EP1493343B1 - Cigarette reduced in the amount of sub-stream smoke - Google Patents

Cigarette reduced in the amount of sub-stream smoke Download PDF

Info

Publication number
EP1493343B1
EP1493343B1 EP03744507.9A EP03744507A EP1493343B1 EP 1493343 B1 EP1493343 B1 EP 1493343B1 EP 03744507 A EP03744507 A EP 03744507A EP 1493343 B1 EP1493343 B1 EP 1493343B1
Authority
EP
European Patent Office
Prior art keywords
paper sheet
wrapper paper
amount
cigarette
cigarette according
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.)
Expired - Lifetime
Application number
EP03744507.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1493343A4 (en
EP1493343A1 (en
Inventor
Kazuko Takeda
Yoshiyuki Yamada
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
Publication of EP1493343A1 publication Critical patent/EP1493343A1/en
Publication of EP1493343A4 publication Critical patent/EP1493343A4/en
Application granted granted Critical
Publication of EP1493343B1 publication Critical patent/EP1493343B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 whose sidestream smoke amount reduced, and more specifically to a cigarette wrapped with an inner wrapper paper sheet and an outer wrapper paper sheet.
  • Japanese Patent No. 2572488 discloses a cigarette wrapped with an inner wrapper paper sheet having an air permeability of 1 to 5 CORESTA units and containing 1 to 8% by weight of a loading material (for example, calcium carbonate) and an outer wrapper paper sheet having a basis weight of 35 to 65 g/m 2 and containing 18 to 40% by weight of a loading material (for example, calcium carbonate).
  • a loading material for example, calcium carbonate
  • 6-7141 discloses a cigarette wrapped with an inner wrapper paper sheet containing a magnesium-containing loading material and an outer wrapper paper sheet containing an additive package of alkali metal ions, alkaline-earth metal ions, inorganic anions and organic anions.
  • Each of the conventional cigarettes has a slow burn rate and therefore a small amount of sidestream smoke per unit time.
  • these cigarettes entail a problem of a large amount of sidestream smoke per cigarette.
  • an object of the present invention is to provide a cigarette which is small not only in an amount of sidestream smoke per unit time, but also in an amount of sidestream smoke per cigarette.
  • the above-described object of the present invention has been achieved by studying the wrapper paper itself that wraps cigarettes without providing a filter or technically improving the tobacco filler material (for example, cut tobacco).
  • a cigarette characterized by comprising a tobacco section including a tobacco filler rod wrapped with an inner wrapper paper sheet containing less than 4% by weight of calcium carbonate and an outer wrapper paper containing calcium carbonate in an amount of 30 g/m 2 and a burn adjusting agent in an amount of 3% by weight or more.
  • the cigarette of the present invention comprises a tobacco section including a tobacco filler rod wrapped with a predetermined inner wrapper paper sheet and a predetermined outer wrapper paper sheet.
  • An ordinary filter may be attached to one end of the tobacco section.
  • the inner wrapper paper sheet has a calcium carbonate content of less than 4% by weight, and thus does not substantially contain calcium carbonate.
  • the inner wrapper paper contains calcium carbonate in an amount of 4% by weight or more, the burn rate of the resultant cigarette becomes excessively high, and therefore the amount of the sidestream smoke per unit time cannot be significantly decreased. It is preferable that the inner wrapper paper does not contain calcium carbonate.
  • the pulp that constitutes the inner wrapper paper sheet may be any type pulp as long as it is a pulp that is usually employed for a wrapper paper sheet of a smoking article, such as flax pulp. It is preferable that the amount of pulp is 10 to 18 g/m 2 . When the amount of pulp is less than 10 g/m 2 , there is a tendency that it becomes difficult to stably manufacture the wrapper paper. On the other hand, when the amount of pulp exceeds 18 g/m 2 , there is a tendency that the flavor of the cigarette becomes unfavorable.
