Method of manufacturing catalytic converter for the purification

Details Method of manufacturing catalytic converter for the purification Method of manufacturing catalytic converter for the purification

1997-04-10

1999-01-26

Cuda, Irene

Metal working

Method of mechanical manufacture

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

29446, B23P 1500

Patent

active

058625909

ABSTRACT:
A catalytic converter for the purification of exhaust gas including a catalyst carrier, a heat-insulating seal layer and a cylindrical metal shell is manufactured by providing an assembly including the catalyst carrier, a crystalline alumina fiber mat as the heat-insulating seal layer and a sheet-shaped article and pressing the assembly into the metal shell through a funnel-shaped fixture to render a bulk density of the crystalline alumina fiber mat in use into 0.25-0.60 g/cm.sup.3.

REFERENCES:
patent: 4093423 (1978-06-01), Neumann
patent: 4163042 (1979-07-01), Lynch
patent: 5329698 (1994-07-01), Abbott
patent: 5555621 (1996-09-01), Tanabe et al.
patent: 5557847 (1996-09-01), Koshiba et al.

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