US Patent Issued to Silgan White Cap on Aug. 25 for "Composite closure having improved seal" (Illinois Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,663, issued on Aug. 25, was assigned to Silgan White Cap LLC (Downers Grove, Ill.).

"Composite closure having improved seal" was invented by Mark Hewett (Downers Grove, Ill.), Dennis Szczesniak (Lemont, Ill.), William J. Kapolas (Palatine, Ill.), Darren Neputy (Palos Hills, Ill.), Tian Liang (Aurora, Ill.) and Dustin Vance (Lombard, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composite closure which includes an improved sealing gasket material and shape. The Closure includes an end panel that is received in a circular plastic fitment having a central opening therein defined by an inwardly extending flange which over-lies in an outer periph...