ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,852, issued on Dec. 23, was assigned to SAFRAN (Paris).
"Method for producing a vane comprising a reinforced cavity" was invented by Nicolas Pierre Lanfant (Moissy-Cramayel, France) and Bastien Tranquart (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a composite material vane with a cavity, includes making a core with the shape of the cavity of the vane to be manufactured, the core including a reinforcing structure occupying only part of the volume of the core, the remaining volume of the core being occupied by a material of a fleeting nature, forming a composite material skin around the core, and ...