Expansion device for expanding a pipe
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United States of America Patent
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Oct 6, 2009
Grant Date -
Nov 23, 2006
app pub date -
May 3, 2004
filing date -
May 5, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A pipe expansion device having an expansion cone tapering in forward direction, a cone-guide, an actuator for displacing the expansion cone and the elongated cone-guide relative to each other, a retrievable end anchor, and a middle anchor joined to the expansion cone.
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