Patent ID: 8864429

Claim:
Functional element ( 10 ; 110 ) for the attachment to a sheet metal part and comprising a head portion ( 12 ) which is of circular shape and which merges into a cylindrical rivet section ( 20 ), there being a transition from the head portion ( 12 ) into the rivet section ( 20 ) is formed by an at least substantially conical surface ( 16 ), which forms a contact surface for a corresponding conical region ( 42 ) of a sheet metal part ( 40 ); the conical surface having a first end remote from the head portion and a second end adjacent the head portion, the first end having a smaller diameter and the second end having a larger diameter and merging directly into the head portion of the functional element, the circular head portion having a maximum diameter equal to that of said larger diameter, whereby no ring flange is present between the head portion ( 12 ) and the conical surface, wherein a plurality of noses providing security against rotation are provided at the conical surface of the functional element, extend over the full length of the conical surface in an axial plane and are uniformly distributed around the longitudinal axis of the functional element.