Noise insulation structure
US6685250B2 · kind B2 · utility
7Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2002 |
| Grant date | Feb 3, 2004 |
| Priority date | — |
| Expiry date | Sep 30, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R13/083
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle floor structure having a noise insulation structure with a two-way freedom system is provided. The two-way freedom system noise insulation structure is comprised of a lower mass layer and a urethane layer beneath the same, and an upper mass layer and a low resilient material layer beneath the same and made of fibrous material layer or low resilient urethane layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.