ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,831, issued on Jan. 27.
"System and method for mold block exchange on return track" was invented by Manfred A. A. Lupke (Thornhill, Canada) and Stefan A. Lupke (Thornhill, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for replacing or substituting mold blocks in a corrugator, the corrugator comprising first and second tracks for carrying respective chains of mold blocks, each of the tracks comprising return tracks, wherein the system advances replacement mold blocks towards the return tracks to displace corresponding mold blocks in the mold block chains while the corrugator is in production and while the mold block chains...