US 12,439,957 B2
Cigarette and aerosol generating apparatus therefor
Sung Jong Ki, Daejeon (KR); Young Joong Kim, Daejeon (KR); In Su Park, Seoul (KR); John Tae Lee, Daejeon (KR); Sun Hwan Jung, Daejeon (KR); and Eun Mi Jeoung, Daejeon (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Appl. No. 17/439,176
Filed by KT & G CORPORATION, Daejeon (KR)
PCT Filed Nov. 27, 2020, PCT No. PCT/KR2020/017110
§ 371(c)(1), (2) Date Sep. 14, 2021,
PCT Pub. No. WO2021/187720, PCT Pub. Date Sep. 23, 2021.
Claims priority of application No. 10-2020-0032865 (KR), filed on Mar. 17, 2020.
Prior Publication US 2023/0099865 A1, Mar. 30, 2023
Int. Cl. A24D 1/20 (2020.01); A24C 5/01 (2020.01); A24D 1/00 (2020.01); A24D 1/02 (2006.01); A24D 1/04 (2006.01); A24D 3/06 (2006.01); A24F 40/20 (2020.01)
CPC A24D 1/20 (2020.01) [A24C 5/01 (2020.01); A24D 1/002 (2013.01); A24D 1/027 (2013.01); A24D 1/04 (2013.01); A24D 3/062 (2013.01); A24F 40/20 (2020.01)] 8 Claims
OG exemplary drawing
 
1. A cigarette for an aerosol generating device, comprising:
a tobacco rod containing an aerosol generating material;
a cooling rod arranged at a first side of the tobacco rod and comprising a hollow extending in a longitudinal direction of the cigarette; and
a liquid rod arranged at a second side of the tobacco rod and comprising an aerosol generating material excluding nicotine,
wherein a cooling material layer is coated on an inner surface of the cooling rod,
wherein the cooling rod includes a laminate of a plurality of support material layers stacked in a radial direction of the cigarette,
wherein the laminate of the plurality of support material layers include an inner paper layer, an intermediate paper layer, and an outer paper layer,
wherein a basis weight of the inner paper layer is about 70 g/m2 to 150 g/m2, a basis weight of the intermediate paper layer is about 100 g/m2 to 150 g/m2, and a basis weight of the outer paper layer is about 40 g/m2 to 80 g/m2.