Patent ID: 8555689
Filing Date: 2013-10-15
Classification: C10M,C10N

Abstract:
1. A process for the wet drawing of a steel wire intended for reinforcing a pneumatic tire, said process comprising the steps of: starting from a steel wire having a diameter greater than 0.6 mm; and drawing said wire through a series of dies of decreasing diameter, in the presence of a lubricant composition that is in the form of an aqueous dispersion, down to a predetermined final diameter of less than 0.5 mm, wherein said aqueous dispersion comprises solid particles of an ester of a fatty acid comprising from 5 to 40 carbon atoms, wherein the fatty acid ester corresponds to the formula: in which R is a linear or branched, saturated or unsaturated hydrocarbon group, A is a hydrocarbon group, optionally interrupted by one or more heteroatoms, of valency x+y, x is an average number from 1 to 5, y is an average number from 0 to 5, and x+y varies from 1 to 10; wherein the ester is a diester corresponding to the formula: in which R wherein R