EP1341424A1 - Smoking product comprising a tobacco filter with a hollow mouthpiece - Google Patents

Smoking product comprising a tobacco filter with a hollow mouthpiece

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)
French (fr)
Other versions
EP1341424B1 (en
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/en
Publication of EP1341424A1 publication Critical patent/EP1341424A1/en
Application granted granted Critical
Publication of EP1341424B1 publication Critical patent/EP1341424B1/en
Priority to CY20071101391T priority patent/CY1106962T1/en
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
    • A24D3/06—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 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.

Abstract

The invention relates to a smoking product consisting of a coated piece of tobacco and an adjacent filter system which is connected thereto by a paper coating and which contains a tobacco filter element. Said filter system additionally comprises a hollow filter (3) for improving the sensory properties, said hollow filter being coaxially attached to the tobacco filter element (2), on the mouth end.

Description

Rauchprodukt mit Hohimundstück - Tabakfilter Smoking product with Hohimundstück - tobacco filter
Die Erfindung betrifft eine Filtercigarette gemäß Oberbegriff des Patentanspruchs 1.The invention relates to a filter cigarette according to the preamble of patent claim 1.
Filter für Tabakrauch, die gänzlich aus Tabak bestehen sind seit langem bekannt. Sie besitzen gute Filtereigenschaften und sind für viele Raucher aus Gründen wie biologische Abbaubarkeit, natürliche Herkunft, ökologische Aspekte besonders attraktiv. Durch Einsetzen hocharomatischer Tabake führt dies zu verbesserten Geschmackseigenschaften des Tabakrauches.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.
Nachteil von herkömmlichen Tabakfiltern ist, dass der Tabak mit den Lippen und der Zunge des Verbrauchers direkt in Berührung gelangt, was zum Anhaften von Tabak führt und zu sensorischen Irritationen fuhrt. Auch die optische Anmutung des Tabakfilters stößt häufig auf Ablehnung.The disadvantage of conventional tobacco filters is that the tobacco comes into direct contact with the lips and tongue of the consumer, which leads to tobacco sticking and leads to sensory irritation. The visual appearance of the tobacco filter is also often rejected.
Die EP 0 232 166 A2 beschreibt ein Nerfahren zur Herstellung einer Filtercigarette mit einem Tabakfilter- wobei das mundseitige Filterende des Tabakfilters mit einem Bindemittel verfestigt wird, um das Auskrümeln von Tabak zu vermeiden.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.
Die DE 37 15 257 beschreibt eine Ganztabakcigarette mit einem ventilierten Tabakfilter mit einem großen Anteil von expandiertem Tabak, der übermäßig verdichtet ist.DE 37 15 257 describes a whole tobacco cigarette with a ventilated tobacco filter with a large proportion of expanded tobacco which is excessively compressed.
Diese Nerfahren und Norgehensweisen sind j edoch umständlich und unwirtschaftlich und vermeiden nicht den direkten Kontakt des Konsumenten mit dem Tabak. Der Raucher ist weiterhin mit der Tabakoberfläche in Kontakt. Zudem stört die optische und haptische Wahrnehmung der tabakartigen Querschnittsfläche des mundseitigen Filterendes sowie die Unebenheit und mangelnde Festigkeit des Tabakfilters.However, these methods and procedures are cumbersome and uneconomical and do not avoid the direct contact of the consumer with the tobacco. The smoker is still in contact with the tobacco surface. In addition, the visual and haptic disturbs Perception of the tobacco-like cross-sectional area of the mouth end of the filter as well as the unevenness and lack of strength of the tobacco filter.
