Assembly comprising a hard plastic watch case and at least one push button, and method for manufacturing such an assembly
US6000842A · kind A · utility
12Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1997 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | May 7, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B37/106
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The assembly according to the invention comprises a hard plastic watch case (2), having on its middle part one or more sealed push buttons (5) made in an inexpensive manner. Each push button (5) comprises a hard plastic stem (10), for example the same material as the case, and an elastomer flexible head (12) which is over moulded onto an external surface (15) of the case. The case and the push buttons may be manufactured by injecting two materials in a single mould. The invention applies to electronic watches and to mechanical watches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.