Method of producing a catalytic converter

Details Method of producing a catalytic converter Method of producing a catalytic converter

1994-07-05

1996-09-17

Cuda, Irene

Metal working

Method of mechanical manufacture

Fluid pattern dispersing device making, e.g., ink jet

422179, B23P 1500

Patent

active

055556213

ABSTRACT:
A method of making a catalytic converter for an automotive internal combustion engine comprises a cylindrical honeycomb catalyst carrier made of a ceramic and carrying a catalytic material. The catalyst carrier is encased within a cylindrical container upon being axially supported at its opposite end faces between oppositely disposed annular metal caps through cushioning materials. The metal caps are fixedly secured to the inner peripheral surface of the container by plug welding. In production of the catalytic converter, the plug welding is made in a state in which the metal caps are being biased to the catalyst carrier at a predetermined pressure by a pair of pressing jigs which respectively abut the metal caps.

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patent: 5302355 (1994-04-01), Fujikura et al.

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