Patent ID: 9387557
Filing Date: 2016-07-12
CPC Classification: B21J,B23P,Y10T

Claim Text:
1. A method of riveting comprising: using a punch to push a rivet through a workpiece such that a shank of the rivet is received in a die defined by a die body which is in contact with the workpiece, a slug of material being removed from the workpiece by the rivet and being received in the die, closing or substantially closing the die using a rod and using the rod to upset the shank of the rivet, or closing or substantially closing the die using a rod and the slug of material and using the rod and the slug of material to upset the shank of the rivet, wherein the perimeter of the slug is determined by the perimeter of the die, and wherein the diameter of the die is sufficiently greater than the diameter of the rivet shank to allow a flattened portion of the rivet shank to be accommodated in the die during upsetting of the rivet.