Method of making a catalytic converter for use in an internal co

Details Method of making a catalytic converter for use in an internal co Method of making a catalytic converter for use in an internal co

1997-10-09

1999-12-14

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Fluid pattern dispersing device making, e.g., ink jet

29509, 294551, B23P 1500

Patent

active

060001313

ABSTRACT:
Disclosed is method of manufacturing catalytic converters having a ceramic honeycomb surrounded by a supporting mat and located within a housing, comprising the following steps: (1) forming a cylindrical metal shell exhibiting a uniform curvature and having a lap joint exhibiting substantially the same curvature as the outer surface of the metal shell; (2) wrapping the honeycomb in a sufficient amount of supporting mat material and inserting the wrapped honeycomb into the metal shell; (3) compressively closing the metal shell around the wrapped honeycomb thereby, eating a substantially uniform compressive stress on the honeycomb by the supporting mat.

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