METHOD FOR THE MANUFACTURE OF AN EXHAUST GAS CONVERTER, TOOL FOR A RING PRESS FOR THE MANUFACTURE OF AN EXHAUST GAS CONVERTER, RING PRESS COMPRISING A TOOL, AND EXHAUST GAS CONVERTER MANUFACTURED WITH A RING PRESS
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United States of America Patent
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Issued Date -
Mar 24, 2016
app pub date -
Sep 18, 2015
filing date -
Sep 19, 2014
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Abstract
A method for manufacturing an exhaust gas converter and a tool for the method are provided. The method includes providing a cylindrical metal pipe and a cylindrical substrate surrounded in a circumferential direction by a mat mount. The substrate is deposited with the mat mount surrounding it inside the metal pipe. A compression force is exerted on the metal pipe, directed in a radial direction, for reducing the cross-section of the metal pipe to a desired size. Regions to which a compression force is applied alternate along the circumferential direction of the metal pipe with regions to which no compression force is applied. A number of regions where no compression force is applied to the metal pipe exceeds the number of tools used for applying the compression force. The tool (4), for a ring press, includes a tool body including a mounting section and a work section with recesses (45).
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