Pressure responsive diaphragm valve
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United States of America Patent
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-
Jan 9, 1990
Grant Date -
N/A
app pub date -
Nov 18, 1988
filing date -
Mar 25, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure responsive diaphragm valve, particularly suitable for a respiration responsive valve for a respirator mask. The whole of the valve assembly body is constituted by the mutually laminated layer members and assembled by simply tightening the layer members together. All of the layer members can be made by molding, without machining.
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