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EP4183271B1 - Article à fumer - Google Patents

Article à fumer Download PDF

Info

Publication number
EP4183271B1
EP4183271B1 EP22215922.0A EP22215922A EP4183271B1 EP 4183271 B1 EP4183271 B1 EP 4183271B1 EP 22215922 A EP22215922 A EP 22215922A EP 4183271 B1 EP4183271 B1 EP 4183271B1
Authority
EP
European Patent Office
Prior art keywords
segment
filter
smoking article
tobacco rod
tobacco
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
EP22215922.0A
Other languages
German (de)
English (en)
Other versions
EP4183271C0 (fr
EP4183271A1 (fr
Inventor
Norio Yamamoto
Tetsuya Okuyama
Hiroshi Inoue
Daisuke Sato
Makoto Kishi
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.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
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 Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to EP22215922.0A priority Critical patent/EP4183271B1/fr
Publication of EP4183271A1 publication Critical patent/EP4183271A1/fr
Application granted granted Critical
Publication of EP4183271B1 publication Critical patent/EP4183271B1/fr
Publication of EP4183271C0 publication Critical patent/EP4183271C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices

Definitions

  • the present invention relates to a smoking article.
  • a smoking article such as a cigarette, that includes a tobacco rod, a cooling segment, and a filter segment has a problem of falling tobacco shreds or the like from the leading end, in other words, the end opposite to the mouth end.
  • it has been proposed to apply an adhesive on the inner side of a paper wrapper near the leading end ( JP 3202221 B ).
  • a smoking article that includes a functional segment for functionalizing the end opposite to the mouth end of a tobacco rod.
  • the present disclosure relates to a smoking article that includes a tobacco rod, a cooling segment, and a filter segment.
  • a smoking article that includes a tobacco rod, a cooling segment, and a filter segment.
  • the expression "X to Y" includes the lower and the upper limits of X and Y.
  • a tobacco rod is an almost cylindrical member for generating smoking flavor components contained in tobacco raw materials and includes tobacco filler and a paper wrapper wrapped therearound.
  • tobacco filler tobacco sheets are used. Further, such sheets are cut into strips and packed inside a paper wrapper concentrically or with the longitudinal direction of the strips aligned parallel to the longitudinal direction of a tobacco rod.
  • the tobacco rod 1 generates an aerosol upon heating.
  • an aerosol source such as glycerol, propylene glycol, 1,3-butanediol, or other polyols is added to the tobacco filler.
  • the amount of an aerosol source to be added is 5 to 50 weight% and preferably 10 to 30 weight% based on the dry weight of the tobacco filler.
  • the tobacco rod may contain a flavor, such as menthol.
  • the length of the tobacco rod 1 is not limited but is preferably 15 to 25 mm.
  • the diameter is also not limited but is preferably 6.5 to 7.5 mm. Meanwhile, when a neighboring member has stiffness higher than the tobacco rod, the tobacco rod preferably has a diameter larger than the neighboring member.
  • the tobacco rod has a diameter preferably 0.5 to 2.5% larger and more preferably 1.0 to 2.0% larger than the neighboring member.
  • the tobacco rod preferably has a diameter about 0.05 to 0.15 mm larger than the neighboring member.
  • Exemplary neighboring members include a cooling segment and a filter segment.
  • Stiffness in the present invention means the resistance of a member to deformation as disclosed in paragraphs [0010] to [0014] of Japanese Unexamined Patent Application Publication (Translation of PCT Application) No. 2016-523565. Stiffness can be obtained from a change in diameter before and after applying a load F on the side surface of a tobacco rod.
  • Ds the diameter of a tobacco rod before applying a load F
  • Dd the diameter after applying the load
  • the stiffness is defined by the following formula. The same applies to other members.
  • Stiffness % Dd / Ds ⁇ 100
  • a cooling segment is a member for cooling an aerosol and smoking flavor components generated in the tobacco rod 1.
  • the cooling segment 3 may be a hollow paper tube.
  • the paper tube is preferably made of cardboard having stiffness higher than paper wrappers and tipping papers.
  • the paper tube may be provided with holes (ventilation holes).
  • a plurality of holes are preferably formed along the circumference of the paper tube. In view of efficient operations, such holes are preferably formed by laser processing of a finished smoking article.
  • gathered sheets may be packed inside the cooling segment 3.
  • the dimensions of the cooling segment 3 are not limited, the length is preferably 15 to 25 mm and the diameter is preferably 5.5 to 7.5 mm.
