Fluid flow control unit
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United States of America Patent
Stats
-
Jan 18, 1994
Grant Date -
N/A
app pub date -
Oct 17, 1991
filing date -
Oct 25, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An irrigation emitter unit is provided comprising an outer member of substantially cylindrical shape and having a tapering base portion with fluid flow coupling means; an inwardly directed peripherally flanged edge portion of the outer member; an inner member having a body portion of substantially cylindrical shape substantially sealingly fitted within the outer member and having a cover portion formed integrally therewith; a peripheral edge portion of the cover portion juxtaposed below the flanged edge portion of the outer member; an elongated groove formed in the cylindrical surface of the body portion; a cavity formed in the body portion and communicating at one end thereof with a fluid flow inlet; an inwardly directed flange formed integrally with the walls of the cavity; and a resiliently flexible membrane located within the unit.
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