ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,150, issued on March 4, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).
"Injection tooling for barrel-shaped rotating part" was invented by Raoul Jaussaud (Moissy-Cramayel, France), Hubert Jean Marie Fabre (Moissy-Cramayel, France) and Paul Terry (Franklin, N.H.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tooling for injecting a polymer resin into a fibrous preform for the manufacture of a revolution part in composite material including a barrel shape with an inside diameter of smaller diameter delimiting the revolution part into an upstream portion and a downstream portion of the inside diameter, the upstream portion including a back-draft in...