JP6599329B2 - Smoking articles and related manufacturing methods - Google Patents

Smoking articles and related manufacturing methods Download PDF

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JP6599329B2
JP6599329B2 JP2016536685A JP2016536685A JP6599329B2 JP 6599329 B2 JP6599329 B2 JP 6599329B2 JP 2016536685 A JP2016536685 A JP 2016536685A JP 2016536685 A JP2016536685 A JP 2016536685A JP 6599329 B2 JP6599329 B2 JP 6599329B2
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Prior art keywords
segment
thermally conductive
aerosol generating
tobacco
element
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JP2017502656A (en
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エイデム,バラガー
バーンズ,バーノン・ブレント
コナー,ビリー・タイローン
クルックス,エボン・エル
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アール・ジエイ・レイノルズ・タバコ・カンパニー
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Priority to US14/098,137 priority Critical
Priority to US14/098,137 priority patent/US20150157052A1/en
Application filed by アール・ジエイ・レイノルズ・タバコ・カンパニー filed Critical アール・ジエイ・レイノルズ・タバコ・カンパニー
Priority to PCT/US2014/068049 priority patent/WO2015084783A1/en
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/10Machines with wrapping rollers
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00Smokers' requisites not otherwise provided for
    • A24F47/002Simulated smoking devices, e.g. imitation cigarettes
    • A24F47/004Simulated smoking devices, e.g. imitation cigarettes with heating means, e.g. carbon fuel
    • A24F47/006Simulated smoking devices, e.g. imitation cigarettes with heating means, e.g. carbon fuel with chemical heating means

Description

  The present disclosure relates to a product made from tobacco or a product derived from tobacco, or a product that otherwise incorporates tobacco and is intended for human consumption, and more particularly relates to the manufacture of segmented smoking articles. It relates to the assembly of components.

  Popular smoking articles, such as cigarettes, have a substantially cylindrical rod-shaped structure and are surrounded by wrapping paper, so that a so-called “smoking rod”, “cigarette rod” or “cigarette rod” Including a filling, scroll or column of smokable material such as chopped tobacco (eg, cut filler form). Cigarettes typically have a cylindrical filter element that is aligned end to end with the tobacco rod. Preferably, the filter element comprises a plasticized cellulose acetate tow surrounded by a paper material known as “plug wrap”. Preferably, the filter element is attached to one end of the tobacco rod using a surrounding wrapping material known as “chipping paper”. Examples of chipping materials include, for example, Dube et al., US Pat. No. 7,789,089, and Crooks et al., US Patent Application Publication No. 2007/0215167, Joyce et al., US 2010/0108081, Norman et al. 2010/0108084, and Ademe et al. 2013/0167849, and Ditrich et al., PCT Patent Application Publication No. 2013/160671, each of which is incorporated herein by reference. It has also become desirable to perforate the chipping material and plug wrap to provide dilution of the drawn mainstream smoke with ambient air. Traditional types of cigarettes are used by smokers by igniting one end and burning a tobacco rod. The smoker then receives mainstream smoke into the mouth by smoking the opposite end of the cigarette (eg, the filter end or mouth end). A description of cigarettes and their various components is described in Tobacco Production, Chemistry and Technology, Davis et al., Incorporated herein by reference. (Eds.) (1999). Over the years, efforts have been made to improve the components, construction, and performance of smoking articles. See, for example, the background art discussed in US Pat. No. 7,753,056 to Borschke et al., Which is incorporated herein by reference.

  One particular type of cigarette using a carbonaceous fuel element is R.I. J. et al. Commercially sold under the brand names “Premier” and “Eclipse” by Reynolds Tobacco Company. See, for example, Chemical and Biological Studies on New Cigarette Prototypes that Heat Institute of Burn Tobacco, R.A. J. et al. Reynolds Tobacco Company Monograph (1988) and Inhalation Toxiology, 12: 5, p. See cigarettes of the type described in 1-58 (2000). In addition, in recent years, a similar type of cigarette has been sold in Japan by Japan Tobacco Inc. under the brand name “Steam Hot One”. In addition, various types of smoking products that incorporate carbonaceous fuel elements for heat generation and aerosol formation are described in the patent literature. See, for example, Sensabaugh et al., US Pat. No. 4,793,365, Cantrel et al., 7,647,932, and Borschke et al., 7,836,897, Banerjee, incorporated herein by reference. US Patent Publication No. 2007/0215168, Tsuruizumi et al. 2013/0019888, Shinozaki et al. 2013/0133675, Stone et al. 2013/0269720, and Poget et al. 2013/0146075. PCT Patent Application Publication No. WO2012 / 0164077 to Gladden et al., WO2013 / 098380 to Raether et al., WO2013 / 098405 to Zuber et al., WO2013 / 0 No. 8410, Woodcock, WO 2013/104914, Rouder et al., WO 2013/12049, Mironov, WO 2013/120854, Azegami et al. And the types of smoking products and related components proposed, described, and referenced in Baba et al., European Patent Application No. EP1808087, and Tsuruizumi et al., EP2550879.

  Various modalities and methods have been proposed for assembling a smoking article having a plurality of sequentially arranged segmented components. For example, Barnes et al., US Pat. No. 5,469,871, and Crooks et al., US Pat. No. 7,647,932, and Crooks et al., US Patent Application Publication No. 2010/0186757, incorporated herein by reference. See, et al., Stone et al., 2012/0042885, and Conner et al., 2012/0067360, of various types of assembly techniques and methodologies.

  It would be highly desirable to provide a smoking article that exhibits the ability to provide smokers with the benefits and benefits of many conventional cigarettes without providing a substantial amount of incomplete combustion and pyrolysis products. In addition, it would be highly desirable to provide an efficient and effective manner and method associated with the manufacture and assembly of a type of smoking article that incorporates a plurality of sequentially arranged segmented components.

US Pat. No. 7,789,089 US Patent Application Publication No. 2007/0215167 US Patent Application Publication No. 2010/0108081 US Patent Application Publication No. 2010/0108084 US Patent Application Publication No. 2013/0167849 International Publication No. 2013/160671 US Pat. No. 7,753,056 US Pat. No. 4,793,365 US Pat. No. 7,647,932 US Pat. No. 7,836,897 US Patent Publication No. 2007/0215168 US Patent Publication No. 2013/0019888 US Patent Publication No. 2013/0133675 US Patent Publication No. 2013/0269720 US Patent Publication No. 2013/0146075 International Publication No. 2012/0164077 International Publication No. 2013/098380 International Publication No. 2013/098405 International Publication No. 2013/098410 International Publication No. 2013/104914 International Publication No. 2013/120849 International Publication No. 2013/120854 International Publication No. 2013/162028 International Publication No. 2013/160112 US Pat. No. 5,469,871 US Patent Application Publication No. 2010/0186757 US Patent Application Publication No. 2012/0042885 US Patent Application Publication No. 2012/0067360

Tobacco Production, Chemistry and Technology, Davis et al. (Eds.) (1999) Chemical and Biological Studies on New Cigarette Prototypes that Heat Instead of Burn Tobacco, R.C. J. et al. Reynolds Tobacco Company Monograph (1988) Inhalation Toxiology, 12: 5, p. 1-58 (2000)

  The above and other needs are met by aspects of the present disclosure that provide a method of forming an elongated smoking article in one aspect. Such a method includes engaging a heat generating segment and a tobacco rod segment to an outer wrapping material in a longitudinally spaced relationship with respect to the length of the outer wrapping material, the outer wrapping material engaging therewith. A thermally conductive strip, the thermally conductive strip having longitudinally spaced ends arranged with respect to the length of the outer packaging material, and at least one of the heat generating segment and the tobacco rod segment; At least partially overlaps one of the longitudinal ends of the thermally conductive strip. The lateral end of the outer wrapping material has a heat generating segment and a tobacco rod segment between the lateral end of the outer wrapping material and the lateral end of the thermally conductive strip in cooperation with the thermally conductive strip. At most partially wrapped around the heat generating segment and the tobacco rod segment so as to define a longitudinally extending cavity accessible. A plurality of aerosol generating elements are deposited in a longitudinally extending cavity between the lateral ends of the thermally conductive strip, the longitudinally extending cavity joining the lateral ends of the outer packaging material. It is closed by sealing.

