| 摘要 |
<p>An expansion unit and a method for mounting an expansion unit is described, consisting of two coaxially arranged elements, where the coaxial element is inserted in a preformed opening, the outer element is expanded by applying an axial load of the element, and the expansion is locked by means of inserting the inner coaxial element, whereby corresponding engagement means provided at the inner and outer side, respectively, of the coaxial elements engage and lock the expanding unit in the opening.</p> |
