EP1475003A1 - Cigarette - Google Patents
Cigarette Download PDFInfo
- Publication number
- EP1475003A1 EP1475003A1 EP20030737455 EP03737455A EP1475003A1 EP 1475003 A1 EP1475003 A1 EP 1475003A1 EP 20030737455 EP20030737455 EP 20030737455 EP 03737455 A EP03737455 A EP 03737455A EP 1475003 A1 EP1475003 A1 EP 1475003A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cigarette
- cigarette paper
- paper sheet
- cut tobacco
- cut
- 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.)
- Withdrawn
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Images
Classifications
-
- 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
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
Definitions
- the present invention relates to a cigarette, and more specifically to a cigarette whose tobacco mainstream smoke is reduced in carbon monoxide amount.
- Jpn. Pat. Appln. KOKAI Publication No. 10-99067 Japanese Patent No. 3206885
- Japanese Patent No. 3206885 Japanese Patent No. 3206885
- An object of the present invention is to provide a cigarette which can further reduce the amount of carbon monoxide in the tobacco mainstream smoke, thereby achieving a further low CO/T ratio.
- the inventors of the present invention have conducted studies in detail on embossing made on cigarette paper sheet. As a result, they have found that the above-described object can be achieved by embossing cigarette paper so as to have a certain depth or more and by setting a cut width of cutting tobacco used at a certain width or more.
- the present invention is based on this finding.
- a cigarette comprising a tobacco portion having cut tobacco wrapped with a cigarette paper sheet into a rod shape, the cut tobacco having a cut width of 1.2 mm or more, projections having a height which corresponds to 1/3 or more of the thickness of the cigarette paper sheet being formed from the inner surface of the sheet in array partially or entirely on the surface of the cigarette paper sheet, the sheet being arranged with the projections directed towards the cut tobacco side.
- the cut tobacco has a cut width of 2.0 mm or more.
- the cigarette paper usually has a thickness of 10 to 50 ⁇ m.
- the projections may each have a truncated conical shape.
- the cigarette of the present invention includes a tobacco portion having cut tobacco wrapped with a cigarette paper sheet into a rod shape.
- the cut tobacco has a predetermined width
- the cigarette paper sheet has projections formed in array from its inner surface side to have a predetermined height.
- the cigarette paper sheet is disposed such that the projections are directed towards the cut tobacco side.
- FIG. 1 is an enlarged sectional view schematically showing a portion of a cigarette according to an embodiment of the present invention.
- a cigarette 10 includes a cut tobacco rod 12 in which cut tobacco is filled into a columnar shape, and the circumference of the rod is wrapped with a cigarette paper sheet 13, thus constituting a tobacco portion 11.
- the cut tobacco pieces constituting the cut tobacco rod 12 have a cut width of 1.2 mm or more.
- the width of the cut tobacco pieces is 2.0 mm or more.
- the width of the cut tobacco pieces is usually up to 3.0 mm. It should be noted that the cut tobacco having such a width can be obtained by a conventionally known method (See, for example, Jpn. Pat. Appln. KOKAI Publication No. 2000-224978).
- the cigarette paper sheet 13 wrapping the cut tobacco rod 12 has projections 13a formed in array in its inner surface, the projection having a height corresponding to 1/3 or more of the thickness of the cigarette paper sheet 13.
- the projections 13a are directed towards the cut tobacco rod 12 side. If the height of the projections taken from the inner surface of the cigarette paper sheet is less than 1/3 of the thickness of the sheet, the effect of reducing carbon monoxide in the mainstream smoke cannot be sufficiently obtained even if such cigarette paper is combined with the cut tobacco pieces having a width of 1.2 mm or more.
- the height of the projections 13a is usually not more than 10 times the thickness of the cigarette paper sheet.
- the projections 13a in the cigarette paper sheet 13 are formed usually by an embossing process in which the sheet is embossed with use of means such as a knurl member. It is preferable that the embossing provides a pattern of lattice of recesses (grooves).
- the cigarette paper to be embossed by the present invention is the one that is generally used for cigarettes.
- Such cigarette paper can have a basis weight of 15 to 60 g/m 2 , and it can contain a filler such as calcium carbonate in an amount of 0 to 60% by mass and a burn aid such as sodium citrate in an amount of 0 to 10% by mass.
- the thickness of the cigarette paper is usually 30 to 50 ⁇ m.