  Another aspect of the present disclosure provides an apparatus for forming an elongated smoking article. Such an apparatus includes an assembly mechanism configured to engage the heat generating segment and the tobacco rod segment to the outer packaging material in a longitudinally spaced relationship to the length of the outer packaging material, the outer packaging material Has a thermally conductive strip engaged therewith, the thermally conductive strip having longitudinally spaced ends arranged with respect to the length of the outer packaging material, the heat generating segment and the tobacco rod segment At least one of which at least partially overlaps one of the longitudinal ends of the thermally conductive strip. The winding mechanism includes a lateral end of the outer wrapping material, a heat generating segment and a tobacco rod segment cooperating with the thermally conductive strip, the lateral end of the outer wrapping material and the lateral end of the thermally conductive strip. At least partially wrapped around the heat generating segment and the tobacco rod segment so as to define a longitudinally extending cavity accessible to the portion. The dispensing mechanism is configured to deposit a plurality of aerosol generating elements in a longitudinally extending cavity between the lateral ends of the thermally conductive strip, and the sealing mechanism is disposed laterally of the outer packaging material. It is configured to close the longitudinally extending cavity by sealing together the ends.

  In certain aspects, the present disclosure provides an elongated smoking article having an ignition end and an opposite mouth end. Such a smoking article comprises a mouth end segment or portion disposed at the mouth end and a tobacco rod segment or portion disposed between the ignition end and the mouth end portion. The aerosol generation system is located as a segment disposed between the ignition end and the tobacco segment. The aerosol generating segment is disposed longitudinally from the heat generating portion or segment disposed at the ignition end, and these two segments are in a heat exchange relationship so that the aerosol is generated by the combustion of the components of the heat generating segment. The heat generated on the segment's aerosol forming component causes the generation of aerosol. The longitudinally extending outer surfaces of the heat generating segment, the aerosol generating segment, and the tobacco rod segment provide a rod that is surrounded by the outer packaging material and then attached to the mouth end segment. A layer of thermally conductive material is disposed under the outer packaging material to provide the outer inner surface of the aerosol generating segment. The thermally conductive layer most preferably covers the outer longitudinal surface of the heat generating segment in a region adjacent to the aerosol generating segment, and the thermally conductive layer optionally covers the outer longitudinal surface of the tobacco rod segment. , And may be covered in a region adjacent to the aerosol generating segment. An aerosol generating segment is a plurality of parts or pieces or elements (e.g., pellets or beads) that incorporate materials that generate aerosols in response to and in response to the heat generated by burning the fuel elements of the heat generating segment. ).

  Another aspect of the present disclosure provides a manner and method for producing elongated smoking articles. That is, the pre-formed heat generating segment and tobacco rod segment are arranged in place on the inner surface of the web of outer packaging material. A layer of thermally conductive material is also positioned over a predetermined location on the inner surface of the outer packaging material. While wrapping the outer wrapping material around the various segments to form a packaged rod comprising these three segments, the parts, elements, or pieces of material that incorporate the aerosol-forming substance are within the cavity that defines the aerosol-generating segment. Is disposed downward. That is, a predetermined amount of pellets or beads can fall into a cavity located between the heat generating segment and the tobacco rod segment. Thereafter, the packaging of the outer wrapping material is completed to provide a packaged rod that incorporates three longitudinally aligned cylindrical segments. The aerosol generating area of the packaged rod consists of a plurality of pellets or beads or other elements surrounded by a layer of thermally conductive material. A packaged rod incorporating three longitudinally aligned segments is then attached to the tip end piece (eg, a cylindrical filter element) to provide the final filtered cigarette.

  The present disclosure includes, but is not limited to, the following embodiments.

  Embodiment 1: A method of forming an elongated smoking article, wherein a heat generating segment and a tobacco rod segment are engaged with an outer packaging material in a longitudinally spaced relationship with respect to the length of the outer packaging material. The outer packaging material has a thermally conductive strip engaged therewith, the thermally conductive strip being longitudinally spaced ends arranged relative to the length of the outer packaging material Engaging at least one of the heat generating segment and the tobacco rod segment at least partially overlapping one of the longitudinal ends of the thermally conductive strip; and The heat generating segment and the tobacco rod segment cooperate with the thermally conductive strip so that the lateral end of the outer packaging material and the thermally conductive strip Wrapping at least partially around the heat generating segment and the tobacco rod segment to define a longitudinally extending cavity accessible between the plurality of aerosol generating elements and a plurality of aerosol generating elements Are deposited in the longitudinally extending cavities between the lateral ends of the thermally conductive strip, and the longitudinally extending cavities are disposed on the lateral ends of the outer packaging material. Closing by overlapping and sealing.

  Embodiment 2: The method or combination thereof according to any of the preceding or subsequent embodiments, further comprising engaging the thermally conductive strip with the length of the outer packaging material.

  Embodiment 3: Engaging the thermally conductive strip comprises engaging the thermally conductive strip to the outer packaging material by applying a laminating adhesive therebetween, or The method or combination thereof described in any of the subsequent embodiments.

  Embodiment 4: Engaging the heat generating segment and the tobacco rod segment results in the heat generating segment and the tobacco rod segment having only one of the longitudinal ends of the thermally conductive strip as the heat generating segment. Or the combination thereof according to any of the preceding or subsequent embodiments comprising engaging the outer packaging material so as to at least partially overlap with the outer packaging material.

  Embodiment 5: Engaging a spacer element with the heat generating segment such that the spacer element and the tobacco rod segment cooperate with the thermally conductive strip to define a longitudinally extending cavity. And the spacer element is one of thermal conductivity and breathability, or the method or combination thereof according to any of the preceding or subsequent embodiments.

  Embodiment 6: Wrapping the lateral ends of the outer packaging material, the lateral ends of the outer packaging material, and the longitudinally extending cavities are the lateral ends of the thermally conductive strip Any of the preceding or subsequent embodiments comprising wrapping at least partially around the heat generating segment and the tobacco rod segment so as to extend vertically downwardly from an opening defined therebetween Or a combination thereof.

  Embodiment 7: Depositing the plurality of aerosol generating elements comprises pellets, beads, individual small units, carbon pieces, extruded carbon pieces, alumina beads, marmalized tobacco pieces, extruded or compressed Cylindrical or spherical elements, ground tobacco sheets, fillers, flavoring agents, visible aerosol forming materials, binders, oval elements, amorphous elements, fine pieces, flakes, elements containing tobacco, elements containing visible aerosol forming materials And a plurality of aerosol generating elements selected from the group consisting of combinations thereof, wherein the plurality of aerosol generating elements are deposited in the longitudinally extending cavity. Methods or combinations thereof.

  Embodiment 8: Depositing the plurality of aerosol generating elements comprises selecting a plurality of forms of the aerosol generating elements and depositing each of the selected forms of the aerosol generating elements separately in the cavity. The method or a combination thereof according to any of the preceding or subsequent embodiments comprising.

  Embodiment 9: Depositing the plurality of aerosol generating elements selects a plurality of forms of the aerosol generating elements and combines the selected forms of the aerosol generating elements to produce an aerosol generating element mixture The method or combination thereof according to any of the preceding or subsequent embodiments, comprising depositing a mixture in the cavity.

  Embodiment 10: Depositing the plurality of aerosol generating elements comprises filling the plurality of aerosol generating elements into the longitudinally extending cavity with at least about 65% of the cavity with the aerosol generating element. Or the combination thereof as described in any of the preceding or subsequent embodiments.

  Embodiment 11: Closing the longitudinally extending cavity causes the lateral ends of the thermally conductive strip to abut against each other such that the lateral ends of the thermally conductive strip abut each other. The method or combination thereof according to any of the preceding or subsequent embodiments comprising wrapping around an aerosol generating element.

  Embodiment 12: Closing the longitudinally extending cavity causes the aerosol generation such that the lateral ends of the thermally conductive strip overlap the lateral ends of the thermally conductive strip The method or a combination thereof according to any of the preceding or subsequent embodiments comprising wrapping around an element.

  Embodiment 13: Closing the longitudinally extending cavity between the overlapping lateral ends of the outer packaging material to seal together the lateral ends of the outer packaging material The method or combination thereof as described in any of the preceding or subsequent embodiments comprising applying a seam sealing adhesive.

