EP0880904B1 - Cigarette coaxial ultra-légère avec un filtre en plusieurs parties - Google Patents

Cigarette coaxial ultra-légère avec un filtre en plusieurs parties Download PDF

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Publication number
EP0880904B1
EP0880904B1 EP98109005A EP98109005A EP0880904B1 EP 0880904 B1 EP0880904 B1 EP 0880904B1 EP 98109005 A EP98109005 A EP 98109005A EP 98109005 A EP98109005 A EP 98109005A EP 0880904 B1 EP0880904 B1 EP 0880904B1
Authority
EP
European Patent Office
Prior art keywords
filter
coaxial
segment
range
rod
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
EP98109005A
Other languages
German (de)
English (en)
Other versions
EP0880904A1 (fr
Inventor
Werner Dr. Schneider
Adolf Dr. Schlüter
Erwin Dr. Kausch
Volker Dr. Heemann
Ursula Köpke
Wolfgang Metzner
Bernd-Henrik Dr. Müller
Heiner Ritter
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
Priority to SI9830050T priority Critical patent/SI0880904T1/xx
Publication of EP0880904A1 publication Critical patent/EP0880904A1/fr
Application granted granted Critical
Publication of EP0880904B1 publication Critical patent/EP0880904B1/fr
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 OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0287—Manufacture of tobacco smoke filters for filters with special features for composite filters
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF 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 OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/042—Cigars; Cigarettes with mouthpieces or filter-tips with mouthpieces
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of 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

Definitions

  • the present invention relates to a coaxial cigarette with a coaxial tobacco rod, one strand core, one strand core covering, one strand jacket and one Has strand casing, and with a multi-part ventilated filter.
  • a Koxialcigarette in which both the filter and the tobacco rod are coaxial, is known from DE 41 27 420 C1 .
  • the formation of this cigarette allows a reduction in secondary smoke.
  • the filter consists of only a single coaxial longitudinal segment.
  • a ventilated coaxial cigarette is also known from DE 37 43 597 C1.
  • This Cigarette in turn has a ventilated coaxial filter that consists of only one Longitudinal segment exists. By using glow salts are undesirable Avoided smoke components.
  • EP 0 539 191 B1 describes low-weight cigarette filters and cigarettes known with these filters, the filters through different longitudinal departments be designed in several parts. The tobacco strands used are not coaxial educated. EP 0 474 940 A1 also shows such filter configurations for non-coaxial ones Cigarettes.
  • the filter of the coaxial cigarette has a filter casing as well has at least two longitudinal segments, at least one of which is a Coaxial filter segment with a core element, a core element cladding and one Sheath element is, and that the ratio of the tensile resistance of the strand core to The tensile resistance of the strand jacket is greater than 1 and preferably in the range of 2 to 4.
  • the tensile resistance of the coaxial filter segment is preferably in the range from 45 to 120 mmWS.
  • An unventilated coaxial filter segment is preferably used.
  • the filter has three longitudinal segments, namely a lower segment on the mouth side Retention, a middle segment with high retention and a tobacco side Coaxial filter segment.
  • the middle filter segment of the coaxial cigarette according to the invention is according to a preferred embodiment of a filter material such as paper, crest or preferably cellulose acetate, has a tensile resistance of 30 to 100 mm water column, preferably 50 to 60 mmWS, and its single titer for the cellulose acetate is in the range of 1.5 to 5 dpf, preferably in the range of 1.5 to 2.1 dpf.
  • a filter material such as paper, crest or preferably cellulose acetate
