METHOD FOR EXPANDING A TUBULAR ELEMENT
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United States of America Patent
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Issued Date -
Dec 17, 2009
app pub date -
Sep 12, 2007
filing date -
Sep 14, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method is provided of expanding a tubular element from a first inner diameter to a second inner diameter larger than the first inner diameter. The method comprises the steps of: a) installing a sleeve of flexible material in the tubular element; b) installing an expander in the tubular element, the expander being suitable to radially expand the sleeve to an outer diameter larger than said first inner diameter by moving the expander in axial direction through the sleeve; and c) moving the expander in axial direction through the sleeve thereby radially expanding the tubular element from the first inner diameter to the second inner diameter.
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