Method for producing membrane wall, pipe bending device for manufacturing transfer duct and method for manufacturing transfer duct using same
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United States of America Patent
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Oct 15, 2019
Grant Date -
Jun 23, 2016
app pub date -
Dec 4, 2013
filing date -
Mar 7, 2013
priority date (Note) -
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Abstract
Disclosed is a method for producing a cylindrical membrane wall including a plurality of tubes having a coolant passing through an inner part thereof. The method includes producing a plurality of sub-bundles by welding a plurality of tubes to each other after longitudinally arranging the tubes to be adjacent to each other in parallel, producing a plurality of panel-type bundles by welding the sub-bundles to each other, forming a plurality of curved bundles having a curved surface of a predetermined curvature by pressing the panel-type bundles, and welding the curved bundles to each other using a jig.
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