ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,566, issued on May 26.
"Bi-polymer thermoplastic" was invented by Joel A. Dyksterhouse (Cross Village, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for forming a thermoplastic prepreg is disclosed. The method includes supplying continuous fibers to a first extrusion device, supplying a first thermoplastic feedstock to the first extrusion device, wherein the feedstock comprises a first thermoplastic polymer, pre-heating, tensioning, and spreading the continuous fibers, extruding the continuous fibers and the first feedstock within an impregnation die to form a first extrudate in which the continuous fibers are embedded with a matrix o...