Metallic products with a multi-color cloth-like appearance and method of manufacturing
US12401933B2 · kind B2 · utility
0Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2023 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Jun 25, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/029
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A metallic product such as an audio speaker cover and a related method of manufacturing that has a surface with a cloth-like appearance, yet allows the passage of sound. The metallic audio speaker cover has a base of expanded metal with polygonal openings or woven wire through which the sound may pass, the openings being defined by filaments that provide structural strength; a pretreatment film that adheres to the expanded metal base, and one or more multi-color powder coating films that adhere to the pretreatment film. In some embodiments, the film also has anti-microbial properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.