Classifications

• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D1/00—Cigars; Cigarettes
  • A24D1/20—Cigarettes specially adapted for simulated smoking devices
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
  • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
  • A24C5/01—Making cigarettes for simulated smoking devices
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
  • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
  • A24C5/14—Machines of the continuous-rod type
  • A24C5/18—Forming the rod
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
  • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
  • A24C5/14—Machines of the continuous-rod type
  • A24C5/28—Cutting-off the tobacco rod
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D1/00—Cigars; Cigarettes
  • A24D1/02—Cigars; Cigarettes with special covers
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
  • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
  • A24F40/30—Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges

Definitions

• the present disclosure relates to a flavor stick, a heat-not-burn flavor inhalation product, and a method for producing a flavor rod.
• a flavor stick that are used in non-non-combustion type flavor inhalers for inhaling a flavor derived from a flavor source without combustion are known.
• a flavor stick comprises a flavor rod formed by filling the inside of rolling paper with a filling material that includes a flavor source (e.g., tobacco material) and an aerosol generating substrate (glycerine, propylene glycol, etc.), and a mouthpiece portion disposed downstream of the flavor rod (see PTL1, for example).
• a flavor source e.g., tobacco material
• an aerosol generating substrate glycol, etc.
• This type of flavor stick is used in conjunction with a flavor inhalation device for inhalation.
• the flavor rod of the flavor stick is inserted into a heating chamber of the flavor inhalation device, and the flavor source of the flavor rod is heated by a heater of the non-combustion type flavor inhaler without associated combustion.
• Such non-combustion heating causes an aerosol containing a flavor component to be released from the flavor source, and the aerosol is inhaled by the user through the downstream mouthpiece portion.
• an internal heating technique in which an internal heater is inserted from the front end side of the flavor rod when the flavor rod is inserted into the heating chamber, and the flavor source is heated from the inside by the internal heater.
• Various shapes of internal heaters for use in the internal heating technique such as rod-shaped and blade-shaped heaters, have been put to practical use.
• the objective of the present disclosure is to provide a flavor stick that is inhaled using a flavor inhalation device employing an internal heating technique, and that is provided with a new flavor rod including a plurality of flavor sources.
• a flavor stick according to the present disclosure for solving the above problems is a flavor stick provided with a flavor rod that is inserted into a heating chamber of a flavor inhalation device and that is heated by means of an internal heater of the flavor inhalation device, wherein: the flavor rod comprises an outer rolling paper and a plurality of flavor compacts disposed inside the outer rolling paper and formed into a predetermined shape; and each of the plurality of flavor compacts is positioned and held on an inner surface of the outer rolling paper, and a heater insertion hole for inserting the internal heater from a front end side of the flavor rod is formed along the axial direction in a central portion of a transverse cross section of the flavor rod.
• the flavor compacts according to aspect 1 may extend along the axial direction of the flavor rod.
• the plurality of flavor accommodating regions may be partitioned from one another by the partitioning paper being partially bonded to the inner surface of the outer rolling paper.
• a production method for producing the flavor rod described hereinabove using a wrapping machine comprises: a wrapping step for placing a plurality of elongate flavor compact starting material sheets parallel to one another on an upper surface of an elongate outer rolling paper starting material sheet, and, in a state in which the flavor compact starting material sheets are each positioned on the upper surface of the outer rolling paper starting material sheet, wrapping the outer rolling paper starting material sheet into a cylindrical shape while conveying the same along a conveying path of the wrapping machine to form an elongate flavor rod; and a cutting step for cutting the elongate flavor rod to a predetermined length.
• the present disclosure makes it possible to provide a flavor stick that is inhaled using a flavor inhalation device employing an internal heating technique, and that is provided with a new flavor rod including a plurality of flavor sources.
• Fig. 1 is a schematic configuration diagram of a flavor inhalation device 30 for heating a flavor stick according to embodiment 1 without combustion.
• Fig. 2 is a drawing illustrating the schematic structure of a flavor stick 1 according to embodiment 1.
• the flavor inhalation device 30 is an inhalation device used for inhaling the flavor stick 1, and the flavor stick 1 and the flavor inhalation device 30 constitute a non-combustion type flavor inhalation product.
• the internal heater 32 may have a tapered truncated cone shape that gradually contracts diametrically from the proximal end side located on the chamber bottom wall 31C side toward the distal end side located on the insertion opening 31A side.
• the internal heater 32 may also have a shape other than a conical or truncated cone shape, for example a cylindrical shape, or may have a blade shape or another shape.
• the flavor inhalation device 30 further comprises, for example, a power source unit 33, which is a power source portion for supplying operating power to the internal heater 32, and a control portion 34 for controlling the supply of power from the power source unit 33 to the internal heater 32.
• a power source unit 33 which is a power source portion for supplying operating power to the internal heater 32
• a control portion 34 for controlling the supply of power from the power source unit 33 to the internal heater 32.
• one end of an air flow passage 36 communicates with the chamber bottom wall 31C of the flavor inhalation device 30.
