200932130 九、發明說明： 【發明所屬之技術領域】 本發明係有關一種煙品用卷煙紙，尤其關於具有波狀帶 之卷煙紙。 【先前技術】 —向有設計當不小心留置於平台（substrate)上會熄滅之 煙品的嘗試’且如此進行之傾向在此被稱爲具有「低點燃 傾向」之煙品。理想地’低點燃傾向的煙品在自由擱置， 例如擱置於煙灰缸之煙托或保持在手中而不抽吸（「自由燃 燒」）時會繼續燃燒。香煙於自由燃燒期間熄滅的傾向在此 稱爲「自行熄滅」。許多達成低點燃傾向特徵之習知香煙 設計在自由燃燒狀態下呈現高自行熄滅率。 【發明內容】 一種煙品用卷煙紙’包括：一底薄片，具有額定透氣率； 以及一帶區域，包含有充分的添加材料，俾該卷煙紙於帶 區域具有較底薄片之額定透氣率低之透氣率。如由前進煙 灰可見，帶區域之前緣垛齒化。 【實施方式】 根據本說明，一煙品1包括一煙桿2。煙桿2可包含切 過的煙草塡充物3，並爲卷煙紙10所環繞。煙品之一端可 包含一適當濾嘴4，其爲適當之濾嘴紙所環繞。煙品1典 型地可亙煙品之長度具有大致圓形截面。然而，例如包含 卵形之其他截面形狀在本說明之範圍內。煙桿2具有沿煙 200932130 品之縱軸，自濾嘴紙至煙桿自由端測得的額定長度。舉例 來說，額定長度可在約60 mm至約100 mm之範圍內。 卷煙紙10包含底薄片，其典型地可透氣。卷煙紙之透氣 率通常以 C o r e s ta( C ο o pe r at iοn C ent er f 〇 r S c i enti f i c200932130 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD The present invention relates to a cigarette paper for smoking articles, and more particularly to a cigarette paper having a corrugated belt. [Prior Art] - An attempt to design a smoking article that would be extinguished if it is accidentally left on a substrate, and the tendency to do so is referred to herein as a smoking article having a "low ignition tendency". Ideally, 'low-ignition-oriented smoking products will continue to burn when they are free to stand, such as resting on a cigarette holder in an ashtray or holding it in their hands without smoking ("free burning"). The tendency of cigarettes to extinguish during free combustion is referred to herein as "self-extinguishing." Many conventional cigarette designs that achieve low ignition tendency characteristics exhibit a high self-extinguishing rate in a free-burning state. SUMMARY OF THE INVENTION A cigarette paper for smoking articles includes: a bottom sheet having a rated air permeability; and a belt region containing a sufficient additive material, wherein the cigarette paper has a lower rated air permeability than the bottom sheet in the belt region. Breathability. As seen by the advancing soot, the leading edge of the belt region is dentured. [Embodiment] According to the present description, a smoking article 1 includes a tobacco rod 2. The tobacco rod 2 may comprise a cut tobacco filling 3 and is surrounded by the cigarette paper 10. One end of the smoking article can include a suitable filter 4 that is surrounded by a suitable filter paper. The smoking article 1 typically has a substantially circular cross section in length. However, other cross-sectional shapes including, for example, oval shapes are within the scope of the present description. The tobacco rod 2 has a nominal length measured from the filter paper to the free end of the tobacco rod along the longitudinal axis of the cigarette 200932130. For example, the nominal length can range from about 60 mm to about 100 mm. Cigarette paper 10 comprises a bottom sheet that is typically breathable. The air permeability of cigarette paper is usually C o r e s ta ( C ο o pe r at iοn C ent er f 〇 r S c i enti f i c
Research Relative to Tobacco香煙科學硏究合作中心）單位 表不。一 Coresta單位以每一單位壓降（亦即水柱高cm)之 每單位面積（亦即cm2)的體積流率（亦即cm3/Sec)測定紙透 氣率。習知卷煙紙之底薄片亦具有周知之基本重量，其以 簡稱爲“gsm”之每平方米克測定。產業中常用的典型煙品 紙之底薄片的透氣率及基本重量設定於下表中： 透氣率Coresta單位 基本重量gsm 24 25 3 3 25 46 25 60 26 爲了說明，較佳卷煙紙之底薄片的透氣率具有至少約20 Coresta單位的透氣率。最佳者係卷煙紙具有大於約30 Coresta 之透氣率，例如普通底薄片具有約 33及約46 Coresta的額定透氣率，並具有約25 gsm的基本重量。用 於某些用途，底薄片可具有大於約60 c〇resta或大於約80 Coresta的透氣率，甚至更高的透氣率値。 基於傳統理由，須知’在此描述各種實施例之尺寸時， 帶區域之「寬度」沿煙桿之縱向延伸’而帶區域之圓周方 -6- 200932130 向的尺寸則被表示爲「橫向」或「橫越薄片 越方向」。 爲本說明之目的，將本文所述添加材料之 卷煙紙以獲得改善的點燃傾向特徵，亦獲得 滅特徵。點燃傾向係如於ASTM E 2187-04牛 品之點燃力之標準測試方法」所說明進行的 全文倂提於此俾供參考。點燃傾向測定當 時，煙品產生足夠的熱來維持煙桿靜態燃燒 點燃傾向値較佳，其原因在於此等値與燻燒 於下方平台燃燒的可能性的減低互有關聯。 在此，自行熄滅係指於自由燃燒狀態下，煙 爲評估自行熄滅，在溫度23 °C ±3 t及相對濕 進行實驗室測試，二者均應藉濕熱記錄器監 除於測試期間形成的燃燒產物。在測試前， 在55%±5%相對濕度及231±3°(：的條件下 時。在測試前不久，將煙品放置於玻璃燒杯 自由出入。 自行熄滅測試發生於封罩內或測試盒內。 煙機或電動打火機來點燃測試煙品。於測試 或「角度保持器」藉由一端保持在0° (水平） (垂直）的角度，來保持受測試煙品。於0°、 位置測試2 0根煙品。若使用超過一個設備’ 定位成煙品相互背離以免交互干涉。若煙品 方向」之「橫 帶區域應用於 改善的自行熄 1「用以測定煙 標準測試，其 放置於平台上 的可能性。低 中的煙品造成 【品燻燒狀態。 度55% ±5%下 視。排出罩移 待測試之煙品 調整了 24小 中以確保空氣 使用單通口點 期間，一設備 、45°及 /或 90° 45° 及 90° 每一 設備即較佳地 在燻燒煙灰的 200932130 前緣抵達濾嘴紙之前熄滅，此結果即被記錄爲「自行煩、 滅」，另一方面，若煙品繼續燻燒，直到燻燒煙灰的前緣 抵達濾嘴紙爲止，此結果即被記錄爲「未熄滅」。如此’ 例如9 5 %自行熄滅値表示9 5 %的受測試煙品在自由'燃'燒 狀態下呈現自行熄滅；而20%自行熄滅値表示僅有20%的 受測試煙品在自由燃燒狀態下呈現自行熄滅。 自行熄滅値可以「在〇度的自行熄滅値」、「在45度的 自行熄滅値」或「在90度的自行熄滅値」表示，其各表示 特定測試角度的自行熄滅値。此外，自行熄滅値可以「自 行熄滅平均値」表示，其表示三個角度位置的平均値：亦 即，（i)「在〇度的自行熄滅値」之平均値、（ii)「在45度 的自行熄滅値」之平均値及（iii)「在90度的自行熄滅値」 之平均値。「自行熄滅値」意指未區別在〇度的自行熄滅 値，在45度的自行熄滅値及在90度的自行熄滅値或自行 熄滅平均値，且可指其中任一者。 本文所用「在自由燃燒狀態下自行熄滅」或「自由燃燒 狀態下之自行熄滅」語詞係指當此香煙接受或暴露於自由 燃燒狀態時，未抽煙之燻燒香煙的熄滅。 本文所用來說明帶區域之前緣之「波狀」一詞意指前緣 具有波狀形狀。波狀形狀可爲曲線狀或由包含矩形或方形 之直線段組成，且所有用詞涵蓋「垛齒化」。如本文所用， 「垛齒化」一詞係指多重、規則隔開且自以其他方式連續 之實體帶區域移除之幾何形狀間隔之圖案。垛齒化圖案或 200932130 帶亦可稱爲鋸齒狀或類似於脈波。如本文所用，「垛口」 係指於一垛齒緣的開口或谷部，而「垛齒」係指垛口間， 隆起部或操齒緣的高台。 如本文所用’ 「前緣」一詞係指於卷紙含有帶區域之煙 品燻燒期間，最接近前進煙灰之帶區域邊緣，而「後緣」 一詞係指於卷煙紙含有帶區域之煙品燻燒期間，最遠離前 進煙灰之帶區域邊緣。於垛齒化之實施例中，如於第6圖 中以寬度“W”顯示’帶區域之全寬“W”自前緣之最前面 部分至後緣之最後面部分測得。 煙品用卷煙紙包括一底薄片10(參考第2圖），其具有額 定透氣率以及複數個帶區域12，此等帶區域12具有充分 添加材料，俾卷煙紙於帶區域具有較底薄片之額定透氣率 低的透氣率。各帶區域12之前緣14垛齒化。可選擇地， 帶區域之後緣1 6亦可垛齒化。 雖然熟於此技藝人士可思及種種垛齒區域的配置，於附 圖中圖示若干此等配置。例如（參考第2圖），帶區域12可 具有一前緣14，其中垛口 20配置於垛齒18間。於本實施 例中，垛齒18於底薄片10之橫向具有實質上與垛口 20之 橫向尺寸相同的尺寸。如所說明，垛齒18及垛口 20 —般 可爲矩形。惟，想要的話，垛齒1 8及垛口 20可不受限地 具有其他幾何形狀，包含四邊形、梯形、三角形、五角形 及其他規則或不規則幾何構形。垛齒1 8之頂部與相鄰垛口 2 0之底部間的距離可在約2mm至約5 mm的範圍內，較佳 200932130 可約爲3 mm。 亦可於帶區域12之後緣設置一類似ί朵齒配置。爲此’複 數個垛齒2 2可橫越底薄片1 〇橫向隔開’並被對應之複數 垛口 24相互分隔。如所說明’前緣之垛齒1 8橫向對準後 緣之垛口 24，且前緣之垛口 20橫向對準後緣之垛齒22。 垛口 24具有實質上與帶之前緣14處之垛齒18之橫越薄片 尺寸相同的橫越薄片尺寸。類似地’後緣16之垛齒33可 具有實質上與前緣14之垛口 20之橫越薄片尺寸相同的橫 ❹ 越薄片尺寸。垛齒22之頂部與相鄰垛口 24之底部間的距 離可在約2mm至約5mm的範圍內’較佳可約爲3mm。如 前緣14之垛齒18及垛口 20，後緣之垛齒22及垛口 24可 大致爲矩形，大致爲四邊形、大致爲梯形、大致爲三角形、 大致爲五角形及其他規則或不規則幾何構形。 