KR101288805B1 - Cigarette to add solid type menthol and Method to add thereof, Cigarette case - Google Patents

Abstract

Solid menthol addition method according to an embodiment of the present invention, solid menthol addition method, the grinding step of grinding the menthol crystals of the raw material into a solid menthol of a predetermined size; And a feeding step of putting the pulverized solid menthol into the filter part. According to an embodiment of the present invention, by uniformly injecting the solid menthol in the filter portion of the cigarette can provide a refreshing feeling according to the uniform menthol transition during smoking, and also improve the retention of menthol as well as storage period It can be extended as compared to the conventional.

Description

Cigarette to add solid type menthol and its menthol, and the case in which it is stored Cigarette case}

Solid menthol added cigarettes and methods for adding menthol thereof, and tobacco cases in which they are stored are disclosed. More specifically, solid menthol-added tobacco and its menthol-adding method, and a cigarette case in which the solid menthol is added to the filter unit of the cigarette uniformly to impart a refreshing feeling according to the uniform menthol transition during smoking Is disclosed.

When menthol fragrance is added to tobacco used as a favorite food, it can feel fresh when smoking, and recently, many cigarettes containing menthol flavor have been used habitually. Menthol is well suited for use as a tobacco additive because it has biochemical stability that is approved for direct use as a food additive by the FDA, but does not cause any problems with carcinogenicity, genotoxicity, metabolism, or environmental toxicity. As such, menthol, which has physical and chemical stability, is added to tobacco by various methods in the tobacco manufacturing process, and various methods have already been disclosed.

In this regard, a method of adding menthol flavor to tobacco by spraying a mixed flavor solution in which menthol is dissolved to leaf tobacco and a filter has been disclosed, and spraying a mixed solution obtained by adding menthol to a mixture of glycerin and organosilane to tobacco A method of adding menthol flavor to cigarettes has been disclosed by spraying a ethanol solution in which menthol is dissolved by attaching a nozzle to a venturi tube portion through which a cigarette passes.

In addition, a method of adding menthol to tobacco by mixing and swelling liquid carbonic acid with menthol during the carbon dioxide gas swelling treatment of each herb, and by directly injecting a mixed solution of alcohol and menthol into the garniture of the cigarette machine There has been disclosed a method of adding menthol to.

In addition, a method of adding menthol to tobacco by binding menthol to a filter wrapper surrounding the filter part of tobacco, impregnating cellulose fibers in ammonia and menthol solution, evaporating ammonia, and then including menthol physically encapsulated in a cellulose substrate. This has been disclosed.

In addition, a method of absorbing menthol into activated carbon included in the filter unit and inserting the menthol into a cigarette filter, thereby improving the retention of menthol flavor and improving the rate of transition to smoke during smoking.

In addition, a method of transferring a menthol flavor to a cigarette stored in a cigarette case over a predetermined time by applying a menthol solution to a silver foil of a cigarette case for storing a cigarette has been disclosed.

As described above, the above-described method and other conventional methods for adding menthol flavor to cigarettes are commonly prepared by preparing a mixed solution containing menthol, and then adding menthol flavor to tobacco by spraying the prepared solution onto tobacco. The menthol flavor is added to cigarettes by applying a menthol solution to silver foil or filter paper of a cigarette case.

However, in such a conventional method, the spray of the mixed solution containing menthol is not evenly made on the cigarette, so there may be a difference in cooling per puff during smoking, and the menthol flavor may be drastically reduced during distribution due to volatilization. In addition, the effect of adding menthol may be halved due to the reduction of the shelf life.

Therefore, menthol-added tobacco and its menthol addition can be prevented from sudden volatilization before consumption of cigarettes, while preventing the volatilization before consumption of cigarettes, while preventing the volatility of the refreshment during smoking. The development of methods is urgent.

An object according to an embodiment of the present invention is to provide a solid menthol-added tobacco and a method for adding menthol thereof, by which solid menthol is uniformly injected into the filter part of the cigarette to impart a refreshing feeling according to uniform menthol transition during smoking. It is.

