US Patent Issued to Raytheon on Dec. 23 for "Explosive fragmentation structure with a fragment enhancing insensitive munitions (IM) liner" (Arizona Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,261, issued on Dec. 23, was assigned to Raytheon Co. (Arlington, Va.).

"Explosive fragmentation structure with a fragment enhancing insensitive munitions (IM) liner" was invented by Frederick B. Koehler (Tucson, Ariz.) and John R. Leach (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An explosive fragmentation structure includes a fragment enhancing insensitive munitions (IM) liner. The IM liner includes a patterned metal structure having openings therethrough embedded in a compressible material to define a desired fragmentation pattern of the outer metal casing upon detonation of the explosive. The IM layer is positioned between and i...