US Patent Issued to NOKIAN RENKAAT on July 21 for "Studded winter tire" (Finnish Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,234, issued on July 21, was assigned to NOKIAN RENKAAT OYJ (Nokia, Finland).

"Studded winter tire" was invented by Aappo Laitila (Nokia, Finland) and Mikko Liukkula (Nokia, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for manufacturing a studded pneumatic tire, the method comprising steps of producing an annular carcass by providing a first ply material comprising first cords), wherein the first cords comprise aramid, aramid content of the first cords being at least 50 wt. % of total weight of the first cords, winding at least a layer of the first ply material onto a carcass drum, thereby forming a cylindr...