Calsonic Kansei Corporation

Kunikazu Ban

Seiji Kato

Akira Kawamura

An exhaust manifold includes a plurality of branch pipestoand an adapter memberthat has a ring portionprovided at exhaust-gas downstream side end portionstoof the branch pipestoand with a reinforcement portion. The adapter memberand the exhaust-gas downstream side end portionsto, which are inserted into the adapter member, are fixed with each other by a circular weld line Xformed along outer circumferences of the exhaust-gas downstream side end portionstoof the branch pipestoand also by a weld line Xformed along the adjacent side wall portionstoof the branch pipesto

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Saitama, Japan

Kunikazu Ban