ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,472, issued on Oct. 14, was assigned to DAIFUKU Co. LTD. (Osaka, Japan).
"Pipe joint, gland, and method for joining pipes" was invented by Ryunosuke Tanaka (Amagasaki, Japan), Keita Oda (Amagasaki, Japan) and Shozo Kishi (Amagasaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe joint is provided in which a seal member insertion space 14 is formed between a first tapered surface 8 of a socket 5 and an outer circumference of a spigot 3, a seal member 15 is inserted into the seal member insertion space 14, and a gland 17 that presses the seal member 15 into the seal member insertion space 14 is externally fitted to the spigot 3. The seal ...