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1. (WO2019030277) AEROSOL-GENERATING ARTICLE HAVING ROD WITH MULTIPLE LONGITUDINAL ELONGATE ELEMENTS OF TOBACCO MATERIAL
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CLAIMS

1 . An aerosol-generating article for producing an inhalable aerosol when heated, the aerosol-generating article comprising a rod of aerosol-generating substrate, wherein the rod of aerosol-generating substrate comprises:

a plurality of elongate tubular elements of homogenised tobacco material assembled such that the elongate tubular elements extend in the longitudinal direction; and

a wrapper circumscribing the plurality of elongate tubular elements,

wherein the plurality of elongate tubular elements of homogenised tobacco material are aligned substantially parallel to one another within the rod of aerosol-generating substrate.

2 An aerosol-generating article according to claim 1 wherein at least one elongate tubular element comprises a rolled strip of homogenised tobacco material.

3. An aerosol-generating article according to claim 2 wherein the elongate tubular element has a thickness of at least about 0.1 millimetres.

4. An aerosol-generating article according to claim 2 or 3 wherein the elongate tubular element has a thickness of less than about 3 millimetres.

5. An aerosol-generating article according to any one of claims 2 to 4 wherein the strip is formed of a porous tobacco material.

6. An aerosol-generating article according to any one of claims 2 to 5 wherein the strip is textured, preferably embossed, punctured or crimped.

7. An aerosol-generating article according to any one of claims 2 to 6 wherein the strip of homogenised tobacco material is wound about a longitudinal axis by from about 360 degrees (1 convolution) to 1800 degrees (5 convolution).

8. An aerosol-generating article according to any one of the preceding claims wherein each elongate tubular element has a length substantially equal to a length of the rod of aerosol-generating substrate.

9. An aerosol-generating article according to any one of the preceding claims comprising less than about 200 elongate tubular elements of homogenised tobacco material.

10. An aerosol-generating article according to any one of the preceding claims comprising at least about 15 elongate tubular elements of homogenised tobacco material.

11. An aerosol-generating article according to any one of the preceding claims wherein the elongate tubular elements of homogenised tobacco material are of substantially oval cross-section, substantially elliptical transverse cross-section or substantially circular transverse cross-section.

12. An aerosol-generating article according to any one of the preceding claims wherein each elongate tubular element has an equivalent diameter of less than about 3 millimetres.

13. An aerosol-generating article according to any one of the preceding claims wherein each elongate tubular element has an equivalent diameter of at least about 0.1 millimetres.

14. An aerosol-generating article according to any one of the preceding claims wherein the wrapper circumscribing the plurality of elongate tubular elements is at least partially folded over the elongate tubular elements at the upstream and downstream ends of the rod to retain the plurality of elongate tubular elements within the rod.