  Embodiment 14: An apparatus for forming an elongated smoking article, wherein the apparatus spaced the heat generating segment and the tobacco rod segment longitudinally relative to the length of the outer packaging material. An assembly mechanism configured to engage in relationship, wherein the outer packaging material has a thermally conductive strip engaged therewith, the thermal conductive strip being at the length of the outer packaging material. At least one of the heat generating segment and the tobacco rod segment at least partially with one of the longitudinal ends of the thermally conductive strip. The overlapping assembly mechanism and the lateral end of the outer wrapping material cooperate with the heat-generating strip and the tobacco rod segment in cooperation with the thermally conductive strip. Around the heat generating segment and the tobacco rod segment to define a longitudinally extending cavity accessible between the lateral end of the packaging material and the lateral end of the thermally conductive strip And a plurality of aerosol generating elements configured to deposit within the longitudinally extending cavity between the lateral ends of the thermally conductive strip. A dispensing mechanism configured to: and a sealing mechanism configured to close the longitudinally extending cavity by sealing together the lateral ends of the outer packaging material. Including the device.

  Embodiment 15: The apparatus of any preceding or subsequent embodiment, or further thereof, further comprising a lamination mechanism configured to engage the thermally conductive strip with the length of the outer packaging material combination.

  Embodiment 16: Either prior or subsequent, wherein the laminating mechanism is configured to engage the thermally conductive strip to the outer packaging material by applying a laminating adhesive therebetween The device described in the embodiment or a combination thereof.

  Embodiment 17: The assembly mechanism causes the heat generating segment and the tobacco rod segment to be placed on the outer side such that only the heat generating segment at least partially overlaps one of the longitudinal ends of the thermally conductive strip. The device or combination thereof according to any of the preceding or following embodiments, configured to engage a packaging material.

  Embodiment 18: The heat generating segment such that the assembly mechanism defines a spacer element such that the spacer element and the tobacco rod segment cooperate with the thermally conductive strip to define a longitudinally extending cavity. The device or combination thereof according to any of the preceding or subsequent embodiments, wherein the device is configured to engage the spacer element and the spacer element is one of thermal conductivity and breathability.

  Embodiment 19: The wrapping mechanism is disposed at a lateral end of the outer wrapping material downward from an opening in which the longitudinally extending cavity is defined between the lateral ends of the thermally conductive strip. The device according to any of the preceding or subsequent embodiments, or any of them, configured to wrap at most partially around the heat generating segment and the tobacco rod segment to extend vertically combination.

  Embodiment 20: The dispensing mechanism comprises pellets, beads, discrete small units, carbon pieces, extruded carbon pieces, alumina beads, marmalized tobacco pieces, extruded or compressed cylindrical or spherical elements , Ground tobacco sheets, fillers, flavoring agents, visible aerosol forming materials, binders, oval elements, amorphous elements, fine pieces, flakes, elements including tobacco, elements including visible aerosol forming materials, and combinations thereof The apparatus of any of the preceding or subsequent embodiments, or any of them, configured to deposit the plurality of aerosol generating elements selected from the group consisting of the longitudinally extending cavities combination.

  Embodiment 21: The dispensing mechanism is configured to allow selection of a plurality of forms of the aerosol generating element and comprises a separate dispensing device for each of the selected forms of the aerosol generating element The apparatus or combination thereof according to any of the preceding or subsequent embodiments, wherein each dispensing device is configured to dispense the corresponding form of the aerosol generating element into the cavity.

  Embodiment 22. The apparatus or combination thereof according to any of the preceding or subsequent embodiments, comprising a dispensing device configured to deposit the mixture in the cavity.

  Embodiment 23: The dispensing mechanism deposits the plurality of aerosol generating elements within the longitudinally extending cavity such that the cavity is at least about 65% filled with the aerosol generating element. The device as described in any of the preceding or subsequent embodiments, or a combination thereof.

  Embodiment 24: The sealing mechanism wraps the lateral ends of the thermally conductive strip around the aerosol generating element such that the lateral ends of the thermally conductive strip abut each other. The device according to any of the preceding or subsequent embodiments, or a combination thereof.

  Embodiment 25: The sealing mechanism is configured to wrap the lateral ends of the thermally conductive strip around the aerosol generating element such that the lateral ends of the thermally conductive strip overlap. The device or combination thereof according to any of the preceding or subsequent embodiments.

  Embodiment 26: A seam sealing adhesive is applied between the overlapping side edges of the outer packaging material so that the sealing mechanism seals the side edges of the outer packaging material together The device or a combination thereof according to any of the preceding or subsequent embodiments, configured to do so.

  These and other features, aspects and advantages of the present disclosure will become apparent upon reading the following detailed description in conjunction with the accompanying drawings briefly described below. This disclosure is specifically combined with two, three, four, or more features or elements described in this disclosure, or is otherwise listed in the description of specific embodiments herein. Or any combination of such features or elements. This disclosure is considered to be that any separable feature or element of this disclosure is intended to be combinable in any of its aspects and embodiments, ie, unless the context of this disclosure clearly indicates otherwise. It is intended to be read generally as it should be.

  Additional features and advantages of the disclosure will be described in more detail in the following description.

  Reference will now be made to the appended drawings, which describe the present disclosure in general terms, but which are not necessarily drawn to scale.

FIG. 3 schematically illustrates a longitudinal cross-sectional view of an exemplary smoking article according to one aspect of the present disclosure. FIG. 2 schematically illustrates an enlarged cross-sectional end view along line 2-2 in FIG. 1 of an aerosol-generating segment of an exemplary smoking article according to one aspect of the present disclosure. Fig. 4 schematically illustrates a continuous web or strip section of packaging material used to produce a series of two-up composite upstream rods in accordance with an aspect of the present disclosure. FIG. 6 schematically illustrates a longitudinal cross-sectional view of a continuous rod comprised of a series of two-up composite upstream rods in accordance with an aspect of the present disclosure. 2 schematically illustrates a two-up composite upstream rod in accordance with an aspect of the present disclosure. Fig. 3 schematically illustrates a smoking article with a two-up composite filter according to one aspect of the present disclosure. FIG. 3 schematically illustrates a longitudinal cross-sectional view of an exemplary smoking article according to one aspect of the present disclosure. Fig. 3 schematically illustrates a continuous web or strip of packaging material used to produce a series of two-up composite upstream rods. FIG. 3 schematically illustrates a longitudinal cross-sectional view of an exemplary smoking article according to one aspect of the present disclosure. FIG. 6 schematically illustrates a longitudinal cross-sectional view of a continuous rod comprised of a series of two-up composite upstream rods in accordance with an aspect of the present disclosure. Fig. 3 schematically illustrates a smoking article with a two-up composite filter according to one aspect of the present disclosure. FIG. 3 schematically illustrates a longitudinal cross-sectional view of an exemplary smoking article according to one aspect of the present disclosure. 1 schematically illustrates an apparatus for forming an elongated smoking article according to one aspect of the present disclosure. FIG. 6 schematically illustrates an alternating arrangement of dispensing arrays for depositing aerosol generating elements within a smoking article, in accordance with aspects of the present disclosure. FIG. 6 schematically illustrates an alternating arrangement of dispensing arrays for depositing aerosol generating elements within a smoking article, in accordance with aspects of the present disclosure. Fig. 3 schematically illustrates a method for forming an elongated smoking article according to one aspect of the present disclosure.

  The present disclosure will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all, aspects of the disclosure are shown. Indeed, the present disclosure may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are Provided to meet legal application requirements. Like numbers refer to like elements throughout.

  Referring to FIG. 1, a smoking article 10 in the form of a cigarette representative of the present invention is shown. The smoking article 10 has a generally rod-like shape and includes an ignition end 14 at one extreme. Preferably, the smoking article 10 has the overall size, shape, and general appearance of a filtered cigarette.

  A substantially cylindrical heat generating segment 24 extending in the longitudinal direction is located at the ignition end 14. A typical heat generating segment 24 includes a heat source or fuel element 27 that is coaxially surrounded by an insulator 30, which is then coaxially surrounded by a packaging material 35. The heat source 27 is preferably configured to operate by direct ignition of the ignition end 14. That is, the heat source or fuel element is designed to generate heat by igniting and burning. Preferably, the fuel element incorporates a combustible carbonaceous material (eg, a material consisting primarily of carbon), and most preferably, the fuel element consists primarily of a carbonaceous material. Preferably, the insulator is provided in the form of a nonwoven mat of glass filaments.

