US Patent Issued to AMCOR RIGID PACKAGING USA on Jan. 13 for "Container closure with flexible membrane" (Michigan Inventor)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,416, issued on Jan. 13, was assigned to AMCOR RIGID PACKAGING USA LLC (Manchester, Mich.).

"Container closure with flexible membrane" was invented by Michael Wurster (Chelsea, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A closure for a polymeric container configured to be filled with a commodity by a hot-fill process. The closure includes an outer metallic ring and a flexible membrane. The flexible membrane is removably sealed across the ring and is configured to be drawn from an outward, pre-fill configuration to an inward, post-fill configuration in response to a vacuum created within the container during the hot-fill process. In the inwa...