Method and device for the thermal insulation of the singular points used in the pipes are subjected to expansion phenomena

摘要

The method according to the invention consists in fixing, to the singular point, at least in the places where displacement and/or deformation are to occur, a flexible coating element, in introducing the singular point inside a protection sheath 4 of appropriate shape, in laying down a lubricating film over the parts of the singular point which are not covered by the coating element 2, and in injecting a rigid plastic mousse material in the free volume comprised between the protection sheath and the singular point. The invention applies to the insulation of ducts which are subjected to expansion phenomena. IMAGE