• the other end of the air flow passage 35 communicates with an air intake port 37 formed in a housing of the flavor inhalation device 30. It should be noted that the manner in which outside air is taken into the heating chamber 31 of the flavor inhalation device 30 is not limited to the above example.
• the flavor compact 22 is a compact that includes a flavor source and that is shaped into a predetermined shape.
• the flavor compacts 22 shown in fig. 3 are obtained by folding a flavor source shaped into a sheet form into a spiral shape, but there is no particular restriction to the form of the flavor compacts 22.
• three flavor compacts 22 are disposed inside the outer rolling paper 21 of the flavor rod 2, but the number of flavor compacts 22 is not particularly limited provided that there are a plurality of flavor compacts 22.
• Each flavor compact 22 is bonded to the inner surface 21A of the outer rolling paper 21 using a compact adhesive glue BD, thereby being positioned and held on the inner surface of the outer rolling paper 21.
• the compact adhesive glue BD may extend from the front end 1b to the rear end of the flavor rod 2A. Furthermore, the spirally folded flavor compacts 22 extend along the central axial CL direction (axial direction) of the flavor rod 2. It should be noted that, as a modified example of the arrangement of the flavor compacts 22, the number of flavor compacts 22 may be switched between the front end side and the rear end side of the flavor rod 2.
• the flavor compacts 22 may, for example, be configured to include tobacco shreds as the flavor source.
• tobacco shreds there is no particular limitation as to the material of the tobacco shreds, and well-known materials such as lamina and midrib may be used.
• ground tobacco may be formed by grinding dried tobacco leaves, then homogenized and processed into a sheet (also referred to below simply as a "homogenized sheet") which is shredded.
• well-known methods can be adopted as the method for manufacturing the homogenized sheet, such as papermaking methods, slurry methods, and rolling methods.
• various types of tobacco may be used as the tobacco included in the flavor compacts 22.
• Examples that may be cited include yellow, Burley, orient, or native type, and other Nicotiana tabacum and Nicotiana rustic a varieties, and mixtures thereof.
• the flavor sources exemplified above can, for example, be processed into a sheet form to form the flavor compacts 22.
• uncut tobacco leaves may also be used as the material for forming the flavor compacts 22.
• the flavor compacts 22 may also include a fragrance as the flavoring source.
• the type of fragrance is not particularly limited. Examples of fragrances that can be cited include, for example, acetanisole, acetophenone, acetylpyrazine, 2-acetylthiazole, alfalfa extract, amyl alcohol, amyl butyrate, trans-anethole, star anise oil; apple juice, Peruvian balsam oil, beeswax absolute, benzaldehyde, benzoin resinoid, benzyl alcohol, benzyl benzoate, benzyl phenylacetate, benzyl propionate, 2, 3-butanedione, 2-butanol, butyl butyrate, butyric acid, caramel, cardamom oil, carob absolute, ⁇ -carotene, carrot juice, L-carvone, ⁇ -caryophyllene, cassia bark oil, cedarwood oil, celery seed oil,
• the flavor compacts 22 can be obtained by shaping the raw materials exemplified above using known shaping techniques.
• the flavor compacts 22 may be any of a paper sheet, a cast sheet, or a rolled sheet formed by the papermaking methods, slurry methods, or rolling methods, etc., discussed hereinabove.
• the mouthpiece portion 3 includes, from the front end side, a supporting portion 4, a cooling portion 5 and a filter portion 6.
• the supporting portion 4, the cooling portion 5 and the filter portion 6 of the mouthpiece portion 3 are arranged in coaxial alignment and are wrapped integrally using rolling paper 7.
• the flavor stick 1 is then formed by wrapping the flavor rod 2 and the mouthpiece portion 3 integrally using tipping paper 8.
• the tipping paper 8 is wrapped integrally around the rear end side of the flavor rod 2 and the entire mouthpiece portion 3.
• the flavor stick 1 may be configured such that the flavor rod 2, the supporting portion 4, the cooling portion 5 and the filter portion 6 are wrapped integrally using the tipping paper 8, without interposing the rolling paper 7.
• the configuration of the mouthpiece portion 3 discussed hereinabove is one example and some of the components may not be included.
• the reference sign 42 denotes a supporting surface located on the front end side of the supporting portion 4.
• the supporting surface 42 is arranged on the outer peripheral side of the mouthpiece portion 3 in a transverse cross section, and, for example, comes into contact with the rear end of each flavor compact 22 in the flavor rod 2. It should be noted that a portion of each flavor compact 22 is arranged so as to face the aerosol flow passage 41 of the supporting portion 4. This allows the aerosol generated by each flavor compact 22 to be efficiently introduced into the aerosol flow passage 41 of the supporting portion 4 during inhalation of the flavor stick 1.
• the supporting portion 4 can be made of various materials.
• the supporting portion 4 may, for example, be a hollow cellulose acetate tube.
• the supporting portion 4 may be a columnar cellulose acetate fiber bundle having a center hole formed penetrating through the center, in a transverse cross section.
