EP2269475B1 - Filtre pour une cigarette sans fumée - Google Patents

Filtre pour une cigarette sans fumée Download PDF

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Publication number
EP2269475B1
EP2269475B1 EP20090008579 EP09008579A EP2269475B1 EP 2269475 B1 EP2269475 B1 EP 2269475B1 EP 20090008579 EP20090008579 EP 20090008579 EP 09008579 A EP09008579 A EP 09008579A EP 2269475 B1 EP2269475 B1 EP 2269475B1
Authority
EP
European Patent Office
Prior art keywords
filter
smoke
cigarette
free cigarette
accordance
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.)
Not-in-force
Application number
EP20090008579
Other languages
German (de)
English (en)
Other versions
EP2269475A1 (fr
Inventor
Marcel Köller
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.)
Olig AG
Original Assignee
Olig AG
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Filing date
Publication date
Application filed by Olig AG filed Critical Olig AG
Priority to EP20090008579 priority Critical patent/EP2269475B1/fr
Publication of EP2269475A1 publication Critical patent/EP2269475A1/fr
Application granted granted Critical
Publication of EP2269475B1 publication Critical patent/EP2269475B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
    • A24D3/066—Use of materials for tobacco smoke filters characterised by structural features in the form of foam or having cellular structure

Definitions

  • the following invention relates to a smoke-free cigarette with a filter.
  • Smoke-free cigarettes are known from the prior art in various embodiments.
  • a smoke-free cigarette that has a heat pipe that is heated by the flame of a lighter. Due to its high heat capacity, the heat pipe releases heat over a sufficiently long period of time so that the stimulant contained in a reservoir can evaporate.
  • a smoke-free cigarette which has a nicotine depot and which is characterized in that a heating of the guided through the nicotine depot airflow to release the nicotine is not required.
  • the nicotine reservoir contains a carrier that is already in its gas phase at ambient temperature.
  • the WO 2007/054167 A1 relates to a smokeless cigarette having a heater running with a current-carrying heating wire for heating a reservoir from which nicotine is released.
  • the present invention has for its object to develop a smoke-free cigarette with a filter.
  • the filter is designed such that the filter has a retention with respect to nicotine and / or the nicotine-containing compound and / or one, more or all of the flavoring substances when the cigarette is used of less than 30% by weight.
  • a filter has a retention of less than 20% by weight, preferably less than 15% by weight, and more preferably less than 10% by weight.
  • a filter exhibits a retention of less than 5 wt%, preferably less than 2 wt%, more preferably less than 1 wt%, and most preferably less than 0.5 wt%.
  • nicotine and / or nicotine-containing compounds and / or flavoring substances which according to the present invention include any flavorings, flavorings and the like, can pass through the filter largely or completely unhindered.
  • WO 2008/113335 A2 discloses a smokeless cigarette.
  • the smokeless cigarette has an inhaler sleeve, a nicotine containment depot, and a mouthpiece.
  • a bore is provided through which the air can flow unfiltered.
  • the mouthpiece is made of plastic, preferably acetate-cellulose fibers.
  • the filter according to the present invention does not influence the gas flow in a preferred embodiment of the invention or as little as possible.
  • nicotine, flavoring or flavors during the active phase i.
  • the filter preferably pass largely unfiltered.
  • the filter is designed to assure the storage stability of the contents of the cigarette by having an intrinsic resistance has and pass nicotine and / or flavorings or flavorings only or substantially only with active pulling on the cigarette during its active phase the filter.
  • Filters according to the invention can therefore be designed in such a way that, when the cigarette is stored, ie when it is not used, it has a retention with respect to nicotine and / or the nicotine-containing compound and / or with respect to one, several or all of the flavorings, for example in the case of the 1-week period Storage of the cigarette z. B. at room temperature (25 ° C) and z. B. 30% humidity of more than 50 wt .-%, preferably of more than 75 wt .-%, preferably more than 90 wt .-% and particularly preferably more than 95 wt .-%.
  • the filter either additionally or exclusively a retention of one, several or all flavorings during storage, for. B. in the 1-week storage of the cigarette z. B. at room temperature (25 ° C) and at z. B. 30% humidity of more than 50 wt .-%, preferably of more than 75 wt .-%, preferably of more than 90 wt .-% and particularly preferably of more than 95 wt .-% to.
  • this filter can be modeled in its shape and its dimensions on a conventional cigarette filter.
  • it may be a circular cylindrical filter having a length of between about 0.5 cm and about 2 cm, preferably between about 1 cm and about 1.5 cm and a diameter of about 0.3 cm to about 1 cm, preferably about 0.4 cm to about 0.9 cm, and more preferably about 0.5 cm to about 0.8 cm act.
  • the filter does not necessarily have to be modeled on the shape of a conventional cigarette filter and, for example, can be much shorter or divided into several parts.
