EP3373750B1 - Befeuchter - Google Patents

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Publication number
EP3373750B1
EP3373750B1 EP16800903.3A EP16800903A EP3373750B1 EP 3373750 B1 EP3373750 B1 EP 3373750B1 EP 16800903 A EP16800903 A EP 16800903A EP 3373750 B1 EP3373750 B1 EP 3373750B1
Authority
EP
European Patent Office
Prior art keywords
water
tobacco
evaporating
moisture
porous wrapper
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.)
Active
Application number
EP16800903.3A
Other languages
English (en)
French (fr)
Other versions
EP3373750A1 (de
Inventor
Alan Godden
Karen LOCKHART
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.)
JT International SA
Original Assignee
JT International SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JT International SA filed Critical JT International SA
Priority to PL16800903T priority Critical patent/PL3373750T3/pl
Publication of EP3373750A1 publication Critical patent/EP3373750A1/de
Application granted granted Critical
Publication of EP3373750B1 publication Critical patent/EP3373750B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00Preparing tobacco in the factory
    • A24B3/04Humidifying or drying tobacco bunches or cut tobacco

Definitions

  • the present invention relates to a humidifying device for increasing the moisture content of tobacco.
  • Moisture content is an important parameter of the chemical composition of tobacco.
  • the moisture content of tobacco may affect various properties of the material, including:
  • the moisture content of tobacco can be controlled and optimised using a humidifying device, which transfers water vapour to the tobacco material.
  • a humidifying device which transfers water vapour to the tobacco material.
  • Such humidifying devices are known in the art and are commercially available in the form of pads, for example from EssentraTM.
  • a first aspect of the invention provides a humidifying device for increasing the moisture content of tobacco, wherein the device comprises a porous wrapper arranged to form a pocket, wherein multiple water-evaporating pieces are located within said pocket, and wherein the porous wrapper allows for water retention within the pocket and fluid communication between the interior and exterior of the pocket.
  • a second aspect of the invention provides a pouch comprising tobacco and a humidifying device according to the first aspect of the invention wherein, in use, the humidifying device increases the moisture content of the tobacco.
  • the first aspect of the present invention provides a humidifying device for increasing the moisture content of tobacco.
  • the device is suitable for increasing the moisture content of low- and mid-moisture tobacco blends, such as blends used in Roll Your Own (RYO) and Make Your Own (MYO) tobacco products.
  • the aim of the device of the present invention is to achieve increases in tobacco moisture of 2-3 wt%.
  • Additive-free tobacco blends are produced at low moisture levels because producing these blends at normal RYO moisture (-18%) increases the propensity for mould. Allowing the customer to increase moisture after purchase reduces the potential for mould and provides a smoother smoke taste.
  • the humidifying device comprises a porous wrapper arranged to form a pocket and multiple water-evaporating pieces are located within the pocket.
  • the porous wrapper allows water to be retained within the pocket and also allows fluid communication between the interior and exterior of the pocket, such that water, or water vapour, can be transmitted to the environment outside the pocket which, when the device is in use, is where the tobacco is located.
  • Water can be applied directly to the water-evaporating pieces or water can be applied to the water-evaporating pieces indirectly, via the porous wrapper. Both the water-evaporating pieces and the porous wrapper are re-fillable with water (i.e. the device can be 'topped-up' with water as often as required).
  • the term 'porous wrapper' refers to a porous material that forms a pocket that surrounds the water-evaporating pieces.
  • the wrapper may be sealable or re-sealable.
  • the porous wrapper adsorbs and evaporates water.
  • the porous wrapper has a water capacity of at least 0.10 gsm, preferably at least 0.16 gsm.
  • water capacity' refers to the range or amount of water that can be stored in the porous wrapper and can be emitted via the process of evaporation.
  • the porous wrapper may be made from any suitable material, including, but not limited to, viscose, cellulosic fibres, polylactic acid fibres and/or thermoplastic fibres. In a preferred embodiment, the porous wrapper may be made from viscose.
  • the pocket has dimensions of approximately 40mm x 20mm.
  • the term 'water-evaporating piece' refers to a material that is capable of absorbing water and from which water can be emitted by evaporation.
