Patent ID: 6783160
Filing Date: 2004-08-31
Classification: F16L

Abstract:
A tubing assembly which comprises:(a) at least two tubes, each tube having a pair of tube ends, each tube further comprising (i) an outer metallic tube, and (ii) at least one inner polymeric tube, said inner polymeric tube at least partially inserted into said outer metallic tube, at least one end of each of said tubes being essentially coterminal, an inner diameter of said inner polymeric tube defining an internal conduit; (b) a connector for joining the at least two said tubes, the connector comprising (i) a central portion with an internal conduit, and (ii) at least two arms, each arm extending from the central portion and terminating in an arm end, such that there is one arm and arm end paired with each said tube end, with the connector internal conduit extending through the arms to the respective arm ends; (c) at least one insert, such that there is one insert for each arm end and tube end pair, (i) a first nipple portion of each said insert having an external surface frictionally engaged in an internal surface of the connector internal conduit at the arm end, and (ii) a second nipple portion of each said insert having an external surface frictionally engaged in an internal surface of the inner polymeric tube internal conduit at the tube end; and (d) at least one sealing means for joining the connector internal conduit to the tube internal conduit in a leak-free manner.