Method for attachment of a balance spring for a mechanical timepiece movement and balance spring attached by such a method
AssigneeETA SA Manufacture Horlogere Suisse
InventorsJulien Christan, Thierry Conus
Life of this patent
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Abstract
Method for attachment of a last outer coil of a timepiece balance spring inside a groove provided in a balance spring stud, wherein the method includes the step of adhesive bonding the last outer coil of the timepiece balance spring by means of a fluid adhesive whose viscosity is comprised between 200 and 400 mPa·s.
Claims7
A Method for attachment of a last outer coil of a timepiece balance spring in a balance spring stud, wherein the method includes the step of adhesive bonding the last outer coil of the timepiece balance spring by means of a fluid adhesive whose viscosity is comprised between 200 and 400 mPa·s.
Dependencies are inferred from the claim text.