Aufgabe der Erfindung ist es, eine Filtercigarette mit einem mehrteiligen Filter bereitzu- stellen, bei der eine deutliche Geschmacksverbesserung erzielt wird und die Nachteile bekannter Tabakfilter, wie die lingualen, labialen und optischen sowie sensorischen Störeinflüsse, vermieden werden. Ferner sollen die natürlichen Filtereigenschaften des Tabaks genutzt und insbesondere Konsumenten, die Naturprodukte bevorzugen, angesprochen werden.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.
Weitere Aufgabe der Erfindung ist es, durch mindestens ein zusätzliches konstruktives Hohloder Strömungsfilterelement den Geschmack der Filtercigarette mit Tabakfilter weiter zu verbessern.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.
Zur Lösung der Aufgabe wird ein Rauchprodukt nach dem Oberbegriff des Patentanspruchs 1 vorgesehen, welches dadurch gekennzeichnet ist, dass das Filtrationssystem zur Verbesserung der sensorischen Eigenschaften zusätzlich ein Hohlfilter aufweist, welcher mundseitig an den Tabakfilterteil koaxial angesetzt ist.To solve the problem, 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.
Weitere vorteilhafte Merkmale sind in den Unteransprüchen aufgeführt.Further advantageous features are listed in the subclaims.
Ein wesentlicher Norteil der Erfindung besteht in der Vermeidung von lingualen, labialen und haptischen Irritationen durch Einsatz des mundseitigen Hohlfilterteils, das außerdem durch seine Oberflächenglätte angenehme haptische und optische Eigenschaften aufweist. Ein weiterer Vorteil der Erfindung ist es, dass durch den Einsatz von aromatischen Tabaken im Tabakfilter ein deutlich verbesserter Geschmack erzielt wird. Gleichzeitig ermöglicht diese Maßnahme eine deutliche Reduzierung der Materialeinsatzkosten, da im Strang weniger aromatische und damit kostengünstigere Tabake zum Einsatz kommen können. Demzufolge ist das Wesen der Erfindung die Ausbildung des Filtrationssystems aus einmal einem Tabakfilter und zum anderen einem Hohlfilter.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.
Zusätzlich werden mit der vorliegenden Erfindung besondere Strömungseigenschaften des Filters ausgenutzt.In addition, special flow properties of the filter are used with the present invention.
Ein weiterer Vorteil besteht in der verbesserten Optik durch den erhöhten Abstand der Tabakoberfläche vom mundseitigen Filterende. Zudem werden durch den Einsatz eines Hohlfilterteils in einem Tabakfilter Materialkosten für die hocharomatischen Filtertabake eingespart.Another advantage is the improved appearance due to the increased distance between the tobacco surface and the mouth end of the filter. In addition, the use of a hollow filter part in a tobacco filter saves material costs for the highly aromatic filter tobacco.
Als aromatische Tabakfiltermaterialien werden Tabake von guter Blattqualität, wie z.B. Tabake mit einem sehr geringen Anteil an expandierten Tabaken, Rippen- oder Folientabaken oder Tabake, die zuvor einer Aromaanreicherung unterzogen wurden, eingesetzt. Die aromatische Tabakportion im Tabakfilterelement reduziert deutlich den negativen Geschmackseindruck gegenüber einteiligen künstlichen Filterelementen. Zur Ar.omaanreicherung des Tabakfiltermaterials können thermische Verfahren auf an sich bekannte Weise angewendet werden.As 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. For the aroma enrichment of the tobacco filter material, thermal methods can be used in a manner known per se.
Das Strangumhüllungsmaterial kann in einer Ausführungsform aus mindestens einer Umhüllungslage rekonstituiertem Tabak oder natürlichem Tabakblatt bestehen, wobei das Deckblatt in einer spiralförmigen Wickelung angebracht ist. Es folgt eine Kurzbeschreibung der Figuren, die in der anschließenden Beschreibung und den Ausführungsbespielen näher erläutert werden. Es zeigen:In one embodiment, 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. There follows a brief description of the figures, which are explained in more detail in the subsequent description and the exemplary embodiments. Show it:
