US 12,439,956 B2
Tubular element with threads for use with an aerosol generating article
Gennaro Campitelli, Neuchatel (CH)
Assigned to Philip Morris Products S.A., Neuchatel (CH)
Appl. No. 17/312,664
Filed by Philip Morris Products S.A., Neuchatel (CH)
PCT Filed Dec. 16, 2019, PCT No. PCT/EP2019/085438
§ 371(c)(1), (2) Date Jun. 10, 2021,
PCT Pub. No. WO2020/127111, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 18213030 (EP), filed on Dec. 17, 2018.
Prior Publication US 2022/0046979 A1, Feb. 17, 2022
Int. Cl. A24D 1/20 (2020.01); A24B 15/167 (2020.01); A24D 1/02 (2006.01); A24F 40/10 (2020.01); A24F 40/465 (2020.01)
CPC A24D 1/20 (2020.01) [A24B 15/167 (2016.11); A24D 1/02 (2013.01); A24F 40/10 (2020.01); A24F 40/465 (2020.01)] 13 Claims
OG exemplary drawing
 
1. A tubular element for an aerosol-generating article, the tubular element having a longitudinal length and comprising:
a first wrapper that forms a first longitudinal passageway; and
a plurality of porous threads loaded with gel,
wherein each of the plurality of porous threads run longitudinally, parallel to the longitudinal length of the tubular element,
wherein the gel comprises an aerosol former and an active agent,
wherein the aerosol former comprises between 60 percent and 95 percent by weight of glycerol, and
wherein the active agent comprises nicotine;
further comprising a plurality of hollow second tubular elements each comprising a second wrapper, the plurality of hollow second tubular elements disposed longitudinally within the first longitudinal passageway,
wherein the plurality of porous threads are disposed between the plurality of hollow second tubular elements and an inner surface of the first wrapper the plurality of porous threads and hollow second tubular elements being substantially co-extensive.