JPS62198377A - Filter and tobacco with filter - Google Patents
Filter and tobacco with filterInfo
- Publication number
- JPS62198377A JPS62198377A JP3827386A JP3827386A JPS62198377A JP S62198377 A JPS62198377 A JP S62198377A JP 3827386 A JP3827386 A JP 3827386A JP 3827386 A JP3827386 A JP 3827386A JP S62198377 A JPS62198377 A JP S62198377A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- liquid
- cigarette
- capsule
- absorbing material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000208125 Nicotiana Species 0.000 title 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 title 1
- 239000007788 liquid Substances 0.000 claims description 33
- 235000019504 cigarettes Nutrition 0.000 claims description 31
- 239000002775 capsule Substances 0.000 claims description 27
- 239000011358 absorbing material Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 10
- 239000011247 coating layer Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 235000003599 food sweetener Nutrition 0.000 claims description 6
- 239000003205 fragrance Substances 0.000 claims description 6
- 239000003765 sweetening agent Substances 0.000 claims description 6
- 239000000796 flavoring agent Substances 0.000 claims description 3
- 235000019634 flavors Nutrition 0.000 claims description 3
- -1 flavoring Substances 0.000 claims description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 6
- 229960002715 nicotine Drugs 0.000 description 6
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 6
- 230000000391 smoking effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 244000246386 Mentha pulegium Species 0.000 description 3
- 235000016257 Mentha pulegium Nutrition 0.000 description 3
- 235000004357 Mentha x piperita Nutrition 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000001050 hortel pimenta Nutrition 0.000 description 3
- 230000005586 smoking cessation Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 244000223760 Cinnamomum zeylanicum Species 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 235000017803 cinnamon Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 244000144730 Amygdalus persica Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 240000008790 Musa x paradisiaca Species 0.000 description 1
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000013532 brandy Nutrition 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007721 medicinal effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 210000005259 peripheral blood Anatomy 0.000 description 1
- 239000011886 peripheral blood Substances 0.000 description 1
- 208000026435 phlegm Diseases 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229940000044 respiratory system drug Drugs 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 235000015041 whisky Nutrition 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
この発明は煙草の味をよくしたり、ニコチンを除去する
ことができたり、或いは禁煙用にも利用することができ
るフィルターと、フィルター付き煙草とに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a filter that can improve the taste of cigarettes, remove nicotine, or can be used for smoking cessation, and a cigarette with a filter.
タール、ニコチン、一酸化炭素は煙草の3害悪の元凶と
いわれており、咳、痰、ガン等の発生源となる他、末梢
血管を収縮させて心臓血管系や胃に悪影響を及ぼし、或
いは全身的酸素不足を招くこと等は衆知のことであるが
、強力な習慣性を有するため喫煙者が禁煙することは至
難である。Tar, nicotine, and carbon monoxide are said to be the cause of the three harmful effects of smoking, and in addition to being the source of coughs, phlegm, and cancer, they also constrict peripheral blood vessels, adversely affecting the cardiovascular system and stomach, and can cause damage to the entire body. Although it is widely known that smoking can lead to a lack of oxygen, it is extremely difficult for smokers to quit smoking as it is highly addictive.
この発明は禁煙用に利用することができたり、ニコチン
やタールを除去することができたり、或いは味をよくす
ることができる多機能的フィルターと、フィルター付き
煙草を提供することを目的とするものであって、上記目
的に沿うこの発明のフィルターの1つは、液体を含浸さ
せた吸液材外周に防水被膜層を形成したカプセルを内在
させたことを特徴とし、他の1つのフィルターは、上記
フィルターがパイプ内に収納されたことを特徴とする。The purpose of this invention is to provide a multifunctional filter that can be used for smoking cessation, remove nicotine and tar, or improve taste, and a cigarette with a filter. One of the filters of the present invention that meets the above object is characterized by having a capsule in which a waterproof coating layer is formed on the outer periphery of a liquid-absorbing material impregnated with a liquid, and the other filter is: The filter is characterized in that the filter is housed in a pipe.
またこの発明のフィルター付き煙草は、煙草の一側に前
記フィルターを取付けたことを特徴とする。Further, the filter-equipped cigarette of the present invention is characterized in that the filter is attached to one side of the cigarette.
