EP4268628A1 - Beheiztes tabakprodukt mit durch die seitenwand punktierten punkten - Google Patents

Beheiztes tabakprodukt mit durch die seitenwand punktierten punkten Download PDF

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Publication number
EP4268628A1
EP4268628A1 EP20966548.8A EP20966548A EP4268628A1 EP 4268628 A1 EP4268628 A1 EP 4268628A1 EP 20966548 A EP20966548 A EP 20966548A EP 4268628 A1 EP4268628 A1 EP 4268628A1
Authority
EP
European Patent Office
Prior art keywords
section
tobacco
sidewall
tobacco product
heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20966548.8A
Other languages
English (en)
French (fr)
Inventor
Bin Li
Shuang Wang
Ke Zhang
Mingjian ZHANG
Feng Huang
Lili Fu
Qi Zhang
Nan DENG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Tobacco Research Institute of CNTC
Original Assignee
Zhengzhou Tobacco Research Institute of CNTC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Tobacco Research Institute of CNTC filed Critical Zhengzhou Tobacco Research Institute of CNTC
Publication of EP4268628A1 publication Critical patent/EP4268628A1/de
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations

Definitions

  • the present invention relates to the field of cigarette product manufacturing, in particular to a heated tobacco product with a perforated sidewall, which belongs to the category of heat-not-burn cigarettes.
  • New tobacco products have gradually become a realistic choice for major multinational tobacco companies to cope with the declining sales of traditional tobacco products ( Yali Liu, Jinbang Wang, Xinzhang Zhao, et al. Development Status and the Prospect of Heat-not-burn Tobacco Products [J]. Chinese Journal of Tobacco, 2018,24 (4 )) .
  • the present invention generates the driving force of the active migration of the smoke through a specific structural design, thereby forming a mainstream smoke by utilizing active migration and convection of the smoke, and a heated tobacco product with perforated sidewall is proposed.
  • An object of the present invention is to provide a heated tobacco product with a perforated sidewalls based on the status mentioned in above prior arts.
  • the tobacco product is formed by a multi-section rolling connection mode, and the cigarette comprises a tobacco section, a smoke extraction section, a functional filter tip section and the like. Sidewall through holes are arranged at specific positions of cigarettes to form a smoke extraction section.
  • the cigarette is inserted into a closed heating smoking set.
  • Smoke generated in the tobacco section is actively migrated through the driving force generated by the Bernoulli principle and the gas diffusion principle, and then is mixed with the air entering from the sidewall through holes to form mainstream smoke.
  • the tobacco product can conveniently regulate the extraction efficiency, dilution rate and smoke temperature of the smoke, thereby improving the sensory quality of the heated tobacco product.
  • the design mechanism of the present invention is as follows: the tobacco product is provided with sidewall through holes at a specific position of a cigarette to form a smoke extraction section, a concentration difference and a pressure difference are formed between the tobacco section and the smoke extraction section, and fresh smoke generated in the sealed cigarette tobacco section is extracted into mainstream smoke by utilizing the gas migration principle.
  • a heated tobacco product with a perforated sidewall comprising a tobacco section and a functional tip section, wherein a smoke extracting section is arranged between the tobacco section and the functional tip section, the tobacco section, the smoke extracting section and the functional tip section are wrapped and connected together by an external rolling material, said smoke extracting section is a cylinder with a cavity structure, at least one sidewall through hole communicated with the cavity structure is opened on a side wall of the cylinder, and a coaxial through hole is provided on the external rolling material at a position corresponding to the sidewall through hole.
  • the forms of the hollow structure can be divided into the following three types: One is that the cross section of the cavity structure (hollow structure) has a regular or an irregular shape such as circle, regular hexagon, hexagon, pentagon, heart shape and the like (as shown in FIG. 2 ).
  • the second type is that the hollow structure is an annular platform typed through cavity (shown in FIG. 3 ) composed of sections having different diameters, the annular platform type through cavity may have 2-5 sections, preferably 2-3 sections, and the circumferential inner diameter of the cavity can be adjusted arbitrarily, which can be 2-10mm.
