EP2138059B1 - Method of filling a receptacle of an autarkic heat unit, smoke-free cigarette with an autarkic heat unit, and device for filling a receptacle of an autarkic heat unit - Google Patents

Method of filling a receptacle of an autarkic heat unit, smoke-free cigarette with an autarkic heat unit, and device for filling a receptacle of an autarkic heat unit Download PDF

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Publication number
EP2138059B1
EP2138059B1 EP09003622.9A EP09003622A EP2138059B1 EP 2138059 B1 EP2138059 B1 EP 2138059B1 EP 09003622 A EP09003622 A EP 09003622A EP 2138059 B1 EP2138059 B1 EP 2138059B1
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EP
European Patent Office
Prior art keywords
medium
filling
receiver
accordance
storage container
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
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EP09003622.9A
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German (de)
French (fr)
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EP2138059A1 (en
Inventor
Marcel Köller
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Olig AG
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Olig AG
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Publication date
Application filed by Olig AG filed Critical Olig AG
Priority to EP09769030.9A priority Critical patent/EP2303043B1/en
Priority to PCT/EP2009/004686 priority patent/WO2009156181A2/en
Priority to US12/864,390 priority patent/US9046278B2/en
Priority to CN201510758301.5A priority patent/CN107822204A/en
Priority to BRPI0913891-9A priority patent/BRPI0913891B1/en
Priority to CN201910654327.3A priority patent/CN110584203A/en
Priority to CN2009801333080A priority patent/CN102131411A/en
Priority to EA201071208A priority patent/EA019900B1/en
Priority to AU2009262422A priority patent/AU2009262422B2/en
Priority to CA2712412A priority patent/CA2712412C/en
Priority to JP2011515222A priority patent/JP6016259B2/en
Publication of EP2138059A1 publication Critical patent/EP2138059A1/en
Application granted granted Critical
Publication of EP2138059B1 publication Critical patent/EP2138059B1/en
Priority to US14/698,071 priority patent/US10098382B2/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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 method for filling a receptacle of a self-sufficient heating unit for use in a smoke-free cigarette.
  • Such self-sufficient thermal units may, for example, be those which have a medium which is capable of crystallization or comprises at least one crystallizable component such as, for example, a salt hydrate. When crystallization of this medium occurs, heat is released, resulting in the heating of a draft of air passed through the non-smoking cigarette and the desorption of nicotine and any flavoring agents.
  • the WO 2004/098324 A1 discloses a smokeless cigarette with a self-sufficient heating unit with a crystallizable medium.
  • sodium acetate trihydrate is described as a suitable latent heat storage medium having a phase transition temperature of 58.4 ° C.
  • the recordings for the medium are designed, for example, as tubular heat pads which have a maximum diameter of 6 mm and a maximum length of approximately 100 mm.
  • a problem with the filling of such recordings or heat pads is that it can lead to unwanted spontaneous crystallization or to the doping of the medium with crystallization nuclei, which could lead to crystallization at an unwanted time. This ultimately leads to the fact that the crystallization and thus also the release of heat possibly takes place before the use of smoke-free cigarette, which is of course undesirable.
  • the spontaneous crystallization and also the doping with crystallization nuclei can be effectively prevented if the medium, in particular sodium acetate or a sodium acetate solution at a temperature of more than 50 ° C, preferably maintained above 60 ° C and / or processed.
  • a process control is thus provided in this temperature range, whereby the crystallizable medium without spontaneous crystallization and without the said doping with crystallization nuclei can be reliably filled into the inclusion of a self-sufficient thermal unit. This leads to a high reliability of the smoke-free cigarette designed with the self-sufficient heating unit, since the crystallization and thus the heat generation does not occur prematurely, but occurs when the user so desires.
  • the medium may be sodium acetate or a sodium acetate-containing solution.
  • the invention is not limited to this medium, but may also include other crystallizable media, and especially salts, preferably salt hydrates, such as hydrated sodium sulfate or magnesium nitrate hexahydrate.
  • the medium is filled into a receptacle having an inner diameter in the range of 2 mm to 7 mm, preferably in the range of 3 mm to 6 mm and particularly preferably of at most 6 mm.
  • the receptacle may for example have a length in the range of 70 mm to 110 mm, preferably in the range of 80 mm to 100 mm and particularly preferably of at most 100 mm.
  • the receptacle can be embodied, for example, in the form of a tube, which can be round or also rectangular in cross-section. This tube is closed after its filling with the medium.
  • the activation that is, the triggering of the crystallization process is preferably carried out by applying pressure to the outside of the recording by the user of the smokeless cigarette.
  • the medium is hydrate- or water-containing and that the storage and / or the filling is carried out under a water vapor pressure which is above the desorption pressure of the water of the medium.
  • the dehydration of the salt hydrate solution or of the medium during storage and / or during the filling process can be prevented.
  • This dehydration would have the disadvantage that it leads to an increase in the probability of crystallization. Therefore, the storage and / or the filling process is preferably carried out under a higher water vapor pressure, as the water vapor pressure of the water in the salt hydrate solution or the medium.
  • the medium is received before being filled in a storage container and is conveyed by means of a filling mechanism, preferably with a hydraulically operating filling mechanism from the reservoir directly or indirectly, for example by means of said cannula or other supply means in the recording of self-sufficient heat unit.
  • the present invention further relates to a smoke-free cigarette with one or more self-sufficient heating units, which are filled according to a method according to one of claims 1 to 7.
  • the invention further relates to a device for filling a receptacle of a self-sufficient heating unit for use in a smoke-free cigarette with a medium which is crystallizable or has a crystallizable component, wherein the device has a storage container and / or supply means for feeding the medium into the receptacle and means are provided by means of which the medium in the storage container and / or in the supply means is maintained at a temperature of at least 50 ° C, preferably at least 60 ° C.
  • the supply means may be, for example, a cannula which is dimensioned such that it can be inserted into the interior of the receptacle.
  • Other supply means are of course conceivable.
  • the storage container may have a filling mechanism, preferably a hydraulically operating filling mechanism.
  • the device in particular the supply means are movable relative to the receptacle.
  • the feeding means are movable relative to the receptacle.
  • the medium is hydrate- or water-containing and that the device comprises means by means of which the storage and / or the filling process carried out under a water vapor pressure, which is above the desorption pressure of the water of the medium. As stated above, this can prevent dehydration of the salt hydrate solution or of the medium.
  • the single FIGURE shows a schematic view of the heat pad tube 10, which is closed after its filling with a crystallizable medium and then used as a self-sufficient heat unit of a smoke-free cigarette.
  • the heat pad tube which may have a maximum diameter of 6 mm and a maximum total length of 100 mm, filled by means of a filling cannula 20, which in turn is in communication with a storage container 30.
  • the storage container 30 is not one connected filling hydraulic, which has the task, the crystallizable Fill medium through the filling cannula 20 in the interior of the bathpadrschreibchens 10.
  • the reservoir 30 and the filling cannula 20 can be moved relative to the heat pad tube 10 in its axial direction, so that, for example, first the left portion of the tube 10 according to the figure and in the further course it can be filled at the subsequent opening of the furnishedpadrschreibchens 10 subsequent areas.
  • sodium acetate is to be processed and filled in liquid, ready-to-use state.
  • the sodium acetate is introduced into the prefabricated, single-sided heat-emptying tubes 10 by means of one or more cannulas 20 and then the tubes 10 are closed.
  • the sodium acetate in the reservoir 30 and optionally also in the filling cannula 20 is maintained at a temperature of more than 60 ° C and processed. This process control prevents spontaneous crystallization and the doping with crystallization nuclei.
  • the water vapor pressure of the salt hydrate solution in the reservoir 30 or in the filling cannula 20 is set to a value higher than the desorption pressure of the water in the salt hydrate solution.
  • the sodium acetate heat pad according to the embodiment shown here is ready for use immediately after its filling. Due to the filling process shown above, the further processing of the heat pads and the heat pad 10 is not a problem and they or the provided smoke-free cigarettes can be stored, for example, over a longer period without causing unwanted crystallization of the sodium acetate.
  • cigarette is to be interpreted broadly and includes, in addition to the actual cigarette, for example, cigars, cigarillos, etc.

