HONEYCOMB STRUCTURE

摘要

There is disclosed a honeycomb structure constituted by honeycomb segments, where a honeycomb segment 2 has a first end and second end surfaces of a quadrangular shape; the second end surface having an area larger than that of the first one, a first pair of two side surfaces facing each other in parallel, and a second pair of two side surfaces facing each other make side surfaces become gradually narrow from the second end surface toward the first end surface, where a plurality of honeycomb segments are disposed in such a manner that the honeycomb segments are aligned to form rows in parallel in a predetermined direction, so as to make adjacent honeycomb segments directed opposite to each other in first end surfaces bonded to each other with one of side surfaces of the second pair of side surfaces.

主权项

1. A honeycomb structure in which a plurality of honeycomb segments are integrally bonded via a bonding material, each of the honeycomb segments having a first end surface, a second end surface, porous partition walls to define and form a plurality of cells extending from the first end surface to the second end surface, and an outer peripheral surface connecting the first end surface to the second end surface,
wherein as to each of the honeycomb segments other than the honeycomb segments positioned in the outermost periphery of the honeycomb structure among the plurality of honeycomb segments, the first end surface has a quadrangular shape, the second end surface has a quadrangular shape having an area larger than that of the first end surface, the outer peripheral surface comprises four side surfaces, the four side surfaces are constituted of a pair of parallel side surfaces including two side surfaces facing each other in parallel and a pair of tapered side surfaces including two side surfaces facing each other so that a space between the surfaces narrows from the side of the second end surface toward the side of the first end surface, when the first end surface is seen from a vertical direction thereto, both of X and Z are from 0.3 to 7 mm, where X is a distance between a side constituting the shape of the first end surface and coming in contact with one side surface in the pair of tapered side surfaces and a side constituting the shape of the second end surface and coming in contact with one side surface in the pair of tapered side surfaces, and Z is a distance between a side constituting the shape of the first end surface and coming in contact with the other side surface in the pair of tapered side surfaces and a side constituting the shape of the second end surface and coming in contact with the other side surface in the pair of tapered side surfaces, S1/S2 is 0.8 or more, where S1 is the area of the first end surface and S2 is the area of the second end surface, the plurality of honeycomb segments are disposed to constitute a plurality of parallel rows extending in a predetermined direction on an end surface of the honeycomb structure, and the honeycomb segments constituting the respective rows have a relation between the adjacent honeycomb segments in which the first end surfaces of the respective honeycomb segments are directed opposite to each other, and the side surfaces on one side of the pair of tapered side surfaces face each other.