| US 7,523,765 B2 | ||
| Fiber reinforced spoolable pipe | ||
| Peter A. Quigley, Duxbury, Mass. (US); Michael Feechan, Katy, Tex. (US); and Thomas W. Wideman, Milton, Mass. (US) | ||
| Assigned to Fiberspar Corporation, New Bedford, Mass. (US) | ||
| Filed on Dec. 13, 2004, as Appl. No. 11/10,827. | ||
| Claims priority of provisional application 60/548638, filed on Feb. 27, 2004. | ||
| Prior Publication US 2005/0189029 A1, Sep. 01, 2005 | ||
| Int. Cl. F16L 11/00 (2006.01) | ||
| U.S. Cl. 138—129 [138/130; 138/123; 138/125; 138/172; 138/137] | 87 Claims |
| 1. A spoolable pipe, comprising:
an internal pressure barrier formed about a longitudinal axis, wherein the internal pressure barrier carries at least twenty-five
percent of the axial load along the longitudinal axis at a termination;
at least one reinforcing layer comprising glass and enclosing the internal pressure barrier, the at least one reinforcing
layer comprising at least two plies of fibers having at least a partial helical orientation relative to the longitudinal axis,
wherein at least one abrasion resistant layer is disposed between the at least two plies of fibers; and
an external layer enclosing the at least one reinforcing layer.
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