• the material of the supporting portion 4 is not particularly restricted.
• the supporting portion 4 also functions as a spacer for separating the cooling portion 5 from the flavor rod 2.
• a cooling-promoting material such as a polylactic acid sheet may be disposed within the paper tube forming the cooling portion 5 such that the cooling-promoting material promotes cooling of the volatile substances released from the flavor rod 2 (flavor compacts 22).
• the cooling portion 5 may also include a heat absorbing agent disposed so as not to interfere with the flow of volatile substances and the aerosol.
• the cooling portion 5 may include a filter material in which multiple flow passages (through-holes) are formed along the longitudinal direction (axial direction) of the mouthpiece portion 3.
• the cooling portion 5 may also be a cellulose acetate tube in which a hollow through passage is formed in the axial direction.
• the filter portion 6 is a segment located at the rear end of the mouthpiece portion 3, that is, on a mouthpiece end 1a side.
• the filter portion 6 may be located immediately downstream of the cooling portion 5 and disposed in contact with the rear end of the cooling portion 5.
• the filter portion 6 may, for example, include a filter material that collects predetermined components contained in the aerosol.
• the type of filter material forming the filter portion 6 is not particularly limited.
• the filter portion 6 may comprise a filter material formed of shaped cellulose acetate fibers formed into a columnar shape.
• the filter portion 6 may also be a center hole filter in which a center hole is formed along the axial direction of cellulose acetate fibers formed into a columnar shape.
• the filter portion 6 may also be a paper filter filled with cellulose fibers, or may be a paper tube not containing a filter medium.
• the filter portion 6 may also be formed by selectively combining a solid filter material including a filter medium, a center hole filter, a paper filter, and a paper tube not containing a filter medium.
• the internal heater 32 can be inserted smoothly into the heater insertion hole 23 when the flavor stick 1 (flavor rod 2) is inserted into the heating chamber 31. That is, the fitting resistance when fitting the internal heater 32 into the flavor rod 2 can be reduced. As a result, usability when fitting the flavor rod 2 into the heating chamber 31 can be improved. Furthermore, when inserting the internal heater 32 into the flavor rod 2, damage such as bending or folding of the internal heater 32 and buckling deformation of the flavor rod 2 can be suppressed.
• the heater insertion hole 23 for inserting the internal heater 32 in the flavor rod 2 it is possible to make it less likely that the internal heater 32 will come into direct contact with the flavor compacts 22 when the internal heater 32 is inserted into the heater insertion hole 23. This makes it possible to prevent the flavor source contained in the flavor compacts 22 from adhering to the internal heater 32.
• the specification of the heater insertion hole 23 in the flavor rod 2 may be such that the heater insertion hole 23 expands when the internal heater 32 is inserted.
• the internal heater 32 is operated by supplying operating power from the power source unit 33 to the internal heater 32 on the basis of a command signal from the control portion 34 of the flavor inhalation device 30.
• the control unit 34 may trigger the operation of the internal heater 32 upon accepting a start operation of an operation switch or the like disposed in the housing of the flavor inhalation device 30.
• the flavor inhalation device 30 may include a sensor for sensing that the flavor stick 1 (flavor rod 2) has been inserted into the heating chamber 31.
• the control unit 34 may trigger the operation of the internal heater 32 upon sensing that the flavor stick 1 (flavor rod 2) has been inserted into the heating chamber 31.
• control unit 34 may be provided with a temperature sensor that senses the temperature within the heating chamber 31 or the temperature of the flavor rod 2, and may adjust the amount of current supplied from the power source unit 33 to the internal heater 32 on the basis of the temperature detected by the temperature sensor.
• the internal heater 32 of the flavor inhalation device 30 is operated to heat each flavor compact 22 of the flavor rod 2, thereby releasing an aerosol containing the flavor component (e.g. a tobacco component).
• the aerosol containing the flavor component generated by the flavor rod 2 then passes sequentially through the mouthpiece portion 3, the supporting portion 4 (the aerosol flow passage 41), the cooling portion 5, and the filter portion 5, and is finally inhaled by the user from the mouthpiece end 1a.
• the flavor stick 1 employs a novel form that is distinct from conventional forms in that a plurality of flavor compacts 22 are positioned and held on the inner surface 21A of the outer rolling paper 21 of the flavor rod 2. That is, the flavor compacts 22 provided in the flavor rod 2 of the present embodiment are compacts that are formed into a predetermined shape, unlike a conventional, typical rod form in which rolling paper is filled with a powdered, granulated or shredded flavor source. Then, the heater insertion hole 23 is formed along the axial direction in a central portion of the transverse cross section of the flavor rod 2. With this form, the flavor source does not break down and fall from the front end side of the flavor rod, unlike with a conventional form.
• the flavor compacts 22 in the present embodiment extend along the axial direction of the flavor rod 2. Therefore, the aerosol containing the flavor components released from the flavor compacts 22 as a result of heating by the heater of the flavor inhalation device 30 can be made to flow smoothly along the axial direction of the flavor rod 2.
