Cleaning apparatus for fixed volume filling apparatus of rotary

Details Cleaning apparatus for fixed volume filling apparatus of rotary Cleaning apparatus for fixed volume filling apparatus of rotary

1986-05-14

1987-08-25

Skaggs, H. Grant

Fluent material handling, with receiver or receiver coacting mea

With soil removing, coating, lubricating, sterilizing and/or...

With cleaning, coating or drying means

141146, 222146, B65B 104

Patent

active

046886117

ABSTRACT:
A cleaning apparatus for a fixed volume, rotary filling apparatus. A rocking cam mechanism drives metering cylinder units. During cleaning, the rocking cam mechanism brings the individual pistons of several metering cylinder units to a common elevation, and a rotatable member lowers the corresponding cylinders so as to relatively slidably displace the pistons and the cylinders to a greater degree than during a normal filling operation, to enable seals (which normally seal the cylinder during the filling operation) to be separated from each other to define a cleaning passage therebetween. A valve mechanism selectively swtiches communication of the metering cylinder unit between a tank to be filled and the filling nozzle, during the normal filling operation, by changing paths formed in the sliding surfaces of a valve housing and a valve element by relative displacement therebetween. The valve housing and the valve element are relatively movable between a filling position, and a cleaning position. The sliding surfaces are separated from each other in such cleaning position to define a cleaning passage therebetween.

REFERENCES:
patent: 3207189 (1965-09-01), Vergobbi
patent: 3874825 (1975-04-01), Jentsch
patent: 4024896 (1977-05-01), Ishioka et al.
patent: 4273263 (1981-06-01), Voegele et al.

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