ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,260, issued on Feb. 24, was assigned to JUNKOSHA INC. (Kasama, Japan).
"Multilayer tube" was invented by Ryo Akutsu (Kasama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a multilayer tube which is flexible and exhibits excellent durability in terms of airtightness, while including as a main component, a polytetrafluoroethylene. The present disclosure is achieved by a multilayer tube which includes as a main component, a polytetrafluoroethylene, wherein if the total porosity (%) of the tube is plotted on the horizontal axis of a coordinate graph and the Martens hardness HM3 mN of the tube as described below is ...