Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent
1976-03-26
1977-04-26
Reeves, Robert B.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With discharge assistant for each source
222190, 222193, B65D 8314, B65D 8300
Patent
active
040196577
ABSTRACT:
An aerosol container is provided for foaming a liquid aerosol composition therein prior to expulsion from the container and then expelling the resulting foamed aerosol composition comprising at least two separate compartments in the container, of which a first compartment has a volume of at least 0.5 cc and is in direct flow connection with the valve passage, and a second compartment is in flow connection with the valve passage only via the first compartment; at least one first liquid tap orifice having a diameter within the range from about 0.012 to about 0.2 cm and communicating the first and another compartment for flow of liquid aerosol composition into the first compartment from the other compartment, and of sufficiently small dimensions to restrict flow of liquid aerosol composition therethrough; the ratio of first compartment volume/first orifice diameter being from about 10/x to about 400/x, where x is 1 when the orifice length is less than 1 cm, and 2 when the orifice length is 1 cm or more; at least one second gas tap orifice of sufficiently small dimensions to restrict flow of propellant gas and form bubbles of such gas in liquid aerosol composition across the line of flow thereof to the valve.
REFERENCES:
patent: 3069098 (1962-12-01), Frangos et al.
patent: 3134518 (1964-05-01), Sagarin et al.
patent: 3428222 (1969-02-01), Wright
patent: 3471064 (1969-10-01), Micallef
patent: 3615042 (1971-10-01), Marand
Marra Dorothea C.
Osipow Lloyd I.
Small Marvin
Spitzer Joseph George
Reeves Robert B.
Scherbel David A.
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