Removal manner and that work material of graphite from surface range of work material

摘要

(57) Abstract This invention the work material which consists of the MeC material which includes the graphite which distributes (1) regards the manner where the contact surface (3) removes the graphite from the surface range slowly. At that time the holder which covers the work material the wax contact surface (3) excluding on first (2) you insert inside, you burn up the graphite from the surface range that the wax contact surface (3) is heated continuously in oxidation atmosphere. The work material due to this invention which consists of the MeC material which contains the graphite which distributes (1) is superior in the surface range which removes the graphite due to the fact that the brazing and soldering aspect (3) burns up just one side of the surface range. The work material (1) is the contact pad for the especially electric breech operating mechanism.