CN113329644A - Gel-aerosol-forming substrate cartridge insertable into an electrically heated smoking article, electrically heated smoking article comprising the substrate cartridge, and aerosol-generating device and system therefor - Google Patents
Gel-aerosol-forming substrate cartridge insertable into an electrically heated smoking article, electrically heated smoking article comprising the substrate cartridge, and aerosol-generating device and system therefor Download PDFInfo
- Publication number
- CN113329644A CN113329644A CN202080010593.3A CN202080010593A CN113329644A CN 113329644 A CN113329644 A CN 113329644A CN 202080010593 A CN202080010593 A CN 202080010593A CN 113329644 A CN113329644 A CN 113329644A
- Authority
- CN
- China
- Prior art keywords
- aerosol
- gel
- forming substrate
- smoking article
- substrate cartridge
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/281—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
- A24B15/167—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/285—Treatment of tobacco products or tobacco substitutes by chemical substances characterised by structural features, e.g. particle shape or size
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
- A24B15/302—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
- A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/01—Making cigarettes for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
- A24C5/1807—Forming the rod with compressing means, e.g. garniture
-
- 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
- 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
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
-
- 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
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
- A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
-
- 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
Abstract
The present invention provides a gel-aerosol-forming substrate cartridge insertable into an electrically heated smoking article, the gel-aerosol-forming substrate cartridge comprising: a gel aerosol-forming substrate comprising glycerol and gelatin, which is present in gel, semi-solid or solidified form at a first temperature range including room temperature, converts to liquid form at a second temperature range including 70 ℃ and evaporates to an aerosol at a temperature range of 150 ℃ to 400 ℃; a gel receiver for receiving a gel aerosol-forming substrate; and a wrapper wrapped around the side of the gel receiver in a cylindrical shape measuring 7mm to 20mm in length and 5mm to 8mm in diameter, the present invention also provides an electrically heated smoking article comprising: a filter; a gel aerosol-forming substrate cartridge located upstream of the filter; and a smokable filler material comprising tobacco thread located upstream of the filter and upstream or downstream of the gel aerosol-forming substrate cartridge, wherein the filter, gel aerosol-forming substrate cartridge and smokable filler material are wrapped with a wrapper to form a cigarette.
Description
Technical Field
The present invention relates to a gel aerosol-forming substrate cartridge insertable into an electrically heated smoking article, an electrically heated smoking article comprising the substrate cartridge and aerosol-generating devices and systems therefor, and more particularly to a gel aerosol-forming substrate cartridge, an electrically heated smoking article comprising the substrate cartridge and aerosol-generating devices and systems therefor, the substrate cartridge being insertable into an electrically heated smoking article comprising a tobacco substrate, the aerosol being generated by heating rather than combustion, and the substrate cartridge being operable to generate more aerosol by heating.
Background
In recent years, there has been an increasing demand for alternatives to solve the disadvantages of conventional cigarettes. For example, there is an increasing demand for methods of generating aerosols by heating aerosol generating material in a cigarette rather than burning tobacco.
In general, reconstituted tobacco pulp sheets, which are the main component of tobacco matrices, are not easy to manufacture due to their low tensile strength, and their physical properties are weak due to the large amount of humectant contained in tobacco matrices. Furthermore, the tobacco substrate contains a liquid, such as glycerol, which is sensitive to the humidity of the surrounding environment due to its hydrophilic nature, which makes it difficult to control the environment of the manufacturing process. In addition, the tobacco substrate can only contain a limited amount of liquid.
In addition to cigarettes comprising a tobacco substrate, "hybrid" cigarettes have been proposed which are capable of generating more aerosol from the liquid contained in the cartridge and allowing the user to inhale the aerosol from the liquid when smoking a cigarette. However, there are difficulties in managing the liquid contained in the cartridge (expiration date, spoilage, etc.) and contamination may occur when condensate is generated in the airflow path through which aerosol generated by the cartridge moves.
This requires supplying a liquid to an electrically heated smoking article which is disposed of after a single use and generating an aerosol from the liquid.
Disclosure of Invention
It is an object of the present invention to address the problems arising in the prior art and to provide a gel aerosol-forming substrate cartridge that can be inserted into an electrically heated smoking article, an electrically heated smoking article comprising the substrate cartridge, and a gel aerosol-generating device and system therefor.
In view of this, the present invention provides a gel-aerosol-forming substrate cartridge insertable into an electrically heated smoking article, the gel-aerosol-forming substrate cartridge comprising: a gel aerosol-forming substrate comprising glycerol and gelatin, which is present in gel, semi-solid or solidified form at a first temperature range including room temperature, converts to liquid form at a second temperature range including 70 ℃, and evaporates to an aerosol at a temperature range of 150 ℃ to 400 ℃; a gel receiver for receiving a gel aerosol-forming substrate; and a packing paper wrapped around the side of the gel receiver in a cylindrical shape of 7mm to 20mm long and 5mm to 8mm in diameter.
The present invention also provides an electrically heated smoking article, the article comprising: a filter; a gel-aerosol-forming substrate cartridge as described above located upstream of the filter; a tobacco filler comprising tobacco filler located upstream of the filter and upstream or downstream of the gel aerosol-forming substrate capsule, wherein the filter, gel aerosol-forming substrate capsule and tobacco filler are wrapped with a wrapper to form a cigarette.
The present invention also provides an aerosol-generating device for an electrically heated smoking article as described above, the device being of a grippable and portable size, the aerosol-generating device comprising: a cavity in the device into which a smoking article is insertable; at least one of an electrical resistance heater and an induction heater disposed in the apparatus, which is capable of heating the interior or exterior of the gel aerosol-forming substrate cartridge and smokable filler material of the smoking article; a rechargeable battery provided in the device for use as a direct current power supply; and a control unit provided in the device for controlling the heater by receiving the direct current from the battery.
The present invention also provides an aerosol-generating system comprising: the electrically heated smoking article described above; and an aerosol-generating device comprising: a cavity into which the smoking article is insertable; at least one of an electrical resistance heater and an induction heater capable of heating the interior or exterior of a gel aerosol-forming substrate cartridge and smokable filler material of a smoking article; a rechargeable battery for use as a dc power source; and a control unit for controlling the heater by receiving direct current from the battery, all of which are provided in the apparatus, wherein an aerosol is generated within the electrically heated smoking article by inserting the smoking article into the cavity and electrically heating the gel aerosol-forming substrate cartridge and the smokable filler material of the electrically heated smoking article.
According to an aspect of the invention, there is provided a gel-aerosol-forming substrate cartridge insertable into an electrically heated smoking article, the gel-aerosol-forming substrate cartridge comprising: a gel aerosol-forming substrate comprising glycerol and gelatin, which is present in gel, semi-solid or solidified form at a first temperature range including room temperature, converts to liquid form at a second temperature range including 70 ℃ and evaporates to an aerosol at a temperature range of 150 ℃ to 400 ℃; a gel receiver for receiving a gel aerosol-forming substrate; and a packing paper wrapped around the side of the gel receiver in a cylindrical shape of 7mm to 20mm long and 5mm to 8mm in diameter.
The gel aerosol-forming substrate may additionally comprise one or more of water, agar, thickeners, starch powder, cellulose, carboxymethyl ether, natural flavourants and fruit extracts.
Preferably, the glycerol content of the gel aerosol-forming substrate may be equal to or greater than 50 wt%.
The gel aerosol-forming substrate may comprise a liquid composition consisting of 80 to 100 wt% of glycerol VG and 0 to 20 wt% of glycerol PG, wherein 1g to 6g of gelatin may be contained in 100ml of a mixture of 60 to 80 vol% of the liquid composition and 20 to 40 vol% of water, and flavouring agents may optionally be added in an amount of 10% or less of the total weight of the liquid composition.
The gel receiver may comprise the liquid composition in an amount of 70mg to 120 mg.
Preferably, the gel aerosol-forming substrate cartridge is insertable into the gel receiver in liquid form in the second temperature range and is present in gel form, semi-solid form or solidified form in the first temperature range.
The gel receiver may be formed by crumpling or winding a strip made of melamine-based foam resin having a thickness of 2mm to 3mm into a cylindrical shape or by forming melamine-based foamThe resin is processed into a cylindrical shape and optionally has a weight per unit volume of 0.01mg/mm3To 0.013mg/mm3。
The gel receiver may be made by crumpling, folding or winding pulp or a fabric containing pulp into a cylindrical shape or by processing it into a cylindrical shape, and optionally has a weight per unit volume of 0.25mg/mm3To 0.4mg/mm3。
The gel receiver may be made by crumpling or winding a cotton fabric or a non-woven fabric into a cylindrical shape or by processing it into a cylindrical shape, and optionally has a weight per unit volume of 0.2mg/mm3To 0.35mg/mm3。
The gel receiver may be made by crumpling or winding a bamboo fiber fabric or nonwoven into a cylindrical shape or by processing it into a cylindrical shape, and optionally has a weight per unit volume of 0.15mg/mm3To 0.25mg/mm3。
Preferably, the liquid composition consisting of 80 to 100 wt% glycerol VG and 0 to 20 wt% glycerol PG may be at 0.13mg/mm per unit volume of the gel receiver3To 0.32mg/mm3Is present in the gel receiver.
The packing paper may be made by attaching an aluminum foil to the paper, and wrapped in a cylindrical shape such that the aluminum foil is in contact with the gel receiving body.
According to another aspect of the present invention, there is provided an electrically heated smoking article comprising: a filter; a gel-aerosol-forming substrate cartridge as described above located upstream of the filter; and a tobacco filler comprising tobacco filler located upstream of the filter and upstream or downstream of the gel aerosol-forming substrate capsule, wherein the filter, gel aerosol-forming substrate capsule and tobacco filler are wrapped with a wrapper to form a cigarette.
Preferably, the tubular body may be provided immediately upstream of the filter.
According to a further aspect of the present invention there is provided an aerosol-generating device for an electrically heated smoking article as described above, the device being of a grippable and portable size, the aerosol-generating device comprising: a cavity in the device into which a smoking article is insertable; at least one of an electrical resistance heater and an induction heater disposed in the apparatus, which is capable of heating the interior or exterior of the gel aerosol-forming substrate cartridge and smokable filler material of the smoking article; a rechargeable battery provided in the device for use as a direct current power supply; and a control unit provided in the device for controlling the heater by receiving the direct current from the battery.
The electrical resistance heater may be a tube heater for heating the exterior of the smoking article or an invasive heater inserted into the smoking article to heat the interior, wherein the tube heater may heat the gel aerosol-forming substrate cartridge and/or the smokable filler material, the invasive heater being insertable into the smokable filler material and heating the interior of the smokable filler material.
The aerosol-generating device may further comprise a temperature sensor arranged in the device to sense the temperature of the heater, wherein the control unit controls the resistive heater in dependence of a sensed value from the temperature sensor.
