EP1182940A1 - Cigarette a filtre ventilee - Google Patents

Cigarette a filtre ventilee

Info

Publication number
EP1182940A1
EP1182940A1 EP00916882A EP00916882A EP1182940A1 EP 1182940 A1 EP1182940 A1 EP 1182940A1 EP 00916882 A EP00916882 A EP 00916882A EP 00916882 A EP00916882 A EP 00916882A EP 1182940 A1 EP1182940 A1 EP 1182940A1
Authority
EP
European Patent Office
Prior art keywords
filter
ventilated
cigarette according
den
core
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.)
Granted
Application number
EP00916882A
Other languages
German (de)
English (en)
Other versions
EP1182940B1 (fr
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/fr
Application granted granted Critical
Publication of EP1182940B1 publication Critical patent/EP1182940B1/fr
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
    • 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 the preamble of patent claim 1.
  • EP 0 875 160 A1 describes a ventilated filter cigarette which has a filter part which has a coaxial filter core and a filter jacket which surrounds the coaxial filter core.
  • ventilation holes for introducing ventilation air into the jacket are 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 covers the ventilation holes, the smoke is essentially passed through the filter jacket in the manner of a changeover valve, while in the case of uncovered ventilation holes, the smoke mainly flows through the filter core of the coaxial filter part.
  • the aim of this development is to be able to quantitatively control the smoke yield with different consumer behavior, for example to minimize an increase in the condensate values.
  • this smoke is an aerosol, i.e. a mixture of air and liquid droplets. These can be of significantly different sizes, but this is not recognizable to the human eye.
  • the taste assessment of tobacco smoke by the consumer i.e. the aroma quality or the intensity of the taste impression, is measured by the smoke flow rate and by the droplet size and distribution, which are measured with the help of mobility analyzers or by selective collection and sorting 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 with the features of claim 1 is used to solve this problem.
  • the condensate and nicotine values are set over a very short distance in the filter section facing the tobacco rod.
  • the filter diameter used by the main flow smoke is reduced, which accelerates the smoke in this area to about three times the speed.
  • Such a filter construction leads to a significant increase in aroma compared to a conventional filter with low condensate values. It has been shown that both the smoke composition and the average droplet size are influenced by the change in the flow rate and that the aroma impression and thus the taste can be increased at significantly higher flow rates.
  • the drawing shows a schematic representation of a filter cigarette with a tobacco rod 6 and a filter 7, which are arranged in a colinear manner one behind the other and connected to one another by a wrapping paper 8.
  • the tobacco rod is usually 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 tobacco rod 6 about 2 to 5 mm.
  • Suitable filter materials for the filter 7 are sheet-like, fibrous or granular filter materials, such as cellulose, cellulose esters, preferably cellulose acetate, meltblown filters, e.g. manufactured according to WO97 / 33026, airlaid filter material e.g. manufactured according to US 4,375,447, additive filter materials, tobacco, other easily decomposable filter materials or thermoplastic filter fibers.
  • Additives can be added by sprinkling or spraying onto the filter materials, e.g. Fibers, or by direct injection into the material strand.
  • Possible additives for the filter material are: flavoring agents, acids or bases in suspended or dissolved form, or selectively acting adsorbents such as activated carbon or SiO 2.
  • 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 a mouth-side filter part 4 in the form of a coaxial filter is connected at the end facing away from the tobacco rod 6.
  • the monofilter forming the tobacco rod-side filter part 3 is made of one of the above-mentioned filter materials, preferably of cellulose acetate with a single titer of 2.50 den and a total titer of 35,000 den and optionally mixed with activated carbon.
  • the outside diameter of the filter part 3 on the tobacco rod side is 7.8 mm, and its length is 13.0 mm.
  • the pressure drop in the tobacco rod-side filter part 3 should be, for example, 30 to 50 mmWS, preferably 42 mmWS.
  • the wrapping paper 8 is provided with ventilation holes 5 as ventilation means, which are arranged in the form of 1 to 3 rows, preferably 2 rows of holes, around the filter 7, in the area of the mouth-end filter part 4 is the wrapping paper 8 however completely impermeable.
  • ventilation holes 5 ventilation air m is sucked into the filter 7, which leads to the fact that the condensate and nicotine values of the main flow smoke supplied from the tobacco rod 6 are reduced in the area of the filter part 3 on the tobacco rod side.
  • ventilation holes are to be produced, for example mechanically or electrostatically or by means of laser perforations.
  • Other also known 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.
  • the pressure drop of the core can be between 10 and 50 mmWS.
  • the jacket is designed so that its pressure drop is at least a factor of 2 greater than that of the core.
  • the coat can also be smoke-tight.
  • 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 denier and a total titer of 17,000 denier. The tensile resistance or pressure drop of core 1 was 20 mmWS.
  • the jacket 2 coaxially surrounding the core 1 had an inner diameter of 4.0 mm and an outer diameter of 7.8 mm with a length of likewise 8.0 mm.
  • the coaxial filter had a length of 8.0 mm with a diameter of 7.8 mm.
  • Possible ranges for other embodiments are: a single titer in the range from 3.0 to 8.0 den, preferably 6.0 den and a total titer in the range from 15,000 to 50,000 den, preferably 17,000 den, for the core.
  • 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.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