  • a mouthpiece consisting of a filter and a layer surrounding this filter for the consumer as possible to reproduce the haptic properties of a conventional cigarette.
  • a filter preferably consists essentially of materials which are completely or substantially inert to substances present in the enriched air of a smoke-free cigarette, in particular nicotine, but also other flavorings and flavorings.
  • the tendency to adsorb nicotine, or alkaloids in general, and various flavors and fragrances and carriers of the materials used is low, or the materials adsorb the substances mentioned in the usual use of the cigarette.
  • materials with a low tendency to adsorb for example, come into consideration, compared to the cellulose fibers in conventional cigarette filters by at least 50% lower adsorption of nicotine and at least 30% lower adsorption of flavors and aromas, preferably on all organic flavor and Show flavors.
  • the present invention relates to a smoke-free cigarette with a filter, wherein the smoke-free cigarette contains nicotine and / or a nicotine-containing compound and / or one or more flavoring agents and wherein the filter is as stated in claim 1.
  • the filter is made of open-cell polymer foams, or it contains open-cell polymer foams.
  • Suitable polymeric foams include polyesters such as polyethylene terephthalate, polyphenylene sulfide; Polyolefins such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, PTFE u. ⁇ ., Or polyamides, such as nylon or Perlon. Also, combinations of the above groups and examples, as well as others, hardly for the adsorption of Alkaloids prone plastics are suitable for producing such an open-pore polymer foam.
  • the filter is made wholly or partly of open-pore synthetic structures. Suitable synthetic structures are spunbonded nonwovens, felts and / or fabrics made of plastic fibers, preferably microfibers.
  • suitable microfibers have a yarn count of less than about 4 dtex, preferably less than about 2 dtex, more preferably less than 1 dtex. In another preferred embodiment, the yarn count is between about 0.5 dtex and 0.7 dtex.
  • microfibers having a fiber diameter of about 10 microns to about 50 microns are used, preferably with a fiber diameter of about 20 microns to about 40 microns, and more preferably with a fiber diameter of about 30 microns.
  • Suitable materials for suitable plastic fibers in one embodiment also include polyesters such as polyethylene terephthalate, polyphenylene sulfide; Polyolefins such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, PTFE u. ⁇ ., Or polyamides, such as nylon or Perlon, and combinations thereof.
  • Open-pore synthetic structures are interwoven or glued together in one embodiment.
  • a mixed construction of different polymer foams and / or open-pore synthetic structures is also possible.
  • the pore size of such polymer foams or synthetic structures may be equal to or greater than the pore size of conventional cigarette filters.
  • the pore size of conventional cigarette filters of filters of the invention will exceed at least about 20%, about 50%, or about 100%.
  • the average pore size may be, for example, about 10 microns to about 50 microns, or greater than about 30 microns.
  • the filter should in one embodiment, the gas flow in its composition and dosage as little as possible or only slightly influence. It should thus be done preferably in the flow through the filter no or only a slight change in the composition in any case with respect to nicotine and / or flavorings or flavors.
  • the pore structure is able to regulate the draw resistance of the smokeless cigarette and thus to conform to the draw resistance of a conventional cigarette.
  • the draft resistance of the smokeless cigarette through the filter is increased by at least about 10%, in a preferred embodiment by at least about 25%, and in a particular preferred embodiment by at least about 40%.
  • the draw resistance of a filter according to the invention may for example be between about 2 kPa and about 6 kPa, preferably between about 3 kpA and about 5.5 kPa, more preferably between about 4 kPa and about 5 kPa.
  • the filter may also be inhomogeneous in one embodiment, for example differ in different cross-sectional sections in its properties and / or in its design. So it is conceivable, for example, that a circular cylindrical filter in its core consists of an open-cell polymer foam, which on its outer side of an open-pore Synthetic structure is surrounded. It follows that the draw resistance in the middle of the filter, for example, may be smaller than at the edge regions of the filter. Thus, in one embodiment, it may be midway between about 2 kPa and about 5 kPa, and about 3 kPa to about 6 kPa in the edge region. Filters according to the invention also include those with flowing transitions and three- or multi-layered designs.
  • the invention relates to a smoke-free cigarette which contains at least one filter as specified in claim 1.
  • a smoke-free cigarette which contains at least one filter as specified in claim 1.
  • Such a cigarette can, in a preferred embodiment, visually and emotionally reproduce the properties of a conventional cigarette as well as possible.
  • the filter may therefore preferably be arranged in the mouthpiece of the smokeless cigarette or form the mouthpiece.
