Molded foam vehicle energy absorbing device and method of manufacture
US6949209B2 · kind B2 · utility
17Cited by
27References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2003 |
| Grant date | Sep 27, 2005 |
| Priority date | — |
| Expiry date | Oct 22, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2019/1833
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for forming energy absorbing components for motor vehicles includes mixing a polymeric resin and blowing agent combination. The combination is heated, liquefied, and pressurized. A mold for receiving the liquefied combination is pre-cooled. The liquefied combination is injection molded in the mold to form the energy absorbing component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.