US Patent Issued to Johann Schlusselbauer on Aug. 19 for "Mould core for a mould for producing hollow concrete bodies, and a moulding device having a mould core of this kind" (Austrian Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,957, issued on Aug. 19, was assigned to Johann Schlusselbauer (Bad Schallerbach, Austria).

"Mould core for a mould for producing hollow concrete bodies, and a moulding device having a mould core of this kind" was invented by Johann Schlusselbauer (Bad Schallerbach, Austria) and Ulrich Schlusselbauer (Altenhof am Hausruck, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a mold core for use on a molding apparatus for the production of hollow and/or in particular tubular concrete bodies, and a molding apparatus comprising such a mold core. The mold core comprises a longitudinally extending wall of the core, whic...