ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,838, issued on Jan. 27, was assigned to Gunze Ltd. (Ayabe, Japan).
"Tearable tube formed from fluororesin" was invented by Masashi Kikuchi (Konan, Japan), Kimiharu Uda (Konan, Japan) and Miki Ozeki (Konan, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing the fluororesin tube, the method including a step of subjecting a thermoplastic fluororesin to melt extrusion molding at a temperature of about 260 to 450deg C., wherein the thermoplastic fluororesin is selected from the group consisting of a tetrafluoroethylene-hexafluoropropylene copolymer and a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, wherein in the mel...