Patent ID: 6595241
Filing Date: 2003-07-22
Classification: F16L,F28D

Abstract:
A means for thermal maintenance of industrial pipe by virtue of a fluid working medium passing through at least one prefabricated hollow element attachable to the outside surface of the pipe wall, said hollow element having an integral body part suitable to cover the pipe wall, said integral body part comprising,a) an inwardly facing portion, facing the external surface of the pipe wall, b) an outwardly facing portion, c) a transition portion, smoothly conjugating the inwardly facing portion with the outwardly facing portion, wherein said inwardly facing portion is provided with a concave configuration defined by a curvature radius R1, said inwardly facing portion is configured to closely match the curvature of the external surface of the pipe wall, said inwardly facing portion enclosing not more than 180 degrees of the external surface of the pipe wall, said outwardly facing portion is provided with a concave configuration and said transition portions are rounded by a radius r, wherein r1.