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1. (WO2019046229) HONEYCOMB BODY WITH RADIAL HONEYCOMB STRUCTURE HAVING TRANSITION STRUCTURAL COMPONENT AND EXTRUSION DIE THEREFOR
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CLAIMS

WHAT IS CLAIMED IS:

1. A honeycomb body comprising a honeycomb structure comprised of:

a plurality of interconnected webs defining a plurality of cell channels in a honeycomb matrix having a central axis orthogonal to its transverse cross section, the plurality of interconnected webs comprising:

radial webs arranged to diverge from one another with respect to the central axis as the radial webs extend toward an outermost periphery of the honeycomb structure, the radial webs comprising a first radial web and a second radial web;

tangential webs arranged concentrically with respect to the central axis, wherein at least one of the tangential webs is a tangential transition web and is located between two adjacent radial webs; and

at least one transition structural component located radially inward from the tangential transition web, wherein the at least one transition structural component comprises a first inclined web having a first end coupled to the first radial web and a second inclined web having a first end coupled to the second radial web.

2. The honeycomb body of claim 1, wherein the at least one transition structural component comprises a radially-extending web having a first end and a second end, the first end coupled to the tangential transition web and the second end coupled to a second end of the first inclined web and a second end of the second inclined web.

3. The honeycomb body of claim 2, wherein the at least one transition structural component is devoid of a tangential web extending between the first end of the first inclined web and the first radial web and the first end of the second inclined web and the second radial web.

4. The honeycomb body of claim 1, further comprising an inner tangential web extending between the first end of the first inclined web and the first end of the second inclined web .

5. The honeycomb body of claim 4, wherein the first inclined web has a second end, wherein the second inclined web has a second end, wherein the second end of the first inclined web is coupled to the tangential transition web, and wherein the second end of the second inclined web is coupled to the tangential transition web.

6. The honeycomb body of claim 5, wherein the second end of the first inclined web and the second end of the second inclined web are coupled to the same location on the tangential transition web.

7. The honeycomb body of claim 1, wherein the first inclined web has a thickness approximately equal to a thickness of at least one tangential web.

8. The honeycomb body of claim 1, wherein a first number of cell channels is in a first ring of cell channels centered about the central axis and on a first side of the at least one transition structural component and a second number of cell channels is in a second ring of cell channe centered about the central axis and on a second side of th at least one transition structural component.

9. The honeycomb body of claim 1, wherein at least one of the tangential webs is straight between two adjacent radial webs .

10. The honeycomb body of claim 1, wherein at least one plurality of tangential webs is arranged concentrically with respect to the central axis, and wherein all tangential webs of the at least one plurality of tangential webs are straight .

11. The honeycomb body of claim 1, comprising an outermost ring of tangential webs having inner surfaces facing the central axis, at least one inner surface of the outermost ring of tangential webs being concave.

12. The honeycomb body of claim 1, wherein at least one of the radial webs extends from the central axis to an

outermost periphery of the honeycomb matrix.

13. The honeycomb body of claim 1, the first inclined web and the second inclined web are continuous curved web.

14. The honeycomb body of claim 1, wherein at least one radial web and at least one tangential web have thicknesses of less than 0.38 mm.

15. The honeycomb body of claim 1, wherein at least one radial web and at least one tangential web have thicknesses of greater than 0.025 mm.

16. The honeycomb body of claim 1, wherein the first inclined web intersects the first radial web at an angle that is the same as an angle that the second inclined web intersects the second radial web.

17. A honeycomb body comprising a honeycomb structure comprised of:

a plurality of interconnected webs defining a plurality of cell channels in a honeycomb matrix having a central axis orthogonal to its transverse cross-section, the plurality of interconnected webs comprising:

radial webs arranged to diverge from one another with respect to the central axis as the radial webs extend toward an outermost periphery of the honeycomb structure, the radial webs comprising a first radial web and a second radial web; and

tangential webs arranged concentrically with respect to the central axis, wherein at least one of the tangential webs is a tangential transition web and is located between two adjacent radial webs; and

at least one transition structural component bounded by the tangential transition web, the first radial web, and the second radial web, wherein the at least one transition structural component comprises:

a first inclined web having a first end and a second end, wherein the first end is coupled to the first radial web;

a second inclined web having a first end and a second end, wherein the first end is coupled to the second radial web; and

a radially-extending web having a first end and a second end, the first end coupled to the tangential transition web and the second end coupled to the second end of the first inclined web and the second end of the second inclined web.

18. The honeycomb body of claim 17, wherein the at least one transition structural component is devoid of a

tangential web extending between the first end of the first inclined web and the first radial web and the first end of the second inclined web and the second radial web.

19. The honeycomb body of claim 17, wherein the first inclined web has a thickness approximately equal to a thickness of at least one tangential web.

20. An extrusion die, comprising:

an outlet face of a die body having a central axis orthogonal to the outlet face and comprising a matrix of intersecting slots comprising:

radial slots arranged to diverge from one another with respect to the central axis as the radial slots extend toward an outermost periphery of the die body, the radial slots comprising a first radial slot and a second radial slot;

tangential slots arranged concentrically with respect to the central axis, wherein at least one of the tangential slots is a tangential transition slot and is located between two adjacent radial slots; and at least one transition structural component located radially inward from the tangential transition slot, wherein the at least one transition structural component comprises a first inclined slot having a first end coupled to the first radial slot and a second inclined slot having a first end coupled to the second radial slot.