Apparatus for forming traction grooves in the uncured tread...

Details Apparatus for forming traction grooves in the uncured tread... Apparatus for forming traction grooves in the uncured tread...

B - Operations, Transporting

29

D

164/21

B29D 30/68 (2006.01)

Patent

CA 1124969

APPARATUS FOR FORMING TRACTION GROOVES IN THE UNCURED TREAD OF A HEAVY OFF-HIGHWAY TIRE Abstract of the Disclosure An apparatus having a grooving tool for carving grooves in a tire tread drives the tool transversely of the tread while varying the elevation of the tool so as to carve curvate, chevron, herringbone, lazy-S, or other non-linear grooves. Means for orienting the cutting edge of the tool normal to the actual direction of traversing movement is disclosed. The elevation of the tool is controlled by a sensor which follows the template profile or contour as the tool travels. The orientation of the tool is also con- trolled by a sensor cooperating with a template. The apparatus includes a base adapted for movement to grooving relation with a tire mounted on a rotatable chuck or away from the tire.

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