Procedure For Manufacture Of A Tube For Conveyance Of A Fluid Of A Heat Exchanger, And Tube Obtained By Such Procedure
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United States of America Patent
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Issued Date -
Jan 21, 2010
app pub date -
Apr 4, 2007
filing date -
Apr 5, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention concerns a procedure for manufacture of a tube for conveyance of a fluid of a heat exchanger, such tube being of the type presenting a substantially rectangular cross-section, formed by two opposed walls of greater width and two rounded walls of lesser width, said procedure consists of realising the following stages: a) Commencing from a metal sheet (2), realisation of a plurality of corrugations (3) by employing an embossing process; b) Realisation of the bending of sheet (2) by employing a process of embossing or forming; and c) Proceeding to weld the free edges (4) to close tube, considering the tolerances required.
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