  • the third type is that the cavity structure is composed of a plurality of evenly distributed channels penetrating in an axial direction (as shown in FIG. 4 ), and the number and the diameter of the channels can be adjusted arbitrarily.
  • the sidewall through holes directly lead to the center of the smoke extraction section along the radial direction or at a certain angle, so that the plurality of channels are connected to the sidewall through holes.
  • the length of the smoke extraction section can be adjusted according to actual conditions, which may be 5 ⁇ 30 mm.
  • the included angle ⁇ between the sidewall through holes and the axis of the hollow cavity is 90°-150° (as shown in FIG. 5 ), preferably 90°.
  • the diameter of the through holes can be adjusted according to the actual requirement, the optimal diameter is 0.01-3mm; the number of the through holes can be adjusted as required, the optimal number is 1-30, and the through holes are uniformly distributed along the circumference; the diameter of the through holes and the number of the through holes are adjusted and matched according to actual conditions; the distance from the through hole to the tobacco section can be adjusted arbitrarily, and the optimal distance is 0.5-15mm.
  • the diameter of the coaxial through hole on the external rolling material is not less than that of the through hole on the side wall.
  • the tobacco section is formed by tobacco raw materials in various forms or other smoking substrates wrapped with cigarette paper;
  • the tobacco raw materials are tobacco substances composed of a certain formula, which can be in the form of sheets, filaments, granules, shaped rods, porous rods, or gel;
  • the cigarette paper is an airtight material or a material with controllable air-permeability.
  • the smoke extraction section is made of a hard material with certain hardness, including metal, PEEK, polytetrafluoroethylene, organic glass, acetate fiber, a paper-based material and the like.
  • the heated tobacco product is used in conjunction with a closed tobacco heating appliance, the closed tobacco heating appliance is composed of a heating cavity and a sealing ring (see FIG. 6 ), the heating cavity has a cylindrical cavity structure, the heating mode thereof can be either circumferential heating or inner core heating, and the heating cavity may partially or completely cover the entire tobacco section.
  • the sealing structure may be a soft sealing ring, an artificial lip, or other sealing structures for sealing the circumference.
  • a cap 7 may be provided for enhance the sealing effect.
  • the cap has a hollow cylindrical structure, and the inner diameter of the cap is slightly greater than the outer diameter of the cigarette in order to guarantee that the air can enter the sidewall through hole, the inner cavity of the cap has a gradually-expanding trumpet structure, and if the cap has a trumpet structure, the included angle with the central axis is greater than or equal to 0° to less than or equal to 5°.
  • the heating cavity, the sealing ring and the cap are coaxial, and the cap is connected with the heating cavity by the means of threads, snaps or magnetic attraction.
  • the cigarette namely a tobacco product
  • the tobacco in the tobacco section When in use, the cigarette (namely a tobacco product) according to the present invention is inserted into a closed heating appliance, and the tobacco in the tobacco section generates smoke after being heated, so that the smoke concentration of the tobacco section is increased, and the air pressure is increased; during suction, air enters the smoke extraction section via the through hole on the side wall, and a lower smoke concentration and lower air pressure area is formed in the hollow cavity; under the combined action of concentration difference and air pressure difference between the tobacco section and the smoke extraction section, smoke in the tobacco section actively migrates to the position of the sidewall through hole, and is carried into the functional tip section by the air flowed from the sidewall through hole to form mainstream smoke.
  • the extraction efficiency of the smoke By adjusting the number, the diameter, the perforating direction and the distance from the tobacco sections of the sidewall through holes, the extraction efficiency of the smoke, the dilution efficiency of the smoke and the temperature of the mainstream smoke can be adjusted.
  • the invention has following advantages: 1. the mode of indirectly carrying the smoke by utilizing the smoke extraction section may effectively prevent the cold air from passing through the tobacco section during suction, the heating efficiency is improved, and at meanwhile, the oxygen content of the tobacco section is effectively reduced, and the purpose of heat-not-burn is achieved; 2. the extraction efficiency of the smoke, the dilution efficiency of the smoke and the temperature of the mainstream smoke can be conveniently adjusted by adjusting the number, the diameter, the perforating direction and the distance from the sidewall through holes to the tobacco section, so that the sensory quality of the cigarette is improved; 3. the device has a simple structure and is easy to industrialize.