  • the terms 'piece' and 'granule' are used interchangeably herein.
  • the water-evaporating piece preferably has a water capacity of at least 0.25 gsm, and more preferably at least 0.32 gsm.
  • the term 'water capacity' refers to the range or amount of water that can be stored in the water-evaporating piece and can be emitted via the process of evaporation.
  • the water release rate of the device changes over time.
  • the device of the invention has a water release rate of around 0.2gms over a period of 4 hours.
  • a water release rate of around 0.2gms over a period of 4 hours.
  • around 40-45% of the moisture is released from the device during the first hour.
  • the water release rate of the device can be determined by weighing the device at time intervals.
  • the water-evaporating piece can be made from any suitable material meeting the above mentioned requirements, such as natural and/or synthetic materials, comprising (but not exclusively) a polymer, in particular polyolefin, preferably polyethylene or polypropylene, a cellulosic material or a combination thereof.
  • the water-evaporating piece may, for example, comprise polyethylene terephthalate (PET) and/or polylactic acid (PLA).
  • PET polyethylene terephthalate
  • PLA polylactic acid
  • the water-evaporating piece may comprise cellulose and/or paper and/or cotton.
  • the water-evaporating piece may be porous.
  • the water-evaporating piece may be sponge material.
  • the water-evaporating piece may be continuous.
  • the pocket contains at least 10 water-evaporating pieces, and preferably at least 20 water-evaporating pieces.
  • the water-evaporating piece can be any suitable size or shape. In a preferred embodiment the water-evaporating piece has a uniform shape. Preferably, the water-evaporating piece has dimensions of approximately 2mm x 5mm, more preferably the water-evaporating piece has dimensions of 2.01mm diameter x 5.17mm length.
  • the second aspect of the invention provides a pouch comprising tobacco and a humidifying device according to the first aspect, as defined above.
  • the humidifying device increases the moisture content of the tobacco.
  • the pouch may be a paper insert pouch or any form of laminate pouch.
  • materials used to produce laminate tobacco pouches include oriented polypropylene/polyethylene (OPP/PE) laminate plastic, nylon 11, high-density polyethylene (HDPE), polypropylene (PP), low-density polyethylene (LDPE) and polyethylene terephthalate (PET).
  • OPP/PE oriented polypropylene/polyethylene
  • HDPE high-density polyethylene
  • PP polypropylene
  • LDPE low-density polyethylene
  • PET polyethylene terephthalate
  • the skilled person will be aware that such pouches are routinely used in the packaging of Roll Your Own (RYO) and Make Your Own (MYO) tobacco products.
  • moisture content refers to the amount of moisture (i.e. water) present in a given material.
  • references to the moisture content may relate to the tobacco material or to the water-evaporating pieces.
  • Values for moisture content are wt% values. For the avoidance of doubt, these wt% values are based on the total weight of the relevant component only. For example, if it is stated that the tobacco has a moisture content of 19.6wt%, this is based on the total weight of the tobacco component only.
  • the pouch of the invention when the pouch of the invention is in use, at least 55% of the water content of the humidifying device is transferred to the tobacco over a period of one hour.
  • the moisture content of the tobacco is increased by 1.2 wt% to 1.4 wt% over a period of 24 hours.
  • the term 'tobacco' includes all forms of tobacco, including leaf, STEM, expanded tobacco blend and reconstituted tobacco blend.
  • the tobacco is suitable for use in Roll Your Own (RYO) and Make Your Own (MYO) tobacco products.
  • the device of the present invention is particularly suitable for increasing the moisture content of low-moisture or mid-moisture tobacco blends.
  • the water-evaporating pieces used in this experiment are granules prepared by shredding EssentraTM pads.
  • EssentraTM pads are commercially available from http://www.essentra.com.
  • the objective of the experiment was to determine the increase in tobacco moisture when water is applied to devices containing (i) 20 Essentra granules and (ii) 10 Essentra granules, compared with (iii) an equivalent weight of unshredded pad.
  • the quantity of material in (i) and (ii) is based on the weight of 25% and 12.5% of the shredded EssentraTM moisture pad, respectively.
  • the tobacco used for this experimental work was a low-moisture additive-free blend with an average starting moisture of 15.7wt%.
  • test period was four days and the results are shown in Figures 1-4 .
  • the rate of water transfer from granular devices according to the invention into pouched tobacco was quicker than from a 25% pad device (Device 3).

