Fiber for sound-absorbing material for vehicles and sound-absorbing material for vehicles including the same
US11649565B2 · kind B2 · utility
0Cited by
1References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 16, 2020 |
| Grant date | May 16, 2023 |
| Priority date | — |
| Expiry date | Apr 16, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R13/0815
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed are a fiber for a sound-absorbing material for vehicles and a sound-absorbing material for vehicles including the same. The cross-section of the fiber for a sound-absorbing material includes a first end portion, a second end portion spaced apart from the first end portion, and an intermediate portion connected to the first end portion and the second end portion. The intermediate portion includes at least three bent portions. Each of the first end portion and the second end portion has a width larger than the width of the intermediate portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.