The induction heater may be a heat pipe made of a susceptor material which heats the exterior of the smoking article and which is heated by an excitation coil provided separately in the device, or a heater blade made of a susceptor material which is inserted into the smoking article to heat the interior of the smoking article, wherein the heat pipe can heat the gel aerosol-forming substrate cartridge and/or the smokable filler material, the heater blade being insertable into the smokable filler material and heating the interior of the smokable filler material.
The aerosol-generating device may further comprise a temperature acquisition unit arranged in the device to acquire the temperature of the induction heater, wherein the control unit controls the current applied to the excitation coil based on input from the temperature acquisition unit.
According to a further aspect of the invention, there is provided an aerosol-generating system comprising: the electrically heated smoking article described above; and an aerosol-generating device comprising: a cavity into which a smoking article is insertable; at least one of an electrical resistance heater and an induction heater capable of heating the interior or exterior of a gel aerosol-forming substrate cartridge and smokable filler material of a smoking article; a rechargeable battery for use as a dc power source; and a control unit for controlling the heater by receiving direct current from the battery, all of which are provided in the apparatus, wherein an aerosol is generated within the electrically heated smoking article by inserting the smoking article into the cavity and electrically heating the gel aerosol-forming substrate cartridge and the smokable filler material of the electrically heated smoking article.
According to the present invention, the problems occurring in the prior art are solved by providing a gel aerosol-forming substrate cartridge into which an electrically heated smoking article can be inserted and an electrically heated smoking article comprising the substrate cartridge, when a user inhales both an aerosol from the gel aerosol-forming substrate and an aerosol from the tobacco substrate.
Drawings
Figure 1 conceptually illustrates a partially exploded perspective view and a cross-sectional view of an electrically heated smoking article according to a preferred embodiment of the present invention.
Figure 2 conceptually illustrates the construction of the components of the smoking article of figure 1 and the wrapper that wraps them.
Fig. 3 is a conceptual diagram illustrating a process of manufacturing a gel-receiver rod in order to obtain the gel-receiver of fig. 2.
Figure 4 conceptually illustrates a process of cutting the gel receiver rod of figure 3 to produce a gel aerosol-forming substrate cartridge according to the invention.
Figures 5 to 12 are conceptual diagrams presented below illustrating various embodiments of aerosol-generating devices for generating an aerosol from an electrically heated smoking article according to the invention:
figure 5 schematically shows a cross-section of an aerosol-generating device in combination with a tubular electric resistance heater and an invasive electric resistance heater according to a first embodiment in which an electrically heated smoking article is applied;
figure 6 schematically shows a cross-section of an aerosol-generating device having a one-piece, tubular, electrical resistance heater according to a second embodiment in which an electrically heated smoking article is applied;
figure 7 schematically shows a cross-section of an aerosol-generating device having a two-piece tubular resistance heater according to a third embodiment in which an electrically heated smoking article is applied;
figure 8 schematically shows a cross-section of an aerosol-generating device in combination with a tubular electric resistance heater and an invasive electric resistance heater according to a fourth embodiment of electrically heated smoking articles according to a different application to the first embodiment;
figure 9 schematically shows a cross-section of an aerosol-generating device having a heat pipe of susceptor material and a heating blade of susceptor material heated by induction heating according to a fifth embodiment applying electrically heated smoking articles;
figure 10 schematically shows a cross-section of an aerosol-generating device having a heat pipe of susceptor material and a heating blade of susceptor material heated by induction heating according to a sixth embodiment of applying electrically heated smoking articles;
figure 11 schematically shows a cross-section of an aerosol-generating device having a one-piece heat pipe made of susceptor material heated by induction heating according to a seventh embodiment applying electrically heated smoking articles; and
figure 12 schematically shows a cross-section of an aerosol-generating device having a two-piece heat pipe made of susceptor material heated by induction heating according to an eighth embodiment applying electrically heated smoking articles.
Detailed Description
Certain embodiments will now be shown in the drawings and described in detail in the specification, although various changes and modifications can be made. The features and advantages of the present invention, and the manner of attaining them, will become more apparent by reference to the following description of embodiments of the invention taken in conjunction with the accompanying drawings. This invention may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used herein, specify the presence of stated features or components, but do not preclude the presence or addition of one or more other features or components.
In the following embodiments, the terms "upstream" and "downstream" are used to describe the relative position of a section of a smoking article with respect to the direction in which a user draws air through the smoking article. The smoking article comprises an upstream end through which air enters and an opposite downstream end through which air exits. In use, a user draws on the downstream end of the smoking article and draws air through the upstream end of the smoking article, through the interior of the smoking article, and out to the downstream end. The downstream end is downstream of the upstream end. The term "end" may also be described as the "endmost end".
The figures are not necessarily to scale; certain features may be exaggerated or minimized to show details of particular components. The present invention is not limited thereto since the size and thickness of each structure shown in the drawings are arbitrarily illustrated for better understanding and ease of description.
Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement the present invention. However, the invention may be implemented in various different ways and is not limited to the described embodiments.
A gel aerosol-forming substrate cartridge into which an electrically heated smoking article may be inserted for generating an aerosol by heating and an electrically heated smoking article comprising the gel aerosol-forming substrate cartridge according to preferred embodiments of the present invention will now be described with reference to the accompanying drawings. For ease of explanation, the components of the electrically heated smoking article will be described separately, together with a description of the gel aerosol-forming substrate cartridge included therein. Here, electrically heated smoking articles are intended to indicate smoking articles that are heated by resistive or inductive heating, rather than by combustion, to produce an aerosol for inhalation by a user. The smoking article contains an appropriate amount of aerosol-forming substrate and/or tobacco to inhale an equivalent amount of smoke as a conventional cigarette. The smoking article does not generate an aerosol after a predetermined amount of aerosol has been generated and will be discarded after a single use by the user.
The electrically heated smoking article according to the invention comprises as an aerosol-forming substrate a gel aerosol-forming substrate comprising a typical tobacco thread and a liquid composition (e.g. glycerin), which will be described below. An electrically heated smoking article 50 according to a preferred embodiment of the invention has a laminate structure consisting of a smokable filler material 58 (containing tobacco as an aerosol-forming substrate) at an upstream end, a gel aerosol-forming substrate cartridge 56 (containing a liquid composition as another aerosol-forming substrate) directly downstream thereof, a paper tube 54 (providing an aerosol channel) directly downstream thereof and a filter 52 serving as a mouthpiece, all of which are wrapped in a wrapper 60. The relative positions of the gel aerosol-forming substrate cartridge 56 of the liquid composition and the tobacco filler 58 of the tobacco cut filler may be reversed.
The gel aerosol-forming substrate cartridge according to the invention comprises: a gel aerosol-forming substrate comprising glycerol and gelatin, which is present in gel, semi-solid or solidified form at a first temperature range, including room temperature (e.g. a temperature range below 50 ℃), which is converted to liquid form at a second temperature range, including 70 ℃ (e.g. a temperature range of 50 ℃ to 100 ℃), and which evaporates to an aerosol at a temperature range of 150 ℃ to 400 ℃; a gel receiver 56a for receiving a gel aerosol-forming substrate; and a packing paper 61 wrapped around the side of the gel receiving body 56a in a cylindrical shape having a length of 7mm to 20mm and a diameter of 5mm to 8 mm. A cylindrical shape measuring 7mm to 20mm in length and 5mm to 8mm in diameter meets the standards for a conventional cigarette or an electrically heated smoking article currently in use. When the standard gel aerosol-forming substrate cartridge 56 described above is inserted into an electrically heated smoking article 50 and wrapped with a separate wrapper 60, the user will not see a distinction from a normal cigarette and an electrically heated smoking article.
As shredded tobacco 58a does not retain its shape by itself, it is wrapped in a separate sheet of wrapper 62 to form smokable filler material 58. In addition, tobacco shred 58a is prepared in the same size (diameter) as gel aerosol-forming substrate cartridge 56, and the aforementioned filter 52, paper tube 54, gel aerosol-forming substrate cartridge 56, and tobacco filler 58 are wrapped in a wrapper 60, thereby obtaining the electrically heated smoking article 50 shown in fig. 1.
In particular, the gel aerosol-forming substrate is a mixture of glycerol and gelatin. For example, a mixture of glycerol and gelatin and/or water may be obtained as follows: stirring glycerin PG (propylene glycol) or VG (vegetable glycerin) or a mixture of PG and VG for 30 minutes while heating to reduce viscosity, adding 10 to 50 wt% of gelatin and/or water as a gelling additive, and stirring until the additive is dissolved in glycerin. The mixture remains in a gel form, a semi-solid form, or a solidified form within a first temperature range (e.g., a temperature range below 50 ℃) including room temperature, transitions to and exists in a liquid form within a second temperature range (e.g., a temperature range of 50 ℃ to 100 ℃) including 70 ℃ upon heating, and generates an aerosol at a temperature above about 150 ℃ upon further heating.
The above gel aerosol-forming substrate may additionally comprise one or more of water, agar, thickeners, starch powder, cellulose, carboxymethyl ether, natural flavourants and fruit extracts. Preferably, the glycerol content of the gel aerosol-forming substrate is equal to or greater than 50 wt%. If water is present, the water may soften the gelatin, thereby reducing the time required to form the gel aerosol-forming substrate mixture. The mixture may additionally contain agar, which is also advantageous when forming a gel aerosol-forming substrate mixture. In addition, the gel aerosol-forming substrate mixture may comprise a thickener, starch powder, cellulose and carboxymethyl ether as additives. The gel aerosol-forming substrate mixture may additionally contain a natural food flavour or fruit extract. This allows various tastes to be provided to the user by the generated aerosol. In any case, the amount of glycerin in the gel aerosol-forming substrate mixture is preferably equal to or greater than 50% by weight, which allows for the minimization of the burning taste of the generated aerosol. Furthermore, the gel aerosol-forming substrate mixture may or may not contain nicotine.
Here, the gel aerosol-forming substrate comprises a liquid composition consisting of 80 to 100 wt% of glycerol VG and 0 to 20 wt% of glycerol PG, wherein 1g to 6g of gelatin is contained in 100ml of a mixture of 60 to 80 vol% of the liquid composition and 20 to 40 vol% of water, and optionally a flavouring agent is added in an amount of 10% or less of the total weight of the liquid composition. Preferably, the gel receiver comprises the liquid composition in an amount of from 70mg to 120 mg. The numerical range also represents the amount of liquid composition that provides an aerosol from the liquid composition when a user inhales the aerosol of smokable filler 58 for electrically heating the tobacco filler in a single cigarette rod of a smoking article. If the amount of liquid composition contained in the gel receiver 56a as a gel aerosol-forming substrate is less than the above-mentioned lower limit (70mg), the amount of aerosol from the liquid composition will be insufficient when the user inhales the aerosol of the smokable filler material 58 of the tobacco cut filler in the electrically heated smoking article. Thus, the amount of liquid composition contained in the gel aerosol-forming substrate cartridge 56 should be equal to or greater than the above-mentioned lower limit (70 mg). If the amount of liquid composition contained in the gel receiver 56a exceeds the above-mentioned upper limit (120mg), the volume of the gel aerosol-forming substrate (i.e. the mixture) may become too large, making it difficult for the gel receiver in the above-mentioned standard gel aerosol-forming substrate cartridge 56 to hold the liquid composition. Thus, the amount of liquid composition contained in the gel aerosol-forming substrate cartridge should be equal to or less than the above-mentioned upper limit (120 mg). Desirably in the range of 80mg to 110mg, more desirably in the range of 90mg to 105 mg.