La présente invention concerne une cigarette à filtre ventilée. Cette cigarette comprend un boudin de tabac et un filtre (7) en deux parties (3, 4), présentant un système de ventilation. Ledit système de ventilation se trouve dans la zone de la partie du filtre située côté boudin de tabac (3). De plus, la partie du filtre située côté boudin de tabac (3) est un segment de filtre en une partie, alors que la partie du filtre située côté bouche (4) est un segment de filtre en deux parties, pourvu d'un noyau (1) et d'une enveloppe (2) et appelé partie de filtre coaxiale ou filtre coaxial.
EP00916882A 1999-05-27 2000-03-01 Cigarette a filtre ventilee Expired - Lifetime EP1182940B1 (fr)

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 (fr) 1999-05-27 2000-03-01 Cigarette a filtre ventilee

Publications (2)

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

Family

ID=7910042

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00916882A Expired - Lifetime EP1182940B1 (fr) 1999-05-27 2000-03-01 Cigarette a filtre ventilee

Country Status (21)

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

Families Citing this family (13)

* 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
JP6326410B2 (ja) * 2012-05-31 2018-05-16 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 同心フィルタ付きの喫煙物品
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
US10820625B2 (en) 2014-05-30 2020-11-03 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
EP0783841A4 (fr) * 1995-08-04 1998-08-26 Mitsubishi Rayon Co 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0072705A1 *

Also Published As

Publication number Publication date
AU3807400A (en) 2000-12-18
HUP0201384A2 (en) 2002-08-28
PL352272A1 (en) 2003-08-11
DE19925313C2 (de) 2002-04-11
ATE241289T1 (de) 2003-06-15
CN1354630A (zh) 2002-06-19
TW505510B (en) 2002-10-11
SK17382001A3 (sk) 2002-04-04
CZ20014245A3 (cs) 2002-07-17
UA71011C2 (uk) 2004-11-15
PL204630B1 (pl) 2010-01-29
HK1047019A1 (en) 2003-02-07
SK284470B6 (sk) 2005-04-01
CN1135942C (zh) 2004-01-28
YU49403B (sh) 2005-11-28
CZ294432B6 (cs) 2005-01-12
EA200101254A1 (ru) 2002-04-25
HUP0201384A3 (en) 2002-09-30
JP2003500078A (ja) 2003-01-07
DE50002368D1 (de) 2003-07-03
TR200103393T2 (tr) 2002-05-21
DE19925313A1 (de) 2000-12-07
BG64188B1 (bg) 2004-04-30
WO2000072705A1 (fr) 2000-12-07
YU83901A (sh) 2003-10-31
EP1182940B1 (fr) 2003-05-28
HK1047019B (zh) 2004-12-10
ES2199807T3 (es) 2004-03-01
PT1182940E (pt) 2003-09-30
EA002654B1 (ru) 2002-08-29
KR20020020896A (ko) 2002-03-16
BG106261A (en) 2002-09-30

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