Methods and apparatus for recycling asphalt shingle material into landscaping, ground cover and erosion control products
AssigneeAmerican Builders & Contractors Supply Co., Inc.
InventorDonald J. Mischo
Life of this patent
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Abstract
Relative coarse flakes fabricated from used and manufacturing scrap asphalt shingle material are finish processed into ground cover and/or erosion control products. Processing of the flakes include (i) softening the surface of the flakes, (ii) embedding a surface treatment material into the softened surface of the flakes, and either (iii) supplying the flake as loose ground cover, or (iv) compressing the flakes into a portable mat.
Claims23
A method for processing used and manufacturing scrap asphalt shingle material into ground cover product, the method comprising the steps of:
- (a) shredding said asphalt shingle material into asphalt material flakes;
- (b) mixing a surface treatment material and surfactant with the flakes;
- and
- (c) heating the mixture comprising the surface treatment material, surfactant and flakes to a temperature sufficient for the surface treatment material to embed into the surface of the flakes.
A method for processing used and manufacturing scrap asphalt shingle flakes into ground cover product, the method comprising the steps of:
- (a) providing:
- (i) a mixing chamber having an inlet and an outlet;
- (ii) means for introducing the asphalt flakes into the inlet of the mixing chamber;
- (iii) surface treatment material;
- and
- (iv) at least one of:
- (1) means for introducing dry surface treatment material into the inlet of said mixing chamber, and
- (2) means for introducing liquid-borne surface treatment material into said mixing chamber;
- (b) introducing the asphalt flakes into the inlet of the mixing chamber;
- (c) introducing one of the dry and the liquid-borne surface treatment material into the mixing chamber;
- (d) mixing the asphalt flakes and the surface treatment material in the mixing chamber;
- (e) heating the mixture in the mixing chamber to a temperature sufficient for the surface treatment material to embed into the surface of the asphalt flakes;
- and
- (f) discharging the surface treated flakes from the mixing chamber.
A method for processing used and manufacturing scrap asphalt shingle material into ground cover product comprising:
- (a) providing asphalt material flakes and a surface treatment material;
- (b) softening the surface of the flakes;
- (c) embedding the surface treatment material into the softened surface of the flakes;
- and
- (d) one of (i) supplying the surface treated flakes for use as loose ground cover, or (ii) compressing the flakes into a mat product.
Dependencies are inferred from the claim text.