C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 95/00 (2006.01) C09D 195/00 (2006.01) E01C 23/06 (2006.01)
Patent
CA 2352669
The invention provides a method for repairing a damaged area of a bituminous wearing course. The method comprises heating the damaged area, applying a liquid to the damaged area that rejuvenates damaged bitumen, adding new material to the damaged area in an amount required to level the area, and compacting the new material. The invention also provides a new composition for rejuvenating damaged bitumen. The composition may comprise an emulsifier, a heavy paraffinic distillate solvent extract, a heavy naphthenic distillate solvent extract and water.
L'invention concerne un procédé de réparation d'une zone endommagée d'une surface en bitume. Ce procédé consiste à chauffer la zone endommagée, à appliquer un liquide à cette surface pour regénérer le bitume abîmé, à ajouter un nouveau matériau à cette zone selon une quantité requise pour niveler la zone, puis à compacter le nouveau matériau. L'invention traite également d'une nouvelle composition pour regénérer le bitume endommagé. La composition peut comprendre un émulsifiant, un extrait de solvent distillé paraffinique, un extrait de solvent distillé naphténique lourd et de l'eau.
Goodhart Jonathan Luke Henry
Porritt Gary Alma
Wightman Christopher Paul James
Asi Solutions Plc
Asphalt Systems International Limited
Gowling Lafleur Henderson Llp
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