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EP2227973A1 - Smoke-free cigarette - Google Patents

Smoke-free cigarette Download PDF

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Publication number
EP2227973A1
EP2227973A1 EP09003623A EP09003623A EP2227973A1 EP 2227973 A1 EP2227973 A1 EP 2227973A1 EP 09003623 A EP09003623 A EP 09003623A EP 09003623 A EP09003623 A EP 09003623A EP 2227973 A1 EP2227973 A1 EP 2227973A1
Authority
EP
European Patent Office
Prior art keywords
smoke
layer
layers
free cigarette
cigarette 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
EP09003623A
Other languages
German (de)
French (fr)
Other versions
EP2227973B1 (en
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
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
Priority to EP09003623.7A priority Critical patent/EP2227973B1/en
Application filed by Olig AG filed Critical Olig AG
Priority to CN2009801333080A priority patent/CN102131411A/en
Priority to CA2712412A priority patent/CA2712412C/en
Priority to PCT/EP2009/004686 priority patent/WO2009156181A2/en
Priority to CN201910654327.3A priority patent/CN110584203A/en
Priority to CN201510758301.5A priority patent/CN107822204A/en
Priority to BRPI0913891-9A priority patent/BRPI0913891B1/en
Priority to JP2011515222A priority patent/JP6016259B2/en
Priority to EP09769030.9A priority patent/EP2303043B1/en
Priority to AU2009262422A priority patent/AU2009262422B2/en
Priority to EA201071208A priority patent/EA019900B1/en
Priority to US12/864,390 priority patent/US9046278B2/en
Priority to PCT/EP2010/001585 priority patent/WO2010102832A1/en
Publication of EP2227973A1 publication Critical patent/EP2227973A1/en
Priority to US14/698,071 priority patent/US10098382B2/en
Application granted granted Critical
Publication of EP2227973B1 publication Critical patent/EP2227973B1/en
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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/22—Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources

