Method for fabrication of a balance spring of a predetermined stiffness by removal of material

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United States of America Patent

PATENT NO 10324417
APP PUB NO 20170176940A1
SERIAL NO

15354317

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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 of increased thickness, determining the stiffness of the balance spring formed in step a) in order to remove a volume of material 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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dubochet, Olivier Port, CH 5 9
Niedermann, Philipp Peseux, CH 5 40

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