Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent
1984-06-28
1986-11-11
Rolla, Joseph J.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With discharge assistant for each source
222145, 222252, 222450, 137 99, 141261, 366180, 366187, 366194, 425206, 425257, 425564, B67D 556
Patent
active
046217479
ABSTRACT:
An apparatus for charge-wise dosing a metered volume quantity of liquid medium to be supplied continuously under delivery pressure, comprising a pair of serially connected cylinder-and-piston assemblies of different diameters the cylinder blocks being arranged axially relatively to each other, forming a composite housing; a supply conduit for the flowing medium connected to the smaller diameter cylinder block and a filling nozzle connected to the larger diameter cylinder block and containing a discharge opening; a tube operating as a piston member for reciprocation in the composite housing, which tube is in direct communication with the smaller diameter cylinder block and connected to the larger diameter cylinder block via a passage provided in the larger diameter piston. The tube operating as piston member carries at least the larger diameter piston; a first valve by means of which the passage in the larger diameter piston is closable and a second valve by means of which the access to the filling nozzle is closable; and an assembly for operating the valves and controller therefor.
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Bootsma Athanasius A.
van der Velde Ype Y.
Chickering Robert B.
Grunewald Glen R.
Rolla Joseph J.
Shaver Kevin P.
Tebel Machinefabrieken B.V.
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