Definitions

  • the present invention relates to a smoke-free cigarette.
  • Smoke-free cigarettes are known in many different embodiments. They generally have a nicotine-containing reservoir from which the nicotine is released by desorption when exposed to heat and then supplied to the user with a draft through the smoke-free cigarette. Furthermore, flavoring agents can be provided which are desorbed from a matrix when the cigarette is used and then also supplied to the user with the draft.
  • the present invention has the object of developing a smoke-free cigarette to the effect that the unwanted volatilization of nicotine and / or flavorants is prevented, thus giving the smokeless cigarette a particularly good shelf life over a longer period.
  • the smoke-free cigarette comprises a multi-layered outer shell, the outer layer of which has the optical properties of a conventional cigarette, of which another layer is a desorption barrier designed to inhibit the desorption of nicotine and / or or flavors, or at least substantially limited, and another layer of which is a stabilizing layer adapted to impart to the cigarette the mechanical stability required for use.
  • the present invention thus relates to a smokeless cigarette with a multi-layer outer shell whose layers fulfill different tasks.
  • the multi-layer outer casing is preferably completely or substantially desorption-tight, that is, nicotine and / or flavors remain in the space surrounding the outer casing, even if the smoke-free cigarette is stored for a long time.
  • the outer shell may have the three layers mentioned or consist of these.
  • the invention further relates to a smoke-free cigarette with one or more layers having outer shell, of which the outer layer consists of paper or paper, of which another layer consists of metal or metal and of which another layer consists of a plastic material or a plastic material.
  • the paper layer may be the layer having the optical properties of a conventional cigarette, the metal layer may be the layer preventing or at least substantially hindering desorption, and the plastic layer may be the layer act, which gives the smoke-free cigarette the required mechanical stability.
  • the outer layer of paper serves to configure the haptic, optical and tactile properties of a conventional cigarette.
  • the directly or indirectly inwardly following metal layer, preferably aluminum layer forms the desorption barrier for nicotine and flavorings. Preferably, it also serves to regulate the heat during the active phase, that is, during the use phase of the smokeless cigarette.
  • the further and relative to the metal layer inside layer may consist of a plastic layer. On the one hand, it provides the necessary overall stability and, preferably, tension control and aroma resistance.
  • the overall arrangement that is, the multi-layer outer shell can be made single-layered or as a composite material.
  • the desorption barrier is arranged between the outer layer and the stabilization layer, or that the layer consisting of metal or metal is disposed between the outermost layer and the layer consisting of plastic material or having a plastic material.
  • the desorption barrier forms a "middle layer" which is located between the outer layer and the inner layer.
  • the layers of the multilayer outer shell can adjoin one another directly.
  • the invention also includes that one or more further intermediate layers are arranged between the individual layers.
  • the outer shell consists only of these three layers.
  • the metal is preferably aluminum.
  • the desorption barrier is thus preferably formed by an aluminum layer or by a layer which comprises at least aluminum.
  • the desorption barrier may be in the form of a film, preferably in the form of a metal foil and particularly preferably in the form of an aluminum foil.
  • At least one layer, preferably several or all layers of the outer shell in the form of a cigarette is cylindrical.
  • the layers of the outer shell all extend over the same length or over different lengths of the cigarette.
  • the smoke-free cigarette has a mouthpiece, and that the desorption barrier and / or the stabilization layer extend as far as the mouthpiece and the outer layer also around the mouthpiece.
  • the outer layer that surrounds the mouthpiece has the same color as a conventional cigarette in the region of the filter.
  • the mouthpiece is arranged so that the user picks up the nicotine and / or the flavorings with a warmed draft of air through the mouthpiece.
  • the mouthpiece to be adjoined by a space in which a nicotine reservoir and / or a reservoir for flavoring substances and / or a self-sufficient heating unit are arranged.
  • the thickness of the layers of the outer shell is identical.
  • the invention also includes that one layer has a smaller thickness than the other two layers or that one layer has a greater thickness than the other two layers.
  • the desorption barrier which can be embodied as a foil, has a smaller thickness than at least one or else both of the other two layers.
  • the stabilization layer has a greater thickness than at least one or both of the other layers.
  • the outer shell surrounds a space in which a self-sufficient heat generating unit and / or nicotine and / or flavorings are arranged.
  • the nicotine or the flavorings can be arranged on a matrix, preferably on tobacco or else on another suitable matrix material. They are desorbed there when the cigarette is used.
  • a heat source is used for desorption. This can be carried out, for example, in the form of a self-sufficient heating unit, that is, as a heat source that does not require external energy supply.
  • the self-sufficient heating unit comprises a medium which can be converted into the crystalline state at ambient temperature.
  • a medium which can be converted into the crystalline state at ambient temperature.
  • sodium acetate trihydrate, sodium sulfate or sodium sulfate compounds, magnesium nitrate hexahydrate, etc. may be used.
  • This self-sufficient heating unit may be activated, that is, crystallized, by a user, by a triggering mechanism.
  • the multilayer outer shell has been manufactured in the form of a composite material or that the layers of the outer shell are produced individually and then possibly joined together by the use of connecting means.
  • the single figure shows a longitudinal section through a three-layer outer shell of a smokeless cigarette.
  • the outer shell consists of three layers of material.
  • the outer paper layer 1 serves to configure the haptic, optical and tactile properties of a conventional cigarette.
  • this paper layer 1 is adjoined by an aluminum layer 2, which forms the desorption barrier for nicotine and flavors / aromas present in the space surrounded by the outer shell.
  • the aluminum layer serves at the same time the heat regulation.
  • the aluminum layer 2 is followed by a plastic or plastic layer 3.
  • This consists of a plastic layer and ensures on the one hand for the necessary overall stability of the smokeless cigarette, for the train regulation and for the flavor stability.
  • three layers may be provided to form the entire outer shell.
  • the invention also encompasses that between two or all of the illustrated layers there are intermediate layers which have certain functional properties, such as, for example, the adhesion of the layers to one another, etc.
  • the outer shell consists only of the three layers shown.
  • a major advantage of the arrangement shown is that a smokeless cigarette is provided which is storable over a longer period, since the desorption of nicotine or flavorants is largely hindered or completely prevented without having to give up the usual feel of conventional cigarettes.
  • the paper layer may form the outermost layer of the multilayer outer shell.
  • the invention also includes that a further layer, such as a coating or the like, is applied to this layer.
  • the inner layer that is, the plastic layer 3 may form the innermost layer of the multilayer outer shell.
  • a further layer such as an inner coating.
  • the three layers 1, 2, 3 of the outer shell are shown with identical or largely identical thickness.
  • the invention also includes the case that different thicknesses can be provided. For example, it may be sufficient.
  • the outer shell shown in longitudinal section in the figure has the form of a hollow cylindrical body in the interior of which there is a matrix on which nicotine and flavorings are located. Furthermore, there is a self-sufficient heating unit in the interior, preferably in the form of a crystallizable medium.
  • This self-sufficient thermal unit can be activated, for example, by pressure on the outer shell shown from the outside by the user. This leads to crystallization and thus heat dissipation.
  • This heat release heats a draft of air which is drawn through the interior of the smokeless cigarette and possibly a mouthpiece. The heating further results in facilitating the desorption of nicotine and / or flavor from the aforementioned matrix.
  • the self-sufficient heating unit is designed so that it gives off heat over a typical useful life of a conventional cigarette.
  • the structure of the self-sufficient thermal unit and said matrix may be formed such that the matrix extends around the autonomous heating unit.
  • the invention also encompasses the fact that the self-sufficient heating unit extends around said matrix.
  • cigarette is to be interpreted broadly and includes, in addition to the actual cigarette, for example, cigars, cigarillos, etc.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Laminated Bodies (AREA)

Abstract

The cigarette (10) has a thermal unit (40) for self-sustaining generation of heat and a nicotine reservoir provided with nicotine or a nicotine-containing compound. The thermal unit has a crystallization medium i.e. metastable solution, to continuously emit heat between 5 and 10 minutes during crystallization. An outer sleeve (22) is provided with a paper layer, a metal layer and a plastic layer, where the cigarette is designed as a disposable article. The thermal unit is heated to the temperature between 45 and 55 degree Celsius. The medium comprises fluid containing the salthydrate such as natrium acetate-trihydrate and/or sodium sulfate and/or magnesium nitrate-hexahydrate. Independent claims are also included for the following: (1) a method for manufacturing a smoke-free cigarette (2) a method for providing a thermal unit used in a smoke-free cigarette.

Description

Die vorliegende Erfindung betrifft eine rauchfreie Zigarette.The present invention relates to a smoke-free cigarette.

