Patent ID: 6497039
Filing Date: 2002-12-24
Classification: B01D,B23K,F01N,Y02A,Y02T,Y10T

Abstract:
A method of producing an encased honeycomb body, the method which comprises:forming a honeycomb body by at least one of stacking and winding layers of sheet metal and providing at least some of the layers of sheet metal as structured layers of sheet metal such that the honeycomb body is formed with channels for a fluid to flow therethrough; introducing a sleeve into a tubular jacket and providing the sleeve with an axial extent of less than an axial length of the honeycomb body and of the tubular jacket and providing the sleeve with an outer circumferential surface essentially bearing against a part of an inside wall of the tubular jacket; introducing the honeycomb body into the tubular jacket and into the sleeve; and forming a connection between the honeycomb body and the tubular jacket with a first soldering portion and a further connection between the honeycomb body and the sleeve with a second soldering portion.