Method of roll-forming an automotive bumper
US5092512A · kind A · utility
57Cited by
28References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1991 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Jan 14, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2019/1826
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A bumper bar for vehicles formed from rolled sheet steel having a closed tubular profile designed to have a high impact resistance, high strength-to-weight ratio, and a low cost of manufacture. The bar is preferably swept along its longitudinal axis to create a curvature consistent with modern automotive designs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.