  • a heated tobacco product with a perforated sidewall comprises a tobacco section (1) and a functional tip section (3), wherein: a smoke extraction section (2) is arranged between the tobacco section (1) and the functional tip section (3), the tobacco section (1), the smoke extraction section (2) and the functional tip section (3) are wrapped and connected together through an external rolling material (namely cigarette paper 4 and tipping paper 5), the smoke extraction section is a cylinder with a cavity structure (2-1), at least one sidewall through hole (2-2) communicated with the cavity structure (2-1) is opened on the side wall of the cylinder, and a coaxial through hole (4-1) is provided on the cigarette paper (4) at a position corresponding to the sidewall through hole (2-2).
  • the hollow cavity structure may be structured in the following three types: One is that the cross section of the cavity structure (2-1) has a regular or an irregular shape such as circle, regular hexagon, hexagon, pentagon, heart shape and the like (as shown in FIG. 2 ).
  • the second type is that the cavity structure (2-1), an annular platform typed through cavity (shown in FIG. 3 ), is composed of sections with different diameters, preferably, composed of 2-3 sections, and the circumferential inner diameter of the cavity can be adjusted arbitrarily, which can be 2-10mm.
  • the third type is that the cavity structure (2-1) is composed of a plurality of evenly distributed channels penetrating in an axial direction (as shown in FIG. 4 ), and the number and the diameter of the channels can be adjusted arbitrarily.
  • the included angle ⁇ between the sidewall through holes and the axis of the hollow cavity is 90°-150° (as shown in FIG. 5 ), preferably 90°.
  • the aperture diameter of the through holes can be adjusted arbitrarily, the optimal diameter is 0.01-3mm; the number of the through holes can be adjusted arbitrarily, the optimal number is 1-30, and the through holes are uniformly distributed along the circumference; the diameter of the through holes and the number of the through holes are adjusted and matched according to actual conditions; the distance from the through hole to the tobacco section can be adjusted arbitrarily, and the optimal distance is 0.5-15mm.
  • the tobacco section is composed of tobacco raw materials in various forms or other smoking substrates wrapped with cigarette paper;
  • the tobacco raw materials are tobacco substances composed of a certain formula, which can be in the form of sheets, filaments, granules, shaped rods, porous rods, or gel;
  • the cigarette paper is an airtight material or a material with controllable air-permeability.
  • the smoke extraction section is made of a hard material with certain hardness, including metal, PEEK, polytetrafluoroethylene, organic glass, acetate fiber, a paper-based material and the like.
  • the heated tobacco product is used in conjunction with a closed tobacco heating appliance, the closed tobacco heating appliance is composed of a heating cavity 6 and a sealing ring 8 (see FIG. 6 ), the heating cavity has a cylindrical cavity structure, the heating mode thereof can be either circumferential heating or inner core heating, and the heating cavity covers the entire tobacco section.
  • the sealing structure may be a soft sealing ring, an artificial lip, or other sealing structures for sealing the circumference.
  • a cap 7 may be provided for enhance the sealing effect.
  • the cap has a hollow cylindrical structure, and the inner diameter of the cap is slightly greater than the outer diameter of the cigarette in order to guarantee that the air can enter the sidewall through-hole, the inner cavity of the cap has a gradually-expanding trumpet structure (in FIG.
  • the heating cavity 6, the sealing ring 8 and the cap 7 are coaxial, and the cap is connected with the heating cavity by the means of threads, snaps or magnetic attraction.
  • the sidewall through hole 2-2 is positioned outside the sealing ring 8 of the smoking set, so as to ensure that the outside air can flow into the hollow cavity 2-1 through the through hole.
  • Fig. 7 is a data chart showing the mass flow data of each section obtained by using Fluent software simulation under different sidewall through hole diameters and cavity inner diameters, as well as the calculated smoke extraction efficiency and dilution rate data. It can be seen from the table, the extraction efficiency and the dilution rate of the smoke can be conveniently adjusted by adjusting the aperture diameter of the sidewall through holes and the inner diameter of the cavity.

