FIELD: hole piercing. SUBSTANCE: device has body, working member, generator for production of working agent, nozzle block with nozzle for ejection of working agent and base with guides and supporting device. Generator for production of working agent is made in form of vessel for working member, heating member and source for heat-transfer agent supply. Heating member is arranged in internal hollow of vessel. Source for heat-transfer agent supply is connected to heating member. Supporting device is made in form of thrust plate. Nozzle block is connected to thrust plate by means of arrangement for device starting. Heating member is rigidly connected to thrust plate and installed for discharge through nozzle of nozzle block. Internal hollow of vessel is communicated with nozzle of nozzle block. EFFECT: higher efficiency. 30 cl, 7 dwg
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