| 摘要 |
<p>Hollow body reinforcement, especially a bush, is contained within the tubular support (2). It is located in the region of a formed section, where it is interlocked with and/or held by friction. Its shape matches the formed shape of the tube (6). It has a matching cross section. The reinforcement is made from the support tube using a cutting and/or non-cutting process. The reinforcement is located in a flattened region of the support tube. Alternatively or in addition, it is in bent, notched or recessed regions of the support. An independent claim IS INCLUDED FOR the method of manufacture.</p> |
