| 摘要 |
<p>A method of joining two or more members (1, 1) at least one of which is a sheet material by means of self-pierce rivetting is described. The combined thickness of the members (1, 1) is reduced at a region (3) within which a self-pierce rivet (4) is to be introduced without creating a hole which extends through all the members (1, 1).</p> |