It is a further feature of the present invention that the gel-forming aerosol-forming substrate may be present in a liquid state during manufacture, as described hereinafter, and that the gel-receiving body 56a in the standard gel-forming substrate kit described above has sufficient absorbency to retain a liquid composition having the above-described compositional range in the gel-aerosol-forming substrate kit, even when in liquid form. That is, the liquid composition remains absorbed in the gel receiver 56a in the gel aerosol-forming substrate cartridge without flowing out of the gel aerosol-forming substrate cartridge. Here, absorption means that the gel receiver is saturated with the liquid composition that does not flow out. As described below, the filter 52, paper tube 54, gel aerosol-forming substrate cartridge 56 and tobacco plug 58 are wrapped in a wrapper 60 to form the electrically heated smoking article 50, wherein the gel aerosol-forming substrate is caused to formThe cartridge 56 is in direct contact with the smokable filler material 58, the paper tube 54 or the filter 52 without having a separate component upstream or downstream, and the liquid composition absorbed by the gel receiver 56a in the gel aerosol-forming substrate cartridge 56 is stored in the gel receiver 56a, but does not flow to the smokable filler material 58, the paper tube 54 or the filter 52. For this reason, the amount of the liquid composition absorbed by the gel receiver 56a is preferably 0.13mg/mm per unit volume of the gel receiver 56a3To 0.32mg/mm3. The reason why this numerical limitation is set is similar to the reason why the numerical limitation is set for the amount of the liquid composition absorbed by the gel receiving body 56a of the present invention. That is, if the amount of the liquid composition absorbed by the gel receiver 56a is insufficient, that is, less than the above-mentioned lower limit (0.13 mg/mm)3) Then when the user inhales an aerosol of tobacco cut filler in the electrically heated smoking article 50, the amount of aerosol from the liquid composition will be insufficient. Thus, the amount of liquid composition absorbed by the gel aerosol-forming substrate cartridge should be equal to or greater than the lower limit (0.13 mg/mm)3). If the amount of the liquid composition absorbed by the gel receiver 56a exceeds the above upper limit (0.32 mg/mm)3) It is then difficult to retain the liquid composition in the gel receiver in the standard gel aerosol-forming substrate cartridge described above, resulting in the liquid composition flowing out of the gel aerosol-forming substrate cartridge 56.
As used herein, the term "gel aerosol-forming substrate cartridge" refers to a cartridge 56 containing a gel aerosol-forming substrate which is present in gel form at room temperature, becomes liquid in form over a temperature range including 70 ℃ (e.g. 50 ℃ to 100 ℃), and evaporates into an aerosol over a temperature range of, for example, 150 ℃ to 350 ℃ on further heating. For example, a gel aerosol-forming substrate is a gel mixture composed of a liquid composition, such as glycerol VG (and optionally glycerol PG), gelatin and water, which is present in gel form at a first temperature, including room temperature, and which changes to liquid form at a second temperature range, including 70 ℃. The gel aerosol-forming substrate becomes liquid form when heated by inductive or resistive heating by a separate aerosol-generating device, and the liquid composition generates an aerosol on further heating. According to a preferred embodiment of the invention the liquid composition is 100 wt% glycerol VG, according to another preferred embodiment the liquid composition is 80 wt% glycerol VG and 20 wt% glycerol PG.
According to another preferred embodiment, the gel mixture of glycerol and gelatin and/or water is obtained as follows: the above liquid composition was stirred for 30 minutes while heating to reduce viscosity, and gelatin and/or water was added as a gelling additive, and stirred until the additive was dissolved in glycerin. In this case, 1g to 6g of gelatin are contained in 100ml of a mixture of 60% to 80% by volume of the liquid composition and 20% to 40% by volume of water.
According to yet another preferred embodiment, 1g, 1.5g and 2g of gelatin are soaked and swollen in 10ml of cold water, respectively, mixed with and dissolved in 50ml of a liquid composition of 80 wt% glycerol VG and 20 wt% glycerol PG, and then left at room temperature for 6 hours or more. The gel was smooth even at room temperature and the gel was more smooth as the amount of gelatin increased. When the amount of gelatin is between 1g and 1.5g, the viscosity increases and the degree of gelation is low.
According to another preferred embodiment, the gel aerosol-forming substrate is obtained by soaking and swelling 5g of gelatin in 50ml of cold water for 30 minutes, adding 100ml of a liquid composition of 80 wt% glycerol VG and 20 wt% glycerol PG, and heating the mixture at 75 ℃ with stirring for 90 minutes.
The gel aerosol-forming substrate is present in gel form in a first temperature range (below about 50 ℃) including room temperature, converts to and is present in liquid form in a second temperature range (50 ℃ to 100 ℃) including 70 ℃ upon heating, and generates an aerosol at a temperature above about 120 ℃ upon further heating. As will be described later, during the manufacturing process, the gel aerosol-forming substrate is liquefied by heating in the second temperature range so as to be injected into the gel receiver 56a, and the liquid is sprayed into the gel receiver 56a or injected therein by a needle or the like so as to be absorbed into the gel receiver 56 a. Subsequently, the liquid is kept at a low temperature (e.g., about 4 ℃) for 5 to 10 minutes or at room temperature for 1 hour or more, whereby the liquid absorbed in the gel receiving body 56a is converted into a gel form and exists in the gel receiving body 56a in the form of fine particles distributed on the surface, pores, network, and the like.
At the same time, the liquid composition does not flow out of the gel receiver, since the gel receiver provides sufficient absorption of the liquid composition of the liquefied aerosol-forming substrate. Preferably, the gel aerosol-forming substrate also contains water, although it contains glycerol and gelatin as the major components, as previously described. If water is present, the water may soften the gelatin, thereby reducing the time required to form the gel aerosol-forming substrate. The gel aerosol-forming substrate may additionally comprise agar, which is also an advantage when forming a gel. In addition, the gel aerosol-forming substrate may comprise a thickener, starch powder, cellulose and carboxymethyl ether as additives. The gel aerosol-forming substrate may additionally contain a natural food flavour or a fruit extract. This allows various tastes to be provided to the user by the generated aerosol. In any case, the amount of glycerin in the gel aerosol-forming substrate is preferably equal to or greater than 50% by weight, which allows for the maximum reduction of the burning taste of the generated aerosol.
As previously mentioned, the liquid composition comprises from 80 to 100 wt% of glycerol VG and from 0 to 20 wt% of glycerol PG, and further comprises a flavoring agent added in an amount of 10% or less by total weight of the resulting liquid composition. According to a preferred embodiment, the invention uses a liquid composition consisting of 100% by weight of glycerol VG. According to another preferred embodiment, the invention uses a liquid composition consisting of 80% by weight of glycerol VG and 20% by weight of glycerol PG. According to yet another preferred embodiment, the present invention further comprises a flavoring agent added in an amount of 10% or less by total weight of the liquid composition obtained by coating. For example, flavoring agents may include licorice, sucrose, fructose syrup, isosweet, cocoa, lavender, cinnamon, cardamom, celery, corium amarum, fenugreek, corium amarum, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil, peppermint oil, caraway, cognac, jasmine, chamomile, menthol, ylang-ylang, salvia, spearmint, ginger, coriander, coffee, or the like. Additionally, the liquid mixture may or may not contain nicotine.
The gel receiver 56a may be made of various materials in accordance with the present invention. Although fig. 1 and 2 illustrate that the gel receiving body 56a is formed in a roll shape, this is for convenience of description only, and the configuration of the gel receiving body 56a is not limited thereto. Various types of gel receivers 56a may be considered as follows. Basically, the gel receiver rod 57 can be obtained as follows: the gel receiver 56a is crumpled or rolled, inserted into one side of the tube structure 40 shown in fig. 3, extruded through the other side into a shape with a narrower cross-section, and wrapped in a wrapper 61. Prior to insertion of the gel receiver 56a into the tube structure 40, the liquefied gel aerosol-forming substrate is absorbed into the gel receiver 56a by a liquid injection portion, such as a needle. As the gel receiver 56a passes through the tube structure 40 it is wetted or soaked by the liquefied gel aerosol-forming substrate and immediately thereafter wrapped with a wrapper 61 on the other side of the tube structure 40 and cut to a suitable length, for example 80mm to 140mm, to form a gel receiver rod 57. That is, the gel aerosol-forming substrate mixture is liquefied by heating in a second temperature range, including 70 ℃, injected into the gel receiver 56a through the injection portion (e.g. needle), and absorbed into the gel receiver 56 a. The gel receiver 56a may undergo a suitable cooling process before being cut to form the gel receiver rod 57, or may be cut and then held at room temperature for a suitable time, for example 1 hour, or at a low temperature, for example 4 ℃, for 5 to 10 minutes, as it is capable of sufficiently absorbing the liquefied gel aerosol-forming substrate. In this way, the gel aerosol-forming substrate in liquid form inserted into the gel-receiving body 56a is converted to a gel, thereby preventing or minimising the flow of liquid composition out of the gel-receiving body 56a during subsequent operations (e.g. cutting to form a cartridge or wrapping to form a smoking article). That is, the gel acceptor rod 57 may be in the form of a gel receptor 56a (wetted with the gel aerosol-forming substrate in liquid form and wrapped in a wrapper 61), or the gel receptor rod 57 may be wrapped in the wrapper 61 with the gel aerosol-forming substrate being present in the gel receptor 56a in gel form by virtue of a suitable cooling structure provided in the tube structure. Alternatively, as previously described, the gel receiver rod 57 may hold a mixture in the form of a gel comprising an aerosol-forming substrate inserted into the gel receiver, provided that it is held for a predetermined amount of time within a first temperature range including room temperature, and may be cut to a size suitable for an individual smoking article 50, as described later.
The structure is a general process of the existing cigarette production line, and has the advantages of utilizing the existing cigarette production process and equipment. That is, the same process described above applies to conventional manufacture of filters, paper tubes, and cut tobacco, and the cartridges 56 may be produced using currently used equipment and processes.