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  • Manufacture Of Tobacco Products (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (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 ein Verfahren zur Befüllung einer Aufnahme einer autarken Wärmeeinheit zur Verwendung in einer rauchfreien Zigarette.The present invention relates to a method for filling a receptacle of a self-sufficient heating unit for use in a smoke-free cigarette.

Es sind rauchfreie Zigaretten bekannt, die eine autarke Wärmeeinheit, das heißt eine Wärmeeinheit aufweisen, die ohne externe Energiezufuhr auskommt, um Wärme zu erzeugen. Bei derartigen autarken Wärmeeinheiten kann es sich beispielsweise um solche handeln, die ein Medium aufweisen, das kristallisationsfähig ist oder zumindest einen kristallisationsfähigen Bestandteil wie beispielsweise ein Salzhydrat umfasst. Kommt es zu einer Kristallisation dieses Mediums, wird Wärme freigesetzt, die zur Erwärmung eines durch die rauchfreie Zigarette geführten Luftzuges und zur Desorption von Nikotin und etwaigen Aromastoffen führt.There are smoke-free cigarettes are known, which have a self-sufficient heat unit, that is, a heat unit that does not require external power supply to generate heat. Such self-sufficient thermal units may, for example, be those which have a medium which is capable of crystallization or comprises at least one crystallizable component such as, for example, a salt hydrate. When crystallization of this medium occurs, heat is released, resulting in the heating of a draft of air passed through the non-smoking cigarette and the desorption of nicotine and any flavoring agents.

