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:
Apr. 23, 2002
Filed:
Mar. 17, 1999
Applicant:
Inventors:
Konrad Vogeler, Küssaberg, DE;
Bernhard Weigand, Lauchringen, DE;
Hans Wettstein, Fislisbach, CH;
Assignee:
Alstom, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
B22C 9/10 ;
U.S. Cl.
CPC ...
B22C 9/10 ;
Abstract
A process for producing a casting core which is used for forming within a casting a cavity intended for cooling purposes, through which a cooling medium can be conducted, the casting core having surface regions in which there is incorporated in a specifically selective manner a surface roughness which transfers itself during the casting operation to surface regions enclosing the cavity and leads to an increase in the heat transfer between the cooling medium and the casting.