Process for producing monolithic catalyst converter

Details Process for producing monolithic catalyst converter Process for producing monolithic catalyst converter

1997-12-16

1999-09-21

Cuda, I

Metal working

Method of mechanical manufacture

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

B23P 1500

Patent

active

059538171

ABSTRACT:
A process for manufacturing a monolithic catalyst converter includes the steps of fitting a monolithic catalyst into a tube-shaped workpiece having opposite opening ends through one of the opposite opening ends, and drawing the tube-shaped workpiece at the opposite opening ends into a funnel shape by means of spinning. Thus, a monolithic catalyst converter is completed without carrying out welding. Hence, the monolithic catalyst converter can be manufactured with a high material yield (or a low scrap rate), at a reduced cost and under a good working environment, because it can be manufactured without the conventional troublesome welding operation and/or a leak-test inspection.

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