EP1341424B1 - Rauchprodukt mit hohlmundstück - tabakfilter - Google Patents

Rauchprodukt mit hohlmundstück - tabakfilter Download PDF

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Publication number
EP1341424B1
EP1341424B1 EP01999293A EP01999293A EP1341424B1 EP 1341424 B1 EP1341424 B1 EP 1341424B1 EP 01999293 A EP01999293 A EP 01999293A EP 01999293 A EP01999293 A EP 01999293A EP 1341424 B1 EP1341424 B1 EP 1341424B1
Authority
EP
European Patent Office
Prior art keywords
filter
tobacco
smoking product
product according
hollow
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
EP01999293A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1341424A1 (de
Inventor
Paul-Georg Henning
Inga Gurke
Solvey Knorr
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
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 SI200130779T priority Critical patent/SI1341424T1/sl
Publication of EP1341424A1 publication Critical patent/EP1341424A1/de
Application granted granted Critical
Publication of EP1341424B1 publication Critical patent/EP1341424B1/de
Priority to CY20071101391T priority patent/CY1106962T1/el
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
    • A24D3/06—Use of materials for tobacco smoke filters
    • 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

Definitions

  • the invention relates to a filter cigarette according to the preamble of patent claim 1.
  • Filters for tobacco smoke which consist entirely of tobacco have long been known. They have good filtering properties and are particularly attractive for many smokers for reasons such as biodegradability, natural origin, and ecological aspects. By using highly aromatic tobaccos this leads to improved taste characteristics of the tobacco smoke.
  • the EP 0 232 166 A2 describes a method for producing a filter cigarette with a tobacco filter, wherein the mouth-side filter end of the tobacco filter is solidified with a binder to avoid the crumbling of tobacco.
  • the DE 37 15 257 describes a whole-tobacco cigarette with a ventilated tobacco filter with a large proportion of expanded tobacco that is over-compacted.
  • the DE 44 03 018 A discloses a filter for cigarettes, pipes or the like, wherein between the filter material and the filter outlet a flavoring in the form of a taste-intensive tobacco is provided.
  • the EP 0 539 191 A discloses a filter cigarette having a multi-part filter including inter alia a hollow filter, wherein the opening of the hollow filter is closed by a plug or a fibrous filter section.
  • the FR 2 260 302 A discloses a Cigarettenspitze into which a tobacco rod can be inserted as a filter material.
  • the invention is based on the object , a conventional filter cigarette, in which a filter element is connected to a Umwickelpapier directly to the tobacco rod, with a sensorially improved and thereby flawless smoking pleasure and thereby improve the filter properties compared to the use of conventional filter materials.
  • the labial and lingual perturbations of conventional tobacco filters should be avoided;
  • the filter construction should correspond in their physical properties (stuffing density of the tobacco and draw resistance) to those of conventional filter cigarettes.
  • An essential advantage of the invention is the avoidance of lingual, labial and haptic irritations by using the mouth-side hollow filter part, which also has pleasant haptic and optical properties due to its surface smoothness.
  • Another advantage of the invention is that a significantly improved taste is achieved by the use of aromatic tobaccos in the tobacco filter. At the same time this allows Measure a significant reduction in material costs, as in the strand less aromatic and thus cheaper tobaccos can be used. Accordingly, the essence of the invention is the formation of the filtration system from once a tobacco filter and on the other hand, a hollow filter.
  • the present invention exploits particular flow characteristics of the filter.
  • Another advantage is the improved appearance due to the increased distance of the tobacco surface from the mouth-side filter end.
  • the use of a hollow filter part in a tobacco filter saves material costs for the highly aromatic filter tobacco.
  • tobaccos of good leaf quality such as e.g. Tobacco with a very small proportion of expanded tobaccos, rib or foil tobaccos or tobaccos, which were previously subjected to flavor enrichment used.
  • the aromatic tobacco portion in the tobacco filter element significantly reduces the negative taste impression over one-piece artificial filter elements.
  • thermal processes can be used in a manner known per se.
  • the strand wrapping material may in one embodiment consist of at least one wrapping layer of reconstituted tobacco or natural tobacco leaf with the topsheet mounted in a helical wrap.
  • Figure 1 shows a first embodiment with a tobacco rod 1 and a tobacco filter section 2, to the mouth side, a hollow filter part 3 is attached, which may have one of the cross-sectional shapes shown in Figure 5 .
  • the tobacco smoke flow is directed by the hollow filter according to the Coanda effect so that the flow takes place along a solid surface.
  • This vortex interface effect in addition to the smoke aroma-related high aroma quality, produces an additionally increased condensate separation on the surface of the hollow filter, without this causing an additional draw resistance increase.
