Laser welding apparatus for spacer grid of nuclear fuel assembly
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United States of America Patent
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Jul 23, 2019
Grant Date -
Jun 2, 2016
app pub date -
Mar 20, 2015
filing date -
Nov 27, 2014
priority date (Note) -
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Abstract
Provided is a laser welding apparatus for spacer grid of nuclear fuel assembly comprising a base frame in which a chamber installment hole is formed horizontally to the center in a way that the hole penetrates the chamber and a guide rail is installed along the chamber installment hole; a welding chamber unit assembled with the base frame in guidance by the guide rail and equipped with an operable door in front and a glass window at the top to be airtight; a laser welding unit mounted on the base frame for radiating laser through the glass window to weld spacer grid in the welding chamber; and a locking member for fixing the welding chamber on the base frame.
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