  • the cooling segment 3 when a member neighboring the cooling segment 3 has stiffness lower than the cooling segment 3, the cooling segment 3 has a diameter preferably 0.5 to 2.5% smaller and preferably 1.0 to 2.0% smaller than the neighboring member.
  • the cooling segment 3 includes a paper tube made of cardboard, the segment generally has stiffness higher than a tobacco rod.
  • a filter segment is a member including a filter.
  • a publicly known filter member such as an acetate filter or a paper filter
  • a paper filter is a paper-filled filter prepared by creasing paper through processing with a crepe roller or the like and by rolling the paper using a plug wrapper.
  • An acetate filter is a filter filled with cellulose acetate fibers.
  • a filter segment 5 is preferably composed of a plurality of members, and more preferably includes a filter 51 and a center hole filter 53.
  • the center hole filter may be a space provided in the central part of an acetate filter, for example.
  • the length of the filter segment 5 is not limited but is preferably 10 to 20 mm.
  • both a center hole filter and an acetate filter are arranged as a filter segment, the order is not limited. Moreover, individual members may be wrapped in each filter inner wrapper and joined with a filter outer wrapper.
  • the diameter of the filter segment is not limited but is preferably almost the same as those of other segments excluding a tobacco rod. As a result, tearing and creasing of tipping paper can be suppressed.
  • a functional segment is a segment for functionalizing the smoking article 100.
  • the functional segment 9 acts to prevent falling of tobacco from the leading end of the tobacco rod 1 or acts to impart a unique flavor by carrying the flavor.
  • the functional segment 9 preferably comprises a filter, such as an acetate filter.
  • the functional segment 9 of the latter is preferably a filter or a paper tube embedded with flavor capsules.
  • the length of the functional segment 9 is 5 to 10 mm.
  • tipping paper refers to a paper used for joining two or more of a tobacco rod, a cooling segment, and a filter segment.
  • paper wrapper refers to a paper for wrapping individual members that constitute a tobacco rod, a cooling segment, or a filter segment.
  • a filter segment includes a center hole filter and an acetate filter as in the foregoing, a paper for wrapping the center hole filter and a paper for wrapping the acetate filter are each paper wrapper.
  • Exemplary base paper for tipping papers and paper wrappers includes, but is not limited to, paper using cellulose fibers.
  • cellulose fibers may be either derived from plants or chemically synthesized, or may be a mixture thereof.
  • Exemplary plant-derived fibers include pulp of flax fibers, wood fibers, or seed fibers, for example. Such pulp may be colored unbleached pulp.
  • bleached pulp which is prepared using a bleaching agent, such as an oxidant or a reductant.
  • a citric acid alkali metal salt or the like is used as a common burning chemical (combustion aid, for example) that can affect the spontaneous combustion rate of the paper wrapper.
  • a heating-type smoking article but not a combustion-type is preferable. In this case, since the combustion of a paper wrapper is unnecessary, the paper wrapper need not contain a burning chemical.
  • the lower limit of the basis weight of a paper wrapper is preferably 30 g/m 2 or more, more preferably 35 g/m 2 or more, and further preferably 40 g/m 2 or more.
  • the upper limit is preferably 65 g/m 2 or less and more preferably 50 g/m 2 or less.
  • the lower limit of the basis weight of a tipping paper is preferably 20 g/m 2 or more, more preferably 25 g/m 2 or more, and further preferably 30 g/m 2 or more.
  • the upper limit is preferably 50 g/m 2 or less, more preferably 45 g/m 2 or less, and further preferably 40 g/m 2 or less.
  • the basis weight can be measured by the method specified in JIS P 8124.
  • Fig. 2 The outline of the present process is illustrated in Fig. 2 .
  • "w" indicates "double-length.”
  • 5w represents a double-length filter segment.
  • This step prepares a segment A that includes a double-length functional segment 9w, which has a double length of the functional segment 9, and the tobacco rods 1 at either end of the double-length functional segment.
  • the double-length functional segment 9w and the tobacco rods 1 may be in mere contact with each other and need not be attached.
  • Step A may include the following steps as illustrated in Fig. 3 :
  • step A may include the following steps:
  • step A can be performed in the first unit 81 of Fig. 5 where 81f is a feeder for tobacco rods 1, 81p is a picking-up drum, and 81s is a separating drum. A pair of tobacco rods 1 fed from the feeder 81f are passed to a holding section provided on the circumferential surface of the picking-up drum 81p.
  • the pair of the tobacco rods 1 are passed to the separating drum 81s and placed via a gap in a holding section while being transferred. Further, the pair of the tobacco rods 1 placed via a gap are passed in this state to a receiving drum 81a by a transfer drum 81t.
