Dispensing – With material treatment or conditioning means
Patent
1997-05-27
1999-04-13
Derakshani, Philippe
Dispensing
With material treatment or conditioning means
222195, 366101, B67D 558
Patent
active
058934863
ABSTRACT:
A foam-dispensing device includes a main tubular housing which houses a material cartridge. Several chambers are formed within the material cartridge with each chamber containing a separate material. A motionless mixer is attached to the dispensing end of the cartridge. The motionless mixer includes a tapered rear end into which the materials flow exposing the materials to one another, and a front end containing a helical mixing element. A hole is formed transversely in the motionless mixer between the rear end of the mixer and the helical mixing element for receiving a supply of pressurized gas therethrough. The materials flow out of the cartridge and into the rear end of the motionless mixer. After the materials have been exposed to one another, the materials pass by the hole and are injected with the supply of pressurized gas. The pressurized gas is injected into all of the materials after the materials have contacted one another but before the materials are mixed together by the helical mixing element. The aerated materials flow through the helical mixing element and are mixed into a foam compound before being dispensed from the foam-dispensing device.
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Derakshani Philippe
Liquid Control Corporation
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