  Preferably, the packaging material 35 surrounding the insulator 30 is R.D. J. et al. Paper wrapping materials such as paper wrapping materials of the type used as a surrounding wrapping material in the insulator region of the cigarette heat source segment sold under the trade name “Eclipse” by Reynolds Tobacco Company. Alternatively, the packaging material 35 is R.D. J. et al. Tobacco-containing paper of the type used as a layer in the insulator region of the cigarette heat source segment sold under the trade name “Eclipse” by Reynolds Tobacco Company; J. et al. Cigarettes gathered tobacco paper segment sold under the trade name “Premier” by Reynolds Tobacco Company, or Lawson et al. US Pat. No. 5,065,776 and Arzonico et al. , 271,419, may be provided in the form of tobacco-containing paper or reconstituted tobacco paper material.

  Preferably, each end of the heat generating segment 24 is open to expose the end of each of the fuel element 27 and the insulator 30. In this way, the drawn air can easily pass through it. The fuel element 27 and the surrounding insulator 30 are both coextensive in length (ie, the end of the insulator is coplanar with the corresponding end of the fuel element, specifically heat generation. At the downstream end of the segment). Optionally, the insulator 30 may extend slightly beyond one or both ends of the fuel element 27 (eg, about 0.5 mm to about 2 mm).

  The cross-sectional shape and dimensions of the heat generating segment 24 prior to combustion can vary. Preferably, the cross-sectional area of the fuel element 27 occupies from about 10 percent to about 35 percent of the total cross-sectional area of the segment, and often from about 15 percent to about 25 percent, while the cross-sectional area of the outer or surrounding region (insulation) Body 30 and associated outer wrapping material) comprise about 65 percent to about 90 percent, and often about 75 percent to about 85 percent of the total cross-sectional area of the segment. For example, for a cylindrical smoking article 10 having an outer periphery of about 24 mm to about 26 mm, an exemplary fuel element 27 has an outer diameter of about 2.5 mm to about 5 mm, often about 3 mm to about 4.5 mm. It has a substantially circular cross-sectional shape.

  The smoking article 10 also has a mouth end 38 at the extreme opposite the ignition end 14, which is considered downstream of the ignition end. A filter segment 40 is located at the mouth end 38. A typical filter segment 40 is in many respects equivalent to the type of filter element typically used in cigarette manufacture, and may be a single segment filter element or a multi-segment filter element. For illustration purposes only, the filter segment 40 comprises an upstream piece 42 comprising a cylindrical plug of filter material 44 (eg, plasticized cellulose acetate tow) surrounded by an outer plug wrap 45 (eg, paper plug wrap); A two-piece segment having a downstream piece 47 comprised of a tubular filter plug 48 (eg, a plasticized cellulose acetate tow hardening tube). Filter pieces 42, 47 are combined to form filter segment 40 using plug wraps 49 that surround the outer longitudinal surfaces of both pieces.

  Located directly below the heat generating segment 24 is an aerosol generating segment 55 comprised of a plurality of pellets or beads or other suitable elements or combinations 58 concentrically surrounded by a generally tubular heat conductive member 60. The overall configuration of the aerosol generating segment 55 in the smoking article 10 can be considered substantially cylindrical in nature. Exemplary preferred beads 58 are produced from a formulation that incorporates tobacco, tobacco components, and / or materials derived from tobacco. Beads 58 most preferably incorporate flavoring agents and visible aerosol forming materials (eg, glycerin or other materials that generate visible vapors similar to smoke). That is, the components of the beads 58 are preferably configured to serve as substrate components for the volatile flavoring agent, vapor forming material, and aerosol forming material carried thereby. In other embodiments, some or all of the beads or pellets can be spherical capsules loaded into the aerosol generating segment so that they burst when heated to release glycerin and tobacco flavoring and / or nicotine. May be heat sensitive. Also, in some embodiments, the beads can consist of, for example, alumina, absorbent clay, silica, and / or absorbent carbon to retain and release the aerosol former.

  The heat generating segment 24 and the aerosol generating segment 55 are considered physically separated from each other, and for the embodiment shown, these segments have a downstream end of the heat generating segment (ie, an upstream end of the aerosol generating segment (ie, , Positioned to abut the back of the fuel element 27 and the surrounding insulator 30). That is, the heat generating segment 24 and the aerosol generating segment 55 are axially aligned in a continuous end-to-end relationship and most preferably abut against each other. For example, even though some of the pellets 58 are physically separated and positioned downstream of the heat generating segment 24, it is highly preferred that they are in physical contact with the downstream internal surface or front of the heat generating segment. Alternatively, these segments 24, 55 may be slightly spaced from each other so that each of the opposite ends of each segment does not necessarily physically contact the other, in such circumstances, the smoking article 10 If an additional segment or spacer element, acting as a spacer or screen (not shown but see eg element 134 in FIG. 7), positioned substantially perpendicular to the longitudinal axis, provides physical separation of these two segments At the same time, the heat conduction relationship can be maintained. That is, the spacer element 134 may preferably be thermally conductive and / or arranged to conduct heat from the heat generating segment 24 to the aerosol generating segment 55.

  The longitudinally extending outer surface of the aerosol generating segment 55 is constructed from a layer of thermally conductive material 60 (eg, a layer or strip of metal foil). That is, the exemplary aerosol generating segment 55 carries a plurality of pellets and / or other suitable elements 58 that are surrounded along the length by a layer of strip of metal foil 60. A typical metal foil is, for example, an aluminum foil having a thickness of about 0.01 mm to about 0.05 mm. Preferably, the metal foil 60 extends along the entire length of the outer coaxial surface of the aerosol generating segment 55, and the metal foil is in the region adjacent to the aerosol generating segment 55 of the heat generating segment 24. It also preferably extends (ie, at least partially overlaps) on the outer coaxial surface 63 (including optional spacer elements 134).

  Directly below the aerosol generating segment 55 (and just above the filter segment 40) provides length and structure to the tobacco segment 68, or smoking article 10, while providing flavor or otherwise smoking article during use. There are other types of segments that serve to enhance the sensory properties conferred by. For the embodiment shown, the tobacco segments 68 are considered physically separated from the aerosol generating segment 55 and also from the filter segment 40, and for the embodiment shown, these segments are aerosol generating segments. The downstream end of the tobacco segment is abutted against the upstream end of the tobacco segment, and the downstream end of the tobacco segment is positioned to abut the upstream end of the filter segment. The exemplary tobacco segment 68 carries a roll of filler or tobacco filler 72 wound in an enclosing paper wrapping material 76 and thus has the general form of a tobacco rod. In some aspects, up to about 10.5 mg of menthol can be added to tobacco, or tobacco segment 68, in a tobacco rod. However, in other embodiments, it may be preferable to add any flavoring or other functional enhancer to the aerosol generating segment 55.

  For the embodiment shown, there are four segments (i.e., heat generating segment 24, aerosol generating segment 55, tobacco rod segment 68, and filter segment 40, which are each arranged in abutting end-to-end relationship. Each shape is generally cylindrical and each of the segments is open at each end so that air can flow easily through these segments (ie, the air is Can enter the upstream end 14 and exit the downstream end 38).

  The heat generating segment 24, the aerosol generating segment 55, and the tobacco segment 68 are positioned end to end and are three physically separated but generally abutting cylindrical segments (and, for example, If an optional spacer element (not shown but see element 134 in FIG. 7, for example) is implemented between the back or downstream region of the heat generating segment and the front or upstream region of the aerosol generating segment, Arranged to have the shape of a generally cylindrical rod carrying any additional cylindrical segments). These three upstream segments are then superimposed on the outer wrapping material (ie, paper sheet) 80 on their corresponding outer coaxial surfaces. Thus, an upstream composite rod 84 is provided as a result of the combination of the three upstream segments (see, eg, FIG. 9). Although not shown, at least a portion of the area of the outer packaging material 80 that covers the heat generating segment 24 is perforated or otherwise made relatively breathable for the transmission of air therethrough? Or, provided in a highly porous form, in this manner, an enhanced atmospheric source for combustion of the fuel element is provided.