Rauchfreie Zigaretten sind in zahlreichen unterschiedlichen Ausführungsformen bekannt. Sie weisen im allgemeinen ein nikotinhaltiges Reservoir auf, aus dem das Nikotin durch Desorption bei Wärmeeinwirkung freigesetzt wird und sodann mit einem Luftzug durch die rauchfreie Zigarette dem Nutzer zugeführt wird. Des weiteren können Geschmacksstoffe vorgesehen sein, die bei Nutzung der Zigarette von einer Matrix desorbiert werden und sodann ebenfalls mit dem Luftzug dem Nutzer zugeführt werden.Smoke-free cigarettes are known in many different embodiments. They generally have a nicotine-containing reservoir from which the nicotine is released by desorption when exposed to heat and then supplied to the user with a draft through the smoke-free cigarette. Furthermore, flavoring agents can be provided which are desorbed from a matrix when the cigarette is used and then also supplied to the user with the draft.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine rauchfreie Zigarette dahingehend weiterzubilden, dass die ungewollte Verflüchtigung von Nikotin und/oder von Geschmacksstoffen verhindert wird, um somit der rauchfreien Zigarette eine besonders gute Lagerfähigkeit über einen längeren Zeitraum zu verleihen.The present invention has the object of developing a smoke-free cigarette to the effect that the unwanted volatilization of nicotine and / or flavorants is prevented, thus giving the smokeless cigarette a particularly good shelf life over a longer period.

Diese Aufgabe wird durch eine rauchfreie Zigarette mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a smoke-free cigarette with the features of claim 1.

Danach ist vorgesehen, dass die rauchfreie Zigarette eine mehrere Lagen aufweisende Außenhülle umfasst, von denen die äußere Lage die optischen Eigenschaften einer herkömmlichen Zigarette aufweist, von denen eine weitere Lage eine Desorptionsbarriere ist, die derart ausgeführt ist, dass sie die Desorption von Nikotin und/oder von Geschmacksstoffen verhindert oder zumindest wesentlich beschränkt, und von denen eine weitere Lage eine Stabilisierungslage ist, die derart ausgeführt ist, dass sie der Zigarette die zur Nutzung erforderliche mechanische Stabilität verleiht.Thereafter, it is envisaged that the smoke-free cigarette comprises a multi-layered outer shell, the outer layer of which has the optical properties of a conventional cigarette, of which another layer is a desorption barrier designed to inhibit the desorption of nicotine and / or or flavors, or at least substantially limited, and another layer of which is a stabilizing layer adapted to impart to the cigarette the mechanical stability required for use.

Die vorliegende Erfindung betrifft somit eine rauchfreie Zigarette mit einer Mehrlagenaußenhülle, deren Lagen unterschiedliche Aufgaben erfüllen. Um die geforderte Lagerfähigkeit zu erreichen, ist die Mehrlagenaußenhülle vorzugsweise vollständig oder weitgehend desorptionsdicht, das heißt Nikotin und/oder Geschmacksstoffe verbleiben in den durch die Außenhülle umgebenden Raum, auch wenn die rauchfreie Zigarette über längere Zeit gelagert wird.The present invention thus relates to a smokeless cigarette with a multi-layer outer shell whose layers fulfill different tasks. In order to achieve the required shelf life, the multi-layer outer casing is preferably completely or substantially desorption-tight, that is, nicotine and / or flavors remain in the space surrounding the outer casing, even if the smoke-free cigarette is stored for a long time.

Die Außenhülle kann die drei genannten Lagen aufweisen oder auch aus diesen bestehen.The outer shell may have the three layers mentioned or consist of these.

Die Erfindung betrifft des weiteren eine rauchfreie Zigarette mit einer oder mehreren Lagen aufweisenden Außenhülle, von denen die äußere Lage aus Papier besteht oder Papier aufweist, von denen eine weitere Lage aus Metall besteht oder Metall aufweist und von denen eine weitere Lage aus einem Kunststoffmaterial besteht oder ein Kunststoffmaterial aufweist.The invention further relates to a smoke-free cigarette with one or more layers having outer shell, of which the outer layer consists of paper or paper, of which another layer consists of metal or metal and of which another layer consists of a plastic material or a plastic material.

Bei der Papierlage kann es sich um die Lage handeln, die die optischen Eigenschaften einer herkömmlichen Zigarette aufweist, bei der Metalllage kann es sich um die Lage handeln, die die Desorption verhindert oder zumindest wesentlich behindert, und bei der Kunststofflage kann es sich um die Lage handeln, die der rauchfreien Zigarette die erforderliche mechanische Stabilität verleiht.The paper layer may be the layer having the optical properties of a conventional cigarette, the metal layer may be the layer preventing or at least substantially hindering desorption, and the plastic layer may be the layer act, which gives the smoke-free cigarette the required mechanical stability.

Die äußere Papierschicht dient der Konfiguration von haptischen, optischen und taktilen Eigenschaften einer konventionellen Zigarette. Die unmittelbar oder mittelbar nach innen folgende Metallschicht, vorzugsweise Aluminiumschicht bildet die Desorptionsbarriere für Nikotin und Geschmacksstoffe. Vorzugsweise dient sie gleichzeitig der Wärmeregulierung während der Aktivphase, das heißt während der Nutzungsphase der rauchfreien Zigarette.The outer layer of paper serves to configure the haptic, optical and tactile properties of a conventional cigarette. The directly or indirectly inwardly following metal layer, preferably aluminum layer forms the desorption barrier for nicotine and flavorings. Preferably, it also serves to regulate the heat during the active phase, that is, during the use phase of the smokeless cigarette.

