METHOD FOR MANUFACTURING WATCH CASE (VERSIONS) Russian patent published in 2017 - IPC G04B37/18 

FIELD: physics.

SUBSTANCE: for the manufacture of the watch case, in the first version, a strip with a given content of a precious metal of the required thickness is obtained and its one-piece connection with the solder is performed. The resulting bimetallic strip is rolled into the required thickness and with the help of metalworking operations, a blank of the outer part of the watch case is obtained from it. Then, from metal, by means of metalworking operations, the blank of the inner part of the watch case is made, after which the obtained blanks of the inner and outer parts are connected to each other and the assembled unit is disassembled, thereby obtaining the watch case. For the manufacture of the watch case according to the second version, by means of metalworking operations, a blank of the outer part of the watch case with a specified content of the precious metal is obtained. Then a metal strip is produced and its permanent connection with the solder is performed. The resulting bimetallic strip is rolled into the required thickness and with the help of metalworking operations, a blank of the outer part of the watch case is obtained from it. Then the obtained blanks of the inner and outer parts are connected to one another and the assembled unit is disassembled, thereby obtaining a watch case.

EFFECT: providing a case that has a high rigidity with a minimum consumption of precious metal.

22 cl, 1 dwg