Patent ID: 6159578
Filing Date: 2000-12-12
Classification: B01J,F01N,Y02A,Y10T

Abstract:
A hexagonal-cell honeycomb structure comprising a matrix of partition walls forming therebetween a plurality of adjacent elongate call passages, wherein the cross-sectional shape of each cell is hexagonal,a C-axis direction in a plans of a cross-section of said structure and crossing the cross-sectional area of an hexagonal cell from one partition wall junction to another partition wall junction substantially diametrically opposite said one junction across the area of said hexagonal cell,and a B-axis direction also lying in said plane and perpendicular to said C-axis direction,and the ratio (C/B) of the average C-axis compression fracture strength (C) and the average B-axis compression fracture strength (B) of the honeycomb structure being 0.9 or more.