  • 81'f is a feeder for a double-length functional segment 9w and 81'p is a picking-up drum.
  • a double-length functional segment 9w fed from the feeder 81'f is passed to a holding section provided on the circumferential surface of the picking-up drum 81'p.
  • the pair of the tobacco rods 1 are placed via a gap on the receiving drum 81a.
  • the double-length functional segment 9w is placed in the gap to come into contact with the tobacco rods 1.
  • one or a plurality of drums may have a feeding, receiving, transferring, or separating function.
  • the manufacturing method of the present disclosure preferably includes, between steps A and C, step B of integrating the segment A by wrapping in one second tipping paper 71.
  • the integrated segment A is also referred to as segment B.
  • the second tipping paper 71 paper common in the field concerned can be used.
  • the second tipping paper 71 may be coated with a publicly known adhesive.
  • the length of the second tipping paper used in this step it is possible to functionalize a smoking article.
  • the second tipping paper has a length that can cover the entire tobacco rods 1, it is possible to maintain satisfactory appearance since stains, even if formed on the tobacco rods 1, can be hidden.
  • This step can be performed in the second unit 82 of Fig. 5 where 82f is a feeder for a second tipping paper 71, 82t is a transfer drum, 82r is a rolling drum, and 82h is a rolling hand. Since this step is the same as step F, the details will be described in step F.
  • a pair of cooling segments 3 are prepared and placed in contact with either end of the segment B to prepare a segment C.
  • This step can be performed in the third unit 83 of Fig. 5 where 83f is a feeder for cooling segments 3, 83ps is a picking-up and separating drum, and 83a is a receiving drum.
  • a pair of cooling segments 3 fed from the feeder 83f are passed to a holding section provided on the circumferential surface of the picking-up and separating drum 83ps while being placed via a gap.
  • the segment B prepared in the preceding step is passed to the receiving drum 83a via a transfer drum 83t.
  • the pair of the cooling segments 3 are passed to the receiving drum 83a and placed at either end of the segment B to come into contact with the end face of either of the tobacco rods 1.
  • the segment C is cut and separated in the central part in the longitudinal direction to prepare a pair of segments D.
  • the segments D are inverted to be placed via a gap to align the longitudinal axes of the segments D and allow the cooling segments 3 to face each other.
  • This step can be performed in the fourth unit 84 of Fig. 5 where 84c is a cutter drum and 84c' is a cutter.
  • the segment B is passed to the cutter drum 84c and cut with the cutter 84c' in the central part in the longitudinal direction. Subsequently, the cut segments are passed to two inverting drums 84i and inverted.
  • a guide G on the inverting drum 84i is a holding section for a segment D, which is either of the segment C divided into two, and is provided in a rotatable manner around one corner on the drum.
  • the segment D held in the guide G illustrated with a dotted line is moved to the solid-line position through the rotation of the guide G as the inverting drum 84i rotates. Subsequently, the segment D is passed to a guide G' illustrated with a dotted line on the inverting drum 84i'.
  • the guide G' slides on the inverting drum 84i' to the solid-line position where the distance between a pair of the segments D is a desirable value.
  • the pair of the divided segments C are thus inverted.
  • a double-length filter segment 5w which has a double length of the filter segment 5 is prepared and placed in the gap such that both ends of the double-length filter segment come into contact with the end on the cooling segment side of either of the segments D, thereby preparing a segment E.
  • This step can be performed in the fifth unit 85 of Fig. 5 where 85f is a feeder for a double-length filter segment 5w, 85p is a picking-up drum, and 85a is a receiving drum.
  • a double-length filter segment 5w fed from the feeder 85f is passed to a holding section provided on the circumferential surface of the picking-up drum 85p. Meanwhile, the pair of the segments D placed via a gap are passed in this state to the receiving drum 85a.
  • the double-length filter segment 5w from the picking-up drum 85p is placed in the gap between the pair of the segments D on the receiving drum 85a.
  • the segment E is integrated by wrapping in one tipping paper 7 to prepare a double-length smoking article 100w, which has a double length of the smoking article 100.
  • the tipping paper 7 the same as the second tipping paper 71 may be used.
  • the segment E in the separable state is integrated into the inseparable state.
  • the tipping paper 7 need not cover the entire range of the tobacco rods 1.