In addition, the object according to the embodiment of the present invention, since the solid menthol weak in volatility is uniformly added to the filter portion of the cigarette can not only improve the retention of menthol, but also extend the storage period compared to the conventional The present invention provides a solid menthol added tobacco and a method for adding menthol thereof.

In addition, an object according to an embodiment of the present invention is to provide a cigarette case that can increase the menthol transfer amount of the cigarette by having a menthol-coated aluminum foil while storing the solid menthol-added tobacco to which the solid menthol is added will be.

Menthol adding method of the solid menthol-added tobacco according to an embodiment of the present invention, the grinding step of grinding the menthol crystals of the raw material into a solid menthol of a predetermined size; And injecting the pulverized solid menthol into the filter part, thereby uniformly injecting the solid menthol into the filter part of the cigarette to impart a refreshing feeling according to the uniform menthol transition during smoking. In addition, the retention period of menthol can be improved, and the storage period can be extended as compared with the related art.

In the grinding step, the solid menthol may be ground in the form of powder or granules of 0.10 to 0.60 millimeter (mm).

In the adding step, the solid menthol may be uniformly added to at least one acetate filter provided in the filter unit.

During the feeding step, the solid menthol may be injected into the core hollow formed through the filter unit in the longitudinal direction.

In the adding step, the amount of the solid menthol added to the filter part may be 2 to 6 mg (mg).

The menthol addition method of the solid menthol-added tobacco may further include a menthol application step of applying a menthol solution to the aluminum foil bonded to the inner surface of the cigarette case in which the tobacco is stored. Therefore, not only the solid menthol is added to the filter portion, but the menthol transfer amount of the cigarette can be increased by applying menthol to the aluminum foil of the cigarette case in which the cigarette is stored.

On the other hand, solid menthol added tobacco according to an embodiment of the present invention, the corner grass; And a filter unit coupled to the rear end of each corner part and having a solid menthol added uniformly. By such a configuration, the uniform menthol is uniformly injected into the filter part of the cigarette to uniform menthol transition during smoking. According to the present invention, it is possible to impart a refreshing feeling, and to enhance the retention of menthol, as well as to extend the storage period as compared with the related art.

The solid menthol may be ground to a powder form or granule form of 0.10 to 0.60 millimeters (mm) and added to the filter unit.

The filter unit may include at least one acetate filter, and the solid menthol may be uniformly added to the acetate filter.

The filter unit may include at least one acetate filter, and the acetate filter may be provided with a core hollow through which the solid menthol is penetrated in the axial direction.

The amount of the solid menthol added to the filter portion may be 2 to 6 mg (mg).

The solid menthol added tobacco may be stored in a cigarette case having aluminum foil coated with menthol in solution. Accordingly, by uniformly injecting solid menthol into the filter part of the cigarette, it is possible to impart a refreshing feeling according to the uniform menthol transition during smoking, and also to increase the retention of menthol and to extend the storage period as compared to the conventional case. Can be.

On the other hand, the menthol adding method of the solid menthol-added tobacco according to an embodiment of the present invention, the melting step of applying a heat to the menthol crystals of the raw material to melt into molten menthol; Injecting the molten menthol into the filter unit; And a temperature lowering step of converting the molten menthol into solid menthol by lowering the temperature of the filter unit into which the molten menthol is injected. Smoking can give a refreshing feeling of uniform menthol.

In the melting step, the menthol crystal supplied to the supply container may be melted into the molten menthol by a heating device that heats the supply container from the outside of the supply container.

During the dosing step, the molten menthol is introduced into the filter unit through an input device connected to the supply container, and the molten menthol is solidified when the molten menthol moves through the input device in an adjacent region of the input device. A heating portion for blocking can be mounted.

In the feeding step, an encoder and a solenoid valve may be installed at an injection hole of the feeding device so that the molten menthol may be intermittently moved from the feeding device to the filter unit.

