FIELD: applying liquids to surfaces by spraying.
SUBSTANCE: device comprises feeding connecting pipe and calibrating and flexible members that are secured to the connecting pipe in series. The flexible member is made of a core whose top is secured in the bottom section of the feeding connecting pipe. The outer side of the feeding connecting pipe is provided with the centering rollers. The feeding connecting pipe receives the piston for delivering portions of liquid. The calibrating member is made of a nozzle whose top section is connected with the chamber for compressed gas through the additional air pipeline that passes along the axis of the feeding connecting pipe. The air main pipeline is provided with control valve. The air main line that connects the chamber for compressed gas with the above-piston space of the feeding connecting pipe is shifted and passes along the axis of the device. The piston is provided with sealing members.
EFFECT: improved design.
2 dwg
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