Dispensing – With discharge assistant – With movable nozzle interconnected therewith
Patent
1995-01-30
1997-04-22
Huson, Gregory L.
Dispensing
With discharge assistant
With movable nozzle interconnected therewith
2223218, 2223831, B65D 8854
Patent
active
056222866
ABSTRACT:
This unit ensures the dispensing of a liquid in the form of droplets in a virtually continuous manner and a comprises a reservoir (2) containing the liquid to be sprayed, this reservoir communicating with a feeder duct (3) of a precompression pump (4) provided with a delivery duct (5) communication with a spraying nozzle (8). There is a manually-activated pushbutton (7) for actuating the pump and spraying this liquid, this pump comprising a cylindrical body (6) joined to the feeder duct (3), and a piston (10) capable of sliding in a portion with a diameter of the body (6) under the actuation of the pushbutton (7) against a spring (11) along a stroke C. A one-way valve prevents the return of the liquid. A flexible closure (12, 13) releases a dispensing duct (14) in the pump when the pressure obtaining in the body following the actuation of the pushbutton (7) exceeds a specified value.
REFERENCES:
patent: 4271990 (1981-06-01), Kutik et al.
patent: 5068099 (1991-11-01), Sramek
patent: 5242090 (1993-09-01), Reyss
patent: 5316185 (1994-05-01), Meenan
"L'Oreal"
Huson Gregory L.
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