System and method for radically expanding hollow cylindrical objects
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United States of America Patent
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Oct 18, 2016
Grant Date -
Dec 26, 2013
app pub date -
Jun 13, 2013
filing date -
Jun 4, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for radially expanding hollow cylindrical objects, through the use of a tube expansion tooling, affixing a mandrel in place, the tooling rendered operative through the generation of hydraulic pressure, to provide the axial force necessary for pulling of the mandrel into the tool, and the mandrel having concentrically applied thereon various spacers, cams, and curved segments, which when the drawbar of the mandrel is pulled, manual forces are generated through the cams and segments into an expansion capacity to force the expansion of any tube in which the mandrel locates, to be expanded into a tight binding fit within a tube sheet or any other bore hole formed in equipment.
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