Process for producing a particle filter

Details Process for producing a particle filter Process for producing a particle filter

2005-02-22

2005-02-22

Jimenez, Marc (Department: 3726)

Metal working

Method of mechanical manufacture

Multiperforated metal article making

C029S890000, C055S521000, C055S525000, C055S446000

Reexamination Certificate

active

06857188

ABSTRACT:
A process for producing a particle filter from metal foil includes pulling the metal foil from an endless storage device. A joining element or strip is applied to the metal foil. The metal foil is shaped into subsequent channels. The metal foil is wound or stacked to form first and second channels in opposite directions. The first channel has an open entry cross section at the first end side extending partway into the first channel. The first channel has a closure opposite the entry cross section toward the second end side. Mutually bearing contact surfaces of the channels are joined, creating a wholly metal foil particle filter.

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