The gel aerosol-forming substrate may be easily absorbed into a gel receiver (to be described later) as it is inserted in liquid form into the gel receiver over a second temperature range (e.g. 50 ℃ to 100 ℃) including 70 ℃ and may be present in gel form in the spaces between the surfaces, pores and networks present in the gel receiver over a first temperature range (e.g. below 50 ℃) including room temperature. Thus, as long as the gel aerosol-forming substrate cartridge is maintained within a first temperature range, including room temperature, there is no or little possibility of liquid composition contained in the gel aerosol-forming substrate flowing or leaking out of the gel aerosol-forming substrate cartridge.
According to a preferred embodiment, the gel receiver of the present invention is manufactured by crumpling or winding a strip made of melamine-based foam resin having a thickness of 2mm to 3mm and inserting it into the above tube structure 40 to form a cylindrical shape. According to another preferred embodiment, the gel receiving body of the present invention is manufactured by processing the melamine-based foam resin into a cylindrical shape and inserting and pressing it into the above-mentioned tube structure 40, and more preferably, the gel receiving body made of the melamine-based foam resin has a weight per unit volume of 0.01mg/mm3To 0.013mg/mm3. According to the test results of an electrically heated smoking article comprising a gel aerosol-forming substrate cartridge corresponding to 100mg of the liquid composition, during the test the liquid composition remains absorbed in the gel receiver without flowing out, and even if mixed with an existing or absorbed formCompared to existing liquid compositions, a much greater amount of aerosol is observed than in existing heated cigarettes, and a sufficient amount of aerosol from the liquid composition is observed.
According to another preferred embodiment, the gel receiving body of the present invention is manufactured by crumpling, folding or winding pulp or a pulp-containing fabric and inserting it into the above-mentioned tube structure 40 to form a cylindrical shape, or by processing it into a cylindrical shape and inserting and pressing it into the above-mentioned tube structure 40, and more preferably, the gel receiving body made of pulp or a pulp-containing fabric has a weight per unit volume of 0.25mg/mm3To 0.4mg/mm3. According to the test results of an electrically heated smoking article comprising a gel aerosol-forming substrate cartridge corresponding to 100mg of the liquid composition, during the test the liquid composition remains absorbed in the gel receiver without flowing out, and even compared to existing liquid compositions of the prior art mixed or absorbed, a much larger amount of aerosol is observed than in existing heated cigarettes, and a sufficient amount of aerosol from the liquid composition is observed.
According to still another preferred embodiment of the present invention, the gel receiver of the present invention is manufactured by crumpling or winding a cotton fabric or non-woven fabric and inserting it into the above-mentioned tube structure 40 to form a cylindrical shape, or by processing it into a cylindrical shape and inserting and pressing it into the above-mentioned tube structure 40, and more preferably, the gel receiver made of the cotton fabric or non-woven fabric has a weight per unit volume of 0.2mg/mm3To 0.35mg/mm3. According to the test results of an electrically heated smoking article comprising a gel aerosol-forming substrate cartridge corresponding to 100mg of the liquid composition, during the test the liquid composition remains absorbed in the gel receiver without flowing out, and even compared to existing liquid compositions of the prior art mixed or absorbed, a much larger amount of aerosol is observed than in existing heated cigarettes, and a sufficient amount of aerosol from the liquid composition is observed.
According to still another preferred embodiment of the present invention, the gel receiver of the present invention is obtained by weaving or non-weaving bamboo fiberThe object is crumpled or wound and inserted into the tube structure 40 to form a cylindrical shape, or is manufactured by processing it into a cylindrical shape and inserting and pressing it into the tube structure 40, and more preferably, the weight per unit volume of the gel receiving body made of the bamboo fiber fabric or the nonwoven is 0.15mg/mm3To 0.25mg/mm3. According to the test results of an electrically heated smoking article comprising a gel aerosol-forming substrate cartridge corresponding to 100mg of the liquid composition, during the test the liquid composition remains absorbed in the gel receiver without flowing out, and even compared to existing liquid compositions of the prior art mixed or absorbed, a much larger amount of aerosol is observed than in existing heated cigarettes, and a sufficient amount of aerosol from the liquid composition is observed.
According to a preferred embodiment, the wrapper 61 forming the gel aerosol-forming substrate cartridge 56 may be in the form of a laminated paper made by attaching an aluminium foil to the paper, and wrapped in a cylindrical shape such that the aluminium foil is in contact with the gel receiver 56 a. Thus, the aluminium foil may eliminate or minimise the possibility that gel aerosol-forming substrate in liquid form wetting the gel receptor 56a may flow out through the sides of the gel aerosol-forming substrate cassette 56. That is, as can be seen from the construction of the gel-aerosol-forming substrate cartridge shown in figures 1 and 2, the gel-receiver 56a is wrapped in a single sheet of wrapper 61, which is then wrapped in the wrapper 60 used to form the smoking article. In this case, the packing paper 61 may be in the form of paper to which an aluminum foil is attached, and it is desirable to wrap the gel receiver 56a in a cylindrical shape such that the aluminum foil is in contact with the gel receiver 56 a.
The tobacco filler 58 may comprise tobacco-based solid materials such as reconstituted tobacco sheets and cut filler. In one embodiment, the tobacco filler 58 may fill the corrugated reconstituted tobacco sheet. The reconstituted tobacco sheet can have corrugations because it is substantially horizontally wound, folded, compressed, or shrunk about the axis of the cylinder. Porosity can be determined by adjusting the spacing between the corrugations of the reconstituted tobacco sheet.
In another embodiment, tobacco filler 58 may be filled with tobacco cut filler. Here, the cut tobacco may be formed by finely cutting a tobacco sheet (or reconstituted tobacco pulp sheet). In addition, the smokable filler 58 may be formed by combining multiple strands of tobacco together in the same direction (parallel) or randomly. In particular, the smokable filler 58 may be formed by combining multiple strands of tobacco together and may have a plurality of longitudinal channels capable of passing an aerosol therethrough. The longitudinal channels may be regular or irregular, depending on the size and arrangement of the strands of tobacco.
The smokable filler material 58 may additionally comprise at least one of ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol and oleyl alcohol. The tobacco filler may further comprise glycerin and propylene glycol.
In addition, the tobacco filler 58 may include other additives such as flavorants and/or organic acids. Examples of flavoring agents may include licorice, sucrose, fructose syrup, isosweet, cocoa, lavender, cinnamon, cardamom, celery, corium amarum, fenugreek, corium amarum, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil, peppermint oil, caraway, cognac, jasmine, chamomile, menthol, ylang-ylang, salvia, spearmint, ginger, coriander, coffee, and the like. Meanwhile, the tobacco substrate receiving portions 11a and 11b may partially contain glycerin or propylene glycol.
In some cases, the electrically heated smoking article may be manufactured in such a way that the liquid composition contains nicotine without tobacco filler using cut tobacco, and the tube and filter are laminated in turn to a gel aerosol-forming substrate cartridge and wrapped with a wrapper.
As shown in fig. 1 and 2, an electrically heated smoking article 50 according to the present invention may comprise a paper tube 54 for providing an aerosol passage, wherein PLA may be inserted into the tube to reduce the temperature of the aerosol to prevent burning of the user when inhaling the aerosol. The paper tube 54 may also be wrapped with a separate piece of wrapping paper (not shown). In this case, as the packing paper of the paper tube 54, plain paper is sufficient.
As shown in fig. 1 and 2, the filter 52 functions as a mouthpiece, allowing aerosol to pass therethrough and preventing liquid from flowing in. As mentioned above, the gel aerosol-forming substrate in the gel receiver 56a remains in gel form or the like within the gel receiver 56a over a first temperature range, including room temperature, but in abnormal circumstances, for example when the environment in which the smoking article is stored reaches a second temperature range, or when excessive external forces are applied to the gel aerosol-forming substrate cartridge 56 alone in that environment, the liquid composition may partially flow out, in which case the filter serves to prevent liquid flow in (the paper tube may perform a similar function). The filter may be made of cylindrical or tubular pulp. In another aspect, the filter may contain a flavoring component to increase user satisfaction. Examples of flavoring ingredients may include licorice, sucrose, fructose syrup, isosweet, cocoa, lavender, cinnamon, cardamom, celery, corium amarum, fenugreek, corium amarum, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil, peppermint oil, caraway, cognac, jasmine, chamomile, menthol, ylang-ylang, salvia, spearmint, ginger, coriander, coffee, or the like.
Basically, the gel aerosol-forming substrate cartridge 56 described above may be manufactured by employing the same process and equipment for adding flavouring ingredients to the filter 52. In this case, mass production and quality control will not be very difficult due to the use of existing processes and equipment.
The electrically heated smoking article 50 is typically wrapped with a multi-layer wrapper 60, 61 and 62, for example a first wrapper 62 wrapping the gel aerosol-forming substrate cartridge, a second wrapper 62 wrapping the gel aerosol-forming substrate cartridge with tobacco filler of the tobacco thread all upstream or downstream of the first wrapper 61, a third wrapper (not shown) wrapping the gel aerosol-forming substrate cartridge, tobacco filler of the tobacco thread and the tube all around, and a fourth wrapper 60 wrapping all the parts of the electrically heated smoking article. In this way, electrically heated smoking articles may be obtained through multiple stages of packaging. In some cases, the process of forming the gel aerosol-forming substrate cartridge may be carried out alone or by a continuous line.
Alternatively, to reduce manufacturing time and cost, a wrapper of different material or thickness may be added to the inside of the outermost wrapper that wraps all portions of the electrically heated smoking article to fully wrap it.
As shown in figures 1 and 2, in a gel-aerosol-forming substrate cartridge 56 according to one embodiment of the invention, a gel-receiving body 56a (in which a gel-aerosol-forming substrate containing a liquid composition is received) is wrapped in a wrapper 61 which serves as an outer shell. In addition, the paper tube 54 and filter 52 are stacked in series at the downstream end of the gel aerosol-forming substrate cartridge 56. The filter and tube together with the gel aerosol-forming substrate cartridge are wrapped in a wrapper 60.
The gel aerosol-forming substrate in the gel aerosol-forming substrate cartridge 56 remains in gel form or the like in the gel receiver in the gel aerosol-forming substrate cartridge 56 within the first temperature range, and the liquid composition contained in the gel aerosol-forming substrate does not flow out of the gel aerosol-forming substrate cartridge 56 and is evaporated by heating to generate an aerosol.
It is preferable that the wrapping papers 60, 61 and 62 are made of a material which does not deform or generate harmful components when heated to a high temperature or contacted with a liquid. Alternatively, the wrapper may be made of a metal film or foil, or, as described above, may be made by adding a metal film or foil to the wrapper or by laminating them together. According to a preferred embodiment of the invention, the wrapper 61 used as the outer shell of the gel aerosol-forming substrate cartridge 56 is formed from paper and aluminium foil laminated together, and the gel-receiving body 56a is placed on the aluminium foil adjacent thereto in the second temperature range during manufacture or storage, thereby preventing the gel aerosol-forming substrate from transforming into a liquid state and flowing out of the sides of the gel aerosol-forming substrate cartridge 56.
