Two-chamber package

Details Two-chamber package Two-chamber package

1976-11-03

1979-04-17

Lipman, Steven E.

Special receptacle or package

For mixing

222207, 222449, B65D 2508

Patent

active

041496337

ABSTRACT:
A two-chamber dispensing package comprises a supply chamber and a discharge chamber. The discharge chamber has a discharge opening closed by means of a self-closing closure and communicates with the supply chamber via an opening. The discharge member has a flexible wall which may be manually deformed to generate a pressure upon the content of said discharge chamber thereby opening said closure and discharging content therefrom. The partition between the two chambers may be a curved flexible wall with an opening and the manual pressure may be exerted upon a wall of the package which thereby covers said opening to give an accurately measured discharge from said discharge chamber.

REFERENCES:
patent: 2219604 (1940-10-01), Motter
patent: 3361305 (1968-01-01), Spatz
patent: 3486663 (1969-12-01), Humphrey
patent: 3807608 (1974-04-01), Nilsson
patent: 3910467 (1975-10-01), Nilsson

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