Method and apparatus for handling a tube guide of upper interval equipment of a nuclear reactor
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United States of America Patent
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Issued Date -
Jun 23, 2005
app pub date -
Dec 15, 2003
filing date -
Dec 16, 2002
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for handling a nuclear reactor upper internals guide tube (15), in which method a gripper (30) equipped, at a first end, with two opposed arms (32) that can be moved between a retracted position and a deployed position and, a second end, with a control member (37) for controlling the said arms is introduced into horizontal guide plates (24) of the upper tube (16) of the guide tube (15), the first end of the gripper (30) is placed under one (25A) of the two upper guide plates of the lower tube, the two arms are deployed, the two arms are applied under this guide plate and the gripper (30) is used to simultaneously raise the two tubes of the guide tube (15). The invention also relates to a handling device for implementing this method.
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