  • the mouth-side segment of the filter of a filter according to the invention is preferably present Coaxial cigarette made from a filter material such as paper, crest or preferably cellulose acetate. It can also be a hollow mouthpiece.
  • the Draw resistance of the mouth-side segment is in the range from 0 (hollow mouthpiece) to 100 mmWS and preferably in the range of 10 to 15 mmWS.
  • the ventilation openings can be created by laser perforation in online operation become.
  • the use of pre-perforated filter coverings is also conceivable.
  • the ventilation openings are advantageously in the area of the middle segment arranged; if the length of the mouth-side segment is greater than 11 mm, the ventilation openings can in particular also in the area of the mouth Segment be arranged.
  • the degree of filter ventilation is preferably in the range from 50 to 85%.
  • the diameter of the filter can range from 7 to 9 mm and preferably 7.8 mm, the core element of the coaxial filter segment a diameter of 4 to 6 mm and preferably 5 to 6 mm having.
  • the tobacco rod of a coaxial cigarette according to the invention has a preferred Design a diameter that is in the range of 7 to 9 mm, and preferably at 7.8 mm.
  • the strand core of the coaxial cigarette can be one Have diameters of 4 to 6 mm and preferably 5 to 5.6 mm.
  • the structure of the coaxial cigarette shown in the figure can be incorporated into a filter 10 and a tobacco rod 20 are divided.
  • the taste-relevant tobacco of this cigarette is preferably wrapped in a rope 21 arranged.
  • a tobacco foil is preferably used as the core wrapping used.
  • the tensile resistance of the strand core is greater than that of the Strand jacket, which is indicated by a suitable material selection and setting Parameters such as the packing density is achieved. Suitable values for the tensile resistance is about 150 mmWS for the strand core 22 and about 75 mmWS for the strand casing 21, while the tensile resistance of the entire tobacco rod 20 at about 50 mmWS.
  • the tobacco rod has a usual outside diameter of about 7.8 mm
  • Strand core 22 is in the diameter range of 5 to 6 mm.
  • the filter 10 connects to the tobacco rod 20. It consists of the one shown Version made of three longitudinal segments 11, 12 and 13.
  • the mouth-side longitudinal segment 11 of filter 10 is a low retention segment made of a filter material such as Paper, crest or preferably cellulose acetate. It has a tensile resistance of about 10 to 15 mmWS.
  • the middle longitudinal segment 12 of the filter 10 is again a paper filter plug, Crest or preferably cellulose acetate provided.
  • the segment 12 has a high specific retention performance, so that even for the short middle Longitudinal segment 12 gives and has a retention rate of about 30% (unventilated) a tensile resistance of about 50 mmWS.
  • this is the middle one Segment 12 the ventilated segment; with 18 ventilation openings are indicated.
  • the ventilation openings 18 can be perforated online with laser beams, i.e. be made during the manufacturing process. But there is also Possibility to use pre-perforated covering paper for the filter.
  • the ventilation openings ensure a degree of filter ventilation in the range of 50 to 85%, especially of 65%. They are preferably in the mouth-side direction of this middle one Segment 12
  • the overall filter is of a filter covering 16, for example a filter paper, surround.
  • the core element 15 of the coaxial segment 13 consists of cellulose acetate with a Retention performance of 65 to 95%, in particular of about 80%, based on one unventilated filter.
  • the core element envelope 17 is essentially airtight.
  • the jacket element 14 consists of cellulose acetate or others suitable materials with a low retention rate of 15 to 50% in particular of about 30%, based on the unventilated filter.
  • the train resistance of the core element is greater than the tensile resistance of the jacket element 14 and lies at about 260 mmWS, while the tensile resistance of the matel element 14 is about 120 mmWS is.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Pens And Brushes (AREA)

