CUTTER FOR CUTTING TIRES OR THEIR FRAGMENTS Russian patent published in 2014 - IPC B29B17/02 

FIELD: machine building.

SUBSTANCE: cutter comprises a replaceable movable ring-shape cylindrical blade and two or more cylindrical mandrels with equal or different outer diameters fixed on a movable platform parallel and able of reciprocating movement in respect to the ring-shape cylindrical blades in the plane perpendicular to the axis of their symmetry. Cylindrical mandrels are made as a system of interconnected segments able of moving in radial direction with the help of a lever-and-screw mechanism.

EFFECT: improved efficiency of cutting process and reduced power consumption, simplified and easier process to remove cut parts of tires or their fragments from the cutting zone.

3 cl, 7 dwg