ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,068, issued on June 3, was assigned to PAPACKS SALES GMBH (Cologne, Germany).
"3D printed tooling for pulp molding process" was invented by Tahsin Dag (Cologne, Germany) and Florian Barth (Cologne, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to a 3D printed mold for creating three dimensional pulp products from a fibrous pulp slurry. Transverse filaments are integrated into an infill structure with an open-cell pattern. The transverse filaments form channels through the interior matrix of the mold. The open cell infill pattern and channels allow for the movement of vacuumed materials through the interior m...