Die weitere und relativ zu der Metalllage innen liegende Schicht kann aus einer Kunststofflage bestehen. Sie sorgt zum einen für die notwendige Gesamtstabilität und vorzugsweise für die Zugregulierung sowie für die Aromenbeständigkeit.The further and relative to the metal layer inside layer may consist of a plastic layer. On the one hand, it provides the necessary overall stability and, preferably, tension control and aroma resistance.

Die Gesamtanordnung, das heißt die mehrlagige Außenhülle kann einzellagig gefertigt werden oder auch als Verbundmaterial.The overall arrangement, that is, the multi-layer outer shell can be made single-layered or as a composite material.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass die Desorptionsbarriere zwischen der äußeren Lage und der Stabilisierungslage angeordnet ist, bzw. dass die aus Metall bestehende oder Metall aufweisende Lage zwischen der äußersten Lage und der aus Kunststoffmaterial bestehenden oder ein Kunststoffmaterial aufweisenden Lage angeordnet ist. In diesem Fall bildet die Desorptionsbarriere eine "Mittellage", die zwischen der äußeren Lage und der inneren Lage angeordnet ist.In a further embodiment of the invention, it is provided that the desorption barrier is arranged between the outer layer and the stabilization layer, or that the layer consisting of metal or metal is disposed between the outermost layer and the layer consisting of plastic material or having a plastic material. In this case, the desorption barrier forms a "middle layer" which is located between the outer layer and the inner layer.

Die Lagen der mehrlagigen Außenhülle können unmittelbar aneinandergrenzen. Grundsätzlich ist von der Erfindung jedoch auch umfasst, dass zwischen den einzelnen Lagen eine oder mehrere weitere Zwischenlagen angeordnet sind. Bevorzugt ist es jedoch, wenn die genannten Lagen der Außenhülle unmittelbar aneinander grenzen. Weiterhin vorgesehen ist vorzugsweise, jedoch nicht zwingend, wenn die Außenhülle nur aus diesen drei Lagen besteht.The layers of the multilayer outer shell can adjoin one another directly. In principle, however, the invention also includes that one or more further intermediate layers are arranged between the individual layers. However, it is preferred if the said layers of the outer shell directly adjoin one another. Furthermore provided is preferably, but not mandatory, if the outer shell consists only of these three layers.

Wie ausgeführt, handelt es sich bei dem Metall vorzugsweise um Aluminium. Die Desorptionsbarriere wird vorzugsweise somit durch eine Aluminiumschicht gebildet bzw. durch eine Schicht, die zumindest Aluminium aufweist.As stated, the metal is preferably aluminum. The desorption barrier is thus preferably formed by an aluminum layer or by a layer which comprises at least aluminum.

Die Desorptionsbarriere kann in Form einer Folie, vorzugsweise in Form einer Metallfolie und besonders bevorzugt in Form einer Aluminiumfolie ausgeführt sein.The desorption barrier may be in the form of a film, preferably in the form of a metal foil and particularly preferably in the form of an aluminum foil.

In bevorzugter Ausgestaltung der Erfindung ist wenigstens eine Lage, vorzugsweise mehrere oder alle Lagen der Außenhülle in Form einer Zigarette zylinderförmig ausgeführt.In a preferred embodiment of the invention, at least one layer, preferably several or all layers of the outer shell in the form of a cigarette is cylindrical.

Weiterhin kann vorgesehen sein, dass sich die Lagen der Außenhülle alle über dieselbe Länge oder über unterschiedliche Längen der Zigarette erstrecken. So ist es beispielsweise denkbar, dass die rauchfreie Zigarette ein Mundstück aufweist, und dass sich die Desorptionsbarriere und/oder die Stabilisierungslage bis zum Mundstück und die äußere Lage auch um das Mundstück herum erstreckt. Denkbar ist es, dass die äußere Lage, die das Mundstück umgibt eine Farbe aufweist, wie sie eine herkömmliche Zigarette im Bereich des Filters aufweist. Vorzugsweise ist das Mundstück so angeordnet, dass der Nutzer das Nikotin und/oder die Geschmacksstoffe mit einem angewärmten Luftzug durch das Mundstück hindurch aufnimmt. Denkbar ist es somit beispielsweise, dass sich an das Mundstück ein Raum anschließt, in dem ein Nikotinreservoir und/oder ein Reservoir für Geschmacksstoffe und/oder eine autarke Wärmeeinheit angeordnet ist.Furthermore, it can be provided that the layers of the outer shell all extend over the same length or over different lengths of the cigarette. For example, it is conceivable that the smoke-free cigarette has a mouthpiece, and that the desorption barrier and / or the stabilization layer extend as far as the mouthpiece and the outer layer also around the mouthpiece. It is conceivable that the outer layer that surrounds the mouthpiece has the same color as a conventional cigarette in the region of the filter. Preferably, the mouthpiece is arranged so that the user picks up the nicotine and / or the flavorings with a warmed draft of air through the mouthpiece. Thus, it is conceivable, for example, for the mouthpiece to be adjoined by a space in which a nicotine reservoir and / or a reservoir for flavoring substances and / or a self-sufficient heating unit are arranged.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass die Dicke der Lagen der Außenhülle identisch ist.In a further embodiment of the invention it is provided that the thickness of the layers of the outer shell is identical.