- the cigarette paper can have an air permeability of 0 to 100 CORESTA Unit (C.U.) before embossing, while it can have an air permeability of 0 to 200 C.U. after the embossing.
- a cigarette according to the present invention may have a filter, usually used for ordinary cigarettes, attached to the proximal end of the tobacco portion using tipping paper.
- FIG. 2 is a plan view showing a part of an inner surface of the embossed cigarette paper sheet 13, and FIG. 2B is a cross sectional view taken along the line IIB-IIB in FIG. 2A. Both FIGURES show enlarged views.
- the emboss applied on the cigarette paper sheet 13 shown in FIG. 2 is a rectangular lattice (a square lattice or rectangular lattice) pattern of grooves having substantially the same shape, and the pattern is formed entirely on the paper sheet 13 except for the lapping portions used for gluing.
- FIGS. 2A and 2B there are shown grooves 131-a1 to 131-a4 having an inverted trapezoidal shape in cross-section, which extend in parallel with each other in right and left directions of the FIGURE (to be referred to as "lateral" direction hereinafter, which may correspond to the longitudinal axis direction of the cigarette), and grooves 131-b1 to 131-b6 having an inverted trapezoidal shape in cross-section, which extend in parallel with each other in a direction orthogonal to the above grooves (to be also referred to as "orthogonal" direction hereinafter).
- Each of the rectangular regions in plan defined by the grooves 131-a1 to 131-a4 and the grooves 131-b1 to 131-b6 constitutes, three-dimensionally, a projection 132 (which corresponds to a projection 13a in FIG. 1) projecting in the form of tetragonal prismoid.
- the top surface of the tetragonal prismoid has a flat rectangular shape.
- the cigarette paper sheet 13 is wrapped around the cut tobacco rod 12 shown in FIG. 1 such that the rectangular top surfaces of the prismoid are abutted against the tobacco rod.
- a and A' represent the length of the substantially rectangular top surface of the projection 132 in the orthogonal direction and in the lateral direction, respectively;
- B and B' represent the length taken from the base of the projection 312 to the edge of the rectangular top surface in the orthogonal direction and in the lateral direction, respectively;
- C and C' represent the width of the bottom portion of the groove extending in the lateral direction and in the orthogonal direction, respectively;
- D is defined as an emboss pitch in the orthogonal direction (A + 2B + C);
- D' is defined as an emboss pitch in the lateral direction (A' + 2B' + C');
- E represents the depth of each groove (which is also the height of the projection 132 or the emboss depth ED);
- F represents the thickness of the cigarette paper sheet 13 (before being embossed):
- emboss depth can be measured using a probe type three-dimensional surface roughness measurement instrument (for example, SE-3AK of Kosaka Laboratory Ltd.).
- Each embossed dot shown in FIG. 2 has a shape of tetragonal prismoid; however, the present invention is not limited thereto.
- emboss dots having conical shapes (including pyramids and circular cones) and truncated conical shapes other than a tetragonal prismoid for examples, a prismoid other than a tetragonal prismoid, such as a trigonal or pentagonal prismoid, and a circular truncated cone
- emboss dots having a shape of a truncated cone are preferable, and emboss dots having a tetragonal prismoidal shape is particularly preferable.
- the cigarette of the present invention employs cut tobacco having the predetermined width and, at the same time, a cigarette paper sheet that has been specifically embossed.
- the amount of carbon monoxide in the mainstream smoke is synergistically reduced, and accordingly, the CO/T ratio is synergistically reduced.
- Cigarettes having a structure similar to that of an ordinary filter-tipped cigarette were prepared using the cut tobacco and cigarette paper sheets that had the specifications described below. Tipping paper was attached to the proximal end portion of each of the cigarettes prepared, and thus cigarette samples listed in TABLE 1 below were prepared. Five cigarette samples were prepared for each cigarette specification.
- Each of the cigarette samples was placed vertically on a smoking device (RGC system R26 of Borgwaldt Co.) and ignited at its distal end. Each sample was statically burned until its char line reaches a point 5 mm away from the distal end of the tipping paper and at that point each sample was puffed one time (puffing time: 2 seconds; puffed volume 35 mL), in order to eliminate the effects of dilution and diffusion from the cigarette paper sheet.