Landscapes

  • Manufacture Of Tobacco Products (AREA)

Claims (14)

  1. Befeuchter zum Erhöhen des Feuchtigkeitsgehalts von Tabak, wobei die Vorrichtung eine poröse Umhüllung umfasst, die eingerichtet ist, eine Tasche zu formen, wobei sich multiple Wasser verdampfende Stücke innerhalb der Tasche befinden, und wobei die poröse Umhüllung Wasserrückhalt innerhalb der Tasche und Flüssigkeitskommunikation zwischen der Innenseite und der Außenseite der Tasche berücksichtigt, dadurch gekennzeichnet, dass die poröse Umhüllung derartig eingerichtet ist, dass sich Wasser direkt auf die Wasser verdampfenden Stücke oder indirekt durch die poröse Umhüllung anwenden lässt, wobei die poröse Umhüllung eine Wasserkapazität von zumindest 0,10 g/m2 derartig aufweist, dass die poröse Umhüllung Wasser absorbiert und verdampft und mit Wasser auffüllbar ist, und Wasser oder Wasserdampf auf die Umgebung außerhalb der Tasche übertragen werden kann, wobei sich die Wasserkapazität auf die Wassermenge bezieht, die sich in der porösen Umhüllung speichern lässt und über den Verdampfungsprozess emittiert werden kann.
  2. Vorrichtung nach Anspruch 1, wobei die Wasser verdampfenden Stücke mit Wasser auffüllbar sind.
  3. Vorrichtung nach Anspruch 2, wobei die Wasser verdampfenden Stücke durch die poröse Umhüllung auffüllbar sind.
  4. Vorrichtung nach irgendeinem vorhergehenden Anspruch, wobei die poröse Umhüllung eine Wasserkapazität von zumindest 0,16 g/m2 aufweist.
  5. Vorrichtung nach irgendeinem vorhergehenden Anspruch, wobei die poröse Umhüllung aus irgendeinem der folgenden Materialien hergestellt ist: Viskose, Zellulosefasern, Polymilchsäurefasern und/oder thermoplastischen Fasern.
  6. Vorrichtung nach irgendeinem vorhergehenden Anspruch, wobei das Wasser verdampfende Stück eine Wasserkapazität von zumindest 0,25 g/m2, vorzugsweise von zumindest 0,32 g/m2 aufweist.
  7. Vorrichtung nach irgendeinem vorhergehenden Anspruch, wobei die Vorrichtung eine Wasserfreisetzungsrate von ca. 0,2 g/m2 über einen Zeitraum von 4 Stunden aufweist.
  8. Vorrichtung nach irgendeinem vorhergehenden Anspruch, wobei das Wasser verdampfende Stück ein Körnchen ist.
  9. Vorrichtung nach irgendeinem vorhergehenden Anspruch, wobei das Wasser verdampfende Stück aus einem natürlichen und/oder synthetischen Polymer, einem natürlichen und/oder synthetischen Zellulosematerial oder einer Kombination davon hergestellt ist.
  10. Vorrichtung nach irgendeinem vorhergehenden Anspruch, wobei die Tasche zumindest 10 Wasser verdampfende Stücke und vorzugsweise zumindest 20 Wasser verdampfende Stücke enthält.
  11. Beutel, der Tabak und einen Befeuchter nach einem der Ansprüche 1 bis 9 umfasst, wobei der Befeuchter, im Gebrauch, den Feuchtigkeitsgehalt des Tabaks erhöht.
  12. Beutel nach Anspruch 11, wobei zumindest 55% des Wassergehalts der Vorrichtung über einen Zeitraum von einer Stunde auf den Tabak übertragen wird.
  13. Beutel nach Ansprüchen 11 oder 12, wobei der Feuchtigkeitsgehalt des Tabaks um 1,2% bis 1,4% über einen Zeitraum von 24 Stunden erhöht wird.
  14. Beutel nach irgendeinem der Ansprüche 11 bis 13, wobei der Tabak eine Mischung mit niedriger oder mittlerer Feuchtigkeit ist.
EP16800903.3A 2015-11-12 2016-11-11 Befeuchter Active EP3373750B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16800903T PL3373750T3 (pl) 2015-11-12 2016-11-11 Urządzenie nawilżające

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15194254 2015-11-12
PCT/EP2016/077458 WO2017081267A1 (en) 2015-11-12 2016-11-11 Humidifying device

Publications (2)

Publication Number Publication Date
EP3373750A1 EP3373750A1 (de) 2018-09-19
EP3373750B1 true EP3373750B1 (de) 2020-07-29

Family

ID=54542050

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16800903.3A Active EP3373750B1 (de) 2015-11-12 2016-11-11 Befeuchter

Country Status (4)

Country Link
EP (1) EP3373750B1 (de)
ES (1) ES2818188T3 (de)
PL (1) PL3373750T3 (de)
WO (1) WO2017081267A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112273696B (zh) * 2020-10-30 2022-04-01 红云红河烟草(集团)有限责任公司 切丝后水分控制方法、装置以及设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2625161C2 (de) * 1976-06-04 1984-11-08 Wilh. Quester Maschinenfabrik GmbH, 5000 Köln Verfahren und Regelungseinrichtung zur Regelung des Feuchtegehalts von Tabak
JPS6024171A (ja) * 1983-07-21 1985-02-06 日本たばこ産業株式会社 たばこの調湿機における水分および温度の制御装置
BG45415A1 (en) * 1986-03-17 1989-06-15 Tjutjunev Kom Rodopi Method and installation for freafing of unferment tobacco
GB0710773D0 (en) * 2007-06-05 2007-07-18 British American Tobacco Co Humidifying capsule for use with tobacco products
GB0710776D0 (en) * 2007-06-05 2007-07-18 British American Tobacco Co Heatable humidifying device for use with tobacco products

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3373750A1 (de) 2018-09-19
WO2017081267A1 (en) 2017-05-18
PL3373750T3 (pl) 2020-12-28
ES2818188T3 (es) 2021-04-09

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