  • the filter may be further covered on its surface with a cover layer, preferably on the surface normal to the pulling direction, or in the event that the filter has a circular cylindrical shape preferably over the entire cylinder shell or parts of the cylinder jacket.
  • This cover layer can also be an extension of the cover layer for other cigarette parts, as is the case for example in a conventional cigarette.
  • the layer surrounding the filter should as far as possible not influence the gas flow, but essentially reproduce the haptic properties of a conventional cigarette mouthpiece in interaction with the filter.
  • paper is used as the material. Strength, hardness and additives of a preferred paper to be matched to the properties of the filter to adapt to the overall impression of the consumer to a conventional mouthpiece despite the other haptic properties of the filter over conventional filters.
  • the cover layer, in particular paper layer has no or almost no pores, as may be the case in conventional light cigarettes.
  • a smoke-free cigarette of the present invention is not intended to have absorbent subordinate materials that filter nicotine and / or flavorings from the nicotine-enriched air while pulling on the cigarette, such as activated charcoal and / or silica grains. These would also undesirably cause nicotine, flavor and flavors can not pass unattenuated.
  • the filter may comprise the mouthpiece, form the mouthpiece or be part of the mouthpiece.
  • the single figure shows a longitudinal sectional view through a mouthpiece and filter of a smoke-free cigarette according to the invention.
  • the present embodiment relates to a mouthpiece with filter for a smoke-free cigarette.
  • the filter or mouthpiece consists of an outer paper layer 1, which serves for the tactile stabilization of the filter construction and the configuration of haptic optical and tactile properties of a conventional cigarette.
  • the paper layer 1 has the shape of a hollow cylinder.
  • the cylindrical filter layer 2 located inside the cylinder-shaped mouthpiece also fulfills several functions outside the active phase of the cigarette. It forms on the one hand a desorption barrier for nicotine as well as for aromas or flavorings during storage, and also a mechanical barrier for the subsequent use of tobacco and for a self-sufficient heat unit, which are not shown in the figure.
  • the filter continues to serve the train regulation during the Using the smoke-free cigarette and allows nicotine and flavoring or flavoring preferably unattenuated, ie without or without significant depletion can pass through the filter.
  • the pore structure of the smokeless cigarette regulates its draw resistance.
  • the tobacco insert may be formed by a substrate comprising nicotine and one or more flavoring agents.
  • the heating unit may be arranged inside the cigarette and preferably comprise a medium which releases heat in a chemical reaction or in a physical transformation, in particular in a crystallization.
  • a crystallization medium for example, a salt hydrate such as e.g. Sodium acetate trihydrate into consideration.
  • the crystallization medium may be present as a supersaturated solution which crystallizes upon activation, thereby releasing heat.
  • This heat serves to promote or even initiate the desorption of nicotine and / or flavorings and / or flavors from a substrate.
  • the present embodiment thus relates to a smoke-free cigarette with an internal self-sufficient, i. no energy or heat input from the outside requiring heat unit and / or with a matrix containing nicotine and / or flavorings and / or flavorings.
  • the tobacco or said matrix may partially or completely surround the heating unit.
  • a reverse arrangement heat unit surrounding the tobacco or the matrix partially or completely is conceivable.
  • the filter layer further serves to regulate tension during the active phase, ie during use of the smokeless cigarette.
  • the filter material itself consists for example of open-cell polymer foams or comprises these.
  • organically structured foams are possible.
  • the filter material may consist of one or more of these substances or comprise one or more of these substances.
  • the filter may comprise the mouthpiece, form the mouthpiece or be part of the mouthpiece.
  • the filter material preferably has neutral properties so that on the one hand nicotine, aroma and flavorings can pass completely or substantially unhindered or undamped, on the other hand preferably a reactionless or largely reactionless long-term stability with respect to nicotine and / or flavorings and / or flavors is ensured.
  • the filter of the gas flow does not change or only to a small extent with regard to composition and dosage.
  • the extent of the change is preferably less than 10% or less than 5%, and especially preferably less than 2% or 1%.
  • the filter has the property that the shelf life of the cigarette is ensured over an extended period of time, for example, several weeks or months, since it constitutes a desorption barrier for all or at least some of the desorbable substances contained in the smokeless cigarette.
  • the present invention relates not only to cigarettes in the true sense, but also cigars, cigarillos, etc.
  • the term "cigarette” thus stands for both cigarettes and cigars, cigarillos etc.

