| 摘要 |
<p>An exhaust-gas treatment unit includes at least one housing and a honeycomb structure having channels running between end faces of the honeycomb structure and being formed by at least partially structured metal foils having a material thickness of at most 50 &mu;m. At least part of the metal foils is constructed with a fold of a predefined width at least in the region of an end face, and the metal foil is welded to itself at a weld seam in the region of this fold. A method for producing such an exhaust-gas treatment unit using a suitable welding process is also provided.</p> |