- the mainstream smoke was collected in a gas bag (Tedler bag of Supelco Co.). The collected mainstream smoke was subjected to a gas chromatography (Micro GC M200H of Agilient Co.) to measure the amount of carbon monoxide (CO).
- a cigarette that produces a further less amount of carbon monoxide in its tobacco mainstream smoke.
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002026943 | 2002-02-04 | ||
JP2002026943 | 2002-02-04 | ||
PCT/JP2003/001016 WO2003065828A1 (fr) | 2002-02-04 | 2003-01-31 | Cigarette |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1475003A1 true EP1475003A1 (fr) | 2004-11-10 |
EP1475003A4 EP1475003A4 (fr) | 2013-12-04 |
Family
ID=27677827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03737455.0A Withdrawn EP1475003A4 (fr) | 2002-02-04 | 2003-01-31 | Cigarette |
Country Status (11)
Country | Link |
---|---|
US (1) | US20050000533A1 (fr) |
EP (1) | EP1475003A4 (fr) |
JP (1) | JP3858024B2 (fr) |
KR (1) | KR100596553B1 (fr) |
CN (1) | CN1287695C (fr) |
AU (1) | AU2003244460A1 (fr) |
CA (1) | CA2474924C (fr) |
RU (1) | RU2259153C1 (fr) |
TW (1) | TW592642B (fr) |
UA (1) | UA74737C2 (fr) |
WO (1) | WO2003065828A1 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009037304A1 (fr) * | 2007-09-20 | 2009-03-26 | British American Tobacco (Investments) Limited | Produit à fumer doté d'un système de dégagement de la fumée modifié |
EP2106708A1 (fr) * | 2008-03-31 | 2009-10-07 | Reemtsma Cigarettenfabriken GmbH | Cigarette |
WO2011117106A1 (fr) * | 2010-03-22 | 2011-09-29 | British American Tobacco (Investments) Limited | Enveloppe pour article à fumer lip, article à fumer, procédé et dispositif |
WO2012055977A1 (fr) * | 2010-10-29 | 2012-05-03 | British American Tobacco (Investments) Limited | Article à fumer ventilé |
WO2012159887A1 (fr) * | 2011-05-20 | 2012-11-29 | British American Tobacco (Investments) Limited | Enveloppe d'article pour fumeur |
WO2014060455A1 (fr) * | 2012-10-16 | 2014-04-24 | British American Tobacco (Investments) Limited | Cape d'article à fumer et procédé de fabrication d'un article à fumer |
US10231478B2 (en) | 2008-05-20 | 2019-03-19 | British American Tobacco (Investments) Limited | Apparatus and method for making a smoking article |
WO2023046830A1 (fr) * | 2021-09-24 | 2023-03-30 | Jt International Sa | Reconnaissance de consommables basée sur le bruit de frottement d'éléments en relief |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0715172D0 (en) * | 2007-08-03 | 2007-09-12 | British American Tobacco Co | Filter and method for making a filter for a cigarette |
CN101581060B (zh) * | 2008-05-16 | 2013-03-13 | 印莫格不动产采购有限责任公司 | 一种香烟包裹材料及香烟 |
EP2636791B1 (fr) * | 2011-03-31 | 2019-01-02 | Japan Tobacco, Inc. | Papier à cigarette et cigarette pour réduire la quantité de fumée secondaire visible et le contenu en monoxyde de carbone dans la fumée principale |
UA108723C2 (uk) | 2011-12-21 | 2015-05-25 | Паперова трубка й інгалятор аромату | |
WO2015008253A1 (fr) | 2013-07-19 | 2015-01-22 | Philip Morris Products, S.A. | Papier hydrophobe |
US10245335B2 (en) | 2014-01-29 | 2019-04-02 | Turbett Surgical LLC | Sterilizing method and apparatus |
CN103989249B (zh) * | 2014-05-29 | 2016-08-24 | 南通烟滤嘴有限责任公司 | 细支沟槽滤棒及细支沟槽复合滤棒 |
EP3453268B1 (fr) * | 2017-09-07 | 2019-12-11 | Philip Morris Products S.a.s. | Article de génération d'aérosol ayant un emballage extérieur amélioré |
CN109730354A (zh) * | 2019-03-22 | 2019-05-10 | 安徽天翔高新特种包装材料集团有限公司 | 自截断通气量的接装纸组件 |
