Method for the manufacture of an ejector nozzle tube
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United States of America Patent
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Jul 22, 2014
Grant Date -
Sep 9, 2010
app pub date -
Sep 25, 2009
filing date -
Mar 3, 2009
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Abstract
A method for manufacturing an ejector nozzle tube, includes forming an essentially rectangular plate-type blank 1 to have an undulating configuration on two opposite edge areas 2, 3, subsequently bending the blank around an axis 4, which is arranged centrically and parallel to the edge areas 2, 3, with the edge areas 2, 3 being superposed and subsequently joining the edge areas by point connections 6, providing for the formation of ejector nozzles 5 between the point connections.
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