Method of manufacture of a piston for an internal combustion engine, and piston thus obtained
US7472674B2 · kind B2 · utility
9Cited by
23References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 4, 2003 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Dec 4, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49249
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A piston for an internal combustion engine is formed from a metal part cast in one piece. Heating of a billet is carried out so as to bring it to an intermediate temperature between its solidus temperature and its liquidus temperature, and shaping thereof by thixoforging is carried out.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.