CN112043003A (zh) * | 2019-06-05 | 2020-12-08 | 湖南中烟工业有限责任公司 | 一种降低卷烟主流烟气中co释放量的方法 |
KR102412119B1 (ko) * | 2019-12-18 | 2022-06-22 | 주식회사 케이티앤지 | 제 1 래퍼 및 제 2 래퍼를 포함하는 에어로졸 발생 물품, 및 이를 이용한 에어로졸 발생 시스템 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2981261A (en) * | 1958-10-23 | 1961-04-25 | Rupert John Peter | Cigarette |
GB875252A (en) * | 1958-11-12 | 1961-08-16 | Franz Muth | Cigarette |
US3228402A (en) * | 1963-08-07 | 1966-01-11 | Herbert A Lebert | Embossed wrapper cigarette for preventing formation of high temperature smoke fractions in burning tobacco |
US4407308A (en) * | 1981-03-06 | 1983-10-04 | British-American Tobacco Company Limited | Smoking articles |
US5031646A (en) * | 1990-01-16 | 1991-07-16 | R. J. Reynolds Tobacco Company | Cigarette |
EP0880905A1 (fr) * | 1996-09-25 | 1998-12-02 | Japan Tobacco Inc. | Cigarette |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4779631A (en) * | 1987-03-06 | 1988-10-25 | Kimberly-Clark Corporation | Wrappers for specialty smoking devices |
US5105838A (en) * | 1990-10-23 | 1992-04-21 | R.J. Reynolds Tobacco Company | Cigarette |
JP3807574B2 (ja) * | 1997-12-15 | 2006-08-09 | 日本たばこ産業株式会社 | 二重の巻紙を有するシガレット |
DE19854662B4 (de) * | 1998-11-26 | 2004-06-03 | British-American Tobacco (Germany) Gmbh | Tabakschneidverfahren und -vorrichtung |
-
2003
- 2003-01-30 TW TW092102162A patent/TW592642B/zh not_active IP Right Cessation
- 2003-01-31 EP EP03737455.0A patent/EP1475003A4/fr not_active Withdrawn
- 2003-01-31 UA UA20040907255A patent/UA74737C2/uk unknown
- 2003-01-31 AU AU2003244460A patent/AU2003244460A1/en not_active Abandoned
- 2003-01-31 RU RU2004126696/12A patent/RU2259153C1/ru not_active IP Right Cessation
- 2003-01-31 KR KR1020047011165A patent/KR100596553B1/ko active IP Right Grant
- 2003-01-31 WO PCT/JP2003/001016 patent/WO2003065828A1/fr active Application Filing
- 2003-01-31 JP JP2003565263A patent/JP3858024B2/ja not_active Expired - Fee Related
- 2003-01-31 CA CA002474924A patent/CA2474924C/fr not_active Expired - Fee Related
- 2003-01-31 CN CNB038029014A patent/CN1287695C/zh not_active Expired - Fee Related
-
2004
- 2004-08-03 US US10/909,398 patent/US20050000533A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2981261A (en) * | 1958-10-23 | 1961-04-25 | Rupert John Peter | Cigarette |
GB875252A (en) * | 1958-11-12 | 1961-08-16 | Franz Muth | Cigarette |
US3228402A (en) * | 1963-08-07 | 1966-01-11 | Herbert A Lebert | Embossed wrapper cigarette for preventing formation of high temperature smoke fractions in burning tobacco |
US4407308A (en) * | 1981-03-06 | 1983-10-04 | British-American Tobacco Company Limited | Smoking articles |
US5031646A (en) * | 1990-01-16 | 1991-07-16 | R. J. Reynolds Tobacco Company | Cigarette |
EP0880905A1 (fr) * | 1996-09-25 | 1998-12-02 | Japan Tobacco Inc. | Cigarette |
Non-Patent Citations (1)
Title |
---|
See also references of WO03065828A1 * |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009037304A1 (fr) * | 2007-09-20 | 2009-03-26 | British American Tobacco (Investments) Limited | Produit à fumer doté d'un système de dégagement de la fumée modifié |
EP2106708A1 (fr) * | 2008-03-31 | 2009-10-07 | Reemtsma Cigarettenfabriken GmbH | Cigarette |
US10264814B2 (en) | 2008-05-20 | 2019-04-23 | British American Tobacco (Investments) Limited | Apparatus and method for making a smoking article |
