ROLLER'S CYLINDER Russian patent published in 1995 - IPC

FIELD: machines to compact pavements. SUBSTANCE: roller's cylinder has shell 1, wave generators 5. Wave generators 5 has rolls 13. Rolls 13 are exposed to shell 1 along its internal surface. Barrel-shaped support 17 is installed over shell 1 along its generatrix. Support 17 and rolls 13 are provided with mechanisms to move them in radial direction about cylinder axis. EFFECT: increased effectiveness in compacting material at the expense of increased deformation of the shell in its middle part. 2 cl, 2 dwg