According to the exemplary embodiment of the present invention, the solid menthol may be uniformly added to the filter part of the cigarette to impart a refreshing feeling according to uniform menthol transition during smoking.

In addition, according to the embodiment of the present invention, since solid menthol having a weak volatility is uniformly added to the filter part of the cigarette, not only the retention of menthol can be enhanced but also the storage period can be extended as compared with the related art.

In addition, according to an embodiment of the present invention, not only the solid menthol is added to the filter unit, but the menthol transfer amount of the cigarette may be increased by applying menthol to the aluminum foil of the cigarette case in which the cigarette is stored.

1 is a schematic perspective view of a solid menthol added tobacco according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of the 'II-II' portion of FIG. 1.
FIG. 3 is a schematic view of a processing apparatus for producing the solid menthol of FIG. 1.
Figure 4 is a schematic diagram of a device for manufacturing a filter portion of a solid menthol added tobacco according to an embodiment of the present invention.
Figure 5 is a flow chart of a menthol addition method of the solid menthol added tobacco according to an embodiment of the present invention.
6 and 7 are graphs comparing the amount of menthol per puff of conventional cigarettes stored in menthol-coated aluminum foil, and cigarettes containing solid menthol as well as stored in menthol-coated aluminum foil.
FIG. 8 is a graph comparing menthol holding powers of existing cigarettes and cigarettes including solid menthol when the cigarette case including the aluminum foil coated with menthol is removed.
9 is a flow chart of a method for adding menthol to a solid menthol added tobacco according to another embodiment of the present invention.

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

DETAILED DESCRIPTION OF THE INVENTION The following description is one of many aspects of the claimed invention and the following description forms part of a detailed description of the present invention.

1 is a schematic perspective view of a solid menthol added tobacco according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the section 'II-II' of Figure 1, Figure 3 is a solid menthol of Figure 1 Figure 4 is a schematic diagram of a processing apparatus for manufacturing a, Figure 4 is a schematic diagram of a device for manufacturing a filter portion of a solid menthol added tobacco according to an embodiment of the present invention.

1 and 2, the solid menthol-added tobacco 100 according to an embodiment of the present invention is coupled to the herbaceous part 110 and the rear end of the leg scented part 110 and is a solid menthol 130. and a filter unit 120 to which type menthol is added. Here, the corner grass 110 is wrapped in a paper wrapper 111, the filter 120 is wrapped in a filter wrap 121, and then the grass grass 110 and the filter 120 by the tip paper 122. Can be connected.

By this configuration, when smoking the mainstream smoke is sucked into the mouth of the person through the filter unit 120, since the mainstream smoke is sucked through the solid menthol 130, the smoker can feel a uniform menthol odor and thus improved You can feel refreshed.

More specifically, the configuration of the filter unit 120 of the present embodiment, as shown in Figure 1, a pair of acetate for filtering impurities such as nicotine and tar generated from the keratin part 110 during smoking Filters 120a and 120b may be provided.

That is, the filter unit 120 of the present embodiment is provided as a dual filter having two acetate filters 120a and 120b to increase the filter efficiency. However, the present invention is not limited thereto and may be provided as a mono filter or a triple filter having a single acetate filter.

1 and 2, a core hollow 120h formed through the axial direction is provided in the acetate filter 120a, which is coupled to the rear end of the prismatic part 110 of the pair of acetate filters 120a and 120b. The solid menthol 130 may be introduced into the core hollow 120h.

However, the present invention is not limited thereto, and the solid menthol 130 may be added uniformly over the entire portions of the acetate filters 120a and 120b.

Here, the solid menthol 130 filled in the core hollow (120h) of the above-described acetate filter 120a, in the form of powder or granules having a uniform size, for example 0.10 to 0.60 millimeters (mm) in size It can be provided uniformly filled in the core hollow (120h). At this time, the amount of solid menthol 130 filled in the core hollow (120h) may be about 2 to 6 mg (mg), but is not limited thereto.