Die WO 2004/098324 A1 offenbart eine rauchfreie Zigarette mit einer autarken Wärmeeinheit mit einem kristallisationsfähigen Medium. In der US 4,574,051 A wird Natriumacetat-Trihydrat als geeignetes Latentwärmespeichermedium mit einer Phasenübergangstemperatur von 58,4°C beschrieben.The WO 2004/098324 A1 discloses a smokeless cigarette with a self-sufficient heating unit with a crystallizable medium. In the US 4,574,051 A For example, sodium acetate trihydrate is described as a suitable latent heat storage medium having a phase transition temperature of 58.4 ° C.

Die Aufnahmen für das Medium sind beispielsweise als röhrchenförmige Wärmepads ausgeführt, die einen Durchmesser von maximal 6 mm und eine maximale Länge von ca. 100 mm aufweisen. Ein Problem bei der Befüllung von solchen Aufnahmen bzw. Wärmepads besteht darin, dass es zu ungewollter Spontankristallisation oder zu der Dotierung des Mediums mit Kristallisationskeimen kommen kann, die zu einer Kristallisation zu einem ungewollten Zeitpunkt führen könnte. Dies führt letztlich dazu, dass die Kristallisation und damit auch die Wärmefreisetzung gegebenenfalls vor der Nutzung der rauchfreien Zigarette erfolgt, was selbstverständlich unerwünscht ist.The recordings for the medium are designed, for example, as tubular heat pads which have a maximum diameter of 6 mm and a maximum length of approximately 100 mm. A problem with the filling of such recordings or heat pads is that it can lead to unwanted spontaneous crystallization or to the doping of the medium with crystallization nuclei, which could lead to crystallization at an unwanted time. This ultimately leads to the fact that the crystallization and thus also the release of heat possibly takes place before the use of smoke-free cigarette, which is of course undesirable.

Daher liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein Verfahren zur Befüllung einer Aufnahme einer autarken Wärmeeinheit zur Verwendung in einer rauchfreien Zigarette dahingehend weiterzubilden, dass das Risiko einer Spontankristallisation oder der Dotierung mit Kristallisationskeimen, die zu einem ungewollten Kristallisieren führen kann, ausgeschlossen oder minimiert wird.It is therefore an object of the present invention to further develop a method for filling a receptacle of a self-sufficient heating unit for use in a smoke-free cigarette so as to eliminate or minimize the risk of spontaneous crystallization or nucleation doping, which can lead to unwanted crystallization ,

Diese Aufgabe wird durch ein Verfahren mit den Merkmalen des Anspruchs 1 gelöst. Danach ist vorgesehen, dass das Medium vor und/oder während seiner Befüllung in die Aufnahme der autarken Wärmeeinheit bei einer Temperatur von mindestens 50°C, vorzugsweise von mindestens 60°C gehalten bzw. verarbeitet wird.This object is achieved by a method having the features of claim 1. Thereafter, it is provided that the medium before and / or during its filling in the recording of the self-sufficient heating unit at a temperature of at least 50 ° C, preferably maintained at least 60 ° C or processed.

Es hat sich herausgestellt, dass die Spontankristallisation sowie auch die Dotierung mit Kristallisationskeimen wirksam verhindert werden kann, wenn das Medium, insbesondere Natriumacetat bzw. eine Natriumacetat-Lösung bei einer Temperatur von mehr als 50°C, vorzugsweise von mehr als 60°C gehalten und/oder verarbeitet wird. Erfindungsgemäß ist somit eine Prozessführung in diesem Temperaturbereich vorgesehen, wodurch das kristallisationsfähige Medium ohne Spontankristallisation und ohne die genannte Dotierung mit Kristallisationskeimen zuverlässig in die Aufnahme einer autarken Wärmeeinheit eingefüllt werden kann. Dies führt zu einer hohen Zuverlässigkeit der mit der autarken Wärmeeinheit ausgeführten rauchfreien Zigarette, da die Kristallisation und somit die Wärmebildung nicht vorzeitig, sondern dann eintritt, wenn der Nutzer dies wünscht.It has been found that the spontaneous crystallization and also the doping with crystallization nuclei can be effectively prevented if the medium, in particular sodium acetate or a sodium acetate solution at a temperature of more than 50 ° C, preferably maintained above 60 ° C and / or processed. According to the invention, a process control is thus provided in this temperature range, whereby the crystallizable medium without spontaneous crystallization and without the said doping with crystallization nuclei can be reliably filled into the inclusion of a self-sufficient thermal unit. This leads to a high reliability of the smoke-free cigarette designed with the self-sufficient heating unit, since the crystallization and thus the heat generation does not occur prematurely, but occurs when the user so desires.

