US Patent Issued to Newfrey on Oct. 20 for "Punch-riveting die, punch-riveting tool and method for producing a punch-rivet joint" (German Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,590, issued on Oct. 20, was assigned to Newfrey LLC (New Britain, Conn.).

"Punch-riveting die, punch-riveting tool and method for producing a punch-rivet joint" was invented by Paul Bartig (Giessen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A punch-riveting die for a punch-riveting tool for setting a semi-hollow punch rivet into a punch rivet joint. The die comprising a basic body with a sheet metal support surface and a recess for forming an underside of a punch-rivet joint. The recess is arranged rotationally symmetrically to the central axis of the punch-riveting die. The recess having a first annular base, a lower second annular bas...