IMMERSION VIBRATOR Russian patent published in 1998 - IPC

FIELD: construction machinery and equipment. SUBSTANCE: immersion vibrator is intended for internal compaction of concrete mix, sandy ground, etc. Device has working member in the form of flexible cylindrical shell which is filled with liquid and connected with pulsator. Located inside shell is core in the form of strip. Width of strip is larger than inner diameter of shell in non-deformed condition, but is less than half of length of circumference of aforesaid diameter. Strip can be made of rigid material with flexible coating in zone of contact with shell. EFFECT: higher efficiency. 1 cl, 3 dwg