Claims (11)

  1. Cigarette coaxiale, avec
    a) un barreau de tabac (20) coaxial, qui présente une âme de barreau (22), un manchon d'âme de barreau (23), une enveloppe de barreau (21) et un manchon d'enveloppe de barreau (24), et
    b) un filtre (20) en plusieurs parties, ventilé,
    caractérisée en ce que
    c) le filtre (10) présente un manchon de filtre (16) ainsi qu'au moins deux segments longitudinaux dont au moins l'un est un segment de filtre coaxial (13) présentant un élément d'âme (15), un manchon d'élément d'âme (17) et un élément d'enveloppe (14), et en ce que
    d) le rapport entre la résistance à l'aspiration de l'âme de barreau (22) et la résistance à l'aspiration de l'enveloppe de barreau est supérieur à 1 et est de préférence situé dans la plage de 2 à 4.
  2. Cigarette coaxiale selon la revendication 1,
    caractérisée en ce que le filtre (10) présente trois segments longitudinaux, à savoir un segment (11) situé côté bouche à faible rétention, un segment central (12) à haute rétention et un segment de filtre coaxial (13) situé du côté du tabac.
  3. Cigarette coaxiale selon l'une des revendications 1 ou 2, avec un segment coaxial de filtre (13) qui est
    caractérisé par au moins l'une des caractéristiques ci-dessous :
    l'élément d'âme (15) est constitué d'acétate de cellulose, de papier ou de "Crest" avec une capacité de rétention non ventilée de 65 à 95 % ;
    le manchon d'élément d'âme (17) est essentiellement imperméable à l'air ;
    l'élément d'enveloppe (14) est constitué d'acétate de cellulose ou d'autres matériaux appropriés à faible capacité de rétention non ventilée, de 15 à 50 % ;
    la résistance à l'aspiration de l'élément d'enveloppe (15) est comprise dans la plage de 80 à 150 mm CE ;
    la résistance à l'aspiration de l'élément d'âme (14) est située dans la plage de 160 à 450 mm CE ;
    un élément d'enveloppe (15) en acétate de cellulose présente un titre individuel de 2,5 à 5 dpf ;
    un élément d'âme (14) en acétate de cellulose présente un titre individuel de 1,5 à 2,1 dpf.
  4. Cigarette coaxiale selon l'une des revendications 2 ou 3, caractérisée en ce que le segment central de filtre (12) est constitué d'un matériau de filtre tel que le papier, le "Crest" ou de préférence l'acétate de cellulose et présente une résistance à l'aspiration de 30 à 100 mm CE, de préférence de 50 à 60 mm CE, et en ce que son titre individuel pour l'acétate de cellulose est situé dans la plage de 1,5 à 5 dpf, de préférence dans la plage de 1,5 à 2,1 dpf.
  5. Cigarette coaxiale selon l'une des revendications 2 à 4, caractérisée en ce que le segment (1) situé du côté bouche est constitué d'un matériau filtre tel que le papier, le "Crest" ou de préférence l'acétate de cellulose, ou est une pièce d'embout creux, et présente une résistance à l'aspiration de 0 à 50 mm CE, de préférence de 10 à 15 mm CE.
  6. Cigarette coaxiale selon l'une des revendications 1 à 5, avec un barreau coaxial de tabac, et présentant au moins l'une des caractéristiques suivantes :
    la résistance totale du barreau à l'aspiration est comprise dans la plage de 30 à 100 mm CE, de préférence d'environ 50 mm CE ;
    la perméabilité à l'air du manchon de l'enveloppe de barreau (24) est située dans la plage de 15 à 300 CU, de préférence de 50 à 100 CU ;
    le manchon d'enveloppe de barreau (24) contient des sels à combustion incandescente, par exemple l'acétate de Na ou le citrate de K, de préférence le citrate de K, dans une plage de 1 à 2,5 % ;
    le manchon d'âme de barreau (23) est constitué de feuilles de tabac ou de papier à cigarette présentant une perméabilité à l'air de 0 à 50 CU, de préférence de 0 à 5 CU ;
    les tabacs d'exhaustion du goût sont de préférence disposés dans l'enveloppe de barreau 21.
  7. Cigarette coaxiale selon l'une des revendications 2 à 6, caractérisée en ce que le filtre présente une longueur totale de 21 à 31 mm, de préférence de 27 mm, avec :
    une longueur du segment (11) situé du côté bouche de 4 à 16 mm, de préférence de 11 à 13 mm,
    une longueur de segment central (12) de 4 à 12 mm, de préférence de 5 à 7 mm, et
    une longueur du segment (13) situé du côté du tabac est de 7 à 16 mm, de préférence de 8 à 10 mm,
       les ouvertures de ventilation (18), qui sont de préférence préparées par perforation au laser ou par recours à des manchons de filtre préperforé, sont disposées dans la région du segment central (12) ou, lorsque la longueur du segment situé côté bouche est supérieure à 11 mm, en particulier dans la région du segment situé côté bouche (11) ; et
       le degré de ventilation du filtre se situe dans la plage de 50 à 85 %.
  8. Cigarette coaxiale selon l'une des revendications 1 à 7, caractérisée en ce que le diamètre du filtre (10) est compris dans la plage de 7 à 9 mm, et de préférence 7,8 mm, l'élément d'âme (15) du segment (13) de filtre coaxial présentant un diamètre de 4 à 6 mm, de préférence de 5 à 6 mm.
  9. Cigarette coaxiale selon l'une des revendications 1 à 8, caractérisée en ce que le diamètre du barreau de tabac (20) est dans la plage de 7 à 9 mm, de préférence est de 7,8 mm, l'âme du barreau (22) présentant un diamètre de 4 à 6 mm, de préférence de 5 à 5,6 mm.
  10. Cigarette coaxiale selon l'une des revendications 1 à 9, caractérisée en ce que la résistance à l'aspiration du segment (13) du filtre coaxial est comprise dans la plage de 45 à 120 mm CE.
  11. Cigarette coaxiale selon l'une des revendications 1 à 10, caractérisée en ce que le segment de filtre coaxial (13) n'est pas ventilé.
EP98109005A 1997-05-30 1998-05-18 Cigarette coaxial ultra-légère avec un filtre en plusieurs parties Expired - Lifetime EP0880904B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9830050T SI0880904T1 (en) 1997-05-30 1998-05-18 Ultra-light coaxial cigarette with a multi-section filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722812A DE19722812C2 (de) 1997-05-30 1997-05-30 Ultraleicht-Koaxialcigarette mit mehrteiligem Filter
DE19722812 1997-05-30

Publications (2)