US10231478B2 (en) | 2008-05-20 | 2019-03-19 | British American Tobacco (Investments) Limited | Apparatus and method for making a smoking article |
RU2566266C2 (ru) * | 2010-03-22 | 2015-10-20 | Бритиш Америкэн Тобэкко (Инвестментс) Лимитед | Обертка курительного изделия с низкой воспламеняющей способностью, курительное изделие, способ и устройство |
WO2011117106A1 (fr) * | 2010-03-22 | 2011-09-29 | British American Tobacco (Investments) Limited | Enveloppe pour article à fumer lip, article à fumer, procédé et dispositif |
CN102892313A (zh) * | 2010-03-22 | 2013-01-23 | 英美烟草(投资)有限公司 | 低点燃倾向吸烟物品包装纸、吸烟物品、方法和装置 |
CN103167809A (zh) * | 2010-10-29 | 2013-06-19 | 英美烟草(投资)有限公司 | 通气的吸烟制品 |
US9125436B2 (en) | 2010-10-29 | 2015-09-08 | British American Tobacco (Investments) Limited | Ventilated smoking article |
WO2012055977A1 (fr) * | 2010-10-29 | 2012-05-03 | British American Tobacco (Investments) Limited | Article à fumer ventilé |
CN103167809B (zh) * | 2010-10-29 | 2016-08-31 | 英美烟草(投资)有限公司 | 通气的吸烟制品 |
RU2613858C1 (ru) * | 2011-05-20 | 2017-03-21 | Бритиш Америкэн Тобэкко (Инвестментс) Лимитед | Обертка курительного изделия |
US8944075B2 (en) | 2011-05-20 | 2015-02-03 | British American Tobacco (Investments) Limited | Smoking article wrapper |
WO2012159887A1 (fr) * | 2011-05-20 | 2012-11-29 | British American Tobacco (Investments) Limited | Enveloppe d'article pour fumeur |
EP2952107A1 (fr) * | 2011-05-20 | 2015-12-09 | British American Tobacco (Investments) Limited | Papier pour article à fumer |
RU2580273C2 (ru) * | 2011-05-20 | 2016-04-10 | Бритиш Америкэн Тобэкко (Инвестментс) Лимитед | Обертка курительного изделия |
AU2013333959B2 (en) * | 2012-10-16 | 2016-04-14 | British American Tobacco (Investments) Limited | Smoking article wrapper and method of making a smoking article |
US9854832B2 (en) | 2012-10-16 | 2018-01-02 | British American Tobacco (Investments) Limited | Smoking article wrapper and method of making a smoking article |
AU2013333959C1 (en) * | 2012-10-16 | 2016-06-16 | British American Tobacco (Investments) Limited | Smoking article wrapper and method of making a smoking article |
WO2014060455A1 (fr) * | 2012-10-16 | 2014-04-24 | British American Tobacco (Investments) Limited | Cape d'article à fumer et procédé de fabrication d'un article à fumer |
EP3653065A1 (fr) * | 2012-10-16 | 2020-05-20 | British American Tobacco (Investments) Limited | Enveloppe d'article à fumer et procédé de fabrication d'un article à fumer |
WO2023046830A1 (fr) * | 2021-09-24 | 2023-03-30 | Jt International Sa | Reconnaissance de consommables basée sur le bruit de frottement d'éléments en relief |
Also Published As
Publication number | Publication date |
---|---|
UA74737C2 (en) | 2006-01-16 |
US20050000533A1 (en) | 2005-01-06 |
CN1287695C (zh) | 2006-12-06 |
CN1625349A (zh) | 2005-06-08 |
KR100596553B1 (ko) | 2006-07-06 |
TW592642B (en) | 2004-06-21 |
EP1475003A4 (fr) | 2013-12-04 |
JP3858024B2 (ja) | 2006-12-13 |
AU2003244460A1 (en) | 2003-09-02 |
CA2474924A1 (fr) | 2003-08-14 |
JPWO2003065828A1 (ja) | 2005-05-26 |
RU2259153C1 (ru) | 2005-08-27 |
CA2474924C (fr) | 2009-06-02 |
TW200302702A (en) | 2003-08-16 |
KR20040073573A (ko) | 2004-08-19 |
WO2003065828A1 (fr) | 2003-08-14 |
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A4 | Supplementary search report drawn up and despatched |
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Ipc: A24D 1/02 20060101AFI20131028BHEP |
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Effective date: 20131219 |