ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,495, issued on Sept. 23, was assigned to GRADEL (Ellange, Luxembourg).
"System for producing an impregnated fiber roving" was invented by Claude Maack (Fingig, Luxembourg).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for producing an impregnated fiber roving, the system including a feed unit having a spool with a fiber roving, an impregnation unit configured for applying liquid matrix material onto the moving fiber roving fed from the feed unit, a matrix supply unit fluidically connected to the impregnation unit for supplying liquid matrix material to the impregnation unit, a tension sensing unit adapted to determine a tension of the fibe...