US2008142205A1PendingUtilityA1

Protected carbon steel pipe for conveying flue gases in a heat exchange apparatus

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Assignee: UNICAL AG SPAPriority: Dec 13, 2006Filed: Nov 30, 2007Published: Jun 19, 2008
Est. expiryDec 13, 2026(~0.4 yrs left)· nominal 20-yr term from priority
Inventors:Giovanni Jahier
F28F 19/02F28F 21/082F28F 1/40
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Claims

Abstract

A protected carbon steel pipe for conveying flue gases in a heat exchange apparatus, comprising an outer jacket made of carbon steel, which is provided internally with a plurality of contiguous sectors made of corrosion-resistant material and provided with variously shaped fins, a continuous layer made of corrosion-resistant material which is interposed and in contact between the outer jacket and the plurality of contiguous sectors being provided.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A protected carbon steel pipe for conveying flue gases in a heat exchange apparatus, comprising an outer jacket made of carbon steel, which is provided internally with a plurality of contiguous sectors made of corrosion-resistant material and provided with variously shaped fins, wherein a continuous layer made of corrosion-resistant material which is interposed and in contact between the outer jacket and said plurality of contiguous sectors is provided.

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