KR20210130385A - Filter for smoking article to enhance clove flavor and smoking article including the same - Google Patents

Abstract

A filter for a smoking article to enhance a clove flavor and a smoking article including the same are provided. According to some embodiments of the present invention, the filter for a smoking article comprises: a filter body to which a clove material is added, wherein the filter body includes a filter material; and a filter wrapper surrounding at least a portion of the filter body. Like this, by adding the clove material to the filter, the clove flavor delivered to a smoker can be enhanced.

Description

FILTER FOR SMOKING ARTICLE TO ENHANCE CLOVE FLAVOR AND SMOKING ARTICLE INCLUDING THE SAME

The present disclosure relates to a filter for a smoking article for enhancing clove flavor and a smoking article comprising the same. More particularly, it relates to a filter for a smoking article capable of enhancing the flavor of clove flavor delivered to a smoker, and a smoking article comprising the same.

Kretek cigarettes are clove-flavored cigarettes and are a popular smoking article in Indonesia. The ingredient that plays an important role in enhancing the taste and flavor of Cretec tobacco is eugenol, which also refers to the clove extract (e.g. clove oil) itself containing eugenol.

In order to enhance the taste and flavor of Cretec cigarettes, it is important to increase the amount of eugenol transferred during smoking. For example, a method of directly spraying a clove extract onto a tobacco raw material has been proposed. However, in the proposed method, the clove extract having volatility is lost before smoking, and there is a problem that the clove flavor is not well expressed during smoking.

A technical problem to be solved through some embodiments of the present disclosure is to provide a filter capable of enhancing the flavor of clove flavor and a smoking article including the same.

The technical problems of the present disclosure are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to solve the above technical problem, a filter for a smoking article according to some embodiments of the present disclosure includes a filter body including a clove material and a filter material, and a filter wrapper surrounding at least a portion of the filter body can do.

In some embodiments, the filter material comprises cellulose acetate fibers, and clove extract may be added to the filter material as a plasticizer.

In some embodiments, the amount of the clove material added may be 6 mg to 30 mg.

In some embodiments, the length of the filter body is 15 mm to 25 mm, the diameter of the filter body is 7.5 mm to 8.5 mm, and the suction resistance of the filter body _{may be 60 mmH 2} O or less.

In some embodiments, the length of the filter body is 20mm to 30mm, the diameter of the filter body is 6.5mm to 7.5mm, and the suction resistance of the filter body _{may be 100mmH 2} O or less.

In some embodiments, the filter body comprises a first filter segment and a second filter segment, wherein the clove material is added to the first filter segment, wherein the first filter segment comprises a smoking material when constructing a smoking article. It can be linked to wealth.

In some embodiments, the filter for a smoking article is connected to a smoking material portion to constitute a smoking article, wherein the smoking material portion comprises a tobacco material and a clove material, wherein the clove material has a content of less than 20% compared to the tobacco material and may be included in the smoking material part.

According to various embodiments of the present disclosure described above, by using a pulverized product of a clove plant rather than a clove extract having volatility as a flavoring agent, the expression of clove flavor can be enhanced during smoking.

Effects according to the technical spirit of the present disclosure are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 and 2 illustrate a method of manufacturing a filter for a smoking article in accordance with some embodiments of the present disclosure.
3 is an exemplary diagram schematically illustrating a smoking article according to a first embodiment of the present disclosure;
4 is an exemplary diagram schematically illustrating a smoking article according to a second embodiment of the present disclosure.
5 is an exemplary diagram schematically illustrating a smoking article according to a third embodiment of the present disclosure.
6 is an exemplary diagram schematically illustrating a smoking article according to a fourth embodiment of the present disclosure.

Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. Advantages and features of the present disclosure, and methods for achieving them, will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the technical spirit of the present disclosure is not limited to the following embodiments, but may be implemented in various different forms, and only the following embodiments complete the technical spirit of the present disclosure, and in the technical field to which the present disclosure belongs It is provided to fully inform those of ordinary skill in the scope of the present disclosure, and the technical spirit of the present disclosure is only defined by the scope of the claims.

In adding reference numerals to the components of each drawing, it should be noted that the same components are given the same reference numerals as much as possible even though they are indicated on different drawings. In addition, in describing the present disclosure, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present disclosure, the detailed description thereof will be omitted.