較佳地，前緣14之垛口 20之底部21與後緣之垛口 24 之底部25相隔在約2 mm至約5mm的範圍內，較佳地，在 Q 約3mm至約4mm的範圍內的距離X。藉此配置，寬度X之 實質上連續帶部橫向越過底薄片10延伸。前緣之垛口 20 之底部21對應於實質上連續帶部“X”之前緣，而後緣之 垛口 24之底部則對應實質上連續帶部“ X”之後緣。連續 帶部“ X ”提供一底薄片區域，其中，相較於缺少添加材料 之區域，煙品之卷煙紙有較少的空氣進出。因此，可調整 距離X以達到點燃傾向性能與自行熄滅性能之所欲平衡。 底薄片10之相鄰帶區域12及12’縱向相互分隔一額定間 -10- 200932130 距。額定間距“s”（於後緣16之最後面部分至最接近前緣 14之最前面部分測得）可在約l〇mm至約30mm的範圍內。 特別是’可取決於煙品之煙桿長度之帶周節（period)可約爲 27mm，意指額定間距約爲27mm減去垛齒化寬度。間距將 煙品中的總塗布面積（亦即含添加物面積）減至最小，藉此 減少主煙流中的一氧化碳（C0)位準。雖然帶區域12前緣上 之垛口 20之深度與帶區域12後緣上之垛口 24之深度於第 2圖中顯示爲相同，惟想要的話，可作成此等深度不同， ❹ 而這仍在本揭示內容的範圍內。 垛齒18,22及垛口 20,24的橫向尺寸可實質上與第2圖所 示者相同。惟，較佳地，整數對垛齒18及垛口 20具有對 應於一煙品之額定圓周之橫越薄片尺寸。例如，二組垛齒 18及垛口 20可具有約6.2 mm之橫越薄片尺寸，俾各組之 二對具有約24.8 mm的橫越薄片尺寸，這對應於煙品之額 定圓周。藉此種垛齒及垛口的尺寸制定，當底薄片10縱向 Q 裂開以形成煙品用卷煙紙之筒管時，例如於線30,32，帶區 域12之垛齒圖案會實質上完美覆蓋於縱縫口而形成煙桿。 換言之，當建立用於垛齒化（或鋸齒化）紙捲的印刷圖案 時，即使紙捲可切開略大於香煙之額定圓周之尺寸（以沿煙 桿提供用於縫口的邊緣部分），圖案本身仍應根據帶有圖案 之等於香煙額定圓周之橫向尺寸，橫越紙捲反覆。此實務 確保圖案如所欲於香煙上建立，不管切口始於何處或縫口 的大小。例如，若香煙擬具有八（8)個垛齒（或齒）之圖案， -11- 200932130 且香煙擬具有24.8 mm之額定圓周，垛齒化（或鋸齒化）紙 捲即每27 mm切開，惟八（8)個垛齒（或齒）之圖案每隔24.8 mm反覆。 轉而參考第3圖，前緣40之垛齒44及垛口 46之比例異 於第2圖所示配置。於第3圖中，垛齒44可具有約爲相關 垛口 46之橫越卷紙尺寸之約一半的橫越卷紙尺寸。然而’ 如以上所討論，整數對垛齒44及垛口 46對應於煙品之額 定圓周。較佳地，垛齒44之高度或垛口 46之深度在配合 ❹ 第2圖所討論之値範圍內。 於第3圖之實施例的後緣，後緣垛齒50及後緣垛口 48 之橫越卷紙尺寸異於前緣垛齒44及前緣垛口 46之橫越卷 紙尺寸。惟，於此再度，整數組垛齒50及垛口 48具有對 應於煙品之額定圓周之橫越卷紙尺寸。如圖所示’垛口 48 之橫越卷紙尺寸實質上小於前緣40之相對部分上垛齒44 之橫越卷紙尺寸。而且，垛口 48之深度或垛齒50之高度 Q 在以上配合第2圖所討論之尺寸範圍內。而且，前緣上垛 口 46之底部與後緣上垛口 48之底部間的間距亦在以上配 合第2圖所討論之尺寸範圍內。第3圖中相鄰帶區域12間 的間距亦在以上配合第2圖所討論之尺寸範圍內。 轉而參考第4圖，帶區域12之前緣14可具有實質上與 以上配合第2圖所討論者相同的特徵。惟’後緣64可具有 垛齒60，其具有實質上大於前緣之相對垛口 20之橫越薄 片尺寸的橫越薄片尺寸，而後緣垛口 62之橫越薄片尺寸實 -12- 200932130 質上小於前緣14之對應相對垛齒18之橫越薄片尺寸。第 4圖中垛齒形前緣與後緣間的間距以及第4圖之相鄰帶區 域1 2間的縱向間距實質上在以上配合第2圖所討論的相同 範圍內。 第5圖顯示根據本揭示內容，垛齒形帶區域12之又另一 實施例。於本實施例中，前緣14可具有配合第2圖或第3 圖所討論之特徵。惟，於本實施例中，垛齒形帶區域12之 後緣70可平直。垛口 20之底部與後緣70間的間距可選擇 與第2圖之垛齒形區域20，24間的間距相同。而且，較佳 地，相鄰帶區域1 2(第5圖）如第2圖所說明般地隔開。 前緣之垛齒可具有在約3mm至約7mm之範圍內的橫向 尺寸。例如，前緣之垛齒可具有約3.1mm、約4.2mm或約 6.2mm的橫向尺寸。前緣之垛口可具有在約3mm至約7mm 之範圍內的橫向尺寸。例如，前緣之垛口可具有約3 .1 mm、 約4.2mm、約5.2mm或約6.2mm的橫向尺寸。後緣之垛齒 可具有在約6mm至約10mm之範圍內的橫向尺寸。例如， 後緣之垛齒可具有約5.775mm、約6.2mm或約6.775mm的 橫向尺寸。後緣之垛口可具有在約1mm至約7mm之範圍 內的橫向尺寸。例如，後緣之垛口可具有約1mm、約2.1mm 或約6.2mm的橫向尺寸。 仍然參考第5圖’以其他方式說明，煙品之帶區域可包 括波狀目ij緣以界定叉指狀前緣區114(顯示於虛線zl與z2 間）’該前緣區114包括通氣率增加區117與減少區115之 -13- 200932130 彼此相對交錯區。前緣區1 1 4可垛齒化，通氣率相對減少 區115係垛齒化前緣區114之垛齒，且通氣率相對增加區 係垛齒化前緣區114之垛口 117，其較佳地係無或較少添 加材料的區域1 1 7。 可看到前緣1 4以此方式沿前緣區1 1 4起伏，並可看到此 等起伏成諸如正弦曲線或三角形波狀之其他波形，以取代 第5圖所示階梯狀波形。可調整起伏之頻率以改進SE性能。 不期望受到理論束縛，相信前緣區1 1 4會改進自行熄滅 性能，卻對類似帶寬之帶的點燃傾向性能幾無或毫無衝 擊。相信通氣率增加區117會增加氣流在接近帶區域12時 流至煙灰的氣流。 帶區域之後緣區亦可起伏以界定叉指狀後緣區116，該 後緣區116包括通氣率增加區117與減少區115之彼此相 對交錯區。有利地，相較於通氣率相對減少區，通氣率相 對增加區可容許相對增加之空氣通至煙品之卷煙紙之底薄 ❹ 片。 雖然上述實施例說明跺齒緣具有傳統凹口形，第6圖之 垛齒帶1 2卻具有用於垛齒緣80之不同形狀。更特別的是， 垛齒緣80具有實質上三角形之垛齒18。三角形垛齒18實 質上被三角形垛口 2 0隔開，並界定該三角形垛口 2 0。如 果希望的話，帶之後緣8 2可爲平直。惟，較佳地，帶1 2 之後緣8 2亦可具有就前緣8 0所說明之三角形垛齒構形。 重要的是，前緣垛口 20之底部沿底薄片10，縱向與後緣 -14- 200932130 垛口 20’相隔距離w。另一重要特點在於，後緣82之垛齒 頂部與後續前緣80’之垛齒頂部間的縱向間隔8大於各帶 12之連續部分的寬度w。 相信三角形操齒化之帶12於區域w會發揮如習知帶的功 能。耦合縱向帶間間隔S的垛齒合作減少由此卷煙紙形成 之煙品之煙中的一氧化碳成份。而且，藉由對應擬以卷紙 10製造之煙品的圓周，選擇整數垛齒之頂部間的橫越薄片 間隔z，卷紙1 0可不愁切割位置，縱向切開，且卷紙i 〇 會實質上精密地覆蓋在卷紙之縱向縫口。亦可調整間隔z 以達到煙品之點燃傾向性能與自行熄滅性能間的所欲平 衡。 類似於第6圖之垛齒帶，第7圖之垛齒帶12具有垛齒緣 80，該垛齒緣80具有實質上三角形垛齒18，三角形垛齒 18被實質上三角形垛口 20隔開，並界定該三角形垛口 20。 於第7圖中，帶之後緣82可爲平直，惟，帶之後緣82亦 可如前緣80，具有相同三角形垛齒構形。如於第7圖中進 一步顯示，帶可分成二帶部112’ 112’’該等帶部112’ 112’ 藉「裂縫」8 1相互隔開。如沿大致平行於具有帶之煙品之 軸心之方向測量，裂縫81典型地不超過個別帶部112, 112’ 之寬度。間隔特點於有較少量或無添加材料的帶結構中提 供「裂縫」81(或不連續）。 第8及9圖各顯示類似於第7圖之垛齒帶〗2’惟帶分成 三個帶部112、 112，、 112”，此等帶部112、 112’、 112”藉 -15- 200932130 一對裂縫8 1、8 3沿煙品之軸心相互分隔。又，第7圖中個 別、分開帶部112、112’間的裂縫81異於第8及9圖中個 別、分開帶部112、112’、112”間的裂縫81、83。第8及9 圖在個別、分開帶部1 12、1 12’、1 12”間的寬度彼此不同， 而非全垛齒帶W之寬度。 於第10圖所示實施例中，帶12具有垛齒緣80之不同形 狀。特別是，第1 0圖顯示垛齒化之前緣（亦即切割成圓形 〇 化之扇形）。扇形19(亦即圓形段或有角度突起）可具有不同 或均一寬度及/或長度。帶之後緣82可爲平直、垛齒化（根 據第1-6圖中之任一者）或圓齒化。打算使第1〇圖之圓齒 帶可如第7-9圖所示，進一步於帶結構包含「裂縫」。此 外，雖未顯示，帶結構可包括垛齒（亦即具有不規則波浪狀 或鋸齒狀外形）前緣及/或後緣，帶之特點在於可任選地具 有一或更多「裂縫」。 〇 如本文所說明，煙品可包括煙桿及卷煙紙。較佳地，卷 煙紙具有將煙桿之圓周及重疊縫口計入的橫向尺寸。結 果，不管卷煙紙是否裂開，當形成香煙時，垛齒形圖案恆 有一正確重疊。換言之，決定垛齒形帶區域之垛齒及垛口 的橫向尺寸’俾在煙品上，較佳地，帶區域之前緣包括至 少二垛口及至少二垛齒。例如，帶區域之前緣可包括二垛 口及二垛齒、三垛口及三垛齒或四垛口及四垛齒。如此， 不管在AS TM測試期間，煙品如何放在平台上，恆有帶區 -16- 200932130 域之對稱。不欲受任何理論束縛，咸信在燻燒期間煙品放 在平台上時’燃燒會被此垛齒形前緣調節；具體而言，前 緣之垛齒減少燻燒的前進，惟，在自由燃燒狀態期間，前 緣之垛口容許有限量的燻燒持續進行。因此，應該可達成 所欲自行熄滅及點燃傾向特徵。 根據目前所瞭解，根據本說明，添加材料之帶區域容許 煙品設計成具有低點燃傾向値及低自行熄滅値的組合。添 0 加材料之低通氣帶區域沿煙桿長度提供成膜組成物區域， 其可在點燃的煙品放置於平台上時，與平台合作熄滅點燃 的煙品，惟當吸煙者在自由燃燒狀態下手持煙品時，此等 成膜組成物區域不會造成煙品自行熄滅。如此，根據本說 明，藉由應用成膜組成物區域於底薄片，煙品可呈現減低 之點燃傾向，同時保持所欲自由燃燒性質或低自行熄滅 値。添加材料可應用於底薄片之一或二邊。 爲達到所欲煙品之點燃傾向及自行熄滅特徵，將帶區域 〇 應用於卷煙紙之底薄片。本說明之一目的在於提供卷煙 紙，其在形成煙桿時呈現不大於2 5之點燃傾向値及不大於 5 0之自行媳滅値。甚至煙品成品之點燃傾向値不大於約1 5 爲較佳；且最佳的煙品成品之點燃傾向値不大於約1 〇。亦 期望有較低自行熄滅値。在此方面’較佳自行熄滅値小於 約2 5 ;且最佳自行熄滅値小於約1 0。 根據完成煙品之直徑（約7mm至約10mm)選擇卷煙紙之 橫向尺寸，並容許於約lmm至約2mm之縱縫口重疊材料。 -17- 200932130 例如’容許lmm的縫口重疊，就具有約25.6mm之圓周的 煙品而言，卷煙紙之橫向尺寸可約爲2 7 mm。 帶區域可藉由塗布一或更多層的含水成膜組成物於卷煙 紙之底薄片，以減少於帶區域中紙的透氣率。替代地，亦 可使用纖維素材料來形成帶區域。在使用成膜組成物情況 下’較佳地，成膜組成物可包含水及高濃度，例如2 0 %至 約50%重量的吸收劑（occluding agent)。成膜組成物可包 含一個或更多吸收劑，諸如澱粉、褐藻膠、纖維素或樹膠， 亦可包含碳酸鈣作爲塡充劑。在澱粉係成膜組成物情況 下，約2 4 %的濃度可能很有利。 可使用凹版印刷、數位印刷、使用模板之塗布或噴灑， 或任何其他適當技術，將成膜組成物塗布於卷煙紙1 0之底 薄片。例如，可選用於美國專利公開第 2007/0 1 020 1 7 A1 號所揭示成膜組成物及用以塗布成膜組成物之方法，塗布 卷煙紙之帶區域至底薄片，該案全文倂提於此俾供參考。 想要的話，可藉由印刷將添加材料之帶區域形成爲相互對 齊或對準之多數連續層，例如二或更多連續層。而且，當 使用諸層來形成添加材料之帶區域時，諸層之材料可相同 或不同。例如，一層可爲澱粉，次一層可爲澱粉及碳酸鈣。 此外，熄滅煙品之能力可取決於提供最小長度量的成膜 組成物，較取決於成膜組成物之每單位面積之特定重量還 多。若應用燃燒加速器於紙，所用成膜組成物量即可增加 而不會喪失自由燃燒性質。較佳地，添加材料之帶區域將 -18- 200932130 卷煙紙之透氣率減至約〇到lOCoresta的範圍。 本文所說明之多步驟印刷設備典型地包含捲軸、第1凹 版印刷站、第2凹版印刷站、第3凹版印刷站、收集捲軸、 滾輪、壓印滾筒、支承轉滾輪、鉗、貯槽、幫浦、熱交換 器、塗布器、液槽、收集器、排洩孔、刮刀、調整滾筒、 及空轉滾筒。 作爲凹版印刷操作之替代例，可使用形成底薄片之相同 纖維素材料，將帶區域或帶應用於底薄片。帶區域可包括 〇 高度精製之纖維素（例如，纖維、原纖維、微原纖維或其組 合）漿料或其他添加材料，其使用各種噴灑或塗布技術塗 布，包含如於共同擁有之美國專利US5 997 691及US6 596 1 2 5所說明使用一移動孔板塗布器於製紙機之形成段的應 用技術，該二案全文倂提於此俾供參考。