At least partially enamelled relief dial
US9134703B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2011 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Aug 19, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49888
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to an at least partially enamelled dial whose visible surface includes areas standing out in relief, including a first part made of ceramic material or another compatible substrate that may or may not be coated with enamel including at least one through hole and at least one second part made of ceramic material or another compatible substrate that may or may not be coated with enamel. According to the invention, said at least one second part includes a main, projecting face which is larger than the section of said at least one hole and said at least one second part is secured to the first part to totally cover the periphery of said at least one hole without the second part projecting into the hole, so as to form a relief dial with improved rendering.The invention also relates to the method of manufacturing this type of dial. The invention concerns the field of at least partially enamelled dials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.