Wie ausgeführt, kann es sich bei dem Medium um Natriumacetat handeln bzw. um eine natriumacetathaltige Lösung.As stated, the medium may be sodium acetate or a sodium acetate-containing solution.

Die Erfindung ist jedoch nicht auf dieses Medium beschränkt, sondern kann auch andere kristallisationsfähige Medien und insbesondere Salze, vorzugsweise Salzhydrate, wie hydratisiertes Natriumsulfat oder Magnesiumnitrat-Hexahydrat, umfassen.However, the invention is not limited to this medium, but may also include other crystallizable media, and especially salts, preferably salt hydrates, such as hydrated sodium sulfate or magnesium nitrate hexahydrate.

In einer Ausgestaltung der Erfindung wird das Medium in eine Aufnahme eingefüllt, die einen Innendurchmesser im Bereich von 2 mm bis 7 mm, vorzugsweise im Bereich von 3 mm bis 6 mm und besonders bevorzugt von maximal 6 mm aufweist.In one embodiment of the invention, the medium is filled into a receptacle having an inner diameter in the range of 2 mm to 7 mm, preferably in the range of 3 mm to 6 mm and particularly preferably of at most 6 mm.

Die Aufnahme kann beispielsweise eine Länge im Bereich von 70 mm bis 110 mm, vorzugsweise im Bereich von 80 mm bis 100 mm und besonders bevorzugt von maximal 100 mm aufweisen.The receptacle may for example have a length in the range of 70 mm to 110 mm, preferably in the range of 80 mm to 100 mm and particularly preferably of at most 100 mm.

Dabei handelt es sich um exemplarische Werte, die die Erfindung nicht beschränken.These are exemplary values that do not limit the invention.

Die Aufnahme kann beispielsweise in Form eines Röhrchens ausgeführt sein, das im Querschnitt rund oder auch eckig ausgeführt sein kann. Dieses Röhrchen wird nach seiner Befüllung mit dem Medium verschlossen.The receptacle can be embodied, for example, in the form of a tube, which can be round or also rectangular in cross-section. This tube is closed after its filling with the medium.

Die Aktivierung, das heißt die Auslösung des Kristallisationsvorganges erfolgt vorzugsweise durch Ausüben von Druck auf die Außenseite der Aufnahme durch den Nutzer der rauchfreien Zigarette.The activation, that is, the triggering of the crystallization process is preferably carried out by applying pressure to the outside of the recording by the user of the smokeless cigarette.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass das Medium hydrat- bzw. wasserhaltig ist und dass die Bevorratung und/oder die Befüllung unter einem Wasserdampfdruck durchgeführt, der über dem Desorptionsdruck des Wassers des Mediums liegt. Auf diese Weise kann die Dehydrierung der Salzhydratlösung bzw. des Mediums beim Bevorraten und/oder beim Befüllungsprozess verhindert werden. Diese Dehydrierung hätte den Nachteil, dass sie zu einer Erhöhung der Wahrscheinlichkeit für die Kristallisation führt. Daher wird die Bevorratung und/oder der Befüllungsprozess vorzugsweise unter einem höheren Wasserdampfdruck durchgeführt, als der Wasserdampfdruck des Wassers in der Salzhydratlösung bzw. dem Medium ist.In a further embodiment of the invention, it is provided that the medium is hydrate- or water-containing and that the storage and / or the filling is carried out under a water vapor pressure which is above the desorption pressure of the water of the medium. In this way, the dehydration of the salt hydrate solution or of the medium during storage and / or during the filling process can be prevented. This dehydration would have the disadvantage that it leads to an increase in the probability of crystallization. Therefore, the storage and / or the filling process is preferably carried out under a higher water vapor pressure, as the water vapor pressure of the water in the salt hydrate solution or the medium.

