Method of making folded, bent and re-expanded heat exchanger tube and assemblies
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United States of America Patent
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Jan 6, 1998
Grant Date -
N/A
app pub date -
Dec 13, 1995
filing date -
Nov 13, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A heat exchanger assembly of the side-entry type includes at least one fin set and an elongated heat exchanger tube having a collapsed sidewall extending substantially the length of the tube which permits the bending of the elongated heat exchanger tube at the return bend portions and permits expansion of the elongated tube to engage the fin set. Method and apparatus for making the elongated heat exchanger tube having the collapsed sidewall substantially extending the length of the tube as well as methods of making heat exchanger assemblies.
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