Reformer tube apparatus having variable wall thickness and associated method of manufacture

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9039794
APP PUB NO 20120114533A1
SERIAL NO

12940635

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a reformer tube apparatus, including: an axially aligned tubular structure including a flange section, a top section, a middle section, and a bottom section; wherein the top section of the axially aligned tubular structure includes a first portion having a first wall thickness; wherein the top section of the axially aligned tubular structure includes a second portion having a second wall thickness; and wherein the top section of the axially aligned tubular structure includes a third portion having a transitioning wall thickness that joins the first portion to the second portion. The flange section includes a concentric flange disposed about a top portion thereof. The bottom section of the tubular structure includes a plurality of concentric wedge structures disposed about the interior thereof. The bottom section of the tubular structure also includes a recess disposed about the exterior thereof. The axially aligned tubular structure further includes a secondary flange section coupled to the flange section, wherein the secondary flange section includes a concentric flange disposed about a top portion thereof. Optionally, the reformer tube apparatus is disposed within a reformer used in a direct reduction process.

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Patent Owner(s)

Patent OwnerAddress
METALTEK INTERNATIONAL INC905 EAST ST PAUL AVENUE WAUKESHA WI 53188

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Crouch, Philip Brookfield, US 1 2
Gapinski, Gerald Dousman, US 1 2
Smickley, Robert Signal Mountain, US 1 2
Voelker, Brian W Concord, US 5 36
Whitten, Gilbert Y Mooresville, US 2 2

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