Frame and surface treatment method for the frame
US10926292B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Mar 6, 2019 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Mar 6, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0202
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A frame includes a substrate, a first priming paint layer, a second priming paint layer, a non-conductive vacuum metallized priming paint layer, and a non-conductive vacuum metallized coating layer. The substrate is made by die casting technology of metal powder. The substrate, the first priming paint layer, the second priming paint layer, the non-conductive vacuum metallized priming paint layer, and the non-conductive vacuum metallized coating layer are stacked in the order written. The disclosure also provides a surface treatment method for the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.