SEGMENT OF THE LEAF OF TEARING ROTATION HEAD OF THE TYRE TEARING MACHINE

摘要

Blades for tire rasps are disclosed in which the outer edge of their teeth have cutting edges inclined at a positive rake angle and cooperating buffing edges inclined at a negative rake angle, the teeth having other similarly inclined cutting and buffing edges at levels inwardly of the original outer tooth edge to which the teeth may be sharpened as the original cutting and buffing edges become worn.