Foam insulated and polyethylene encapsulated pressure tube, e.g. for remote heat, is produced in continuous process with foaming between diffusion-tight foil hose and pressure tube

摘要

The foam insulated and polyethylene encapsulated pressure tube, e.g. for remote heat, is produced in a continuous process with foaming between a diffusion tight foil hose and the pressure tube. Welding takes place between the hose and the tube at a station incorporated in the production line.