摘要 |
The invention relates to a ring (2), in particular a flange ring for pipe connections, having a centrally arranged hole (5) which, in the region of one edge, has a calibration (7) which engages radially over said edge, approximately in the form of a ball surface or the like. Said ring can be produced in a simple and cost-effective manner in that it is designed as a punched blank with a stamped-on calibration (7). <IMAGE>
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