Denkbar ist es, das Medium durch eine Befüllungskanüle aus einem Vorratsbehältnis in die Aufnahme der autarken Wärmeeinheit einzufüllen. Dabei kann vorgesehen sein, dass auch die Befüllungskanüle beheizt ist bzw. sichergestellt ist, dass auch diese und/oder die Aufnahme selbst bei einer vergleichsweise hohen Temperatur in den oben angegebenen Bereichen gehalten wird, um die ungewollte Kristallisation des Mediums und die ungewollte Dotierung des Mediums mit Kristallisationskeimen zu verhindern.It is conceivable to fill the medium through a filling cannula from a storage container into the receptacle of the self-sufficient heating unit. It can be provided that also the filling cannula is heated or is ensured that these and / or the recording is held even at a relatively high temperature in the above ranges, the unwanted crystallization of the medium and the unwanted doping of the medium to prevent with crystallization germs.

Denkbar ist es, dass das Medium vor seiner Befüllung in einem Vorratsbehältnis aufgenommen ist und mittels eines Befüllungsmechanismus, vorzugsweise mit einem hydraulisch arbeitenden Befüllungsmechanismus aus dem Vorratsbehälter unmittelbar oder mittelbar, beispielsweise mittels der genannten Kanüle oder sonstigen Zufuhreinrichtungen in die Aufnahme der autarken Wärmeeinheit gefördert wird.It is conceivable that the medium is received before being filled in a storage container and is conveyed by means of a filling mechanism, preferably with a hydraulically operating filling mechanism from the reservoir directly or indirectly, for example by means of said cannula or other supply means in the recording of self-sufficient heat unit.

Die vorliegende Erfindung betrifft des weiteren eine rauchfreie Zigarette mit einer oder mehreren autarken Wärmeeinheiten, die gemäß einem Verfahren nach einem der Ansprüche 1 bis 7 gefüllt sind.The present invention further relates to a smoke-free cigarette with one or more self-sufficient heating units, which are filled according to a method according to one of claims 1 to 7.

Die Erfindung betrifft des weiteren eine Vorrichtung zur Befüllung einer Aufnahme einer autarken Wärmeeinheit zur Verwendung in einer rauchfreien Zigarette mit einem Medium, das kristallisationsfähig ist oder einen kristallisationsfähigen Bestandteil aufweist, wobei die Vorrichtung ein Vorratsbehältnis und/oder Zufuhrmittel zur Zuführung des Mediums in die Aufnahme aufweist und wobei Mittel vorgesehen sind, mittels derer das in dem Vorratsbehältnis und/oder in dem Zufuhrmittel befindlichen Medium auf einer Temperatur von mindestens 50°C, vorzugsweise von mindestens 60°C gehalten wird.The invention further relates to a device for filling a receptacle of a self-sufficient heating unit for use in a smoke-free cigarette with a medium which is crystallizable or has a crystallizable component, wherein the device has a storage container and / or supply means for feeding the medium into the receptacle and means are provided by means of which the medium in the storage container and / or in the supply means is maintained at a temperature of at least 50 ° C, preferably at least 60 ° C.

Bei den Zufuhrmitteln kann es sich beispielsweise um eine Kanüle handeln, die derart dimensioniert ist, dass sie in den Innenraum der Aufnahme einführbar ist. Auch andere Zufuhrmittel sind selbstverständlich denkbar.The supply means may be, for example, a cannula which is dimensioned such that it can be inserted into the interior of the receptacle. Other supply means are of course conceivable.

Der Vorratsbehälter kann einen Befüllungsmechanismus, vorzugsweise einen hydraulisch arbeitenden Befüllungsmechanismus aufweisen.The storage container may have a filling mechanism, preferably a hydraulically operating filling mechanism.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass die Vorrichtung, insbesondere die Zuführmittel relativ zu der Aufnahme bewegbar sind. So ist es beispielsweise denkbar, zu Beginn des Befüllprozesses die Zuführmittel möglichst weit in die Aufnahme einzuschieben, dann den Befüllvorgang zu initiieren und beim Befüllen die Zuführmittel sukzessive aus der Aufnahme herauszuführen.In a further embodiment of the invention it is provided that the device, in particular the supply means are movable relative to the receptacle. Thus, it is conceivable, for example, to insert the feeding means as far as possible into the receptacle at the beginning of the filling process, then to initiate the filling process and, during filling, to successively lead the feeding means out of the receptacle.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass das Medium hydrat- bzw. wasserhaltig ist und dass die Vorrichtung Mittel aufweist, mittels derer die Bevorratung und/oder der Befüllvorgang unter einem Wasserdampfdruck durchgeführt, der über dem Desorptionsdruck des Wassers des Mediums liegt. Wie oben ausgeführt, kann dadurch verhindert werden, dass es zu einer Dehydrierung der Salzhydratlösung bzw. des Mediums kommt.In a further embodiment of the invention, it is provided that the medium is hydrate- or water-containing and that the device comprises means by means of which the storage and / or the filling process carried out under a water vapor pressure, which is above the desorption pressure of the water of the medium. As stated above, this can prevent dehydration of the salt hydrate solution or of the medium.

