| 摘要 |
<p>Producing a support for a filter element, comprising a tube (10) that has fluid passages (12) and provides a support surface (14) for a filter material and has annular crimps that divided the support surface into several sections, comprises pinching together the flanks (22) of the crimps to form a support ring (24). An independent claim is also included for a filter element with a support as above.</p> |