  • a region covered with the tipping paper 7 is preferably a region extending from the bonding face between the tobacco rod 1 and the cooling segment 3 to the position of 0.2X to 0.4X in the longitudinal direction of the tobacco rod 1.
  • This step can be performed in the sixth unit 86 of Fig. 5 where 86f is a feeder for a tipping paper, 86t is a transfer drum, 86r is a rolling drum, and 86h is a rolling hand.
  • a rolling drum is a drum having a holding section that is for holding a member on the circumferential surface and that enables a segment or another member to rotate on its central axis in the longitudinal direction.
  • a rolling hand is a means that is disposed facing the circumferential surface of the rolling drum and that is for forming a gap of a constant distance from the circumferential surface.
  • the segment E is passed to the transfer drum 86t and then passed to the rolling drum 86r.
  • the precursor 92 includes the tipping paper 7 attached, like a flag, to the segment denoted by 90. In other words, part of the tipping paper 7 is attached to the circumferential surface of the segment E while leaving the remainder free.
  • the precursor 92 is fixed to the holding section on the circumferential surface of the rolling drum 86r through suction or the like and transferred to the gap formed between the rolling drum 86r and the rolling hand 86h. While passing through this gap, the entire circumferential surface of the precursor 92 is wrapped in the tipping paper 7 to form a double-length smoking article 100w (see Fig. 7 ).
  • the tobacco rod 1 preferably has a diameter larger than the neighboring cooling segment 3 in the present invention.
  • the surfaces of the rolling drum 86r and the rolling hand 86h are flat, excessive contact arises between these surfaces and the tobacco rod 1 ( Fig. 8 (1)). This results in a problem of falling fillings from the leading end under the impact on the tobacco rod 1.
  • the difference in circumference causes twisting, thereby developing defects, such as creases, in a product.
  • a depression may be provided on the rolling drum 86r or both the rolling drum and the rolling hand.
  • the depth of the depression (T in Figs. 8 ( 2 ) and ( 3 )) is appropriately adjusted and is preferably 0.05 to 0.15 mm.
  • Such a depression need not be provided on the entire surface that faces the tobacco rod 1.
  • a depression may be provided on part of the surface that faces the tobacco rod 1.
  • a depression is preferably absent near the boundary between these two members.
  • the segment E is wrapped in one tipping paper in the final stage. Accordingly, it is possible to avoid steps formed on a product due to the use of many tipping papers and consequently reduce the occurrence of defects in manufacture.
  • the double-length smoking article 100w is cut in the central part in the longitudinal direction to yield smoking articles 100.
  • This step may further include aligning two smoking articles 100 in the same direction by inverting either of the smoking articles 100.
  • This step can be performed in the seventh unit 87 of Fig. 5 where 87c is a cutter drum, 87c' is a cutter, and 87a is a receiving drum.
  • the cutting is performed as described in step D.
  • the double-length functional segment 9w is placed in the center, cut and separated in the central part, and inverted. As a result, efficient operations are possible when the leading end of a smoking article is functionalized.
  • a double-length tobacco rod was prepared and cut then separated in the central part in the longitudinal direction, thereby placing tobacco rods via a gap to align the longitudinal axes of the tobacco rods. Subsequently, a double-length functional segment was placed in the gap to prepare a segment A that includes the double-length functional segment and the tobacco rods at either end of the double-length functional segment (step A).
  • the segment A was integrated by wrapping in one second tipping paper to prepare a segment B (step B).
  • a pair of paper tubes were prepared and placed in contact with either end of the segment B to prepare a segment C (step C).
  • the segment C was cut and separated in the central part in the longitudinal direction to prepare a pair of segments D, and the segments D were inverted to be placed via a gap to align the longitudinal axes of the segments D and allow the paper tubes to face each other (step D).
  • a double-length filter segment which has a double length of a filter segment, was prepared and placed in the gap such that both ends of the double-length filter segment come into contact with the end on the paper tube side of either of the segments D to prepare a segment E (step E).
  • the segment E was integrated by wrapping in one tipping paper to produce a double-length smoking article, which has a double length of a smoking article (step F).
  • the double-length smoking article was cut in the central part in the longitudinal direction to manufacture smoking articles (step G).

