ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,697, issued on Nov. 18, was assigned to Rohr Inc. (Chula Vista, Calif.).

"Method and apparatus for thermoplastic film welding" was invented by Javier Lacalle (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of producing a continuous seam between first and second thermoplastic films is provided. The method includes disposing edge portions of first and second thermoplastic films adjacent to one another; disposing a joining process interface (JPI) layer adjacent to a surface of one of the edge portions; and using a heating and compaction device to produce a bonding between at least a portion of the edge portions, and using the heating...