The filter 52 arranged downstream of the gel aerosol-forming substrate cartridge 56 may have a hollow portion for generating an air flow, but filters without a hollow portion may also be used. The filter may be comprised of one or more sections and may include, for example, at least one of a tube filter, a cooling structure, and a fluted filter. The candle filter has an inner hollow portion. The candle filter and the fluted filter may be made of cellulose acetate, and the tube used as the cooling structure may be made of pure polylactic acid (PLA) or a combination of polylactic acid and another degradable polymer.
More specifically, the filter 52 may be made of acetate, paper, PP, etc., and a packing paper wrapping the filter may be classified into plain paper, porous paper, perforated paper, non-acetate wrapping (NWA), etc. In addition, the types of filters can be classified as single filters composed of one section or composite (double, triple, etc.) filters composed of a plurality of sections. The filter can be made of acetate fiber tow, plasticizer, active carbon, X-DNA and packaging paper. Acetate tow refers to a collection of continuous cellulose acetate filaments that play an important role in determining the most important characteristic of a filter, the resistance to draw. The properties of acetate tow are determined by denier.
The plasticizer makes the cellulose acetate fibers soft and flexible, thereby forming bonds at the points of contact between the fibers and making the fiber bundle more rigid. Glyceryl triacetate is used as a plasticizer for cigarette filters.
Activated carbon is an adsorbent based on carbon and can be classified by particle size and nature. The raw material for activated carbon includes plant materials such as wood, sawdust and fruit stones (coconut shell, bamboo, peach seed, etc.).
X-DNA refers to functional particles extracted from seaweed and then concentrated and processed. Compared with the active carbon mainly used for cigarette filters, the X-DNA does not affect the taste of cigarettes and has strong anticancer effect.
The wrapper serves to maintain the shape of the filter plug during filter manufacture. The wrapper paper needs to satisfy physical properties such as porosity, tensile strength, elongation, thickness, glue adhesion, etc. during its manufacture.
For example, the gel aerosol-forming substrate cartridge 56 may be 14.0mm long, the filter 52 or tube 54 may be 2.5mm long, and the smokable filler material 58 containing tobacco may be 9.0mm long. Alternatively, for example, the filter 52 may be 10mm, the paper tube 54 may be 16mm, the gel aerosol-forming substrate cartridge 56 may be 10mm and the smokable filler material 58 may be 12 mm.
The relative lengths of the filter 52, the paper tube 54, the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, and the relative positions of the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58 may be related to the temperature of aerosol (generated from the electrically heated smoking article by the aerosol-generating device 100 to be described later) inhaled by a user. The temperature of the aerosol generated from the gel aerosol-forming substrate cartridge 56 and the temperature of the aerosol generated from the tobacco plug 58 are different and the high temperature aerosol may be further cooled as the paper tube 54 lengthens. Thus, the temperature of the aerosol generated from the gel aerosol-forming substrate cartridge 56 and the smokable filler 58 and the relative positions of the gel aerosol-forming substrate cartridge 56 and the smokable filler 58 may be considered, and the relative lengths and positions of the gel aerosol-forming substrate cartridge 56 and the smokable filler 58 may vary with the amount of liquid composition and tobacco filler, depending on the volume of the gel aerosol-forming substrate cartridge 56 and the smokable filler 58 and the heating method used by the aerosol-generating device to be described later. It is not difficult for a person of ordinary skill in the art to meet the above conditions when manufacturing electrically heated smoking articles of the same size as the electrically heated smoking articles currently on the market.
As mentioned above, according to the preferred embodiment shown in figure 3 for manufacturing the gel aerosol-forming substrate cartridge 56, the gel aerosol-forming substrate is first rendered liquid by heating in the second temperature range, and then a gel receiver 56a, which is formed cylindrically by the tube structure 40, is sprayed or injected with sufficient liquid into the gel receiver 56a by a spraying device or a liquid injection means such as a needle prior to insertion into the tube structure 40, the gel receiver 56a being wetted or soaked by the liquid as it passes through the tube structure 40. Thereafter, the gel receiver with the absorbed liquid is wrapped in, for example, a wrapping paper (or a laminate of paper and aluminum foil) and cut to a desired length (for example, 140mm, 100mm or 80mm) to form a gel receiver rod. As described below, the gel-receiver rod 57 may be cut into gel aerosol-forming substrate cartridges 56 of a desired length (e.g. 14mm, 10mm or 8mm) and then wrapped (wrapped) with the other segments of electrically heated smoking article (tube, filter and smokable filler) to produce the electrically heated smoking article 50 for generating an aerosol. As previously described, once the gel receiver 56a is stored through the tube structure 40 or after being cut to form the gel receiver rod 57 or gel aerosol-forming substrate cartridge 56, the liquid inserted into the gel receiver 56a becomes a gel while maintaining the first temperature range. Further, the gel is present in the gel receiver 56a in the form of fine particles distributed on the surface, pores, network, and the like.
Figure 4 is a diagram schematically illustrating the process of cutting a gel receiver rod 57 to produce a gel aerosol-forming substrate cartridge 56 according to another preferred embodiment of the invention. As previously described, for example, a 140mm, 100mm or 80mm long gel receiver rod 57 may be inserted into a slot in the indexing table 70 and moved to the conveyor belt 90 by rotation of the indexing table. At this point, the rotary blade 80 is placed on a path of movement along the indexing table 70 and the gel receiver rod 57 is cut by the rotary blade into ten gel aerosol-forming substrate cartridges 56 of the required length (e.g. 14mm, 10mm or 80 mm). Ten rotary blades 80 may be placed equidistantly to cut a 140mm gel receiver rod 57 into ten 14mm gel aerosol-forming substrate cartridges 56, a 100mm gel receiver rod 57 into ten 10mm gel aerosol-forming substrate cartridges 56, or an 80mm gel receiver rod 57 into ten 8mm gel aerosol-forming substrate cartridges 56. As previously mentioned, there is no significant difficulty in achieving mass production and quality control due to the use of the same process and equipment used to add flavoring ingredients to filters in conventional cigarette manufacture.
According to a preferred embodiment of the invention, a filter 52, which acts as a mouthpiece, is located at the downstream end of the gel aerosol-forming substrate cartridge 56 and a smokable filler material 58 containing tobacco is located at the upstream end of the gel aerosol-forming substrate cartridge 56. By packaging these sections (filter, gel aerosol-forming substrate cartridge and smokable filler) together, an electrically heated smoking article for generating an aerosol can be manufactured. As previously described, if necessary, a tube 54 providing an aerosol passage may be located between the filter 52 and the gel aerosol-forming substrate cartridge 56. All these sections-the filter, the tube, the gel aerosol-forming substrate cartridge and the smokable filler-are arranged side by side and packed together, thereby obtaining an electrically heated smoking article 50 for generating an aerosol. In an actual production line, 10 or more groups of these sections are arranged and wrapped, and then cut into several electrically heated smoking articles.
In any case, the liquid composition (as the aerosol-forming substrate contained in the gel aerosol-forming substrate cartridge 56) becomes a gel, and the gel is present in the form of fine particles distributed over surfaces, pores, networks, etc. in a gel receiver within the gel aerosol-forming substrate cartridge. Even liquid compositions in the liquid state are absorbed by the gel receiver 56a and do not flow out of the gel aerosol-forming substrate cartridge. However, during manufacture of the electrically heated smoking article or after completion of the electrically heated smoking article, the liquid composition may flow out due to high temperature heat or physical pressure applied to the gel aerosol-forming substrate cartridge, or may evaporate into an aerosol and flow out to the outside. First, according to a preferred embodiment of the invention, the smokable filler material is located upstream of the gel aerosol-forming substrate cartridge and the filter is located downstream of the gel aerosol-forming substrate cartridge, so that even if high temperature heat or external forces are applied to the gel aerosol-forming substrate cartridge, the liquid composition is unlikely to flow out of the filter or smokable filler material. Since the gel aerosol-forming substrate becomes liquid in the second temperature range, including 70 ℃, and the liquid composition starts to generate an aerosol above about 120 ℃, any loss of liquid composition during manufacture can be prevented by performing process control below 100 ℃ (preferably in the first temperature range below 50 ℃) during packaging or making of the gel aerosol-forming substrate cartridge. In the case where a high temperature equal to or higher than the temperature at which the liquid composition starts to evaporate is required in the manufacturing process, the liquid composition can be controlled so as to be additionally absorbed by estimating the amount of the liquid composition lost in the process and adding the estimated loss amount to the required amount of the liquid composition.
In the following, embodiments of an aerosol-generating device 100 for generating an aerosol by heating an electrically heated smoking article 50 according to the invention will be described. The aerosol-generating device 100 to be described below is a grippable and portable sized aerosol-generating device comprising an aerosol-generating substrate (such as a liquid composition or tobacco) in a smoking article (such as in an electrically heated smoking article 50 according to the invention), having a cavity into which an electrically heated smoking article 50 wrapped in a conventional cigarette-shaped wrapper is inserted, and forming an aerosol by heating the aerosol-forming substrate of the smoking article inserted into the cavity by means of a heater provided in the aerosol-generating device. As described below, the heater may be a resistive heater or an inductive heater, which may be heated to 100 ℃ to 400 ℃ to heat an aerosol-forming substrate within an electrically heated smoking article 50 inserted into a cavity of an aerosol-generating device to generate an aerosol. According to a preferred embodiment, the target temperature may be between 200 ℃ and 350 ℃, more preferably between 250 ℃ and 320 ℃ (e.g., the target temperature may be set to 280 ℃). In some cases, the target temperature may be between 150 ℃ and 250 ℃ (e.g., the target temperature may be set at 180 ℃) and may vary depending on whether the aerosol is generated from a liquid composition (glycerin, etc.), a smokable filler, or a smokable filler having absorbed therein a liquid composition such as glycerin. In any of these cases, the aerosol generated in the electrically heated smoking article 50 is inhaled into the user's mouth through the tube 54 and the filter 52. Therefore, if the temperature of the generated aerosol is too high, the user may feel discomfort or be burned even if the aerosol is cooled by inhalation. In addition, too much aerosol may be generated, making it difficult to inhale more than a few times. In view of this, the target temperature of the heating element should be preset. For these reasons, the above-described upper limit is set on the target temperature of the heating element.
According to a preferred embodiment, the temperature of the generated aerosol measured after passing through the tube 54 and the filter 52 may be the mouth end temperature. The temperature of the aerosol should be below 50 c, preferably below 45 c. The ideal temperature range of the aerosol at the open end is 25 ℃ to 45 ℃, and the more ideal temperature range of the aerosol at the open end is 30 ℃ to 40 ℃.