過去一向使用此 種技術，藉由調整於共同擁有之美國專利US5 997 69 1及 US 6 5 96 1 2 5所說明設備之卷紙與移動孔帶間之相對運 Q 動，周向形成帶區域，本揭露內容之帶區域可容易形成。 須知，此種配置以有助於應用較寬帶及較大應用率之較緩 慢帶速操作移動孔板裝置。 此處所用的用語及用詞不得以數學或幾何精確度來解釋 ，反而幾何術語被解釋爲接近或類似於幾何用詞及槪念 的意涵。諸如「大致」之用詞意圖涵蓋相關名詞及槪念的 精確意義，並提供與形式、功能及/或意義一致的合理範圍。 用在與數量有關的用詞「約」意圖包含公差在所描述數 -19- 200932130 量之1 〇 %內的値。 雖然業已說明各種實施例，惟須瞭解’如熟於本技藝人 士瞭然，可容易作成種種更改、變化及均等者。此等更改、 變化及均等者被視爲隨附申請專利範圍之範疇及範圍內。 【圖式簡單說明】 配合附圖閱讀本說明書，熟於此技藝人士對本揭示內容 之許多目的及優點將瞭然，於附圖中相同元件符號應用於 相同元件，且其中： ❹ 第1圖係根據本揭示內容，一煙品之立體圖； 第2圖係具有垛齒帶區域第1實施例之卷煙紙之示意圖； 第3圖係具有垛齒帶區域第2實施例之卷煙紙之示意圖； 第4圖係具有垛齒帶區域第3實施例之卷煙紙之示意圖； 第5圖係具有垛齒帶區域第4實施例之卷煙紙之示意圖； 第6圖係具有垛齒帶區域第5實施例之卷煙紙之示意圖； 第7圖係具有垛齒帶區域第6實施例之卷煙紙之示意圖； Q 第8圖係具有垛齒帶區域第7實施例之卷煙紙之示意圖； 第9圖係具有垛齒帶區域第8實施例之卷煙紙之示意 , 圖；以及 第1 0圖係具有垛齒帶區域第9實施例之卷煙紙之示意 圖。 【主要元件符號說明】 1 煙品 2 煙桿 -20- 200932130Research Relative to Tobacco Cigarette Science Research Collaboration Center) Units No. A Coresta unit measures the paper gas transmission rate at a volumetric flow rate per unit area (i.e., cm2) per unit pressure drop (i.e., water column height cm). The bottom sheet of the conventional cigarette paper also has a known basis weight, which is measured in grams per square meter referred to as "gsm" for short. The air permeability and basic weight of the bottom sheet of typical smoking paper commonly used in the industry are set in the following table: Air permeability Coresta unit basis weight gsm 24 25 3 3 25 46 25 60 26 For the purpose of description, the bottom sheet of the preferred cigarette paper is The air permeability has an air permeability of at least about 20 Coresta units. The preferred cigarette paper has an air permeability of greater than about 30 Coresta, such as a conventional base sheet having a rated air permeability of about 33 and about 46 Coresta, and having a basis weight of about 25 gsm. For some applications, the backsheet may have an air permeability of greater than about 60 c〇resta or greater than about 80 Coresta, and even a higher air permeability. For conventional reasons, it is to be understood that 'the width of the belt region is extended along the longitudinal direction of the tobacco rod', and the dimension of the circumferential direction of the belt region -6-200932130 is indicated as "horizontal" or "Cross the direction of the sheet." For the purposes of this description, the cigarette paper to which the material is added as described herein is used to obtain improved ignition tendency characteristics and also to obtain an extinction feature. The igniting tendency is described in the standard test method for the ignition force of cattle in ASTM E 2187-04, which is hereby incorporated by reference. When the ignition tendency is measured, the smoking product generates sufficient heat to maintain the static burning tendency of the tobacco rod. The reason is that the enthalpy is related to the decrease in the possibility of burning the lower platform. Here, self-extinguishing refers to the self-extinguishing of the smoke in the free-burning state, and the laboratory test is carried out at a temperature of 23 ° C ± 3 t and relative humidity, both of which should be monitored by the damp heat recorder during the test. Combustion products. Before testing, at 55% ± 5% relative humidity and 231 ± 3 ° (: conditions. The smoke was placed in a glass beaker freely before the test. Self-extinguishing test occurred in the enclosure or test box Inside. A hood or electric lighter to ignite the test article. The test or "angle holder" maintains the tested smoking article at an angle of 0° (horizontal) (vertical) at one end. Test at 0°, position 20 cigarettes. If more than one device is used, 'the cigarettes are positioned to deviate from each other to avoid mutual interference. If the direction of the cigarette is used in the "cross-belt area for improved self-extinguishing", it is placed in the smoke standard test. The possibility of the platform. The low-smoke smoking products cause [smoke smoldering state. Degree 55% ± 5% down. The hood is removed and the smokestuffs to be tested are adjusted 24 hours to ensure that the air uses the single pass point, A device, 45° and/or 90° 45° and 90°, each device is preferably extinguished before the leading edge of the smoked soot 200932130 reaches the filter paper, and the result is recorded as “self-infuriating, extinguishing”. On the other hand, if the smoking continues to smoke Until the leading edge of the smoked soot reaches the filter paper, the result is recorded as “not extinguished.” Thus, for example, 9 5 % self-extinguishing 9 means that 9 5 % of the tested smoking products are in a free 'burning' state. The self-extinguishing is self-extinguished; and 20% self-extinguishing 値 means that only 20% of the tested smoking products are self-extinguishing in the free-burning state. Self-extinguishing 値 can “self-extinguish in the temperature”, “at 45 degrees” "extinguish" or "self-extinguish at 90 degrees" means that each of them represents a self-extinguishing 特定 of a specific test angle. In addition, self-extinguishing 値 can be "self-extinguish the average 値", which means the average of three angular positions: That is, (i) the average 値 of "self-extinguishing after 〇", (ii) the average 値 of "self-extinguishing 45 at 45 degrees" and (iii) the average 「 of "self-extinguishing time at 90 degrees" "Self-extinguishing 値" means self-extinguishing 未 without distinction between 〇, self-extinguishing at 45 degrees and self-extinguishing at 90 degrees, or self-extinguishing the average 値, and