F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/26
F16L 9/18 (2006.01) F16L 59/12 (2006.01)
Patent
CA 1098056
ABSTRACT OF THE DISCLOSURE A pipeline system particularly designed for trans- porting liquefied natural gas (LNG) comprising a plurality of pipe sections connected together as by welding, each section having an outer pipe or jacket and an inner liquid carrier pipe which is in compression when installed and which is secured at opposite end portions to the outer pipe by connecter cones, the outer pipe being placed in tension by the connector cones, To reduce the thermal stress in the carrier pipe and heat leak fro the outer to the inner pipe, each of the cones is connected to the inner pipe through a fiber reinforced plastic insulating member, preferably a polyester fiberglass cylinder. Thermal insulation such as polyurethane foam is placed in the annular space between the inner and outer pipes for further resistance to heat flow into the system.
323913
Foundation Cryogenic Joint Venture
Johnson Douglas S. Q.c.
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