One-time fill aerosol valve

Details One-time fill aerosol valve One-time fill aerosol valve

1993-07-29

1995-03-28

Kashnikow, Andres

Dispensing

Processes of dispensing

222147, 22240213, 22240220, B65D 4900

Patent

active

054009200

ABSTRACT:
A valve for delivering a metered dose of a medicinal aerosol formulation. The valve has a filling state, a filled state, a metering state, and a dispensing state. A metering chamber is formed when the device is taken from the filled state to the metering state. Once the valve has been placed in the filled state it can no longer be placed in the filling state.

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patent: 5018552 (1991-05-01), Politi et al.
patent: 5131625 (1992-07-01), Hacker et al.
patent: 5305925 (1994-04-01), Vogel

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