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:
Jan. 28, 2003
Filed:
Jun. 16, 2000
Yasuyuki Ishihara, Tokai, JP;
Tomoyasu Sumiya, Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
A method for producing a cast body having a thin portion is provided, including subjecting a thin member of iron, copper, or nickel alloy to metal-ceramic insertion in a matrix of iron or copper. In the method, the thin member including a ceramic layer on the surface thereof to prevent the thin member from melting upon metal-ceramic insertion. Alternatively, a ceramic layer is formed by using a thin member containing 0.5 wt % or more in total of at least one element selected from the group consisting of Al, Ti, Be and Mg, at least on or near a surface of the thin member, either at the time metal-ceramic insertion or at the time of heating prior to metal-ceramic insertion to prevent the thin portion from melting upon metal-ceramic insertion.