  • the air permeability of the inner wrapper paper sheet becomes lower, the amount of sidestream smoke of the resultant cigarette per unit time is further decreased. It is preferable that the air permeability of the inner wrapper paper sheet is 1 to 30 CORESTA units (CU), and more preferably, 6 CU to 30 CU.
  • the inner wrapper paper sheet may contain a burn adjusting agent, but the amount thereof is preferably up to 1% by weight (0 to 1% by weight). If the amount of the burn adjusting agent exceeds 1% by weight, there is a tendency that the resultant cigarette cannot maintain a preferable burn rate of 6 mm/minute or higher, which will be described later.
  • the burn adjusting agent added to the inner wrapper paper sheet can be selected from alkali metal salts of organic acids such as sodium citrate, potassium citrate, sodium acetate, potassium acetate, sodium tartrate, potassium tartrate, sodium malate, potassium malate, sodium succinate, potassium succinate and the like.
  • the outer wrapper paper sheet employed in the present invention contains calcium carbonate in an amount of 30 g/m 2 or more and a burn adjusting agent in an amount of 3% by weight or more.
  • a burn adjusting agent in an amount of 3% by weight or more.
  • the amount of calcium carbonate is less than 30 g/m 2 and/or the amount of the burn adjusting agent is less than 3% by weight, the effect of reducing the amount of the sidestream smoke is not sufficiently exhibited.
  • calcium carbonate is contained in an amount of 30 g/m 2 or more and 50 g/m 2 or less
  • the burn adjusting agent is contained in the wrapper paper in an amount of 3 to 15% by weight.
  • alkali metal salts of succinic acids are preferably used.
  • potassium succinate and sodium succinate are particularly preferable. These materials can be used singly or in combination.
  • the pulp that constitutes the outer wrapper paper sheet may be of the same type as that used for the inner wrapper paper sheet. It is preferable that the amount of pulp is 20 to 50 g/m 2 .
  • the outer wrapper paper sheet has a basis weight of 50 g/m 2 to 100 g/m 2 .
  • calcium carbonate is added in the form of grains.
  • the grain diameter can be selected arbitrarily in consideration of cost and easiness of making paper, but it should preferably be 0.02 ⁇ m to 10 ⁇ m.
  • the cigarette of the present invention which has the tobacco section doubly wrapped with the inner wrapper paper sheet and the outer wrapper paper sheet, is small in the sidestream smoke amount per unit time, but also in the sidestream smoke amount per cigarette.
  • the outer wrapper paper sheet which contains a relatively large amount of calcium carbonate, has a high combustibility.
  • the burn rate of the cigarette of the present invention is about 6 mm/minute or higher, and more preferably, 7 mm/minute or higher.
  • Such a burn rate can be achieved by setting the content of the burn adjusting agent of the inner wrapper paper sheet to 0 to 1% by weight as described above.
  • the burn rate of the cigarette of the present invention is usually no more than about 12 mm/minute. It should be noted that the burn rate of a cigarette can be measured by an ordinary fishtail method.
  • Cigarettes of the structure below were prepared.
  • the cigarettes of the present invention each indicated a significant decrease in amounts of sidestream smoke both per unit time and per cigarette.
  • the amount of the sidestream smoke per unit time and the amount of the sidestream smoke per cigarette of the cigarette of the present invention are remarkably reduced.
  • the amount of the sidestream smoke per unit time and the amount of the sidestream smoke per cigarette of the cigarette of the present invention are remarkably reduced when the amount of calcium carbonate contained in the inner wrapper paper sheet is set to less than 4% by weight.
  • each of the cigarettes of the present invention exhibited a burn rate of about 6 mm/min or more and showed a significant decrease in both of the amount of the sidestream smoke per unit time and the amount of the sidestream smoke per cigarette.
  • a cigarette small not only in the amount of sidestream smoke per unit time but also in the amount of sidestream smoke per cigarette.