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

Die einzige Figur zeigt in einer schematischen Ansicht das Wärmepadröhrchen 10, das nach seiner Befüllung mit einem kristallisationsfähigen Medium verschlossen und sodann als autarke Wärmeeinheit einer rauchfreien Zigarette verwendet wird.The single FIGURE shows a schematic view of the heat pad tube 10, which is closed after its filling with a crystallizable medium and then used as a self-sufficient heat unit of a smoke-free cigarette.

Wie aus der Figur ersichtlich, wird das Wärmepadröhrchen, das einen maximalen Durchmesser von 6 mm und eine maximale Gesamtlänge von 100 mm aufweisen kann, mittels einer Befüllungskanüle 20 befüllt, die ihrerseits in Verbindung steht mit einem Vorratsbehältnis 30. Das Vorratsbehältnis 30 ist mit einer nicht näher dargestellten Befüllungshydraulik verbunden, die die Aufgabe hat, das kristallisationsfähige Medium durch die Befüllungskanüle 20 in den Innenraum des Wärmepadröhrchens 10 einzufüllen.As can be seen from the figure, the heat pad tube, which may have a maximum diameter of 6 mm and a maximum total length of 100 mm, filled by means of a filling cannula 20, which in turn is in communication with a storage container 30. The storage container 30 is not one connected filling hydraulic, which has the task, the crystallizable Fill medium through the filling cannula 20 in the interior of the Wärmepadröhrchens 10.

Wie dies durch den Doppelpfeil in der Figur ersichtlich ist, kann der Vorratsbehälter 30 bzw. die Befüllungskanüle 20 relativ zu dem Wärmepadröhrchen 10 in dessen axialer Richtung bewegt werden, so dass beispielsweise zunächst der gemäß der Figur linke Abschnitt des Röhrchens 10 und im weiteren Verlauf die sich daran zur Öffnung des Wärmepadröhrchens 10 anschließenden Bereiche gefüllt werden.As can be seen by the double arrow in the figure, the reservoir 30 and the filling cannula 20 can be moved relative to the heat pad tube 10 in its axial direction, so that, for example, first the left portion of the tube 10 according to the figure and in the further course it can be filled at the subsequent opening of the Wärmepadröhrchens 10 subsequent areas.

Bei dem hier näher dargestellten Ausführungsbeispiel soll Natriumacetat in flüssigem, gebrauchsfertigem Zustand verarbeitet und eingefüllt werden.In the exemplary embodiment illustrated here, sodium acetate is to be processed and filled in liquid, ready-to-use state.

In die vorgefertigten, einseitig verschlossenen Wärmepadröhrchen 10 wird mittels einer oder mehreren Kanülen 20 das Natriumacetat eingebracht und anschließend werden die Röhrchen 10 verschlossen. Wie oben ausgeführt, wird zur Verhinderung der ungewollten Spontankristallisation und der ungewollten Dotierung mit Kristallisationskeimen das Natriumacetat in dem Vorratsbehälter 30 und gegebenenfalls zusätzlich auch in der Befüllungskanüle 20 bei einer Temperatur von mehr als 60°C gehalten und verarbeitet. Diese Prozessführung verhindert die Spontankristallisation sowie die Dotierung mit Kristallisationskeimen.The sodium acetate is introduced into the prefabricated, single-sided heat-emptying tubes 10 by means of one or more cannulas 20 and then the tubes 10 are closed. As stated above, in order to prevent the unwanted spontaneous crystallization and the unwanted doping with crystallization nuclei, the sodium acetate in the reservoir 30 and optionally also in the filling cannula 20 is maintained at a temperature of more than 60 ° C and processed. This process control prevents spontaneous crystallization and the doping with crystallization nuclei.

Um zu verhindern, dass es zu einer Änderung des Wassergehaltes der Natriumacetatlösung kommt, wird der Wasserdampfdruck der Salzhydratlösung in dem Vorratsbehälter 30 bzw. in der Befüllungskanüle 20 auf einen höheren Wert eingestellt als der Desorptionsdruck des Wassers in der Salzhydratlösung.In order to prevent the water content of the sodium acetate solution from being changed, the water vapor pressure of the salt hydrate solution in the reservoir 30 or in the filling cannula 20 is set to a value higher than the desorption pressure of the water in the salt hydrate solution.