can refer to either one. Self-free burning state The term "extinguish" or "self-extinguishing in a free-burning state" means the extinction of a non-smoked smouldering cigarette when the cigarette is exposed or exposed to a free-burning state. This article is used to describe the "wavy" of the leading edge of the zone. The word means that the leading edge has a wavy shape. The wavy shape can be curved or composed of straight lines containing rectangles or squares, and all the words cover "caries". As used herein, the term "caries" Means a pattern of geometrical spacing that is multiple, regularly spaced, and removed from other areas of the physical band. The toothed pattern or 200932130 band may also be referred to as jagged or pulse-like. As used herein, "垛口" means the opening or valley of a gingival margin, and "caries" means the high platform between the sputum, the ridge or the rim. As used herein, the term "leading edge" refers to the edge of the belt that is closest to the advancement of soot during the smouldering of the tobacco containing the zone, and the term " trailing edge" refers to the zone containing the zone of cigarette paper. During smoking, the smoke is farthest from the edge of the belt where the ashes advance. In the embodiment of the toothing, as shown in Fig. 6, the width "W" indicates that the full width "W" of the band region is measured from the foremost portion of the leading edge to the last portion of the trailing edge. The cigarette paper for smoking includes a bottom sheet 10 (refer to Fig. 2) having a rated air permeability and a plurality of belt regions 12 having sufficient material to be added, and the cigarette paper having a lower sheet in the belt region Air permeability with low air permeability. The leading edge 14 of each belt region 12 is toothed. Alternatively, the trailing edge 16 of the belt region may also be serrated. While those skilled in the art can appreciate the configuration of various caries regions, several such configurations are illustrated in the drawings. For example (see Figure 2), the belt region 12 can have a leading edge 14 with the jaws 20 disposed between the molars 18. In the present embodiment, the molars 18 have substantially the same dimensions as the transverse dimension of the mouthpiece 20 in the lateral direction of the backsheet 10. As illustrated, the molars 18 and the jaws 20 can generally be rectangular. However, if desired, the molars 18 and the cornices 20 can have other geometric shapes without limitation, including quadrilateral, trapezoidal, triangular, pentagonal, and other regular or irregular geometric configurations. The distance between the top of the molars 18 and the bottom of the adjacent jaws 20 may range from about 2 mm to about 5 mm, preferably from 200932130 to about 3 mm. A similar tooth configuration can also be provided at the trailing edge of the belt region 12. To this end, the plurality of molars 2 2 can be laterally spaced across the bottom sheet 1 and separated from each other by the corresponding plurality of jaws 24. As previously illustrated, the leading edge molars 18 are laterally aligned with the trailing edge of the mouth 24, and the leading edge of the jaw 20 is laterally aligned with the trailing edge of the molars 22. The cornice 24 has a transverse sheet size that is substantially the same as the cross-web size of the molars 18 at the leading edge 14 of the belt. Similarly, the "tooth edge 33" of the trailing edge 16 can have a cross-sectional dimension that is substantially the same as the cross-sectional dimension of the nipple 20 of the leading edge 14. The distance between the top of the molars 22 and the bottom of the adjacent jaws 24 may range from about 2 mm to about 5 mm, preferably about 3 mm. For example, the leading edge 14 has a molar 18 and a tongue 20, and the trailing edge of the molar 22 and the tongue 24 can be substantially rectangular, generally quadrangular, generally trapezoidal, generally triangular, generally pentagon, and other regular or irregular geometric configurations. . Preferably, the bottom 21 of the rim 20 of the leading edge 14 is spaced from the bottom 25 of the rim 24 of the trailing edge in the range of from about 2 mm to about 5 mm, preferably in the range of from about 3 mm to about 4 mm. X. With this configuration, substantially continuous strips of width X extend transversely across the backsheet 10. The bottom 21 of the leading edge of the cornice 20 corresponds to the leading edge of the substantially continuous strip "X", while the bottom of the trailing edge of the cornice 24 corresponds to the trailing edge of the substantially continuous strip "X". The continuous belt portion "X" provides a bottom sheet area in which the cigarette paper of the smoking article has less air in and out than the area lacking the added material. Therefore, the distance X can be adjusted to achieve the desired balance between ignition tendency performance and self-extinguishing performance. The adjacent strip regions 12 and 12' of the bottom sheet 10 are longitudinally separated from each other by a nominal interval of -10-200932130. The nominal spacing "s" (measured from the rearmost portion of the trailing edge 16 to the foremost portion closest to the leading edge 14) may range from about 1 mm to about 30 mm. In particular, the period of the length of the tobacco rod which may depend on the length of the tobacco rod may be about 27 mm, meaning that the nominal spacing is about 27 mm