ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,602, issued on May 13, was assigned to Celwise AB (Norrkoping, Sweden).
"Tool and method for producing a 3D molded pulp product" was invented by David Pierce (Norrkoping, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The document relates to a tool for producing a 3D molded product from a pulp slurry, comprising a pair of molds having respective product faces, that are configured to face each other and to press a pulp layer therebetween, said product faces providing a 3D shape for molding the 3D molded product, said product faces presenting a respective outer product face edge, defining an outermost limit of a forming area of mold. At least o...