A honeycomb structure obtained by bonding, into one piece, a plurality of honeycomb segments (2) each having a plurality of passages (6) surrounded by cell walls and extending in the axial direction of the segment. In the honeycomb structure, a material A ( 3) having compressive elasticity is provid
A honeycomb structure obtained by bonding, into one piece, a plurality of honeycomb segments (2) each having a plurality of passages (6) surrounded by cell walls and extending in the axial direction of the segment. In the honeycomb structure, a material A ( 3) having compressive elasticity is provided at least at a portion of the gaps formed by each two faces of adjacent honeycomb segments (2 ). A honeycomb structure assembly (8) obtained by providing a material B (5) having compressive elasticity on the outer peripheral portion of the above honeycomb structure in a compressed state and thereby compression-holding the honeycomb structure in a metallic container (11). The honeycomb structure and the honeycomb structure assembly have good durability and resistance to heat or vibration, applied during their use.
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The invention claimed is: 1. A honeycomb structure obtained by bonding, into one piece, a plurality of honeycomb segments each having a plurality of passages surrounded by cell walls and extending in the axial direction of the segment, wherein a material A having compressive elasticity is provided
The invention claimed is: 1. A honeycomb structure obtained by bonding, into one piece, a plurality of honeycomb segments each having a plurality of passages surrounded by cell walls and extending in the axial direction of the segment, wherein a material A having compressive elasticity is provided at least at a portion of unbonded gaps formed by each two faces of adjacent honeycomb segments. 2. A honeycomb structure according to claim 1, wherein the material A having compressive elasticity is a ceramic fiber-made mat. 3. A honeycomb structure according to claim 2, wherein the ceramic fiber-made mat is a non-intumescent mat composed mainly of alumina or mullite. 4. A honeycomb structure according to claim 1, wherein the honeycomb structure is a filter that purifies exhaust gas of an automobile. 5. A honeycomb structure according to claim 1, wherein the honeycomb structure is a filter that traps diesel fine particles. 6. A honeycomb structure according to claim 1, wherein the main component of each honeycomb segment comprises (1) at least one kind of ceramic selected from the group consisting of silicon carbide, silicon nitride, cordierite, alumina, mullite, zirconia, zirconium phosphate, aluminum titanate, titania and combinations thereof, and (2) Fe--Cr--Al, nickel or metallic Si and SiC. 7. A honeycomb structure according to claim 2, wherein the main component of each honeycomb segment comprises (1) at least one kind of ceramic selected from the group consisting of silicon carbide, silicon nitride, cordierite, alumina, mullite, zirconia, zirconium phosphate, aluminum titanate, titania and combinations thereof, and (2) Fe--Cr--Al, nickel or metallic Si and SiC. 8. A honeycomb structure according to claim 3, wherein the main component of each honeycomb segment comprises (1) at least one kind of ceramic selected from the group consisting of silicon carbide, silicon nitride, cordierite, alumina, mullite, zirconia, zirconium phosphate, aluminum titanate, titania and combinations thereof, and (2) Fe--Cr--Al, nickel or metallic Si and SiC. 9. A honeycomb structure assembly comprising a metallic container, a honeycomb structure obtained by bonding, into one piece, a plurality of honeycomb segments each having a plurality of passages surrounded by cell walls and extending in the axial direction of the segment, wherein a material A having compressive elasticity is provided at least at a portion of unbonded gaps formed by each two faces of adjacent honeycomb segments, and a material B having compressive elasticity, in which honeycomb structure assembly the material B having compressive elasticity is provided on the outer peripheral portion of the honeycomb structure in a compressed state and thereby the honeycomb structure is compression-held in the metallic container. 10. A honeycomb structure assembly according to claim 9, wherein the material B having compressive elasticity is a ceramic fiber-made mat. 11. A honeycomb structure assembly according to claim 10, wherein the ceramic fiber-made mat is a non-intumescent mat composed mainly of alumina or mullite. 12. A honeycomb structure assembly according to claim 10, wherein the ceramic fiber-made mat is a heat-intumescent mat containing vermiculite. 13. A honeycomb structure assembly according to claim 9, the honeycomb structure assembly is a stuffed can structure, a tourniquet can structure, a clamshell can structure or a swaging can structure. 14. A honeycomb structure assembly according to claim 9, wherein the honeycomb structure assembly includes catalyst-loaded honeycomb segments accommodated in the metallic container. 15. A honeycomb structure assembly according to claim 13, wherein the honeycomb structure assembly includes catalyst-loaded honeycomb segments accommodated in the metallic container. 16. A honeycomb structure assembly according to claim 9, wherein the honeycomb structure assembly comprises the honeycomb segments accommodated in the metallic container, the interior of the metallic container and the honeycomb segments being loaded with catalyst. 17. A honeycomb structure assembly according to claim 13, wherein the honeycomb structure assembly comprises honeycomb segments accommodated in the metallic container, the interior of the metallic container and the honeycomb segments being loaded with catalyst.
Ranalli,Marco; Noller,Christoph, Device for cleaning vehicular exhaust gas, in particular a diesel exhaust particle filter, and vehicle comprising such device.
Zuberi, Bilal; Pillai, Sunilkumar C.; Dutta, Biprodas; Carty, William M.; Lachenauer, Robert G., Extruded porous substrate and products using the same.
Zuberi, Bilal; Pillai, Sunilkumar C.; Lachenauer, Robert G.; Dutta, Biprodas; Carty, William M., Extruded porous substrate and products using the same.
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