CN112367864A

CN112367864A - Cigarette with improved smoke exhaust

Info

Publication number: CN112367864A
Application number: CN201980044937.XA
Authority: CN
Inventors: 郑恩米; 高东均; 崔桑源; 郑淳焕; 朴仁洙
Original assignee: KT&G Corp
Current assignee: KT&G Corp
Priority date: 2018-08-10
Filing date: 2019-08-08
Publication date: 2021-02-12
Also published as: JP7414239B2; US20210251281A1; EP3818843A1; WO2020032610A1; KR102414661B1; EP3818843A4; JP2023002598A; KR20200018136A; JP2021523686A; JP7473239B2; EP3818843B1

Abstract

Disclosed is a cigarette comprising: a tobacco rod, and a filter rod connected to a downstream end portion of the tobacco rod. A part of the filter rod according to the present embodiment is constituted by a cooling portion containing sucrose serving as a cooling substance.

Description

Cigarette with improved smoke exhaust

Technical Field

The invention relates to a cigarette, which comprises a tobacco rod and a filter rod.

Background

In recent years, there has been an increasing demand for alternative methods for overcoming the disadvantages of ordinary cigarettes. For example, there is an increasing demand for methods of generating aerosols by heating aerosol generating substances within a cigarette rather than by burning the cigarette.

The cigarette includes a filter that functions to filter a specific component contained in the aerosol or to cool the aerosol. There is a problem in that if the filtering performance of the filter is too high, the amount of transmission of the aerosol is small, and if the filtering performance is too low, the specific component contained in the aerosol cannot be filtered.

Therefore, studies on a filter having appropriate performance by changing components constituting the filter or changing the structure of the filter are being conducted.

Disclosure of Invention

Problems to be solved by the invention

One or more embodiments provide a cigarette in which a cooling material of a cooling portion is formed of sucrose (sucrose). The technical problem to be solved by the present embodiment is not limited to the technical problem described above, and other technical problems may be analogized from the following embodiments.

Means for solving the problems

Disclosed is a cigarette, which comprises: a tobacco rod; and a filter rod connected to a downstream end portion of the tobacco rod.

A part of the filter rod of the present embodiment is constituted by a cooling portion containing sucrose (sucrose) as a cooling substance.

Effects of the invention

According to the present invention, heated aerosol can be efficiently cooled by using sucrose (sucrose) constituting a cooling portion as a cooling substance. When the heated aerosol passes through the cooling section, the temperature of the sucrose reaches a temperature higher than the melting point, and thus the sucrose undergoes a phase transition. During this process, the sucrose absorbs ambient heat, thus cooling the heated aerosol.

In addition, moisture absorbed by sucrose is added to the aerosol passing through the cooling portion due to the characteristic that sucrose absorbs ambient moisture, and thus the amount of aerosol increases.

Drawings

Fig. 1 to 3 are diagrams illustrating an example of insertion of a cigarette into an aerosol-generating device.

Fig. 4 is a diagram showing an example of a cigarette.

Fig. 5 is a diagram showing an example of a cigarette including a cooling portion according to an embodiment.

FIG. 6 is an exemplary diagram illustrating a bead-like cooling substance according to one embodiment.

Fig. 7a to 7b are diagrams schematically showing a sheet-like cooling substance according to an embodiment.

Fig. 8a to 8b are diagrams schematically showing block-shaped cooling substances according to an embodiment.

Fig. 9 is a diagram for explaining a cooling effect by using sucrose as a cooling material according to an embodiment.

Detailed Description

As a technical means for solving the technical problems, a first aspect of the present disclosure provides a cigarette comprising a tobacco rod and a filter rod connected to a downstream end portion of the tobacco rod. Wherein a part of the filter rod is composed of a cooling part containing sucrose (sucrose) as a cooling substance.

Terms used in the embodiments are general terms that are currently widely used as much as possible in consideration of functions in the present invention, but they may be changed according to intentions of those skilled in the art, cases, or the emergence of new technologies. In addition, in a specific case, the applicant has arbitrarily selected some terms, but in this case, the meanings of the selected terms will be described in detail in the description part of the invention. Therefore, the terms used in the present invention should be defined based on the meanings of the terms and the overall contents of the present invention, and not only based on the simple names of the terms.

Throughout the specification, a portion "including" a constituent element means that other constituent elements may be included, but not excluded, unless there is a characteristic description contrary thereto. In addition, terms such as "… … section" and "… … module" described in the present specification mean a unit for processing at least one function or operation, and may be implemented in hardware or software, or in a combination of hardware and software.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the invention. The invention is not, however, limited to the embodiments described herein but may be embodied in various different forms.

In the following embodiments, the terms "upstream" or "downstream" are used to indicate the relative positions of the segments that make up a cigarette. When a user uses a cigarette to draw in air, the portion of the air entering the interior of the cigarette from the outside is "upstream" and the portion of the air flowing out of the interior of the cigarette from the outside is "downstream". When using the cigarette, the user can bite into the downstream end of the cigarette. On the one hand, the term "end" may also be described as "tip".