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

Claims (10)

  1. Cigarette sans fumée avec un filtre
    caractérisée en ce que
    le filtre présente une mousse de polymère à pores ouverts et/ou un non tissé, un feutre et/ou un textile en fibres synthétiques, le filtre ne présentant pas de cellulose et aucune substance à base de cellulose.
  2. Cigarette sans fumée selon une quelconque des revendications précédentes, caractérisée en ce que la mousse de polymère à pores ouverts et/ou le non tissé, le feutre et/ou le textile en fibres synthétiques est inerte.
  3. Cigarette sans fumée selon une quelconque des revendications précédentes, caractérisée en ce que la mousse de polymère à pores ouverts et/ou le non tissé, le feutre et/ou le textile en fibres synthétiques n'est pas adsorbant quant à la nicotine et/ou les combinaisons à base de nicotine et/ou les substances aromatiques.
  4. Cigarette sans fumée selon une quelconque des revendications précédentes, caractérisée en ce que dans le cas des fibres synthétiques du non tissé, du feutre et/ou du textile, il s'agit de microfibres.
  5. Cigarette sans fumée selon une quelconque des revendications précédentes, caractérisée en ce que dans le cas des fibres synthétiques du non tissé, du feutre et/ou du textile, il s'agit de fibres de polyaminocaprolactame.
  6. Cigarette sans fumée selon une quelconque des revendications précédentes, caractérisée en ce que la mousse de polymère à pores ouverts et/ou les fibres synthétiques du non tissé, du feutre et/ou du textile se composent d'un polyester, comme par exemple du polyéthylènetéréphtalate ou du polysulfure de phénylène ; d'une polyoléfine, comme par exemple du polyéthylène, du polypropylène, du polystyrène, du chlorure de polyvinyle, ou du polytétrafluoréthylène ; d'un polyamide, comme par exemple du nylon ou du polycaprolactame ou des combinaisons de ceux-ci.
  7. Cigarette sans fumée selon une quelconque des revendications précédentes, caractérisée en ce que la résistance de tirage du filtre est comprise entre 2 kPa et 6 kPa.
  8. Cigarette sans fumée selon une quelconque des revendications précédentes, caractérisée en ce que le filtre est entouré sur sa surface périmétrique se trouvant normalement vers la direction du tirage par une couche de recouvrement, notamment une couche de papier.
  9. Cigarette sans fumée selon une quelconque des revendications précédentes, caractérisée en ce que la cigarette sans fumée présente une embouchure et en ce que le filtre se trouve dans l'embouchure ou en ce que l'embouchure est constituée par le filtre.
  10. Cigarette sans fumée selon une quelconque des revendications précédentes, caractérisée en ce que la cigarette ne présente aucune matière adsorbante disposée à côté du filtre.
EP20090008579 2009-06-30 2009-06-30 Filtre pour une cigarette sans fumée Not-in-force EP2269475B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20090008579 EP2269475B1 (fr) 2009-06-30 2009-06-30 Filtre pour une cigarette sans fumée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20090008579 EP2269475B1 (fr) 2009-06-30 2009-06-30 Filtre pour une cigarette sans fumée

Publications (2)

Publication Number Publication Date
EP2269475A1 EP2269475A1 (fr) 2011-01-05
EP2269475B1 true EP2269475B1 (fr) 2013-08-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090008579 Not-in-force EP2269475B1 (fr) 2009-06-30 2009-06-30 Filtre pour une cigarette sans fumée

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EP (1) EP2269475B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140352708A1 (en) * 2013-05-30 2014-12-04 Seng C. Tan Filters for Cigarettes, Pipes, and Cigars and Related Products
EP3197300B1 (fr) 2014-09-26 2018-07-04 Philip Morris Products S.A. Système de génération d'aérosol comprenant une nouvelle source de composé améliorant la distribution

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19541873A1 (de) 1995-11-09 1997-05-15 Rhodia Ag Rhone Poulenc Filterzigarette
US6273095B1 (en) * 1998-07-20 2001-08-14 Jong-Pyng Hsu Cigarette filter which removes carcinogens and toxic chemicals
DE102005034169B4 (de) 2005-07-21 2008-05-29 NjoyNic Ltd., Glen Parva Rauchfreie Zigarette
DE102005054255A1 (de) 2005-11-11 2007-05-24 Hauni Maschinenbau Ag Rauchfreie Zigarette
DE202006001663U1 (de) 2006-02-03 2006-04-27 Kieslich, Dirk Rauchfreie Zigarette mit Nikotin- und Geschmacksstoffkissen jedoch ohne gesundheitsschädliche Verbrennungsstoffe sowie Nebenwirkungen
US9560881B2 (en) * 2007-03-16 2017-02-07 Essentra Pte. Ltd Smokeless cigarette and method for the production thereof

Also Published As

Publication number Publication date
EP2269475A1 (fr) 2011-01-05

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