US Patent Issued to PRIMETALS TECHNOLOGIES GERMANY on April 29 for "Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip" (Eritrean Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,790, issued on April 29, was assigned to PRIMETALS TECHNOLOGIES GERMANY GMBH (Germany).

"Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip" was invented by Johannes Dagner (Erlangen, Eritrea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method and an apparatus for changing the effective contour of a running surface (8) of a working roller (3, 4) during the hot rolling of rolling stock in a roll stand (2) to form a rolled strip (1). The intention is to be able to change the contour of the running surface (8) during the hot...