Processes for producing exhaust gas manifolds

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United States of America Patent

PATENT NO 8850705
APP PUB NO 20080098599A1
SERIAL NO

11798168

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for producing exhaust gas manifolds is provided, which have a flange for fastening to the cylinder head of an internal combustion engine, manifold pipes for leading off the exhaust gases flowing from the cylinders, and a pipe connector, wherein the pipe connector has openings for the manifold pipes. In accordance with the invention, the pipe connector is designed with reinforced openings. Then the ends of the manifold pipes are introduced into the openings and expanded. In this process, the pipe ends undergo plastic deformation, and the pipes are connected gas-tight.

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Patent Owner(s)

Patent OwnerAddress
HEINRICH GILLET GMBHAN DER BUNDESSTRASSE 38 D-67480 EDENKOBEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huynh, Lan Neustadt, DE 2 21
Reuther, Georg Hochstadt, DE 9 51
Rickertsen, Juergen Lambrecht, DE 3 10
Steigert, Andreas Lambrecht, DE 15 57
Weidner, Thomas Edenkoben, DE 20 217

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