Patent Number: 8,722,572

Title: Metal catalyst substrate and its manufacturing method

Abstract: A metal catalyst substrate 1 is equipped with a honeycomb body 2 in which a corrugated metal foil 4 and a flat metal foil 5 are multiply rolled, their leader portions being overlapped with each other. A restricting portion 8 is formed at a core portion 7 of the honeycomb body 2 by a portion of the core portion being deformed to restrict flow of exhaust gas in a core portion 7.

Inventors: Kodama; Hiroshi (Saitama, JP), Nishizawa; Kimiyoshi (Saitama, JP), Tanabe; Hiroshi (Saitama, JP), Sano; Akio (Saitama, JP), Oinuma; Misao (Saitama, JP)

Assignee: Calsonic Kansei Corporation

International Classification: B01J 21/04 (20060101); B01D 50/00 (20060101); B01J 23/02 (20060101); B01D 53/34 (20060101)

Expiration Date: 5/13/12018