Method for making a spring for a timepiece
US9104178B2 · kind B2 · utility
1Cited by
11References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2010 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Apr 21, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49579
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a method for making a spring for a timepiece that comprises at least one monobloc ribbon of metal glass including at least one curvature. The method is characterized in that said method comprises the step of shaping by means of plastic-deformation said monobloc ribbon in order to obtain at least a portion of said curvature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.