Connection element e.g. for unauthorized operation of bolts, nuts or pins, has pin and back-up ring with pin has head and shank which has two shank sections

摘要

The element has a pin (2) and a back-up ring (3). The pin has a head (4) and a shank. The shank has two shank sections (6a, 6b), where the first is arranged between the head and the second shank section. The back-up ring has a passage opening (9) for the shank and an inside diameter of a back-up ring section (10a) is smaller compared to a second back-up ring section (10b). The second back-up ring section is located on the second shank section. The first back-up ring section has a deformation (12) at which a plastic is deformed on the inside in the direction of the first shank section. An independent claim is included for a method.