  • the tobacco filter as shown in Figure 2 may be ventilated.
  • the arrangement of the ventilation means for example, a row of perforations 7 is preferably provided on the strand side filter end. Both the mainstream smoke and the supplied ventilation air then flow through the aromatic rich tobacco over the longest possible distance, resulting in the maximum aroma enrichment of the consumer supplied smoke stream.
  • Figure 3 shows a smoke product with a ventilated tobacco filter section 2 and a mouth-side subsequent hollow filter 3, wherein in front of the tobacco filter section 2 on the side of the tobacco rod 1, a pre-filter 6 is mounted, which is used for prefiltering the tobacco smoke and / or ventilation:
  • a pre-filter 6 may be made of, for example, cellulose, cellulose acetate, activated carbon-containing paper, activated carbon-containing cellulose acetate, polyolefins such as polyethylene or polypropylene.
  • the material of the prefilter 6 may be mixed with flavors or functional additives.
  • a closed flow filter element made of known filter material (polyethylene, creped cellulose, cellulose acetate) is provided on the mouth side of the tobacco filter section.
  • the aromatic tobacco portion in the tobacco filter element significantly reduces the negative taste impression over one-piece conventional filter elements.
  • FIG. 4 shows a smoke product with a coaxial or core filter with tobacco core 8 and jacket 9 made of other filter material, for example cellulose acetate. It can be seen that the jacket 9 extends from the tobacco rod 1 to the mouth-side end of the cigarette, while the tobacco core 8 enveloped by the jacket ends at a distance from the mouth-side filter end, so that the hollow filter 3 is formed in this region.
  • the jacket 9 extends from the tobacco rod 1 to the mouth-side end of the cigarette, while the tobacco core 8 enveloped by the jacket ends at a distance from the mouth-side filter end, so that the hollow filter 3 is formed in this region.
  • the hollow filter 3 is either a hollow tube or a nozzle according to Figure 5a , or a pipe or nozzle with concentric inner tube according to Figure 5b .
  • the inner tube 4 has a circular cross section in the embodiment according to FIG. 5b , while the cross section has a rectangular shape in the embodiment according to FIG. 5c and a further geometric shape according to FIG. 5d .
  • Figures 5e and 5f also show webs 5, which support the inner tube 4 in an outer hollow filter part 3 supporting.
  • the embodiment according to FIG. 5f differs from the embodiment according to FIG. 5e in that the inner tube 4 is filled, for example, with cellulose acetate.
  • the upstream tobacco filter improves the overall negative impressions of the usual existing entirely of filter material such as paper or plastic filter.
  • the tobacco which is used in the filter is brought to a tobacco temperature between 60 ° C and 150 ° C, preferably 80 ° C and exposed to a high relative humidity and with a cutting width of 0.3 for a period of between 1 minute and 15 minutes mm to 0.6 mm cut.
  • the tobacco filter receives a hollow filter part, a so-called recess filter, and is connected to the tobacco rod by means of a wrapping paper on a conventional cigarette machine.
  • the cigarettes have an attractive visual appearance and there are no lingual or labial disturbances during smoking.
  • Example 2 200 kg of tobacco are subjected to a casing treatment, cut into a fine cutting width of 0.3 mm to 0.6 mm and further processed into filter parts.
  • the mouth-side hollow filter part is made of polyethylene, wherein the inner tube is connected via three webs to the outer wall of the hollow filter.
  • the Tabakfilter- and hollow filter parts are processed into double filters and attached using a Umwickelpapiers to the tobacco rod.
  • the wrapped tobacco rod contained a tobacco blend with a high content of ribs and low cost tobaccos.
  • the draw resistance of the inventive filter was 82 mm WS, that is in the range of draw resistances of filters made of conventional materials.
  • Cigarette according to the invention compared to a cigarette with one-piece tobacco filter without a hollow mouthpiece showed a significantly better taste. Furthermore, the test persons were asked about their visual and haptic impressions. It was a unanimous opinion that both the visual, haptic and lingual or labial disturbance impression compared to the comparison cigarette is significantly reduced.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP01999293A 2000-12-05 2001-11-09 Rauchprodukt mit hohlmundstück - tabakfilter Expired - Lifetime EP1341424B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200130779T SI1341424T1 (sl) 2000-12-05 2001-11-09 Kadilski izdelek s tobačnim filtrom, ki ima votli ustni kos
CY20071101391T CY1106962T1 (el) 2000-12-05 2007-10-29 Προϊον καπνισματος με κοιλο επιστομιο - φιλτρο καπνου

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10060234 2000-12-05
DE10060234A DE10060234C2 (de) 2000-12-05 2000-12-05 Rauchprodukt mit Hohlmundstück-Tabakfilter
PCT/EP2001/013030 WO2002045531A1 (de) 2000-12-05 2001-11-09 Rauchprodukt mit hohlmundstück - tabakfilter

Publications (2)

Publication Number Publication Date
EP1341424A1 EP1341424A1 (de) 2003-09-10
EP1341424B1 true EP1341424B1 (de) 2007-08-01