Grundsätzlich ist es möglich, die oben dargestellten Temperaturverhältnisse sowie den Wasserdampfdruck in dem Vorratsbehälter 30 und/oder in der Befüllungskanüle 20 und/oder in dem Wärmepadröhrchen 10 selbst einzustellen. Auf diese Weise wird zuverlässig verhindert, dass es zu der ungewünschten, vorzeitigen Kristallisation kommt.In principle, it is possible to set the above-described temperature conditions as well as the water vapor pressure in the storage container 30 and / or in the filling cannula 20 and / or in the heat pad tube 10 itself. In this way, it is reliably prevented that it comes to the unwanted, premature crystallization.

Das Natriumacetat-Wärmepad gemäß dem hier dargestellten Ausführungsbeispiel ist nach seiner Befüllung sofort einsatzbereit. Aufgrund des oben dargestellten Befüllungsvorganges ist die weitere Verarbeitung der Wärmepads bzw. der Wärmepadröhrchen 10 unproblematisch und sie bzw. die damit versehenen rauchfreien Zigaretten können beispielsweise auch über einen längeren Zeitraum gelagert werden, ohne dass es zu einer ungewollten Kristallisation des Natriumacetats kommt.The sodium acetate heat pad according to the embodiment shown here is ready for use immediately after its filling. Due to the filling process shown above, the further processing of the heat pads and the heat pad 10 is not a problem and they or the provided smoke-free cigarettes can be stored, for example, over a longer period without causing unwanted crystallization of the sodium acetate.

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 (13)

  1. A method for the filling of a receiver of an independent heating unit for use in a smoke-free cigarette with a medium which is capable of crystallisation or has a component capable of crystallisation,
    characterised in that
    the medium is filled by a heated filling cannula from a storage container into the receiver of the independent heating unit, and the medium, the filling cannula and the receiver have a temperature of at least 50°C during the filling.
  2. A method in accordance with claim 1, characterised in that the medium, the filling cannula and the receiver have a temperature of at least 60°C during the filling.
  3. A method in accordance with claim 1 or claim 2, characterised in that the medium is a sodium acetate solution.
  4. A method in accordance with one of the preceding claims, characterised in that the medium is filled into a receiver which has an inner diameter in the range from 2 mm to 7 mm, preferably in the range from 3 mm to 6 mm, and particularly preferably of a maximum of 6 mm.
  5. A method in accordance with one of the preceding claims, characterised in that the medium is filled into a receiver which has a length in the range from 70 mm to 110 mm, preferably in the range from 80 mm to 100 mm, and particularly preferably of a maximum of 100 mm.
  6. A method in accordance with one of the preceding claims, characterised in that the medium contains hydrate or water; and that the storage and/or the filling procedure is carried out at a water vapour pressure which is above the desorption pressure of the water of the medium.
  7. A method in accordance with one of the preceding claims, characterised in that the medium is received in a storage container before its filling and is conveyed by means of a filling mechanism, preferably using a hydraulically working filling mechanism, from the storage container directly or indirectly into the receiver of the independent heating unit.
  8. An apparatus for the filling of a receiver of an independent heating unit for use in a smoke-free cigarette with a medium which is capable of crystallisation or has a component capable of crystallisation,
    characterised in that
    the apparatus has a storage container and/or supply means for supplying the medium into the receiver; and in that means are provided by means of which the medium located in the storage container and/or in the supply means is held at a temperature of at least 50°C.
  9. An apparatus in accordance with claim 8, characterised in that means are provided by means of which the medium located in the storage container and/or in the supply means is held at a temperature of at least 60°C.
  10. An apparatus in accordance with claim 8 or claim 9, characterised in that the supply means is a cannula which is dimensioned such that it can be introduced into the inner space of the receiver.
  11. An apparatus in accordance with one of the claims 8 to 10, characterised in that the storage container has a filling mechanism, preferably a hydraulically working filling mechanism.
  12. An apparatus in accordance with one of the claims 8 to 11, characterised in that the apparatus, in particular the supply means, is movable relative to the receiver.
  13. An apparatus in accordance with one of the claims 8 to 12, characterised in that the medium contains hydrate or water; and in that the apparatus has means by means of which the storage and/or the filling procedure is carried out at a water vapour pressure which is above the desorption pressure of the water of the medium.
EP09003622.9A 2008-06-27 2009-03-12 Method of filling a receptacle of an autarkic heat unit, smoke-free cigarette with an autarkic heat unit, and device for filling a receptacle of an autarkic heat unit Not-in-force EP2138059B1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
CA2712412A CA2712412C (en) 2008-06-27 2009-06-29 Smoke-free cigarette
AU2009262422A AU2009262422B2 (en) 2008-06-27 2009-06-29 Smoke-free cigarette
CN201510758301.5A CN107822204A (en) 2008-06-27 2009-06-29 Smokeless 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
CN2009801333080A CN102131411A (en) 2008-06-27 2009-06-29 Smoke-free cigarette
EP09769030.9A EP2303043B1 (en) 2008-06-27 2009-06-29 Smoke-free cigarette
US12/864,390 US9046278B2 (en) 2008-06-27 2009-06-29 Smoke-free cigarette
BRPI0913891-9A BRPI0913891B1 (en) 2008-06-27 2009-06-29 SMOKE-FREE CIGARETTE
EA201071208A EA019900B1 (en) 2008-06-27 2009-06-29 Smoke-free cigarette
JP2011515222A JP6016259B2 (en) 2008-06-27 2009-06-29 Smokeless 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
DE102008030548.0A DE102008030548B4 (en) 2008-06-27 2008-06-27 Smoke-free cigarette

