| 摘要 |
The element has a rivet portion (11) region-wise expandable towards a tip tapered circular cone-shaped mandrel by a mold and exhibiting a circular cross-section. The rivet portion comprises a set of tongue-shaped segments (13), and a funnel-shaped guide (17) is formed at a tip of the mandrel for guiding the mold. The rivet portion comprises a cylindrical section (19), and a flange section (21) radially extends with respect to the rivet portion and comprises a contact surface (23). The flange section comprises ribs (25) that function as anti-twist plates. Independent claims are also included for the following: (1) an assembly part (2) mold for mounting a rivet element (3) a method for mounting a rivet element. |
