System and method for manufacturing asphalt products with recycled asphalt shingles
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United States of America Patent
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Jun 2, 2020
Grant Date -
Dec 15, 2016
app pub date -
Aug 26, 2016
filing date -
Jul 15, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A method for manufacturing a processed asphalt suspension is provided. The method includes dry grinding shingle waste material to a particle size of less than 1 cm, forming ground recycled shingle material, introducing virgin asphalt into a heated slurry tank and mixing the ground recycled shingle material with the virgin asphalt in the heated slurry tank, forming a mixed asphalt slurry, introducing the mixed asphalt slurry into a wet grinding machine, and recovering a processed asphalt suspension comprising particles having a size no greater than about 200 microns. Roofing and paving products manufactured from the processed asphalt suspension are also provided.
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International Classification(s)
- B02C:CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERA....
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- E04D:ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING ....
- E01C:CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GR....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C10C:WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNE....
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Cited Art Landscape
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