The aerosol-generating device 100 typically comprises a rechargeable battery 110 arranged in the device and serving as a DC power source, and a control unit 120 controlling the output from the battery 110. Figure 5 shows a conceptual view of the aerosol-generating device 100 and the electrically heated smoking article 50, and schematically shows a cross-section of the aerosol-generating device 100 to illustrate the heating method of each embodiment. For ease of explanation, the electrically heated smoking article 50 will be described substantially in relation to the arrangement of the filter 52, the tube 54, the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58 in the order named and wrapped in the wrapper 60. It should be noted that, as previously mentioned, the relative positions of the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58 may be reversed.
The following description is provided for illustrative purposes only, and the scope of the present invention is not limited thereto. Those skilled in the art to which the invention pertains will readily appreciate that aerosol-generating systems within the scope of the present invention may be constructed by deleting or adding some components of the aerosol-generating device exemplified below, or combining them with another device.
As mentioned above, fig. 5 is a view schematically showing a cross-section of an aerosol-generating device 100 according to a first embodiment of the invention, and a conceptual diagram of an exemplary aerosol-generating system to which the invention is applicable.
The aerosol-generating system comprises an aerosol-generating device 100 and an electrically heated smoking article 50. Here, an electrically heated smoking article 50 (as described above) is constructed by wrapping the filter 52, paper tube 54, gel aerosol-forming substrate cartridge 56 and smokable filler material 58 in a wrapper 60 and is inserted into a cavity formed in the aerosol-generating device 100.
The aerosol-generating device 100 comprises a tubular heater 130b using electrical resistance for generating an aerosol by heating the liquid composition absorbed by the gel aerosol-forming substrate cartridge 56, and an invasive heater 130a using electrical resistance for generating an aerosol by heating cut tobacco or the like in the smokable filler material 58. In addition, aerosol-generating device 100 comprises a battery 110 for supplying power to heaters 130a and 130b and a control unit 120 configured to control the supply of power from battery 110 to heaters 130a and 130 b.
The above-described invasive heater 130a according to the first embodiment may be in the shape of a blade or a needle having a heater pattern printed on the outside. In any case, a temperature sensor mode as well as a heater mode may be provided in order to sense the temperature of the surface of the invasive heater 130a and to control the power supply to the invasive heater 130a according to the sensed value. In the event that an invasive heater is inserted into the smokable filler 58 and heats the smokable filler 58 to form an aerosol within the smokable filler 58, as in the first embodiment, the invasive heater may assist in generating the aerosol immediately as it heats the smokable filler 58 by contact with the smokable filler 58. As described above, the gel aerosol-forming substrate cartridge 56 is formed by crimping or rolling physically connected materials; therefore, there is a possibility that the invasive heater 130a may not be correctly inserted, and even so, when the invasive heater 130a is removed, the gel receiving body may not be correctly separated. Therefore, it is desirable that the invasive heater 130a be inserted only at the smokable filler material 58.
Also, the tube heater 130b according to the first embodiment described above is a tube having a heater line or a planar heating element pattern printed or disposed outside. Like the invasive heater 130a, the tube heater 130b has a temperature sensor mode in order to sense a temperature and control power supply to the tube heater 130b according to the sensed value. The tube heater 130b heats the gel aerosol-forming substrate cartridge 56 of the electrically heated smoking article 50 from the side of the gel aerosol-forming substrate cartridge 56 such that an aerosol is generated when the aerosol-forming substrate present in gel form in the gel aerosol-forming substrate cartridge is heated.
The aerosol-forming substrate may be heated by the heater described above at a temperature in the range 150 ℃ to 350 ℃ to generate an aerosol, and the generated aerosol is inhaled through the mouth of the user via the paper tube 54 and filter 52. In one example, invasive heater 130a may heat tobacco in tobacco filler 58 in a temperature range of 150 ℃ to 250 ℃ to generate an aerosol from the tobacco, and tubular heater 130b may heat a gel receiver in gel aerosol-forming substrate cartridge 56 in a temperature range of 250 ℃ to 350 ℃ to generate an aerosol from a liquid composition in the gel receiver. The above temperature conditions may be reversed. Within the above temperature range, the wrapper does not burn, but may be partially burned.
It is needless to say that the heater patterns, the sensing unit and the control unit of the heaters 130a and 130b are electrically connected, and the battery and the control unit are also electrically connected.
Figure 6 is a diagram schematically illustrating a cross-section of an aerosol-generating system according to a second embodiment of the invention.
The electrically heated smoking article 50 is constructed in the same manner as in the first embodiment.
The aerosol-generating device 100 according to the second embodiment has a single resistive tube heater 132 corresponding to the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58. The tube heater is a tube having a pattern of heater lines or planar heating elements printed or externally disposed, as with the tube heater 130b according to the first embodiment described above. The tube heater 132 according to the second embodiment also has a temperature sensor mode in order to sense a temperature and control power supply to the tube heater 132 according to the sensed value. The tube heater 132 heats the gel aerosol-forming substrate cartridge 56 of the smoking article 50 from the side of the gel aerosol-forming substrate cartridge 56 to generate an aerosol from the aerosol-forming substrate present in gel form in the gel aerosol-forming substrate cartridge, and also heats the smokable filler material 58 of the smoking article 50 from the side of the smokable filler material 58 to generate an aerosol from tobacco cut filler or the like in the smokable filler material 58. The second embodiment tubular heater 132 heats the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58 to substantially the same temperature. The target temperature may be in a temperature range of 150 ℃ to 350 ℃, and may be adjusted according to the sensed temperature. Within the above temperature range, the wrapper does not burn, but may be partially burned.
For use of electrically heated smoking articles in the present device, the amount of aerosol generated by the liquid composition and the amount of aerosol generated by the tobacco cut filler may be suitably adjusted by adjusting the relative positions of the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, or their relative volumes (or heights).
It goes without saying that the heater pattern of the tube heater 132, the sensing unit and the control unit 120 are electrically connected, and the battery and the control unit are also electrically connected. It is desirable that the tubular heater 132 only covers the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, and not the paper tube 54 or the filter 52.
Figure 7 is a diagram schematically illustrating a cross-section of an aerosol-generating system according to a third embodiment of the invention.
The electrically heated smoking article 50 is constructed in the same manner as in the previous embodiments.
The aerosol-generating device 100 according to the third embodiment has an electrical resistance tube heater 132a corresponding to the gel aerosol-forming substrate cartridge 56 and an electrical resistance tube heater 132b corresponding to the smokable filler material 58. Like the tube heaters according to the above embodiments, these are tubes with a pattern of heater lines or planar heating elements printed or provided externally. The tube heaters 132a and 132b according to the third embodiment also have a temperature sensor mode in order to sense temperature and control power supply to the tube heaters 132a and 132b according to the sensed value. The tube heater 132a heats the gel aerosol-forming substrate cartridge 56 of the electrically heated smoking article 50 from the side of the gel aerosol-forming substrate cartridge 56 to generate an aerosol from the aerosol-forming substrate present in gel form in the gel aerosol-forming substrate cartridge, and the tube heater 132b heats the smokable filler material 58 of the electrically heated smoking article 50 from one side of the smokable filler material 58 to generate an aerosol from tobacco cut filler or the like in the smokable filler material 58. The tubular heaters 132a and 132b of the third embodiment allow the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58 to be heated to different temperatures. The target temperature may be in a temperature range of 150 ℃ to 350 ℃, and may be adjusted according to the sensed temperature. The generated aerosol is inhaled through the mouth of the user via the paper tube 54 and the filter 52. In an example, the tube heater 132b may heat tobacco in the tobacco filler 58 in a temperature range of 150 ℃ to 250 ℃ to generate an aerosol from the tobacco, and the tube heater 132a may heat the gel receiver in the gel aerosol-forming substrate cartridge 56 in a temperature range of 250 ℃ to 350 ℃ to generate an aerosol from the liquid composition in the gel receiver. The above temperature conditions may be reversed. Within the above temperature range, the wrapper does not burn, but may be partially burned.
By adopting the configuration of the third embodiment, aerosols may be suitably generated from the gel aerosol-forming substrate cartridge 56 and the smokable filler 58 without the problems of an invasive heater (e.g. having residue which falls off the electrically heated smoking article after use or not being easily inserted into the gel aerosol-forming substrate cartridge), in electrically heated smoking articles having the configuration shown in the figures, or in electrically heated smoking articles in which the relative positions of the gel aerosol-forming substrate cartridge 56 and the smokable filler 58 are reversed, and the temperature of the tube heaters 132a and 132b may also be set and controlled to the optimum temperature of each aerosol-forming substrate to generate the aerosol.
It is needless to say that the heater patterns of the tube heaters 132a and 132b, the sensing unit and the control unit 120 are electrically connected, and the battery and the control unit are also electrically connected. It is desirable that the tube heaters 132a and 132b only cover the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, and not the paper tube 54 or filter 52.
Figure 8 is a diagram schematically illustrating a cross-section of an aerosol-generating system according to a fourth embodiment of the invention.
The electrically heated smoking article 50 is constructed in the same manner as in the previous embodiments.
The aerosol-generating device 100 according to the fourth embodiment has a single resistive tube heater 134b corresponding in height to the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58 and an invasive heater 134a insertable into the smokable filler material 58.
Like the above-described tube heater, the tube heater 134b has a heater line or a planar heating element pattern printed or disposed outside, and also has a temperature sensor pattern in order to sense a temperature and control power supply to the tube heater 134b according to the sensed value. The tube heater 134b heats the gel aerosol-forming substrate cartridge 56 of the electrically heated smoking article 50 from the side of the gel aerosol-forming substrate cartridge 56 to generate an aerosol from the aerosol-forming substrate present in gel form in the gel aerosol-forming substrate cartridge, and also heats the smokable filler material 58 of the electrically heated smoking article 50 from one side of the smokable filler material 58 to generate an aerosol from tobacco cut filler or the like in the smokable filler material 58. The tubular heater 134b of the fourth embodiment heats the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58 to substantially the same temperature. Unlike the second embodiment, however, the fourth embodiment provides an invasive heater 134a having the same configuration as described above, which is insertable into the smokable filler material 58. With this configuration, an additional heat source may be provided for the smokable filler material 58, which means that the aerosol-forming substrate provided in the electrically heated smoking article may be better handled. In any case, the target temperature may be in the temperature range of 150 ℃ to 350 ℃, and may be adjusted according to the sensed temperature. In an example, the tubular heater 134b may heat the tobacco in the aerosol-forming substrate and the tobacco filler 58 present in gel form in the gel-receiving body of the gel aerosol-forming substrate cartridge 56 in a temperature range of 150 ℃ to 250 ℃ to generate an aerosol therefrom, and in addition, the invasive heater 134a may heat the tobacco in the tobacco filler 58 in a temperature range of 250 ℃ to 350 ℃ to generate an aerosol therefrom. The above temperature conditions may be reversed. Within the above temperature range, the wrapper does not burn, but may be partially burned.