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1, aerosol-generating device 10000 includes a battery 11000, a control unit 12000, and a heater 13000. Referring to fig. 2 and 3, the aerosol-generating device 10000 further comprises a vaporizer 14000. In addition, a cigarette 20000 may be inserted into the interior space of the aerosol-generating device 10000.

The aerosol-generating device 10000 shown in fig. 1 to 3 shows only components related to the present embodiment. Therefore, it will be understood by those skilled in the art relevant to the present embodiment that the aerosol-generating device 10000 may include other general-purpose components besides the components shown in fig. 1 to 3.

In fig. 2 and 3, the aerosol-generating device 10000 includes the heater 13000, but the heater 13000 may be omitted as needed.

Fig. 1 shows that a battery 11000, a control portion 12000, and a heater are arranged in a row. Fig. 2 shows that the battery 11000, the control unit 12000, the vaporizer 14000, and the heater 13000 are arranged in a row. Fig. 3 shows a configuration in which the vaporizer 14000 and the heater 13000 are arranged in parallel. However, the internal structure of the aerosol-generating device 10000 is not limited to that shown in fig. 1 to 3. In other words, the arrangement of the battery 11000, the controller 12000, the heater 13000, and the vaporizer 14000 can be changed according to the design of the aerosol-generating apparatus 10000.

When a cigarette 20000 is inserted into the aerosol-generating device 10000, the aerosol-generating device 10000 operates the heater 13000 and/or the vaporizer 14000 so that an aerosol can be generated from the cigarette 20000 and/or the vaporizer 14000. The aerosol generated by the heater 13000 and/or vaporizer 14000 is delivered to the user via the cigarette 20000.

If desired, the aerosol-generating device 10000 can heat the heater 13000 even if the cigarette 20000 is not inserted into the aerosol-generating device 10000.

The battery 11000 supplies electric power for operating the aerosol-generating device 10000. For example, the battery 11000 can supply power so that the heater 13000 or the vaporizer 14000 can be heated and power necessary for the operation of the control unit 12000 can be supplied. The battery 11000 can supply power necessary for operation of a display, a sensor, a motor, and the like provided in the aerosol-generating device 10000.

The control unit 12000 controls the operation of the aerosol-generating apparatus 10000 as a whole. Specifically, the control unit 12000 controls the operation of other components included in the aerosol-generating device 10000, in addition to the battery 11000, the heater 13000, and the vaporizer 14000. The control unit 12000 may check the state of each component of the aerosol-generating device 10000, thereby determining whether or not the aerosol-generating device 10000 is operable.

The control unit 12000 includes at least one processor. The processor may be constituted by a plurality of logic gate arrays, or may be realized by a combination of a general-purpose microprocessor and a memory in which a program executable by the microprocessor is stored. It should be noted that the present invention may be implemented in hardware of other forms as long as a person having ordinary skill in the art can understand the present invention.

The heater 13000 can be heated by electric power supplied from the battery 11000. For example, the heater 13000 may be located inside a cigarette when the cigarette is inserted into the aerosol-generating device 10000. Thus, the heated heater 13000 can raise the temperature of the aerosol-generating substance within the cigarette.

Heater 13000 can be a resistive heater. For example, the heater 13000 can comprise a conductive track (track), and the heater 13000 can be heated as current flows in the conductive track. However, the heater 13000 is not limited to the above example, and is not particularly limited as long as it can heat to a desired temperature. Here, the desired temperature may be set in advance in the aerosol-generating device 10000, or may be set by a user.

On the other hand, the heater 13000 may be an induction heating type heater, as another example. In particular, the heater 13000 can comprise a conductive coil for heating a cigarette by induction heating, and the cigarette can comprise a heat-sensing body that can be heated by an induction heating heater.

For example, the heater 13000 may include a tube-shaped heating member, a plate-shaped heating member, a needle-shaped heating member, or a rod-shaped heating member, and may heat the inside or outside of the cigarette 20000 according to the shape of the heating member.

In addition, the aerosol-generating device 10000 may be provided with a plurality of heaters 13000. In this case, the plurality of heaters 13000 may be disposed so as to be inserted into the cigarette 20000, or may be disposed outside the cigarette 20000. Further, some of the plurality of heaters 13000 may be disposed so as to be inserted into the cigarette 20000, and the other heaters may be disposed outside the cigarette 20000. The shape of the heater 13000 is not limited to the shape shown in fig. 1 to 3, and may be made in various other shapes.

The vaporizer 14000 is capable of generating an aerosol by heating the liquid composition, and the generated aerosol can be delivered to a user via the cigarette 20000. In other words, the aerosol generated by the vaporizer 14000 is movable along an airflow channel of the aerosol-generating device 10000, which may be configured to enable the aerosol generated by the vaporizer 14000 to be delivered to a user via a cigarette.

