IP Library › Granted Patent US 12,478,112
Granted Patent B2
US 12,478,112 · App. 16/174,846 · Granted Nov 25, 2025

Smoking article cartridge

Inventors: Justin William Gage (Greensboro, NC); Billy Tyrone Conner (Clemmons, NC)
Assignee: R.J. REYNOLDS TOBACCO COMPANY
A24F42/60A24B15/167A24D1/14A24F42/10A24B15/165A24D1/22
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Quick Facts
Patent No.
US 12,478,112
App. No.
16/174,846
Granted
Nov 25, 2025
Kind
B2
Abstract

A smoking article includes a mouth end portion in fluid communication with an aerosol generating cartridge. The cartridge includes an enclosure configured to receive an aerosol precursor therein, with the aerosol precursor being configured to generate an aerosol in response to heat. At least a portion of the enclosure is permeable such that the aerosol precursor is retained within the enclosure while the aerosol formed from the aerosol precursor is released from the enclosure through the permeable portion upon heating of the enclosure or the aerosol precursor therein.

Claims (40)

1 . A smoking article, comprising:

a mouth end portion; and

an aerosol generating cartridge in fluid communication with the mouth end portion, and

comprising:

an enclosure configured to receive an aerosol precursor therein, the aerosol precursor being configured to generate an aerosol in response to heat, at least a portion of the enclosure being permeable such that the aerosol precursor is retained within the enclosure while the aerosol formed from the aerosol precursor is released from the enclosure through the permeable portion upon heating of the enclosure or the aerosol precursor therein, the enclosure further defining first and second end wall portions, wherein the second end wall portion is inset relative to the first end wall portion so as to define two or more pockets that are recessed with respect to an end plane of the cartridge, each pocket defining a void space that creates a convective air gap, wherein each of the two or more recessed pockets is positioned adjacent a first end wall portion.

2 . The article of claim 1 , further comprising an ignitable heat generation element disposed opposite the aerosol generating cartridge from the mouth end portion of the smoking article, the heat generation element being comprised of a carbonized material or a pyrolyzed material.

3 . The article of claim 2 , further comprising a tobacco rod disposed between the aerosol generating cartridge and the mouth end portion or between the aerosol generating cartridge and the heat generation element.

4 . The article of claim 1 , wherein the mouth end portion comprises a filter element in fluid communication with the aerosol generating cartridge.

5 . The article of claim 1 , wherein the aerosol precursor comprises tobacco beads, tobacco pellets, extruded tobacco, cast sheet tobacco in cut filler form, a sheet of a reconstituted tobacco material in cut filler form, aerosol forming beads, alumina beads, a ceramic material, a cast sheet of a non-tobacco material in cut filler form, a glass fiber mat, a foil sheet, gathered paper, or a gel, or various combinations thereof.

6 . The article of claim 1 , wherein the enclosure is comprised of tobacco, paper, or metal, or various combinations thereof.

7 . The article of claim 6 , wherein the enclosure is comprised of a paper-foil laminate.

8 . The article of claim 1 , wherein the enclosure includes an elongate peripheral wall defining an elongate hollow cylinder having opposed first and second longitudinal ends, and first and second end walls respectively extending laterally across the first and second longitudinal ends of the peripheral wall.

9 . The article of claim 8 , wherein one of the first end wall and the second end wall is perforated to release the aerosol from the enclosure.

10 . The article of claim 9 , wherein the first end wall and the second end wall are perforated.

11 . The article of claim 8 , wherein one of the first end wall and the second end wall is offset from the respective first and second longitudinal end of the peripheral wall.

12 . The article of claim 11 , wherein the first end wall includes the first end wall portion and the second end wall portion, wherein the first end wall portion and the second end wall portion are not co-planar.

13 . The article of claim 12 , wherein the first portion is offset from the second portion along a longitudinal axis of the peripheral wall.

14 . The article of claim 8 , wherein the enclosure is symmetric about a longitudinal axis of the peripheral wall.

15 . The article of claim 8 , wherein the enclosure is symmetric about a plane bisecting the peripheral wall between the first and second ends thereof.

16 . The article of claim 8 , wherein one of the first wall and the second end wall is formed separately from the peripheral wall and engaged with the peripheral wall by welding, an adhesive, or a friction fit.

17 . The article of claim 8 , wherein one of the first wall and the second wall includes a folded wrapping material extending laterally across one of the first and second longitudinal ends of the peripheral wall, and along the peripheral wall as a layer thereof.