It is needless to say that the heater patterns of the invasive heater 134a and the tube heater 134b, the sensing unit and the control unit 120 are electrically connected, and the battery and the control unit are also electrically connected. It is desirable that the tube heater 134b only covers the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, and not the paper tube 54 or the filter 52. For the reasons described above, it is desirable that the invasive heater 134a be inserted only into the smokable filler material 58.
Figures 9 to 12 illustrate aerosol-generating systems employing induction heaters according to fifth to eighth embodiments of the present invention. The electric component for induction heating is a component for induction heating, which includes excitation coils 136a, 136c, 138b, 140a, and 140b wound in a cylindrical shape a plurality of times, and susceptors (magnetic heating elements) that react with the excitation coils 136a, 136c, 138b, 140a, and 140b so that induction heating occurs due to eddy current loss. Here, the susceptors are metal heat pipes 135, 136d, 138a, 142a and 142b disposed inside the excitation coils 136a, 136c, 138b, 140a and 140b to be surrounded by the excitation coils 136a, 136c, 138b, 140a and 140b in the device, which are composed of hollow cylindrical sheets (defining cavities into which the electrically heated smoking articles 50 can be inserted), and which are heated by induction heating to temperatures below 400 ℃ due to eddy current losses by reaction with the excitation coils 136a, 136c, 138b, 140a and 140 b. The susceptor may be heated to a temperature of 1000 c or more according to the magnitude of the alternating current applied to the exciting coils 136a, 136c, 138b, 140a and 140b, however, in the present invention, the susceptor serving as the heating element is heated to a temperature of 400 c or less as described above. The temperature of the heat pipes 135, 136d, 138a, 142a, and 142b may be sensed by temperature sensors in physical contact with the surfaces of the heat pipes 135, 136d, 138a, 142a, and 142b, or the temperature of the susceptors may be calculated based on changes in current and voltage detected by current and voltage sensors that measure changes in current and voltage used to heat the susceptors as a function of inductance or reactance that changes with the temperature of the susceptors used as the heat pipes 135, 136d, 138a, 142a, and 142 b.
In order for induction heating to occur, the control unit receives direct current of the battery 110 and supplies alternating current having a resonance frequency or alternating current having a frequency different from the resonance frequency to the exciting coil. By controlling the alternating current applied to the excitation coil based on a change in temperature of the susceptor, the susceptor can be heated to a desired temperature, held at that temperature, or have a change in temperature.
Figure 9 is a diagram schematically illustrating a cross-section of an aerosol-generating system according to a fifth embodiment of the invention.
The electrically heated smoking article 50 is configured to absorb heat electrically in the same manner as in the previous embodiments.
The aerosol-generating device 100 according to the fifth embodiment has an induction heat pipe 135 corresponding to the gel aerosol-forming substrate cartridge 56 and an induction heat blade 136b corresponding to the smokable filler material 58. The heat pipe 135 and the heating blade 136b are both constituted by susceptors, and are heated by induction heating. The heat pipe 135 heats the gel aerosol-forming substrate cartridge 56 of the electrically heated smoking article 50 from the side of the gel aerosol-forming substrate cartridge 56 to generate an aerosol from the aerosol-forming substrate present in gel form in the gel aerosol-forming substrate cartridge, and the heating blade 136b heats the cut filler 58 of the electrically heated smoking article 50 to generate an aerosol.
Since the heat pipe 135 and the heating blade 136b, which are susceptors, are provided as receivers, respectively, it is possible to achieve a desired heating temperature condition by adjusting their materials or thicknesses.
The temperature conditions achieved by the control may be the same or similar to those previously described. That is, the heat pipe 135 and heating blade 136b of the fifth embodiment allow the gel aerosol-forming substrate cartridge 56 and smokable filler material 58 to be heated to different temperatures. The target temperature may be in the range of 150 ℃ to 300 ℃ and may be adjusted according to the sensed temperature. The generated aerosol is inhaled through the mouth of the user via the paper tube 54 and the filter 52. In one example, the heating blade 136b may heat tobacco shred in the smokable filler 58 in a temperature range of 150 ℃ to 200 ℃ to generate an aerosol from the tobacco shred, and the heat pipe 135 may heat a gel receiver in the gel aerosol-forming substrate cartridge 56 in a temperature range of 250 ℃ to 300 ℃ to generate an aerosol from a liquid composition in the gel receiver. The above temperature conditions may be reversed. Within the above temperature range, the wrapper does not burn, but may be partially burned.
It goes without saying that the excitation coil 136a, the sensing unit and the control unit are electrically connected, and the battery and the control unit are also electrically connected. Ideally, the heat pipe 135 only covers the gel aerosol-forming substrate cartridge 56 and not the paper tube 54 or the filter 52. Furthermore, it is desirable that the heating blade 136b be inserted only into the smokable filler material 58, such as a resistive type invasive heater.
Figure 10 is a diagram schematically illustrating a cross-section of an aerosol-generating system according to a sixth embodiment of the invention.
The electrically heated smoking article 50 is constructed in the same manner as in the embodiments described above.
The aerosol-generating device 100 according to the sixth embodiment is an example of a combination of an induction heat pipe 136d corresponding to the gel aerosol-forming substrate cartridge 56 and an electrical resistance tube heater 136e corresponding to the smokable filler material 58.
The heat pipe 136d, which is a susceptor, heats the gel aerosol-forming substrate cartridge 56 of the electrically heated smoking article 50 from the side of the gel aerosol-forming substrate cartridge 56 to generate an aerosol from the aerosol-forming substrate present in gel form in the gel aerosol-forming substrate cartridge.
In addition, the resistive tube heater 136e heats the smokable filler material 58 of the smoking article 50 electrically from the side of the smokable filler material 58 to generate an aerosol from tobacco cut filler material or the like in the smokable filler material 58.
For use of electrically heated smoking articles in the present device, the amount of aerosol generated by the liquid composition and the amount of aerosol generated from the tobacco cut filler may be suitably adjusted by adjusting the relative positions of the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, or their relative volumes (or heights).
The heat pipe 136d and tube heater 136e of the sixth embodiment allow the gel aerosol-forming substrate cartridge 56 and smokable filler material 58 to be heated to different temperatures. The target temperature may be in a temperature range of 150 ℃ to 350 ℃, and may be adjusted according to the sensed temperature. The generated aerosol is inhaled through the mouth of the user via the paper tube 54 and the filter 52. In one example, the heat pipe 136d may heat tobacco shred in the smokable filler 58 in a temperature range of 150 ℃ to 250 ℃ to generate an aerosol from the tobacco shred, and the tube heater 136e may heat the gel receiver in the gel aerosol-forming substrate cartridge 56 in a temperature range of 250 ℃ to 350 ℃ to generate an aerosol from the liquid composition in the gel receiver. The above temperature conditions may be reversed. Within the above temperature range, the wrapper does not burn, but may be partially burned.
It goes without saying that the excitation coil 136c, the heater pattern of the tube heater, the sensing unit and the control unit 120 are electrically connected, and the battery and the control unit are also electrically connected. It is desirable that the heat pipe 136d and the tubular heater 136e only cover the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, and not the paper tube 54 or the filter 52.
Figure 11 is a diagram schematically illustrating a cross-section of an aerosol-generating system according to a seventh embodiment of the invention.
The electrically heated smoking article 50 is constructed in the same manner as in the previous embodiments.
The aerosol-generating device 100 according to the seventh embodiment operates by heating both the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58 by the induction heat pipe 138 a. On heating of the heat pipe 138a, aerosol is generated from aerosol-forming substrate present in gel form in the gel-receiving body of the gel-aerosol-forming substrate cartridge 56, whilst aerosol is generated from cut tobacco or the like in the smokable filler material 58. The heat pipe 138a of the seventh embodiment heats the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58 to substantially the same temperature. The target temperature may be in a temperature range of 150 ℃ to 350 ℃, and may be adjusted according to the sensed temperature. Within the above temperature range, the wrapper does not burn, but may be partially burned.
For use of the electrically heated smoking article in this device, the amount of aerosol generated by the liquid composition and the amount of aerosol generated by the tobacco cut filler may be suitably adjusted by adjusting the relative positions of the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, or their relative volumes (or heights).
Of course, the excitation coil 138b, the sensing unit and the control unit 120 are electrically connected, and the battery and the control unit are also electrically connected. It is desirable that the heat pipe 138a only covers the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, and not the paper tube 54 or the filter 52.
Figure 12 is a diagram schematically illustrating a cross-section of an aerosol-generating system according to an eighth embodiment of the invention.
The electrically heated smoking article 50 is constructed in the same manner as in the previous embodiments.
The aerosol-generating device 100 according to the eighth embodiment has an induction heat pipe 142a corresponding to the gel aerosol-forming substrate cartridge 56 and an induction heat pipe 142b corresponding to the smokable filler material 58. Excitation coils 140a and 140b for heating the heat pipes by induction are provided, respectively. The heat pipe 142a heats the gel aerosol-forming substrate cartridge 56 of the smoking article 50 from the side of the gel aerosol-forming substrate cartridge 56 to generate an aerosol from the aerosol-forming substrate present in gel form in the gel aerosol-forming substrate cartridge, and the heat pipe 142b heats the smokable filler material 58 of the smoking article 50 from the side of the smokable filler material 58 to generate an aerosol from tobacco cut filler or the like in the smokable filler material 58. The heat pipes 142a and 142b of the eighth embodiment allow the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58 to be heated to different temperatures. The target temperature may be in a temperature range of 150 ℃ to 350 ℃, and may be adjusted according to the sensed temperature. The generated aerosol is inhaled through the mouth of the user via the paper tube 54 and the filter 52. In one example, the heat pipe 142b may heat tobacco shred in the smokable filler 58 in a temperature range of 150 ℃ to 250 ℃ to generate an aerosol from the tobacco shred, and the heat pipe 142a may heat a gel receiver in the gel aerosol-forming substrate cartridge 56 in a temperature range of 250 ℃ to 350 ℃ to generate an aerosol from a liquid composition in the gel receiver. The above temperature conditions may be reversed. Within the above temperature range, the wrapper does not burn, but may be partially burned.
For use of the electrically heated smoking article in this device, the amount of aerosol generated by the liquid composition and the amount of aerosol generated by the tobacco cut filler may be suitably adjusted by adjusting the relative positions of the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, or their relative volumes (or heights).
