Metal catalyst substrate and its manufacturing method
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United States of America Patent
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May 13, 2014
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app pub date -
Jan 12, 2010
filing date -
Feb 3, 2009
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Abstract
A metal catalyst substrate 1 is equipped with a honeycomb body 2 in which a corrugated metal foil 4 and a flat metal foil 5 are multiply rolled, their leader portions being overlapped with each other. A restricting portion 8 is formed at a core portion 7 of the honeycomb body 2 by a portion of the core portion being deformed to restrict flow of exhaust gas in a core portion 7.
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