DEVICE FOR THERMALLY INSULATING UNDERGROUND PIPES

摘要

Pipes (7) are placed in chambers (6) extending in pipe receiving boxes (1). The pipe receiving boxes (1) are covered by lids (2) which are arranged in a staggered relationship relative to the boxes (1). Liquid draining channels (4) extend from every chamber (6) through the bottom surface (5) of the boxes (1). The pipes (7) are loosely placed in the chambers (6) allowing for a free thermal expansion thereof. The pipe receiving boxes (1) and the lids (2) are made for instance of a low-compressible foam of hydrophobic plastic having a low water permeability, such as a polystyrene foam. The chambers (6) can receive pipes (7) of varying diameters and are dimension-wise not confined to specific pipe diameters. This leads to a large versatility of the insulating device regarding pipe diameters as well as the taking up of thermal expansions. 32,569-F