Method for manufacturing core barrel and core barrel
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United States of America Patent
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May 14, 2019
Grant Date -
Aug 18, 2016
app pub date -
Feb 9, 2016
filing date -
Feb 17, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A method for manufacturing a core barrel according to the embodiment includes: welding one end part of a short ring to a lower core support plate; and machining the lower core support plate to which the short ring is welded. The machining of the lower core support plate includes forming a placement surface on which the fuel assembly is to be placed; and forming a fuel alignment pin hole, in which a fuel alignment pin for positioning the fuel assembly is to be inserted. After the machining of the lower core support plate, a main body barrel is welded to the other end part of the short ring, where the main body barrel covers the reactor core including the fuel assembly to be placed on the placement surface.
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