Figur 1 ein Rauchprodukt mit Tabakfϊlter und Hohlfiltermundstück Figur 2 ein Rauchprodukt nach Figur 1 mit Ventilationszone1 shows a smoke product with tobacco filter and hollow filter mouthpiece FIG. 2 shows a smoke product according to FIG. 1 with ventilation zone
Figur 3 ein Rauchprodukt nach Figur 1 oder 2 mit einem VorfilterFigure 3 shows a smoke product according to Figure 1 or 2 with a prefilter
Figur 4 ein Rauchprodukt mit Tabakfilter im FilterkernFigure 4 shows a smoke product with a tobacco filter in the filter core
Figur 5 verschiedene HohlfiltergeometrienFigure 5 different hollow filter geometries
Figur 1 zeigt eine erste Ausführungsform mit einem Tabakstrang 1 und einemFigure 1 shows a first embodiment with a tobacco rod 1 and
Tabakfilterabschnitt 2, an den mundseitig ein Hohlfilterteil 3 angesetzt ist, der eine der in Figur 5 gezeigten Querschnittsformen haben kann. Die Tabakrauchströmung wird durch den Hohlfilter nach dem Coanda-Effekt so gelenkt, dass die Strömung entlang einer festen Oberfläche erfolgt. Dieser Wirbelgrenzflächeneffekt erzeugt neben der rauchstrombedingten hohen Aromaqualität eine zusätzlich erhöhte Kondensatabscheidung an der Oberfläche des Hohlfilters, ohne dass dieser eine zusätzliche Zugwiderstandserhöhung bewirkt.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. In addition to the high aroma quality due to the smoke flow, 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.
Zur Reduzierung der Kondensat- und Nikotinwerte kann der Tabakfilter, wie es in Figur 2 gezeigt ist, ventiliert werden. Die Anordnung der Ventilationsmittel z.B. eine Perforationsreihe 7 ist vorzugsweise am strangseitigen Filterende vorgesehen. Sowohl der Hauptstromrauch als auch die zugeführte Ventilationsluft durchströmen dann den aromareichen Tabak über eine längstmögliche Strecke, was zur maximalen Aromaanreicherung des dem Konsumenten zugeführten Rauchstromes führt.To reduce the condensate and nicotine values, 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.
Figur 3 zeigt ein Rauchprodukt mit einem ventilierten Tabakfilterabschnitt 2 und einem mundseitig anschließenden Hohlfilter 3, wobei vor dem Tabakfilterabschnitt 2 an der Seite des Tabakstrangs 1 ein Vorfilter 6 angebracht ist, der zur Vorfilterung des Tabakrauches und / oder zur Ventilation dient. Somit kann im Segment der Lights- und Ultralights Rauchprodukte ein erfindungsgemäßes Tabakfiltersystem eingesetzt werden. Der Vorfilter 6 kann z.B. aus Cellulose, Celluloseacetat, aktivkohlehaltigem Papier, aktivkohlehaltigem Celluloseacetat, Polyolefinen wie Polyethylen oder Polypropylen beschaffen sein. Das Material des Vorfilters 6 kann mit Aromen oder funktioneilen Additiven versetzt sein.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. Thus, 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.
In einer weiteren nicht dargestellten Ausführungsform ist mundseitig zum Tabakfilterabschnitt ein geschlossenes Strömungsfilterelement aus bekannten Filtermaterial (Polyethylen, gekreppte Cellulose, Celluloseacetat) angebracht. Die aromatischeIn a further embodiment, not shown, 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. The aromatic
Tabakportion im Tabakfilterelement reduziert deutlich den negativen Geschmackseindruck gegenüber einteiligen herkömmlichen Filterelementen.Tobacco portion in the tobacco filter element significantly reduces the negative taste impression compared to one-piece conventional filter elements.
