Dispensing – With discharge assistant – With discharge volume varying means
Patent
1980-01-16
1982-10-05
Marmor, Charles A.
Dispensing
With discharge assistant
With discharge volume varying means
222320, 222333, 141261, G01F 1106
Patent
active
043524443
ABSTRACT:
A controllable volume dosing device for providing a measured dose of material. The volume dosing device comprises a cylinder having a piston movably mounted therein for movement between a first end position and a second end position, and drive device for moving the piston between the two end positions. A valve is provided associated with the cylinder and which is positionable in a first valve position in which material may be introduced into the cylinder and a second valve position in which material may be expelled from the cylinder. The displacement of the piston within the cylinder between the first and second end positions controls the volume of the dose of such material. An adjustable stop member associated with the piston is provided for defining the first end position of the piston. The adjustable stop member is adjustably positioned to engage a member connected to the piston to set the location of the first end position to thereby control the amount of displacement of the piston between the first and second end positions. In this way, adjustment of the volume of a dose of material to be dispensed from the cylinder may be easily and simply controlled.
REFERENCES:
patent: 1000965 (1911-08-01), Davis
patent: 2315162 (1943-03-01), Rasmussen
patent: 2611524 (1952-09-01), Taylor
patent: 3297210 (1967-01-01), Lucas
patent: 3381854 (1968-05-01), Blanchet
patent: 3565298 (1971-02-01), Ohlin et al.
patent: 4120202 (1978-10-01), Range et al.
patent: 4227627 (1980-10-01), Bennett
Borg Bernt V.
Lewis Roy D.
Marmor Charles A.
Norden Packaging Machinery Aktiebolag
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