Non collapsing pre-assembled flexible duct connector
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United States of America Patent
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Sep 7, 1999
Grant Date -
N/A
app pub date -
Aug 27, 1996
filing date -
Aug 16, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A continuous length of pre-assembled, metal-to-fabric-to-metal stock material for fabricating custom-made, flexible duct connectors of any diameter which incorporate a structural means for minimizing the risk of inward collapse of a fabric strip when the fabric strip is subjected to considerable negative air pressure due to installation between a duct and an inlet of an axial flow fan or blower.
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