Von der Erfindung ist jedoch auch umfasst, dass eine Lage eine geringere Dicke aufweist als die beiden anderen Lagen oder dass eine Lage eine größere Dicke aufweist als die beiden anderen Lagen.However, the invention also includes that one layer has a smaller thickness than the other two layers or that one layer has a greater thickness than the other two layers.

So ist es beispielsweise denkbar, dass die Desorptionsbarriere, die als Folie ausgeführt sein kann, eine geringere Dicke aufweist, als wenigstens eine oder auch als beide der beiden anderen Lagen.Thus, for example, it is conceivable that the desorption barrier, which can be embodied as a foil, has a smaller thickness than at least one or else both of the other two layers.

Des weiteren kann vorgesehen sein, dass die die Stabilisierungslage eine größere Dicke aufweist, als wenigstens eine oder auch als beide der anderen Lagen.Furthermore, it can be provided that the stabilization layer has a greater thickness than at least one or both of the other layers.

Wie ausgeführt, ist vorzugsweise vorgesehen, dass die Außenhülle einen Raum umgibt, in dem eine autarke Wärmeerzeugungseinheit und/oder Nikotin und/oder Geschmacksstoffe angeordnet sind. Das Nikotin bzw. die Geschmacksstoffe können auf eine Matrix, vorzugsweise auf Tabak oder auch auf einem anderen geeigneten Matrixmaterial angeordnet sein. Sie werden dort desorbiert, wenn die Zigarette genutzt wird. Vorzugsweise dient zur Desorption eine Wärmequelle. Diese kann beispielsweise in Form einer autarken Wärmeeinheit ausgeführt sein, das heißt als eine Wärmequelle, die von Außen keine Energiezufuhr benötigt.As stated, it is preferably provided that the outer shell surrounds a space in which a self-sufficient heat generating unit and / or nicotine and / or flavorings are arranged. The nicotine or the flavorings can be arranged on a matrix, preferably on tobacco or else on another suitable matrix material. They are desorbed there when the cigarette is used. Preferably, a heat source is used for desorption. This can be carried out, for example, in the form of a self-sufficient heating unit, that is, as a heat source that does not require external energy supply.

Vorzugsweise ist vorgesehen, dass die autarke Wärmeeinheit ein Medium umfaßt, das bei Umgebungstemperatur in den kristallinen Zustand überführbar ist. In Betracht kommt beispielsweise Natriumacetat-Trihydrat, Natriumsulfat oder Natriumsulfat-Verbindungen, Magnesiumnitrat-Hexahydrat, etc. Diese autarke Wärmeeinheit kann durch eine Auslösemechanismus aktiviert, das heißt zur Kristallisation gebracht werden, der durch einen Nutzer betätigt wird.It is preferably provided that the self-sufficient heating unit comprises a medium which can be converted into the crystalline state at ambient temperature. For example, sodium acetate trihydrate, sodium sulfate or sodium sulfate compounds, magnesium nitrate hexahydrate, etc. may be used. This self-sufficient heating unit may be activated, that is, crystallized, by a user, by a triggering mechanism.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass die mehrlagige Außenhülle in Form eines Verbundmaterials gefertigt wurde oder dass die Lagen der Außenhülle einzeln hergestellt und sodann gegebenenfalls durch Verwendung von Verbindungsmitteln zusammengefügt werden.In a further embodiment of the invention, it is provided that the multilayer outer shell has been manufactured in the form of a composite material or that the layers of the outer shell are produced individually and then possibly joined together by the use of connecting means.

Weitere Einzelheiten und Vorteile der Erfindung werden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.Further details and advantages of the invention will be explained in more detail with reference to an embodiment shown in the drawing.

Die einzige Figur zeigt einen Längsschnitt durch eine dreilagige Außenhülle einer rauchfreien Zigarette.The single figure shows a longitudinal section through a three-layer outer shell of a smokeless cigarette.

Wie dargestellt, besteht die Außenhülle aus drei Materialschichten. Die äußere Papierschicht 1 dient der Konfiguration der haptischen, optischen und taktilen Eigenschaften einer konventionellen Zigarette.As shown, the outer shell consists of three layers of material. The outer paper layer 1 serves to configure the haptic, optical and tactile properties of a conventional cigarette.

Nach innen schließt sich an diese Papierschicht 1 eine Aluminiumschicht 2 an, die die Desorptionsbarriere für Nikotin und Geschmacksstoffe/Aromen bildet, die sich in dem von der Außenhülle umgebenen Raum befinden.On the inside, this paper layer 1 is adjoined by an aluminum layer 2, which forms the desorption barrier for nicotine and flavors / aromas present in the space surrounded by the outer shell.

Während der Nutzungsphase der rauchfreien Zigarette, d. h. während der Wärmeentwicklung durch die autarke Wärmeeinheit dient die Aluminiumschicht gleichzeitig der Wärmeregulierung.During the use phase of the smokeless cigarette, d. H. during the heat development by the self-sufficient heat unit, the aluminum layer serves at the same time the heat regulation.

Nach innen schließt sich an die Aluminiumschicht 2 eine Plastik- bzw. Kunststoffschicht 3 an. Diese besteht aus einer Kunststofflage und sorgt zum einen für die notwendige Gesamtstabilität der rauchfreien Zigarette, für die Zugregulierung und für die Aromenbeständigkeit.Inwardly, the aluminum layer 2 is followed by a plastic or plastic layer 3. This consists of a plastic layer and ensures on the one hand for the necessary overall stability of the smokeless cigarette, for the train regulation and for the flavor stability.

