Powder Barrier Coupling for Powder Spray Systems
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United States of America Patent
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Issued Date -
Nov 13, 2008
app pub date -
May 7, 2007
filing date -
May 7, 2007
priority date (Note) -
Abandoned
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Abstract
A powder barrier coupling for a pneumatic line of a powder spray system which is air passable but powder impassable. An exterior shell forms a passage. Disposed sealingly within the passage is a porous filter media having an average pore size and thickness which are predetermined to permit passage therethrough of air, but prevent the passage therethrough of powder of a selected average cross-sectional size.
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