ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,726, issued on July 15, was assigned to NOK Corp. (Japan).
"Method of manufacturing hub seal" was invented by Yuichi Shuto (Fukushima, Japan), Yuichi Tarukawa (Fukushima, Japan) and Kazuki Hirota (Fukushima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a hub seal is provided. In the method, a lip reaction force F/hub diameter D and a lip surface roughness R are selected from within a designed region, which is a region of the lip reaction force F/hub diameter D and the lip surface roughness R, set in advance on the basis of a value (lip reaction force F/hub diameter D) given by dividing a reaction force F, which is a...