• each of the plurality of flavor compacts 22 is bonded to the inner surface 21A of the outer rolling paper 21, allowing each flavor compact 22 to be more firmly positioned and held relative to the inner surface 21A of the outer rolling paper 21.
• the type of flavor source may differ between at least one of the flavor compacts 22 and the other flavor compacts 22, among the plurality of flavor compacts 22. This increases the degree of freedom in designing the smoking flavor of the flavor rod 2, making it easier to achieve a rich smoking flavor. It should be noted that if the type of flavor source differs between the flavor compacts 22 of the flavor rod 2 as described above, the compounding amounts of the flavor sources may be changed in accordance with the type. However, the above aspect is one example, and the flavor sources of each flavor compact 22 contained in the flavor rod 2 may be of the same type. Furthermore, the flavor inhalation device 30 of the present embodiment may include a plurality of internal heaters 32 that are inserted into heater insertion holes 23 in the flavor rod 2.
• the flavor inhalation device 30 may include a number of internal heaters 32 corresponding to the number of flavor compacts 22 contained in the flavor rod 2, and the plurality of flavor compacts 22 may be heated individually and independently at arbitrarily defined timings.
• a single internal heater 32 may have a plurality of heating regions each controlled to generate heat independently, and the flavor compacts 22 may be heated individually and independently by the respective heating regions at arbitrarily defined timings.
• the surface of the internal heater 32 may be divided into a plurality of heating regions along the circumferential direction and/or the longitudinal direction of the internal heater 32.
• the ratio of the transverse cross-sectional area of the heater insertion hole 23 to the transverse cross-sectional area of the flavor rod 2 is not particularly limited, one example that can be cited is a mode in which a ratio of 2% or more is secured, a ratio of 5% or more being preferable. This allows the internal heater 32 to be inserted more smoothly into to the heater insertion hole 23. Furthermore, this also makes it possible to more effectively prevent the internal heater 32 from being pushed into the flavor compacts 22 when the internal heater 32 is inserted, and to prevent an increase in the frictional resistance during insertion.
• a rolling paper having a low heat transfer performance is preferably used as the outer rolling paper 21 of the flavor rod 2, from the viewpoint of suppressing escape of heat from the heating chamber 31 to the outside.
• a material having a low basis weight and a low density is preferably used for the outer rolling paper 21.
• the basis weight of the outer rolling paper 21 is 10 gsm or more and 40 gsm or less
• the density of the outer rolling paper 21 is 0.5 g/cm 3 or more and 1 g/cm 3 or less.
• the outer rolling paper 21 may be coated with a coating agent such as calcium carbonate, silicon dioxide, or the like, to reduce heat transfer.
• the specifications of the outer rolling paper 21 described above are only examples and are not limited thereto.
• the method for producing the flavor rod 2 includes a wrapping step and a cutting step.
• the wrapping step is a step for placing a plurality of elongate flavor compacts parallel to one another on an upper surface of an elongate outer rolling paper, and, in a state in which the elongate flavor compacts are each positioned on the upper surface of the elongate outer rolling paper, wrapping the elongate outer rolling paper into a cylindrical shape while conveying the same along a conveying path of a wrapping machine to form an elongate flavor rod.
• the cutting step is the step for cutting the elongate flavor rod to a predetermined length.
• Fig. 5 and fig. 6 are drawings illustrating a method for producing the flavor rod 2 according to embodiment 1.
• various starting materials of the flavor rod 22 are conveyed along the conveying direction indicated by the arrow.
• the various starting materials of the flavor rod 2 are conveyed along a conveying path on a conveyor such as a garniture belt of the wrapping machine.
• Fig. 5 is a schematic top view diagram the process for producing the flavor rod 2.
• Fig. 6 is a schematic side view illustrating the process for producing the flavor rod 2.
• a plurality of elongate flavor compact starting material sheets R22 are caused to merge with an elongate outer rolling paper starting material sheet R21 that is being conveyed on the conveyor, and the flavor compact starting material sheets R22 are placed parallel to one another on an upper surface R211 of the outer rolling paper starting material sheet R21.
• the outer rolling paper starting material sheet R21 is an elongate strip-shaped paper sheet for forming the outer rolling paper 21.
• the flavor compact starting material sheets R22 are elongate strip-shaped starting material sheets for forming the flavor compacts 22, and are folded (rolled up) into a spiral shape in a similar manner to the flavor compacts 22 described in fig. 3 .
• Fig. 5 shows an example in which three flavor compact starting material sheets R22 are supplied onto the upper surface R211 of the outer rolling paper starting material sheet R21.
• the three flavor compact starting material sheets R22 are distinguished from one another by adding the reference signs R22-1 to R22-3. However, when it is not necessary to distinguish between the flavor compact starting material sheets R22-1 to R22-3, they may simply be referred to as flavor compact starting material sheets R22.
• a plurality of flavor compact starting material sheets R22 are placed parallel to one another, spaced apart in the width direction of the outer rolling paper starting material sheet R21, and each flavor compact starting material sheet R22 is bonded to the upper surface R211 of the outer rolling paper starting material sheet R21.
