GAS-THERMAL COVERING APPLYING APPARATUS Russian patent published in 1998 - IPC

FIELD: equipment for preparing surfaces for spraying. SUBSTANCE: apparatus has protective grid-type shell with movable cover, part to be recovered, detachable containers for storing substandard abrasive, conical hopper for storing standard abrasive, hopper cover, pneumatic cylinder, precision piston positioned for movement within pneumatic cylinder and abutting against spring with rigidity adjusted by nut, shotblasting gun and pneumatic control valve. Supports of protective shell connected with shotblasting gun are pivotally connected with faceplate and tail spindle. Lower part of protective shell is rigidly connected with cover of hopper disposed below chamber and connected with nonstandard abrasive containers. Pneumatic control valve is mounted on control panel and connected via delivery hoses with compressed air source, pneumatic cylinder and shotblasting gun. Pneumatic cylinder is mounted for movement along guiding beam rigidly fixed in upper part of heat-and-soundproof chamber. Shotblasting gun is connected via intake hose with conical hopper, which is provided with auxiliary delivery hose. EFFECT: wider operational capabilities and enhanced reliability in operation. 2 cl, 8 dwg