Automotive crashworthiness energy absorptive part and method for manufacturing same
US11993311B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2019 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Nov 16, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Y2306/01
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An automotive crashworthiness energy absorptive part to be provided at a front portion or a rear portion of an automotive body, the automotive crashworthiness energy absorptive part including: a tubular member configured to be axially crushed to absorb crashworthiness energy, the tubular member having a top portion and side wall portions continuous to the top portion; and a resin configured to coat or patch at least inner surfaces of the top portion and the side wall portions of the tubular member, wherein the coated or patched resin has a thickness of 8 mm or less after being heated and forms at least a part of a peripheral wall portion in a closed cross-sectional space, and adheres to the inner surfaces with an adhesive strength of 10 MPa or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.