Publication Number Publication Date
EP0880904A1 EP0880904A1 (fr) 1998-12-02
EP0880904B1 true EP0880904B1 (fr) 2001-10-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98109005A Expired - Lifetime EP0880904B1 (fr) 1997-05-30 1998-05-18 Cigarette coaxial ultra-légère avec un filtre en plusieurs parties

Country Status (21)

Country Link
US (1) US6089238A (fr)
EP (1) EP0880904B1 (fr)
JP (1) JP3431833B2 (fr)
KR (1) KR100472838B1 (fr)
CN (1) CN1101161C (fr)
AT (1) ATE207314T1 (fr)
AU (1) AU733726B2 (fr)
BR (1) BR9801678A (fr)
CA (1) CA2238918C (fr)
CZ (1) CZ167798A3 (fr)
DE (2) DE19722812C2 (fr)
DK (1) DK0880904T3 (fr)
EA (1) EA001435B1 (fr)
ES (1) ES2166117T3 (fr)
HU (1) HUP9801269A3 (fr)
MY (1) MY132902A (fr)
PL (1) PL326407A1 (fr)
PT (1) PT880904E (fr)
SG (1) SG74628A1 (fr)
SI (1) SI0880904T1 (fr)
TW (1) TW422684B (fr)

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CN103622157B (zh) * 2012-12-29 2015-03-18 广东中烟工业有限责任公司 一种复合草本植物的三元烟草纤维纸质滤棒及其制备方法
CN103271437B (zh) * 2013-05-22 2014-09-03 广东中烟工业有限责任公司 一种可自行导流的卷烟滤棒及卷烟
CN103238931A (zh) * 2013-05-22 2013-08-14 广东中烟工业有限责任公司 一种可自行导流的复合卷烟滤棒及复合卷烟
CN103230096A (zh) * 2013-05-22 2013-08-07 广东中烟工业有限责任公司 一种可自行引流的复合卷烟滤棒及复合卷烟
CN103251129A (zh) * 2013-05-22 2013-08-21 广东中烟工业有限责任公司 一种可自行引流的卷烟滤棒及卷烟
CN103271436B (zh) * 2013-05-22 2015-07-01 广东中烟工业有限责任公司 一种二元复合引流卷烟滤棒及卷烟
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DE4127420C2 (de) * 1991-08-19 1996-07-25 Bat Cigarettenfab Gmbh Koaxiale Filtercigarette
GB9122447D0 (en) * 1991-10-23 1991-12-04 Rothmans Int Tobacco Lightweight cigarette filter and cigarettes incorporating such filters
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
DE4230804A1 (de) * 1992-09-15 1994-03-17 Bayer Ag 7-Isoindolinyl-chinolon- und -naphthyridon-Derivate
DE4321069C2 (de) * 1993-06-24 1998-09-10 Bat Cigarettenfab Gmbh Koaxiale Filtercigarette
DE4444157C1 (de) * 1994-12-12 1995-11-30 Bat Cigarettenfab Gmbh Segment-Filtercigarette
DE19718296B4 (de) * 1997-04-30 2006-06-29 British American Tobacco (Germany) Gmbh Ventilierte Filtercigarette mit einem koaxialen Filterelement

Also Published As

Publication number Publication date
EA001435B1 (ru) 2001-02-26
KR19980086956A (ko) 1998-12-05
AU733726B2 (en) 2001-05-24
JP3431833B2 (ja) 2003-07-28
CN1203763A (zh) 1999-01-06
HUP9801269A3 (en) 1999-05-28
EA199800419A1 (ru) 1998-12-24
CN1101161C (zh) 2003-02-12
DE59801838D1 (de) 2001-11-29
DE19722812C2 (de) 2003-02-13
DE19722812A1 (de) 2000-06-15
ES2166117T3 (es) 2002-04-01
AU6979098A (en) 1998-12-03
HUP9801269A2 (hu) 1999-02-01
CZ167798A3 (cs) 1999-01-13
SI0880904T1 (en) 2002-02-28
HK1017590A1 (en) 1999-11-26
PT880904E (pt) 2002-02-28
JPH119250A (ja) 1999-01-19
CA2238918C (fr) 2005-05-03
TW422684B (en) 2001-02-21
BR9801678A (pt) 1999-05-25
HU9801269D0 (en) 1998-08-28
KR100472838B1 (ko) 2005-07-11
DK0880904T3 (da) 2001-11-19
MY132902A (en) 2007-10-31
EP0880904A1 (fr) 1998-12-02
US6089238A (en) 2000-07-18
SG74628A1 (en) 2000-08-22
CA2238918A1 (fr) 1998-11-30
PL326407A1 (en) 1998-12-07
ATE207314T1 (de) 2001-11-15

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