Unless otherwise defined, all terms (including technical and scientific terms) used herein may be used with the meaning commonly understood by those of ordinary skill in the art to which this disclosure belongs. In addition, terms defined in a commonly used dictionary are not to be interpreted ideally or excessively unless clearly defined in particular. The terminology used herein is for the purpose of describing the embodiments and is not intended to limit the present disclosure. As used herein, the singular also includes the plural unless specifically stated otherwise in the phrase.

In addition, in describing the components of the present disclosure, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only for distinguishing the components from other components, and the essence, order, or order of the components are not limited by the terms. When a component is described as being “connected”, “coupled” or “connected” to another component, the component may be directly connected or connected to the other component, but another component is between each component. It should be understood that elements may be “connected,” “coupled,” or “connected.”

As used herein, “comprises” and/or “comprising” refers to a referenced component, step, operation and/or element of one or more other components, steps, operations and/or elements. The presence or addition is not excluded.

First, some terms used in this specification will be made clear.

As used herein, a “smoking article” means any product capable of smoking or a smoking experience, whether based on tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco or tobacco substitutes. It may mean any product that can provide For example, smoking articles may include cigarettes, smokeable products such as cigars and cigarillos, smoking replacement products, and the like.

As used herein, the term “smoking material” may mean a material that generates smoke and/or aerosol or is used for smoking. For example, the smoking material may comprise tobacco material. Tobacco material may include, for example, tobacco leaf pieces, tobacco stems or materials processed therefrom, and the like. As a more specific example, the tobacco material may include pulverized tobacco leaves, pulverized reconstituted tobacco, expanded cornstarch, expanded stems and leaflets, and the like.

As used herein, "upstream" or "upstream direction" means a direction away from the smoker's bend, and "downstream" or "downstream direction" may mean a direction approaching from the smoker's bend. . The terms upstream and downstream may be used to describe the relative positions of the elements constituting the smoking article. For example, in the smoking article 3-1 illustrated in FIG. 3 , the filter part 30 is located downstream or downstream of the smoking material part 40 , and the smoking material part 40 is the filter part 30 . located upstream or upstream of

As used herein, "longitudinal direction" may mean a direction corresponding to the longitudinal axis of the smoking article.

In this specification, a “filter segment” may mean a logically or physically separated region of a filter. A filter segment may correspond to a portion of a single filter or may correspond to a portion of multiple filters.

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

According to some embodiments of the present disclosure, a filter for a smoking article to which a clove material is added (hereinafter abbreviated as “filter”) may be provided. Here, the clove material includes, for example, clove powder (particles) produced by pulverizing or processing clove plants (eg clove leaves, stems, stamens), fragments (pieces) of clove plants, and various clove by-products obtained in the clove processing process (eg clove dust) and the like. However, the present invention is not limited thereto. Such a filter may be combined with a rod of smoking material to constitute a smoking article, thereby enhancing the clove flavor delivered to the smoker. For example, the exemplified clove materials do not dissipate over time because they are not volatile. Accordingly, the flavor of the clove scent transmitted during smoking can be greatly enhanced.

A filter according to embodiments may include a filter body including a filter material and a filter wrapper surrounding at least a portion of the filter body. The filter material may include, for example, cellulose acetate fiber, cellulose (e.g. paper), etc., but is not limited thereto, and may include various materials having a filtering function for smoke/aerosol. For example, the filter material may include an adsorbent comprising carbon, activated carbon, and the like. Clove material may be added between the filter materials, for example. However, the scope of the present disclosure is not limited to these examples.

In some embodiments, the filter material is cellulose acetate fiber (tow), and clove extract may be added as a plasticizer during the manufacturing process of the filter. The present inventors conducted continuous research to develop an eco-friendly/natural plasticizer, and the results of the study surprisingly revealed that the clove extract has the property of plasticizing cellulose acetate tow. In addition, the present inventors experimentally confirmed the fact that the filter to which the clove extract is added as a plasticizer has excellent biodegradability compared to the filter to which an artificial plasticizer (e.g. triacetin) is added. It can be understood that the improved biodegradability of the filter is due to the fact that the clove extract is a natural material extracted from the clove plant. The clove extract contains at least one component of beta-caryophyllene, eugenol, methyl-benzoate, caryophyllene oxide and eugenyl acetate. It may include, but is not limited to. According to this embodiment, by using the clove extract as a plasticizer, a filter having excellent biodegradability can be manufactured. Furthermore, when eugenol and eugenyl acetate-based clove extract are used as plasticizers, the amount of eugenol transfer during smoking is increased, so that the clove flavor delivered to the smoker can be further enhanced.

