EP0875160B1 - Ventilierte Filtercigarette mit einem koaxialen Filterelement - Google Patents

Ventilierte Filtercigarette mit einem koaxialen Filterelement Download PDF

Info

Publication number
EP0875160B1
EP0875160B1 EP98105849A EP98105849A EP0875160B1 EP 0875160 B1 EP0875160 B1 EP 0875160B1 EP 98105849 A EP98105849 A EP 98105849A EP 98105849 A EP98105849 A EP 98105849A EP 0875160 B1 EP0875160 B1 EP 0875160B1
Authority
EP
European Patent Office
Prior art keywords
filter
segment
ventilated
cigarette
mmws
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
EP98105849A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0875160A1 (de
Inventor
Werner Dr. Schneider
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.)
British American Tobacco Germany GmbH
Original Assignee
British American Tobacco Germany GmbH
BAT Cigarettenfabriken GmbH
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 British American Tobacco Germany GmbH, BAT Cigarettenfabriken GmbH filed Critical British American Tobacco Germany GmbH
Publication of EP0875160A1 publication Critical patent/EP0875160A1/de
Application granted granted Critical
Publication of EP0875160B1 publication Critical patent/EP0875160B1/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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • 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
    • 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 of the type described in the preamble of claim 1 is described.
  • Ventilated filter cigarettes are known, see e.g. GB2119221 A. Such cigarettes have a ventilation zone on the filter, through which air is sucked in when pulling on the cigarette can be.
  • the ventilation zone can be perforated, for example Filter wrapping using laser beams, but also in various other ways getting produced.
  • the ventilation of the filter opens up the possibility of influencing the taste and can also help with modified cigarettes Adjust nicotine and condensate levels.
  • the advantage of the filter cigarette according to the invention is in particular that when smoking the cigarette with the ventilation zone closed, the smoke yield increases significantly less than in ventilated not according to the invention Filter cigarettes.
  • the design of the material specifications and the dimensioning the individual elements of the tobacco rod and the filter act in the manner a changeover valve.
  • the ventilation openings are open, the Smoke essentially through the filter core of the coaxial filter element, while flow guidance automatically when the ventilation openings are covered is present, in which a significant proportion of the cigarette smoke also contains the filter jacket flows through.
  • a cigarette according to the present invention increases For example, the condensate value when covering the ventilation openings only around about half the value of the increase in conventional filter cigarettes.
  • the filter can be a monofilter consisting of a single coaxial segment, but also a filter with several Be longitudinal segments, at least one of which is a coaxial segment.
  • the Ventilation zone is on the coaxial segment.
  • the filter has two Longitudinal segments, the string-side filter segment being a standard filter segment and the adjoining mouth-side segment is a coaxial filter segment is.
  • the filter has three Longitudinal segments, the filter element on the strand side being a conventional standard filter segment, the adjoining middle filter segment is a chamber with a selectively filtering material and the filter segment connected to it is a coaxial filter segment.
  • the installation of an additional segment as a chamber with selectively filtering material allows an advantageous adjustment of the composition of smoke.
  • a fourth filter design option is a filter with three To provide longitudinal segments, the strand-side filter element first common standard filter segment, the adjoining middle filter segment a coaxial filter element and the filter segment connected to it is a second common standard filter segment or a hollow mouthpiece.
  • the sheathing of the coaxial filter element Filter core is substantially impermeable to air, and preferably made of cellulose acetate or paper
  • the diameter of the filter core is dimensioned so that the ratio of the core cross-sectional area to the cross-sectional area of the jacket is significantly less than 1
  • the ratio of the tensile resistances of the filter jacket to Filter core is greater than 0.5, preferably 0.8 to 1.5
  • the specific tensile resistance of the filter core is 0.3 to 0.75, preferably 0.5
  • the ratio of the distance the ventilation zone from the mouth end of the coaxial filter element to Length of the coaxial filter element is greater than 0.8, preferably 0.87 to 0.93
  • the ventilation zone lies on the coaxial filter element, with the tobacco rod
  • the condensate yield is below 25 mg, preferably below 20 mg
  • the tensile resistance of the tobacco rod is below 60 mmWS, preferably below 50 mmWS.
  • the diameter of the filter of the ventilated filter cigarettes according to an advantageous embodiment of the present Invention is between 7.7 and 8.0 mm.
  • a ventilated filter cigarette in which the strand-side filter segment made of cellulose acetate there is a low single titer, preferably 2.1 dpf and lower, and has a draw resistance that is less than 60 mmWS, preferably 35 to 50 mmWS.
  • a ventilated filter cigarette according to the invention in which the mouth-side filter segment consists of cellulose acetate has this a high single titer, preferably 8 dpf, and a draw resistance that is lower is as 20 mmWS, preferably 10 mmWS.
  • This mouth-side filter segment can also be a hollow mouthpiece.
  • versions 2 and 3 are combinations of versions 2 and 3 with one additional mouth-side standard segment or a hollow mouthpiece. It can in further versions the mouth or tobacco standard segments also fiber filters with selective interferences such as activated carbon filters. Instead of the standard segments, specially shaped filter segments such as e.g. SCS filters from Filtrona can be used.
  • the materials for the filter core and the filter jacket of the coaxial filter elements can comprise all known filter materials, but preferably cellulose acetate used.
  • the data for the specific train resistance concern a tensile resistance, measured at 17.5 ml / s per unit length by unit area.
  • the length of the coaxial filter element is determined by the maximum predetermined length of the overall filter. The specification for this length can be made from technical or other reasons.
  • the materials for the Strand of tobacco are tobacco materials and / or other thermally decomposable materials.
  • the tobacco rod can be a standard tobacco rod or a coaxial rod.
  • FIG. 1 shows a ventilated filter cigarette according to the invention in one embodiment with a coaxial monofilter. It is therefore a Cigarette according to version no. 2 according to table 1.
  • the filter cigarette 10 according to Figure 1 has a tobacco rod 11 to which a coaxial filter 12 is attached.
  • the coaxial filter 12 has a filter core 14 and a filter jacket 13, the casing the filter core 14 is essentially impermeable to air.
  • By the dotted Line ventilation openings 15 are shown, for example, by laser perforation can be introduced.
  • the condensate yield of the ventilated filter cigarette 10 is approximately 10 mg. Becomes the ventilation zone 15 covered, there is only a slight increase in the Condensate yield by up to 1 mg.
  • FIG. 2 shows a further embodiment of the ventilated according to the invention Filter cigarette with a filter with two longitudinal segments. So here is one Cigarette according to version 1 shown in table 1.
  • the filter cigarette 20 has a tobacco rod 21 and a filter 22.
  • the filter is divided in two in length. It consists of a coaxial filter segment with Filter core 24 and filter jacket 23 and one between coaxial filter segment 23, 24 and tobacco rod 21 located standard filter segment 26.
  • the ventilation openings 25 are in the vicinity of the tobacco-side end of the coaxial segment 23, 24 indicated by a dotted line.
  • the condensate yield of the ventilated filter cigarette 20 is approximately 7 mg. Will the Ventilation zone 25 covered, so there is only a slight increase in Condensate yield by up to 2 mg.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP98105849A 1997-04-30 1998-03-31 Ventilierte Filtercigarette mit einem koaxialen Filterelement Expired - Lifetime EP0875160B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19718296A DE19718296B4 (de) 1997-04-30 1997-04-30 Ventilierte Filtercigarette mit einem koaxialen Filterelement
DE19718296 1997-04-30