minus the toothed width. The spacing minimizes the total coated area (i.e., the area of the additive) in the smoking article, thereby reducing the level of carbon monoxide (C0) in the main plume. Although the depth of the mouth 20 on the leading edge of the belt region 12 and the depth of the mouth 24 on the trailing edge of the belt region 12 are the same as shown in Fig. 2, if desired, the depth can be made different, ❹ Within the scope of this disclosure. The transverse dimensions of the molars 18, 22 and the jaws 20, 24 may be substantially the same as those shown in Figure 2. Preferably, however, the integer pair of molars 18 and the mouthpiece 20 have a cross-sheet dimension corresponding to the nominal circumference of a smoking article. For example, the two sets of molars 18 and the fistula 20 may have a cross-lamella size of about 6.2 mm, and the two pairs of each set have a cross-lamella size of about 24.8 mm, which corresponds to the nominal circumference of the smoking article. With the aid of the size of the jaws and the mouthpiece, when the longitudinal direction Q of the bottom sheet 10 is split to form a bobbin of cigarette paper for smoking, for example, on the lines 30, 32, the pattern of the teeth of the belt region 12 is substantially perfectly covered. The tobacco rod is formed at the longitudinal slit. In other words, when creating a printed pattern for a toothed (or serrated) roll, even if the roll can be cut slightly larger than the nominal circumference of the cigarette (to provide the edge portion for the seam along the tobacco rod), the pattern It should still be repeated across the paper roll according to the transverse dimension of the pattern with the nominal circumference of the cigarette. This practice ensures that the pattern is created on the cigarette as desired, regardless of where the slit starts or the size of the slit. For example, if a cigarette is intended to have a pattern of eight (8) molars (or teeth), -11-200932130 and the cigarette is intended to have a nominal circumference of 24.8 mm, the toothed (or serrated) paper roll is cut every 27 mm. Only eight (8) teeth (or teeth) patterns are repeated every 24.8 mm. Referring to Fig. 3, the ratio of the dent 44 and the cymbal 46 of the leading edge 40 is different from that shown in Fig. 2. In Fig. 3, the molars 44 can have a cross-web size that is about half of the cross-web size of the associated jaw 46. However, as discussed above, the integer pair of molars 44 and the mouthpiece 46 correspond to the nominal circumference of the smoking article. Preferably, the height of the molars 44 or the depth of the jaws 46 is within the range of the 讨论 discussed in Figure 2. At the trailing edge of the embodiment of Fig. 3, the traverse roll size of the trailing edge nip 50 and the trailing edge nip 48 is different from the traverse roll size of the leading edge nip 44 and the leading edge nip 46. However, again, the integer set of molars 50 and the mouth 48 have a cross-web size corresponding to the nominal circumference of the smoking article. As shown, the cross-web size of the rake 48 is substantially smaller than the cross-web size of the upper teeth 44 on the opposite portions of the leading edge 40. Moreover, the depth of the jaws 48 or the height Q of the molars 50 is within the dimensions discussed above in connection with Figure 2. Moreover, the spacing between the bottom of the leading edge upper opening 46 and the bottom of the trailing edge upper opening 48 is also within the dimensions discussed above in connection with Figure 2. The spacing between adjacent strip regions 12 in Figure 3 is also within the dimensions discussed above in connection with Figure 2. Turning to Figure 4, the leading edge 14 of the belt region 12 can have substantially the same features as discussed above in connection with Figure 2. However, the trailing edge 64 can have a dent 60 that has a traversing sheet size that is substantially larger than the rim of the leading edge of the rim traversing the sheet size, while the trailing edge nip 62 is transversely smaller than the lamella size -12-200932130. The leading edge 14 corresponds to the cross-sheet dimension of the opposing molars 18. The spacing between the leading edge and the trailing edge of the dentate shape in Fig. 4 and the longitudinal spacing between adjacent zones 1 in Fig. 4 are substantially within the same range as discussed above in connection with Fig. 2. Figure 5 shows yet another embodiment of the dentate band region 12 in accordance with the present disclosure. In this embodiment, the leading edge 14 can have features as discussed with respect to Figure 2 or Figure 3. However, in the present embodiment, the trailing edge 70 of the dent band region 12 can be straight. The spacing between the bottom of the cornice 20 and the trailing edge 70 can be selected to be the same as the spacing between the serrated regions 20, 24 of Figure 2. Further, preferably, the adjacent belt regions 12 (Fig. 5) are spaced apart as described in Fig. 2. The leading edge molars can have a lateral dimension in the range of from about 3 mm to about 7 mm. For example, the leading edge molars can have a lateral dimension of about 3.1 mm, about 4.2 mm, or about 6.2 mm. The rake of the leading edge can have a lateral dimension in the range of from about 3 mm to about 7 mm. For example, the rake of the leading edge can have a lateral dimension of about 3.1 mm, about 4.2 mm, about 5.2 mm, or about 6.2 mm. The trailing