For example, vaporizer 14000 can include a liquid reservoir, a liquid transfer unit, and a heating component, but is not limited thereto. For example, the liquid reservoir, the liquid transfer unit, and the heating component may be provided as separate modules in the aerosol-generating device 10000.

The liquid reservoir portion is capable of storing a liquid composition. For example, the liquid composition may be a liquid comprising a tobacco-containing material that contains volatile tobacco flavor components, and may also be a liquid comprising a non-tobacco material. The liquid storage portion may be detachable from the vaporizer 14000 or attachable to the vaporizer 14000, or may be formed integrally with the vaporizer 14000.

For example, the liquid composition may include water, solvents, ethanol, plant extracts, flavors, fragrances, or vitamin mixtures. The flavoring agent may include menthol, peppermint, spearmint oil, various fruit flavor components, and the like, but is not limited thereto. The flavoring agent may include ingredients that provide a variety of flavors or fragrances to the user. The vitamin mixture may be a mixture of at least one of vitamin a, vitamin B, vitamin C, and vitamin E, but is not limited thereto. Additionally, the liquid composition may include aerosol formers such as glycerin and propylene glycol.

The liquid transfer unit is capable of transferring the liquid composition of the liquid reservoir to the heating member. For example, the liquid transfer element may be, but is not limited to, a core (wick) such as cotton fiber, ceramic fiber, glass fiber, porous ceramic.

The heating means is a means for heating the liquid composition delivered by the liquid delivery unit. For example, the heating member may be a metal hot wire, a metal hot plate, a ceramic heater, etc., but is not limited thereto. In addition, the heating member may be formed of a conductive heating wire such as a nichrome wire, and may be provided in a structure wound around the liquid transfer unit. The heating member may be heated by the supply of electrical current and may transfer heat to the liquid composition in contact with the heating member, thereby enabling the heating of the liquid composition. As a result, aerosol can be generated.

For example, the vaporizer 14000 may be referred to as an electronic cigarette (cartomizer) or an atomizer (atommizer), but is not limited thereto.

On the other hand, the aerosol-generating device 10000 may have a general structure other than the battery 11000, the control unit 12000, the heater 13000, and the vaporizer 14000. For example, the aerosol-generating device 10000 may comprise a display that may output visual information and/or a motor for outputting tactile information. In addition, the aerosol-generating device 10000 may comprise at least one sensor (puff-sensing sensor, temperature-sensing sensor, cigarette insertion sensing sensor). The aerosol-generating device 10000 can be configured to allow outside air to flow in or allow inside air to flow out even when the cigarette 20000 is inserted.

Although not shown in fig. 1 to 3, the aerosol-generating device 10000 may constitute a system together with another cradle. For example, the cradle may be used for charging of the battery 11000 of the aerosol-generating device 10000. Alternatively, the heater 13000 may be heated in a state where the carriage is coupled to the aerosol-generating apparatus 10000.

The cigarette 20000 may be similar to a conventional combustion type cigarette. For example, the cigarette 20000 may be divided into a first portion comprising aerosol generating substances and a second portion comprising filters or the like. Alternatively, the second portion of the cigarette 20000 may also comprise an aerosol generating substance. For example, an aerosol-generating substance made in the form of particles or capsules may be inserted into the second part.

The entire first portion may be inserted inside the aerosol-generating device 10000 and the second portion may be exposed to the outside. Alternatively, only a part of the first portion may be inserted inside the aerosol-generating device 10000, or the entire first portion and a part of the second portion may be inserted. The user can inhale the aerosol in a state that the second portion is held by the mouth. At this time, the external air passes through the first portion, thereby generating an aerosol, which is delivered to the user's mouth via the second portion.

As an example, the outside air may flow in through at least one air passage formed in the aerosol-generating device 10000. For example, the opening/closing of the air passage and/or the size of the air passage formed in the aerosol-generating device 10000 can be adjusted by a user. Thus, the user can adjust the atomization amount, the smoking feeling, and the like. As another example, the external air may flow into the interior of the cigarette 20000 through at least one hole (hole) formed in the surface of the cigarette 20000.

An example of the cigarette 20000 will be described below with reference to fig. 4.

Fig. 4 is a diagram showing an example of a cigarette.

Referring to fig. 4, a cigarette 20000 includes a tobacco rod 21000 and a filter rod 22000. Referring to fig. 1-3, the first portion comprises a tobacco rod 21000 and the second portion 32000 comprises a filter rod 22000.

The filter rod 22000 shown in fig. 4 is a single segment, but is not so limited. In other words, the filter rod 22000 may be constructed of multiple segments. For example, filter rod 22000 may include a section for cooling the aerosol and a section for filtering a specified component of the aerosol. In addition, the filter rod 22000 may also include at least one segment that performs other functions, as desired.

