JP2023536040A - タバコロッドと、これを含むエアロゾル発生物品およびこれと共に使用されるエアロゾル発生装置 - Google Patents
タバコロッドと、これを含むエアロゾル発生物品およびこれと共に使用されるエアロゾル発生装置 Download PDFInfo
- Publication number
- JP2023536040A JP2023536040A JP2022571344A JP2022571344A JP2023536040A JP 2023536040 A JP2023536040 A JP 2023536040A JP 2022571344 A JP2022571344 A JP 2022571344A JP 2022571344 A JP2022571344 A JP 2022571344A JP 2023536040 A JP2023536040 A JP 2023536040A
- Authority
- JP
- Japan
- Prior art keywords
- aerosol
- tobacco
- segment
- filter
- filter segment
- 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.)
- Granted
Links
- 241000208125 Nicotiana Species 0.000 claims abstract description 220
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Images
Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
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- A24D1/20—Cigarettes specially adapted for simulated smoking devices
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- A—HUMAN NECESSITIES
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- A24F40/46—Shape or structure of electric heating means
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- A—HUMAN NECESSITIES
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- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/48—Fluid transfer means, e.g. pumps
- A24F40/485—Valves; Apertures
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
Description
このような数値範囲内で、挿入時にタバコロッド21が押されたり内部加熱要素132によりフィルターセグメント(e.g.213)が損傷する問題を容易に解決することができ、フィルターセグメント(e.g.213)の損傷部位を通したタバコ顆粒214の脱落現象も最小化することができる。例えば、第2フィルターセグメント213が紙フィルターであり、内部加熱要素132の厚さが厚い場合、挿入時に内部加熱要素132が紙物質に詰まってタバコロッド21が押される問題が発生しうる。または、内部加熱要素132の貫通によって第2フィルターセグメント213が大きく損傷し、損傷部位を通じてタバコ顆粒214が外部に脱落する問題が発生しうる。しかしながら、内部加熱要素132の厚さが例示された数値範囲を有する場合、例示された問題を解決することができる。
サイズが約30メッシュ~45メッシュであるタバコ顆粒を製造し、充填率が約75体積%になるように製造されたタバコ顆粒を投入して、図8に例示された物品2と同じ構造を有するシガレットを製造した。タバコロッド(e.g.21)を構成する二つのフィルターセグメント(e.g.211、213)としては、耐油度(3M Kit Testによって測定された耐油度)が約2である紙物質で製造されたフィルターが用いられた。
耐油度が約6である紙物質で製造されたフィルターが用いられた点を除いて、実施例1と同じシガレットを製造した。
タバコ顆粒のサイズが約20メッシュ~30メッシュである点を除いて、実施例1と同じシガレットを製造した。
充填率が約50体積%になるようにタバコ顆粒を投入した点を除いて、実施例1と同じシガレットを製造した。
充填率が約100体積%になるようにタバコ顆粒を投入した点を除いて、実施例1と同じシガレットを製造した。
フィルターセグメント(e.g.211、213)に投入された紙物質の耐油度が霧化量に及ぼす影響を評価するために、有煙モードで実施例1および2によるシガレットの煙成分を分析して、TPM(Total Particulate Matter)含有量を測定する実験を行った。具体的に、温度が略20℃であり、湿度が略62.5%である喫煙室で図2などに例示されたようなハイブリッド型エアロゾル発生装置を用いて喫煙実験を行い、成分分析のための煙の捕集は、試料別に3回ずつ、1回当たり8パフを基準として反復実施され、3回ずつの捕集結果に対する平均値としてTPM含有量を測定した。実験結果は、下記の表1に記載されている。
タバコ顆粒のサイズがキャビティセグメント(e.g.212)内部の渦流の発生に及ぼす影響を評価するために、実施例1および3によるシガレットに対する喫煙実験を行い、喫煙後にタバコ顆粒が凝集している程度を確認する実験を行った。キャビティセグメント(e.g.212)内部で渦流がよく発生しうるほどタバコ顆粒が均一に混ざって凝集現象が減少するので、喫煙後にタバコ顆粒の凝集程度が渦流の発生程度を示す尺度になり得るためである。実験結果は、図14および図15に示されており、図14および図15は、喫煙後にタバコ顆粒が凝集している程度を撮影したものであり、それぞれ実施例1(約30メッシュ~45メッシュ)と実施例3(約20メッシュ~30メッシュ)に対する実験結果を示す。
タバコ顆粒の充填率がキャビティセグメント(e.g.212)内部の渦流の発生に及ぼす影響を評価するために、実施例1、4および5によるシガレットに対する喫煙実験を行い、喫煙後にタバコ顆粒が凝集している程度を確認する実験を行った。実験結果は、図16~図18に示されている。図16、図17および図18は、喫煙後にタバコ顆粒が凝集している程度を撮影したものであり、それぞれ実施例4(充填率約50体積%)、実施例1(充填率約75体積%)および実施例5(充填率約100体積%)に対する実験結果を示す。
フィルターセグメントの損傷度が大きいほどタバコ顆粒の脱落現象が加速化できるので、内部加熱要素(e.g.132)の厚さおよび形状がフィルターセグメント(e.g.
