| 摘要 |
A tool for joining two or several sheet formed members, comprising a first tool-part with a punch and a second tool-part provided with a support surface (7) from which an anvil (1) erects. A matrix comprising at least two matrix-parts (2) being arranged around said anvil (1), each matrix-part (2) comprising a foot arranged sliding against said support surface (7) and being applied against the lateral surface of said anvil (1) by means of elastic means (5). A stop means (3) limiting the lateral displacement of the is also arranged. The stop means is characterised in that it has a top surface (12) provided with at least two guiding slots (9) for the matrix-parts (2) with edges (10) parallel to a radius of said second tool-part. |
