US Patent Issued to SMC on March 3 for "Fitting nut, fitting, fluid pressure device, and fluid control system" (Japanese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,953, issued on March 3, was assigned to SMC Corp. (Tokyo).

"Fitting nut, fitting, fluid pressure device, and fluid control system" was invented by Yoshitada Doi (Koshigaya, Japan), Yuzuru Okita (Tsukubamirai, Japan), Yoji Niimi (Tsukubamirai, Japan), Hirofumi Ueda (Moriya, Japan) and Tsugumichi Fujiwara (Moriya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fitting nut made of a resin material includes: a hollow, large-diameter tube portion having a female thread formed on its inner peripheral wall; and a small-diameter tube portion that is continuous to the large-diameter tube portion and having a hollow cylindrical shape with a smaller di...