Packaging and pressurized dispensing assembly with extemporaneou

Details Packaging and pressurized dispensing assembly with extemporaneou Packaging and pressurized dispensing assembly with extemporaneou

1999-01-14

2000-10-17

Shaver, Kevin

Dispensing

With discharge assistant

Container with follower

222389, 222399, 222496, B67D 542

Patent

active

061317764

ABSTRACT:
An assembly for packaging and pressurized dispensing of a product, particularly a cosmetic, including a first container which is surmounted by a first valve capable of moving from a closed position to an open position for dispensing the product, and which defines two compartments which are separated in a leaktight manner by a movable piston. The first compartment contains the product and the second compartment receives a propellent gas capable of pressurizing the product via the movable piston. When the valve is in a closed position, the second compartment is substantially at atmospheric pressure.

REFERENCES:
patent: 3788525 (1974-01-01), Thornton et al.
patent: 4197884 (1980-04-01), Maran
patent: 5133701 (1992-07-01), Han
patent: 5522526 (1996-06-01), DeLaforcade et al.

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