  The upstream composite rod 84 physically connects to the filter segment 40. For the embodiment shown, a layer of tipping material 88 (eg, tipping paper) surrounds the outer peripheral surface of filter segment 40 and the adjacent region of outer packaging material 80 of composite rod 84 (ie, at least a portion of composite rod 84). (See also FIG. 12). Optional air dilution holes 92 may be provided through selected regions of the chipping material 88, the outer packaging material 80 under the tobacco rod 68 and the underlying packaging material 76. In some aspects, the air dilution holes 92 may be configured to provide, for example, about 24% air dilution.

  In use, the mouth end 38 of the smoking article 10 is inserted into the smoker's mouth. The fuel element 27 located at the ignition end 14 of the smoking article 10 is ignited (eg, using a lighter) to generate heat as the fuel element burns. The fuel element 27 and the aerosol generating segment 55 are configured to be in a heat exchange relationship. That is, the heat generated by the combustion of the fuel element 27 acts to heat beads or other elements 58 located in the aerosol generating segment 55 near or adjacent thereto. In addition, the heat resulting from the combustion of the fuel element 27 is transferred to a heat conducting layer 60 that surrounds the length of the aerosol generating segment 55, thus heating the beads 58 located within the aerosol generating segment. When the smoker sucks the mouth end 38 of the smoking article 10, the air enters the ignition end 14 of the smoking article 10 and is heated by the fuel element 27, and the hot air passes through the aerosol generation area 55, thereby generating the aerosol generation area. Heat the beads. The drawn air also passes through the tobacco rod segment 68, exits the filter element 40, and enters the smoker's mouth. During smoking, the savory aerosol generated from the action of heat on the components of the aerosol generating segment 55 and the components of the tobacco rod 68 is drawn into the smoker's mouth. That is, the smoking article described with reference to FIG. J. et al. It can be used in much the same manner as cigarettes sold commercially under the trade name "Eclipse" by Reynolds Tobacco Company and "Steam Hot One" by Japan Tobacco Inc. As a result, when smoking, a highly preferred smoking article 10 results in a savory and visible mainstream aerosol that results primarily from the volatilized components of the aerosol generating segment 55 and tobacco rod segment 68, which visible tobacco is a tobacco cut filler. The traditional types of cigarettes that burn are similar in many ways to mainstream cigarette smoke.

  The aerosol produced by the smoking article 10 includes air-containing components such as vapor, gas, suspended particles and the like. The aerosol component may be some form of tobacco (and optionally, for example, when the tobacco is incorporated into the fuel element 27 or as a component within the insulator 30 or surrounding package 35, etc. Burning other components that generate heat by burning), heating the tobacco, and scorching the tobacco (or otherwise, for example, tobacco beads in physical contact with the burning fuel element 27) Can be generated by tobacco pyrolysis caused by causing some form of smoldering in the tobacco, such as when 58 is heated, and by vaporizing the aerosol forming material. As such, the aerosol may contain volatilized components, combustion products (eg, carbon dioxide and water), incomplete combustion products, and pyrolysis products. Preferably, the levels of incomplete combustion products and pyrolysis products are very low compared to the levels characteristic of tobacco products that produce smoke by burning tobacco cut filler. However, the aerosol component is most preferably by the action of heat from burning the combustion element (and optionally other components that burn and generate heat) for materials located in a heat exchange relationship. It may be generated. That is, aerosol is generated as a result of the action of the heat generating segment on the components of the aerosol generating segment. Preferably, the components of the aerosol generating segment tend to cause a significant degree of pyrolysis (eg, as a result of combustion, smoldering, or pyrolysis) during normal use conditions of the smoking article. As such, it has an overall composition and is positioned within the smoking article.

  The overall dimensions of the smoking article 10 before igniting for use can vary. Typically, a typical smoking article is a cylindrical rod having an outer periphery of about 24 mm to about 27 mm and has an overall length of about 70 mm to about 120 mm, often about 80 mm to about 100 mm. A typical heat generating segment 24 typically has a length of up to about 30 mm, often up to about 20 mm, and frequently from about 10 mm to about 15 mm. The aerosol generating segment 55 typically has a length of up to about 30 mm, often up to about 25 mm, frequently about 10 mm to about 20 mm. Frequently, the length of each of the tobacco rod 68 segment and the filter element 40 segment can vary as desired. For example, exemplary tobacco rod segment 68 has an overall length of about 20 mm to about 50 mm, often about 30 mm to about 40 mm, and exemplary filter segment 40 is about 10 mm to about 35 mm, often It has a length of about 20 mm to about 30 mm.

  For purposes of example, a typical smoking article 10 has a length of about 83 mm and an outer diameter of about 25 mm. Such a cigarette 10 comprises a cylindrical heat generating segment 24 having a length of approximately 12 mm, a cylindrical aerosol generating segment 55 having a length of approximately 13 mm, comprising a plurality of beads 58, and a tobacco having a length of approximately 37 mm. It has a rod segment 68 and a filter segment 40 having a length of about 21 mm. The filter segment 40 has an upstream piece 42 consisting of a cylindrical plug of plasticized cellulose acetate tow having a length of about 10 mm, and a downstream part 47 consisting of a vapor-bonded plasticized cellulose acetate tube having a length of about 11 mm. Is a two-piece construction. The cigarette upstream composite rod 84 is constructed using a 62 mm long outer wrapping material 80 having a width of about 27 mm and wrapped so that there is a wrap seam of about 2 mm. A layer or patch of metal foil 60 having a thickness of about 0.04 mm, a length of about 17 mm, and a width of about 25 mm is the length of the aerosol generating segment 55 and the adjacent downstream region of the heat generating segment 24 of about 4 mm. Extending over the length of. The aerosol generating segment 55 has the form of a generally cylindrical hollow cavity 57 in which about 120 to about 150 generally spherical beads 58 having an average diameter or nominal diameter of about 0.5 mm to about 2 mm. An accumulation of (for example, about 130 approximately spherical beads having a nominal diameter of 1.5 mm) is located. For example, a plurality of beads 58 weighing from about 300 mg to about 400 mg (preferably from about 335 mg to about 350 mg) can be positioned within a cavity 57 that is designed to provide its aerosol generating segment. Preferably, enough beads are loaded into the cavity 57 of the aerosol generating segment to fill at least about 65 percent of the maximum fill of the cavity with beads or other suitable elements 58, in some examples at least Provide about 75 percent fill, in other examples at least about 85 percent fill, and in some situations at least about 95 percent. The filter segment 40 uses 30-40 gsm of surrounding standard chipping paper that surrounds the outer longitudinal surface of the filter segment and overlaps the adjacent 10 mm area of the outer packaging material 80 that covers the tobacco rod segment 68. And attached to the upstream composite rod 84. The circumscribed ring of the individual air dilution holes 92 is located approximately 15 mm from the cigarette tip extreme 38.

  Referring to FIG. 2, an enlarged cross-sectional view of an aerosol generating segment 55 of a smoking article 10 of the type previously described with reference to line 2-2 of FIG. 1 is shown. That is, a preferred arrangement of a thermally conductive metal foil or foil strip 60 enveloping a longitudinally extending surface outside the aerosol generating segment 55 and an outer packaging material 80 covering that segment of the smoking article is shown. A plurality of beads or other suitable elements 58 are located within the inner longitudinally extending tubular cavity 57 defined by the array of metal foils 60. A typical foil has a thickness of about 0.02 mm. For the embodiment shown, the metal foil 60 is formed in a generally circular shape such that each end extending laterally abuts the other. For example, these side edges may abut each other (shown in FIG. 2) or may abut each other (so that a slight gap or air gap emerges between these two side edges). , One of the side ends may slightly overlap the other, or the side ends may otherwise be arranged to align with each other. In some preferred examples, the side edges of the metal foil 60 may meet in an abutted or nearly abutted relationship, but the side edges are not necessarily joined, welded, glued or secured together. There is no need to be done.

The laterally extending end of the outer wrapping material (ie, elongated paper sheet) 80 is wrapped or overlapped by overlapping one lateral end portion of the outer wrapping material with the opposite lateral end portion. 95 are arranged. A suitable adhesive material secures these side end portions together to secure the outer wrapping material around the heat conductive foil 60 of the heat generating segment 55 in a generally tubular fashion. Applies to areas of An exemplary lap seam adhesive material is provided as an adhesive formulation available from Henkel Corporation as Code 2010-57. For example purposes, a typical outer packaging material is a wrapping paper consisting of wood pulp and calcium carbonate treated with sodium citrate and potassium citrate, which has a basis weight of about 50 g / m 2. , Delift Group Specialty Papers Inc. To Item I. D. It can be used as 200008033. In addition, for example purposes, the metal foil 60 and outer wrapping material 80 typically use a coating of a suitable adhesive material (eg, an adhesive formulation available as Code 32-220B from Henkel Corporation). Are bonded or laminated together.