Figur 4 zeigt ein Rauchprodukt mit einem Koaxial- oder Corefilter mit Tabakkern 8 und Mantel 9 aus anderem Filtermaterial beispielsweise Celluloseacetat. Man erkennt, dass der Mantel 9 vom Tabakstrang 1 bis zum mundseitigen Ende der Cigarette reicht, während der vom Mantel umhüllte Tabakkern 8 im Abstand zum mundseitigen Filterende endet, so dass in diesem Bereich der Hohlfilter 3 gebildet ist.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.
Der Hohlfilter 3 ist entweder ein hohles Rohr oder ein Stutzen gemäß Figur 5a, oder ein Rohr oder Stutzen mit konzentrischem Innenrohr gemäß Figur 5b. Das Innenrohr 4 hat bei der Ausführungsform nach Figur 5b einen kreisförmigen Querschnitt, während der Querschnitt bei der Ausfuhrungsform nach Figur 5c eine rechteckige Form und nach der Figur 5d eine weitere geometrische Form aufweist. Es sind auch andere Querschnittsformen für das Innenrohr 4 möglich. Die Figuren 5e und 5f zeigen ferner Stege 5, die das Innenrohr 4 in einem äußeren Hohlfilterteil 3 tragend abstützen. Es wird daraufhingewiesen, dass sich die Ausführungsform nach Figur 5f von der Ausfuhrungsform nach Figur 5e dadurch unterscheidet, dass das Innenrohr 4 beispielsweise mit Celluloseacetat gefüllt ist. Auch hierbei verbessert der vorgeschaltete Tabakfilter die negativen Gesamteindrücke der üblichen gänzlich aus Filtermaterial wie Papier oder Kunststoff bestehenden Filter.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. In the embodiment 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. Here, too, the upstream tobacco filter improves the overall negative impressions of the usual filters, which consist entirely of filter material such as paper or plastic.
Beispiel 1:Example 1:
Der Tabak, welcher im Filter eingesetzt wird, wird für einen Zeitraum zwischen 1 Minute und 15 Minuten auf eine Tabaktemperatur zwischen 60°C und 150°C, vorzugsweise 80°C gebracht und einer hohen relativen Feuchte ausgesetzt und mit einer Schnittbreite von 0,3 mm bis 0,6 mm geschnitten.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.
Der Tabakfilter erhält mundseitig einen Hohlfilterteil, ein sogenannter Recessfilter, und wird an einer herkömmlichen Cigarettenmaschine mit dem Tabakstrang mittels eines Umwickelpapiers verbunden. Die Cigaretten besitzen eine attraktive optische Anmutung und es treten beim Rauchen keine lingualen oder labialen Störeinflüsse auf.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.
Beispiel 2: 200 kg Tabak werden einer Casingaufbereitung unterzogen, in einer feinen Schnittbreite von 0,3 mm bis 0,6 mm geschnitten und zu Filterteilen weiterverarbeitet. Der mundseitige Hohlfilterteil besteht aus Polyethylen, wobei die innere Röhre über drei Stege an die Außenwand des Hohlfilters verbundenen ist. Die Tabakfilter- und Hohlfilterteile werden zu Doppelfiltern verarbeitet und mit Hilfe eines Umwickelpapiers an den Tabakstrang angesetzt. Der umhüllte Tabakstrang enthielt eine Tabakmischung mit einem hohen Anteil an Rippen und preisgünstigen Tabaken. Der Zugwiderstand des erfinderischen Filters betrug 82 mm WS, lag also im Bereich der Zugwiderstände von Filtern aus herkömmlichen Materialien. Eine sensorische Prüfung in einer Gruppe von 12 freiwilligen Testpersonen ergab, dass die erfindungsgemäße Cigarette gegenüber einer Cigarette mit einstückigem Tabakfilter ohne Hohlmundstück einen deutlich besseren Geschmack zeigte. Des weiteren wurden die Testpersonen nach ihren optischen und haptischen Eindrücken befragt. Es ergab sich eine einstimmige Meinung, dass sowohl der optische, haptische und linguale bzw. labiale Störeindruck gegenüber der Vergleichscigarette deutlich gemindert ist. 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. A sensory test in a group of 12 volunteers showed that the 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.

