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. 05, 2015
Filed:
Mar. 25, 2014
Applicant:
Mahle International Gmbh, Stuttgart, DE;
Inventor:
Klaus Keller, Lorch, DE;
Assignee:
MAHLE International GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 15/10 (2006.01); B21K 1/18 (2006.01); F02F 3/00 (2006.01);
U.S. Cl.
CPC ...
B23P 15/10 (2013.01); Y10T 29/49249 (2015.01); Y10T 29/49252 (2015.01); Y10T 29/49256 (2015.01); B21K 1/18 (2013.01); B21K 1/185 (2013.01); F02F 3/003 (2013.01); F02F 3/0092 (2013.01);
Abstract
A method for producing a piston from an upper piston part and a lower piston part. A strip- or plate-shaped semifinished product made of a metal material is provided, from which an annular upper piston part or an annular blank is stamped out, which blank is finished to form an upper piston part, wherein the upper piston part is connected to a lower piston part to form a piston.