The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2001
Filed:
Aug. 06, 1999
Rolf Brück, Bergisch Gladbach, DE;
Robert Diewald, Siegburg, DE;
Emitec Gesellschaft fuer Emissionstechnologie mbH, Lohmar, DE;
Abstract
A method for producing a honeycomb body having a plurality of at least partially structured sheet metal layers and formed with a plurality of channels through which a fluid can pass, comprises the steps of forming a stack by layering a plurality of at least partially structured sheet metal layers such that the channels are formed and then introducing the stack into a mould. The stack is held in the mould with a wrapping device and with positioning elements, which at least partially reach into the channels in a central region of the stack. The wrapping device is pivotable around a winding axis and has at least two winding bars located essentially parallel to the winding axis and extending along a longitudinal direction of the channels. The at least two winding bars engage the stack at a respective exterior surface at the central region of the stack. The stack is wrapped until a predetermined degree of wrapping of the stack is attained, while maintaining, in the central region of the stack, a structural configuration having structures disposed relative to one another and formed by the at least partially structured sheet metal layers.