HEAT EXCHANGER AND METHOD OF MAKING THEREOF
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United States of America Patent
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Feb 21, 2019
app pub date -
Aug 9, 2018
filing date -
Aug 9, 2018
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Abstract
A method of making a heat exchanger includes providing an inner tube extending longitudinally along a central axis and having an inner surface bounding a product chamber and an outer surface. An outer tube is formed and positioned about the inner tube. The outer tube is disposed coaxially about and circumscribing the inner tube in a radially spaced relationship. Forming the outer tube and positioning the outer tube about the inner tube occur simultaneously.
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