Patent ID: 7662458

Claim:
A honeycomb structured body comprising: a plurality of honeycomb members, each of the honeycomb members having a number of cells placed in parallel with one another in a longitudinal direction with a cell wall therebetween; and an adhesive layer including at least inorganic fibers and an inorganic binder, wherein the plurality of honeycomb members are bonded to one another by interposing the adhesive layer, wherein the inorganic fibers have a degree of orientation Ω defined as: Ω=( LV ) or /{( LV ) or +( LV ) is }, where: ( LV ) is =2( PA )∥; ( LV ) or =( PA )⊥−( PA )∥; (PA)⊥ is a number of intersections of the inorganic fibers to a first test face of unit area that is perpendicular to an orientation axis, the orientation axis being defined along the longitudinal direction; and (PA)∥ is a number of intersections of the inorganic fibers to a second test face of unit area that is parallel to the orientation axis, and wherein the degree of orientation Ω is set in a range of about 0.2≦Ω≦about 0.7 or in a range of about −0.7≦Ω≦about −0.2.