ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,532, issued on May 13, was assigned to EOS GmbH Electro Optical Systems (Krailling, Germany).
"Lamella cover" was invented by Frank Jung (Gauting, Germany), Hans Perret (Munich) and Uwe Starr (Greifenberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An additive manufacturing device for manufacturing a three-dimensional object by selective solidification of a building material layer by layer, including a process chamber having a chamber wall, wherein the chamber wall of the process chamber has at least one elongate opening. The device includes a cover device having a cover area for covering and/or shielding the at least one opening, the ex...