ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,179, issued on Nov. 25.
"Mandrel tool" was invented by Allan Biegel (Saeby, Denmark), Gabriele Chiesura (Aalborg, Denmark), Allan Hurup (Nibe, Denmark), Karsten Krarup (Randers SV, Denmark), Simon Vestphael Russek (Klarup, Denmark) and Steffen Steffensen (Aalborg, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a wind turbine blade is provided, including the steps of: a) arranging a fiber lay-up on a mandrel tool, the mandrel tool including a frame and, as seen in cross-section, at least two mandrel portions connected to the frame, and wherein at least a portion of the fiber lay-up is supported by an outer surface o...