(under subclass 518) Apparatus in which the rolling implement comprises (1) a plurality of abutting, coaxially aligned, similar, unbroken, peripheral-edged wheel-like elements which together form an axially extending wave-like configuration of alternate ridges and grooves or (2) a single broad-rimmed element having the outer peripheral surface thereof formed of an axially or circumferentially extending wave-like configuration of alternate ridges and grooves.
SEE OR SEARCH CLASS
404, Road Structure, Process, or Apparatus,
124, for a compacting roller with specific periphery characteristic.
492, Roll or Roller,
30+, for a roll, per se, not elsewhere provided for, having surface projections, indentations or slits.