Nested sleeve grid restraint system
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United States of America Patent
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Apr 27, 1999
Grant Date -
N/A
app pub date -
Jan 23, 1998
filing date -
Jan 23, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A nested sleeve grid restraint system and a method for making a nested sleeve grid restraint system are disclosed. The nested sleeve grid restraint system comprises an insert tube installed in and secured to the intermediate spacer grid and concentrically around a fuel assembly instrumentation tube, the insert tube having ends extending from the intermediate spacer grid, respectively, above and below the intermediate spacer grid; two spacer sleeves, each having flared ends; the spacer sleeves each being fitted concentrically around the fuel assembly instrumentation tube, respectively, above and below the intermediate spacer grid; the flared ends of the spacer sleeves fitting over the ends of the insert tube extending above and below the intermediate space grid whereby the insert tube nests in the spacer sleeves.
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