EP1182940B1 - Ventilierte filtercigarette - Google Patents

Ventilierte filtercigarette Download PDF

Info

Publication number
EP1182940B1
EP1182940B1 EP00916882A EP00916882A EP1182940B1 EP 1182940 B1 EP1182940 B1 EP 1182940B1 EP 00916882 A EP00916882 A EP 00916882A EP 00916882 A EP00916882 A EP 00916882A EP 1182940 B1 EP1182940 B1 EP 1182940B1
Authority
EP
European Patent Office
Prior art keywords
filter
ventilated
cigarette according
den
titre
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
EP00916882A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1182940A1 (de
Inventor
Paul-Georg Henning
Henning Seidel
Edgar Mentzel
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.)
Reemtsma Cigarettenfabriken GmbH
HF and PhF Reemtsma GmbH and Co
Original Assignee
Reemtsma Cigarettenfabriken GmbH
HF and PhF Reemtsma GmbH and Co
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 Reemtsma Cigarettenfabriken GmbH, HF and PhF Reemtsma GmbH and Co filed Critical Reemtsma Cigarettenfabriken GmbH
Priority to SI200030158T priority Critical patent/SI1182940T1/xx
Publication of EP1182940A1 publication Critical patent/EP1182940A1/de
Application granted granted Critical
Publication of EP1182940B1 publication Critical patent/EP1182940B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
    • 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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • 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
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
    • 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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163—Carbon

Definitions

  • the invention relates to a ventilated filter cigarette, according to Preamble of claim 1.
  • a ventilated filter cigarette is in EP 0 875 160 A1 described, which has a filter part that has a coaxial Filter core and a filter jacket surrounding the coaxial filter core has.
  • Ventilation holes for introducing ventilation air into the Coat provided.
  • the design of the material specifications and the dimensioning of the individual elements of the tobacco rod and the filter are designed so that when the smoker covering the ventilation holes, the smoke in the manner of a Changeover valve essentially passed through the filter jacket is, while with uncovered ventilation holes the smoke mainly through the filter core of the coaxial filter part flows.
  • the aim of this development is therefore the smoke yield control quantitatively with different consumer behavior to be able, for example, to increase the condensate values minimize.
  • this smoke is an aerosol Mixture of air and liquid droplets. These can be from be different sizes, but what for that human eye is not recognizable.
  • the taste assessment of tobacco smoke by the Consumers i.e. the aroma quality or the intensity of the Flavor rate is from the smoke flow rate and of the droplet size and its distribution, which with the help of mobility analyzers or by selective collection and Sort measured by particle weight or particle size can be influenced.
  • the object of the invention is to provide a filter construction with which the distribution of the droplet size supplied to the smoker and the flow rate of the smoke can be controlled.
  • a filter cigarette is used to achieve this object with the features of claim 1.
  • the surface of the core in the mouth-side filter part is impermeable or made impermeable, a Cross flow of the main flow smoke can be avoided.
  • the solution according to the invention has a filter construction guided, which acts in several stages:
  • the tobacco rod is turned Filter part on a very short distance the condensate and Nicotine levels set.
  • the second stage there is a Reduction of the filter diameter used by the main stream smoke, what the smoke in this area is about three times Speed accelerates.
  • Such a filter construction leads to a significant increase in aroma with low condensate values compared to a conventional filter. It has namely shown that both the smoke composition, as well the average droplet size due to the change in flow velocity be influenced and that Aroma impression and thus the taste at significantly higher Flow rates can be increased.
  • the drawing shows a schematic representation of a Filter cigarette with a tobacco rod 6 and a filter 7, the arranged in a colinear manner one behind the other and through a wrapping paper 8 are connected to each other.
  • the tobacco rod is between 55 and 75 mm long, while the Length of the filter is 21 to 27 mm.
  • the wrapping paper 8 covers the interface between the filter 7 and the String of tobacco 6 about 2 to 5 mm.
  • filter materials for the Filters 7 come sheet-like, fibrous or granular filter materials in question, such as cellulose, Cellulose esters, preferably cellulose acetate, meltblown filter material e.g. manufactured according to WO97 / 33026, airlaid filter material e.g. produced according to US 4,375,447, with additives removable filter materials, tobacco, other easily rotten Filter materials or thermoplastic filter fibers.
  • additives can be by sprinkling or spraying on the filter materials, e.g. Fibers, or by direct Injection into the strand of material.
  • Possible additives for the filter material are: Flavorings, acids or bases in suspended or dissolved form, or selectively acting adsorbents such as activated carbon or SiO2.
  • the pH values of the particle spectra can be influenced by adding acids or bases.
  • additives with a selective retention effect are organic acids and their salts, metals and metal oxides, Nitrogen components, ion exchange systems (e.g. zeolites), Alcohols, polyphenols and porphyrin derivatives.
  • the tobacco rod 6 is initially connected to a tobacco rod side Filter part 3 in the form of a so-called monofilter to which the mouth facing away from the tobacco rod 6 end Connects filter part 4 in the form of a coaxial filter.
  • the monofilter forming the filter part 3 on the tobacco rod side from one of the filter materials mentioned above, preferably from Cellulose acetate with a single titer of 2.50 den and one Total titre of 35,000 deniers produced and possibly with Activated carbon added.
  • the outside diameter of the filter part 3 on the tobacco rod side is 7.8 mm in one embodiment, its length makes 13.0 mm out.
  • the pressure drop in the tobacco rod-side filter part 3 should for example 30 to 50 mmWS, preferably 42 mmWS.
  • Ventilation means Exclusively in the area of the filter part 3 on the tobacco rod side is the wrapping paper 8 with ventilation holes 5 as Ventilation means provided in the form of 1 to 3 rows, preferably 2 rows of holes around the filter 7 are arranged in the area of the mouth-side filter part 4 the wrapping paper 8, however, completely impermeable.
  • Ventilation holes 5 becomes ventilation air in the filter 7 sucked, which leads to the fact that already in the area of tobacco rod-side filter part 3 the condensate and Nicotine levels of that supplied from the tobacco rod 6 Main stream smoke can be reduced.
  • Ventilation means are cannulas or material savings.
  • the mouth-side filter part 4 forming a coaxial filter has a core 1 and a jacket 2 coaxially surrounding the core 1 on.
  • the pressure drop of the core can be between 10 and 50 mmWS.
  • the jacket is designed so that its pressure drop at least by factor 2 is larger than that of the core.
  • the coat can also be impervious to smoke.
  • the core 1 had a diameter of 4.0 mm and a length of 8.0 mm. In one embodiment it was made from cellulose acetate with a single titer of 6.0 den and a total titer of 17,000 den. The train resistance or pressure drop of the Kerns 1 was 20 mmWS.
  • the jacket 2 coaxially surrounding the core 1 had one Inner diameter of 4.0 mm and an outer diameter of 7.8 mm with a length of 8.0 mm.
  • As material Cellulose acetate with a single titer of 2.1 den and one Total titer of 55,000 denied, resulting in a pressure drop led by 120 mmWS.
  • the coaxial filter had a length of 8.0 mm with a diameter of 7.8 mm.
  • Possible areas for other embodiments are: For the core a single titer in the range from 3.0 to 8.0 den, preferably 6.0 den and a total titer in the range of 15,000 up to 50,000 den, preferably 17,000 den.
  • the range for the tobacco rod-side single titer is 1.5 to 5 den and for the total titer 15000 to 60,000 den.
  • filter specification Kem coat string-side filter part material
  • CA CA CA Single / total fiber specification denier 6.00y / 17,000 2.10y / 55,000 2.50y / 35,000 diameter mm 4.0 Outside 7.8 inside 4.0 7.8 Cross-sectional area A mm 2 12.6 35.2 47.8 Cross-sectional area A % 26.4 73.6 100 Long mm 8.0 8.0 13.0 pressure drop mmCE 20 120 42 Pressure drop ⁇ P % 16.7 83.3 - Flow S S 100- ⁇ P % 83.3 16.7 100 Factor S / A 3.2 02 1.0