• adhesive glue for bonding each flavor compact starting material sheet R22 to the upper surface R211 of the outer rolling paper starting material sheet R21 is applied onto the upper surface R211 by means of a glue applying device 70, shown in fig. 6 .
• reference sign B1 in fig. 6 demotes a rotatable bobbin around which the outer rolling paper material sheet R21 has been wound.
• the outer rolling paper starting material sheet R21 is fed out sequentially from the bobbin B1.
• the width direction of the various sheet materials serving as the starting materials of the flavor rod 2 refers to a direction perpendicular to the longitudinal direction thereof.
• each flavor compact starting material sheet R22 supplied onto the outer rolling paper starting material sheet R21 is not particularly limited, but an example will be described with reference to fig. 7 .
• sheet material R22' fed out from the rotatable bobbin B2 is successively folded (rolled up) by means of a guide, not shown in the drawing, while being conveyed by means of a conveyor, etc., to form the spirally folded flavor compact starting material sheet R22.
• P1 to P3 in the drawing illustrate positions at which the sheet material R22' is folded.
• the sheet material R22' is folded in three stages at the folding positions P1 to P3, this folding aspect is one example.
• the left end of fig. 7 schematically shows the transverse cross-sectional shape of the flavor compact starting material sheet R22 in a spirally folded state.
• Reference sign S1 in fig. 6 denotes a merging portion where the plurality of flavor compact starting material sheets R22 are supplied so as to merge onto the outer rolling paper starting material sheet R21 being conveyed along the conveying path.
• the glue applying device for applying adhesive glue to the upper surface R211 of the outer rolling paper starting material sheet R21 is disposed between the bobbin B1 and the merging portion S1.
• the glue applying device 70 continuously applies adhesive glue in a rail-like (straight line) manner along the longitudinal direction of the upper surface R211, onto the upper surface R211 of the outer rolling paper starting material sheet R21 that is being fed out from the bobbin B1.
• Fig, 8 is a diagram illustrating, by way of example, an application pattern of the adhesive glue applied to the upper surface R11 of the outer rolling paper starting material sheet R21 by the glue applying device 70 according to embodiment 1.
• Fig. 8 shows the transverse cross section of the outer rolling paper starting material sheet R21 to which the adhesive glue has been applied by the glue applying device 70.
• the transverse cross section as referred to here is a cross section perpendicular to the sheet longitudinal direction.
• Reference signs BD1 to BD3 in fig. 8 denote the compact adhesive glue used to bond each flavor compact starting material sheet R22 to the upper surface R211 of the outer rolling paper starting material sheet R21.
• Reference sign BD0 denotes wrapping adhesive glue used to bond a first end E1 in the width direction of the outer rolling paper starting material sheet R21 to a second end E2 thereof on the other end side when wrapping the outer rolling paper starting material sheet R21 into a cylindrical shape.
• the wrapping adhesive glue BD0 and the compact adhesive glue BD1 to BD3 are arranged from the first end E1 side, spaced apart from one another. It should be noted that the wrapping adhesive glue BD0 is disposed in the vicinity of the first end E1. Also, when it is not necessary to distinguish between the compact adhesive glue BD1 to BD3, they may simply be referred to as compact adhesive glue BD.
• the glue applying device 70 may have nozzles for individually discharging the wrapping adhesive glue BD0 and the compact adhesive glue BD1 to BD3 onto the upper surface R211 of the outer rolling paper starting material sheet R21.
• the compact adhesive glue BD1 to BD3 is applied at intervals in the width direction of the outer rolling paper starting material sheet R21 such that each flavor compact starting material sheet R22-1 to R22-3 (R22) is positioned at a planned merging position for merging with the outer rolling paper starting material sheet R21 at the merging portion S1.
• each flavor compact starting material sheet R22-1 to R22-3 (R22) merging with the outer rolling paper starting material sheet R21 is placed on the compact adhesive glue BD1 to BD3, and is thereby bonded to the upper surface R211 of the outer rolling paper starting material sheet R21.
• the same are conveyed integrally toward a shaping portion S2 (see fig. 6 ) on the downstream side in the conveying direction.
• the outer rolling paper starting material sheet R21 with the flavor compact starting material sheets R22 bonded to the upper surface R211 thereof is wrapped into a cylindrical shape at the shaping portion S2 while being conveyed along the conveying path, to form the elongate flavor rod R2.
• Fig. 9 is a diagram illustrating the state immediately before the outer rolling paper starting material sheet R21 is wrapped into a cylindrical shape in the wrapping step.
• Fig. 9 shows the transverse cross section of the outer rolling paper starting material sheet R21 and the flavor compact starting material sheets R22.
• the outer rolling paper starting material sheet R21 is wrapped in the direction of the arrows B in fig. 9 .
