ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,141, issued on March 18, was assigned to BANDO CHEMICAL INDUSTRIES LTD. (Kobe, Japan).
"V-ribbed belt" was invented by Shogo Kobayashi (Kobe, Japan) and Yuya Shindo (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A V-ribbed belt includes a plurality of V-shaped ribs, each of the plurality of V-shaped ribs includes a V-shaped rib body formed from a rubber composition and a rib-side reinforcing fabric covering a surface of the V-shaped rib body, the rib-side reinforcing fabric is a woven fabric containing a first fiber and a second fiber, and in the woven fabric, at least either the first fiber or the second fiber is inclined relative to ...