US Patent Issued to ALBERT & DUVAL on Aug. 4 for "Method for manufacturing a large-sized seamless dome, and corresponding dome" (French Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,653, issued on Aug. 4, was assigned to ALBERT & DUVAL (Issy-les-Moulineaux, France).

"Method for manufacturing a large-sized seamless dome, and corresponding dome" was invented by Arnaud Blanckaert (Saint Gervazy, France) and Philippe Sagot (Pamiers, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a large-sized seamless dome, comprises providing a semi-finished product and hot forging by upsetting the semi-finished product to form a blank with a developed surface greater than that of the semi-finished product and less than the developed surface of the wall of the dome. The blank is hot formed to create a preform havin...