PORTABLE BITUMEN FOAMER APPARATUS
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United States of America Patent
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Issued Date -
Nov 7, 2013
app pub date -
Nov 13, 2012
filing date -
Nov 14, 2011
priority date (Note) -
Abandoned
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Abstract
A device for producing small-scale batches foamed bitumen. The device has a first pressurized, holding chamber for heating bitumen to a selected temperature, a second pressurized, holding chamber for heating bitumen additive (e.g., a foaming agent or chemical additive) to a selected temperature, and various conduits and valves as needed for delivering heated and pressurized bitumen with heated and pressurized additive to a mixing chamber having a selected volume to produce foamed bitumen.
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