As such, the main body smoke 120 of the acetate filter 120a constituting the filter unit 120 is injected with a certain amount of solid menthol 130 having a uniform size so that the mainstream smoke generated when a smoker smokes is filtered unit 120. When passing through the menthol flavor from the solid menthol 130 is uniformly and abundantly transferred to the mainstream smoke, smokers can feel an improved refreshing feeling compared to the prior art.

Meanwhile, the solid menthol-added tobacco 100 of the present embodiment is stored in a cigarette case (not shown) in which aluminum foil (not shown) is coupled to the inner surface, and the menthol solution dissolved in alcohol can be applied to the aluminum foil.

Accordingly, when the solid menthol-added tobacco 100 of the present embodiment is stored in the cigarette case, the menthol flavor is transferred to the tortilla 110 or the filter 120 of the tobacco to improve the menthol-adding efficiency of the tobacco 100. You can.

That is, in the present embodiment, the solid menthol 130 is contained in the filter unit 120, and the menthol solution is applied to the aluminum foil in which the tobacco 100 is stored, thereby improving the refreshing feeling according to the menthol transition compared to the prior art. While you can, you can increase your retention.

Meanwhile, the solid menthol added to the acetate filter 120a described above may be manufactured through the processing apparatus 150 shown in FIG. 3. That is, the menthol crystal (not shown), which is a raw material, is introduced into a processing apparatus and subjected to a pulverization process, so that the solid menthol 130 (see FIGS. 1 and 2) of the present embodiment can be manufactured.

Referring to the processing apparatus 150 for manufacturing the solid menthol 130 in detail, the processing apparatus 150, as shown in Figure 3, and the raw material input unit 151 to which the menthol crystal in the solid state is injected; A pulverization unit 152 for crushing the injected menthol crystal into a solid menthol 130 having a predetermined size, that is, the menthol filter unit 153 for filtering the pulverized solid menthol 130, Vibration unit 154 for improving the filtering effect by applying a vibration when the pulverized solid menthol 130 is moved along the menthol filter unit 153, and the discharge portion discharged from the filtered final solid menthol 130 155 may include.

That is, when the menthol crystal which is a raw material is input to the processing apparatus 150, the solid menthol 130 may be discharged through each configuration.

Meanwhile, the solid menthol 130 manufactured by the processing apparatus 150 of FIG. 3 may be introduced into the filter unit 120 of the cigarette 100 through the tobacco filter manufacturing apparatus 160 illustrated in FIG. 4. have. The cigarette filter manufacturing apparatus 160 further includes a menthol supply unit 161 and a cellulose acetate 165 supplied with the solid menthol 130, as illustrated in FIG. 4. , a mixing unit in which a solid menthol 130 supplied through the menthol supply unit 161 is added to the acetate supply unit 162 supplied with cellulose acetate, and the cellulose acetate 165 supplied through the acetate supply unit 162 ( 163 may be provided.

With this configuration, the acetate filter 120a (see FIG. 1) containing the solid menthol 130 is manufactured on the mixing unit 163, and the prepared acetate filter 120a is connected to the outlet of the mixing unit 163. It is wrapped by the filter wrap 121 (see Fig. 1) discharged through.

As described above, the solid menthol 130 processed by the processing apparatus 150 of FIG. 3 is introduced into the acetate filter 120a through the tobacco filter manufacturing apparatus 160 of FIG. The solid menthol 130 may be uniformly contained therein, whereby the menthol flavor from the solid menthol 130 is uniform and rich as the mainstream smoke when the mainstream smoke generated by the smoker's smoking passes through the filter unit 120. As a result, smokers can feel an improved refreshing feeling compared to the prior art.

In the following, the menthol addition method of the solid menthol-added tobacco 100 having such a configuration will be described with reference to the flowchart of FIG. 5.

