Coating implements with material supply – Including means to apply material-moving force – In or at feeder
Patent
1983-12-16
1985-09-10
Bratlie, Steven A.
Coating implements with material supply
Including means to apply material-moving force
In or at feeder
401149, 401188R, 401197, 401206, 401208, 401279, 251289, B05C 1702
Patent
active
045403015
ABSTRACT:
A peristaltic-type pump having an intake which may be conveniently connected to a liquid coating source includes an impeller having a pair of rollers. Rotation of the impeller causes the rollers to progressively compress a length of tubing in the pump. This compression creates suction to draw the coating material into the pump and pressure to drive a flow of coating to a handle attached to an applicator. The handle includes flow control devices which may be selectively operated to supply coating to the applicator only as required. During periods of non-flow the coating pressure is sensed to deactivate the pump when the pressure exceeds a preselected limit. Deactivation of the pump saves energy and prolongs a life of the pump.
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patent: 4231668 (1980-11-01), Groth et al.
Lerum Robert D.
Swanson Dennis E.
Bratlie Steven A.
Schmitt John L.
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