DRIVE FOR MOVING DEVICE FOR MAKING HOLES IN GROUND Russian patent published in 1995 - IPC

FIELD: making holes in ground. SUBSTANCE: drive for moving device for making holes in ground has hollow body, generator for producing working agent, nozzle block with nozzle for efflux of working agent located on body rear end and drive starting device. Working agent generator is made form of vessel for single-component propellent, mainly, hydrogen peroxide or hydrazine hydrate and appliance for supply of catalyst into vessel inner space. Vessel for single-component propellent located in body inner space. Inner space of vessel for single-component propellent is communicated with nozzle of nozzle block through starting device. EFFECT: higher efficiency. 9 cl, 4 dwg