Dispensing – Automatic control – Material level control
Patent
1986-12-19
1989-04-18
Rolla, Joseph J.
Dispensing
Automatic control
Material level control
2221445, 222319, 222424, 222426, 222510, 222504, 141245, B67D 508
Patent
active
048219215
ABSTRACT:
Liquid dispensing apparatus is disclosed having at least one liquid dispensing chamber and an associated prefill chamber with displacement mechanism for transferring liquid therefrom to the dispensing chamber. The dispensing chamber is in communication with the prefill chamber over a weir so that liquid in the dispensing chamber in excess of a predetermined measure flows back over the weir to the prefill chamber. The dispensing chamber has an outlet openable and closable by a seal to dispense the measure held in the dispensing chamber.
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Cartwright Garry E.
Palmer Paul
Huson Gregory L.
Rolla Joseph J.
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