Method for repairing plastic pipes comprises cutting the pipe on either side of leaking section, inserting metal sleeve with outer plastic coating and heating metal sleeve by induction so that plastic coating melts and forms seal

摘要

Method for repairing plastic pipes comprises: (a) cutting the pipe on either side of the leaking section; (b) inserting a metal sleeve (7) with an outer plastic coating (8); and (c) heating the metal sleeve by induction so that the plastic coating melts and forms a seal with the inner surface of the pipe.