In the above-described embodiment, a composition of clove extract and artificial plasticizer may be used as a plasticizer of the filter material in order to further improve the performance of the plasticizer. The artificial plasticizer may be, for example, but not limited to, triacetin. The composition ratio of the clove extract and the artificial plasticizer may be, for example, 1:1 to 5:1 or 2:1 to 3:1. Within this numerical range, the plasticizing performance and the biodegradability of the filter can be secured at the same time. However, the scope of the present disclosure is not limited to these examples, and the composition ratio may be appropriately determined in consideration of plasticization performance and biodegradability.

Meanwhile, the length, thickness, shape, structure, size, type, and amount of the clove material (e.g. clove powder) of the filter may be variously designed and manufactured according to the embodiment. For example, the filter may be implemented as a single filter or a multiple filter structure such as a double filter. Also, the filter may include a cavity. For examples of such filters, refer to FIGS. 3 to 5 .

In some embodiments, the clove material may be a grind for the stamen site of a clove plant. For example, the clove material can be obtained by isolating the surgical site from the clove plant and then grinding. Since the eugenol component is concentrated in the surgical site, the intensity and duration of the clove scent can be improved when the pulverized product of the surgical site is added to the filter. In some other embodiments, the clove material may be a clove by-product obtained during the clove processing process. For example, clove dust obtained during clove processing may be added to the filter. In this case, the material cost of the filter can be reduced. In some other embodiments, the clove material may be a pulverization of an entire clove plant. In some other embodiments, the clove material may be a mixture of at least two or more of a pulverized surgical site, a pulverized product of a whole plant, and a clove by-product in a certain ratio. The mixing ratio may be appropriately determined in consideration of factors such as material cost and the strength of clove scent.

Also, in some embodiments, the length of the filter may be between 15 mm and 25 mm, and the diameter of the filter may be between 7.5 mm and 8.5 mm. In addition, the suction resistance of the filter may be 70, 60, 50, 40 or 30mmH ₂ O or less. A method of manufacturing such a filter will be described later with reference to FIG. 1 .

In some other embodiments, the length of the filter may be between 20 mm and 30 mm, and the diameter of the filter may be between 6.5 mm and 7.5 mm. Also, the suction resistance of the filter may be less than or equal to 120, 100, 80 or 60 mmH2O. A method of manufacturing such a filter will be described later with reference to FIG. 2 .

In some embodiments, the clove material may be added in the range of 6 mg to 20 mg. For example, the added amount of the clove material may be 8 mg to 18 mg. In this numerical range, the clove flavor can be enhanced without negatively affecting filter performance and suction resistance.

In some embodiments, the size of the clove material (e.g. powder) may be 0.2 mm or greater. Preferably, the size of the clove material may be 0.2 mm to 1.2 mm, 0.2 mm to 1 mm or 0.3 mm to 1.0 mm. Alternatively, the size of the clove material may be 0.3 mm to 0.8 mm, 0.4 mm to 0.8 mm, or 0.5 mm to 1.0 mm. Alternatively, the size of the clove material may be 0.3mm to 0.5mm, 0.4mm to 0.6mm, 0.6mm to 0.8mm, 0.8mm to 1.0mm. As such, it may be desirable that the size of the clove material be at least a certain size (eg about 0.3 mm), which means that when a fine-sized clove material is added to the filter, dust is generated in the filter or the clove material is adsorbed to the filter material. This is because it can affect the performance of the filter. Alternatively, it is because the fine-sized clove material blocks the passage inside the filter to increase the suction resistance and decrease the amount of atomization.

