ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,647, issued on Aug. 25, was assigned to SIG Services AG (Neuhausen am Rheinfall, Switzerland).
"Pouring element with protective cutting element guide" was invented by Remo Zurcher (Frauenfeld, Switzerland) and Felix Rigling (Dettighofen, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pouring element for a composite package is represented and described, including a main body with a pouring tube and a circumferential fastening flange, a hollow cylindrical cutting element arranged concentrically and guided movably in the pouring tube and a resealable screw cap. The cutting element can be driven for the first opening of the composite packa...