以下この発明の実施例を添付図面を参照して詳細に説明
する。Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
第1図(A)(B)(C)は、液体を含浸させた吸液材
外周に防水被膜層を形成したカプセル1を、フィルター
本体2内に内在させたフィルター3例を示し、フィルタ
ーAは1個のフィルター本体2外周に紙3を巻き回した
ものであり、フィルターB及びCは1個のフィルター本
体2とカプセルが内在しないフィルター本体2′の外周
に紙3を巻回したものである。そしてカプセル1は何れ
も棒状に形成され、フィルター本体2の長さ方向に、ま
たフィルター本体2を貫通して配設されているが、製造
を使ならしめるために貫通されたまでで、必ずしも貫通
させる必要はない。Figures 1 (A), (B), and (C) show three examples of filters in which a capsule 1 with a waterproof film layer formed around the outer periphery of a liquid-absorbing material impregnated with a liquid is housed within a filter body 2; Filters B and C have paper 3 wound around the outer circumference of one filter body 2, and filters B and C have paper 3 wound around the outer circumference of one filter body 2 and a filter body 2' that does not contain a capsule. be. Each of the capsules 1 is formed into a rod shape, and is disposed in the length direction of the filter body 2 and through the filter body 2. There's no need to do it.
そしてカプセル1はフィルター本体2の中心部に配設し
てもよいが、その配設位置及び個数は実施例に限定され
るものではなく、1または複数個を任意の位置に配設す
ることができる。フィルター本体も紙3内に1または複
数個設けることができ、そのうちの1または複数個にカ
プセルを内在させることができる。また紙3はそれ自体
防水紙であつてもよく、防水層を設けてもよい。カプセ
ル1は液体を含浸させた吸液材例えば繊維集合体や海綿
のような多孔■体外周に防水被膜層を形成したもので、
液体を含浸させた棒状吸液材の外周に防水紙や合成樹脂
シート集を■回して糊付けし、所望の長さに切断した後
両側の端面を防水処理したり、棒状吸液材の外周に熱可
塑性合成樹脂を巻回し、熱圧接後切断したり、或いは棒
状吸液材の外周に■■した合成樹脂層を設け周化させる
こと等によりつくることができる。尚この場合は吸液材
に含浸した液体を凍らせておくことが好ましい。また液
体を含浸した吸液材を防水シートでパックすることも一
法であり、真空パックするときも液体を凍らせておくこ
とが好ましい。尚液体には水、香料、甘味料、薬液、の
うちの1または2以上を混合して、或いは単純で使用す
ることができ、香料にはハッカ、シナモン、バナナ、桃
等の香料の他、ブランデー、ウイスキー等が使用され、
甘味料には黒糖液等が、薬液には呼吸器系の薬液やニコ
チン中和剤等が使用される。The capsule 1 may be arranged at the center of the filter body 2, but the arrangement position and number thereof are not limited to the embodiments, and one or more capsules may be arranged at any arbitrary position. can. One or more filter bodies can also be provided within the paper 3, and one or more of them can have a capsule embedded therein. Further, the paper 3 itself may be a waterproof paper or may be provided with a waterproof layer. Capsule 1 is made of a liquid-impregnated liquid-absorbing material, such as a fiber aggregate or a porous sponge, with a waterproof coating layer formed around the body.
Wrap waterproof paper or a collection of synthetic resin sheets around the outer periphery of a bar-shaped liquid-absorbing material impregnated with liquid and glue it.After cutting it to the desired length, waterproof the ends on both sides. It can be made by winding a thermoplastic synthetic resin, heat-pressing it and then cutting it, or by forming a synthetic resin layer around the outer periphery of a bar-shaped liquid-absorbing material. In this case, it is preferable to freeze the liquid impregnated into the absorbent material. Another method is to pack a liquid-impregnated absorbent material with a waterproof sheet, and it is preferable to freeze the liquid even when vacuum-packing. The liquid can be used in combination with one or more of water, flavorings, sweeteners, and medicinal liquids, or can be used simply, and flavorings include peppermint, cinnamon, banana, peach, etc. Brandy, whiskey, etc. are used,
The sweetener used is brown sugar liquid, and the medicinal solution used is a respiratory system drug or a nicotine neutralizer.