In some embodiments, the clove material may be added to only a portion of the filter or may be distributed densely in a portion of the filter. For example, if the filter comprises an upstream filter segment and a downstream filter segment connected with a rod of smoking material, the clove material may be added to the upstream filter segment to be densely distributed. As such, when the clove material is concentratedly added to the filter segment close to the smoking material rod, thermal decomposition of the clove material is accelerated, so that the clove flavor can be further enhanced. Hereinafter, an exemplary method of manufacturing such a filter will be described with reference to FIGS. 1 and 2 .

1 and 2 illustrate a method of manufacturing a filter according to some embodiments of the present disclosure.

1 illustrates manufacturing a plurality of filters (e.g. 10-1, 10-3, 10-3) by cutting the filter rod 1 to a predetermined size. 1 illustrates that six filters (10-1 to 10-3, etc.) are manufactured from the filter rod 1, the length of the filter rod 1 and the number of filters manufactured therefrom may vary.

As illustrated in FIG. 1 , clove material may be added to the filter rod 1 at regular intervals (see shading). In addition, individual filters (10-1 to 10-3, etc.) can be manufactured by cutting the filter rod 1 at a specific position (e.g. the middle) of the substance addition region and the non-addition region. In this case, a portion (eg 11) of the region to which the substance is added constitutes one segment of the filter (eg 10-3), and a portion (eg 12) of the non-additive region constitutes another segment of the filter (eg 10-3). will make up

In some embodiments, the length of the filter rod 1 may be about 120 mm, and the length of the filter e.g. 10-3 may be about 20 mm. Also, the diameter of the filter rod 1 may be about 7.7 mm. In addition, the length of the filter segment (e.g. 11) to which the clove material is added may be 8 mm to 12 mm. For example, the length of the filter segment (e.g. 11) may be about 10 mm. Also, about 48 mg to 120 mg of clove material is added per filter rod 1, and as a result, an individual filter (e.g. 10-3) may contain 8 mg to 20 mg of clove material. These figures show that the filter manufacturing speed is improved while satisfying the filter specification requirements, and the clove scent is enhanced without affecting the filter performance and suction resistance.

2 illustrates a method of manufacturing a filter having a slimmer standard than FIG. 1 , and manufacturing a plurality of filters (eg 20-1 to 20-4) by cutting the filter rod 2 to a predetermined size as in FIG. 1 . is foreshadowing 2 illustrates that four filters 20-1 to 20-4 are manufactured from the filter rod 2, the length of the filter rod 2 and the number of filters manufactured therefrom may vary. Since the method of manufacturing the filter is similar to that of FIG. 1 , a description thereof will be omitted.

In some embodiments, the length of the filter rod 2 may be about 100 mm, and the length of the filters e.g. 20-1 to 20-4 may be about 25 mm. Also, the diameter of the filter rod 2 may be about 6.9 mm. In addition, the length of the filter segment (e.g. 21) to which the clove material is added may be 8 mm to 12 mm. For example, the length of the filter segment (e.g. 21) may be about 10 mm and the length of the other filter segment (e.g. 22) may be about 15 mm. Also, about 48 mg to 120 mg of clove material is added per filter rod 1, and as a result, an individual filter (e.g. 10-3) may contain 12 mg to 30 mg of clove material. These figures show that the filter manufacturing speed is improved while satisfying the filter specification requirements, and the clove scent is enhanced without affecting the filter performance and suction resistance.

So far, filters (e.g. 10-3, 20-3) and a manufacturing method thereof according to some embodiments of the present disclosure have been described with reference to FIGS. 1 and 2 . Hereinafter, smoking articles 3-1 to 3-4 including the filters (e.g. 10-3 and 20-3) described above will be described. The filter part 30 of the smoking articles 3-1 to 3-4 mentioned below may be constituted by the filters (e.g. 10-3, 20-3) described above.

3 is an exemplary view schematically showing a smoking article 3-1 according to a first embodiment of the present disclosure.

As shown in FIG. 3 , the smoking article 3 - 1 may include a filter part 30 and a smoking material part 40 . However, only the components related to the embodiment of the present disclosure are illustrated in FIG. 3 . Accordingly, those skilled in the art to which the present disclosure pertains can see that other general-purpose components other than those shown in FIG. 3 may be further included.

