Dispensing valve and dispensing container equipped with such a v

Details Dispensing valve and dispensing container equipped with such a v Dispensing valve and dispensing container equipped with such a v

1995-10-02

1997-12-09

Shaver, Kevin P.

Dispensing

With discharge assistant

Fluid pressure

222148, B65D 8314

Patent

active

056950969

ABSTRACT:
Valve (3) for dispensing a product using a propellent gas, comprising a chamber (5) communicating with the product, in which chamber there is mounted a nozzle stem element (7) fitted with an ejection passageway (11a, 11b) placing the outside in communication with the chamber, the nozzle stem element being urged by a spring (13) towards a first position in which the passageway is closed; an additional gas intake orifice (14); a moving annular seal (15) arranged on the nozzle stem element and, in the position of rest, closing off the orifice and dividing the chamber into a first compartment (A) and a second compartment (B), the chamber and the nozzle stem element in a second position placing the orifice and the outside in communication for letting the gas out, the first and second compartments being separated, structure (C) for temporary communication being provided in the chamber, this structure being inoperative in the first and second positions and operative in a third position of the nozzle stem element to place the first and second compartments in communication.

REFERENCES:
patent: 2867356 (1959-01-01), Thomas
patent: 3033473 (1962-05-01), Kitabayashi
patent: 3061203 (1962-10-01), Kitabayashi
patent: 3217936 (1965-11-01), Abplanalp
patent: 3283962 (1966-11-01), Whitmore
patent: 3341082 (1967-09-01), Meshberg
patent: 3406877 (1968-10-01), Frangos
patent: 3497112 (1970-02-01), Samuelson
patent: 3575320 (1971-04-01), Prussin et al.
patent: 3612361 (1971-10-01), Ewald et al.
patent: 4211347 (1980-07-01), Mildern
patent: 4431119 (1984-02-01), Stoody

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