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EP1341424A1 - Article a fumer pourvu d'un filtre en tabac a embout creux - Google Patents

Article a fumer pourvu d'un filtre en tabac a embout creux

Info

Publication number
EP1341424A1
EP1341424A1 EP01999293A EP01999293A EP1341424A1 EP 1341424 A1 EP1341424 A1 EP 1341424A1 EP 01999293 A EP01999293 A EP 01999293A EP 01999293 A EP01999293 A EP 01999293A EP 1341424 A1 EP1341424 A1 EP 1341424A1
Authority
EP
European Patent Office
Prior art keywords
filter
tobacco
hollow
smoking article
article according
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
EP01999293A
Other languages
German (de)
English (en)
Other versions
EP1341424B1 (fr
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/fr
Application granted granted Critical
Publication of EP1341424B1 publication Critical patent/EP1341424B1/fr
Priority to CY20071101391T priority patent/CY1106962T1/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04Tobacco 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 that consist entirely of tobacco have long been known. They have good filter properties and are particularly attractive to many smokers for reasons such as biodegradability, natural origin, ecological aspects. By using highly aromatic tobacco, this leads to improved taste properties of tobacco smoke.
  • EP 0 232 166 A2 describes a ner process for producing a filter cigarette with a tobacco filter, the mouth end of the tobacco filter being solidified with a binder in order to prevent tobacco from crumbling out.
  • the object of the invention is to provide a filter cigarette with a multi-part filter, in which a significant improvement in taste is achieved and the disadvantages of known tobacco filters, such as the lingual, labial and optical as well as sensory interferences, are avoided. Furthermore, the natural filter properties of the tobacco should be used and especially addressed to consumers who prefer natural products.
  • Another object of the invention is to further improve the taste of the filter cigarette with tobacco filter by means of at least one additional structural hollow or flow filter element.
  • a smoking product is provided according to the preamble of claim 1, which is characterized in that the filtration system additionally has a hollow filter to improve the sensory properties, which is coaxially attached to the mouth of the tobacco filter part.
  • An essential part of the invention consists in avoiding lingual, labial and haptic irritation 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 the use of aromatic tobacco in the tobacco filter results in a significantly improved taste. At the same time, this enables Measure a significant reduction in the cost of materials, since less aromatic and therefore cheaper tobacco can be used in the strand. Accordingly, the essence of the invention is the formation of the filtration system from a tobacco filter on the one hand and a hollow filter on the other.
  • Another advantage is the improved appearance due to the increased distance between the tobacco surface and the mouth end of the filter.
  • the use of a hollow filter part in a tobacco filter saves material costs for the highly aromatic filter tobacco.
  • aromatic tobacco filter materials tobacco of good leaf quality, e.g. Tobacco with a very low proportion of expanded tobacco, rib or foil tobacco or tobacco that has previously been subjected to aroma enrichment.
  • the aromatic tobacco portion in the tobacco filter element significantly reduces the negative taste impression compared to one-piece artificial filter elements.
  • thermal methods can be used in a manner known per se.
  • the strand wrapping material can consist of at least one wrapping layer of reconstituted tobacco or natural tobacco leaf, the cover sheet being attached in a spiral winding.
  • FIG. 1 shows a smoke product with tobacco filter and hollow filter mouthpiece
  • FIG. 2 shows a smoke product according to FIG. 1 with ventilation zone
  • Figure 3 shows a smoke product according to Figure 1 or 2 with a prefilter
  • Figure 4 shows a smoke product with a tobacco filter in the filter core
  • Figure 1 shows a first embodiment with a tobacco rod 1
  • Tobacco filter section 2 on the mouth side of which a hollow filter part 3 is attached, which can have one of the cross-sectional shapes shown in FIG.
  • the tobacco smoke flow is directed through the hollow filter according to the Coanda effect so that the flow takes place along a solid surface.
  • this swirl boundary surface effect also produces an increased condensate separation on the surface of the hollow filter, without this causing an additional increase in draft resistance.
  • the tobacco filter as shown in FIG. 2, can be ventilated.
  • the arrangement of the ventilation means e.g. a row of perforations 7 is preferably provided at the end of the filter on the strand side. Both the main flow smoke and the ventilation air supplied then flow through the aroma-rich tobacco over the longest possible distance, which leads to the maximum aroma enrichment of the smoke flow supplied to the consumer.
  • FIG. 3 shows a smoke product with a ventilated tobacco filter section 2 and a hollow filter 3 adjoining the mouth, with the tobacco filter section 2 on the side of the tobacco rod 1 a prefilter 6 is attached, which serves for prefiltering the tobacco smoke and / or for ventilation.
  • a tobacco filter system according to the invention can be used in the segment of lights and ultralights smoke products.
  • the prefilter 6 can be made, for example, of cellulose, cellulose acetate, activated carbon-containing paper, activated carbon-containing cellulose acetate, polyolefins such as polyethylene or polypropylene.
  • the material of the prefilter 6 can be mixed with flavors or functional additives.
  • a closed flow filter element made of known filter material (polyethylene, creped cellulose, cellulose acetate) is attached to the mouth of the tobacco filter section.
  • Tobacco portion in the tobacco filter element significantly reduces the negative taste impression compared to one-piece conventional filter elements.
  • FIG. 4 shows a smoke product with a coaxial or core filter with a tobacco core 8 and jacket 9 made of a different filter material, for example cellulose acetate. It can be seen that the jacket 9 extends from the tobacco rod 1 to the mouth end of the cigarette, while the tobacco core 8 encased by the jacket ends at a distance from the mouth end of the filter, so that the hollow filter 3 is formed in this area.
  • a coaxial or core filter with a tobacco core 8 and jacket 9 made of a different filter material, for example cellulose acetate.
  • the hollow filter 3 is either a hollow tube or a socket according to FIG. 5a, or a tube or socket with a concentric inner tube according to FIG. 5b.
  • the inner tube 4 has a circular cross section, while the cross section in the embodiment according to FIG. 5c has a rectangular shape and according to FIG. 5d has a further geometric shape.
  • Other cross-sectional shapes for the inner tube 4 are also possible.
  • FIGS. 5e and 5f also show webs 5 which support the inner tube 4 in an outer hollow filter part 3. It is pointed out that 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 filters, which consist entirely of filter material such as paper or plastic.
  • 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 has a hollow filter part on the mouth side, a so-called recess filter, and is connected to the tobacco rod on a conventional cigarette machine by means of a wrapping paper.
  • the cigarettes have an attractive visual appearance and there are no lingual or labial disturbances when smoking.
  • Example 2 200 kg of tobacco are subjected to a casing preparation, cut in a fine cutting width of 0.3 mm to 0.6 mm and processed into filter parts.
  • the mouth-side hollow filter part consists of polyethylene, the inner tube being connected to the outer wall of the hollow filter via three webs.
  • the tobacco filter and hollow filter parts are processed into double filters and attached to the tobacco rod with the help of wrapping paper.
  • the wrapped tobacco rod contained a tobacco blend with a high proportion of ribs and inexpensive tobacco.
  • the tensile resistance of the inventive filter was 82 mm WS, which was in the range of the tensile resistances of filters made of conventional materials.
  • Cigarette according to the invention showed a significantly better taste compared to a cigarette with a one-piece tobacco filter without a hollow mouthpiece. Furthermore, the test subjects were asked about their visual and haptic impressions. There was a unanimous opinion that the optical, haptic and lingual or labial interference impression is significantly reduced compared to the comparative cigarette.