次に上記したフィルターを取付けたフィルター付き煙草
一例を、フィルターBを使用したものにつき説明する。Next, an example of a filter-equipped cigarette using the filter B will be explained.
第2図は(A)は煙草本体4の外周に紙5を巻いた紙巻
煙草の一側にフィルターBを取付けたフィルター付き煙
草1例を示し、第2図(B)に示されるようにカプセル
の内在する部位をフィルターの上から指でつまんで抑圧
し、或いは抑圧しながらもむと、カプセル1の防水被膜
層が破れ、吸液材内の液体はフィルター内或いは更に紙
巻煙草内に拡散し、押圧を解くと第2図(C)の状態に
なる。In FIG. 2, (A) shows an example of a cigarette with a filter, in which a filter B is attached to one side of a cigarette in which paper 5 is wrapped around the periphery of the cigarette body 4, and a capsule is shown in FIG. 2 (B). When the part containing the filter is pinched with your fingers and squeezed, or squeezed while being pressed, the waterproof coating layer of the capsule 1 is torn, and the liquid in the absorbent material diffuses into the filter or further into the cigarette. When the pressure is released, the state shown in FIG. 2(C) is achieved.
この状態で煙草に火を付けて喫煙すると、フィルター本
体2内に拡散した液体が水であれば煙は水を介して喫煙
されることになり、フィルター本来の機能に加えて、ニ
コチン等が水に吸着されることにより、一種の水煙草の
ような効果を要する。また液体がハツカ等の香料であれ
ば、ハツカ等の香気を楽しむことができる。またフィル
ター本体2にもカプセルを内在させておき、このカプセ
ルの液体を拡散させるときは、液体が香料であれば、水
煙草の効果に加えて香気を楽しむこともできる。また両
方の液体が例えばハツカとシナモンである場合は、好み
の香料のみを拡散させて喫煙することができる。従つて
フィルター内に内在するカプセルは1または枚数であつ
てもよく、液体は香料、甘味料、薬液及び水のうちの1
または2以上であつてもよく混合液であつてもよい。そ
してカプセルを防火の目的で使用するときは、カプセル
の防水被膜層を破ることなく喫煙し、喫煙を終つた後防
水被膜層を破れば、煙草の火を水等の液体で消すことが
できる。尚この場合はフィルターを押圧して煙草の方へ
しごけば液体は煙草の方へより多く拡散する。また紙5
のフィルター側を防水処理してよいことはいう迄もない
。図中10は拡散した液体を示す。When you light a cigarette and smoke it in this state, if the liquid diffused inside the filter body 2 is water, the smoke will be smoked through the water, and in addition to the original function of the filter, nicotine etc. It has a kind of hookah-like effect by being adsorbed to it. Further, if the liquid is a fragrance such as peppermint, the user can enjoy the fragrance of peppermint and the like. Moreover, when a capsule is built into the filter body 2 and the liquid in the capsule is diffused, if the liquid is a fragrance, the user can enjoy the fragrance in addition to the effect of hookah. Furthermore, if both liquids are, for example, honey and cinnamon, it is possible to diffuse and smoke only the flavor of your choice. Therefore, the number of capsules contained within the filter may be one or more, and the liquid may be one of flavor, sweetener, liquid medicine, and water.
Alternatively, it may be two or more, and may be a mixed liquid. When using the capsule for fire prevention purposes, smoke without breaking the waterproof coating layer of the capsule, and by tearing the waterproof coating layer after smoking, the cigarette flame can be extinguished with a liquid such as water. In this case, if you press the filter and squeeze it toward the cigarette, more liquid will diffuse toward the cigarette. Also paper 5
It goes without saying that the filter side of the filter may be waterproofed. In the figure, 10 indicates a diffused liquid.
