Methods and apparatus for recycling asphalt shingle material...

Details Methods and apparatus for recycling asphalt shingle material... Methods and apparatus for recycling asphalt shingle material...

2006-05-30

2006-05-30

Lechert, Jr., Stephen J. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With liberating or forming of particles

C264S116000, C264S118000, C264S122000, C264S125000, C264S140000

Reexamination Certificate

active

07052635

ABSTRACT:
Used and manufacturing scrap asphalt shingle material processed into a fine material comprising smaller sized pieces of shingle material with a relatively high aggregate content is finish processed into shaped products by grinding and heating the aggregate and smaller sized pieces of asphalt shingle material into a homogenous mixture, extruding the homogenous mixture, and forming the shaped products via molding or cutting the extruded mixture. A surface treatment material may be embedded into a softened surface of the shaped products.

REFERENCES:
patent: 4587070 (1986-05-01), Niwa et al.
patent: 6039914 (2000-03-01), Gehrke et al.
patent: 6497930 (2002-12-01), Petermeier
Maurice Deschamps. Affidavit of prior art.
Hanover Architectural Products. Brochure for asphalt block, Hanover, Pennsylvania, USA.
Integrated Waste Managament Board, C & D Fact Sheet, Asphalt Roofing Shingle Recycling, pp. 1,2, Shingle Composition , Webpublish.

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