Modular pressure vessel unheading and containment system
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United States of America Patent
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Jun 22, 2004
Grant Date -
Nov 14, 2002
app pub date -
May 11, 2001
filing date -
May 11, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
An unheading and containment system for unheading and heading a pressure vessel includes an unheading apparatus for removing a cover from a pressure vessel in an unheading operation and a modular enclosure, mechanism to substantially enclose the cover during the unheading operation. The unheading apparatus includes a cover removably secured to the pressure vessel, a lock plate cooperating with the cover, and a cover moving mechanism capable of moving the cover vertically and laterally.
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