Dispensing apparatus with measured chamber and aerosol type...

Details Dispensing apparatus with measured chamber and aerosol type... Dispensing apparatus with measured chamber and aerosol type...

2005-07-26

2005-07-26

Derakshani, Philippe (Department: 3754)

Dispensing

With discharge assistant

Fluid pressure

Reexamination Certificate

active

06921005

ABSTRACT:
A dispensing apparatus and an aerosol type dispenser therewith for discharging contents stored in a measured chamber effectively. The dispensing apparatus is comprised of a cylindrical portion for providing a circular recess portion which keeps a part of the contents in the measured chamber and a cylindrical skirt for providing a detour in the circular recess portion. The cylindrical portion and/or the cylindrical skirt form grooves so as to make a sectional area for flowing contents smaller. In mode in use, the upstream contents positioned inside space of the cylindrical skirt take a long way around the circular recess portion at high speed and high pressure, therewith contents settled in the circular recess portion are forced to sent to the passage of the valve stem certainly.

REFERENCES:
patent: 4025046 (1977-05-01), Boris
patent: 4964547 (1990-10-01), Lina
patent: 2004/0074926 (2004-04-01), Petit

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