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP00916882A 1999-05-27 2000-03-01 Ventilierte filtercigarette Expired - Lifetime EP1182940B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200030158T SI1182940T1 (en) 1999-05-27 2000-03-01 Ventilated filter cigarette

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19925313 1999-05-27
DE19925313A DE19925313C2 (de) 1999-05-27 1999-05-27 Ventilierte Filtercigarette
PCT/EP2000/001724 WO2000072705A1 (de) 1999-05-27 2000-03-01 Ventilierte filtercigarette

Publications (2)

Publication Number Publication Date
EP1182940A1 EP1182940A1 (de) 2002-03-06
EP1182940B1 true EP1182940B1 (de) 2003-05-28

Family

ID=7910042

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00916882A Expired - Lifetime EP1182940B1 (de) 1999-05-27 2000-03-01 Ventilierte filtercigarette

Country Status (21)

Country Link
EP (1) EP1182940B1 (cs)
JP (1) JP2003500078A (cs)
KR (1) KR20020020896A (cs)
CN (1) CN1135942C (cs)
AT (1) ATE241289T1 (cs)
AU (1) AU3807400A (cs)
BG (1) BG64188B1 (cs)
CZ (1) CZ294432B6 (cs)
DE (2) DE19925313C2 (cs)
EA (1) EA002654B1 (cs)
ES (1) ES2199807T3 (cs)
HK (1) HK1047019B (cs)
HU (1) HUP0201384A3 (cs)
PL (1) PL204630B1 (cs)
PT (1) PT1182940E (cs)
SK (1) SK284470B6 (cs)
TR (1) TR200103393T2 (cs)
TW (1) TW505510B (cs)
UA (1) UA71011C2 (cs)
WO (1) WO2000072705A1 (cs)
YU (1) YU49403B (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11510434B2 (en) 2012-05-31 2022-11-29 Philip Morris Products S.A. Smoking article with concentric filter