Wie dies aus der Figur hervorgeht, können somit drei Lagen vorgesehen sein, um die gesamte Außenhülle zu bilden.As can be seen from the figure, thus three layers may be provided to form the entire outer shell.

Von der Erfindung ist jedoch auch umfasst, dass sich zwischen zwei oder allen der dargestellten Lagen Zwischenschichten befinden, die bestimmte funktionale Eigenschaften aufweisen, wie beispielsweise die Haftfähigkeit der Lagen aneinander verbessert, etc.However, the invention also encompasses that between two or all of the illustrated layers there are intermediate layers which have certain functional properties, such as, for example, the adhesion of the layers to one another, etc.

Bevorzugt ist es jedoch, wenn die Außenhülle nur aus den drei dargestellten Lagen besteht. Wesentlicher Vorteil der dargestellten Anordnung ist es, das eine rauchlose Zigarette bereitgestellt wird, die über einen längeren Zeitraum lagerfähig ist, da die Desorption von Nikotin bzw. Geschmacksstoffen weitgehend behindert oder gänzlich verhindert wird, ohne auf die gewohnte Haptik konventioneller Zigaretten verzichten zu müssen.However, it is preferred if the outer shell consists only of the three layers shown. A major advantage of the arrangement shown is that a smokeless cigarette is provided which is storable over a longer period, since the desorption of nicotine or flavorants is largely hindered or completely prevented without having to give up the usual feel of conventional cigarettes.

Die Papierschicht kann die äußerste Schicht der Mehrlagenaußenhülle bilden. Grundsätzlich ist von der Erfindung jedoch auch umfasst, dass auf diese Schicht eine weitere Schicht, wie beispielsweise eine Beschichtung oder dergleichen aufgebracht ist. In ähnlicher Weise kann die Innenschicht, das heißt die Plastikschicht 3 die innerste Schicht der Mehrlagenaußenhülle bilden. Jedoch ist es auch von der Erfindung umfasst, dass sich an die Innenschicht eine weitere Schicht, wie beispielsweise eine innere Beschichtung anschließt.The paper layer may form the outermost layer of the multilayer outer shell. In principle, however, the invention also includes that a further layer, such as a coating or the like, is applied to this layer. Similarly, the inner layer, that is, the plastic layer 3 may form the innermost layer of the multilayer outer shell. However, it is also encompassed by the invention that adjoins the inner layer, a further layer, such as an inner coating.

In der Zeichnung sind die drei Lagen 1, 2, 3 der Außenhülle mit identischer oder weitgehend identischer Dicke dargestellt. Von der Erfindung ist jedoch auch der Fall umfasst, dass unterschiedliche Dicken vorgesehen sein können. So kann es beispielsweise ausreichend sein. Die Desorptionsbarriere in Form einer vergleichsweise dünnen Aluminiumfolie bereitzustellen, die die dünnste Schicht der drei dargestellten Lagen darstellen kann.In the drawing, the three layers 1, 2, 3 of the outer shell are shown with identical or largely identical thickness. However, the invention also includes the case that different thicknesses can be provided. For example, it may be sufficient. To provide the desorption barrier in the form of a comparatively thin aluminum foil, which may be the thinnest layer of the three illustrated layers.

Die in der Figur im Längsschnitt dargestellte Außenhülle weist die Form eines hohlzylindrischen Körpers auf, in dessen Innenraum sich eine Matrix befindet, auf der sich Nikotin und Geschmacksstoffe befinden. Des weiteren befindet sich in dem Innenraum eine autarke Wärmeeinheit, vorzugsweise in Form eines kristallisationsfähigen Mediums. Diese autarke Wärmeeinheit kann beispielsweise durch Druck auf die dargestellte Außenhülle von Außen durch den Nutzer aktiviert werden. Damit kommt es zur Kristallisation und somit zur Wärmeabgabe. Durch diese Wärmeabgabe wird zum einen ein Luftzug, der durch den Innenraum der rauchfreien Zigarette und gegebenenfalls ein Mundstück gezogen wird, erwärmt. Die Erwärmung führt des weiteren dazu, dass die Desorption von Nikotin und/oder von Geschmacksstoffen von der genannten Matrix erleichtert wird.The outer shell shown in longitudinal section in the figure has the form of a hollow cylindrical body in the interior of which there is a matrix on which nicotine and flavorings are located. Furthermore, there is a self-sufficient heating unit in the interior, preferably in the form of a crystallizable medium. This self-sufficient thermal unit can be activated, for example, by pressure on the outer shell shown from the outside by the user. This leads to crystallization and thus heat dissipation. This heat release, on the one hand, heats a draft of air which is drawn through the interior of the smokeless cigarette and possibly a mouthpiece. The heating further results in facilitating the desorption of nicotine and / or flavor from the aforementioned matrix.

Vorzugsweise ist die autarke Wärmeeinheit so ausgeführt, dass sie über eine übliche Nutzungsdauer einer herkömmlichen Zigarette Wärme abgibt.Preferably, the self-sufficient heating unit is designed so that it gives off heat over a typical useful life of a conventional cigarette.

Der Aufbau der autarken Wärmeeinheit und der genannten Matrix kann so ausgeformt sein, dass sich die Matrix um die autarke Wärmeeinheit herum erstreckt.The structure of the self-sufficient thermal unit and said matrix may be formed such that the matrix extends around the autonomous heating unit.