以上フィルター付き煙草1例について説明したが、第3
図(A)(B)に示されるフィルターCまたはC′付き
煙草のように、煙草内にもカプセル1を内在させること
ができる。この場合は煙草の火がカプセルに接すると、
防水皮膜層が火で燃え破れて液体に接し自然消化する。Above we have explained one example of cigarettes with a filter, but the third example
The capsule 1 can also be contained within a cigarette, as in the cigarette with filter C or C' shown in Figures (A) and (B). In this case, when the cigarette comes into contact with the capsule,
The waterproof film layer is burnt out by fire and comes into contact with liquid and is naturally extinguished.
尚抑圧して人為的に防水皮膜層を破り、液体を拡散させ
て消化したり、香気を楽しむことができることもいう迄
もない。またフィルター本体での中に粒状のカプセルを
内在させてもよい。It goes without saying that it is also possible to artificially break the waterproof film layer by suppressing the liquid, allowing the liquid to diffuse and be digested, and the aroma to be enjoyed. Further, granular capsules may be incorporated within the filter body.
第6図はフイルタ−Aをパイプ本体11内に収納し、吸
口12をパイプ本体11に着脱自在に内■休止したパイ
プ状フイルタ−1例を示し、パイプ本体11の他側には
煙草差し込み口11aが形成され、煙草差し込み口11
aは通気孔11bによりパイプ本体11の内部に連通し
ている。Fig. 6 shows an example of a pipe-shaped filter in which the filter A is housed in the pipe body 11 and the mouthpiece 12 is detachably inserted into the pipe body 11.The other side of the pipe body 11 has a cigarette insertion port. 11a is formed, and the cigarette receptacle 11
a communicates with the inside of the pipe body 11 through a ventilation hole 11b.
そしてパイプ本体11は指で抑圧したとき凹玉ような材
質でつくられており、パイプ本体11を指でつまんで抑
圧しカプセル1の防水皮膜層を破れば液体がフィルター
内に拡散する。そこで煙草差し込み口11aに煙草を差
し込み火を付けて喫煙する。いわば第2図に示されるフ
ィルター付き煙草のフィルターと煙草を着脱自在とした
ようなものであるが、パイプ状フィルターを選択するこ
とにより、好みの香料を楽しむことができたり、薬効を
期待することができる。The pipe body 11 is made of a material that looks like a concave ball when pressed with fingers, and if the pipe body 11 is pinched and pressed with fingers to break the waterproof film layer of the capsule 1, the liquid will diffuse into the filter. Then, the user inserts a cigarette into the cigarette receptacle 11a, lights it, and smokes it. In other words, it is like the filter of the filter-equipped cigarette shown in Figure 2 and the cigarette can be attached and detached, but by selecting a pipe-shaped filter, you can enjoy your favorite flavorings and expect medicinal effects. I can do it.
また煙草を使わず香料等のみを楽しむときは禁煙用とし
て利用することもできる。It can also be used as a non-smoking device when you only want to enjoy fragrances and the like without using cigarettes.
次にカプセル付きに付き更に詳しく説明する。Next, the case with a capsule will be explained in more detail.
カプセル1は液体を含浸させた吸液材の外周に防水皮膜
層を設けたものであるが、第5図(A)のカプセル1′
のように、吸液材7を包む防水皮膜層9の内側に砂や金
属等の小粒(■であつくてもよい)8を固着しておいて
もよい。また小粒は第5図(B)のカプセル1″のよう
に、防水被膜層9の外側に固着してもよく、第5図(C
)のカプセル1″′のように紡水被膜層9の内側両側に
固着してもよい。第4図はカプセル1′を内在させたフ
ィルター本体2を示すが、硬質の小粒が防水被膜層に固
着されていると、指でつまんで抑圧しながらもむとき防
水被膜層が破れやすい。Capsule 1 is made by providing a waterproof film layer around the outer periphery of a liquid-absorbing material impregnated with liquid.
As shown in the figure, small particles (■ may be thick) 8 of sand, metal, etc. may be fixed to the inside of the waterproof film layer 9 surrounding the liquid-absorbing material 7. Further, the small particles may be fixed to the outside of the waterproof coating layer 9, as in the case of capsule 1'' shown in FIG.
) may be fixed to both sides of the inside of the water-spun coating layer 9, as in the case of capsules 1''. If it is stuck, the waterproof coating layer is likely to tear when you pinch it with your fingers and squeeze it while squeezing it.
