Trackless tack pre-coating system and method for hot mix asphalt paving
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United States of America Patent
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Nov 22, 2011
Grant Date -
Oct 15, 2009
app pub date -
Apr 9, 2009
filing date -
Apr 11, 2008
priority date (Note) -
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Abstract
A tack emulsion pre-coating system for use in hot mix asphalt plant paving which comprises providing a triangular-shaped tack emulsion cart deployed ahead of a paver, and configured to operate under a conveyor from a transfer vehicle supplying the paver with HMA, where the cart comprises a forward spray bar which sprays tack emulsion on a surface located between the wheels of the paver so as not to leave tracks and with rear spray bars for spraying tack emulsion behind the wheels, but not behind a central area between the wheels of the paver.
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