Dispensing – With discharge assistant – Fluid pressure
Patent
1989-01-30
1990-07-31
Shaver, Kevin P.
Dispensing
With discharge assistant
Fluid pressure
2224021, 222564, B65D 8314, G01F 1132
Patent
active
049444336
ABSTRACT:
A metering valve for a pressurized dispensing container. The container is intended to operate in the inverted position. An element having a raised peripheral portion is provided about the valve housing which substantially closes the space between the wall of the container and the valve housing. The element prevents the settling of active substances of the material being dispensed in the region of the inlet opening of the metering valve.
REFERENCES:
patent: 3464596 (1969-09-01), Meshberg
patent: 4407481 (1983-10-01), Bolton et al.
patent: 4744495 (1988-05-01), Warby
Daab Ottfried
Knecht Adolf
Weil Hans-Hermann
Boehringer Ingelheim KG
Frankhouser D. E.
Shaver Kevin P.
Stempel A. R.
Timbers M-E. M.
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