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10009829A1 (de) * 2000-03-01 2001-09-20 Reemtsma H F & Ph Rauchartikel
US6883523B2 (en) * 2003-02-14 2005-04-26 Philip Morris Usa Inc. Cigarette having porous heat transfer tube
GB0713905D0 (en) 2007-07-17 2007-08-29 British American Tobacco Co Cellulose acetate thread in filter
KR101281808B1 (ko) * 2010-06-28 2013-07-04 주식회사 케이티앤지 동축 담배 필터 및 이를 포함하는 담배
CN101999755A (zh) * 2010-12-17 2011-04-06 南通烟滤嘴有限责任公司 纸芯同轴滤棒
CN102247010B (zh) * 2011-07-02 2013-08-21 云南瑞升烟草技术（集团）有限公司 一种线状功能型纤维材料在卷烟中的应用
GB201219540D0 (en) * 2012-10-31 2012-12-12 British American Tobacco Co A filter for a smoking article
TWI468120B (zh) * 2012-11-29 2015-01-11 Japan Tobacco Inc 濾嘴香煙製造方法以及濾嘴與濾嘴香煙
WO2015181354A1 (en) 2014-05-30 2015-12-03 Philip Morris Products S.A. Smoking article with ventilated mouth end cavity
JP6613246B2 (ja) * 2014-11-28 2019-11-27 株式会社ダイセル シガレットフィルター用セルロースアセテート繊維のトウバンドの製造装置、トウバンドの製造方法、及びシガレットフィルターの製造方法
GB201717567D0 (en) 2017-10-25 2017-12-06 British American Tobacco Investments Ltd A filter for a smoking article or an aerosol generating product
CN109924539B (zh) * 2017-12-15 2021-07-13 湖南中烟工业有限责任公司 可自动调控通风率的成型纸、滤嘴、卷烟及其制备和应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3408415A1 (de) * 1984-03-08 1985-09-19 H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg Filtercigarette mit ventiliertem hohlmundstueck
DE4118815C2 (de) * 1991-06-07 1996-02-01 Bat Cigarettenfab Gmbh Verfahren zur Herstellung eines Cigarettenfilters und nach diesem Verfahren hergestellter Cigarettenfilter
GB9214267D0 (en) * 1992-07-04 1992-08-19 British American Tobacco Co Improvements relating to smoking articles
DE4321069C2 (de) * 1993-06-24 1998-09-10 Bat Cigarettenfab Gmbh Koaxiale Filtercigarette
WO1997005790A1 (fr) * 1995-08-04 1997-02-20 Mitsubishi Rayon Co., Ltd. Materiau filtrant et filtre de cigarette realise avec ce materiau
DE19718296B4 (de) * 1997-04-30 2006-06-29 British American Tobacco (Germany) Gmbh Ventilierte Filtercigarette mit einem koaxialen Filterelement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11510434B2 (en) 2012-05-31 2022-11-29 Philip Morris Products S.A. Smoking article with concentric filter

Also Published As

Publication number Publication date
PT1182940E (pt) 2003-09-30
CZ20014245A3 (cs) 2002-07-17
EP1182940A1 (de) 2002-03-06
AU3807400A (en) 2000-12-18
BG106261A (en) 2002-09-30
DE19925313C2 (de) 2002-04-11
EA200101254A1 (ru) 2002-04-25
PL204630B1 (pl) 2010-01-29
ES2199807T3 (es) 2004-03-01
WO2000072705A1 (de) 2000-12-07
TW505510B (en) 2002-10-11
PL352272A1 (en) 2003-08-11
CZ294432B6 (cs) 2005-01-12
UA71011C2 (uk) 2004-11-15
DE19925313A1 (de) 2000-12-07
CN1135942C (zh) 2004-01-28
SK284470B6 (sk) 2005-04-01
HUP0201384A2 (en) 2002-08-28
TR200103393T2 (tr) 2002-05-21
YU49403B (sh) 2005-11-28
YU83901A (sh) 2003-10-31
HK1047019B (zh) 2004-12-10
JP2003500078A (ja) 2003-01-07
HUP0201384A3 (en) 2002-09-30
CN1354630A (zh) 2002-06-19
DE50002368D1 (de) 2003-07-03
ATE241289T1 (de) 2003-06-15
SK17382001A3 (sk) 2002-04-04
EA002654B1 (ru) 2002-08-29
BG64188B1 (bg) 2004-04-30
HK1047019A1 (en) 2003-02-07
KR20020020896A (ko) 2002-03-16

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