Honeycomb
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United States of America Patent
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-
Apr 13, 2004
Grant Date -
N/A
app pub date -
May 12, 2000
filing date -
May 14, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a honeycomb (1), particularly a catalytic converter substrate, with a honeycomb structure comprising a large number of ducts (3) running in the longitudinal direction of the honeycomb (1), through which a fluid can flow, consisting of smooth and/or structured foils arranged to form plane or curved foil layers, and a housing (2) surrounding the honeycomb structure. In order to manufacture an inexpensive honeycomb that displays a sufficiently stable honeycomb structure under the anticipated stresses and that, in addition, is particularly resistance to thermal shocks, it is proposed that stiffening elements (7a, b) connected to the foils be provided that are capable of bearing tensile stresses, at least in their longitudinal directions, and that at least partially pass through the honeycomb structure and/or are located on the outside and at least partially surround the honeycomb.
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