It features that by the pressure which is higher than 80 bars/var in the vacuum cutoff chamber for production

摘要

This invention, in the breaker part for the cutout gear for low pressure, the cutout gear for medium pressure and the cutout gear for high pressure or superordinate concept of claim 1 of plastic constitution unit regards the breaker part of type of statement in production method, and claim 11 of type of statement. Quite, in order to make the simple production with various material qualities possible, with the production method of being based on this invention as for insulation coating outside it forms with plastic injection molding method, because of this it has reached the point where injection molding covers the vacuum cutoff chamber.