US Patent Issued to RIEKE PACKAGING SYSTEMS on July 22 for "All-polymer helical biasing member and pump dispenser incorporating same" (British Inventor)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,995, issued on July 22, was assigned to RIEKE PACKAGING SYSTEMS Ltd. (Leicestershire, Great Britain).

"All-polymer helical biasing member and pump dispenser incorporating same" was invented by Simon Christopher Knight (Bridgend, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A biasing member for use in reciprocating dispenser pumps is contemplated. The member is made completely of polymeric materials and is suitable as a direct replacement for metallic coil springs. The biasing member includes spiral shape defined by inner and outer helix traces, with a series of perforations provided along one or both of those traces. These perforatio...