Publications (2)

Publication Number Publication Date
EP2138059A1 EP2138059A1 (en) 2009-12-30
EP2138059B1 true EP2138059B1 (en) 2013-05-15

Family

ID=39941915

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08013799A Active EP2138058B1 (en) 2008-06-27 2008-07-31 Smoke-free cigarette
EP09003622.9A Not-in-force EP2138059B1 (en) 2008-06-27 2009-03-12 Method of filling a receptacle of an autarkic heat unit, smoke-free cigarette with an autarkic heat unit, and device for filling a receptacle of an autarkic heat unit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08013799A Active EP2138058B1 (en) 2008-06-27 2008-07-31 Smoke-free cigarette

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EP (2) EP2138058B1 (en)
AT (1) ATE481888T1 (en)
DE (2) DE102008030548B4 (en)
ES (1) ES2354491T3 (en)
PL (1) PL2138058T3 (en)
WO (1) WO2009155957A1 (en)

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GB201217067D0 (en) 2012-09-25 2012-11-07 British American Tobacco Co Heating smokable material
EP2954793B1 (en) * 2013-03-08 2023-09-13 Japan Tobacco Inc. Non-combustion-type flavor inhaler
BR112015019821B1 (en) 2013-03-15 2021-03-02 Philip Morris Products S.A AEROSOL GENERATOR DEVICE AND AEROS GENERATION SYSTEM
GB201311620D0 (en) 2013-06-28 2013-08-14 British American Tobacco Co Devices Comprising a Heat Source Material and Activation Chambers for the Same
GB201500582D0 (en) 2015-01-14 2015-02-25 British American Tobacco Co Apparatus for heating or cooling a material contained therein
US11924930B2 (en) 2015-08-31 2024-03-05 Nicoventures Trading Limited Article for use with apparatus for heating smokable material
US20170055584A1 (en) 2015-08-31 2017-03-02 British American Tobacco (Investments) Limited Article for use with apparatus for heating smokable material
US20170055575A1 (en) 2015-08-31 2017-03-02 British American Tobacco (Investments) Limited Material for use with apparatus for heating smokable material
US20170119046A1 (en) 2015-10-30 2017-05-04 British American Tobacco (Investments) Limited Apparatus for Heating Smokable Material
US20170119047A1 (en) 2015-10-30 2017-05-04 British American Tobacco (Investments) Limited Article for Use with Apparatus for Heating Smokable Material
MX2019005555A (en) 2016-11-18 2019-08-12 Philip Morris Products Sa Heating assembly, aerosol-generating device and a method for heating an aerosol-forming substrate.
RU184342U1 (en) * 2017-10-24 2018-10-22 Бритиш Америкэн Тобэкко (Инвестментс) Лимитед PRODUCT FOR USE IN THE DEVICE FOR HEATING SMOKING MATERIAL
DE102019126490A1 (en) * 2019-10-01 2021-04-01 Olig Ag Smokeless cigarette
CN111000290B (en) * 2019-11-29 2024-05-28 云南巴菰生物科技股份有限公司 Integrated smokeless smoking set

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Also Published As

Publication number Publication date
EP2138059A1 (en) 2009-12-30
WO2009155957A1 (en) 2009-12-30
DE102008030548B4 (en) 2019-07-04
EP2138058B1 (en) 2010-09-22
ES2354491T3 (en) 2011-03-15
DE502008001403D1 (en) 2010-11-04
PL2138058T3 (en) 2011-03-31
ATE481888T1 (en) 2010-10-15
EP2138058A1 (en) 2009-12-30
DE102008030548A1 (en) 2009-12-31

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