Pipes and tubular conduits – Flexible – Braided – interlaced – knitted or woven
Reexamination Certificate
2005-08-09
2005-08-09
Hook, James (Department: 3754)
Pipes and tubular conduits
Flexible
Braided, interlaced, knitted or woven
C138S125000, C405S043000
Reexamination Certificate
active
06926037
ABSTRACT:
A collapse tolerant flexible pipe and method of manufacturing same according to which an inner tubular layer is provided within an outer tubular layer in a coaxial relationship thereto. The inner layer maintains the maximum allowable strain on the outer layer below a value that will cause damage to the outer layer when the pipe collapses.
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Patent Cooperation Treaty, International Search Report (European Patent Office), “Notification of Transmittal of The International Search Report or the Declaration,” Jun. 23, 2004, 7 pages.
Hook James
Klarquist & Sparkman, LLP
Wellstream International Limited
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