US Patent Issued to NIVAROX-FAR on Sept. 29 for "Method for treating a balance spring for a horological movement" (Swiss Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,383, issued on Sept. 29, was assigned to NIVAROX-FAR S.A. (Le Locle, Switzerland).

"Method for treating a balance spring for a horological movement" was invented by Lionel Michelet (Sainte-Croix, Switzerland), Christian Charbon (Chezard-St-Martin, Switzerland) and Marco Verardo (Les Bois, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for treating a balance spring for a horological movement. The balance spring is made from an Nb-Ti alloy. The method includes a step of steaming, called climatic steaming, in a temperature range comprised between 30 and 100deg C. in an atmosphere having a relative humidity comprised between 60 and...