Claims

Patentansprüche claims
1. Rauchprodukt bestehend aus einem umhüllten Tabakstrang und ein an diesen anschließendes Filtrationssystem- das durch ein Umwickelpapier mit dem Tabakstrang verbunden ist, wobei das Filtrationssystem ein Tabakfilterteil enthält, dadurch gekennzeichnet dass das Filtrationssystem zur Verbesserung der sensorischen Eigenschaften zusätzlich einen Hohlfilter (3) aufweist, welcher mundseitig an den Tabakfilterteil (2) koaxial angesetzt ist.1. Smoke product consisting of a wrapped tobacco rod and a filtration system connected to it, which is connected to the tobacco rod by a wrapping paper, the filtration system containing a tobacco filter part, characterized in that the filtration system additionally has a hollow filter (3) to improve the sensory properties, which is coaxially attached to the mouth of the tobacco filter part (2).
2. Rauchprodukt nach Anspruch 1, dadurch gekennzeichnet dass a) der Filter aus aromatischen Tabaken ohne Verwendung von Mittelrippe, rekonstituierten oder expandierten Tabak besteht b) der Filter einen Zugwiderstand von 20 bis 50 mm WS pro cm Gesamtfilterlänge aufweist c) der Filter eine Tabakstopfdichte von 350 bis 450 mg/cm3 besitzt, wobei d) die Tabakmischung des Tabakstrangs einen Anteil von 5 bis 50% geschnittener Mittelrippe aufweist.2. Smoking product according to claim 1, characterized in that a) the filter consists of aromatic tobacco without the use of central rib, reconstituted or expanded tobacco b) the filter has a tensile resistance of 20 to 50 mm WS per cm total filter length c) the filter has a tobacco plug density of 350 to 450 mg / cm 3 , where d) the tobacco mixture of the tobacco rod has a share of 5 to 50% cut central rib.
3. Rauchprodukt nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass es eine in Umfangsrichtung verlaufende Filterventilationszone (7) aufweist, wobei der Ventilationsgrad 10 bis 90% beträgt.3. Smoking product according to one of claims 1 to 2, characterized in that it has a circumferential filter ventilation zone (7), the degree of ventilation being 10 to 90%.
4. Rauchprodukt nach Anspruch 3, dadurch gekennzeichnet, dass eine Ventilationszone am strangseitigen Ende des Filters angebracht ist. 4. Smoke product according to claim 3, characterized in that a ventilation zone is attached to the end of the filter on the strand side.
5. Rauchprodukt nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Umhüllung des Tabakstrangs aus mindestens einer Lage rekonstituierten Tabak und/oder natürlichem Tabakblatt besteht.5. Smoking product according to one of claims 1 to 4, characterized in that the wrapping of the tobacco rod consists of at least one layer of reconstituted tobacco and / or natural tobacco leaf.
6. Rauchartikel nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der6. Smoking article according to one of claims 1 to 5, characterized in that the
Hohlfilter (3) aus festen Material wie Pappe oder Polymer, Celluloseacetat oder Cellulose besteht.Hollow filter (3) consists of solid material such as cardboard or polymer, cellulose acetate or cellulose.
7. Rauchartikel nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Hohlfilter (3) ein koaxiales Innenrohr aufweist.7. Smoking article according to one of claims 1 to 6, characterized in that the hollow filter (3) has a coaxial inner tube.
8. Rauchartikel nach Anspruch 7, dadurch gekennzeichnet, dass das Innenrohr (4) einen kreisförmigen, rechteckigen oder polygonalen Querschnitt hat.8. Smoking article according to claim 7, characterized in that the inner tube (4) has a circular, rectangular or polygonal cross section.
9. Rauchprodukt nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass das Innenrohr (4) über Stege (5) mit der Außenwand des Hohlfilter (3) verbunden ist.9. Smoke product according to claim 7 or 8, characterized in that the inner tube (4) via webs (5) with the outer wall of the hollow filter (3) is connected.
10. Rauchprodukt nach Anspruch 7 bis 9, dadurch gekennzeichnet, dass das Innenrohr (4) mit einem tabakfreien Material gefüllt ist.10. Smoking product according to claim 7 to 9, characterized in that the inner tube (4) is filled with a tobacco-free material.
11. Rauchartikel nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Hohlfilter (3) von einem Koaxialfilter mit einem Mantel (9) aus tabakfreiem Filtermaterial und einem Kern aus Filtertabak (2) gebildet ist, wobei der Tabakkern nicht bis zum mundseitigen Filterende reicht. 11. Smoking article according to one of claims 1 to 6, characterized in that the hollow filter (3) of a coaxial filter with a jacket (9) made of tobacco-free filter material and a core of filter tobacco (2) is formed, the tobacco core not to the mouth side Filter end is enough.
12. Rauchartikel nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass zwischen dem Tabakstrang (1) und dem Filterabschnitt (2) ein Vorfilter (6) angeordnet ist.12. Smoking article according to one of claims 1 to 11, characterized in that a prefilter (6) is arranged between the tobacco rod (1) and the filter section (2).
13. Rauchartikel nach Anspruch 12, dadurch gekennzeichnet, dass der Vorfilter aus Cellulose, Celluloseacetat, aktivkohlehaltigem Papier, aktivkohlehaltigem Celluloseacetat oder Polyolefinen wie z.B. Polyethylen und Polypropylen besteht.13. Smoking article according to claim 12, characterized in that the pre-filter made of cellulose, cellulose acetate, activated carbon-containing paper, activated carbon-containing cellulose acetate or polyolefins such as e.g. There is polyethylene and polypropylene.
14. Rauchartikel nach Anspruch 12 bis 13, dadurch gekennzeichnet, dass der Vorfilter mit Aromen oder Additiven versehen ist. 14. Smoking article according to claim 12 to 13, characterized in that the pre-filter is provided with flavors or additives.
EP01999293A 2000-12-05 2001-11-09 Smoking product comprising a tobacco filter with a hollow mouthpiece Expired - Lifetime EP1341424B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200130779T SI1341424T1 (en) 2000-12-05 2001-11-09 Smoking product comprising a tobacco filter with a hollow mouthpiece
CY20071101391T CY1106962T1 (en) 2000-12-05 2007-10-29 SMOKING TOBACCO PRODUCT - TOBACCO FILTER

