Dispensing – Collapsible wall-type container – Plural container and/or compartment
Patent
1991-04-22
1992-12-01
Kashnikow, Andres
Dispensing
Collapsible wall-type container
Plural container and/or compartment
222136, 22240221, B65D 8314
Patent
active
051673479
ABSTRACT:
This invention relates to a multi-fluid mixing and automatic mettering dispenser for co-dispensing a pressurized permanent hair dye composition, having a first container containing a hair dye and propellant material, a second container disposed within the first container and containing a dye developer material, a nozzle structure defining a discharge passageway and a valve structure having first and second valves for controlling passage of the materials through the nozzle. The nozzle structure permits concurrent operation of the first and second valves to permit simultaneous flow of the materials form the first and second containers through the discharge passageway under the influence of the propellant, such that the materials exit from the dispenser at an overall flow rate not greater than about 1.8 gm/sec, and the flow ratio of the hair dye and propellant material exiting the first valve to the dye developer material exiting the second valve is in the range of about 1.9 to 2.5:1.
REFERENCES:
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Peischl Gregory C.
Wiegner Thomas F.
Clairol Incorporated
DeRosa Kenneth
Kashnikow Andres
Santini Anthony M.
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