The filter unit 30 may include a filter body including a filter material and a filter wrapper surrounding at least a portion of the filter body. The filter unit 30 may be connected to at least one end of both ends of the smoking material unit 40 . For example, the filter unit 30 and the smoking material unit 40 may have a cylindrical shape and are aligned in the longitudinal axis direction, and the smoking material unit 40 may be located at an upstream end of the filter unit 30 . The filter unit 30 and the smoking material unit 40 may be connected by a tipping wrapper, but the scope of the present disclosure is not limited thereto. In some embodiments, the filter unit 30 may also serve as a mouthpiece.

As described above, the clove material 4 may be added to the filter unit 30 , and the clove material 4 may include, for example, a pulverized product of a clove plant. The clove material 4 may be added to one segment of the filter unit 30 , or may be added to the entire filter unit 30 .

Meanwhile, the location or distribution of the addition of the clove material 4 may vary depending on the embodiment. For example, the clove material 4 may be arranged to be uniformly distributed in the filter unit 30 . That is, the clove material 4 may be uniformly disposed between the filter materials (e.g. cellulose acetate fibers). As another example, the clove material 4 may be added to be densely distributed in the upstream segment of the filter unit 30 . In this case, thermal decomposition of the clove material 4 may be accelerated, thereby further enhancing the clove flavor. As another example, the clove material 4 may be added to be densely distributed in the downstream segment. In this case, the scent diffusing effect of the clove material 4 can be more directly transmitted to the smoker.

Next, the smoking material unit 40 may include a smoking material and a wrapper surrounding the smoking material. The smoking material part 40 may be implemented as a smoking material rod having a cylindrical shape, but the scope of the present disclosure is not limited thereto.

In some embodiments, the smoking material may further include additives such as wetting agents, flavoring agents and/or organic acids. For example, the wetting agent may include at least one of glycerin, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol. A humectant can keep moisture in the tobacco material at an appropriate level, softening its intrinsic taste, and enriching the amount of atomization. In addition, flavoring agents include, for example, licorice, sucrose, fructose syrup, isosweet, cocoa, lavender, cinnamon, cardamom, celery, fenugreek, cascarilla, sandalwood, bergamot, geranium, honey essence, rose oil. , vanilla, lemon oil, orange oil, mint oil, cinnamon, caraway, cognac, jasmine, chamomile, menthol, cinnamon, ylang-ylang, sage, spearmint, ginger, coriander, clove substance (eg clove powder), clove extract or coffee and the like.

In some embodiments, the smoking material may comprise a clove material. For example, the clove material may include clove powder, clove plant fragments (pieces), etc. produced by grinding or processing clove plants (e.g. clove leaves). In this case, since a crackling sound (or kritek-critek) is generated during smoking, an auditory effect is added to the clove scent and flavor, thereby providing a more improved smoking experience to the smoker. .

In the above-described embodiment, the clove material may be included in the smoking material unit 40 in an amount of less than 20% (wt%) compared to the tobacco material. That is, a much smaller amount of clove material than that of a general Cretec cigarette may be included in the smoking material unit 40 , which can sufficiently enhance the clove flavor by the clove material 4 added to the filter unit 30 . Because. According to this embodiment, as the content of the clove material in the smoking material part 40 is greatly reduced, the material cost of the smoking article 3-1 can be reduced.

Also, in some embodiments, a polysaccharide material (eg, cellulose, starch, glycogen, etc.) may be added to the smoking material portion 40 to enhance the sound generating effect of the smoking article 3 - 1 . The surprising fact that a polysaccharide material generates sound when it is burned has been revealed during the course of continuous research, and the present inventors have confirmed that a certain sound is generated as the crystal structure is broken when the polysaccharide material is burned through an experiment. According to the present embodiment, the polysaccharide material added to the smoking material unit 40 acts as a sound generating factor during smoking, so that the sound generating effect of the smoking article 3-1 may be increased.