edge molars can have a lateral dimension in the range of from about 6 mm to about 10 mm. For example, the trailing edge molars can have a transverse dimension of about 5.775 mm, about 6.2 mm, or about 6.775 mm. The trailing edge of the mouth may have a transverse dimension in the range of from about 1 mm to about 7 mm. For example, the trailing edge of the cornice can have a transverse dimension of about 1 mm, about 2.1 mm, or about 6.2 mm. Still referring to FIG. 5, the region of the smoking article may include a wavy ij edge to define an interdigitated leading edge region 114 (shown between dashed lines z1 and z2). The leading edge region 114 includes an aeration rate. The increment zone 117 and the decrease zone 115-13-200932130 are interdigitated with each other. The leading edge region 1 1 4 can be toothed, the aeration rate relatively decreasing region 115 is the molar tooth of the frontal region 114, and the aeration rate is relatively increased. The ventral anterior region 114 is at the mouth 117, which is preferably The area where there is no or less material added to the ground is 1 1 7 . It can be seen that the leading edge 14 undulates along the leading edge region 1 14 in this manner, and can be seen as other waveforms such as sinusoidal or triangular wavy to replace the stepped waveform shown in FIG. The frequency of the undulation can be adjusted to improve SE performance. Without wishing to be bound by theory, it is believed that the leading edge region 1 14 will improve self-extinguishing performance, but has little or no impact on the ignition tendency performance of a band of similar bandwidth. It is believed that the increased aeration rate zone 117 increases the flow of gas to the soot as it approaches the zone 12. The trailing edge region of the belt region may also undulate to define an interdigitated trailing edge region 116 that includes opposing cross-sectional regions of the aeration rate increasing region 117 and the decreasing region 115. Advantageously, the relatively increased aeration rate zone permits a relatively increased amount of air to pass to the bottom sheet of the cigarette paper of the smoking article as compared to the relatively reduced aeration rate zone. Although the above embodiment illustrates that the gingival rim has a conventional notch shape, the gingival belt 12 of Fig. 6 has a different shape for the gingival rim 80. More particularly, the gingival rim 80 has substantially triangular molars 18. The triangular molars 18 are substantially separated by a triangular opening 20 and define the triangular opening 20. If desired, the trailing edge 8 2 can be straight. Preferably, however, the trailing edge 8 2 of the belt 1 2 may also have a triangular molar configuration as illustrated by the leading edge 80. Importantly, the bottom of the leading edge nip 20 is along the bottom sheet 10 and is longitudinally spaced from the trailing edge -14-200932130 20 20' by a distance w. Another important feature is that the longitudinal spacing 8 between the top of the crotch of the trailing edge 82 and the top of the crest of the subsequent leading edge 80' is greater than the width w of the continuous portion of each band 12. It is believed that the belt 13 of the triangular gearing will function as a conventional belt in the region w. The molars that couple the longitudinal inter-band spacing S cooperate to reduce the carbon monoxide component of the smoke of the smoking article formed from the cigarette paper. Moreover, by corresponding to the circumference of the smoking article to be manufactured by the roll paper 10, the traversing sheet interval z between the tops of the integral molars is selected, the roll paper 10 can be cut without cutting, longitudinally cut, and the roll paper i 〇 will be substantial It is precisely covered on the longitudinal slit of the roll paper. The interval z can also be adjusted to achieve the desired balance between the ignition tendency performance and the self-extinguishing performance of the smoking article. Similar to the carious belt of Figure 6, the carious belt 12 of Figure 7 has a gingival rim 80 having substantially triangular molars 18 separated by a substantially triangular mortise 20, And defining the triangular cornice 20. In Fig. 7, the trailing edge 82 can be straight, but the trailing edge 82 can also be as the leading edge 80, having the same triangular dent configuration. As further shown in Fig. 7, the belt can be divided into two belt portions 112' 112''. The belt portions 112' 112' are separated from each other by a "crack" 81. The crack 81 typically does not exceed the width of the individual strip portions 112, 112' as measured in a direction generally parallel to the axis of the article having the strip. The spacing feature provides a "crack" 81 (or discontinuity) in a strip structure with less or no added material. Figures 8 and 9 each show a toothed belt 〖2' similar to that of Fig. 7, but the belt is divided into three belt portions 112, 112, 112", and these belt portions 112, 112', 112" are borrowed -15-200932130 A pair of slits 8 1 and 8 3 are separated from each other along the axis of the smoking article. Further, in Fig. 7, the cracks 81 between the individual and divided strip portions 112, 112' are different from the cracks 81, 83 between the individual strip portions 112, 112', 112" in Figs. 8 and 9. 