EP3845078A1 - Consommable de substitution du tabac - Google Patents
Consommable de substitution du tabac Download PDFInfo
- Publication number
- EP3845078A1 EP3845078A1 EP19220272.9A EP19220272A EP3845078A1 EP 3845078 A1 EP3845078 A1 EP 3845078A1 EP 19220272 A EP19220272 A EP 19220272A EP 3845078 A1 EP3845078 A1 EP 3845078A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- aerosol
- bores
- filter segment
- article
- bore
- 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.)
- Ceased
Links
Images
Classifications
-
- 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
-
- 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
- A24D3/17—Filters specially adapted for simulated smoking devices
Definitions
- the vapour passes through the consumable (entrained in the airflow) from an inlet to a mouthpiece (outlet), the vapour cools and condenses to form an aerosol for inhalation by the user.
- the aerosol will normally contain the volatile compounds.
- each bore of the plurality of bores is substantially straight.
- one bore of the plurality of bores is substantially parallel to a second bore of the plurality of bores.
- the filter segment has a longitudinal axis, for instance a central axis of a body having a cylindrical form.
- the plurality of bores extend through the body, wherein each bore is substantially parallel to the longitudinal axis.
- each bore of the plurality of bores has a substantially constant cross-section. Whilst a number of cross-sectional shapes are envisaged, preferably, the cross-sectional shape is generally circular.
- the exemplary embodiments comprising the plurality of bores arranged about a notional circle may be combined with other exemplary embodiments or may be used in isolation, in which case there is therefore provided an aerosol-forming device having a filter segment comprising a plurality of bores formed there through, wherein the plurality of bores are arranged about a notional circle.
- the plurality of bores may be arranged so that no part of a bore is formed in a central region of the upstream face of the filter segment.
- the airflow may be most restricted by a part of said elements having a specific cross-section and here, the central region may include a region having the same cross-sectional shape wherein the area of the cross-sectional shape of the central region is around 8%-10% of the area of the cross section of said element.
- the central region has an area around 8%-10% of the area of the central passageway.
- the central region may have a corresponding circular area.
- the circular region may have a radius that is less than 43% or less than 35% or less than 30% of the radius of the filter segment. Additionally or alternatively, the circular region may have a radius that is greater than 20% or greater than 25% of the radius of the filter segment.
- the filter segment having a plurality of bores there through is adapted to have a porosity of around 6%.
- the porosity is a measure between the total cross-sectional area of the plurality of the bores relative to the total cross-sectional area of the filter segment.
- the porosity of the filter segment is a measure of the total cross-sectional area of the bores formed in an upstream end face of the filter segment relative to the area of the upstream end face.
- the total cross-sectional area of the bores is less than 20% or less than 15% or less than 10% of the cross-sectional area of the upstream end face of the filter segment.
- the tobacco may comprise one or more of leaf tobacco, stem tobacco, tobacco powder, tobacco dust, tobacco derivatives, expanded tobacco, homogenised tobacco, shredded tobacco, extruded tobacco, cut rag tobacco and/or reconstituted tobacco (e.g. slurry recon or paper recon).
- Humectants are provided as vapour generators - the resulting vapour helps carry the volatile active compounds and increases visible vapour.
- Suitable humectants include polyhydric alcohols (e.g. propylene glycol (PG), triethylene glycol, 1,2-butane diol and vegetable glycerine (VG)) and their esters (e.g. glycerol mono-, di- or tri-acetate). They may be present in the aerosol-forming substrate in an amount between 1 and 50 wt%.
- the humectant content of the aerosol-forming substrate may have an upper limit of at most 50 % by weight of the plant material, such as at most 40 wt %, such as at most 30 wt %, or such as at most 20 wt %.
- the binder content is 5 to 10 wt% of the aerosol-forming substrate e.g. around 6 to 8 wt%.
- Fillers are known in the art and may act to strengthen the aerosol-forming substrate.
- Fillers may comprise fibrous (non-tobacco) fillers such as cellulose fibres, lignocellulose fibres (e.g. wood fibres), jute fibres and combinations thereof.
