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:
May. 09, 2006

Filed:

Jun. 26, 2002
Applicants:

Yasuhiro Nakao, Sayama, JP;

Hiroto Shoji, Sayama, JP;

Kunitoshi Sugaya, Sayama, JP;

Takashi Kato, Sayama, JP;

Takaharu Echigo, Sayama, JP;

Satoshi Matsuura, Sayama, JP;

Inventors:

Yasuhiro Nakao, Sayama, JP;

Hiroto Shoji, Sayama, JP;

Kunitoshi Sugaya, Sayama, JP;

Takashi Kato, Sayama, JP;

Takaharu Echigo, Sayama, JP;

Satoshi Matsuura, Sayama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 19/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cast-bonding process includes a magnesium coating step and a magnesium nitride-forming step. The magnesium-coating step is carried out by supplying gasified magnesium into a mold in which a cast-in insert formed from an aluminum alloy, or an aluminum-based composite material is set, so that magnesium may coat the insert. The magnesium nitride-forming step is carried out by supplying nitrogen gas into the mold so that the coating magnesium and nitrogen gas may react to form magnesium nitride. Then, a molten aluminum alloy is poured into the mold for cast-bonding the insert.


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