8 and 9 The widths of the individual, separate strip portions 1 12, 1 12', 1 12" are different from each other, rather than the width of the full molar belt W. In the embodiment shown in Fig. 10, the belt 12 has a different shape of the gingival rim 80. In particular, Figure 10 shows the leading edge of the tooth decay (i.e., the fan shape cut into a circular shape). The segments 19 (i.e., circular segments or angled projections) may have different or uniform widths and/or lengths. The trailing edge 82 can be straight, serrated (according to any of Figures 1-6) or scalloped. It is intended that the scalloped belt of the first drawing may have a "crack" in the belt structure as shown in Figs. 7-9. Moreover, although not shown, the belt structure may include a leading edge and/or a trailing edge of the molar (i.e., having an irregular wavy or serrated configuration), the belt being characterized by optionally having one or more "cracks".烟 As described herein, smoking articles can include tobacco rods and cigarette paper. Preferably, the cigarette paper has a transverse dimension that accounts for the circumference of the tobacco rod and the overlapping slits. As a result, regardless of whether the cigarette paper is cracked or not, the tooth-shaped pattern always has a correct overlap when the cigarette is formed. In other words, it is determined that the lateral dimension of the molars and the mouth of the gingival band region is on the smoking article. Preferably, the leading edge of the belt region includes at least two jaws and at least two molars. For example, the leading edge of the belt region may include a second and a second, a third and a third or a four and a four. Thus, regardless of how the smoking article is placed on the platform during the ASTM test, there is constant symmetry in the band -16-200932130 domain. Without wishing to be bound by any theory, the letter will be adjusted by the front of the dentate shape when the smoking article is placed on the platform during the smoldering; in particular, the ridge of the leading edge reduces the progress of the smoldering, but During the free-burning state, the rim of the leading edge allows a limited amount of smoldering to continue. Therefore, it should be possible to achieve the desired characteristics of self-extinguishing and igniting. As is currently understood, in accordance with the present description, the zone of added material allows the smoking article to be designed to have a combination of low ignition tendency and low self-extinguishing enthalpy. The low venting zone of the material plus material provides a film forming composition region along the length of the tobacco rod, which cooperates with the platform to extinguish the ignited smoking article when the ignited smoking article is placed on the platform, but when the smoker is in a free burning state When the hand-held smoking article is held, such film-forming composition regions do not cause the smoking article to self-extinguish. Thus, in accordance with the present teachings, by applying a film-forming composition region to the backsheet, the smoking article can exhibit a reduced tendency to ignite while maintaining the desired free-burning properties or low self-extinguishing enthalpy. The added material can be applied to one or both sides of the bottom sheet. In order to achieve the ignition tendency and self-extinguishing characteristics of the desired smoking article, the zone 〇 is applied to the bottom sheet of the cigarette paper. One of the purposes of the present specification is to provide a cigarette paper which exhibits an ignition tendency of not more than 25 and a self-killing flaw of not more than 50 when forming a tobacco rod. Even the igniting tendency of the finished smoking product is not more than about 15 is preferred; and the best smoking product has a tendency to ignite no more than about 1 〇. It is also expected to have a lower self-extinguishing 値. In this aspect, the preferred self-extinguishing enthalpy is less than about 25; and the best self-extinguishing enthalpy is less than about 10 Å. The transverse dimension of the cigarette paper is selected based on the diameter of the finished smoking article (about 7 mm to about 10 mm) and the material is allowed to overlap the longitudinal slits of from about 1 mm to about 2 mm. -17- 200932130 For example, 'allowing a slit of 1 mm to overlap, for a cigarette having a circumference of about 25.6 mm, the transverse dimension of the cigarette paper may be about 27 mm. The belt region can be reduced in the air permeability of the paper in the belt region by coating one or more layers of the aqueous film-forming composition on the bottom sheet of the cigarette paper. Alternatively, cellulosic materials can also be used to form the ribbon regions. In the case of using a film-forming composition, preferably, the film-forming composition may comprise water and a high concentration, for example, from 20% to about 50% by weight of an occluding agent. The film-forming composition may comprise one or more absorbents such as starch, alginate, cellulose or gum, and may also comprise calcium carbonate as a chelating agent. In the case of a starch-based film-forming composition, a concentration of about 24% may be advantageous. The film forming composition can be applied to the bottom sheet of the cigarette paper 10 using gravure printing, digital printing, coating or spraying using a stencil, or any other suitable technique. For example, the film-forming composition disclosed in U.S. Patent Publication No. 2007/0 1 020 1 7 A1 and the method for