• the shaping portion S2 is provided with a guide member, which is not shown in the drawing, and by passing the outer rolling paper starting material sheet R21 with the flavor compact starting material sheets R22 positioned on the upper surface R211 thereof through the guide member installed in the shaping portion S2, the outer rolling paper starting material sheet R21 is wrapped into a cylindrical shape in such a way that the flavor compact starting material sheets R22 are disposed on the inner surface side of the cylinder.
• the first end E1 of the outer rolling paper starting material sheet R21 to which the wrapping adhesive glue BD0 has been applied is overlaid on the second end E2, thereby bonding the width direction ends of the outer rolling paper starting material sheet R21 to one other, and as a result yielding the elongate flavor rod R2 having a cylindrical transverse cross section.
• the upper surface R211 of the outer rolling paper starting material sheet R21 ultimately constitutes the inner surface 21A of the outer rolling paper 21 of the flavor rod 2.
• the elongate flavor rod R2 formed as described above is cut to a prescribed length (cutting step) by a cutting knife (not shown) installed at a cutting portion S3.
• a cutting knife not shown
• the flavor rod 2 described in fig. 2 and fig. 3 , etc. above is obtained.
• the flavor rod 2 obtained in this manner is wrapped integrally with the separately prepared mouthpiece portion 3 using tipping paper 8, to thereby obtain the flavor stick 1 shown in fig. 2 .
• a flavor rod 2A according to embodiment 2 will next be described. The following explanation will focus on the differences between the flavor rod 2A and the flavor rod 2 described in embodiment 1, and detailed descriptions of mutually identical components will be omitted by affixing the same reference signs.
• Fig. 10 is a transverse cross-sectional view of the flavor rod 2A according to embodiment. 2
• the flavor rod 2A further comprises partitioning paper 24 disposed inside the outer rolling paper 21.
• the partition paper 24 is a member for partitioning flavor accommodating regions R1A, which are regions for accommodating the plurality of flavor compacts 22, and the heater insertion hole 23 in the transverse cross section of the flavor rod 2.
• the flavor accommodating regions R1 are formed between the outer rolling paper 21 and the partitioning paper 24 in the transverse cross section of the flavor rod 2.
• the partitioning paper 24 of the flavor rod 2A partitions the transverse cross section of the flavor rod 2A such that a plurality of flavor accommodating regions R1A that are partitioned from one another are formed between the outer rolling paper 21 and the partitioning paper 24, and one or more of the flavor compacts 22 is accommodated in each of the plurality of flavor accommodating regions R1A.
• the partitioning paper 24 partitions the transverse cross section of the flavor rod 2A into three flavor accommodating regions R1A and the heater insertion hole 23, and the three flavor accommodating regions R1A are arranged around the heater insertion hole 23 located on the central side in the transverse cross section.
• Each flavor accommodating region R1A partitioned by the partitioning paper 24 is disposed on the outer peripheral side of the transverse cross section of the flavor rod 2A, and the three flavor accommodating regions R1A are arranged in the circumferential direction inside the outer rolling paper 21.
• each flavor accommodating region R1A individually accommodates a single flavor compact 22.
• Reference sign BD' in fig. 10 denotes partitioning paper adhesive glue for bonding the partitioning paper 24 to the inner surface 21A of the outer rolling paper 21.
• the partitioning paper adhesive glue BD' may extend from the front end 1b of the flavor rod 2A to the back end thereof.
• the plurality (three) of flavor accommodation regions R1A are partitioned from one another by the partitioning paper 24 being partially bonded to the inner surface 21A of the outer rolling paper 21.
• FIG. 10 denotes partitioning paper adhesive glue for bonding the partitioning paper 24 to the inner surface 21A of the outer rolling paper 21.
• each flavor compact 22 may be directly glued to the inner surface 21A of the outer rolling paper 21 using the compact adhesive glue BD (see fig. 3 ).
• the flavor compacts 22 are accommodated in the flavor accommodating regions R1A formed between the outer rolling paper 21 and the partitioning paper 24, and therefore the flavor compacts 22 can be separated from the heater insertion hole 23.
• the internal heater 32 of the flavor inhalation device 30 is inserted into the heater insertion hole 23 of the flavor rod 2A, the internal heater 32 does not come into contact with the flavor compacts 22 of the flavor rod 2A.
• the flavor source contained in the flavor compacts 22 can be more suitably prevented from adhering to the internal heater 32. That is, soiling of the internal heater 32 can be more preferably inhibited.
• the aerosol containing the flavor components released from each flavor compact 22 during the operation of the flavor inhalation device 30 to flow through the flavor accommodating regions R1A partitioned by the outer rolling paper 21 and the partitioning paper 24, the aerosol can be smoothly guided to the mouthpiece portion 3.
• the flavor compacts 22 are accommodated individually in each flavor accommodating region R1A. This allows the aerosols containing the flavor components released from each flavor compact 22 to be supplied to the mouthpiece portion 3 through each flavor accommodating region R1A without mixing with each other. In this case, if the types of flavor sources in each flavor compact 22 differ, the effect of further accentuating the flavors of the flavor components released from the flavor compacts 22 having different types of flavor sources can be anticipated. Furthermore, as described above, the number of flavor compacts 22 accommodated in one flavor accommodating region R1A is not particularly limited. When accommodating a plurality of flavor compacts 22 in one flavor accommodating region R1A, the flavor sources of the flavor compacts 22 accommodated in one flavor accommodating region R1A may be set to the same type.
