Device for the conditioning and the distribution of pasty or liq

Details Device for the conditioning and the distribution of pasty or liq Device for the conditioning and the distribution of pasty or liq

1992-07-28

1994-11-08

Shaver, Kevin P.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With discharge assistant for each source

222254, 222256, 222341, 222383, B67D 552

Patent

active

053619447

ABSTRACT:
A device for the conditioning and the distribution of pasty or liquid products comprises a casing 1 in which is located a primary chamber 3 divided in two parts by a free piston 4. This primary chamber 3 communicates with a secondary chamber 7 thanks to an aspiration channel in which is located a non-return valve 9. The secondary chamber 7 comprises a piston 16 freely sliding in this chamber and tightly connected to a push button 17 which comes out of the casing. The secondary chamber communicates by an expulsion channel having a non-return valve 12 with an expulsion hole 2 of the product. Under the action of the control piston 16, the product dose contained in the secondary chamber is expelled. When the piston 16 comes back in position a new amount of product passes from the primary chamber 3 toward the secondary chamber 7, and the non-return valve 12 prevents any intake of air inside the casing.

REFERENCES:
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patent: 4823818 (1989-04-01), DeBuyer
patent: 4872596 (1989-10-01), Corsette
patent: 4949874 (1990-08-01), Fiedler et al.

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