PIPE INSULATING JACKETS AND THEIR MANUFACTURING PROCESS

摘要

The invention relates to preformed pipe insulating jackets that can be easily and quickly fixed around pipes to be insulated. More specifically, the invention relates to very cheap and light, flexible and elastic, thin, multilayer jackets, their application and manufacture. The jacket has an inherent curvature with a radius (111) perpendicular to the longitudinal direction of the jacket and it comprises several substantive layers (127) secured to each other. The jacket may comprise paper (121) and plastic (122) layers.