Method for manufacturing a wound metallic exhaust gas catalyst c

Details Method for manufacturing a wound metallic exhaust gas catalyst c Method for manufacturing a wound metallic exhaust gas catalyst c

1986-07-28

1988-01-19

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29428, 422180, 428116, 428593, 502439, 502527, B21D 5300

Patent

active

047196807

ABSTRACT:
A method of producing a metallic exhaust gas catalyst carrier body includes winding alternating layers 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.

REFERENCES:
patent: 4186172 (1980-01-01), Scholz
patent: 4220625 (1980-09-01), Toh et al.
patent: 4381590 (1983-05-01), Nonnenmann et al.

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