213)の損傷度に及ぼす影響を評価する実験を行った。具体的には、内部加熱要素の厚さおよび形状を変更しながら、実施例1によるシガレットのフィルターセグメント損傷度を確認する実験を行った。実験結果は、図19~図21に示されている。図19~図21は、内部加熱要素により貫通したフィルターセグメント(e.g.213)の断面を撮影したものであり、それぞれ厚さ約2mmの半円錐型加熱要素、厚さ約2mmの円柱型(棒状)加熱要素および約3mm厚さの円柱型加熱要素に対する実験結果を示す。
Claims (10)
- 第1フィルターセグメントと、
第2フィルターセグメントと、
前記第1フィルターセグメントおよび前記第2フィルターセグメントにより形成され、タバコ物質が充填されたキャビティセグメントと、を含み、
前記第1フィルターセグメントおよび前記第2フィルターセグメントのうち少なくとも一つは、耐油性または耐水性の紙物質を含む、タバコロッド。 - 前記紙物質は、3M Kit Testによる測定値が5以上である、請求項1に記載のタバコロッド。
- 前記第1フィルターセグメントおよび前記第2フィルターセグメントは、いずれも、耐油性または耐水性の紙物質を含む、請求項1に記載のタバコロッド。
- 前記タバコ物質は、タバコ顆粒を含む、請求項1から3のいずれか一項に記載のタバコロッド。
- 前記タバコ顆粒の密度は、0.5g/cm3~1.2g/cm3であり、
前記タバコ顆粒の直径は、0.3mm~1.2mmである、請求項4に記載のタバコロッド。 - 前記キャビティセグメントに対する前記タバコ顆粒の充填率は、80体積%以下であり、
前記第1フィルターセグメントは、前記キャビティセグメントの下流に位置し、50mmH2O/60mm~150mmH2O/60mmの吸引抵抗を有する、請求項4に記載のタバコロッド。 - エアロゾル発生装置と共に使用されるエアロゾル発生物品であって、
第1フィルターセグメントと、第2フィルターセグメントと、前記第1フィルターセグメントおよび前記第2フィルターセグメントにより形成されたキャビティセグメントと、を含み、前記キャビティセグメントにタバコ物質が充填されたタバコロッドと、
フィルターロッドと、を含み、
前記第1フィルターセグメントおよび前記第2フィルターセグメントのうち少なくとも一つは、耐油性または耐水性の紙物質を含む、エアロゾル発生物品。 - 前記フィルターロッドは、冷却セグメントおよびマウスピースセグメントを含む、請求項7に記載のエアロゾル発生物品。
- 前記エアロゾル発生装置は、
エアロゾル形成剤を貯蔵しているカートリッジと、前記カートリッジを加熱してエアロゾルを発生させるカートリッジヒーター部と、を含み、
前記発生したエアロゾルが前記エアロゾル発生物品を通過するように形成された気流パスを有する、請求項7または8に記載のエアロゾル発生物品。 - 前記エアロゾル発生装置は、前記エアロゾル発生物品を加熱するためのヒーター部をさらに含み、
前記ヒーター部は、前記キャビティセグメントのみを外部で加熱するように配置された加熱要素を含む、請求項9に記載のエアロゾル発生物品。
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