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:
May. 13, 2014
Filed:
Mar. 24, 2011
Applicants:
Silvio Stephan, Nuremberg, DE;
Isabella Sobota, Nuremberg, DE;
Rolf Pfeifer, Friedrichshafen, DE;
Inventors:
Assignee:
Federal-Mogul Nurnberg GmbH, Nurnberg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B22D 25/02 (2006.01); B22D 27/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a method for casting a piston for an internal combustion engine, after solidification of the surface layer in the region of the piston-pin bores (), at least one mandrel provided there is withdrawn and the region of at least one piston-pin bore () is cooled by coolant supplied through at least one mandrel. A device for casting pistons for internal combustion engines has at least one mandrel which can be withdrawn from the region of a piston-pin bore () and through which a coolant for cooling the region of the piston-pin bores () can be supplied.