ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,252, issued on July 14.
"Method for manufacturing an element comprising a grout activation cycle" was invented by Christophe Justino (Rueil Malmaison, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing an element in a ground comprising a drilling step during which a grout comprising a first composition is introduced and after the drilling step, at least one grout activation cycle is performed during which at least part of the grout is pumped; a second composition configured to activate the grout by reacting with the first composition in order to initiate the hardening of said grout is added to the pumped grout; then the...