Translations:Vacumatic filler/1/en

Filling systems

Introduced by Parker in 1933 with the launch of the Vacumatic model, it was advertised as the first rubber sacless filling system. In fact this is absolutely not true (a classic example of misleading advertising) both because at the time there were already several versions of rubber sacless filling systems, such as the plunger filler of Onoto and the piston filler of Pelikan, or because in reality the filling always relies on a flexible rubber element, the diaphragm, even if this does not perform the functions of a tank.