Dust free asphalt production method and apparatus

Patent

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Details

B28C 122, B28C 546

Patent

active

039401200

ABSTRACT:
Method and apparatus for reducing the particulate emission from apparatus producing asphalt-concrete to a level compatible with environmental pollution acceptable limits by forming the moist sticky mixture of bituminous composition and aggregate into a filter veil and directing substantially all of the dust laden heated gas stream passing through the mixing chamber through said filter veil.

REFERENCES:
patent: 1020633 (1912-03-01), Brennan
patent: 1337953 (1920-04-01), Popkess
patent: 1622762 (1927-03-01), Bressler
patent: 1836261 (1931-12-01), Madsen
patent: 1984315 (1934-12-01), Morris

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