Dispensing unit for at least one product, a cosmetic product in

Details Dispensing unit for at least one product, a cosmetic product in Dispensing unit for at least one product, a cosmetic product in

1990-07-23

1992-03-31

Huppert, Michael S.

Dispensing

Collapsible wall-type container

With casing or support

222260, 222321, 222380, 222383, 222387, B67D 500

Patent

active

051000270

ABSTRACT:
A unit for dispensing products in cream, liquid or powder form, comprising on a container (2) with a flexible bag or with a follower piston, a push button (8) forming a pump body sliding on a hollow piston (10) capable of being closed by a first valve (13), the outlet opening for the product in the push button (8) being provided with a second valve (25) that only opens in the dispensing direction of the product.

REFERENCES:
patent: 3187960 (1965-06-01), Gorman
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patent: 3820689 (1974-06-01), Cocita
patent: 4050613 (1977-09-01), Corsette
patent: 4084731 (1978-04-01), Ayres
patent: 4099651 (1978-07-01), Winckelmann
patent: 4124150 (1978-11-01), Moss
patent: 4394939 (1983-07-01), Thor et al.
patent: 4457454 (1984-07-01), Meshberg
patent: 4511068 (1985-04-01), Bossing
patent: 4696415 (1987-09-01), Meshberg
patent: 4705195 (1987-11-01), Heck
patent: 4795063 (1989-01-01), Sekiguchi et al.
patent: 4872596 (1989-10-01), Corsette
patent: 4875604 (1989-10-01), Czech
patent: 4892228 (1990-01-01), Yano
patent: 4903868 (1990-02-01), Ichihara et al.
patent: 4936493 (1990-06-01), Foster et al.
patent: 4978036 (1990-12-01), Burd
French Search Report dated Mar. 19, 1990--FR8910000.

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