Shaped part for connecting two pipe sections has first ring fold connected flat with external or internal surface of first pipe section and second ring fold integral with first for connecting with second pipe section

摘要

The shaped part (1) has a first ring fold (6) which can be connected flat with an external or internal surface of the first pipe section () in the region of its opening, whilst a second ring fold (8) connected integral with the first connects flat with the outer or internal surface of the second pipe section in the region of its opening. Independent claim describes method for connecting two pipe sections through positive engagement and centring of ring folds.