The cigarette 20000 may be wrapped with at least one wrapper 24000. The packing paper 24000 may be formed with at least one hole (hole) for inflow of external air or outflow of internal gas. As an example, the cigarette 20000 may be wrapped with a wrapper 24000. As another example, the cigarette 20000 may be wrapped with two or more wrapping papers 24000 in an overlapping manner. For example, tobacco rod 21000 can be wrapped with a first wrapper and filter rod 22000 can be wrapped with a second wrapper. Further, the tobacco rod 21000 wrapped with a single wrapper and the filter rod 22000 are combined, and the whole of the cigarette 20000 can be wrapped with a third wrapper. If the tobacco rod 21000 or filter rod 22000 is constructed from multiple segments, each segment can be individually wrapped with a single wrapper. Also, the whole of the cigarette 20000, which is combined by a section wrapped with a single wrapper, can be repackaged with other wrappers.

The tobacco rod 21000 contains an aerosol generating substance. For example, the aerosol-generating substance may include at least one of glycerin, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol, but is not limited thereto. In addition, the tobacco rod 21000 may contain other added substances such as flavoring agents, humectants, and/or organic acids (organic acids). Further, a seasoning liquid such as menthol or a humectant may be added to the tobacco rod 21000 so as to be sprayed on the tobacco rod 21000.

The tobacco rod 21000 can be made in a variety of ways. For example, the tobacco rod 21000 may be made of sheet (sheet) material or may be made of strand (strand) material. In addition, the tobacco rod 21000 can be made from tobacco leaves obtained by cutting tobacco pieces into small pieces. Additionally, the tobacco rod 21000 can be surrounded by a thermally conductive substance. For example, the heat conductive substance may be a metal foil such as an aluminum foil, but is not limited thereto. For example, the heat conductive material surrounding the tobacco rod 21000 can uniformly disperse the heat transferred to the tobacco rod 21000, thereby increasing the heat conductivity applied to the tobacco rod, and thus improving the taste of tobacco. The heat conductive material surrounding the tobacco rod 21000 functions as a heat sensitive body heated by the induction heating heater. At this time, although not shown in the drawings, the tobacco rod 21 may include an additional heat sensitive body in addition to the heat conductive substance surrounding the outside.

Filter rod 22000 can be a cellulose acetate tow filter. In one aspect, the shape of the filter rod 22000 is not limited. For example, the filter rod 22000 may be a cylindrical (type) rod, or may be a tubular (type) rod having a hollow interior. In addition, the filter rod 22000 may be an embedded (recovery) type (type) rod. If the filter rod 22000 is constructed of multiple segments, at least one of the multiple segments can be fabricated in different shapes.

The filter rod 22000 can be made to produce a flavor. For example, a flavored liquid may be sprayed onto the filter rod 22000, or a single fiber coated with a flavored liquid may be inserted into the filter rod 22000.

Additionally, filter rod 22000 can include at least one capsule 23000. Here, the capsule 23000 can exert a function of generating flavor as well as a function of generating aerosol. For example, the capsule 32400 may have a structure in which an inner solution containing a perfume is coated with a film. The capsule 324000 may have a spherical or cylindrical shape, but is not limited thereto.

If the filter rod 22000 includes a segment for cooling the aerosol, the cooling segment can be made of a polymeric material or a biodegradable polymeric material. For example, the cooling section may be made of only pure polylactic acid, but is not limited thereto. Alternatively, the cooling section may be made of a plurality of perforated cellulose acetate tow filters. However, the cooling stage is not limited to the above example, and is not limited as long as the aerosol can perform a cooling function.

In one aspect, although not shown in figure 4, the cigarette 20000 of an embodiment may further include a front filter. The front filter is located on the side of tobacco rod 21000 opposite filter rod 22000. The front filter can prevent the tobacco rod 21000 from being detached to the outside, and can also prevent liquefied aerosol from flowing into the aerosol generation device from the tobacco rod 21000 during smoking.

Referring to fig. 5, the cigarette 5 includes: a tobacco rod 510; and a filter rod 520 connected to a downstream end portion of the tobacco rod 510. The filter rod 520 may include a cooling portion 521, a tubular portion 522, and a mouthpiece portion 523.

As shown in FIG. 5, in one embodiment, the cooling portion 521 may be attached to a downstream end portion of the tobacco rod 510, the tubular portion 522 may be attached to a downstream end portion of the cooling portion 521, and the mouthpiece portion 523 may be attached to a downstream end portion of the tubular portion 522. That is, the positions of the respective stages may be set in the order of the tobacco rod 510, the cooling portion 521, the tubular portion 522, and the mouthpiece portion 523.

In other embodiments, the tubular portion 522 may be coupled to a downstream end portion of the tobacco rod 510, the cooling portion 521 may be coupled to a downstream end portion of the tubular portion 522, and the mouthpiece portion 523 may be coupled to a downstream end portion of the cooling portion 521. That is, the positions of the segments may be set in the order of the tobacco rod 510, the tubular portion 522, the cooling portion 521, and the mouthpiece portion 523.