Grundsätzlich ist von der Erfindung jedoch auch umfasst, dass die autarke Wärmeeinheit sich um die genannte Matrix herum erstreckt.In principle, however, the invention also encompasses the fact that the self-sufficient heating unit extends around said matrix.

Auch andere Anordnungen von Matrix und Wärmeeinheit sind denkbar und von der Erfindung mit umfasst.Other arrangements of matrix and heating unit are conceivable and encompassed by the invention.

Der Begriff "Zigarette" ist weit auszulegen und umfasst neben der eigentlichen Zigarette beispielsweise auch Zigarren, Zigarillos etc.The term "cigarette" is to be interpreted broadly and includes, in addition to the actual cigarette, for example, cigars, cigarillos, etc.

Claims (15)

Rauchfreie Zigarette mit einer mehrere Lagen aufweisenden Außenhülle, von denen die äußere Lage die optischen Eigenschaften einer herkömmlichen Zigarette aufweist, von denen eine weitere Lage eine Desorptionsbarriere ist, die derart ausgeführt ist, dass sie die Desorption von Nikotin und/oder Geschmacksstoffen verhindert oder beschränkt, und von denen eine weitere Lage eine Stabilisierungslage ist, die derart ausgeführt ist, dass sie der Zigarette eine für die Nutzung hinreichende mechanische Stabilität verleiht.Smoke-free cigarette having a multi-layered outer shell, the outer layer having the optical properties of a conventional cigarette, of which another layer is a desorption barrier designed to prevent or limit the desorption of nicotine and / or flavorants; and another layer of which is a stabilizing layer adapted to impart sufficient mechanical stability to the cigarette for use. Rauchfreie Zigarette mit einer mehrere Lagen aufweisenden Außenhülle, von denen die äußere Lage aus Papier besteht oder Papier aufweist, von denen eine weitere Lage aus Metall besteht oder Metall aufweist und von denen eine weitere Lage aus einem Kunststoffmaterial besteht oder ein Kunststoffmaterial aufweist.Smoke-free cigarette having a multi-layered outer shell, the outer layer of which consists of paper or paper, of which another layer of metal or metal and of which another layer consists of a plastic material or comprises a plastic material. Rauchfreie Zigarette nach Anspruch 1, dadurch gekennzeichnet, dass die rauchfreie Zigarette mit den Merkmalen des Anspruchs 2 ausgeführt ist.Smoke-free cigarette according to claim 1, characterized in that the smoke-free cigarette is designed with the features of claim 2. Rauchfreie Zigarette nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Desorptionsbarriere zwischen der äußeren Lage und der Stabilisierungslage angeordnet ist, bzw. dass die aus Metall bestehende oder Metall aufweisende Lage zwischen der äußeren Lage und der aus Kunststoffmaterial bestehenden oder ein Kunststoffmaterial aufweisenden Lage angeordnet ist.Smoke-free cigarette according to one of the preceding claims, characterized in that the desorption barrier between the outer layer and the stabilizing layer is arranged, or that the metal or metal-containing layer between the outer layer and the existing plastic material or a plastic material having position is. Rauchfreie Zigarette nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Lagen unmittelbar aneinandergrenzen oder dass zwischen diesen angeordnete Zwischenlagen vorgesehen sind.Smoke-free cigarette according to one of the preceding claims, characterized in that the layers adjoin one another directly or that intermediate layers arranged between them are provided. Rauchfreie Zigarette nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass es sich bei dem Metall um Aluminium handelt.Smoke-free cigarette according to one of claims 2 to 5, characterized in that it is the metal is aluminum. Rauchfreie Zigarette nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Desorptionsbarriere in Form einer Folie, vorzugsweise in Form einer Metallfolie und insbesondere in Form einer Aluminiumfolie ausgeführt ist.Smoke-free cigarette according to one of the preceding claims, characterized in that the desorption barrier is designed in the form of a film, preferably in the form of a metal foil and in particular in the form of an aluminum foil. Rauchfreie Zigarette nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass wenigstens eine Lage, vorzugsweise alle Lagen der Außenhülle zylinderförmig ausgeführt sind und/oder dass sich die Lagen der Außenhülle alle über dieselbe Länge oder über unterschiedliche Längen der Zigarette erstrecken.Smoke-free cigarette according to one of the preceding claims, characterized in that at least one layer, preferably all layers of the outer shell are cylindrical and / or that the layers of the outer shell all extend over the same length or over different lengths of the cigarette. Rauchfreie Zigarette nach Anspruch 8, dadurch gekennzeichnet, dass die rauchfreie Zigarette ein Mundstück aufweist und dass sich die Desorptionsbarriere und/oder die Stabilisierungslage bis zum Mundstück und die äußere Lage um das Mundstück herum erstreckt.Smoke-free cigarette according to claim 8, characterized in that the smoke-free cigarette has a mouthpiece and that the desorption barrier and / or the stabilizing layer extends to the mouthpiece and the outer layer around the mouthpiece around. Rauchfreie Zigarette nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dicke der Lagen der Außenhülle identisch ist.Smoke-free cigarette according to one of the preceding claims, characterized in that the thickness of the layers of the outer shell is identical. Rauchfreie Zigarette nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass eine Lage eine geringere Dicke aufweist als die beiden anderen Lagen oder dass eine Lage eine größere Dicke aufweist als die beiden anderen Lagen.Smoke-free cigarette according to one of claims 1 to 9, characterized in that one layer has a smaller thickness than the other two layers or that one layer has a greater thickness than the other two layers. Rauchfreie Zigarette nach Anspruch 11, dadurch gekennzeichnet, dass die Desorptionsbarriere eine geringere Dicke aufweist, als wenigstens eine der beiden anderen Lagen aufweist.Smoke-free cigarette according to claim 11, characterized in that the desorption barrier has a smaller thickness than at least one of the two other layers. Rauchfreie Zigarette nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass die die Stabilisierungslage eine größere Dicke aufweist, als wenigstens eine der beiden anderen Lagen.Smoke-free cigarette according to claim 11 or 12, characterized in that the stabilizing layer has a greater thickness than at least one of the other two layers. Rauchfreie Zigarette nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Außenhülle einen Raum umgibt, in dem eine autarke Wärmeerzeugungseinheit und/oder Nikotin und/oder Geschmacksstoffe angeordnet sind, wobei die autarke Wärmeerzeugungseinheit vorzugsweise ein Medium umfaßt, dass bei Umgebungstemperatur in den kristallinen Zustand überführbar ist.Smoke-free cigarette according to one of the preceding claims, characterized in that the outer shell surrounds a space in which a self-sufficient heat generating unit and / or nicotine and / or flavorings are arranged, wherein the self-sufficient heat generating unit preferably comprises a medium that at ambient temperature in the crystalline state is convertible. Rauchfreie Zigarette nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Lagen der Außenhülle als Einzellagen oder in Form eines Verbundmaterials vorliegen.Smoke-free cigarette according to one of the preceding claims, characterized in that the layers of the outer shell are present as individual layers or in the form of a composite material.
EP09003623.7A 2008-06-27 2009-03-12 Smoke-free cigarette Not-in-force EP2227973B1 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
EP09003623.7A EP2227973B1 (en) 2009-03-12 2009-03-12 Smoke-free cigarette
EA201071208A EA019900B1 (en) 2008-06-27 2009-06-29 Smoke-free cigarette
PCT/EP2009/004686 WO2009156181A2 (en) 2008-06-27 2009-06-29 Smoke-free cigarette
CN201910654327.3A CN110584203A (en) 2008-06-27 2009-06-29 Smokeless cigarette
CN201510758301.5A CN107822204A (en) 2008-06-27 2009-06-29 Smokeless cigarette
BRPI0913891-9A BRPI0913891B1 (en) 2008-06-27 2009-06-29 SMOKE-FREE CIGARETTE
JP2011515222A JP6016259B2 (en) 2008-06-27 2009-06-29 Smokeless cigarette
EP09769030.9A EP2303043B1 (en) 2008-06-27 2009-06-29 Smoke-free cigarette
CN2009801333080A CN102131411A (en) 2008-06-27 2009-06-29 smokeless cigarettes
CA2712412A CA2712412C (en) 2008-06-27 2009-06-29 Smoke-free cigarette
US12/864,390 US9046278B2 (en) 2008-06-27 2009-06-29 Smoke-free cigarette
AU2009262422A AU2009262422B2 (en) 2008-06-27 2009-06-29 Smoke-free cigarette
PCT/EP2010/001585 WO2010102832A1 (en) 2009-03-12 2010-03-12 Smoke-free cigarette
US14/698,071 US10098382B2 (en) 2008-06-27 2015-04-28 Smoke-free cigarette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09003623.7A EP2227973B1 (en) 2009-03-12 2009-03-12 Smoke-free cigarette