In the above-described embodiment, the polysaccharide material may be added in place of the clove material, or may be added together with the clove material. The polysaccharide material may be processed into, for example, particles, sheets, and elongated objects (eg toothpick shapes) and added to the smoking material portion 40 , but the technical scope of the present disclosure is not limited thereto. . As a more specific example, the polysaccharide material in the form of particles may be added to the smoking material portion 40 or a wrapper that wraps the smoking material. As another example, the polysaccharide material in the form of a sheet may be added to the smoking material portion 40 together with the tobacco sheet or disposed on the wrapper. As another example, the polysaccharide material in the form of an elongated object may be added to the smoking material portion 40 in a cut state or an uncut state in the smoking material portion 40 . According to the present embodiment, the sound generating effect of the smoking article 3 - 1 is increased, so that a more improved smoking experience can be provided to the smoker. Furthermore, since the polysaccharide material (e.g. starch) is generally very inexpensive, the material cost of the smoking article 3-1 can be further reduced. Furthermore, since the polysaccharide material (e.g. starch) is a safe material that humans ingest as food, the safety of the smoking article 3-1 is ensured and the cost of the safety test can be greatly reduced.

So far, the smoking article 3-1 according to the first embodiment of the present disclosure has been described with reference to FIG. 3 . As described above, as the clove material 4 is added to the filter unit 30, the clove flavor transmitted to the smoker may be enhanced. Hereinafter, the smoking article 3 - 2 according to the second embodiment of the present disclosure will be described with reference to FIG. 4 .

4 is an exemplary view schematically showing a smoking article 3 - 2 according to a second embodiment of the present disclosure. Hereinafter, descriptions of contents overlapping with the previous embodiments will be omitted for clarity of the specification.

As shown in FIG. 4 , the filter unit 30 of the smoking article 3-2 has a multi-filter structure including a first filter unit 31 and a second filter unit 32 . Although FIG. 4 illustrates that the filter unit 30 of the smoking article 3-2 is configured as a double filter as an example, this is only for convenience of understanding, and the number of filters may vary.

In this embodiment, the clove material 4 may be added to at least one of the first filter unit 31 and the second filter unit 33 .

For example, as illustrated in FIG. 4 , the clove material 4 may be added to the first filter portion 31 located close to the smoking material portion 40 of the smoking article 3 - 2 . In this case, thermal decomposition of the clove material 4 may be accelerated, thereby further enhancing the clove flavor.

As another example, the clove material 4 may be added to the second filter portion 32 located at the downstream end of the smoking article 3 - 2 . In this case, the fragrance effect of the clove extract may be more directly transmitted to the smoker.

As another example, the clove material 4 may be added to both the first filter unit 31 and the second filter unit 32 . The amount of the clove material 4 added to the first filter unit 31 may be the same as that of the second filter unit 32 or more.

So far, the smoking article 3-2 according to the second embodiment of the present disclosure has been described with reference to FIG. 4 . Hereinafter, a smoking article 3 - 3 according to a third embodiment of the present disclosure will be described with reference to FIG. 5 .

5 is an exemplary diagram schematically showing a smoking article 3 - 3 according to a third embodiment of the present disclosure.

As shown in FIG. 5 , the smoking article 3 - 3 may include a first filter part 51 , a second filter part 53 , a cavity 52 , and a smoking material part 40 . The cavity 52 may be formed between the first filter unit 51 and the second filter unit 53 .

In this embodiment, a clove material 4 may be added inside the cavity 52 . By doing so, it can be prevented in advance that the clove material 4 negatively affects the performance of the filter part 30 . In addition, since the clove material 4 is densely added inside the cavity 52 , the scent diffusing effect of the clove material 4 may be enhanced.

In some embodiments, the first filter unit 51 and the second filter unit 53 may have different lengths. For example, the length of the first filter unit 51 located on the upstream side may be shorter than that of the second filter unit 53 . In this case, the cavity 52 is positioned close to the smoking material portion 40 and thermal decomposition of the clove material 4 may be promoted. As another example, the length of the first filter unit 51 may be longer than that of the second filter unit 53 . In this case, since the cavity 52 is located close to the bent side, the clove scent can be more directly transmitted to the smoker.

So far, the smoking article 3 - 3 according to the third embodiment of the present disclosure has been described with reference to FIG. 5 . According to the above description, since the clove material 4 is densely distributed inside the cavity 32 , the clove scent of the smoking article 3 - 3 can be enhanced. Hereinafter, a smoking article 3-4 according to a fourth embodiment of the present disclosure will be described with reference to FIG. 6 .

6 is an exemplary diagram schematically showing a smoking article 3-4 according to a fourth embodiment of the present disclosure.