Menthol addition method of the solid menthol-added tobacco 100 according to an embodiment of the present invention, as shown in Figure 5, the grinding step of grinding the menthol crystal into solid menthol 130 of a predetermined size (S100) And, injecting the pulverized solid menthol 130 to the filter unit 120, the input step (S200), and a menthol application step (S300) for applying a menthol solution to the aluminum foil coupled to the inner surface of the cigarette case can do.

The grinding step S100 of the present embodiment may be performed by the processing apparatus 150 described above. That is, the solid menthol 130 to be introduced into the filter unit 120 is prepared by pulverizing the menthol crystal, which is a raw material, into the processing apparatus 150 and then crushing the menthol crystal into a predetermined size, for example, 0.10 to 0.60 millimeter (mm). can do.

Subsequently, in step S200, the solid menthol 130 is supplied to the menthol supply unit 161 of the cigarette filter manufacturing apparatus 160 described above, and the cellulose acetate 165 is supplied to the acetate supply unit 162. It is a step of manufacturing the acetate filter 120a to which the solid menthol 130 is added.

In the dosing step (S200), 2 to 6 mg (mg) of solid menthol 130 may be added to the acetate filter 120a, but the solid menthol 130 may be added to the acetate filter 120a as a whole. In addition, as shown in Figure 2, it may be added only to the core hollow (120h) formed in the acetate filter portion (120a).

Menthol application step (S300), is a step of applying a menthol solution dissolved in alcohol on aluminum foil. Menthol application step (S300), it is possible to improve the amount of menthol per puff by transferring the menthol flavor to the cigarette when the cigarette 100 is stored in the cigarette case.

Meanwhile, FIGS. 6 and 7 are graphs comparing the amount of menthol per puff of conventional cigarettes stored in menthol-coated aluminum foil, and cigarettes containing solid menthol as well as stored in menthol-coated aluminum foil. .

Referring to the graph on the left side of the graph of FIG. 6, in the case of the conventional cigarette, the filter portion 120 to which the solid menthol 130 is added, while the amount of decrease or increase in the amount of menthol shift per year per puff is small in the range of 2 to 6 puffs. In the case of the solid menthol-added tobacco 100 having a), as shown in the graph on the right of FIG. 6, it can be seen that the amount of menthol shift per year per puff increases from 2 puffs to 6 puffs. In addition, when comparing the total value, it can be seen that the solid menthol-added tobacco 100 can obtain a menthol transition amount that is approximately 70 to 125 percent increased than conventional tobacco.

In addition, as shown in FIG. 7, in the case of a conventional cigarette, there is no change to the end of combustion during smoking, while the refreshing feeling is low, while the menthol is coated on the aluminum foil and the filter unit 120 including the solid menthol is included. In the case of burning the solid menthol tobacco 100 of the embodiment, it is possible to feel the refreshing to the butts when smoking by increasing the amount of transition.

On the other hand, Figure 8 is a graph comparing the menthol retention capacity of the existing cigarette and the cigarette containing a solid menthol when removing the cigarette case provided with menthol coated aluminum foil.

As shown therein, after a predetermined time, for example 72 hours, after removing the aluminum foil, the menthol loss of the existing cigarette without the solid menthol 130 is 0.116 mg / cig. And the loss rate is 27.1 percent. However, it can be seen that the menthol loss of the solid menthol added tobacco 100 including the filter unit 120 containing the solid menthol 100 was 0.094 mg / cig. And the loss ratio was 13.8 percent. That is, it can be leaked out through FIG. 8 that the storage period of menthol can be extended because the loss rate of the solid menthol added tobacco 100 is about half of the loss rate of the existing cigarette.

As such, according to one embodiment of the present invention, by uniformly injecting the solid menthol 130 into the filter unit 120 of the cigarette 100, it is possible to give a refreshing feeling according to the uniform menthol transition during smoking. Since the solid menthol 130 having weak volatility is uniformly introduced into the filter unit 120 of the cigarette, the retention period of the menthol can be improved and the storage period can be extended as compared with the related art.

