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US20050000533A1 - Cigarette - Google Patents

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Publication number
US20050000533A1
US20050000533A1 US10/909,398 US90939804A US2005000533A1 US 20050000533 A1 US20050000533 A1 US 20050000533A1 US 90939804 A US90939804 A US 90939804A US 2005000533 A1 US2005000533 A1 US 2005000533A1
Authority
US
United States
Prior art keywords
cigarette
paper sheet
cigarette paper
cut
cut tobacco
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.)
Abandoned
Application number
US10/909,398
Other languages
English (en)
Inventor
Yoshiyuki Yamada
Masafumi Tarora
Atsushi Nagao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Japan Tobacco Inc filed Critical Japan Tobacco Inc
Assigned to JAPAN TOBACCO INC. reassignment JAPAN TOBACCO INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NAGAO, ATSUSHI, TARORA, MASAFUMI, YAMADA, YOSHIYUKI
Publication of US20050000533A1 publication Critical patent/US20050000533A1/en
Abandoned legal-status Critical Current

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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.
  • FIG. 1 is a sectional view schematically showing a cigarette according to an embodiment of the present invention
  • FIG. 2A is a plan view showing an example of a embossed cigarette paper sheet used in the present invention.
  • FIG. 2B is a sectional view taken along the line IIB-IIB of the cigarette paper sheet shown in FIG. 2A .
  • 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 13 a 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 13 a 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 13 a is usually not more than 10 times the thickness of the cigarette paper sheet.
  • the projections 13 a 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
  • 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 - a 1 to 131 - a 4 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 - b 1 to 131 - b 6 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 - a 1 to 131 - a 4 and the grooves 131 - b 1 to 131 - b 6 constitutes, three-dimensionally, a projection 132 (which corresponds to a projection 13 a 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.
  • Width of cut piece 0.8 mm or 2 mm
  • Amount of filler used 28% by mass
  • Thickness 32 ⁇ m
  • Air permeability 24 C.U.
  • Amount of filler used 28% by mass
  • Thickness 32 ⁇ m
  • Emboss dot width (corresponding to A+2B in FIG. 2 ): 0.4 mm
  • Air permeability 80 C.U.
  • 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)
  • Manufacture Of Tobacco Products (AREA)
US10/909,398 2002-02-04 2004-08-03 Cigarette Abandoned US20050000533A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002026943 2002-02-04
JP2002-026943 2002-02-04
PCT/JP2003/001016 WO2003065828A1 (fr) 2002-02-04 2003-01-31 Cigarette

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/001016 Continuation WO2003065828A1 (fr) 2002-02-04 2003-01-31 Cigarette

Publications (1)

Publication Number Publication Date
US20050000533A1 true US20050000533A1 (en) 2005-01-06

Family

ID=27677827

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/909,398 Abandoned US20050000533A1 (en) 2002-02-04 2004-08-03 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 (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100263682A1 (en) * 2007-08-03 2010-10-21 Peter Rex White Filter and Method for Making a Filter for a Cigarette
US20130247925A1 (en) * 2011-03-31 2013-09-26 Japan Tobacco Inc. Cigarette paper and cigarette reducing visible sidestream smoke amount and carbon monoxide amount in mainstream smoke
US8944075B2 (en) 2011-05-20 2015-02-03 British American Tobacco (Investments) Limited Smoking article wrapper
US9854832B2 (en) 2012-10-16 2018-01-02 British American Tobacco (Investments) Limited Smoking article wrapper and method of making a smoking article
US10245335B2 (en) 2014-01-29 2019-04-02 Turbett Surgical LLC Sterilizing method and apparatus
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
US10542773B2 (en) 2013-07-19 2020-01-28 Philip Morris Products S.A. Hydrophobic paper
US11076633B2 (en) * 2017-09-07 2021-08-03 Philip Morris Products S.A. Aerosol-generating article with improved outermost wrapper
US20220142233A1 (en) * 2019-12-18 2022-05-12 Kt&G Corporation Aerosol-generating article including first wrapper and second wrapper, and aerosol-generating system using the aerosol-generating article
CN114554879A (zh) * 2019-10-23 2022-05-27 日本烟草国际股份有限公司 深压花高渗透香烟纸
RU2807049C2 (ru) * 2017-09-07 2023-11-09 Филип Моррис Продактс С.А. Изделие, генерирующее аэрозоль, с улучшенной наиболее удаленной от центра оберткой (варианты)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0718406D0 (en) * 2007-09-20 2007-10-31 British American Tobacco Co Smoking article with modified smoke delivery
EP2106708A1 (fr) * 2008-03-31 2009-10-07 Reemtsma Cigarettenfabriken GmbH 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
GB0809135D0 (en) 2008-05-20 2008-06-25 British American Tobacco Co Apparatus and method for making a smoking article
BR112012023830A2 (pt) * 2010-03-22 2016-08-02 British American Tobacco Co invólucro com propensão reduzida para a ignição, artigo de fumo contendo o mesmo, método para a formação dos mesmos e rolo de aplicação de relevo
GB201018310D0 (en) * 2010-10-29 2010-12-15 British American Tobacco Co Ventilated smoking article
JP5762568B2 (ja) * 2011-12-21 2015-08-12 日本たばこ産業株式会社 紙管および、これを用いた香味吸引具
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
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
WO2023046830A1 (fr) * 2021-09-24 2023-03-30 Jt International Sa Reconnaissance de consommables basée sur le bruit de frottement d'éléments en relief

