Foam silicone parts in irrigation emitters
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United States of America Patent
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Issued Date -
Nov 19, 2009
app pub date -
Aug 9, 2006
filing date -
Aug 17, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An elastic membrane is provided for use in a flow-control device comprising a housing with a seat of a predetermined shape and dimensions for the membrane such that when the membrane is mounted in the seat, the membrane is deflected by a pressure differential between its two opposite sides. The elastic membrane has a predetermined shape and dimensions matching the seat and is made of foamed elastomer with closed cells of predetermined cell density and morphology.
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Cited Art Landscape
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