US2016271852A1PendingUtilityA1

Method for preparing coated binder units and device for use therein

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Assignee: SHELL OIL COPriority: Dec 4, 2009Filed: May 26, 2016Published: Sep 22, 2016
Est. expiryDec 4, 2029(~3.4 yrs left)· nominal 20-yr term from priority
Inventors:João Miguel De Amorim Novais Da Costa NóbregaEurico Filipe Dias PessoaJosé António Colaço Gomes Covas
B29C 48/022B29C 48/19C08L 2555/80B29K 2095/00B29C 48/023B29K 2105/251C08L 2555/54B29C 48/2556B29C 48/154B29C 48/07B29C 48/304B29C 48/327B29B 11/10B29C 2793/009B29C 48/2566B01J 2/20B29C 48/34B29C 48/151B29C 48/09B29C 48/695B29C 48/10B29L 2031/06C08L 95/00B29L 2007/002B29C 48/08C08L 2555/72B29C 48/0022B29C 48/325B29C 48/18B29C 48/345B01J 2/006B29C 48/335B29K 2105/253B29C 47/06B29C 48/06B29C 48/12B29C 48/04
52
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Claims

Abstract

A method for preparing coated binder units wherein the coated binder units comprise a core of binder coated with a layer of coating material, wherein the binder is a bituminous binder or a synthetic binder comprising a resin, an oil and optionally a polymer.

Claims

exact text as granted — not AI-modified
1 . A co-extrusion device which comprises an inlet for a first material and an inlet for a second material, an even number of pairs of inner and outer dies, and a number of outlets for streams of extrudate. 
     
     
         2 . A device according to  claim 1 , wherein the even number of pairs of the inner and outer dies is in the range of from 2-40. 
     
     
         3 . A device according to  claim 1 , wherein the inner and outer dies have concentrically arranged extrusion orifices. 
     
     
         4 . A device according to  claim 1 , wherein there is an insulating gap between each pair of inner and outer dies. 
     
     
         5 . A device according to  claim 1  comprising one inlet for the binder and one inlet for the coating material. 
     
     
         6 . A device according to  claim 1 , wherein in one or more pairs of inner and outer dies the size of the gap between the inner and outer die is adjustable. 
     
     
         7 . A device according to  claim 1 , wherein the dimensions of one or more outer dies are adjustable. 
     
     
         8 . A device according to  claim 1 , wherein the dimensions of one or more inner dies are adjustable.

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