Process for producing two-phase mixes

Compositions: coating or plastic – Coating or plastic compositions – Bituminous material or tarry residue

Reexamination Certificate

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Details

C106S277000, C524S059000

Reexamination Certificate

active

08075681

ABSTRACT:
This invention relates to a process for producing a hot, cold or lukewarm ready-to-use bituminous mix, characterized in that it includes the following successive steps:(a) preparing a hot, cold or lukewarm master mix or bituminous mix by mixing some or all of the bituminous binder proportioned in liquid form with some or all of the aggregates, and optionally withsome or all of the fines and/orsome or all of the aggregate mix and/orsome or all of the various additivesso as to obtain a mixture in which the aggregates and any fines and aggregate mix are coated by the bitumen,(b) storing of the master mix or of the bituminous mix obtained in step (a),(c) mixing the master mix or the bituminous mix stored in step (b) with one or more additional formulation components so as to obtain a hot, cold or lukewarm ready-to-use bituminous mix,in which step (c) is implemented at the mix production site if the additional formulation component is a thinning agent.

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French Search Report issued May 8, 2008 in French application No. 0760279.

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