发明名称 THERMOCOMPENSATED SPRING AND METHOD FOR MANUFACTURING THE SAME
摘要 The invention relates to a method of manufacturing a spring for a timepiece, including the following steps: (a) forming a body using first and second metallic materials secured to each other; (b) decreasing the section of the body; and winding the body to form the spring. The invention also relates to the spring obtained via the method. The invention concerns the field of regulating members for timepieces.
申请公布号 US2014137411(A1) 申请公布日期 2014.05.22
申请号 US201314078730 申请日期 2013.11.13
申请人 NIVAROX-FAR S.A. 发明人 CHARBON CHRISTIAN;VERARDO MARCO;QUINTINA JOSÉ
分类号 B21F3/00 主分类号 B21F3/00
代理机构 代理人
主权项
地址