Method for assembling a catalyic converter

Details Method for assembling a catalyic converter Method for assembling a catalyic converter

2008-05-27

2008-05-27

Bryant, David P. (Department: 3726)

Metal working

Method of mechanical manufacture

Catalytic device making

C029S593000, C029S425000, C029S407100

Reexamination Certificate

active

07377038

ABSTRACT:
A substrate assembly is stuffed into a converter outer shell to form a catalytic converter having a desired gap bolt density (GBD) value. The substrate assembly is formed by wrapping and taping a mat around a catalytic substrate. A predetermined pressure is applied to the substrate assembly and an outer diameter of the substrate assembly is measured at this predetermined pressure. A GBD value is predicted based on this measurement and if the GBD value is acceptable the substrate assembly is stuffed into the converter outer shell.

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International Search Report dated Aug. 21, 2006.
International Preliminary Report on Patentability dated Dec. 21, 2007.

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