Dispenser of liquid or pasty product which can be used especiall

Details Dispenser of liquid or pasty product which can be used especiall Dispenser of liquid or pasty product which can be used especiall

1996-03-21

1997-04-08

Derakshani, Philippe

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

222494, 222553, B67D 540

Patent

active

056179766

ABSTRACT:
A dispenser of liquid or pasty product that can be used particularly in cosmetics includes a contractable reservoir connected by a first valve to a variable-volume chamber whose volume can vary under the action of a push-button. The variable-volume chamber is connected to an outlet by a second valve. The variable-volume chamber is formed by a body of the push-button and a stationary piston integral with the reservoir. The body of the push-button is formed of two parts, each equipped with an orifice and able to be twisted with respect to one another between a first open position in which the orifices of the two parts of the push-button face one another and fluidly communicate and a second closed position in which the orifices do not face one another so that product contained in the variable-volume chamber is prevented from reaching the second valve, thus immobilizing the push-button.

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