Silencing tubular structure body
US11536411B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2020 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Apr 24, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/172
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Provided is a silencing tubular structure body that has high strength and can be disposed in a narrow space. A tubular member including a tubular portion having a tubular shape, and a frame portion having at least a part formed integrally with an inner peripheral surface side of the tubular portion; and a lid member that is exchangeably disposed on an opening surface of the frame portion of the tubular member are included, in which the frame portion and the lid member form a resonant silencing structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.