Aerosol inhalation device
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United States of America Patent
Stats
-
Jan 31, 1995
Issued Date -
N/A
app pub date -
Oct 6, 1993
filing date -
May 14, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A diaphragm valve mechanism comprises a diaphragm valve support structure having passages extending therethrough. Projecting normal to a grid are a number of locating pins which are adapted to extend through holes in the diaphragm valve. The diaphragm valve is formed of flexible material and is provided with a pair of cross slits, each corresponding with the grid bridge element. The central portion of the diaphragm valve is located within a major flow passage whereas the outer peripheral edge portion of the diaphragm valve is located within an exit passage.
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Family
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