System, method, apparatus, means, and computer program product for recycling asphalt shingles
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United States of America Patent
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Jun 18, 2019
Grant Date -
Jul 19, 2018
app pub date -
Mar 15, 2018
filing date -
Aug 19, 2014
priority date (Note) -
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Abstract
A method for producing an asphalt mix suitable for use as an asphalt pavement is provided. The method may include receiving in a preliminary mixing unit an asphalt shingle material input from a first feed system and a fluid asphalt material input from a second feed system, and heating and melting the asphalt shingle material and the fluid asphalt material in the preliminary mixing unit and then agitating the same to produce a molten asphalt. The method may include receiving in a primary mixing unit recycled asphalt material input from a third feed system and particulate material input from a fourth feed system, and mixing the molten asphalt from the preliminary mixing unit in the primary mixing unit with the same to produce an output of said asphalt mix. The method may include recirculating, in an intermediate tank, the molten asphalt.
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