Device for forming gas-tight seal between hopper and container which is being filled with liquid or bulk material comprises trough which surrounds hopper outlet and is filled with liquid and into which sealing lip fitted to hopper dips

摘要

The device is for forming a gas-tight seal between a hopper and a container which is being filled with a predetermined amount of a liquid or bulk material. It comprises a trough (7) which surrounds the hopper outlet (10) and is filled with liquid (12). A sealing lip (14) is fitted to the hopper and this is dips into the liquid.