Composite tubular member with multiple cells
First Claim
1. A composite spoolable tubular member having a transverse axis and comprising an outer composite cylindrical member containing fibers cross-plied and oriented at ±
- 40°
to ±
70°
to the axis of the tubular member, a smaller inner centrally located composite fiber containing member oriented at 0°
to the axis of the tubular member and composite web members containing fibers oriented at ±
40°
to ±
60°
to the axis of the tubular member connecting said inner composite member and said composite outer cylindrical member to form at least two separate cells between said web member and said outer cylindrical member.
3 Assignments
0 Petitions
Accused Products
Abstract
A composite tubular member having an outer cylindrical member containing fibers oriented to resist internal pressure while providing low bending stiffness, an inner smaller centrally located core member located near the neutral axis of composite tubular member containing fibers oriented to provide high axial stiffness, high tensile stremgth and low bending stiffness and web members containing fibers oriented to resist shear stress, connecting the outer cylindrical member and the inner core member to form at least two separate cells within the composite tubular member.
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Citations
11 Claims
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1. A composite spoolable tubular member having a transverse axis and comprising an outer composite cylindrical member containing fibers cross-plied and oriented at ±
- 40°
to ±
70°
to the axis of the tubular member, a smaller inner centrally located composite fiber containing member oriented at 0°
to the axis of the tubular member and composite web members containing fibers oriented at ±
40°
to ±
60°
to the axis of the tubular member connecting said inner composite member and said composite outer cylindrical member to form at least two separate cells between said web member and said outer cylindrical member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- 40°
Specification