Publications (2)

Publication Number Publication Date
EP0875160A1 EP0875160A1 (de) 1998-11-04
EP0875160B1 true EP0875160B1 (de) 2002-05-15

Family

ID=7828241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98105849A Expired - Lifetime EP0875160B1 (de) 1997-04-30 1998-03-31 Ventilierte Filtercigarette mit einem koaxialen Filterelement

Country Status (13)

Country Link
US (1) US5979459A (ja)
EP (1) EP0875160B1 (ja)
JP (1) JP3038182B2 (ja)
KR (1) KR100268330B1 (ja)
CN (1) CN1101160C (ja)
AU (1) AU727333B2 (ja)
BR (1) BR9801489A (ja)
CA (1) CA2235537C (ja)
DE (1) DE19718296B4 (ja)
HK (1) HK1011172A1 (ja)
ID (1) ID20244A (ja)
MY (1) MY119924A (ja)
SG (1) SG70077A1 (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6080092A (en) * 1994-10-06 2000-06-27 Xomed Surgical Products, Inc. Industrial cleaning sponge
DE19722812C2 (de) * 1997-05-30 2003-02-13 Bat Cigarettenfab Gmbh Ultraleicht-Koaxialcigarette mit mehrteiligem Filter
DE19925313C2 (de) * 1999-05-27 2002-04-11 Reemtsma H F & Ph Ventilierte Filtercigarette
GB9917819D0 (en) * 1999-07-29 1999-09-29 American Filtrona Corp Filter for a cigarette and filter cigarette
DE10009829A1 (de) * 2000-03-01 2001-09-20 Reemtsma H F & Ph Rauchartikel
US8113217B2 (en) * 2002-08-09 2012-02-14 British American Tobacco (Investments) Limited Filter tip cigarettes and method of manufacturing same
US7856990B2 (en) * 2003-09-30 2010-12-28 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US7669604B2 (en) * 2003-09-30 2010-03-02 R.J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US8066011B2 (en) 2003-09-30 2011-11-29 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US7434585B2 (en) * 2003-11-13 2008-10-14 R. J. Reynolds Tobacco Company Equipment and methods for manufacturing cigarettes
US8573230B2 (en) * 2005-12-12 2013-11-05 Philip Morris Usa Inc. Smoking article with coaxial tobacco rod
GB0603126D0 (en) * 2006-02-16 2006-03-29 British American Tobacco Co Improvements relating to smoking articles and filters therefor
NZ571453A (en) 2006-03-28 2011-09-30 Philip Morris Prod Smoking article with a restrictor that reduces carbon monoxide but maintains a high resistance to draw
US8353298B2 (en) 2006-07-12 2013-01-15 Philip Morris Usa Inc. Smoking article with impaction filter segment
US20080047571A1 (en) * 2006-07-12 2008-02-28 Philip Morris Usa Inc. Smoking article with plate impactor
US8424539B2 (en) 2006-08-08 2013-04-23 Philip Morris Usa Inc. Smoking article with single piece restrictor and chamber
TW200900014A (en) 2007-03-09 2009-01-01 Philip Morris Prod Smoking article filter with annular restrictor and downstream ventilation
TW200911138A (en) 2007-03-09 2009-03-16 Philip Morris Prod Smoking articles with restrictor and aerosol former
TW200911141A (en) 2007-03-09 2009-03-16 Philip Morris Prod Super recessed filter cigarette restrictor
US7597058B2 (en) * 2007-03-22 2009-10-06 Aisin Seiki Kabushiki Kaisha Apparatus for adjusting timing of needle and looptaker of sewing machine
GB0713905D0 (en) 2007-07-17 2007-08-29 British American Tobacco Co Cellulose acetate thread in filter
EP2253231A1 (en) * 2009-05-18 2010-11-24 Philip Morris Products S.A. Smoking article with improved flow restriction element
