| 摘要 |
A gas and liquid tight sealing structure for the metallic pole bush of an accumulator relative to the plastics top thereof, in which the metallic pole extends through the pole bush and is welded or soldered thereto externally. An inwardly extending counter bush (5) for the pole bush (2) is provided, the counter bush being either fixedly connected to or integrally formed with the plastics top (3). At least one annular groove (6, 7) is provided at the inner periphery of the counter bush or, preferably, at the outer periphery of the pole bush for receiving at least one sealing ring (8, 9). The annular groove is preferably formed by a cutting operation. <IMAGE> |
