Spoolable composite tubular member with integrated conductors
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United States of America Patent
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-
Feb 8, 1994
Issued Date -
N/A
app pub date -
Dec 9, 1991
filing date -
Mar 15, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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 the composite tubular member and containing fibers oriented to provide high axial stiffness, high tensile strength and low bending stiffness. One or more web members contain fibers oriented to resist shear stress, and connect the outer cylindrical member and the inner core member to form at least two separate cells within the composite tubular member. The web member forms a major and minor moment of inertia within the tubular member to create a preferred bending direction. Conductors are formed integral to the connecting web member for transmitting energy signals through the tubular member.
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