Landscapes

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

Abstract

L'invention concerne un article à fumer constitué d'un boudin de tabac enveloppé et d'un système filtrant adjacent, raccordé au boudin de tabac par un papier d'enrobage et contenant une partie filtre en tabac. L'article à fumer selon l'invention est caractérisé en ce que le système filtrant comprend également, afin d'améliorer les propriétés sensorielles, un filtre creux (3) rattaché coaxialement côté bouche à la partie filtre en tabac (2).
EP01999293A 2000-12-05 2001-11-09 Article a fumer pourvu d'un filtre en tabac a embout creux Expired - Lifetime EP1341424B1 (fr)

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
DE10060234A DE10060234C2 (de) 2000-12-05 2000-12-05 Rauchprodukt mit Hohlmundstück-Tabakfilter
DE10060234 2000-12-05
PCT/EP2001/013030 WO2002045531A1 (fr) 2000-12-05 2001-11-09 Article a fumer pourvu d'un filtre en tabac a embout creux

Publications (2)

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

Family

ID=7665746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01999293A Expired - Lifetime EP1341424B1 (fr) 2000-12-05 2001-11-09 Article a fumer pourvu d'un filtre en tabac a embout creux

Country Status (14)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8550092B2 (en) 2007-07-17 2013-10-08 British American Tobacco (Investments) Limited Filter
US12317920B2 (en) 2015-03-27 2025-06-03 Philip Morris Products S.A. Smoking article with a mouth end cavity and ventilation

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL1889550T3 (pl) 2006-08-04 2010-01-29 Philip Morris Products Sa Wieloskładnikowy filtr dający wielosmakowe wzbogacenie
KR20130132866A (ko) 2010-12-23 2013-12-05 필립모리스 프로덕츠 에스.에이. 절단 압연 주맥을 포함하는 담배 각초
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
GB201219540D0 (en) 2012-10-31 2012-12-12 British American Tobacco Co A filter for a smoking article
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
GB201608928D0 (en) 2016-05-20 2016-07-06 British American Tobacco Co Article for use in apparatus for heating smokable material
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
See references of WO0245531A1 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8550092B2 (en) 2007-07-17 2013-10-08 British American Tobacco (Investments) Limited Filter
US9078471B2 (en) 2007-07-17 2015-07-14 British American Tobacco (Investments) Limited Filter
US10334875B2 (en) 2007-07-17 2019-07-02 British American Tobacco (Investments) Limited Filter
EP2166887B2 (fr) 2007-07-17 2025-07-09 British American Tobacco (Investments) Limited Filtre
US12317920B2 (en) 2015-03-27 2025-06-03 Philip Morris Products S.A. Smoking article with a mouth end cavity and ventilation

Also Published As

Publication number Publication date
PL194226B1 (pl) 2007-05-31
ATE368395T1 (de) 2007-08-15
PL366174A1 (en) 2005-01-24
UA73825C2 (en) 2005-09-15
CY1106962T1 (el) 2012-09-26
DE10060234C2 (de) 2003-06-12
WO2002045531A1 (fr) 2002-06-13
EP1341424B1 (fr) 2007-08-01
ES2290202T3 (es) 2008-02-16
DE10060234A1 (de) 2002-06-13
EA004483B1 (ru) 2004-04-29
SK8012003A3 (en) 2003-10-07
AU2002223673A1 (en) 2002-06-18
PT1341424E (pt) 2007-11-06
SK286780B6 (sk) 2009-05-07
EA200300641A1 (ru) 2003-10-30
HUP0302428A2 (hu) 2003-10-28
TWI230040B (en) 2005-04-01
DE50112804D1 (de) 2007-09-13

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