RADIANT TUBE APPARATUS AND METHOD FOR MANUFACTURING SAME
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United States of America Patent
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Feb 16, 2023
app pub date -
Nov 25, 2020
filing date -
Nov 25, 2020
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Abstract
The present invention relates to a radiant tube apparatus disposed in a heat treatment facility to perform a heat treatment of a strip and a method for manufacturing the same. The radiant tube apparatus includes a tube having an internal pipe, wherein the tube has a first continuous pattern and a second continuous pattern extending side by side and spaced apart from each other at a predetermined distance on a surface, and, in each of the first continuous pattern and the second continuous pattern, a plurality of unit patterns having a predetermined height from the surface are connected to each other in a longitudinal direction.
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