PRE-COMBUSTION MIX DRUM
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United States of America Patent
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N/A
Issued Date -
Mar 29, 2007
app pub date -
Sep 22, 2006
filing date -
Sep 23, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A counter flow VAM and RAP asphalt plant having concentric drums, each with a conveyor for introducing material, the concentric drums with a plurality of passages between them permitting material to move from the inner drum to the outer drum and from the outer drum into the inner drum, thereby permitting at least some material to proceed through the asphalt plant and bypass direct exposure to high temperature flame emitted by an internal burner.
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Cited Art Landscape
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