US Patent Issued to SAFRAN AIRCRAFT ENGINES on Feb. 17 for "RTM injection method and mould using symmetric anti-pinching sectors" (French, American Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,114, issued on Feb. 17, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"RTM injection method and mould using symmetric anti-pinching sectors" was invented by Raoul Jaussaud (Moissy-Cramayel, France), Hubert Jean Marie Fabre (Moissy-Cramayel, France) and Brian Jensen (Bow, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An injection mold for the manufacture of an axisymmetric part of composite material comprising a mandrel supporting a fibrous preform and comprising an annular wall, and a plurality of counter-mold angular sectors assembled to the mandrel and intended to close the mold and to compact the fibrous preform wound on the mandrel. Eac...