As shown in FIG. 6 , the smoking article 3-4 may include a filter portion 30 and a smoking material portion 40 . The filter unit 30 may be formed of a single filter or multiple filters.

In this embodiment, the clove material 4 may be added to the smoking material portion 40 rather than the filter portion 30 . By doing so, it can be prevented in advance that the clove material 4 has a negative effect on the filter performance.

So far, the smoking article 3 - 4 according to the fourth embodiment of the present disclosure has been described with reference to FIG. 6 . As described above, by adding the clove material 4 to the smoking material portion 40 , the clove flavor of the smoking article 3-4 can be enhanced without adversely affecting the filter performance.

Meanwhile, according to some other embodiments of the present disclosure, the clove material 4 may be added to the wrapper. For example, the clove material 4 may be added inside the pulp layer constituting the paper wrapper. In this case, the basis weight of the wrapper may be 30 g/m ² to 60 g/m ² , preferably 35 g/m ² to 55 g/m ² , more preferably 40 g/m ² to 50 g/m ² or 42 g/m ^It may be 2 to 48 g/m ^{2 .} This is because an appropriate amount of the clove material 4 can be easily added only when the wrapper has a thickness of at least a certain amount. As another example, the clove material 4 may be added to a separate sheet or film, and the sheet or film may be attached around the wrapper. The wrapper may include, for example, a filter wrapper, a tipping wrapper, a wrapper surrounding the smoking material portion 40 , and the like. According to this embodiment, the clove scent of smoking articles (eg 3-1 to 3-4) can be enhanced without affecting suction resistance or filter performance.

Also, in some embodiments, the wrapper, the sheet or the film may be subjected to a flavoring treatment. For example, a flavoring treatment may be performed with clove extract (e.g. eugenol), and in this case, the flavor of clove scent delivered to a smoker may be further enhanced.

The first to fourth embodiments described so far may be combined in various forms. For example, to further increase the amount of eugenol transfer, a clove material 4 may be added to both the filter portion 30 and the smoking material portion 40 .

So far, smoking articles 3-1 to 3-4 according to some embodiments of the present disclosure have been described with reference to FIGS. 3 to 6 . As described above, when the clove material is added to the filter, smoking articles 3-1 to 3-4 with enhanced clove flavor can be produced.

Meanwhile, in some other embodiments of the present disclosure, the clove material is a volatile clove extract (e.g. clove oil) extracted from a clove plant, and the clove extract may be added to the filter in the form of granules. For example, flavor granules comprising clove extract may be added to the entire filter, to a specific segment of the filter (e.g. the upstream segment), to the cavity, and the like. Flavor granules can be prepared to have a porous structure. Since the porous structure can prevent the clove extract from volatilizing due to its structural characteristics, it is possible to improve the flavor retention of the flavor granules.

In the above-described embodiment, the flavor granules having a porous structure may be manufactured through a top spray-based primary manufacturing process and a rotary spray-based secondary manufacturing process. To elaborate on each manufacturing process, in the primary manufacturing process, the clove extract may form atypical (e.g., spherical with a rough surface) flavor granules through the top spray method. In the secondary manufacturing process, the shape and surface properties of hyalmi granules can be improved through the rotary spray method. Flavor granules formed by the top spray method are generally weak in hardness and have irregular and irregular surface properties (e.g. rough and non-uniform surfaces), so they may be easily broken or finely divided by friction. The secondary manufacturing process may be understood as a process of improving the physical properties of the flavor granules by smooth coating the surface of the flavor granules. The top spray and rotary spray methods are one of the fluidized bed granulation manufacturing techniques. Those skilled in the art will be able to clearly understand the operation principle of each method, and a more detailed description of each method will be omitted.

In some embodiments, additional substances may be added during the flavor granule manufacturing process. For example, tobacco material such as tobacco powder and clove material such as clove powder may be further added during the manufacturing process. The flavor granules to which tobacco powder is added may be used to simultaneously enhance the amount of eugenol and nicotine migration, and the flavor granules to which clove powder is added may be used to further enhance the clove flavor.

