Method of making an acoustic attenuating liner
US4850093A · kind A · utility
44Cited by
21References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 21, 1988 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | Apr 21, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49996
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A titanium face plate is perforated by laser drilling holes therethrough. A cellular core is positioned between a sound reflecting solid back plate and the face plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.