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10060234 2000-12-05
DE10060234A DE10060234C2 (en) 2000-12-05 2000-12-05 Smoking product with hollow mouthpiece tobacco filter
PCT/EP2001/013030 WO2002045531A1 (en) 2000-12-05 2001-11-09 Smoking product comprising a tobacco filter with a hollow mouthpiece

Publications (2)

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

Family

ID=7665746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01999293A Expired - Lifetime EP1341424B1 (en) 2000-12-05 2001-11-09 Smoking product comprising a tobacco filter with a hollow mouthpiece

Country Status (14)

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

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US8550092B2 (en) 2007-07-17 2013-10-08 British American Tobacco (Investments) Limited Filter

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SI1889550T1 (en) 2006-08-04 2009-12-31 Philip Morris Prod Multi-component filter providing multiple flavour enhancement
JP2014500035A (en) 2010-12-23 2014-01-09 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム Cigarettes, cuts and fillers containing cut and rolled stems
GB201110863D0 (en) † 2011-06-27 2011-08-10 British American Tobacco Co Smoking article filter and insertable filter unit thereof
ES2536954T3 (en) * 2011-10-21 2015-06-01 Philip Morris Products S.A. Smoking item that has a mouth end cavity with markings
ES2569038T3 (en) * 2012-09-28 2016-05-06 Reemtsma Cigarettenfabriken Gmbh Smoking article
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 (en) * 2013-10-24 2016-04-27 上海烟草集团有限责任公司 A kind of composite filter tip
CN109105951A (en) * 2018-08-08 2019-01-01 郭凌凌 A kind of cigarette reducing flue-gas temperature and its manufacturing method

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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

Also Published As

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

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