However, the kind of filter segments included in the filter rod 520 and the arrangement order of the filter segments constituting the filter rod 520 are not limited thereto.

In one aspect, the cigarettes 5 may be wrapped with a plurality of wrappers. The plurality of wrapping papers may be made from a common roll of paper, which may be a porous roll of paper or a non-porous roll of paper.

For example, the tobacco rod 510 may be wrapped with a first wrapper and the tubular portion 522 may be wrapped with a second wrapper. In addition, the cooling unit 521 may be wrapped with a third wrapping paper, and the mouthpiece unit 523 may be wrapped with a fourth wrapping paper.

The outer portions of the first wrapper, the second wrapper and the third wrapper may be wrapped with a fifth wrapper. In other words, the tobacco rod 510, the tubular portion 522 and the cooling portion 521 of the cigarette 5 may be repackaged with a fifth wrapper. Additionally, a sixth wrapper may be wrapped around at least a portion of the fifth wrapper and an outer portion of the fourth wrapper. In other words, at least a portion of the cooling portion 521 and the mouthpiece portion 523 of the cigarette 5 may be repackaged with the sixth wrapper.

The cigarette 5 may have a diameter in the range of 5mm to 9mm and a length of about 48mm, but is not limited thereto. For example, the length of the tobacco rod 510 may be about 12mm, the length of the tubular portion 522 may be about 10mm, the length of the cooling portion 521 may be about 14mm, and the length of the mouthpiece portion 523 may be about 12mm, but is not limited thereto.

The tobacco rod 510 contains an aerosol generating substance. For example, the aerosol-generating substance may comprise at least one of glycerol, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol and oleyl alcohol.

In addition, the tobacco rod 510 may contain other added substances such as flavoring agents, humectants, and/or organic acids (organic acids). For example, flavoring agents may include licorice, sucrose, fructose syrup, high fructose glucose syrup (isosweet), cocoa, lavender, cinnamon, cardamom, celery, fenugreek, bitter orange peel, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil, peppermint oil, cinnamon, caraway, cognac, jasmine, chamomile, menthol, cinnamon, ylang-ylang, sage, spearmint, ginger, coriander, coffee, or the like. Additionally, humectants may include glycerin or propylene glycol, and the like. Additionally, humectants may include glycerin or propylene glycol, and the like.

As an example, the tobacco rod 510 may be filled with a reconstituted tobacco sheet (reconstituted tobaco sheet). As another example, the tobacco rod 510 may be filled with tobacco leaves. Wherein the tobacco leaves can be produced by shredding reconstituted tobacco sheets. As another example, the tobacco rod 310 may be filled with a plurality of cut tobacco pieces obtained by cutting a reconstituted tobacco sheet. For example, the tobacco rod 310 may be formed by combining tobacco shreds in the same direction (parallel direction) or randomly.

Before the process of wrapping the tobacco rod 510 with the wrapping paper, a seasoning liquid such as menthol or a humectant may be added to the tobacco rod 510 so as to be sprayed toward the center of the tobacco rod 510.

The tubular portion 522 may be a cellulose acetate filter. For example, the tubular portion 522 may be a tubular structure having a hollow interior. The length of the tubular portion 522 may be suitably employed in the range of 4mm to 30mm, but is not limited thereto. The length of the tubular part 522 may preferably be 10mm, but is not limited thereto. The diameter of the hollow included in the tubular part 522 may be suitably employed in the range of 2mm to 4.5mm, but is not limited thereto.

When the tubular portion 522 is manufactured, the hardness of the tubular portion 522 can be adjusted by adjusting the content of the plasticizer. In addition, a structure such as a membrane, a tube, or the like made of the same or different material may be inserted into the inside (e.g., hollow) of the tubular portion 522 when the tubular portion 522 is manufactured.

The tubular portion 522 may be made of cellulose acetate. This prevents the substance inside the tobacco rod 510 from being pushed rearward when the heater is inserted, and also produces an aerosol cooling effect.

The cooling part 521 may include sucrose (or saccharose) as a cooling substance. The melting point (melting point) of sucrose is about 160 ℃ to 180 ℃. If the temperature of sucrose exceeds the melting point, caramelization (caramelization) occurs, during which ambient heat is absorbed.

The cooling portion 521 cools the aerosol generated by heating the tobacco rod 510 by the heater. Thus, the user can inhale the aerosol cooled to an appropriate temperature.

In particular, when the cigarette 5 is inserted into the aerosol-generating device, the aerosol-generating device activates the heater to heat the tobacco rod 510 of the cigarette 5. When a user sucks air while gripping the mouthpiece portion 523 of the cigarette 5 inserted into the aerosol-generating device with a mouth, the air flows into the cigarette 5 from the outside, and aerosol is generated while the air flowing into the cigarette 5 passes through the tobacco rod 510 heated by the heater.