• the plurality of flavor accommodating regions R1A are partitioned from each other by partially bonding the partitioning paper 24 to the inner surface 21A of the outer rolling paper 21.
• the flavor compact 22 accommodated in each flavor accommodation region R1A can be positioned and held on the inner surface 21A of the outer rolling paper 21 in a state in which the flavor compact 22 is sandwiched between the inner surface 21A of the outer rolling paper 21 and the partitioning paper 24.
• a material having a high heat transfer performance is preferably used as the partitioning paper 24 of the flavor rod 2A in order to transfer heat efficiently from the internal heater 32 to the flavor compacts 22 accommodated in the flavor accommodating regions R1A.
• a material having a low basis weight and a high density is preferably used for the partitioning paper 21.
• the basis weight of the partitioning paper 24 is 10 gsm or more and 40 gsm or less, and the density of the partitioning paper 24 is 1 g/cm 3 or more and 1.5 g/cm 3 or less.
• the partitioning paper 24 may be coated with a coating agent such as pectin, sodium alginate, or the like, to improve the heat transfer performance.
• a material having excellent heat transfer performance such as aluminum-laminated paper, may be used as the partitioning paper 24.
• the coefficient of static friction between the internal heater 32 and the partitioning paper 24 it is preferable to adjust the coefficient of static friction between the internal heater 32 and the partitioning paper 24 to be 0.45 or more and 0.75 or less, and to adjust the coefficient of dynamic friction to be 0.4 or more and 0.7 or less.
• the tensile strength of the partitioning paper 24 is 10 to 20 N/15 mm, and the wet tensile strength of the partitioning paper 24 is 5 to 20 N/15 mm.
• the method for measuring the tensile strength of the partitioning paper 24 conforms to JIS P 8113, for example.
• the method for measuring the wet tensile strength of the partitioning paper 24 is based, for example, on the wet tensile strength test described in JP 2019-187451 A .
• FIG. 11 and fig. 12 are drawings illustrating the method for producing the flavor rod 2A according to embodiment 2, and correspond to fig. 5 and fig. 6 .
• the explanation will focus on the differences from the method for producing the flavor rod 2 according to embodiment 1.
• the flavor rod 2A includes the partitioning paper 24. Therefore, in the method for producing the flavor rod 2A, after the plurality of elongate flavor compact starting material sheets R22 have been caused to merge with the outer rolling paper starting material sheet R21, an elongate partitioning paper starting material sheet R24 is supplied along the conveying path from above the flavor compact starting material sheets R22 and is caused to merge at a second merging portion S4.
• the partitioning paper starting material sheet R24 is an elongate strip-shaped paper sheet for forming the partitioning paper 24.
• Reference sign B3 in fig. 12 denotes a bobbin onto which the partitioning paper starting material sheet R24 is wound. The bobbin B3 is rotatable and can sequentially feed out the partitioning paper starting material sheet R24.
• the second merging portion S4 is positioned between the merging portion S1 and the shaping portion S2.
• the glue applying device 70 applies the wrapping adhesive glue BD0 and the partitioning paper adhesive glue BD' discussed hereinabove in a rail-like (straight line) manner along the longitudinal direction of the upper surface R211, onto the upper surface R211 of the outer rolling paper starting material sheet R21 that is being fed out from the bobbin B1.
• Fig, 13 is a diagram illustrating, by way of example, an application pattern of the adhesive glue applied to the upper surface R11 of the outer rolling paper starting material sheet R21 by the glue applying device 70 according to embodiment 2.
• the wrapping adhesive glue BD0 and the partitioning paper adhesive glue BD'1 to BD'3 are arranged from the first end E1 side of the outer rolling paper starting material sheet R21, spaced apart from one another.
• the wrapping adhesive glue BD0 is disposed in the vicinity of the first end E1, in the same way as in the aspect shown in fig. 8 .
• each flavor compact starting material sheet R22-1 to R22-3 (R22) placed on the outer rolling paper starting material sheet R21 at the merging portion S1 is shown by a dashed line.
• the flavor compact starting material sheets R22-1 to R22-3 (R22) are disposed between the adhesive glue BD0 and BD' applied to the upper surface R211 of the outer rolling paper starting material sheet R21 by the glue applying device 70.
• the elongate partitioning paper starting material sheet R24 fed out from the bobbin B3 is supplied onto the outer rolling paper starting material sheet R21 and the flavor compact starting material sheets R22 at the second merging portion S4.
• the width dimension of the partitioning paper starting material sheet R24 is slightly smaller than the width dimension of the outer rolling paper starting material sheet R21, and the partitioning paper starting material sheet R24 is supplied in such a way that the entire wrapping adhesive glue BD0 is not covered by the partitioning paper starting material sheet R24.
