Patent ID: 8192680
Filing Date: 2012-06-05
Classification: C04B,F27B,F27D

Abstract:
1. A method of manufacturing honeycomb bodies comprising: conveying first and second subsets of honeycomb bodies through a tunnel kiln, the first subset comprising at least one honeycomb body of a first type and the second subset comprising at least one honeycomb body of a second type, the at least one honeycomb body of the first type and the at least one honeycomb body of the second type being disposed in the tunnel kiln at the same time, the first and second subsets of honeycomb bodies arranged on a plurality of vehicles comprising a first group of vehicles carrying honeycomb bodies of the first subset and a second group of vehicles carrying honeycomb bodies of the second subset, wherein the honeycomb bodies are exposed to a plurality of heating zones in the kiln, each honeycomb body of the first type in the first subset having a honeycomb wall thickness of greater than the honeycomb wall thickness of each honeycomb body of the second type in the second subset, and fewer than 60% of the honeycomb bodies present in the kiln at the same time being of the second type.