ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,470, issued on April 22, was assigned to Mirka Ltd (Jeppo, Finland).
"Abrasive belt grinding product" was invented by Nicolas Schumacher (Inga, Finland), Jan Gron (Vora, Finland), Niina Kyynarainen (Salo, Finland), Hans Hede (Vora, Finland) and Mats Sundell (Hirvlax, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "An abrasive belt is provided which comprises a textile fabric being formed of interconnected yarns, and a coherent abrasive area formed on one side of the textile fabric, wherein the abrasive belt further comprises a plurality of regularly distributed openings in the form of through holes. The abrasive belt allows for a homogenous di...