process for forming a tube end of a tube to a verbindungsabschnittes plastic and in accordance with the procedure law verbindungsabschnitt.

摘要

Formation of a joint section on one end of a plastic pipe and partic. a thermoplastic pipe by deforming the end for the reception of an undeformed pipe, and bonding to a profile ring, so shaped that together with the deformed pipe end it forms can annular grooves for the reception of a seal element.