Key top plate and a method for manufacturing the same
US6958183B2 · kind B2 · utility
5Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2002 |
| Grant date | Oct 25, 2005 |
| Priority date | — |
| Expiry date | Apr 9, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A first film plate 20 and a second film plate 40, each made of flexible resin film, are attached to a top surface and a bottom surface of a key top 30 made of mold-resin, respectively, so as to cover the key top 30. The first film plate 20 is pressed upward to form a recessed portion 23, the key top 30 is molded within this recessed portion 23. The second film plate 40 is arranged on the bottom surface of the key top 30. All of the first film plate 20, the key top 30, and the second film plate 40 are transparent. Decorative layers 21 and 41 are formed on the first film plate 20 and the second film plate 40, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.