PRESSURE ARMOR WITH INTEGRAL ANTI-COLLAPSE LAYER
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United States of America Patent
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Issued Date -
Jun 4, 2015
app pub date -
Jun 14, 2013
filing date -
Jun 15, 2012
priority date (Note) -
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Abstract
There is provided a flexible pipe, the flexible pipe including a fluid barrier layer, a first pressure armor layer, a second pressure armor layer, and an anti-collapse sheath disposed between the first and second pressure armor layers. The first pressure armor layer may include a metallic interlocked anti-extrusion and hoop strength layer. The second pressure armor may include a hoop strength layer having non-interlocked helical wraps. The second pressure armor layer may include composite helical wraps.
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