  Referring to FIG. 3, there is shown a view of a portion of a continuous web of packaging material or paper sheet 80 used to provide the outer packaging of the preferred upstream composite rod previously described with reference to FIG. (See also FIG. 8). Since a typical continuous web 80 that can be provided as a tape-like strip from a bobbin or other suitable source has a width of about 27 mm, the web is cylindrical with an outer diameter of about 25 mm and an overlapping seam of about 2 mm. Designed to provide a rod. A series of patches or strips of thermally conductive strips, such as metal foil 60, are positioned along the web 80 in a staggered but constant predetermined interval. Each foil patch or strip 60 extends along at least a portion of the length of the heat generating segment along the length of the web by a distance approximately corresponding to the distance that the foil extends along the length of the aerosol generating segment. , And in some examples, (optionally) extend along at least a portion of the length of the tobacco rod segment. That is, the foil patch or strip 60 extends longitudinally along the packaging material 80 by the length of the aerosol generating segment 55 and at least partially overlaps the heat generating segment 24. In some examples, the foil patch or strip 60 may also extend longitudinally and at least partially overlap the tobacco rod segment 68. If desired, although not shown, the areas of web 80 corresponding to the areas of the various heat generating segment locations are perforated or otherwise made porous or permeable to allow air to pass therethrough. Can strengthen. The first distance f of separation between two adjacent foil patches or strips 60 is the sum of the lengths of the two heat generating segments, and whether each heat generating segment is covered by each of the respective foil patches or strips. Or it corresponds to the product of subtracting twice the overlapping length. Thus, for example, in the case of a two-up heat generating segment having a length of 24 mm (ie, two heat generating segments each 12 mm long), each downstream end having a 4 mm metal foil overlap, The separation distance f of the foil patch to be performed is 16 mm. The second distance t of separation between two adjacent foil patches corresponds to the sum of the lengths of the two tobacco rod segments. Thus, for example, in the case of a two-up tobacco rod segment having a length of 74 mm (ie, two tobacco rods each 37 mm long), the separation distance t between two adjacent foil patches is 74 mm and the spacing Is reduced accordingly when a portion of the foil patch or strip covers or overlaps an adjacent region of the tobacco rod segment. Thus, the spacing between adjacent patches or strips along the length of the continuous web is a staggered alternating pattern of f, t, f, t, f, t (and so on). As a result, the metal foil strips or patches 60 are located on the continuous web 80 in a staggered but constant repeating pattern, and most preferably the metal foil patches or strips are each aerosol corresponding to the corresponding aerosol of the smoking article. It is positioned and aligned in a predetermined manner to align with the location of the generation segment. In addition, each of the representative foil patches has a width of about 25 mm, and laterally so as not to cover the area of the web 80 intended to provide an overlapping seam, as indicated by the distance s. Positioned. A light monitoring device and / or other monitoring device may be included in or with the assembly machine, during assembly of the smoking article, other smoking article components (eg, heating element / heat generating segment and tobacco rod / In order to maintain the correct alignment / alignment of the foil patch / strip with the tobacco rod segment) it can be incorporated into the operation.

  Referring to FIG. 4, a portion of a continuous rod 105 consisting of a series of two-up upstream composite rods 108 is shown. A continuous series of two-up heat generating segment 110, aerosol generating segment 55, two-up tobacco rod segment 115, and aerosol generating segment 55 are shown. Each two-up heat generating segment 110 is then cut in half along the line 5-5 as shown, either perpendicularly or horizontally to its longitudinal axis. Thus, a continuous pattern of intermediate two-up heat source segments 110 and intermediate two-up tobacco rod segments 115 is arranged on a continuous web of outer packaging material 80 for each aerosol generating segment 55 defined by a metal foil patch or strip. And a continuous web of outer packaging material, each holding a segment of such metal foil 60 that defines the location of the aerosol generating segment 55 in spaced, preselected areas along the outer packaging material 80 in the longitudinal direction. Provided.

  The positioning of such foil strips or segments 60 on a continuous web or paper sheet is offset by a predetermined patterning relationship. That is, for the embodiment shown, the distance separating one end of the foil segment 60 from the opposite end 60 of the adjacent foil segment is equal to the length of the two-up tobacco rod 115, while that foil segment The distance separating the other end of 60 from the other adjacent foil segment 60 is equal to the length of the two-up heat source segment 110 minus the overlap at each end of that segment 110. Thus, for example, for continuous webs used in the manufacture of a series of continuous two-up rods, two-up tobacco rods, foil strips, two-up heat generating segments, foil strips, two-up tobacco rods, foil strips, two-ups A continuous arrangement on the web of heat generating segments, foil strips (and so on) is provided.

  The continuous web or elongate paper sheet 80 is formed to overlap various segments and create a type of hollow longitudinally extending cavity 57 in the region 120 defined by the location of the foil strip 60. That is, the outer wrapping material 80 is at most partially wrapped around the heat generating segment 24 and the tobacco rod segment 68 (ie, so as to form an elongated “U” channel) and adjacent thereto. One or more spaced cavities may be formed defined by the cooperation of the heat generating segment 24 and tobacco rod segment 68 and the thermally conductive strip 60 disposed therebetween. Such partial wrapping, for example, by an assembly mechanism, causes the outer wrapping material 80 to be biased against the corresponding peripheral edges of the heat generating segment 24 and tobacco rod segment 68 engaged therewith and partially coincides with the peripheral edges. Can be provided. Prior to providing a complete overlap of the continuous rods thus formed, a predetermined amount of beads or other suitable elements 58 are placed between adjacent heat generating segments 24 and tobacco rod segments 68 and between them. Disposed in each cavity 57 defined by cooperation with a thermally conductive strip 60 disposed. Thus, sealing the continuous rod 105 forms each fully manufactured aerosol generating segment 55.

  Accordingly, such aspects of the present disclosure provide a method and apparatus for forming the disclosed smoking article, wherein a plurality of aerosol generating elements are for delivery to and incorporation into a smoking article. Incorporating multiple individual aerosol generating elements into a smoking article without necessarily needing to be carried by a support member to be in a unitary form or to maintain the plurality of aerosol generating elements in a combined form Enable. However, those skilled in the art will understand that incorporating a plurality of aerosol generating elements in a coherent form with or without a carrier member can be implemented as a further aspect of the present disclosure. Further, such aspects of the disclosed devices and methods may include, for example, pre-forming a cylindrical member from an outer wrapping material, after which various components, including individual aerosol generating elements, may be placed in appropriate lengths within a smoking article. Because of directional positioning, the complexity associated with longitudinal insertion through the end of the cylindrical member is avoided. A plurality of aerosol generating elements can be inserted directly into cavities 57 disposed at appropriate locations along the length of the outer packaging material, and upon insertion, carefully positioned heat generating segments (and optional spacer elements) ) And a tobacco rod segment, so that a faster manufacturing process can be achieved (ie, the smoking article can have, for example, any of its components placed on the outer packaging material at the time of its formation. To be introduced through one of the directional ends, can be manufactured “in-line” or in a single orientation (ie, horizontal orientation) without changing its orientation), in addition, such as a thermally conductive strip / foil, etc. Greater efficiency, accuracy, and accuracy in bringing various other components of the smoking article into engagement with the outer packaging material may also be achieved. In this way, significant cost savings can also be realized.

  The manner in which typical smoking articles are manufactured can vary. The web or bobbin of packaging material can be manufactured and supplied using known techniques. Various patches or strips of metal foil or suitable thermally conductive strips can also be manufactured and supplied using known techniques. The foil patches or strips can be applied in place on a continuous web of packaging material using equipment such as that supplied by Montrade Srl and Struse Corporation. The various segments of the upstream composite rod can be arranged in place on the continuous web using equipment such as those available from Hauni Machinechinbau AG to Merlin and from Montrad to Combi. The various cavities created along the continuous partially formed rod can then be filled with pellets, beads, flakes, fillers, or other suitable elements, or combinations thereof. Filling the various cavities with the material that provides the aerosol-forming component is a pneumatic device, or other drip or down of these cavities with the desired material or appropriate element or other to provide gravity-promoting filling It can be achieved using suitable means. The partially sealed continuous rod thus formed is then transported to a rod forming unit (eg, a device of the type commonly used in the tobacco industry for the production of continuous filter rods) and foil strips 60 and / or continuous web 80 is sealed to form a continuous rod consisting of a repeating pattern of composite rods.

