ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,886, issued on March 18, was assigned to PACKSYS GLOBAL AG (Ruti, Switzerland).

"Method for producing flexible tube bodies for packaging tubes, flexible tube body for packaging tubes, and device for producing flexible tube bodies for packaging tubes" was invented by Daniel Schuhn (Zurich, Switzerland) and Ulrich Esser (Ruti, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for producing flexible tube bodies (18) for packaging tubes from a film substrate (1) which has a print, preferably on an outer side (2), and which has or consists of at least one weldable plastic layer and which comprises a first longi...