US Patent Issued to PACTIV on May 12 for "Method of forming a container having a rolled rim" (Illinois Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,807, issued on May 12, was assigned to PACTIV LLC (Lake Forest, Ill.).

"Method of forming a container having a rolled rim" was invented by Tom Van Nortwick (Lake Forest, Ill.), Jeff Hautzinger (Chicago) and Frank Petlak (Antioch, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method of forming a container having a rolled rim, including providing a thermoformable sheet, and thermoforming the sheet to form a hollow body. The hollow body has an open first end and an opposite closed second end with a sidewall extending between the first end and the second end, and a rim structure formed at the first end of the hollow body. The rim structure includes...