Patent ID: 6449843
Filing Date: 2002-09-17
Classification: B01J,F01N,Y10T

Abstract:
A method for manufacturing a honeycomb body with a large number of fluid permeable channels, which comprises the steps of:forming a plurality of stacks by layering up a plurality of sheet metal layers for each of the stacks, some of the sheet metal layers being at least partly structured sheet metal layers; folding over each of the stacks about a bending line resulting in a plurality of sheet metal packs being formed such that each of the sheet metal packs has a curved first end area and a second end area opposite the first end area, the second end area having a first end section and a second end section, the first end section having a first end face forming a first angle with a central plane, the second end section having a second end face forming a second angle with the central plane, and the first angle being smaller than the second angle; providing a mold having a central area; providing looping devices; fastening each of the sheet metal packs to one of the looping devices and disposing the looping devices in the central area of the mold; and rotating the looping devices relative to the mold for forming the sheet metal packs into the honeycomb body.