Metal working – Method of mechanical manufacture – Fluid pattern dispersing device making – e.g. – ink jet
Patent
1994-11-14
1996-03-26
Warden, Robert J.
Metal working
Method of mechanical manufacture
Fluid pattern dispersing device making, e.g., ink jet
502439, 502527, 422177, 422180, 228181, B23K 3102
Patent
active
055020232
ABSTRACT:
An apparatus for catalytically decontaminating exhaust gases, preferably for motor vehicle engines, includes a metal carrier body having a plurality of corrugated, or smooth and corrugated, sheet metal layers. The sheet metal layers have smooth end segments overlapping one another and being disposed as an outer layer on the periphery of the metal carrier body. A jacket encompasses the metal carrier body. At least one weld seam may simultaneously connect the smooth end segments to one another and to the jacket. A mechanical retaining device may form-lockingly secure the metal carrier body in the axial direction in the jacket while engaging an end surface of the outer layer. A method for producing the apparatus includes initially coating individual corrugated, or smooth and corrugated, sheet metal layers of a metal carrier body with a wash coat, except for uncoated regions of lengthened smooth end segments of the sheet metal layers overlapping one another and being disposed as an outer layer on the periphery of the metal carrier body. The sheet metal layers are intertwined and inserted into a jacket encompassing the metal carrier body. The sheets are simultaneously connected to one another and to the jacket in the uncoated regions of the lengthened, smooth end segments resting on one another with at least one weld seam.
REFERENCES:
patent: 3937387 (1976-02-01), Fletcher et al.
patent: 4711009 (1987-12-01), Cornelison et al.
patent: 4923109 (1990-05-01), Cyron
patent: 5016810 (1991-05-01), Sikka
patent: 5105539 (1992-04-01), Maus et al.
patent: 5170624 (1992-12-01), Cornelison et al.
Bayer Ju/ rgen
Humpolik Bohumil
Emitec Gesellschaft fuer Emissions-technologie mbH
Greenberg Laurence A.
Lerner Herbert L.
Tran Hien
Warden Robert J.
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