In addition, in some embodiments of the present disclosure, the clove material may be a liquid clove extract (eg clove oil) extracted from a clove plant, and the filter material may be a cellulosic material (eg paper) whose bulk is greater than or equal to a reference value. . For example, the bulk of the cellulose material may be at least ^{1.0cm 3 / g, 2.0cm 3 /} g, 2.5cm 3 / g or 3.0cm ³ / g. Here, the bulk refers to the value obtained by dividing the thickness by the basis weight. Since the high bulk cellulosic material contains many pores therein, it can accommodate a large amount of perfume. Also, this makes it possible to add a large amount of perfume to the filter. Fragrance development can be doubled. In addition, since the high bulk cellulosic material can suppress the rapid volatilization of volatile fragrance liquids such as clove extract through a complex pore structure, the fragrance persistence of the filter can also be improved.

Hereinafter, a practical embodiment of a filter for a smoking article for enhancing the clove scent will be introduced.

Table 1 below shows the specifications of the filter rods according to Embodiments 1 to 4 and the addition amount of the clove material (4).

division Length (mm) perimeter/diameter (mm) Suction resistance (mmH ₂ O) Amount added (mg/rod) Embodiment 1 120 24.2/7.7 200 50 Embodiment 2 120 24.2/7.7 200 100 embodiment 3 100 21.8/6.94 350 50 embodiment 4 100 21.8/6.94 350 100

Table 2 below shows the content of the eugenol component (ie, eugenol transfer amount) contained in the smoke/aerosol of the smoking article prepared from the filter rod of Table 1. Six filters (smoking articles) were prepared from the filter rods according to embodiments 1 and 2 (see FIG. 1 ), and four filters (smoking articles) were prepared from the filter rods according to embodiments 3 and 4, and the eugenol component The content of was measured based on the filter load.

division Eugenol component (mg/rod) Embodiment 1 2,462 Embodiment 2 4,294 embodiment 3 3,383 embodiment 4 7,443

As shown in Table 2 above, it was found that the amount of eugenol transferred in the smoking article increased as the amount of clove material added to the filter according to the embodiment increased. As a result, the clove material added to the filter effectively improved the clove flavor. Although embodiments of the present disclosure have been described above with reference to the accompanying drawings, those of ordinary skill in the art to which the present disclosure pertains can change the present disclosure without changing its technical spirit or essential features. It can be understood that the embodiment may also be implemented in a specific form. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. The protection scope of the present disclosure should be interpreted by the following claims, and all technical ideas within the equivalent range should be construed as being included in the scope of the technical ideas defined by the present disclosure.

1, 2: filter load
3-1, 3-2, 3-3, 3-4: smoking articles
10-1, 10-2, 10-3, 20-1, 20-2, 20-3, 20-4, 30: filter (filter part)
40: smoking material part
52: cavity
4: clove substance

Claims (10)

a filter body comprising a clove material and a filter material; and
a filter wrapper surrounding at least a portion of the filter body;
Filters for smoking articles. According to claim 1,
wherein the filter material comprises cellulose acetate fibers;
Clove extract is added to the filter material as a plasticizer,
Filters for smoking articles. According to claim 1,
Wherein the clove material comprises a pulverized product of a clove plant,
Filters for smoking articles. 4. The method of claim 3,
The pulverized product is a pulverized stamen site of the clove plant,
Filters for smoking articles. According to claim 1,
The added amount of the clove material is 6 mg to 30 mg,
Filters for smoking articles. According to claim 1,
The length of the filter body is 15mm to 25mm,
The diameter of the filter body is 7.5mm to 8.5mm,
The suction resistance of the filter body is 60mmH ₂ O or less,
Filters for smoking articles. According to claim 1,
The length of the filter body is 20mm to 30mm,
The diameter of the filter body is 6.5mm to 7.5mm,
The suction resistance of the filter body is 100mmH ₂ O or less,
Filters for smoking articles. According to claim 1,
the filter body comprises a first filter segment and a second filter segment;
the clove material is added to the first filter segment;
wherein the first filter segment is connected with a smoking material portion when constructing a smoking article;
Filters for smoking articles. 9. The method of claim 8,
The length of the first filter segment is 8mm to 12mm,
Filters for smoking articles. According to claim 1,
The filter for smoking article is connected to the smoking material part to constitute a smoking article,
The smoking material part comprises a tobacco material and a clove material,
The clove material is included in the smoking material part in an amount of less than 20% compared to the tobacco material,
Filters for smoking articles.

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