coating a film-forming composition can be used to coat the belt-to-bottom sheet of the cigarette paper. For reference here. If desired, the strip regions of the added material can be formed into a plurality of continuous layers that are aligned or aligned with one another, such as two or more continuous layers. Moreover, when layers are used to form the ribbon regions of the additive material, the materials of the layers may be the same or different. For example, one layer may be starch and the second layer may be starch and calcium carbonate. In addition, the ability to extinguish the smoking article may depend on providing a minimum length of film forming composition, more depending on the particular weight per unit area of the film forming composition. If a combustion accelerator is applied to the paper, the amount of film-forming composition used can be increased without losing the free-burning properties. Preferably, the zone of added material reduces the air permeability of the -18-200932130 cigarette paper to a range of about OC to lOCoresta. The multi-step printing apparatus described herein typically comprises a reel, a first gravure printing station, a second gravure printing station, a third gravure printing station, a collecting reel, a roller, an impression cylinder, a support roller, a pliers, a sump, a pump Heat exchangers, applicators, tanks, collectors, drain holes, scrapers, adjustment rolls, and idle rolls. As an alternative to the gravure printing operation, the strip region or tape can be applied to the backsheet using the same cellulosic material that forms the backsheet. The belt region may comprise a highly refined cellulose (eg, fiber, fibril, microfibril, or combination thereof) slurry or other additive material that is coated using various spray or coating techniques, including as commonly co-owned US Patent US5 The application of a moving orifice applicator to the forming section of a paper machine is described in 997 691 and US Pat. No. 6,596, the disclosure of which is incorporated herein by reference. In the past, this technique has been used to form a zone in the circumferential direction by adjusting the relative movement between the roll paper and the moving hole of the device described in the commonly-owned U.S. Patent No. 5,997,691 and US Pat. No. 6,519,196. The strip area of the present disclosure can be easily formed. It should be noted that this configuration facilitates the operation of a moving orifice device with a slower belt speed that is more broadband and has a higher application rate. The terms and terms used herein must not be interpreted mathematically or geometrically. Instead, geometric terms are interpreted as close to or similar to the meaning of geometric terms and mourning. Terms such as “roughly” are intended to cover the precise meaning of related nouns and mournings, and provide a reasonable range consistent with form, function, and/or meaning. The term "about" used in relation to quantity is intended to include defects within 1 〇 % of the number -19- 200932130 described. While various embodiments have been described, it is to be understood that a variety of modifications, changes, and equivalents can be readily made by those skilled in the art. Such changes, changes and parity are considered to be within the scope and scope of the scope of the patent application. BRIEF DESCRIPTION OF THE DRAWINGS The many objects and advantages of the present disclosure will be apparent to those skilled in the <RTIgt; The present disclosure is a perspective view of a smoking article; FIG. 2 is a schematic view of a cigarette paper having a first embodiment of a toothed belt region; and FIG. 3 is a schematic view of a cigarette paper having a second embodiment of a toothed belt region; BRIEF DESCRIPTION OF THE DRAWINGS Fig. 5 is a schematic view showing a cigarette paper of a third embodiment of a toothed belt region; Fig. 5 is a schematic view showing a cigarette paper of a fourth embodiment having a toothed belt region; and Fig. 6 is a fifth embodiment of a toothed belt region. Fig. 7 is a schematic view showing a cigarette paper of a sixth embodiment having a toothed belt region; Q Fig. 8 is a schematic view showing a cigarette paper of the seventh embodiment having a toothed belt region; Fig. 10 is a schematic view showing the cigarette paper of the eighth embodiment of the toothed belt region; and Fig. 10 is a schematic view showing the cigarette paper of the ninth embodiment of the toothed belt region. [Main component symbol description] 1 smoking article 2 tobacco rod -20- 200932130
3 切割的塡充物 4 濾嘴 10 底薄片（卷煙紙） 12,125 帶區域 14 前緣 16 後緣 18 垛齒 19 扇形 20,2 0, 垛口 2 1 垛口之底部 22 垛齒 24 垛口 25 底部 30,32 線 3 3 垛齒 40 前緣 44 前緣垛齒 46 前緣垛口 48 後緣垛齒 50 後緣垛齒 60 ί朵齒 62 後緣垛口 70 後緣 -21 - 200932130 ❹ Ο 8 0 ί朵齒緣 8 1,83 裂縫 82 後緣 112,112，，112’ 帶部 114 前緣帶域 115 透氣率相對減少區域 116 指叉後緣帶域 117 透氣率相對增加區域 -22-3 Cut filling 4 Filter 10 Bottom sheet (cigarette paper) 12,125 Belt area 14 Leading edge 16 Trailing edge 18 Caries 19 Sector 20, 2 0, Mouth 2 1 Mouth of the mouth 22 Caries 24 Mouth 25 Bottom 30, 32 line 3 3 gingival 40 front edge 44 leading edge gingival 46 leading edge 48 mouth 48 trailing edge gingival 50 trailing edge gingival 60 朵 tooth 62 trailing edge 70 70 trailing edge-21 - 200932130 ❹ Ο 8 0 ί tooth Edge 8 1,83 crack 82 trailing edge 112,112,,112' belt portion 114 leading edge band 115 air permeability relative reduction area 116 finger trailing edge band 117 air permeability relatively increased area -22-