METHOD AND SHEARS FOR CUTTING Russian patent published in 1996 - IPC

FIELD: mechanical engineering. SUBSTANCE: method comprises cutting a ring as many time as many ring parts are required along the axis of the ring, two cuts being performed simultaneously. The rings should be interposed between the cutting edges in ring groove. The shears comprises cutting edges mounted on jaws coupled with a drive for setting them in reciprocation and additional pair of cutting edges that are secured rigidly and coupled with the first pair of the cutting edges, arranged parallel to them, and moved in the same plane, the cutting plane being at a right or acute angle to the plane of the ring. EFFECT: enhanced efficiency. 3 cl, 4 dwg