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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Oct 30, 2007
Grant Date -
Feb 23, 2006
app pub date -
May 27, 2005
filing date -
Dec 16, 2002
priority date (Note) -
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Abstract
A device for handling a guide tube assembly. The assembly has an upper tube and a lower tube in each of which there are fixed horizontal guide plates arranged such that they are spaced apart in an axial direction. The handling device itself includes a gripper having a tubular body and two opposing arms located at one end of the tubular body and moveable between a retracted position and a deployed position, the arms bearing against a lower surface of a contacted guide plate when in the deployed position. A control member is located at an opposite end of the tubular body for controlling the arms. The length of the tubular body of the gripper selected to be: a) greater than the distance between an upper end of the upper tube and a first guide plate of the lower tube; and b) less than the distance between the upper end of the upper tube and a third guide plate of the second tube.
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