Shingle processing

Details Shingle processing Shingle processing

B - Operations, Transporting

03

B

B03B 9/06 (2006.01) B02C 23/18 (2006.01) B03C 1/02 (2006.01) B07B 4/00 (2006.01) B29B 17/00 (2006.01)

Patent

CA 2439497

Used asphalt roofing material such as shingles are processed to produce a useful end product in granular form. The method involves causing the used roofing material to travel in a stream through successive processing stations in which the material is first subjected to vibration and/or tumbling to loosen the material and is then ground into said granular form. Lightweight contaminants are removed in an air separator and the material is passed through a hand-picking station for manual removal of large contaminants. Metal contaminants are also removed.

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