Back to results
US 5,296,025 AGranted
Process and device for preparing an asphalt mix
AssigneeIsover Saint-Gobain
InventorsGerard Basin, Patrick Le Breton
Life of this patent
Estimating the term…
Abstract
In a process for preparing asphalt mixes charged with fibrous materials, the fibrous materials are introduced directly and continuously into the liquid asphalt in a drum, before or after contacting of the liquid asphalt with inert materials.
Claims12
A process for preparing an asphalt mix, comprising the steps of:
- drying, heating and mixing inert materials;
- continuously introducing a fibrous material at a controlled rate into a current of liquid asphalt to form a charged liquid binder;
- combining the charged liquid binder with the inert materials;
- and
- mixing the charged liquid binder and inert materials, wherein said introducing and combining steps together comprise at least one step of spraying a material including fibrous material on the inert materials.
2 more elements
The process for preparing an asphalt mix, comprising the steps of:
- drying, heating and mixing inert materials;
- mixing asphalt with the inert materials to form a liquid mix;
- and
- continuously spraying a fibrous material at a controlled rate into the liquid mix.
1 more element
Dependencies are inferred from the claim text.