As the aerosol generated in the tobacco rod 510 passes through the cooling part 521, the temperature of sucrose as a cooling substance contained in the cooling part 521 increases. When sucrose reaches its melting point or higher, a caramelization reaction occurs, during which sucrose is able to cool the heated aerosol by absorbing ambient heat. Thus, the user can inhale the aerosol cooled to an appropriate temperature.

In addition, the sucrose contained in the cooling part 521 has a characteristic of absorbing surrounding moisture and not releasing the moisture. Therefore, moisture absorbed by sucrose is added to the aerosol passing through the cooling part 521, thereby increasing the amount of aerosol so that the amount of aerosol can be maintained to the second half of smoking.

In addition, if sucrose is a concentrated sugar solution having a high concentration, the storage stability can be ensured because the osmotic pressure is high and the corrosion resistance is also high.

In an embodiment, the sucrose contained in the cooling section 521 may have a bead (bead) shape, a sheet (sheet) shape, or a block (block) shape.

Beaded sucrose can have a spherical or rounded (filet) shape. The sheet sucrose may be composed of either a porous paper or an edible (edible) film. The sucrose block may have a cylindrical, tubular or honeycomb-like shape.

The length or diameter of the cooling portion 521 may be different depending on the shape of the cigarette 5. For example, the length of the cooling portion 521 may be suitably selected in the range of 7mm to 20 mm. Preferably, the length of the cooling part 521 may be about 14mm, but is not limited thereto.

On the one hand, as shown in fig. 5, the cooling portion 52 is located at a more upstream portion of the cigarette 5 than the tubular portion 522 and the mouthpiece portion 523, and therefore, the tubular portion 522 and the mouthpiece portion 523 can be prevented from melting or shrinking by heat.

Referring to fig. 6, the cooling part 600 may include a first filter element 610, a second filter element 620, and a cooling substance 630.

The first filter element 610 may be located at one end of the cooling part 600, and the second filter element 620 may be located at the other end of the cooling part 600. In addition, the first filter element 610 and the second filter element 620 may be spaced apart by a predetermined distance to form a cavity (cavity) between the first filter element 610 and the second filter element 620. A cooling substance 630 comprising sucrose may be located within the cavity.

In an embodiment, the first and

second filter elements

610 and 620 may be tubular structures having a hollow inside, but the shapes of the first and

second filter elements

610 and 620 are not limited thereto.

The cooling substance 630 located in the cavity between the first filter element 610 and the second filter element 620 may be beaded in shape. The beaded cooling material 630 may have a spherical or rounded shape.

In one embodiment, the beaded cooling material 630 may be fabricated by laminating a sucrose surface layer (layer) on the sucrose particles (seed) using a rotary Spray process (Tangential Spray) or a Top Spray process (Top Spray). The beaded cooling material 630 produced in this manner may have a spherical or rounded shape.

In addition, the surface of the bead-shaped cooling substance 630 may be coated. As a coating agent for coating the surface of the cooling material 630, a film-forming polymer, GUM (GUM) type or STARCH (STARCH) type may be used. For example, shellac (shellac), Hydroxypropylmethylcellulose (HPMC), corn starch, or a combination of these substances may be used as a coating agent for coating the surface of the cooling substance 630. Preferably, shellac may be used as a coating agent for coating the surface of the cooling substance 630. By coating the surface of the cooling substance 630, a process of inserting the cooling substance 630 into the inside of the cooling part 600 may be facilitated, and the storage convenience of the cooling substance 630 may be improved.

In addition, minute projections may be formed on at least a part of the surface of the cooling material 630. Since the minute projections are formed on the surface of the cooling material 630, the contact area of the cooling material 630 with the aerosol passing through the cooling part 600 may increase. As a result, the cooling effect of the cooling substance 630 can be enhanced.

In one embodiment, the volume of the bead-shaped cooling material 630 may be 30 to 35% based on the total volume of the cooling part 600. Further, the bead-shaped cooling material 630 may have a diameter of about 3mm to 5mm and a weight of about 0.3 to 1.0 g.

In one aspect, the first filter element 610, the second filter element 620, and the cooling substance 630 included in the cooling part 600 may be wrapped with at least one wrapper 640.

The cooling substance 710 containing sucrose may be tablet-like in shape.

In one embodiment, the cooling substance 710 may be a porous paper sheet. The porous paper may be a material having elastic restoring force and flexibility, for example, the porous paper may be made of cellulose-based materials used for a packing paper, such as birch, bamboo, etc.

When the cooling material 710 is formed of a porous paper sheet, the porous paper may be coated with a coating material consisting of sucrose (e.g., sucrose powder), distilled water, and starch syrup (starch syrup). The starch syrup contained in the coating material functions to adjust viscosity and to suppress precipitation of sugar/glucose crystals.

