Aerosol-generating article for use with an aerosol-generating device

Patent metadata

Field	Value
Publication number	US-11272731-B2
Application number	US-201214362768-A
Country	US
Kind code	B2
Filing date	Dec 28, 2012
Priority date	Dec 30, 2011
Publication date	Mar 15, 2022
Grant date	Mar 15, 2022

Abstract

An aerosol-generating article is provided, including an aerosol-forming substrate; a support element located immediately downstream of the aerosol-forming substrate; an aerosol-cooling element located downstream of the support element; and an outer wrapper circumscribing the aerosol-forming substrate, the support element and the aerosol-cooling element. The support element abuts the aerosol-forming substrate. The aerosol-forming substrate is penetrable by a heating element of an aerosol-generating device.

First claim

The invention claimed is:

1. An aerosol-generating article for use with an aerosol-generating device comprising a heating element insertable into an aerosol-forming substrate of the aerosol-generating article, the aerosol-generating article comprising:
the aerosol-forming substrate comprising a gathered crimped sheet of homogenised tobacco material and having an aerosol former content of between approximately 5% and approximately 30% on a dry weight basis, the aerosol-forming substrate being penetrable by the heating element of the aerosol-generating device and being disposed at an extreme upstream end of the aerosol-generating article;
a support element comprising a hollow tubular element and being disposed immediately downstream of the aerosol-forming substrate so that the support element abuts the aerosol-forming substrate;
an aerosol-cooling element comprising a gathered sheet of biodegradable polymeric material and being disposed downstream of the support element;
a mouthpiece disposed at an extreme downstream end of the aerosol-generating article; and
an outer wrapper circumscribing the aerosol-forming substrate, the support element, the aerosol cooling element, and the mouthpiece,
wherein
the gathered crimped sheet of the homogenised tobacco material in the aerosol-forming substrate comprises a plurality of substantially parallel ridges or corrugations extending along or parallel to a longitudinal axis of the aerosol-generating article.

2. The aerosol-generating article according to claim 1 , wherein the gathered crimped sheet of homogenised tobacco material is additionally textured.

3. The aerosol-generating article according to claim 1 , wherein the support element further comprises a hollow cellulose acetate tube.

4. The aerosol-generating article according to claim 1 , wherein the aerosol-cooling element is disposed immediately downstream of the support element and abuts the support element.

5. The aerosol-generating article according to claim 1 , wherein the aerosol-cooling element further comprises a gathered sheet of polylactic acid.

6. The aerosol-generating according to claim 1 , wherein the mouthpiece comprises a plug of cellulose acetate tow.

7. The aerosol-generating article according to claim 1 , wherein the support element has a fracture force of at least 40 N as measured by a standard compression test.

8. The aerosol-generating article according to claim 1 , wherein the aerosol-cooling element has a total surface area from 300 square millimetres per millimetre length to 1000 square millimetres per millimetre length.

9. The aerosol-generating article according to claim 1 , wherein the aerosol-cooling element has a porosity of 50%-90% in a longitudinal direction.

10. The aerosol-generating article according to claim 1 , wherein the aerosol-cooling element has a specific surface area from 10 mm 2 /mg to 100 mm 2 /mg.

11. The aerosol-generating article according to claim 1 , wherein the mouthpiece comprises a filter.

12. The aerosol-generating article according to claim 1 , wherein the aerosol-forming substrate, the support element, the aerosol-cooling element and the mouthpiece are disposed in coaxial alignment and arranged sequentially.

Assignees

• Philip Morris Products Sa

Inventors

• Zuber Gerard
• Meyer Cedric
• Louvet Alexis
• Jarriault Marine
• Badertscher Thomas
• Gindrat Pierre-Yves
• Sanna Daniele

Classifications

• A24F40/20

  Devices using solid inhalable precursors · CPC title

• A24D1/20 Primary

  Cigarettes specially adapted for simulated smoking devices · CPC title

• A24F40/10

  Devices using liquid inhalable precursors · CPC title

• A24F40/46 Primary

  Shape or structure of electric heating means · CPC title

• A24F40/42

  Cartridges or containers for inhalable precursors · CPC title