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US 7,114,875 B2Granted
Method and apparatus for laying hot blacktop paving material
AssigneeHtp Est
InventorsAlain Romier, Yves Martineau, Jacques David, Maurice Audeon
Life of this patent
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Abstract
A method of laying hot blacktop paving material, the method comprising a spreading step during which the material is spread onto a surface for receiving it, and immediately prior to the spreading step, a step of adding water during which water plus wetting agent is mixed with the blacktop material.
Claims8
A method of laying hot blacktop paving material comprising bitumen-coated aggregate, the method comprising the steps of:
- (a) receiving the bitumen-coated aggregate, the bitumen-coated aggregate having been formed by coating the aggregate with bitumen,
- (b) mixing a mixture consisting essentially of water and wetting agent with the bitumen-coated aggregate to form the blacktop paving material,
- (c) spreading the blacktop paving material on a surface for receiving the blacktop material immediately after the mixture of water and wetting agent is mixed with the bitumen-coated aggregate.
Dependencies are inferred from the claim text.