US 12,357,027 B2
Smoking article
Zuqiang Qi, Shenzhen (CN); Jian Wu, Shenzhen (CN); Jiamao Luo, Shenzhen (CN); Baoling Lei, Shenzhen (CN); Zhongli Xu, Shenzhen (CN); and Yonghai Li, Shenzhen (CN)
Assigned to SHENZHEN FIRST UNION TECHNOLOGY CO., LTD., Shenzhen (CN)
Appl. No. 17/792,704
Filed by SHENZHEN FIRST UNION TECHNOLOGY CO., LTD., Shenzhen (CN)
PCT Filed Jan. 13, 2021, PCT No. PCT/CN2021/071510
§ 371(c)(1), (2) Date Jul. 13, 2022,
PCT Pub. No. WO2021/143726, PCT Pub. Date Jul. 22, 2021.
Claims priority of application No. 202010031288.4 (CN), filed on Jan. 13, 2020.
Prior Publication US 2023/0046414 A1, Feb. 16, 2023
Int. Cl. A24F 40/46 (2020.01); A24F 40/70 (2020.01)
CPC A24F 40/46 (2020.01) [A24F 40/70 (2020.01)] 11 Claims
 
1. A smoking article, comprising an aerosol-forming matrix, being used in combination with a smoking set disposed outside the smoking article for heating to volatilize at least one component of the aerosol-forming matrix, the smoking article comprising:
a smoke generating section, having a tube wall and a tube cavity; the tube cavity being configured to contain the aerosol-forming matrix;
an infrared radiation layer, being formed on at least part of the inner surface of the tube wall; the infrared radiation layer being configured to be heated by the smoking set to generate infrared rays and at least heat the aerosol-forming matrix by radiation;
wherein the smoking article further comprises an infrared reflecting layer for reflecting the generated infrared rays from the infrared radiation layer back;
the infrared reflecting layer is arranged between the infrared radiation layer and the inner surface, and directly engages with the infrared radiation layer.