  With reference to FIG. 5 (see also FIG. 10), the continuous rod shown in FIG. A representative two-up upstream composite rod 108 is shown cut at its longitudinal center. Such composite rods 108 are provided as a series of two-up upstream composite rods, each having a central two-up tobacco rod 115 and a heat generating segment 24 at each end (ie, the inner segment of the two-up tobacco rod is Configured as two intermediate segments joined together as a common tobacco rod). Such a two-up upstream composite rod may facilitate handling during manufacture of the smoking article. For example, the two-up rod may be processed using standard types of cigarette component processing and manufacturing equipment. Each two-up upstream composite rod is then cut in half perpendicular to its longitudinal axis (ie, two-up tobacco at the location defined by lines 5-5 in FIG. 5 and lines 10-10 in FIG. 10). Provide two separate upstream composite rods (through the rod).

  Referring to FIG. 6 (see also FIG. 11), a representative two-up filter cigarette 120 provided by positioning the upstream composite rod 84 at each end of the two-up filter segment 130 is shown. Each upstream composite rod is attached to each end of the two-up filter segment using a chipping material to provide a cigarette with a two-up filter (ie, having a configuration of two intermediate filter segments joined together) Two intermediate cigarettes joined together by a common filter segment. Subsequently, each cigarette with a two-up filter is cut in half perpendicular to its longitudinal axis (ie, at the location defined by line 6-6 in FIG. 6 and line 11-11 in FIG. 11). Two final-filtered cigarettes are provided (through the up-filter element) (see, eg, FIG. 12).

  Referring to FIG. 7, a smoking article 10 is shown that is generally similar to that previously shown with reference to FIG. The smoking article 10 carries a thermally conductive layer (ie, foil strip 60) that provides the outer coaxial surface of the aerosol generating segment 55. The thermally conductive layer 60 also covers an optional spacer segment 134 positioned between the heat generating segment 24 and the plurality of beads or other suitable elements 58 of the aerosol generating segment 55. Typically, the spacer segment 134 is generally cylindrical in shape, has a one-piece configuration, and is breathable to allow entrained air to pass through. Most preferably, the spacer segment 134 is thermally conductive so that heat generated by the combustion of the fuel element 27 is easily conducted to the aerosol generating region 55. The length of the spacer segment can vary, and the segment extends from about 5 mm to about 10 mm along the length of the upstream composite rod 84. Typically, the spacer segment 134 is made of a heat resistant material, such as a porous ceramic, a porous graphite material, a metal mesh or screen, a high temperature heat resistant plastic, and the like. In some examples, the spacer element 134 may include, for example, a longitudinally extending air passage that is formed during design / manufacturing, drilled through, or otherwise During its manufacture, the spacer element is molded, extruded or molded. If desired, spacer segment 134 may incorporate a catalytic material, such as a material that incorporates cerium or copper ions or oxides, and / or salts of cerium and copper ions. See, for example, US Pat. No. 8,469,035 to Banerjee et al. And US Patent Application Publication No. 2007/0215168 to Banerjee et al. And US 2011/0180082 to Banerjee et al., Which are incorporated herein by reference. I want.

  The thermally conductive layer or foil strip 60 surrounds (and at least partially overlaps in the longitudinal direction) the longitudinally extending surface outside the heat generating segment 24 in its region 138 adjacent to the aerosol generating segment. The thermally conductive layer 60 also surrounds (and at least partially overlaps in the longitudinal direction) the outer longitudinally extending surface of the tobacco rod 68 in its region 140 adjacent to the aerosol generating segment 55. For example, the thermally conductive layer 60 may extend or overlap about 2 mm to about 6 mm above the downstream longitudinal surface of the heat generating segment 24, and the thermally conductive layer may be upstream of the tobacco rod segment 68. It may extend up to about 10 mm above the surface or overlap.

  The filter element 40 is positioned at one end of the upstream composite rod 84 adjacent to one end of the tobacco rod segment 68 so that the segments are axially aligned in end-to-end relationship and abut each other. A one-piece segment that eliminates any barriers. Preferably, the general cross-sectional shape and dimensions of these aligned segments 24, 55, 134, 68 are essentially identical to each other when viewed in an end view perpendicular to the longitudinal axis of the smoking article 10. These segments are surrounded by a layer of outer packaging material 80. A region of the outer packaging material 80 that covers the heat generating segment 55 is provided with a series of holes 150 (eg, that region of the outer packaging material is perforated with, for example, a series of electrostatic, mechanical, or laser perforations. Thereby allowing the passage of air through a longitudinally extending region of the heat generating segment by providing a porous outer wrap around the heat generating region. The filter element carries a filter material 44 that surrounds and overlaps the surrounding plug wrap material 45 along its longitudinally extending surface. The cigarette can be air diluted by incorporating a circumscribed ring of holes 92 through the chipping material 88 and the plug wrap 45 of the filter element. In one example, the filter material 44 includes plasticized cellulose acetate tow. Both ends of the filter element 40 are open to allow the passage of drawn air therethrough. Such cigarettes can be assembled by suitable modifications of the materials and techniques previously described with reference to FIGS.

  The components of the heat generating segment can vary. One component of the heat generating segment is a fuel element. Suitable heat generating segments and associated fuel elements, as well as representative components, designs and configurations, as well as the manner and methods for producing these heat generating segments and components thereof, are hereby incorporated by reference. US Pat. No. 4,714,082 to Banerjee et al., 4,756,318 to Clearman et al., 4,881,556 to Clearman et al., 4,989 to Clearman et al. 619, Farrier et al. 5,020,548, Clearman et al. 5,027,837, Banerjee et al. 5,067,499, Farrier et al. 5,076,297. No. 5, Clear, et al. No. 5,099,861, Banerjee et al. No. 5,105,831. White et al. 5,129,409, Best et al. 5,148,821, Clearman et al. 5,156,170, Riggs et al. 5,178,167, Shannon et al. No. 5,211,684, Clearman et al. 5,247,947, Clearman et al. 5,345,955, Barnes et al. 5,469,871, Riggs 5,551,451, Meiring et al. 5,560,376, Meiring et al. 5,706,834, Meiring et al. 5,727,571, Borschke et al. 7, No. 836,897, No. 8,119,555 of Banerjee et al., No. 8,469,035 of Banerjee et al., Baner ee et al. US Patent Application Publication No. 2005/0274390, Crooks et al. 2007/0215167, and Banerjee et al. 2007/0215168, and Stone et al. US Patent Application 13 / 448,835, and No. 14 / 036,536 to Conner et al. Other representative types of heat generating segments and associated fuel elements are described in Roberts et al., US Pat. No. 4,819,655, or Takeuchi et al., US Pat. No. 0044818.

  Typically, preferred fuel elements include combustible carbonaceous materials with a high carbon content and may also include components such as graphite or alumina. A typical carbonaceous fuel element is R.I. J. et al. Composition of fuel elements of the type incorporated in cigarettes sold under the trade names “Premier” and “Eclipse” by Reynolds Tobacco Company and “Steam Hot One” by Japan Tobacco Inc. and Can hold component types.

