Catalyst for exhaust gas purification

Details Catalyst for exhaust gas purification Catalyst for exhaust gas purification

1994-11-09

1998-03-10

McGinty, Douglas J.

Catalyst, solid sorbent, or support therefor: product or process

Miscellaneous

502527, 60299, 29890, 428593, 422180, B01J 3504, B01J 3708, B01J 3200, B01J 3700

Patent

active

057261199

ABSTRACT:
A catalyst carrier assembly for an automobile exhaust gas purifying device includes a smooth metal sheet and a pre-corrugated metal sheet wound alternately in a roll having a number of honeycomb convolutions. Each corrugation of the web-like pre-corrugated metal sheet is welded to the flat metal sheet at a plurality of points in the transverse direction during forming of the cylindrical roll. After forming the cylindrical roll, the cylindrical roll is heated so as to solder the web-like flat metal sheet and the web-like pre-corrugated metal sheet to each other at both of their end portions.

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