It goes without saying that the excitation coils 140a and 140b, the sensing unit and the control unit 120 are electrically connected, and the battery and the control unit are also electrically connected. It is desirable that the heat pipes 142a and 142b only cover the gel aerosol-forming substrate cartridge 56 and the smokable filler material 58, and not the paper tube 54 or the filter 52.
It will be understood by those skilled in the art to which the present invention pertains that the present invention may be embodied in modified forms without departing from the essential characteristics thereof. Accordingly, the above disclosed methods should be considered in an illustrative and not a limiting sense. The scope of the invention is defined by the claims rather than the foregoing description, and all differences within the equivalent scope thereof should be construed as being included in the scope of the present invention.
Industrial applicability
According to the present invention, by providing a gel aerosol-forming substrate cartridge into which an electrically heated smoking article can be inserted and an electrically heated smoking article comprising the substrate cartridge, a user can simultaneously inhale both an aerosol from a liquid and an aerosol from a tobacco substrate.
Claims (20)
1. A gel-aerosol-forming substrate cartridge insertable into an electrically heated smoking article, the gel-aerosol-forming substrate cartridge comprising:
a gel aerosol-forming substrate comprising glycerol and gelatin, which is present in gel, semi-solid or solidified form at a first temperature range including room temperature, converts to liquid form at a second temperature range including 70 ℃ and evaporates to an aerosol at a temperature range of 150 ℃ to 400 ℃;
a gel receiver for receiving the gel aerosol-forming substrate; and
a wrapper wrapped around the side of the gel receiver in a cylindrical shape 7mm to 20mm long and 5mm to 8mm in diameter.
2. A gel-aerosol-forming substrate kit according to claim 1, wherein the gel-aerosol-forming substrate additionally comprises one or more of water, agar, thickeners, starch powder, cellulose, carboxymethyl ether, natural flavourants and fruit extracts.
3. A gel aerosol-forming substrate cartridge according to claim 1 or 2, wherein the content of glycerol in the gel aerosol-forming substrate is equal to or greater than 50 wt%.
4. The gel aerosol-forming substrate cartridge according to claim 1 or 2, wherein the gel aerosol-forming substrate comprises a liquid composition consisting of 80 to 100 wt% of glycerol VG and 0 to 20 wt% of glycerol PG, wherein 1g to 6g of gelatin is contained in 100ml of a mixture of 60 to 80 vol% of liquid composition and 20 to 40 vol% of water, and optionally a flavouring agent is added in an amount of 10% or less of the total weight of the liquid composition.
5. A gel aerosol-forming substrate cartridge according to claim 4, wherein the gel receiver comprises the liquid composition in an amount of from 70mg to 120 mg.
6. A gel aerosol-forming substrate cartridge according to any one of claims 1 to 5, wherein the gel aerosol-forming substrate cartridge is inserted into the gel receiver in liquid form in the second temperature range and is present in gel form, semi-solid form or set form in the first temperature range.
7. A gel-aerosol-forming substrate cartridge according to claim 1, wherein the gel receiver is made by crumpling or winding a strip of melamine-based foam resin having a thickness of 2mm to 3mm into a cylindrical shape or by processing melamine-based foam resin into a cylindrical shape, and optionally has a weight per unit volume of 0.01mg/mm3To 0.013mg/mm3。
8. A gel-aerosol-forming substrate cartridge according to claim 1, wherein the gel receiver is made by crumpling, folding or rolling pulp or a fabric containing pulp into a cylindrical shape or by processing it into a cylindrical shape, and optionally has a weight per unit volume of 0.25mg/mm3To 0.4mg/mm3。
9. A gel aerosol-forming substrate kit according to claim 1, wherein the gel receiver is made by crumpling or winding a cotton fabric or non-woven into a cylinder or by processing it into a cylinder, and optionally has a weight per unit volume of 0.2mg/mm3To 0.35mg/mm3。
10. A gel aerosol-forming substrate kit according to claim 1, wherein the gel receiver is made by crumpling or winding a bamboo fibre fabric or nonwoven into a cylindrical shape or by processing it into a cylindrical shape, and optionally has a weight per unit volume of 0.15mg/mm3To 0.25mg/mm3。
11. The gel-aerosol-forming substrate cartridge according to any one of claims 7 to 10, wherein the liquid composition consisting of 80 to 100 wt% of glycerol VG and 0 to 20 wt% of glycerol PG is 0.13mg/mm per unit volume of gel receiver3To 0.32mg/mm3Is present in the gel receiver.
12. A gel-aerosol-forming substrate cartridge according to any one of claims 1 to 11, wherein the wrapper is made by attaching an aluminium foil to a paper and is wrapped in a cylindrical shape so that the aluminium foil is in contact with the gel-receiving body.
13. An electrically heated smoking article, comprising:
a filter;
a gel aerosol-forming substrate cartridge according to any one of claims 1 to 12 located upstream of the filter; and
a tobacco filler comprising tobacco filler located upstream of the filter and upstream or downstream of the gel aerosol-forming substrate cartridge,
wherein the filter, the gel aerosol-forming substrate cartridge and the tobacco filler are wrapped with a wrapper to form a cigarette.
14. The electrically heated smoking article of claim 13, wherein a tubular body is disposed immediately upstream of the filter.
15. An aerosol-generating device for an electrically heated smoking article according to claim 13 or 14, the device being grippable and of portable size, the aerosol-generating device comprising:
a cavity disposed in the device into which the smoking article is insertable;
at least one of an electrical resistance heater and an induction heater disposed in the device, capable of heating the interior or exterior of the gel aerosol-forming substrate cartridge and smokable filler material of the smoking article;
a rechargeable battery provided in the device for use as a direct current power supply; and
a control unit disposed in the device for controlling the heater by receiving direct current from the battery.
16. An aerosol-generating device according to claim 15, wherein the electrical resistance heater is a tubular heater for heating the exterior of the smoking article or an invasive heater inserted into the smoking article to heat the interior,
wherein the tubular heater heats the gel aerosol-forming substrate cartridge and/or smokable filler material, the invasive heater being inserted into the smokable filler material and heating the interior of the smokable filler material.
17. An aerosol-generating device according to claim 16, further comprising a temperature sensor arranged in the device to sense the temperature of the heater, wherein the control unit controls the resistive heater in dependence on a sensed value from the temperature sensor.
18. An aerosol-generating device according to claim 15, wherein the inductive heater is a heat pipe made of susceptor material that heats the exterior of the smoking article and is heated by an excitation coil provided separately in the device, or a heating blade made of susceptor material that is inserted into the smoking article to heat the interior of the smoking article,
wherein the heat pipe heats the gel aerosol-forming substrate cartridge and/or smokable filler material, the heating blade being inserted into the smokable filler material and heating the interior of the smokable filler material.
19. An aerosol-generating device according to claim 18, further comprising a temperature acquisition unit disposed in the device to acquire the temperature of the induction heater,
wherein the control unit controls the current applied to the exciting coil based on an input from the temperature acquisition unit.
20. An aerosol-generating system, the aerosol-generating system comprising:
the electrically heated smoking article of claim 13 or 14; and
an aerosol-generating device comprising: a cavity into which the smoking article is insertable; at least one of a resistive heater and an inductive heater capable of heating the interior or exterior of a gel aerosol-forming substrate cartridge and smokable filler material of the smoking article; a rechargeable battery for use as a dc power source; and a control unit for controlling the heater by receiving direct current from the battery, all of which are provided in the device,
wherein an aerosol is generated within the electrically heated smoking article by inserting the smoking article into the cavity and electrically heating a gel aerosol-forming substrate cartridge and a smokable filler material of the electrically heated smoking article.
Applications Claiming Priority (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20190009335 | 2019-01-24 | ||
| KR10-2019-0009335 | 2019-01-24 | ||
| KR10-2019-0111764 | 2019-09-09 | ||
| KR20190111764 | 2019-09-09 | ||
| KR10-2019-0112232 | 2019-09-10 | ||
| KR20190112232 | 2019-09-10 | ||
| KR20190119452 | 2019-09-27 | ||
| KR20190119221 | 2019-09-27 | ||
| KR10-2019-0119452 | 2019-09-27 | ||
| KR10-2019-0119221 | 2019-09-27 | ||
| KR20190123735 | 2019-10-07 | ||
| KR10-2019-0123735 | 2019-10-07 | ||
| KR10-2019-0150222 | 2019-11-21 | ||
| KR20190150222 | 2019-11-21 | ||
| PCT/KR2020/001279 WO2020153829A1 (en) | 2019-01-24 | 2020-01-28 | Gel-type aerosol-generating substrate cartridge insertable into electrically heated smoking article, electrically heated smoking article comprising same, and aerosol generation device and system therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113329644A true CN113329644A (en) | 2021-08-31 |
| CN113329644B CN113329644B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080010593.3A Active CN113329644B (en) | 2019-01-24 | 2020-01-28 | Gel aerosol-forming substrate cartridge, electrically heated smoking article, device and system |
Country Status (3)
| Country | Link |
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| EP (1) | EP3915403A4 (en) |
| KR (3) | KR20200092268A (en) |
| CN (1) | CN113329644B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11606969B1 (en) | 2018-01-03 | 2023-03-21 | Cqens Technologies, Inc. | Heat-not-burn device and method |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102478538B1 (en) * | 2020-02-20 | 2022-12-16 | 주식회사 케이티앤지 | An aerosol generating article comprising a plurality of segments |
| KR20220139055A (en) * | 2021-04-07 | 2022-10-14 | 주식회사 케이티앤지 | Aerosol generating article and aerosol generating device receving the same |
| KR20230128180A (en) | 2022-02-25 | 2023-09-04 | 주식회사 이노아이티 | Gaerosol generaing system having el state aerosol generating medium |
| KR20230130782A (en) | 2022-03-04 | 2023-09-12 | 주식회사 이엠텍 | Vaporable flavor substance and heated aerosol generating article having the same |
| WO2023204686A1 (en) * | 2022-04-22 | 2023-10-26 | 주식회사 이엠텍 | Aerosol medium assembly comprising porous beads and heated smoking article comprising same |
| KR20230154669A (en) * | 2022-05-02 | 2023-11-09 | 주식회사 케이티앤지 | Aerosol generating device and system |
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- 2020-01-28 CN CN202080010593.3A patent/CN113329644B/en active Active
- 2020-01-28 EP EP20744553.7A patent/EP3915403A4/en active Pending
- 2020-01-28 KR KR1020200009697A patent/KR20200092268A/en not_active IP Right Cessation
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- 2022-11-10 KR KR1020220149132A patent/KR20220157335A/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20220157335A (en) | 2022-11-29 |
| CN113329644B (en) | 2023-03-24 |
| EP3915403A4 (en) | 2022-11-16 |
| KR20200092268A (en) | 2020-08-03 |
| EP3915403A1 (en) | 2021-12-01 |
| KR20240017030A (en) | 2024-02-06 |
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