| 摘要 |
<p>The connection has a tubular main group (1), in which opens a tubular auxiliary group (2). A sub area of an intersecting line (3) is formed between the main group and the auxiliary group in form of a tearing edge (4). The tearing edge is formed at a side by a cylindrical area of the main group and at the reverse side by a projection at the cylindrical area of the auxiliary group.</p> |
