.~ Including cooperating surfaces to induce rolling {6}
57
.~.~ Roller
DEFINITION
Classification: 131/57
Improvements under subclasses 27.1+ in the roller element, per se. Rollers of apron machines are here included. The rolls may be provided with tip shaping means when said means is part of the roll or is integrally connected thereto.
SEE OR SEARCH THIS CLASS, SUBCLASS:
29, and 30, for rolling surfaces combined with tip formers not parts of the rollers.
SEE OR SEARCH CLASS
492, Roll or Roller, for a roll, per se, not elsewhere provided for, and see the notes thereunder.