:
Inventors:

Tadashi Donomoto, Toyota, JP;

Mototsugu Koyama, Toyota, JP;

Masaaki Nagaoka, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ; B23P / ;
U.S. Cl.
CPC ...
428547 ; 295275 ; 92212 ; 92223 ; 92224 ; 92248 ; 1231 / ; 428553 ;
Abstract

Light alloy articles comprising a body of light alloy having a composite fiber/light alloy layer, a sprayed heat-resistant alloy layer, and a sprayed ceramic base layer formed on the body in this sequence exhibit improved heat resistance and insulation and are very useful in the manufacture of internal combustion engine pistons. A method for producing such a coated light alloy article by spraying is also provided.


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