US Patent Issued to Mitsuboshi Belting on Oct. 14 for "Friction transmission belt and manufacturing method thereof" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,091, issued on Oct. 14, was assigned to Mitsuboshi Belting Ltd. (Kobe, Japan).

"Friction transmission belt and manufacturing method thereof" was invented by Hiroki Takechi (Hyogo, Japan) and Kouhei Hamamoto (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A frictional power-transmission belt having a frictional power-transmission surface covered with a composite fiber layer, in which the composite fiber layer includes a fiber member and an isocyanate compound, and the fiber member includes a cellulose-based fiber. In the frictional power-transmission belt, the isocyanate compound may have a proportion of 3 to 20 mass % in the composite f...