Method of manufacturing catalytic converters
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United States of America Patent
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Apr 3, 2012
Grant Date -
Sep 13, 2007
app pub date -
Mar 17, 2005
filing date -
Mar 25, 2004
priority date (Note) -
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Abstract
A method of manufacturing a catalytic converter includes the steps of: a detecting step for detecting a pressing force at a time when a catalyst (11) is press-fitted into an outer cylindrical housing (13); a calculating step for calculating a diameter reduction, by which a clearance value between the outer cylindrical housing (13) and the catalyst (11) is set to a desired target value, based on the pressing force detected by the detecting step; and a swaging step for reducing a diameter of the outer cylindrical housing (13) based on the diameter reduction calculated by the calculating step.
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