この発明で1実施例に使用したものまたは方法が他の実
施例に適切であれば、これを使用し、利用し、若しくは
応用することができる。Anything or a method used in one embodiment of this invention can be used, utilized, or adapted as appropriate for other embodiments.
この発明は前記のように構成され、煙草の味を良くした
り、ニコチン等を除去することができたり、禁煙用にも
利用できる等、多々の効果を差っする。This invention is constructed as described above, and has many effects such as improving the taste of cigarettes, removing nicotine, etc., and being usable for smoking cessation.
第1図(A)(B)(C)はフイルタ−3例の断面図、
第2図(A)(B)(C)はフィルター付き煙草1例の
作用説明図、第3図(A)(B)はフィルター付き煙草
2例の断面図、第4図はフィルター1例の断面図、第5
図(A)(B)(C)はカプセル3例の断面図、第6図
はパイプ状フイルタ−1例の断面図である。FIG. 1 (A), (B), and (C) are cross-sectional views of three examples of filters.
Figures 2 (A), (B), and (C) are action explanatory diagrams of one example of a cigarette with a filter, Figures 3 (A) and (B) are cross-sectional views of two examples of cigarettes with a filter, and Figure 4 is a diagram of one example of a cigarette with a filter. Cross section, 5th
Figures (A), (B), and (C) are cross-sectional views of three examples of capsules, and FIG. 6 is a cross-sectional view of one example of a pipe-shaped filter.
Claims (6)
したカプセルを内在させたことを特徴とするフィルター
。(1) A filter characterized by incorporating a capsule in which a waterproof coating layer is formed around the outer periphery of a liquid-absorbing material impregnated with a liquid.
以上で構成されていることを特徴とする、特許請求の範
囲第1項記載のフィルター。(2) The liquid is one or two of water, flavoring, sweetener, and medicinal solution.
The filter according to claim 1, characterized by having the above structure.
したカプセルを内在させたフィルターが、パイプ内に収
納されていることを特徴とするパイプ状フィルター(3) A pipe-shaped filter characterized in that a filter containing a capsule in which a waterproof film layer is formed around the outer periphery of a liquid-absorbing material impregnated with liquid is housed in a pipe.
2以上で構成されていることを特徴とする、特許請求の
範囲第3項記載のパイプ状フィルター。(4) The pipe-shaped filter according to claim 3, wherein the liquid is composed of one or more of water, fragrance, sweetener, and medicinal liquid.
成したカプセルが内在するフィルターを一側に取けたを
特徴とするフィルター付 き煙草。(5) A cigarette with a filter, characterized in that a filter containing a capsule containing a waterproof film layer on the outer periphery of a liquid-absorbing material impregnated with a liquid is attached on one side.
2以上で構成されていることを特徴とする、特許請求の
範囲第5項記載のフィルター付き煙草。(6) The filter-equipped cigarette according to claim 5, wherein the liquid is composed of one or more of water, flavor, sweetener, and medicinal liquid.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3827386A JPS62198377A (en) | 1986-02-25 | 1986-02-25 | Filter and tobacco with filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3827386A JPS62198377A (en) | 1986-02-25 | 1986-02-25 | Filter and tobacco with filter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62198377A true JPS62198377A (en) | 1987-09-02 |
Family
ID=12520700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3827386A Pending JPS62198377A (en) | 1986-02-25 | 1986-02-25 | Filter and tobacco with filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62198377A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6748956B2 (en) | 2002-03-22 | 2004-06-15 | Hiromichi Yamashita | Cigarette filter and cigarette |
WO2016151683A1 (en) * | 2015-03-20 | 2016-09-29 | 日本たばこ産業株式会社 | Smoking article filter and smoking article |
-
1986
- 1986-02-25 JP JP3827386A patent/JPS62198377A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6748956B2 (en) | 2002-03-22 | 2004-06-15 | Hiromichi Yamashita | Cigarette filter and cigarette |
WO2016151683A1 (en) * | 2015-03-20 | 2016-09-29 | 日本たばこ産業株式会社 | Smoking article filter and smoking article |
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