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摘要

A tank has at least two open tank parts (1, 2) made from plastic material by injection molding or injection molding and embossing. The tank parts have opening edge structures (R) which are joined to each other in a joining plane (E) and of separately produced separation wall(s) (T) which extends in the tank crosswise to the joining plane. The separation wall is supported at the edge at walls of the tank parts such that at least some peripheral regions are watertight. It is made from two, preferably, identical separation wall parts (T1, T2), which are joined to each other in the joining plane. A tank comprises at least two open tank parts (1, 2) made from plastic material by injection molding or injection molding and embossing. The tank parts have opening edge structures (R) which fit on each other and which are joined to each other in a joining plane (E) and of separately produced separation wall(s) (T) which extends in the tank crosswise to the joining plane. The separation wall is supported at the edge at walls of the tank parts such that at least some peripheral regions are watertight. The separation wall is made from two, preferably, identical separation wall parts (T1, T2), which are joined to each other in the joining plane. The tank is formed cylindrical from the two identical tank parts having outwardly rounded end caps (7) by joining the tank parts in the joining plane containing a cylinder axis (X). The joining plane, preferably, is horizontal in the usage position of the tank. Ribs (6) and grooves (5) are oriented in the tank parts perpendicular to the joining plane and continue in one another over the joining plane. A round dome boss (3) having a flat covering disc (4) is formed into each tank part radially to the cylinder axis. The covering disc forms a flat portion of the cylinder, such that the ribs and the grooves are interrupted along the covering disc.