MACHINE FOR ROAD MARKING WITH THERMOPLASTIC MATERIALS Russian patent published in 1997 - IPC

FIELD: road marking facilities. SUBSTANCE: vehicle for applying road marking strips with thermoplastic polymeric materials has chassis, boiler with thermoplastic material, stirring and drain units, marker suspended from boiler, boiler and marker gas heating system with gas source, connecting pipelines together with their shut-off members, burners, thermoregulators, and control post. Unit for draining thermoplastic material from boiler is made in the form of pivoted gate connected with power cylinder with return mechanism. Gas heating system is provided with electromagnetic valves installed in pipelines supplying gas to boiler and marker, and with bypass line provided with throttle valve. Installed between ends of this line is additional electromagnetic valve connected with thermoregulator. Gas burners are provided with electric spark ignition units and flame sensors. EFFECT: high efficiency. 4 cl, 4 dwg