US Patent Issued to EREMA Engineering Recycling Maschinen und Anlagen on Sept. 1 for "Screw having a web formed undercut for an extruder or conveyor" (Austrian Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,129, issued on Sept. 1, was assigned to EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. (Ansfelden, Austria).

"Screw having a web formed undercut for an extruder or conveyor" was invented by Michael Aigner (Leonding, Austria), Georg Weigerstorfer (Linz/Ebelsberg, Austria), Herbert Freilinger (Weisskirchen an der Traun, Austria) and Klaus Feichtinger (Linz, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A screw for an extruder or conveyor is disclosed. The screw includes a helical web extending around a core, where at least a portion of an active conveying flank of the web is formed with an undercut in the conveying dire...