METHOD FOR MANUFACTURING MATERIAL IN THE FORM OF GRANULES THAT CAN BE USED AS ROAD BINDER OR SEALING BINDER AND DEVICE FOR MANUFACTURING SAME
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United States of America Patent
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Issued Date -
Jul 11, 2019
app pub date -
Sep 5, 2017
filing date -
Sep 8, 2016
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Abstract
A method for manufacturing a material in divided form solid at ambient temperature and usable as a road binder or as a sealing binder, such as a road bitumen, a pitch, a stock solution for a bitumen/polymer composition, a clear binder, the method including the implementation of a device intended for granulation having at least two coaxial drums and a horizontal running belt: a fixed inner drum having an orifice and rotating outer drum with orifices, the method including: (i) heating a first composition to a temperature at which it is fluid, (ii) introducing the first composition in the fluid state into the inner drum of the granulation device, (iii) distributing the first composition outwards in drops through the orifices in the rotating outer drum, (iv) depositing the drops on the running belt, and (v) optionally, coating the drops with the second composition. A device for manufacturing these materials.
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