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:
Jul. 23, 2019
Filed:
Oct. 18, 2016
Applicant:
Mahle International Gmbh, Stuttgart, DE;
Inventors:
Lothar Pfizenmaier, Lichtenwald, DE;
Reiner Mueller, Rottweil, DE;
Assignee:
Mahle International GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21K 1/18 (2006.01); B22C 9/10 (2006.01); B22C 9/24 (2006.01); F02F 3/00 (2006.01); F02F 3/22 (2006.01); B22D 15/02 (2006.01); B22D 29/00 (2006.01); B22D 31/00 (2006.01); B23K 31/02 (2006.01); B23P 15/10 (2006.01); F02F 3/20 (2006.01);
U.S. Cl.
CPC ...
F02F 3/20 (2013.01); B21K 1/185 (2013.01); B22C 9/105 (2013.01); B22C 9/108 (2013.01); B22C 9/24 (2013.01); B22D 15/02 (2013.01); B22D 29/002 (2013.01); B22D 31/002 (2013.01); B23K 31/02 (2013.01); B23P 15/10 (2013.01); F02F 3/003 (2013.01); F02F 3/0015 (2013.01); F02F 3/22 (2013.01); F02F 2003/0061 (2013.01); F02F 2200/00 (2013.01); F02F 2200/04 (2013.01); F02F 2200/06 (2013.01);
Abstract
A method for producing a piston of an internal combustion engine, with a cooling duct, may include producing a piston blank with a cooling duct, closing an inlet and an outlet of the cooling duct by at least one closure element, machine-finishing the piston blank, and removing the at least one closure element.