ROLLING MILL COIL FORMING LAYING HEAD WITH PATH OR PIPE HAVING DISSIMILAR MATERIALS COMPOSITE CONSTRUCTION
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United States of America Patent
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Issued Date -
Mar 28, 2013
app pub date -
Jun 25, 2012
filing date -
Sep 26, 2011
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Abandoned
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Abstract
A rolling mill coil-forming apparatus includes a rotating quill that discharges elongated material into an elongated path hollow structure, such as a laying head pipe. The elongated structure is constructed of combinations of ferrous and non-ferrous dissimilar materials. Generally, non-ferrous materials are used in zones that are subject to relatively higher wear. A portion of the elongated path structure can be formed from nested, enveloping layers and/or by joining segments in axial abutting relationship. Components formed from nested layers can be constructed in many three dimensional compound curve shapes that can replicate the smooth, continuous curve elongated material transport path laying head pipes, with localized symmetrical or asymmetrical cross sections.
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