Fluid sprinkling – spraying – and diffusing – With signals – indicators – recorders – meters or changeable... – Position or extent of motion indicator
Patent
1989-05-22
1991-09-10
Kashnikow, Andre S.
Fluid sprinkling, spraying, and diffusing
With signals, indicators, recorders, meters or changeable...
Position or extent of motion indicator
239119, 239332, 901 43, B05B 1200
Patent
active
050466666
ABSTRACT:
An improved metering dispenser system for delivering a fixed or variable measured quantity of a high viscosity material such as adhesives or sealants for application to a substrate is disclosed. It uses an Archimedian screw pump having a stator formed with a spiral cavity therethrough, and a spiral rotor which is driven by a variable speed drive motor. The stator has a nozzle attached to its outlet end, the inlet end thereof being in fluid communication with a reservoir for the material. The dispenser system is adapted for use in combination with a robotic system so that the nozzle is manipulated thereby. The rotational speed of the drive motor is controlled in response to a signal representative of a nozzle velocity so that the nozzle can apply a ribbon of the material with a fixed width to the substrate despite nozzle velocity variations. When the nozzle is about to come to a stop, the drive motor is rotated in a reverse direction so as to cause the nozzle to stop discharging the material instantly.
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Heishin Sobi Kabushiki Kaisha
Kashnikow Andre S.
Weldon Kevin P.
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