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  • Manufacture Of Tobacco Products (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP20966548.8A 2020-12-25 2020-12-25 Beheiztes tabakprodukt mit durch die seitenwand punktierten punkten Pending EP4268628A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/139302 WO2022133982A1 (zh) 2020-12-25 2020-12-25 一种侧壁打孔的加热烟草制品

Publications (1)

Publication Number Publication Date
EP4268628A1 true EP4268628A1 (de) 2023-11-01

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ID=82158644

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20966548.8A Pending EP4268628A1 (de) 2020-12-25 2020-12-25 Beheiztes tabakprodukt mit durch die seitenwand punktierten punkten

Country Status (7)

Country Link
US (1) US20240049771A1 (de)
EP (1) EP4268628A1 (de)
JP (1) JP2024506126A (de)
KR (1) KR20230128036A (de)
CA (1) CA3202972A1 (de)
MX (1) MX2023007485A (de)
WO (1) WO2022133982A1 (de)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924883A (en) * 1987-03-06 1990-05-15 R. J. Reynolds Tobacco Company Smoking article
TW201410163A (zh) * 2012-07-19 2014-03-16 Philip Morris Prod 具有減少的側流煙之煙品
TW201801618A (zh) * 2016-05-31 2018-01-16 菲利浦莫里斯製品股份有限公司 具有一絕緣的熱源之氣溶膠產生物件
KR20200119248A (ko) * 2018-02-15 2020-10-19 필립모리스 프로덕츠 에스.에이. 에어로졸 냉각 요소를 포함하는 에어로졸 발생 물품
BR112020013597A2 (pt) * 2018-02-15 2020-12-01 Philip Morris Products S.A. artigo gerador de aerossol compreendendo elemento de resfriamento de aerossol
CN211185848U (zh) * 2019-08-27 2020-08-07 北京荣超利科技有限公司 一种两用型卷烟
CN112704262B (zh) * 2019-10-25 2022-11-29 中国烟草总公司郑州烟草研究院 一种密闭式加热不燃烧卷烟及组件
CN112841716B (zh) * 2019-11-26 2023-01-03 中国烟草总公司郑州烟草研究院 一种侧壁打孔的加热烟草制品
CN111567862A (zh) * 2020-05-19 2020-08-25 云南中烟工业有限责任公司 一种减少侧流烟气的密闭加热式烟支
CN111567863A (zh) * 2020-05-19 2020-08-25 云南中烟工业有限责任公司 一种具有烟气通道的密闭加热式烟支
CN111588079A (zh) * 2020-05-19 2020-08-28 云南中烟工业有限责任公司 一种可控吸阻的密闭加热式烟支
CN111588089A (zh) * 2020-05-19 2020-08-28 云南中烟工业有限责任公司 具有可伸缩针的贫氧加热烟具、烟草制品和使用方法

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JP2024506126A (ja) 2024-02-09
US20240049771A1 (en) 2024-02-15
WO2022133982A1 (zh) 2022-06-30
KR20230128036A (ko) 2023-09-01
CA3202972A1 (en) 2022-06-30
MX2023007485A (es) 2023-08-03

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