The present invention relates to a hollow cylindrical insert (100) designed for use in socket fusion welding of thermoplastic pipes. It features a cylindrical body (102) made from materials that resist high temperatures and fusion with pipe at welding temperature, while having low thermal conductivity. The insert ...
[Class : 17] Flexible Pipes Including Pvc Agri Pipes And Fittings, Pvc Plumbing Pipes And Fittings, Pvc Casing Pipes, Pvc Rising Main Pipes, Pvc Cable Ducts, Ppr And Pvc Pipe Fitting, Hdpe Pipes And Fittings Being Goods Falling In Class 17.