Method and apparatus for producing a reactor spacing grid by pulse laser welding
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United States of America Patent
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Jan 13, 1987
Grant Date -
N/A
app pub date -
Mar 2, 1983
filing date -
Mar 3, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a method and to an apparatus for producing nuclear reactor structures, such as spacing grids, by pulse laser welding. The grid is placed in a tight enclosure and having thin plates, which intersect one another, so as to define a certain number of crosspieces. By means of a laser source positioned externally of the enclosure, each of the ends of the crosspieces is fixed and optionally the crosspieces are welded along the intersections of the plates. Application to the construction of zirconium alloy spacing grids.
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