FLAT TUBE FOR A HEAT EXCHANGER
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United States of America
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Issued Date -
Nov 28, 2024
app pub date -
Sep 1, 2022
filing date -
Sep 1, 2022
priority date (Note) -
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Abstract
A flat tube for a heat exchanger, formed by bending a sheet metal strip along its length and including: a first wall, a second wall parallel to the first wall, with two complementary side wall portions joining the first and second walls together. The first fall includes a seam extending along the longitudinal axis of the flat tube so that juxtaposed longitudinal edges of the metal strip join together in parallel manner towards the second wall to form a closed profile of the tube. The seam includes a first section fixed to the second wall and extending along the first portion of the seam along the flat tube. The seam further includes a second section extending along the second portion of the seam arranged in series with respect to the first portion and along the longitudinal axis of the flat tube. The second section is separated from the second wall.
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