ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,605, issued on Feb. 25, was assigned to Stora Enso OYJ (Helsinki).
"Light weight linerboard for corrugated board" was invented by Seppo Lampainen (Lahti, Finland), Janne Myllykangas (Kaarenkyla, Finland), Petri Paakkanen (Vantaa, Finland), Atso Laakso (Varkaus, Finland) and Kaj Backfolk (Lappeenranta, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method to produce a linerboard exhibiting a high bending resistance and a high compression strength, which in turn provides high resistance to interflute buckling and sagging in a thereof formed corrugated board. This is achieved by the inventive combination of an optimiz...