Wound metallic exhaust gas catalyst carrier body having a geometrically complex cross-sectional shape
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United States of America Patent
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Jul 11, 1989
Issued Date -
N/A
app pub date -
Oct 30, 1987
filing date -
Jul 29, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of producing a metallic exhaust gas catalyst carrier body includes winding alternating layer of smooth and corrugated sheetmetal strips to form a blank and inserting the blank into a jacket tube, each winding of the blank being formed of a respective smooth and corrugated sheetmetal strip each having an individually predeterminable length; determining the length of each winding in accordance with the length necessary for filling a predetermined jacket tube cross section, fixing each winding beforehand to at least one side of the blank, so as to produce an approximately egg-shaped blank which is tightly wound on the one side and wound with varying looseness in the remaining region thereof; inserting the blank into the jacket tube in such a manner that the tightly wound side is located in a region of the jacket tube cross section in which a largest possible inscribed circle of the jacket tube cross section engages the jacket tube, and a device for carrying out the method, a carrier body formed by the method and device, and a blank forming part of the carrier body.
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