Mechanically actuated pipette dispenser

Details Mechanically actuated pipette dispenser Mechanically actuated pipette dispenser

1982-03-29

1984-03-20

Rolla, Joseph J.

Dispensing

With casing or support

Bracket or suspension supported

222309, 7386423, B67D 506, G01F 1106

Patent

active

044375867

ABSTRACT:
A liquid dispenser is disclosed, comprising a vented pipette and an actuator for the pipette. The actuator includes apparatus for mounting the pipette and a mechanism for automatically lowering a piston into the pipette to a predetermined starting level before the pipette vent is sealed, to insure that a predictable quantity of liquid is dispensed once the vent is sealed.

REFERENCES:
patent: 3161323 (1964-12-01), Bent
patent: 3166938 (1965-01-01), Weyrauch et al.
patent: 3248950 (1966-05-01), Pursell et al.
patent: 3290946 (1966-12-01), Pursell
patent: 4099548 (1978-07-01), Sturm et al.
patent: 4316558 (1982-02-01), Kubiak
patent: 4335621 (1982-06-01), Tervamaki et al.

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