Reinforcement of tubular structures
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United States of America Patent
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Feb 26, 2008
Grant Date -
Jul 13, 2006
app pub date -
Oct 28, 2003
filing date -
Oct 28, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A tubular structure is reinforced or reinstated by providing a reinforcing layer in its interior in spaced relation to the existing structure so that a cavity is formed. Plastics or polymer material, preferably a compact elastomer, is injected into the cavity and cures to bond the existing structure and reinforcing layer together so that shear forces are transferred and the reinforced structure behaves as a composite body.
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