US8424540B2 (en) 2009-10-09 2013-04-23 Philip Morris Usa Inc. Smoking article with valved restrictor
US8997755B2 (en) * 2009-11-11 2015-04-07 R.J. Reynolds Tobacco Company Filter element comprising smoke-altering material
US9138016B2 (en) 2010-03-26 2015-09-22 Philip Morris Usa Inc. Smoking articles with significantly reduced gas vapor phase smoking constituents
US11957163B2 (en) 2011-04-08 2024-04-16 R.J. Reynolds Tobacco Company Multi-segment filter element including smoke-altering flavorant
US10609955B2 (en) 2011-04-08 2020-04-07 R.J. Reynolds Tobacco Company Filtered cigarette comprising a tubular element in filter
EP2510814A1 (en) * 2011-04-15 2012-10-17 Philip Morris Products S.A. Ventilated smoking article including sorbent material
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
GB201213786D0 (en) * 2012-08-01 2012-09-12 Filtrona Filter Prod Dev Co Tobacco smoke filter
CN106235405B (zh) * 2016-08-31 2023-06-09 云南中烟工业有限责任公司 一种可调节吸阻分布的卷烟滤嘴
JP7261177B2 (ja) * 2017-06-09 2023-04-19 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 繊維質フィルターセグメントを有するエアロゾル発生物品
GB201908353D0 (en) * 2019-06-11 2019-07-24 Nicoventures Trading Ltd A mouthpiece and an article for use in an aerosol provision system

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Publication number Priority date Publication date Assignee Title
US4034765A (en) * 1975-10-30 1977-07-12 Liggett & Myers Incorporated Tobacco smoke filter
DE3122193C2 (de) * 1981-06-04 1983-04-14 Julius Glatz Gmbh, 6731 Neidenfels Mundstück für Filterzigaretten
AU556902B2 (en) * 1981-12-18 1986-11-27 Cigarette Components Limited Tobacco smoke filter
GB2119221B (en) * 1982-04-05 1986-05-29 Filtrona Ltd Cigarette filter
US4715390A (en) * 1985-11-19 1987-12-29 Philip Morris Incorporated Matrix entrapment of flavorings for smoking articles
DE3743597C1 (de) * 1987-12-22 1989-02-16 Bat Cigarettenfab Gmbh Koaxialcigarette
GB8908535D0 (en) * 1989-04-14 1989-06-01 Tabac Fab Reunies Sa Cigarette and filter thereof
AU635095B2 (en) * 1990-08-24 1993-03-11 Philip Morris Products Inc. Concentric smoking filter having discrete tow and web filter media
US5622190A (en) * 1990-08-24 1997-04-22 Philip Morris Incorporated Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
DE4107522C2 (de) * 1991-03-08 1994-02-17 Bat Cigarettenfab Gmbh Koaxialcigarette
DE4127420C2 (de) * 1991-08-19 1996-07-25 Bat Cigarettenfab Gmbh Koaxiale Filtercigarette
DE4205658A1 (de) * 1992-02-25 1993-08-26 Reemtsma H F & Ph Ventilierte filtercigarette
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

Also Published As

Publication number Publication date
DE19718296A1 (de) 1998-11-05
CN1101160C (zh) 2003-02-12
AU727333B2 (en) 2000-12-07
CA2235537A1 (en) 1998-10-30
MX9803363A (es) 1998-12-31
DE19718296B4 (de) 2006-06-29
EP0875160A1 (de) 1998-11-04
KR100268330B1 (ko) 2000-10-16
CN1200899A (zh) 1998-12-09
JP3038182B2 (ja) 2000-05-08
US5979459A (en) 1999-11-09
MY119924A (en) 2005-08-30
ID20244A (id) 1998-11-05
CA2235537C (en) 2000-12-05
KR19980081360A (ko) 1998-11-25
JPH10327838A (ja) 1998-12-15
HK1011172A1 (en) 1999-07-09
SG70077A1 (en) 2000-01-25
AU6369998A (en) 1998-11-05
BR9801489A (pt) 1999-03-02

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