Landscapes

  • Paper (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP03744507.9A 2002-03-18 2003-03-03 Cigarette reduced in the amount of sub-stream smoke Expired - Lifetime EP1493343B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002074943 2002-03-18
JP2002074943 2002-03-18
PCT/JP2003/002430 WO2003077688A1 (fr) 2002-03-18 2003-03-03 Cigarette presentant une quantite reduite de fumee indirecte

Publications (3)

Publication Number Publication Date
EP1493343A1 EP1493343A1 (en) 2005-01-05
EP1493343A4 EP1493343A4 (en) 2011-03-16
EP1493343B1 true EP1493343B1 (en) 2014-05-07

Family

ID=28035340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03744507.9A Expired - Lifetime EP1493343B1 (en) 2002-03-18 2003-03-03 Cigarette reduced in the amount of sub-stream smoke

Country Status (13)

Country Link
EP (1) EP1493343B1 (ru)
JP (1) JP3895329B2 (ru)
KR (1) KR100637267B1 (ru)
CN (1) CN1642448B (ru)
AU (1) AU2003211630A1 (ru)
CA (1) CA2479162C (ru)
DK (1) DK1493343T3 (ru)
ES (1) ES2462915T3 (ru)
PT (1) PT1493343E (ru)
RU (1) RU2279233C2 (ru)
TW (1) TWI238048B (ru)
UA (1) UA78769C2 (ru)
WO (1) WO2003077688A1 (ru)

Families Citing this family (8)

* 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
UA107962C2 (en) 2010-03-26 2015-03-10 Philip Morris Products Sa Smoking accessories with heat-resistant sheet materials
KR101230582B1 (ko) * 2010-09-10 2013-02-06 주식회사 케이티앤지 담배 섬유를 이용한 궐련지 및 이를 포함하는 담배
ES2393460B1 (es) * 2011-06-09 2013-10-18 Miquel Y Costas & Miquel, S.A. Composición para recubrimiento de una envoltura de papel de artículos de fumar
ES2402151B1 (es) * 2011-10-17 2014-02-28 Miquel Y Costas & Miquel, S.A. Procedimiento de impresión monocapa de papel para artículos de fumar.
WO2014087529A1 (ja) * 2012-12-06 2014-06-12 日本たばこ産業株式会社 ２重巻紙シガレット
WO2014087530A1 (ja) * 2012-12-06 2014-06-12 日本たばこ産業株式会社 ２重巻紙シガレット
CN106567276A (zh) * 2015-10-08 2017-04-19 日本制纸巴比利亚股份有限公司 吸烟物品用卷纸

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231377A (en) * 1978-08-30 1980-11-04 Olin Corporation Wrapper for smoking articles containing magnesium oxide
US4622983A (en) * 1983-08-08 1986-11-18 Kimberly-Clark Corporation Reduced ignition proclivity smoking article wrapper and smoking article
US5271419A (en) * 1989-09-29 1993-12-21 R. J. Reynolds Tobacco Company Cigarette
JP2572488B2 (ja) * 1989-06-02 1997-01-16 ロスマンズ，ベンソン アンド ヘッジズ インコーポレイテッド 側流煙（煙の横もれ）の少い紙巻たばこ
US5143098A (en) * 1989-06-12 1992-09-01 Philip Morris Incorporated Multiple layer cigarette paper for reducing sidestream smoke
JPH11124798A (ja) * 1997-10-22 1999-05-11 Japan Tobacco Inc 燃焼性に優れたシガレット用巻紙およびシガレット
TW387799B (en) * 1998-01-20 2000-04-21 Japan Tobacco Inc Low side-flow roll cigarette

Also Published As

Publication number Publication date
EP1493343A4 (en) 2011-03-16
CN1642448B (zh) 2010-05-12
JPWO2003077688A1 (ja) 2005-07-14
JP3895329B2 (ja) 2007-03-22
TW200304779A (en) 2003-10-16
PT1493343E (pt) 2014-06-12
CA2479162C (en) 2008-10-07
AU2003211630A1 (en) 2003-09-29
ES2462915T3 (es) 2014-05-26
KR20040084952A (ko) 2004-10-06
KR100637267B1 (ko) 2006-10-23
EP1493343A1 (en) 2005-01-05
RU2279233C2 (ru) 2006-07-10
DK1493343T3 (da) 2014-07-28
CN1642448A (zh) 2005-07-20
WO2003077688A1 (fr) 2003-09-25
TWI238048B (en) 2005-08-21
RU2004130494A (ru) 2005-04-10
CA2479162A1 (en) 2003-09-25
UA78769C2 (en) 2007-04-25

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