On one hand, the material contained in the coating material is not limited to the above-described embodiment, and other substances may be added to improve the efficiency of the coating work and the drying work of the cooling substance 710.

In one embodiment, the concentration of sucrose (e.g., sucrose powder) may be 30% wt to 70% wt relative to the overall concentration of the coating applied to the porous paper, and the weight of the starch syrup may be less than 40% relative to the overall weight of the coating, but is not limited thereto.

In another embodiment, the cooling substance 710 may be an edible (edible) film.

The edible film may comprise a biodegradable film material. For example, starch, cellulose, and derivatives thereof such as pectin (pectin), sodium alginate (alginate), carrageenan (carrageenan), chitosan (chitosan), and the like can be used as the biodegradable film material. In addition, pullulan (pullulan) having excellent coating and film forming ability may also be added to the edible film.

The cooling material 710 in the form of an edible film can be formed by mixing the above-described biodegradable film material and sucrose.

In yet another embodiment, the sheet cooling substance 710 may have the same viscosity as the wax. To obtain the same viscosity as the wax, the cooling material 710 may be composed of sucrose, an acidic solution, and distilled water. The acidic solution may be lemon juice, vinegar, etc.

Referring to fig. 7a, a sheet-like cooling substance 710 may be wound. When the wound cooling substance 720 is located inside the cooling part 700, the wound cooling substance 720 may be located inside the cooling part 700 to pass an air flow (e.g., aerosol) in a length direction of the cooling part 700. That is, the wound cooling material 720 may be located inside the cooling part 700 with its longitudinal direction parallel to the longitudinal direction of the cooling part 700.

In fig. 7a, since the plurality of wound cooling substances 720 are located in the cooling portion 700, a honeycomb (honeycomb) shaped airflow path may be formed inside the cooling portion 700.

In addition, referring to fig. 7b, the sheet-shaped cooling substance 710 may be disposed in the cooling part 700 in a manner of forming various patterns so that the air flow may pass along the length direction of the cooling part 700. For example, the cooling substance 731, the spiral cooling substance 732, or the concentric circle-shaped cooling substance 733, which are curled in an irregular pattern, may be located inside the cooling part 700.

The cooling material comprising sucrose may be in the form of a block. In one embodiment, the bulk cooling material may be made by pouring syrup or powdered sucrose into a mold (mold) and hardening.

Referring to fig. 8a, the block-shaped cooling material may have a cylindrical shape, a tubular shape having a hollow interior, or a honeycomb-coal-like shape formed with a plurality of holes penetrating the interior. But the shape of the block-shaped cooling substance is not limited thereto.

Referring to fig. 8b, at least one channel may be formed on an outer surface of the block-shaped cooling material. At least one channel formed on the outer surface of the cooling material may be formed in a length direction of the cooling material so that the air flow may pass along the length direction of the cooling material.

In one embodiment, the at least one channel formed on the outer surface of the cooling substance may be a regular pattern of straight lines, curved lines, spirals, zigzags, or an irregular pattern. In addition, protrusions or grooves formed in a spiral pattern may be formed on the outer surface of the cooling material to function as channels through which the air flows.

Referring to fig. 9, the cigarettes 910 to 970 are constituted by a tobacco rod, a tubular portion, a cooling portion, and a mouthpiece portion.

On the way the tobacco rod of the cigarettes 910 to 970 is heated, whenever the user bites down on and draws (puff) the mouthpiece of the cigarettes 910 to 970, air flows from the outside into the interior of the cigarettes 910 to 970. An aerosol is generated during the passage of air from the outside through the heated tobacco rod.

Table 1 below is a result of measuring the temperature of an aerosol generated from a tobacco rod and passing through a cooling portion to an upstream end of a mouthpiece portion using the cigarettes 910 to 970 according to the first to seventh aspects. That is, the extent to which the aerosol is cooled while passing through the cooling part in each of the first to seventh aspects can be confirmed by the following table 1.

For the measurement of table 1 below, the amount of aspiration was set to 55ml, the aspiration time was set to 2 seconds, the aspiration period was set to 20 seconds and the number of aspirations was set to 12. In table 1, the maximum temperature refers to an average of the maximum temperatures in the respective pumping periods, and the average temperature refers to an average of the average temperatures in the respective pumping periods.

[ Table 1]

Hereinafter, the tubular portion and the cooling portion according to the first to seventh aspects are tubular structures having a hollow interior.

In the case of the first embodiment, the tubular portion of the cigarette 910 is CA (Cellulose Acetate) and the cooling portion is PLA (PolyLacticAcid) fabric. As a result of measuring the aerosol temperature at the measurement location using the cigarette 910 of the first embodiment, the maximum temperature was 79.2 ℃ and the average temperature was 65.8 ℃.