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981261A (en) * 1958-10-23 1961-04-25 Rupert John Peter Cigarette
US4407308A (en) * 1981-03-06 1983-10-04 British-American Tobacco Company Limited Smoking articles
US4779631A (en) * 1987-03-06 1988-10-25 Kimberly-Clark Corporation Wrappers for specialty smoking devices
US5031646A (en) * 1990-01-16 1991-07-16 R. J. Reynolds Tobacco Company Cigarette
US5105838A (en) * 1990-10-23 1992-04-21 R.J. Reynolds Tobacco Company Cigarette
US6019106A (en) * 1996-09-25 2000-02-01 Japan Tobacco Inc. Embossed cigarette wrapper with improved holding force

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH374320A (de) * 1958-11-12 1963-12-31 Reemtsma H F & Ph Zigarette
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
US5394895A (en) * 1991-03-11 1995-03-07 Japan Tobacco, Inc. Tipping paper and cigarette using the same
US5464028A (en) * 1992-07-29 1995-11-07 Japan Tobacco, Inc. 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
CN1128588C (zh) * 1998-11-09 2003-11-26 日本烟草产业株式会社 带过滤嘴香烟
DE19854662B4 (de) * 1998-11-26 2004-06-03 British-American Tobacco (Germany) Gmbh Tabakschneidverfahren und -vorrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981261A (en) * 1958-10-23 1961-04-25 Rupert John Peter Cigarette
US4407308A (en) * 1981-03-06 1983-10-04 British-American Tobacco Company Limited Smoking articles
US4779631A (en) * 1987-03-06 1988-10-25 Kimberly-Clark Corporation Wrappers for specialty smoking devices
US5031646A (en) * 1990-01-16 1991-07-16 R. J. Reynolds Tobacco Company Cigarette
US5105838A (en) * 1990-10-23 1992-04-21 R.J. Reynolds Tobacco Company Cigarette
US6019106A (en) * 1996-09-25 2000-02-01 Japan Tobacco Inc. Embossed cigarette wrapper with improved holding force

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8955524B2 (en) 2007-08-03 2015-02-17 British American Tobacco (Investments) Limited Filter and method for making a filter for a cigarette
US20100263682A1 (en) * 2007-08-03 2010-10-21 Peter Rex White Filter and Method for Making a Filter for a Cigarette
US20130247925A1 (en) * 2011-03-31 2013-09-26 Japan Tobacco Inc. Cigarette paper and cigarette reducing visible sidestream smoke amount and carbon monoxide amount in mainstream smoke
US8944075B2 (en) 2011-05-20 2015-02-03 British American Tobacco (Investments) Limited Smoking article wrapper
US9854832B2 (en) 2012-10-16 2018-01-02 British American Tobacco (Investments) Limited Smoking article wrapper and method of making a smoking article
RU2643993C2 (ru) * 2012-10-16 2018-02-06 Бритиш Америкэн Тобэкко (Инвестментс) Лимитед Обертка курительного изделия и способ изготовления курительного изделия
US10542773B2 (en) 2013-07-19 2020-01-28 Philip Morris Products S.A. Hydrophobic paper
US10245335B2 (en) 2014-01-29 2019-04-02 Turbett Surgical LLC Sterilizing method and apparatus
US11076633B2 (en) * 2017-09-07 2021-08-03 Philip Morris Products S.A. Aerosol-generating article with improved outermost wrapper
US11800891B2 (en) 2017-09-07 2023-10-31 Philip Morris Products S.A. Aerosol-generating article with improved outermost wrapper
RU2807049C2 (ru) * 2017-09-07 2023-11-09 Филип Моррис Продактс С.А. Изделие, генерирующее аэрозоль, с улучшенной наиболее удаленной от центра оберткой (варианты)
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
CN114554879A (zh) * 2019-10-23 2022-05-27 日本烟草国际股份有限公司 深压花高渗透香烟纸
US20220395018A1 (en) * 2019-10-23 2022-12-15 Jt International Sa Deeply Embossed Highly Permeable Cigarette Paper
US20220142233A1 (en) * 2019-12-18 2022-05-12 Kt&G Corporation Aerosol-generating article including first wrapper and second wrapper, and aerosol-generating system using the aerosol-generating article

Also Published As

Publication number Publication date
RU2259153C1 (ru) 2005-08-27
UA74737C2 (en) 2006-01-16
KR100596553B1 (ko) 2006-07-06
CN1625349A (zh) 2005-06-08
AU2003244460A1 (en) 2003-09-02
EP1475003A4 (fr) 2013-12-04
WO2003065828A1 (fr) 2003-08-14
CN1287695C (zh) 2006-12-06
CA2474924A1 (fr) 2003-08-14
JP3858024B2 (ja) 2006-12-13
CA2474924C (fr) 2009-06-02
TW592642B (en) 2004-06-21
JPWO2003065828A1 (ja) 2005-05-26
TW200302702A (en) 2003-08-16
EP1475003A1 (fr) 2004-11-10
KR20040073573A (ko) 2004-08-19

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Legal Events

Date Code Title Description
AS Assignment

Owner name: JAPAN TOBACCO INC., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YAMADA, YOSHIYUKI;TARORA, MASAFUMI;NAGAO, ATSUSHI;REEL/FRAME:015654/0695

Effective date: 20040721

STCB Information on status: application discontinuation

Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION