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. 08, 2007
Filed:
Apr. 19, 2001
Antônio José DE Araújo Pôrto, Campinas, BR;
Joao Lester Garcia Lopes, Jundiai, BR;
Airton Aparecido Chignolli, Jundiai, BR;
Antônio José de Araújo Pôrto, Campinas, BR;
Joao Lester Garcia Lopes, Jundiai, BR;
Airton Aparecido Chignolli, Jundiai, BR;
ThyssenKrupp Automotive AG, Bochem, DE;
Abstract
A method of manufacturing an entire piston, piston heads for example, especially intended for internal-combustion engines, wherein in an initial manufacturing step a blank that will eventually constitute the piston is preliminarily forged along a prescribed axis, shaping appropriate contours, and wherein in at least one subsequent manufacturing step the preliminarily shaped piston is finally forged along at least one other axis, creating additional contours.