Control or indicator switch in a case, fastened by threads, is screwed by hand into a drilled hole on a mounting plate or wall.

摘要

A soft elastic substance, applied by using a two-component injection moulding technique, is fitted in a transition region between a cylindrical case (2) and a head part (3). This substance has a fixing function as well as a sealing function, optimized by rib-shaped fins (6a,6b).