发明名称 BRAZED BIMETAL EXTERNAL PART OF A TIMEPIECE
摘要 A method of manufacturing an external part of a timepiece, including: providing a metallic base made of a first material including titanium and/or a first titanium alloy; providing at least one metallic cover plate made of a second material, the second material including a second metal chosen from among gold or platinum, and/or a second alloy including at least gold or platinum, the at least one cover plate being of a thickness greater than or equal to 0.5 millimeters; brazing the cover plate onto the base with a braze material chosen for brazing titanium with gold or respectively platinum to form a bimetallic blank; and shaping the bimetallic blank to give the external part its final form.
申请公布号 US2015124573(A1) 申请公布日期 2015.05.07
申请号 US201314401730 申请日期 2013.05.17
申请人 The Swatch Group Research and Development Ltd. 发明人 Knuchel Daniel
分类号 G04B37/22;A44C5/00 主分类号 G04B37/22
代理机构 代理人
主权项
地址 Marin CH