In addition, according to the present embodiment, not only the solid menthol 130 is added to the filter unit 120 but also the menthol is applied to the aluminum foil of the cigarette case in which the cigarette 100 is stored, compared to the conventional case of the cigarette 100. You can also increase your menthol transition.

On the other hand, with reference to the accompanying drawings will be described for the menthol addition method of tobacco according to another embodiment of the present invention. However, the same description as that described in the method for adding menthol of tobacco according to an embodiment of the present invention will be omitted.

9 is a flow chart of a method for adding menthol to a solid menthol added tobacco according to another embodiment of the present invention.

As shown in the drawing, in the tobacco menthol adding method according to another embodiment of the present invention, a melting step (S10) of applying heat to the menthol crystal, which is a raw material, and melting the molten menthol, and injecting the molten menthol into the filter unit Step (S20) and the temperature drop step (S30) of converting the molten menthol to solid menthol by lowering the temperature of the filter unit in which the molten menthol is injected.

First, in the melting step S10 of the present embodiment, the menthol crystal in the solid state may be melted into the molten menthol by heat supplied from a heating apparatus (not shown). In other words, the menthol crystal is supplied to a supply vessel (not shown), and the menthol crystal in the solid state is melted into the molten menthol in the molten state by applying heat to the supply vessel by a heating apparatus outside the supply vessel in which the menthol crystal is contained. Can be.

In this case, since the melting temperature of the menthol is approximately 41.6 ° C., heat of about 50 to 60 ° C. may be applied to the menthol crystal through the heating apparatus, thereby melting the menthol crystal.

On the other hand, in the input step (S20) of the present embodiment, the molten menthol is introduced into the filter unit through the input device connected to the supply container. Here, although not shown, the feeding device is provided at a supply pipe connected to the supply container, an inlet for attaching molten menthol to one end of the supply pipe and feeding the molten menthol to the filter unit, and is connected to the supply pipe and the supply container to move from the supply container to the supply pipe. It may include a pump for adjusting the amount of molten menthol.

In addition, in order to prevent the molten menthol from solidifying due to a temperature drop when the molten menthol moves through the supply pipe, a heating part for maintaining a constant temperature of the supply pipe may be mounted in an adjacent region of the supply pipe.

When molten menthol is introduced into the filter unit through the inlet of the input device, an encoder and a solenoid valve are provided at the inlet of the input device so that a predetermined amount of molten menthol can be intermittently moved from the inlet to the filter unit. valve can be mounted. At this time, approximately 2 to 6 milligrams (mg) of molten menthol may be intermittently injected from the inlet to the filter unit by the mutual operation of the encoder and the solenoid valve.

In detail, in the case of the present embodiment, the molten menthol may be added to the core hollow formed through the filter in the longitudinal direction, and may be added to other portions. For example, it is natural that the molten menthol may be added to a portion other than the cut portion of the filter portion or the portion where the smoker's mouth touches.

On the other hand, the temperature drop step (S30) is a step of converting the molten menthol injected into the filter unit into a solid menthol by lowering the external temperature of the filter unit to the melting point of menthol, that is, 41.6 ° C or less. This temperature drop step (S30) can be proceeded naturally by placing the filter unit into which the molten menthol is introduced at room temperature.

As described above, according to the present embodiment, the menthol crystal is melted by heat rather than a solvent such as alcohol and then injected into the filter unit through an input device, and then solid menthol is uniformly added to the filter unit through a temperature drop. As a result, it is possible not only to provide a refreshing feeling according to the uniform menthol transition during smoking, but also to improve the retention of menthol by uniformly injecting solid menthol having weak volatility into the filter part of the cigarette. The storage period can be extended as compared with the prior art.

In addition, since the molten menthol in a molten state rather than a solid state is added to the filter unit, it is possible to prevent clogging of the inlet during the feeding process, thereby improving the efficiency of adding menthol.