In the case of the second aspect, the tubular portion of the cigarette 920 is CA and the cooling portion is CA. As a result of measuring the aerosol temperature at the measurement location using the cigarette 920 of the second version, the maximum temperature was 68.8 ℃ and the average temperature was 57.7 ℃.

In the case of the third aspect, the tubular portion of the cigarette 930 is a plate-like leaf, and the cooling portion is CA. As a result of measuring the aerosol temperature at the measurement location using the third version of the cigarette 930, the maximum temperature was 86.8 ℃ and the average temperature was 69.0 ℃.

In the case of the fourth aspect, the tubular portion of the cigarette 940 is paper and the cooling portion is CA. As a result of measuring the aerosol temperature at the measurement location using the cigarette 940 of the fourth aspect, the maximum temperature was 69.5 ℃ and the average temperature was 55.7 ℃.

In the case of the fifth aspect, the tubular portion of the cigarette 950 is CA, and the cooling portion is a plate-like leaf. As a result of measuring the aerosol temperature at the measurement position using the cigarette 950 of the fifth aspect, the maximum temperature was 77.3 ℃ and the average temperature was 61.8 ℃.

In the case of the sixth aspect, the tubular portion of the cigarette 960 is CA and the cooling portion is paper. As a result of measuring the aerosol temperature at the measurement location using the cigarette 960 of the sixth aspect, the maximum temperature was 85.7 ℃ and the average temperature was 72.7 ℃.

In the case of the seventh aspect, the tubular portion of the cigarette 970 is CA and the cooling portion is sucrose. As a result of measuring the aerosol temperature at the measurement position using the cigarette 970 of the seventh aspect, the maximum temperature was 47.3 ℃ and the average temperature was 42.6 ℃.

That is, as a result of measuring the aerosol temperature up to the upstream end of the mouthpiece section using the cigarettes 910 to 970 according to the first to seventh aspects, the highest temperature and the average temperature measured are the lowest in the seventh aspect in which the cooling substance of the cooling section is sucrose.

The sucrose contained in the cooling part undergoes a caramelization reaction when its temperature reaches the melting point or higher, during which the sucrose can effectively cool the heated aerosol by absorbing ambient heat. Thus, the user can inhale the aerosol cooled to an appropriate temperature.

It will be understood by those skilled in the art relating to the present embodiments that it is possible to implement the present invention in various forms without departing from the essential characteristics of the present invention. Accordingly, the disclosed methods should not be construed in a limited sense, but rather in an illustrative sense. The scope of the present invention is defined in the claims, not in the foregoing description, and all differences within the equivalent scope thereof should be construed as being included in the present invention.

Claims

1. A cigarette comprising a tobacco rod and a filter rod connected to a downstream end portion of said tobacco rod, wherein,

a part of the filter rod is constituted by a cooling portion containing sucrose as a cooling substance.

2. The cigarette according to claim 1,

the cooling portion includes:

a first filter element at one end of the cooling portion, an

A second filter element located at the other end of the cooling part;

the first filter element and the second filter element are spaced apart by a predetermined distance so that a cavity is formed between the first filter element and the second filter element, the cooling material being located in the cavity.

3. The cigarette according to claim 1,

the cooling mass is in the shape of beads.

4. The cigarette according to claim 3,

the surface of the beaded cooling mass is coated.

5. The cigarette according to claim 4,

minute projections are formed on at least a part of the surface of the cooling substance.

6. The cigarette according to claim 1,

the cooling substance is in the shape of a sheet.

7. The cigarette according to claim 6,

the sheet-like cooling material is wound around the cooling unit so that an air flow passes along the longitudinal direction of the cooling unit.

8. The cigarette according to claim 6,

the sheet-like cooling substance is formed of either a porous paper or an edible film.

9. The cigarette according to claim 1,

the cooling mass is in the shape of a block.

10. The cigarette according to claim 9,

the block-shaped cooling material may have any one of a cylindrical shape, a tubular shape, and a honeycomb briquette shape.

11. The cigarette according to claim 9,

at least one channel is formed on the outer surface of the block-shaped cooling material to allow an air flow to pass along the length direction of the cooling portion.

12. The cigarette according to claim 11,

the at least one channel is formed in a regular pattern of straight lines, curved lines, spirals, or zigzags, or in an irregular pattern, and is formed on the outer surface of the cooling substance.

13. The cigarette according to claim 1,

the filter rod comprises a tubular part, a cooling part and a connector part;

the tubular portion is connected at a downstream distal end portion of the tobacco rod, the cooling portion is connected at a downstream distal end portion of the tubular portion, and the mouthpiece portion is connected at a downstream distal end portion of the cooling portion.

14. The cigarette according to claim 1,

the filter rod comprises a cooling part, a tubular part and a connector part;

the cooling portion is connected at a downstream distal end portion of the tobacco rod, the tubular portion is connected at a downstream distal end portion of the cooling portion, and the mouthpiece portion is connected at a downstream distal end portion of the tubular portion.