Dosating dispenser for topical formulations

Details Dosating dispenser for topical formulations Dosating dispenser for topical formulations

1983-05-05

1989-02-21

Rolla, Joseph J.

Dispensing

With discharge assistant

Displacement type

222320, 222391, 604224, B67D 508

Patent

active

048058106

ABSTRACT:
A dispenser is provided which is especially useful in dispensing measured doses of topical preparations such as creams or ointments. The dispenser includes a container for holding a supply of topical preparation. A plunger assembly is operatively mounted to the container and includes a plunger piston and a plunger shaft which carries a series of longitudinally disposed teeth. The piston and plunger shaft include communicating openings. A cap seals off the mouth of the container. A portion of the plunger shaft extends through the cap externally of the container. A lever assembly is pivotally mounted on the cap and is operatively associated with the plunger shaft and piston, the lever assembly including teeth engaging means adapted to interact with the teeth of the plunger shaft. Upon depressing the pivotally mounted lever assembly, the teeth engaging means thereof engages the teeth of the plunger shaft thereby forcing the plunger shaft and connecting plunger piston downwardly and forcing topical preparation, stored in the container, upwardly out through the plunger piston and shaft.

REFERENCES:
patent: 1217663 (1917-02-01), Taylor
patent: 1896750 (1933-02-01), Maas
patent: 2282727 (1942-05-01), Kasuske
patent: 2732101 (1956-01-01), Sohn
patent: 4444560 (1984-04-01), Jacklich

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