- the respective elements may be circumscribed by a single plug wrap or by a plurality of separate plug warps.
- one plug wrap may circumscribe the portion of the spacer and upstream element and a second plug wrap may circumscribe a portion of the spacer and the filter segment.
- one of the plug warps may also circumscribe the other plug wrap.
- exemplary embodiments comprising a cooling segment including a spacer tube may be combined with other exemplary embodiments singularly or in combination or the spacer tube providing an improved assembly and / or an improved mixing of the vapour when used in combination with the filter segment may be beneficial in isolation, in which case there is therefore provided an aerosol-forming device having a filter segment comprising a plurality of bores formed there through, wherein the filter segment is arranged in abutment with and downstream to a spacer tube.
- the HBF element 40 and spacer element 50 are circumscribed by the wrapping layer 61.
- the parts have a substantially equal outer diameter.
- the wrapping layer 61 is a single wrapping layer 60 that wraps at least a portion of each of the aerosol-forming substrate, the first portion 40 and the second portion 50.
- the exterior diameter of the aerosol-forming substrate 20 is substantially the same as the exterior diameter of the cooling segment 30.
- the wrapping layer circumscribes substantially the entire length of each element.
- the wrapping layer 61 is used to maintain the elements in a single unit, wherein the elements have been aligned and abutted against each other to form a generally cylindrical unit.
- the generally cylindrical unit has a central axis A.
- the cooling segment 30 therefore forms a generally cylindrical unit having a circular cross-section of generally uniform and consistent exterior shape along the length of the cooling segment 30.
- the plurality of bores may comprise more than two or more than three bores, but according to the exemplary embodiment shown in Figure 3 , the plurality of bores consists of three bores 102, 104, 106. As will be appreciated, where other number of bores are adopted, the description of the bores herein is equally applicable.
- the porosity could be selected so that the total cross-sectional area of the plurality of bores is less than 20% or less than 15% or less than 10% of the cross-sectional area of the filter segment 100, which has an area of 39.81 mm2. It is thought that by selecting the porosity of the filter element beneath the limit finds a balance between low drag resistance and the provision of a good filter. For instance, with higher porosities that would further reduce the drag resistance of the filter element 100 it is likely that debris would not be adequately filtered. Thus an additional filter tow would be needed and it is believed the drag resistance of the disclosed filter element would be lower than a combination of a filter tow and a filter element having a higher porosity.
- the plurality of bores 102, 104, 106 are spaced around a notional circle 120.
- the centres of each bore 102, 104, 106 are arranged on a notional circle 122 centred on the central axis A of the filter segment 100.
- the notional circle 122 has a radius or around 1.55mm.
- the radius of the notional circle upon which the bore centres are arranged is between 30% and 60% or between 40% and 50% and preferably around 42%-44% of the radius of the external surface of the filter segment 100.
- the plurality of bores 102, 104, 106 are equally spaced around the notional circle 122. That is, the angle subtended between each adjacent bore 102, 104, 106 is equal.
- the tortuous path generated by the airflow is thought to be created, at least in part, by the centres of the plurality of bores 102, 104, 106 being arranged outside a central region that corresponds to the maximum restriction (e.g. the narrowest portion of the airflow path) in the cooling segment 30.
- the minimum restriction in the cooling segment 30 is provided by the central bore 42 of the HBF element 40.
- the central bore of the HBF element is shown as circle 124.
- each bore 102, 104, 106 is arranged so that the centre of the bore is arranged radially outside of the central region.
- the circle 124 (and therefore the central bore 42) typically has a radius of around 1.5mm.
- Figure 3 shows the aerosol-forming article 10 inserted into a device 70.
- the device 70 is a HNB device comprising a rod-shaped heating element (not shown).
- the heating element projects into a cavity 72 within a main body 74 of the device 10.
- the airflow is drawn through the aerosol-forming article as is known in the art.
- the airflow follows a path through the central bore of the HBF portion 40 of the cooling segment 30 and then through the central bore of the spacer segment 50.
- the vapour cools within the HBF segment 40 and the cardboard spacer element 50, it condenses to form an aerosol containing the volatile compounds for inhalation by the user.
