| 摘要 |
1,096,473. Compacting concrete. LOSENHAUSENWERK DUSSELDORFER MASCHINENBAU A.G. Dec. 21, 1965 [Jan. 16, 1965], No. 54092/65. Heading B1C. [Also in Division F2] A vibrator for the compaction of surface concrete comprises a sealed casing 1 for a central motor 5 driving out-of-balance weights 10 .. 13, the supply for the motor being effected through a central T-connection 14. In the preferred embodiment, an electric motor having its shaft supported in bearings 8, 9 and its supply cable 17 enclosed in a protective hose 18 is employed, the hose being clamped by a ring 20 to a nozzle 15 screwed into the connection 14, |
