Flexible pipe

Details Flexible pipe Flexible pipe

2007-12-17

2011-11-15

Brinson, Patrick F (Department: 3754)

Pipes and tubular conduits

Flexible

Spirally wound material

C138S134000, C138S127000

Reexamination Certificate

active

08056585

ABSTRACT:
The invention relates to a flexible pipe for transportation of fluids and gasses, e.g. useful in water transportation, and in offshore transportation of crude oil e.g. from seabed to an installation or between installations. The flexible pipe of the invention comprises a new type of armouring layers which is made from a combination of one or more profiled wires and one or more metal strips. A folded strip is an endless unit with at least one fold and a width which in unfolded condition is at least 6 times its thickness, such as at least 10, such as at least 15, such as at least 25 times its thickness or even up to 100 or 500 times its thickness. A profile is a preshaped non-folded cross sectional profile. The profile may preferably have a width of less than 6 times its thickness. The term ‘endless’ is used to indicate that the tapes and profiles are very long compared to their other dimensions.

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