Sound absorber for motor vehicle and floor silencer for motor vehicle
US12384306B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2022 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Jan 6, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Each mixed main body of a plurality of mixed members is formed from a pulverized raw material of a steric shape, of a plurality of pulverized raw materials obtained by pulverizing a layered composite raw material into various shapes including the steric shape and a linear shape. Each mixed glass fiber portion of the plurality of mixed members is formed by a plurality of glass fibers extending by the pulverization from a portion of the mixed main body corresponding to a glass fiber layer. Each mixed glass fiber portion of the plurality of mixed members is located in a labyrinthine path formed between mixed main bodies facing each other among the plurality of mixed members in a stirred mixture body including the plurality of mixed members stirred and mixed in a binder and the binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.