Patent ID: 7766052
Filing Date: 2010-08-03
Classification: F16L,F24D,Y02B,Y10T

Abstract:
1. A conduit pipe for conveying media, comprising: a metallic core pipe ( 2 ) and a jacketing ( 5 ) made of a thermoplastic material, the jacketing ( 5 ) being formed of an olefin having functional groups selected to react with polar surfaces at elevated temperatures to adhere the jacketing in a position around the metallic core pipe, wherein the ratio of thickness (D 1 ) of wall ( 6 ) of the jacketing ( 5 ) to thickness (D) of wall ( 4 ) of the core pipe ( 2 ) is from 2:1 to 14:1, and the ratio of the thickness (D) of the wall ( 4 ) of the core pipe ( 2 ) to its inside diameter (ID) is from 0.01 to 0.05.