Honeycomb bodies, especially those used in an exhaust system of an internal combustion engine, contain a housing and a metal matrix with an average starting diameter. The matrix is connected to the housing, whereby at least one contraction limiter that causes an outward directed tensile stress in at...http://www.google.es/patents/US8147763?utm_source=gb-gplus-sharePatente US8147763 - Honeycomb body having a contraction limiter