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EP2227973A1 true EP2227973A1 (en) 2010-09-15
EP2227973B1 EP2227973B1 (en) 2016-12-28

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EP (1) EP2227973B1 (en)
WO (1) WO2010102832A1 (en)

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US12041968B2 (en) 2011-09-06 2024-07-23 Nicoventures Trading Limited Heating smokeable material
US11672279B2 (en) 2011-09-06 2023-06-13 Nicoventures Trading Limited Heating smokeable material
US11241042B2 (en) 2012-09-25 2022-02-08 Nicoventures Trading Limited Heating smokeable material
EP2954793A4 (en) * 2013-03-08 2016-11-23 Japan Tobacco Inc INOMINATOR OF FLAVOR TYPE WITHOUT COMBUSTION
US10036574B2 (en) 2013-06-28 2018-07-31 British American Tobacco (Investments) Limited Devices comprising a heat source material and activation chambers for the same
US10542777B2 (en) 2014-06-27 2020-01-28 British American Tobacco (Investments) Limited Apparatus for heating or cooling a material contained therein
US11659863B2 (en) 2015-08-31 2023-05-30 Nicoventures Trading Limited Article for use with apparatus for heating smokable material
US11924930B2 (en) 2015-08-31 2024-03-05 Nicoventures Trading Limited Article for use with apparatus for heating smokable material
US11064725B2 (en) 2015-08-31 2021-07-20 British American Tobacco (Investments) Limited Material for use with apparatus for heating smokable material
US11452313B2 (en) 2015-10-30 2022-09-27 Nicoventures Trading Limited Apparatus for heating smokable material
US11825870B2 (en) 2015-10-30 2023-11-28 Nicoventures Trading Limited Article for use with apparatus for heating smokable material
US12016393B2 (en) 2015-10-30 2024-06-25 Nicoventures Trading Limited Apparatus for heating smokable material
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