Multi-material hybrid bumper
US6308999A · kind A · utility
47Cited by
32References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1998 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Jul 21, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2019/1826
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle bumper system having a metallic elongated reinforcing member extending substantially across the width of the vehicle. The reinforcing member can be made from aluminum or steel and has a generally .SIGMA.-shaped cross section which is filled with energy-absorbing foam. The .SIGMA.-shaped cross section is preferably formed by extrusion. A preferred composition of the reinforcing member is an aluminum alloy selected from the group of 6XXX and 7XXX alloys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.