18 . The article of claim 1 , further comprising a control body, the control body comprising at least a portion of a heating device associated with a receptacle defined by the control body,

wherein the receptacle is configured to receive an end portion of the aerosol generating cartridge, the end portion being opposite the mouth end portion.

19 . The article of claim 18 , wherein the heating device is an electric resistance heater configured to generate heat for heating the enclosure or the aerosol precursor therein.

20 . The article of claim 18 , wherein the heating device is an inductive heater comprising a resonant transmitter.

21 . The article of claim 20 , wherein the aerosol generating cartridge comprises a resonant receiver configured to cooperate with the resonant transmitter to generate heat for heating the enclosure or the aerosol precursor therein.

22 . The article of claim 21 , wherein the resonant receiver is attached to the aerosol generating cartridge.

23 . The article of claim 21 , wherein the enclosure includes the resonant receiver.

24 . The article of claim 1 , wherein the aerosol generating cartridge comprises a plurality of aerosol generating cartridges, with the aerosol precursor in a first one of the plurality of aerosol generating cartridges having at least one different component than the aerosol precursor in a second one of the plurality of aerosol generating cartridges.

25 . The article of claim 24 , wherein the first one of the plurality of aerosol generating cartridges and the second one of the plurality of aerosol generating cartridges are serially disposed with respect to each other.

26 . The article of claim 1 , comprising a wrapping material circumscribing at least a portion of the aerosol generating cartridge, the wrapping material comprising a paper foil sheet laminate, a paper foil paper sheet laminate, a paper foil tobacco sheet laminate, a non-woven graphite sheet, a graphene sheet, a graphene foil sheet laminate, a graphene foil paper sheet laminate, a paper graphene sheet laminate, a graphene ink imprinted on a paper sheet, a graphene ink imprinted on a foil sheet, carbon nanotubes engaged with a paper sheet or a foil sheet, fullerenes engaged with a paper sheet or a foil sheet, or graphene engaged with a paper sheet or a foil sheet, or various combinations thereof.

27 . A smoking article, comprising:

a mouth end portion;

an aerosol generating cartridge in fluid communication with the mouth end portion, wherein the aerosol generating cartridge comprises an enclosure configured to receive an aerosol precursor therein, the aerosol precursor being configured to generate an aerosol in response to heat; and

a tobacco rod disposed between the aerosol generating cartridge and the mouth end portion,

wherein the aerosol generating cartridge comprises an enclosure that includes an elongate peripheral wall defining an elongate hollow cylinder having opposed first and second longitudinal ends, wherein the first longitudinal end defines a first end wall extending laterally thereacross, and wherein the second longitudinal end abuts the tobacco rod, wherein the enclosure further defines first and second end wall portions, wherein the second end wall portion is inset relative to the first end wall portion so as to define two or more pockets that are recessed with respect to an end plane of the cartridge, each pocket defining a void space that creates a convective air gap, wherein each of the two or more recessed pockets is positioned adjacent a first end wall portion.

28 . The smoking article of claim 27 , wherein the mouth end portion comprises a filter element in fluid communication with the aerosol generating cartridge.

29 . The article of claim 27 , further comprising a wrapping material circumscribing at least a portion of the enclosure and at least a portion of the tobacco rod, the wrapping material comprising at least one of a paper foil sheet laminate, a paper foil paper sheet laminate, a paper foil tobacco sheet laminate, a non-woven graphite sheet, a graphene sheet, a graphene foil sheet laminate, a graphene foil paper sheet laminate, a paper graphene sheet laminate, a graphene ink imprinted on a paper sheet, a graphene ink imprinted on a foil sheet, carbon nanotubes engaged with a paper sheet or a foil sheet, fullerenes engaged with a paper sheet or a foil sheet, or graphene engaged with a paper sheet or a foil sheet, or various combinations thereof.

30 . The article of claim 27 , wherein the enclosure comprises at least one of tobacco, paper, or metal, or various combinations thereof.

31 . The article of claim 27 , wherein the enclosure is symmetric about a longitudinal axis of the peripheral wall.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 19, 2018
From: GAGE, JUSTIN WILLIAM; CONNER, BILLY TYRONE
To: R.J. REYNOLDS TOBACCO COMPANY
Reel/Frame 047813/0920 →
Continuity (1)
Related Publication 20200128880A1 · Apr 30, 2020
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