US Patent Issued to GUALA DISPENSING on June 16 for "Trigger dispensing device with valve means" (Italian Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,189, issued on June 16, was assigned to GUALA DISPENSING S.P.A. (Alessandria, Italy).

"Trigger dispensing device with valve means" was invented by Riccardo Alluigi (Alessandria, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trigger dispensing head of a trigger dispensing device is provided. The trigger dispensing head has a cylinder chamber, a piston, a pressure chamber, a sleeve having an end wall, a suction duct terminating in a suction mouth, a dispensing duct, and valve members for regulating flow of a product. The valve members have a valve element made in one piece. The valve element has a tubular portion, a flexible flap, and an annu...