FIELD: cutting processes and equipment, namely for cutting fittings. SUBSTANCE: apparatus includes cylinder with lengthwise grooves and with openings for reducing gas pressure. Piston with rod is arranged in cylinder. Actuating mechanism is in the form of movable and fixed cutters. Tail portion of movable cutter is arranged in end portion of cylinder. Piston rod is introduced to inner cavity of cylinder end portion with possibility of axial motion. EFFECT: lowered size and mass of apparatus. 1 dwg
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