Patent ID: 8550690
Filing Date: 2013-10-08
Classification: B01F,B28C,Y10T

Abstract:
1. A method of dispensing a user-defined quantity of one or more additive liquids to a cementitious mixture comprising: (a) moving an additive liquid to a manifold; (b) moving said additive liquid from said manifold to a mass flow meter; (c) measuring the quantity of said additive liquid while said additive liquid is moving through said flow meter; (d) moving said additive liquid from said flow meter to said cementitious mixture; (e) optionally, repeating (a)-(d) for one or more additional additive liquids; (f) purging at least one of said manifold and said flow meter with a purgative fluid, wherein at least a portion of said purgative fluid is moved to said cementitious mixture;