SCHAUMEINLASSVORRICHTUNG FUER FLUESSIGKEITSTANKS

摘要

Device for foam admission for liquid storage vessels comprising a two-part frame (1) with circular opening, the mutually opposite frame parts (4) and (5) of which are respectively provided over the circumference of the circular opening with a groove (6) for receiving annular blades (7) and (8) and, if appropriate, adapter rings (9) and (10), and a film (2) is clamped between the parts (4) and (5) thereof.