• one end side in the width direction in the partitioning paper starting material sheet R24 partially covers only an inner part in the width direction of the wrapping adhesive glue BD0.
• a guide member (not shown) that presses the partitioning paper starting material sheet R24 from above toward the adhesive glue BD0 and BD' applied to the outer rolling paper starting material sheet R21 is disposed at the second merging portion S4.
• the partitioning paper starting material sheet R24 is bonded to the outer rolling paper starting material sheet R21.
• Fig. 14 is a transverse cross-sectional view showing a state in which the partitioning paper starting material sheet R24 has been bonded to the outer rolling paper starting material sheet R21. As shown in fig.
• the partitioning paper starting material sheet R24 is partially bonded to the upper surface R211 of the outer rolling paper starting material sheet R21 (ultimately, the inner surface 21A of the outer rolling paper 21) by means of the adhesive glue BD0 and BD'.
• Reference signs R241 to R243 in fig. 14 denote holding portions for positioning and holding the flavor compact starting material sheets R22-1 to R22-3 (R22) on the upper surface R211 of the outer rolling paper starting material sheet R21 (ultimately, the inner surface 21A of the outer rolling paper 21).
• the holding portions R241 to R243 of the partitioning paper starting material sheet R24 are formed by non-bonded regions of the partitioning paper starting material sheet 24 that are not bonded to the adhesive glue BD0 and BD'.
• each holding portion R241 to R243 is in close contact with the respective flavor compact starting material sheet R22-1 to R22-3 (R22), thereby making it possible for each flavor compact starting material sheet R22-1 to R22-3 (R22) to be positioned and held in a state of being pressed against the upper surface R211 of the outer rolling paper starting material sheet R21 (ultimately, the inner surface 21A of the outer rolling paper 21).
• the outer rolling paper starting material sheet R21 is wrapped using a guide member, which is not shown in the drawing, in the direction of the arrows C in fig. 14 .
• the first end E1 of the outer rolling paper starting material sheet R21 to which the wrapping adhesive glue BD0 has been applied is overlaid on the second end E2, thereby bonding the width direction ends of the outer rolling paper starting material sheet R21 to one other, and as a result yielding the elongate flavor rod R2 having a cylindrical transverse cross section.
• the elongate flavor rod R2 is subsequently cut to a predetermined length at the cutting portion S3 (cutting step). As a result, the flavor rod 2A described in fig. 10 above is obtained.
• a flavor stick provided with a flavor rod that is inserted into a heating chamber of a flavor inhalation device and that is heated by means of an internal heater of the flavor inhalation device, wherein:
• the flavor stick as disclosed in addendum 4 wherein the partitioning paper partitions the transverse cross section of the flavor rod such that a plurality of the flavor accommodating regions that are partitioned from one another are formed between the outer rolling paper and the partitioning paper, and one or more of the flavor compacts is accommodated in each of the plurality of flavor accommodating regions.
• the flavor stick as disclosed in addendum 5 wherein the plurality of flavor accommodating regions are partitioned from one another by the partitioning paper being partially bonded to the inner surface of the outer rolling paper.
• a non-combustion type flavor inhalation product tobacco product comprising: the flavor stick as disclosed in any one of addenda 1 to 7; and a flavor inhalation device including a heating chamber into which the flavor rod can be inserted, and an internal heater that is inserted into the heater insertion hole when the flavor rod is inserted into the heating chamber.
• a production method for producing the flavor rod as disclosed in addendum 1 using a winding machine comprising:
• each flavor compact starting material sheet is bonded to the upper surface of the outer rolling paper starting material sheet.
• each of the flavor compact starting material sheets is positioned on the upper surface of the outer rolling paper starting material sheet by disposing an elongate partitioning paper starting material sheet so as to cover the flavor compact starting material sheets placed on the upper surface of the outer rolling paper starting material sheet, and partially bonding the partitioning paper starting material sheet to the upper surface of the outer rolling paper starting material sheet.
• Embodiments of the present disclosure have been described above, but the flavor stick, non-combustion type flavor inhalation product, and method for producing a flavor rod according to the present disclosure are not limited to these embodiments. Furthermore, each aspect disclosed in the embodiments and modified examples discussed hereinabove can be combined with any other aspect disclosed in the present specification.

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• Manufacture Of Tobacco Products (AREA)
• Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
• Cigarettes, Filters, And Manufacturing Of Filters (AREA)

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• 2023
  • 2023-01-27 WO PCT/JP2023/002720 patent/WO2024157477A1/ja not_active Ceased
  • 2023-01-27 CN CN202380091825.6A patent/CN120513034A/zh active Pending
  • 2023-01-27 KR KR1020257023428A patent/KR20250115455A/ko active Pending
  • 2023-01-27 JP JP2024572808A patent/JPWO2024157477A1/ja active Pending
  • 2023-01-27 EP EP23918437.7A patent/EP4656066A1/en active Pending
• 2024
  • 2024-01-25 TW TW113102994A patent/TW202430067A/zh unknown

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