Coupling device for a tube with a Thermoplastic hot melt Connection Thermoplastic washer, comprising a Main ThermoplasticIt has inside a Tube End expansion, and has a Projection that sob

摘要

The fitting (C) for attaching a pipe comprising a layer of aluminum (a) between two layers of thermoplastic (a, a') to a thermoplastic connector comprises a central tubular section (4') which is pushed into the pipe and a projecting annular section (19) which fits over its outside. The pipe and fitting are then bound together by thermofusion.