Process and device for cooling the area of a weld during laser welding
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United States of America Patent
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May 11, 1999
Grant Date -
N/A
app pub date -
Jun 11, 1997
filing date -
Oct 18, 1994
priority date (Note) -
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Abstract
A process and an apparatus for the cooling of a welding seam area during laser welding of plates or strips, preferably used in car body construction in automotive engineering. It is described how expediently the cooling agent supply and also the supply of an inert gas veil built up between the focus and liquid coolant is achieved so that the liquid coolant is prevented from entering the welding seam area and causing detrimental effects there.
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