Meanwhile, in the above-described embodiment, the menthol crystal is pulverized in the processing apparatus, and then the solid menthol is introduced into the filter unit by the tobacco filter manufacturing apparatus. In the above-described other embodiment, the supply container is heated by the heating apparatus. After the menthol crystal was melted in the above, the molten menthol melted through the input device is added to the filter unit, but the menthol input method is not limited thereto. That is, in addition to the above-described method, it is natural that menthol can be added to the filter part by other methods such as a spiral method, a screw input method, or the like. Here, the spiral method, the screw input method is a well-known technique, so description thereof will be omitted.

As described above, the present invention has been described with reference to particular embodiments, such as specific elements, and specific embodiments and drawings. However, it should be understood that the present invention is not limited to the above- And various modifications and changes may be made thereto by those skilled in the art to which the present invention pertains. Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

100: solid menthol added cigarettes 110: corner grass
120: filter part 120a, 120b: acetate filter
130: solid menthol 150: processing equipment
160: tobacco film production apparatus

Claims (16)

In the menthol addition method of tobacco which adds a solid menthol to the filter part of a tobacco,
Grinding the menthol crystal as a raw material into the solid menthol of a predetermined size;
Injecting the pulverized solid menthol into the filter unit; And
A menthol application step of applying a menthol solution to the aluminum foil coupled to the inner surface of the cigarette case in which the cigarette is stored;
Including;
In the injecting step, the solid menthol is uniformly added to at least one acetate filter (acetate filter) provided in the filter portion, tobacco menthol addition method.
The method of claim 1,
Method of adding menthol of tobacco to grind the solid menthol in the form of powder or granules of 0.10 to 0.60 millimeters (mm) in the grinding step.
The method of claim 1,
At the step of adding, the solid menthol is added to the menthol of tobacco is injected into the core hollow formed through the filter in the longitudinal direction.
The method of claim 1,
After the solid menthol is added to the acetate filter, the acetate filter is wrapped by filter wrapper menthol of tobacco.
The method of claim 1,
The method of adding a menthol of tobacco is the amount of the solid menthol added to the filter portion in the input step is 2 to 6 milligrams (mg).
delete Keratin; And
A filter unit coupled to the rear end of each corner part and in which solid menthol is uniformly added;
Including;
The filter unit includes at least one acetate filter, the solid menthol is uniformly added to the acetate filter,
The solid menthol is a solid menthol-added tobacco is pulverized in the form of powder or granules of 0.10 to 0.60 millimeters (mm) added to the filter unit.
delete The method of claim 7, wherein
The filter unit, at least one acetate filter, a solid menthol-added tobacco provided with a core hollow through which the solid menthol is penetrated in the axial direction.
The method of claim 7, wherein
Solid menthol added tobacco of the amount of the solid menthol added to the filter portion is 2 to 6 milligrams (mg).
A cigarette case in which the solid menthol added tobacco according to any one of claims 7, 9 or 10 is stored,
To the aluminum foil coupled to the inside of the cigarette case cigarette case, characterized in that the menthol in the solution state is applied.
In the menthol addition method of tobacco which adds a solid menthol to the filter part of a tobacco,
A melting step of applying heat to a menthol crystal as a raw material and melting the molten menthol;
Injecting the molten menthol into the filter unit; And
A temperature dropping step of converting the molten menthol into a solid menthol by lowering the temperature of the filter unit into which the molten menthol is injected;
Including;
During the dosing step, the molten menthol is introduced into the filter unit through the dosing device, and a heating unit for preventing the molten menthol from solidifying when the molten menthol is moved through the dosing device in an adjacent region of the dosing device. Menthol addition method of the cigarette to be attached.
The method of claim 12,
In the melting step, the menthol crystal supplied to the supply vessel is melted into the molten menthol by a heating device that heats the supply vessel from the outside of the supply vessel menthol addition method of tobacco.
delete The method of claim 12,
And an encoder and a solenoid valve in the inlet portion of the injector so that the molten menthol in a predetermined amount is intermittently moved from the injector to the filter unit during the injecting step.
A solid menthol added tobacco produced by the method of adding menthol to tobacco according to any one of claims 12, 13 or 15.

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