- the airflow continues and is drawn through the filter segment 100 and specifically the plurality of bores 102, 104, 106 that extend through the filter segment 100. It is believed that the arrangement of the plurality of bores 102, 104, 106 through the filter segment 100 produces an improved delivery of the aerosol to the user.
- an advantageous airflow is generated to create an improved mixing of the airflow.
- the arrangement of the plurality of bores 102, 104, 106 may create a Venturi effect in the spacer element 50 as the user inhales to generate the airflow through the article 10, wherein the Venturi effect in the airflow helps mix the nicotine and vapour to create a smooth experience.
- the filter element 100 has been found to provide good filtering of the airflow whilst providing a lower drag resistance as compared to a filter tow. It is believed the combination of high filtering and low drag resistance may be achieved by creating a tortuous airflow path from the aerosol-forming substrate 20 to downstream end of the filter segment 100.
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19220272.9A EP3845078A1 (fr) | 2019-12-31 | 2019-12-31 | Consommable de substitution du tabac |
| CN202080091066.XA CN115315202A (zh) | 2019-12-31 | 2020-12-18 | 吸烟替代消耗品 |
| KR1020227026337A KR20220129007A (ko) | 2019-12-31 | 2020-12-18 | 흡연 대체 소모품 |
| PCT/EP2020/087205 WO2021136700A1 (fr) | 2019-12-31 | 2020-12-18 | Consommable de substitution au tabac |
| EP20830215.8A EP4084634A1 (fr) | 2019-12-31 | 2020-12-18 | Consommable de substitution au tabac |
| US17/849,990 US20220322735A1 (en) | 2019-12-31 | 2022-06-27 | Smoking substitute consumable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19220272.9A EP3845078A1 (fr) | 2019-12-31 | 2019-12-31 | Consommable de substitution du tabac |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3845078A1 true EP3845078A1 (fr) | 2021-07-07 |
Family
ID=69061214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19220272.9A Ceased EP3845078A1 (fr) | 2019-12-31 | 2019-12-31 | Consommable de substitution du tabac |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP3845078A1 (fr) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140305448A1 (en) * | 2011-12-30 | 2014-10-16 | Philip Morris Products S.A. | Aerosol-generating article for use with an aerosol-generating device |
| CN107772530A (zh) * | 2016-08-24 | 2018-03-09 | 贵州中烟工业有限责任公司 | 一种改善新型卷烟口感的复合烟滤嘴及应用 |
| CN108323799A (zh) * | 2018-02-24 | 2018-07-27 | 湖北中烟工业有限责任公司 | 一种具有烟气分流功能的低温卷烟 |
| EP3494809A1 (fr) * | 2017-12-07 | 2019-06-12 | Gongqingcheng Daole Investment Management Partnership (LLP) | Filtre de cigarette heat-not-burn et cigarette heat-not-burn |
| WO2019123646A1 (fr) * | 2017-12-22 | 2019-06-27 | 日本たばこ産業株式会社 | Article à fumer, et filtre d'article à fumer |
-
2019
- 2019-12-31 EP EP19220272.9A patent/EP3845078A1/fr not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140305448A1 (en) * | 2011-12-30 | 2014-10-16 | Philip Morris Products S.A. | Aerosol-generating article for use with an aerosol-generating device |
| CN107772530A (zh) * | 2016-08-24 | 2018-03-09 | 贵州中烟工业有限责任公司 | 一种改善新型卷烟口感的复合烟滤嘴及应用 |
| EP3494809A1 (fr) * | 2017-12-07 | 2019-06-12 | Gongqingcheng Daole Investment Management Partnership (LLP) | Filtre de cigarette heat-not-burn et cigarette heat-not-burn |
| WO2019123646A1 (fr) * | 2017-12-22 | 2019-06-27 | 日本たばこ産業株式会社 | Article à fumer, et filtre d'article à fumer |
| CN108323799A (zh) * | 2018-02-24 | 2018-07-27 | 湖北中烟工业有限责任公司 | 一种具有烟气分流功能的低温卷烟 |
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