Method for fabrication of a balance spring of predetermined thickness through the addition of material

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United States of America Patent

PATENT NO 10324418
APP PUB NO 20170176942A1
SERIAL NO

15372725

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Abstract

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The invention relates to a method for fabrication of a balance spring of a predetermined stiffness comprising the steps of fabricating a balance spring in dimensions to obtain a deliberately lower stiffness, determining the stiffness of the balance spring formed in step a) in order to compensate for said missing thickness of material required to obtain the balance spring having the dimensions necessary for said predetermined stiffness.

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Patent Owner(s)

Patent OwnerAddress
CSEM CENTRE SUISSE D'ELECTRONIQUE ET DE MICROTECHNIQUE SA-RECHERCHE ET DEVELOPPEMENTNEUCHATEL SWITZERLAND NEUCHATEL NEUCHATEL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bucaille, Jean-Luc Presilly, FR 10 19
Hunziker, Olivier Vevey, CH 9 19
Kohler, Frederic Avry-sur-Matran, CH 4 27

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