Family

ID=7665746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01999293A Expired - Lifetime EP1341424B1 (de) 2000-12-05 2001-11-09 Rauchprodukt mit hohlmundstück - tabakfilter

Country Status (14)

Country Link
EP (1) EP1341424B1 (ru)
AT (1) ATE368395T1 (ru)
AU (1) AU2002223673A1 (ru)
CY (1) CY1106962T1 (ru)
DE (2) DE10060234C2 (ru)
EA (1) EA004483B1 (ru)
ES (1) ES2290202T3 (ru)
HU (1) HUP0302428A2 (ru)
PL (1) PL194226B1 (ru)
PT (1) PT1341424E (ru)
SK (1) SK286780B6 (ru)
TW (1) TWI230040B (ru)
UA (1) UA73825C2 (ru)
WO (1) WO2002045531A1 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2914137B1 (en) 2012-10-31 2018-12-05 British American Tobacco (Investments) Ltd A filter for a smoking article

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI1958523T1 (sl) 2006-08-04 2012-06-29 Philip Morris Prod Večkomponentni filter za večkratno izboljšanje okusa
GB0713905D0 (en) 2007-07-17 2007-08-29 British American Tobacco Co Cellulose acetate thread in filter
BR112013016263A2 (pt) 2010-12-23 2018-06-26 Philip Morris Products Sa enchimento cortado de tabaco incluindo caules enrolados cortados
GB201110863D0 (en) † 2011-06-27 2011-08-10 British American Tobacco Co Smoking article filter and insertable filter unit thereof
PL2583570T3 (pl) * 2011-10-21 2015-07-31 Philip Morris Products Sa Wyrób do palenia mający wnękę końca doustnego z oznaczeniami
ES2569038T3 (es) * 2012-09-28 2016-05-06 Reemtsma Cigarettenfabriken Gmbh Artículo de fumar
GB201318055D0 (en) * 2013-10-11 2013-11-27 British American Tobacco Co Additive Releasing Materials
CN103584280B (zh) * 2013-10-24 2016-04-27 上海烟草集团有限责任公司 一种复合滤嘴
CN109105951A (zh) * 2018-08-08 2019-01-01 郭凌凌 一种可降低烟气温度的香烟及其制造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH287649A (fr) * 1950-02-15 1952-12-15 Engel Walter Bouton métallique garni de tissu.
CH287549A (de) * 1950-11-03 1952-12-15 Andreae Rene Mit Filter verschenes Rauchzeug.
CH311186A (de) * 1952-07-02 1955-11-30 Ulrich Mueller Hans Filtermundstück an Zigaretten, Zigarren, Zigarillos oder dergleichen.
AT203925B (de) * 1956-02-23 1959-06-10 Hauni Werke Koerber & Co Kg Rezeßfiltermundstück für Zigaretten
FR1270093A (fr) * 1960-07-13 1961-08-25 Filtre, notamment pour cigarettes
FR2260302A1 (en) * 1974-02-08 1975-09-05 Terasaki Katsuhisa Combined cigarette filter and holder - has two portions separated for insertion of cigarette to act as filter
US4924887A (en) * 1986-02-03 1990-05-15 R. J. Reynolds Tobacco Company Tobacco rods and filters
US4726385A (en) * 1986-05-09 1988-02-23 The American Tobacco Company Method of fabricating an all-tobacco cigarette controlling tar delivery and an all-tobacco cigarette
US5115823A (en) * 1990-12-20 1992-05-26 Philip Morris Incorporated Flavor-enhancing smoking filter
GB9122447D0 (en) * 1991-10-23 1991-12-04 Rothmans Int Tobacco Lightweight cigarette filter and cigarettes incorporating such filters
DE4403018A1 (de) * 1994-02-01 1995-08-03 Hans Hoelzl Filter für Zigaretten, Pfeifen oder dergleichen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2914137B1 (en) 2012-10-31 2018-12-05 British American Tobacco (Investments) Ltd A filter for a smoking article

Also Published As

Publication number Publication date
HUP0302428A2 (hu) 2003-10-28
CY1106962T1 (el) 2012-09-26
SK8012003A3 (en) 2003-10-07
ATE368395T1 (de) 2007-08-15
EA200300641A1 (ru) 2003-10-30
TWI230040B (en) 2005-04-01
WO2002045531A1 (de) 2002-06-13
DE10060234A1 (de) 2002-06-13
DE10060234C2 (de) 2003-06-12
DE50112804D1 (de) 2007-09-13
PT1341424E (pt) 2007-11-06
ES2290202T3 (es) 2008-02-16
UA73825C2 (en) 2005-09-15
PL366174A1 (en) 2005-01-24
AU2002223673A1 (en) 2002-06-18
EP1341424A1 (de) 2003-09-10
EA004483B1 (ru) 2004-04-29
PL194226B1 (pl) 2007-05-31
SK286780B6 (sk) 2009-05-07

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