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US 7,337,542 B2Granted
Method for manufacturing hour-symbols and installation for implementing the same
AssigneeNivarox-FAR S.A.
InventorsJean-Luc Brazin, Pierre-Andre Buhler
Life of this patent
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Abstract
The method consists, from a profile having a section corresponding either to the envelope of the base of the symbol or to that of its section, in first of all machining the feet, transferring the preformed profile in a clamp, gripping the symbol by the feet, cutting the preform, shaping and diamondpolishing all of the visible faces of said symbol, and transferring said finished symbol into an individual packing tray using a robot.
Claims8
A method of manufacturing hour symbols with feet and visible surfaces, for securing the base of said symbols to a dial, from a metal profile, comprising the steps of:
- a first step in which the feet are milled in one end of the profile and a preform is preformed,
- a second step in which the feet are gripped in a clamp and the preform is cut, and
- a third step in which the preform is finished in the shape desired for the symbol and all visible surfaces are diamondpolished.
Dependencies are inferred from the claim text.