Flexible armoured pipe and use of same

Details Flexible armoured pipe and use of same Flexible armoured pipe and use of same

2006-07-04

2006-07-04

Brinson, Patrick (Department: 3754)

Pipes and tubular conduits

Flexible

Spirally wound material

C138S134000, C138S149000, C138S138000

Reexamination Certificate

active

07069955

ABSTRACT:
An armoured flexible pipe consists of an inner liner (3), which surrounds a carcass (1, 2). On the other side of the inner liner (3) there are two armour layers, where the innermost (5, 6) is a pressure armour layer, while the outermost (7, 8) is a tensile armour layer. An outer sheath (9) is finally applied around the armour layers. With the object of ensuring a low transport of heat through the walls of the pipe, one or more thermally-insulating layers (10) are extruded on the outside of the inner liner, where, depending on the use of the pipe, the layers can consist, for example, of a polymer or polymeric mixture, polyolefin, such as a polypropylene, or a polyketon. The flexible pipe according to the invention is especially applicable for use in the extraction, transport or refining of mineral oil or related fluids.

REFERENCES:
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patent: 1525658 (1969-11-01), None
patent: 0937932 (1999-08-01), None

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