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Claims (11)

  1. Article à fumer comprenant dans cet ordre
    a) un segment fonctionnel
    b) une tige de tabac incluant une charge de tabac et une enveloppe en papier enroulée autour de celle-ci,
    c) un segment de refroidissement
    d) un segment de filtre,
    e) dans lequel la tige de tabac comprend en outre une source d'aérosol,
    f) dans lequel la longueur du segment fonctionnel est de 5 à 10 mm,
    g) dans lequel la quantité de source d'aérosol est de 5 à 50 % en poids, de préférence de 10 à 30 % en poids, sur la base du poids sec de la charge de tabac
    h) dans lequel la charge de tabac comprend des feuilles de tabac, caractérisé en ce que les feuilles de tabac sont coupées en bandes et entassées à l'intérieur d'une enveloppe en papier de manière concentrique ou avec la direction longitudinale des bandes alignée parallèlement à la direction longitudinale de la tige de tabac.
  2. Article à fumer selon la revendication 1, dans lequel il comprend un premier papier d'embout reliant deux éléments ou plus parmi la tige de tabac, le segment de filtre et le segment de refroidissement.
  3. Article à fumer selon les revendications 1 à 2, dans lequel la longueur de la tige de tabac est de 15 à 25 mm.
  4. Article à fumer selon les revendications 1 à 3, dans lequel le segment de refroidissement est un tube en papier creux, dans lequel le tube en papier est de préférence doté de trous de ventilation.
  5. Article à fumer selon les revendications 1 à 4, dans lequel le segment de filtre inclut un filtre et un filtre à trou central.
  6. Article à fumer selon les revendications 1 à 5, dans lequel la longueur du segment de filtre est de 10 à 20 mm.
  7. Article à fumer selon l'une quelconque des revendications 1 à 6, dans lequel un organe voisin de la tige de tabac présente une rigidité supérieure à la tige de tabac.
  8. Article à fumer selon la revendication 7, dans lequel la tige de tabac présente un diamètre plus grand qu'un organe voisin, de préférence 0,05 à 0,15 mm plus grand que l'organe voisin, de manière préférée entre toutes 0,5 à 2,5 % plus grand que l'organe voisin.
  9. Article à fumer selon l'une quelconque des revendications 1 à 8, dans lequel le segment fonctionnel comprend un filtre.
  10. Article à fumer selon l'une quelconque des revendications 1 à 9, dans lequel le segment de filtre comprend un filtre en acétate.
  11. Article à fumer selon l'une quelconque des revendications 1 à 10, dans lequel le diamètre du segment de filtre est sensiblement identique à ceux des autres segments, à l'exception de la tige de tabac.
EP22215922.0A 2018-10-05 2018-10-05 Article à fumer Active EP4183271B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22215922.0A EP4183271B1 (fr) 2018-10-05 2018-10-05 Article à fumer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18936079.5A EP3861868B1 (fr) 2018-10-05 2018-10-05 Procédé de production pour article à fumer
EP22215922.0A EP4183271B1 (fr) 2018-10-05 2018-10-05 Article à fumer
PCT/JP2018/037336 WO2020070872A1 (fr) 2018-10-05 2018-10-05 Procédé de production pour article à fumer

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP18936079.5A Division EP3861868B1 (fr) 2018-10-05 2018-10-05 Procédé de production pour article à fumer
EP18936079.5A Division-Into EP3861868B1 (fr) 2018-10-05 2018-10-05 Procédé de production pour article à fumer

Publications (3)

Publication Number Publication Date
EP4183271A1 EP4183271A1 (fr) 2023-05-24
EP4183271B1 true EP4183271B1 (fr) 2024-05-22
EP4183271C0 EP4183271C0 (fr) 2024-05-22

Family

ID=70055313

Family Applications (3)

Application Number Title Priority Date Filing Date
EP22215922.0A Active EP4183271B1 (fr) 2018-10-05 2018-10-05 Article à fumer
EP18936079.5A Active EP3861868B1 (fr) 2018-10-05 2018-10-05 Procédé de production pour article à fumer
EP22215924.6A Pending EP4183272A1 (fr) 2018-10-05 2018-10-05 Article à fumer

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP18936079.5A Active EP3861868B1 (fr) 2018-10-05 2018-10-05 Procédé de production pour article à fumer
EP22215924.6A Pending EP4183272A1 (fr) 2018-10-05 2018-10-05 Article à fumer

Country Status (5)

Country Link
EP (3) EP4183271B1 (fr)
JP (4) JP7510349B2 (fr)
CN (1) CN112804891B (fr)
PL (1) PL3861868T3 (fr)
WO (1) WO2020070872A1 (fr)

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WO2024115568A1 (fr) 2022-11-29 2024-06-06 Jt International Sa Filtre pour article de génération d'aérosol

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EP3861868A1 (fr) 2021-08-11
EP4183272A1 (fr) 2023-05-24
JP2023071946A (ja) 2023-05-23
CN112804891B (zh) 2022-08-30
JP7510349B2 (ja) 2024-07-03
WO2020070872A1 (fr) 2020-04-09
EP3861868B1 (fr) 2024-02-28
EP4183271C0 (fr) 2024-05-22
EP3861868A4 (fr) 2022-05-18
JP2022163146A (ja) 2022-10-25
PL3861868T3 (pl) 2024-05-13
CN112804891A (zh) 2021-05-14
EP4183271A1 (fr) 2023-05-24
JPWO2020070872A1 (ja) 2021-09-30

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