Invention Grant
- Patent Title: Thermocompensated spring and method for manufacturing the same
- Patent Title (中): 热补偿弹簧及其制造方法
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Application No.: US14078730Application Date: 2013-11-13
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Publication No.: US09238263B2Publication Date: 2016-01-19
- Inventor: Christian Charbon , Marco Verardo , José Quintana
- Applicant: Nivarox-FAR S.A.
- Applicant Address: CH Le Locle
- Assignee: NIVAROX-FAR S.A.
- Current Assignee: NIVAROX-FAR S.A.
- Current Assignee Address: CH Le Locle
- Agency: Griffin and Szipl PC
- Priority: EP09163283 20090619; CH1343/09 20090831
- Main IPC: G04B17/22
- IPC: G04B17/22 ; B21F3/00 ; F16F1/02
Abstract:
The invention relates to a method of manufacturing a spring for a timepiece, including the following steps: (a) forming a body using first and second metallic materials secured to each other; (b) decreasing the section of the body; and winding the body to form the spring. The invention also relates to the spring obtained via the method. The invention concerns the field of regulating members for timepieces.
Public/Granted literature
- US20140137411A1 THERMOCOMPENSATED SPRING AND METHOD FOR MANUFACTURING THE SAME Public/Granted day:2014-05-22
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