  The heat generating segment most preferably carries a fuel element that is surrounded or otherwise covered by an insulator (eg, a nonwoven mat or a layer of glass filaments or glass fibers), or other suitable material. The insulator may also be provided in a multi-layer configuration including, for example, an inner layer of insulator, an intermediate layer of reconstituted tobacco paper, and an outer layer of insulator. The insulator may be configured and used to support, maintain, and hold the fuel element in place within the smoking article. Preferably, the cylindrical fuel element is concentrically oriented and overlaps the insulator along its longitudinally extending surface. Insulator materials, insulator assembly components, representative insulator assembly configurations in heat generating segments, packaging materials for insulator assemblies, and for producing these components and assemblies Examples of formats and methods are described in US Pat. No. 4,807,809 to Pryor et al., US Pat. No. 4,893,637 to Hancock et al., US Pat. No. 4,938, to Barnes et al. No. 238, Shannon et al. 5,027,836, Lawson et al. 5,065,776, White et al. 5,105,838, Banerjee et al. 5,119,837. Clearman et al., 5,247,947, Banerjee et al., 5,303,720, Clearman et al., 5,345,955, Cas. Y, III et al., 5,396,911, White et al., 5,546,965, Meiring et al., 5,727,571, Wilkinson et al., 5,902,431, Cook Et al., 5,944,025, Thomas et al., 8,424,538, and Sebastian et al., 8,464,726, Stone et al., US Patent Application Publication No. 2012/0042885, and Conner et al. In US patent application Ser. No. 14 / 036,536. The insulator assembly is R.I. J. et al. Within the heat-generating segment of cigarettes of the type sold commercially by the Reynolds Tobacco Company under the trade names “Premier” and “Eclipse” and sold as “Steam Hot One” cigarettes by Japan Tobacco Inc. Built in.

  The components of the aerosol generating segment can vary. The aerosol generating segment incorporates components that can be vaporized, aerosolized, or entrained in air that is drawn through the smoking article during use. Most preferably, these components provide sensory and sensory stimulating effects, such as aroma, flavor, mouthfeel, visible aerosol perception, and the like. Examples of components of an aerosol generating segment that are drawn into the smoker's mouth while inhaling include water (eg, as water vapor), visible aerosol forming material (eg, glycerin), various volatile flavors (eg, Vanillin and menthol), volatile components of tobacco (eg nicotine) and the like.

  Preferred aerosol forming materials produce visible aerosols when provided with sufficient heat or by the action of aerosol forming conditions using components of the smoking article. Highly preferred aerosol forming materials produce visible aerosols that can be considered “smoky”. A preferred aerosol forming material is chemically simple compared to the chemistry of smoke produced by burning tobacco. A preferred visible aerosol forming material is a polyol, and exemplary preferred aerosol forming materials include glycerin, propylene glycol, and mixtures thereof. If desired, the aerosol forming material can be combined with other liquid materials such as water. For example, the aerosol-forming material formulation may incorporate a mixture of glycerin and water, or a mixture of propylene glycol and water. See, for example, various aerosol forming materials referenced in US Patent Application Publication No. 2010/0186757 to Crooks et al., Which is incorporated herein by reference.

  Aerosol-forming materials are carried or supported by the substrate so as to maintain these aerosol materials within the desired area of the smoking article. Exemplary base materials and exemplary formulations incorporating aerosol-forming materials are described in Sensabaugh et al. US Pat. No. 4,793,365, White US Pat. No. 4,893, incorporated herein by reference. No. 5,639, Clearman et al., US Pat. No. 5,099,861, Jakob et al., US Pat. No. 5,101,839, Gentry et al., US Pat. No. 5,105,836, and Brinkley et al., US Pat. , 159,942, Clearman et al., US Pat. No. 5,203,355, Arzonico et al., US Pat. No. 5,271,419, Lekwawa et al., US Pat. No. 5,327,917, Casey, III et al. US Pat. No. 5,396,911, Young et al. US Pat. No. 5,533,530, Clear An US Pat. No. 5,588,446, Jakob et al. US Pat. No. 5,598,868, and Young et al. US Pat. No. 5,715,844, and Nestor et al. US Pat. No. 0066986. Chemical and Biological Studies on New Cigarette Prototypes that Heat Instead of Burn Tobacco, R.A. J. et al. See also Reynolds Tobacco Company Monograph (1988). Exemplary substrate materials include R.I. J. et al. Incorporated into the type of cigarette sold commercially by the Reynolds Tobacco Company under the trade names "Premier" and "Eclipse".

  As used herein, the terms “pellet” and “bead” refer to carbon pieces, extruded carbon pieces cut into pellets, alumina beads, marmalized tobacco pieces, etc., or combinations thereof Is meant to include beads, pellets, or other individual small units or pieces thereof. For example, pellets or beads are formed, cut, or spun into the desired size and shape and then dried to retain the desired configuration, ground tobacco sheets, fillers (eg, granular calcium carbonate), flavors It can be a generally cylindrical or spherical extruded or compressed pellet or bead consisting of a wet mixture or slurry of agent, visible aerosol forming material, and binder (eg, carboxymethylcellulose). However, such “pellets” or “beads” may comprise any suitable element or combination of elements to satisfy the preferred embodiments disclosed herein. For example, some or all of the beads or pellets are heat sensitive so that when deposited in the cavity and exposed to heat, the rupture releases glycerin and tobacco flavor and / or nicotine. A spherical capsule may be included. The beads can also consist of alumina, or absorbent clay, or silica, or absorbent carbon, and can hold and release the aerosol forming agent. Further, in some embodiments, the bead / pellet is a suitable aerosol generating material such as, for example, thermally conductive graphite, thermally conductive ceramic, metal, tobacco deposited on foil, glycerin and flavoring agent (s). Or other suitable materials, or a thermally conductive material such as a suitable cast sheet suitably formed into the desired beads / pellets. In one particular example, the beads / pellets (particles) are about 15% to about 60% finely ground tobacco (eg, a blend of oriental, burley, and flue-cured tobacco, or essentially all flue-cured tobacco). About 15% to about 60% calcium carbonate finely divided particles (or finely divided clay or alumina particles), about 10% to about 50% glycerol (and optionally a small amount of flavoring agent), about 0.25% May consist of ~ 15% binder (preferably carboxymethylcellulose, guar gum, potassium, or ammonium alginate), and about 15% to about 50% water. In another example, beads / pellets (particles), about 30% finely ground tobacco (eg, a blend of oriental, burley, and flue-cured tobacco, or essentially all flue-cured tobacco), approximately 30% carbonic acid Calcium finely divided particles (or finely divided clay or alumina particles), about 15% glycerol (and optionally a small amount of flavoring agent), about 1% binder (preferably carboxymethylcellulose, guar gum, potassium, or alginic acid Ammonium), and about 25% water. In such an example, the particles may be compressed to retain and release glycerol, and upon compression may form a porous matrix that facilitates the movement of aerosol generating components to facilitate efficient aerosol formation. Calcium carbonate or other inorganic fillers can help create porosity within the particles and can also function to absorb heat, which in some cases limits the scorching of aerosol generating components May or may be prevented, and may aid and facilitate aerosol formation. For example, Banerjee et al., US Pat. No. 5,105,831, and Crooks et al. US Patent Application Publication No. 2004/0173229, Conner et al., US 2011/0271971, and Stone, incorporated herein by reference. See also the types of materials described in the aforementioned 2012/0042885.

  In some aspects, if the aerosol generating element comprises beads or pellets (ie, graphite beads comprising tobacco extract and glycerin) that are cast or extruded from the various types of materials described above, for example, “wet” Or before drying, for example, can be rolled between adjacent roller elements to flatten the corresponding bead / pellet shape. In some examples, the various types of materials described above may be extruded in the form of filamentous strands that are gathered together for application in an aerosol generating segment to form a cylindrical rod or other A suitably shaped material (i.e., at a size relative to the beads / pellets used to form the aerosol generating segment) may be formed. After drying, the flattened beads / pellets are then shredded or processed, eg, strands, flakes, or other fillers that include flat segments that are flat or prevent or prevent rounding. A configuration may be formed. Any random configuration resulting from the shredding process may be sufficient. In such an example, the flattened and chopped beads / pellets can then be deposited in a longitudinally extending cavity 57 as an aerosol generating element, the irregular or random configuration of which is, for example, aerosol Multiple intermediate cavities can be encouraged throughout the generating segment, which can then facilitate heat transfer from the heat generating segment to the individual aerosol generating elements within the cavity. That is, heating of the air in the intermediate space within the aerosol generating segment exposes more of the aerosol generating element to heat from the heat generating segment, and can thus result in enhanced or improved heating of the aerosol generating segment.

  In some aspects, the beads / pellets can originate from tobacco material cast on a foil / paper laminate. More specifically, the tobacco material can include, for example, a slurry comprising reconstituted tobacco, glycerin, and a binding material. Such tobacco materials are disclosed, for example, in US Patent No. 5,101,839 to Jakob et al., US Patent Application No. 2010/0186757 to Crooks et al., Which is incorporated herein by reference. In addition, the slurry may incorporate particulate inorganic material (ie, calcium carbonate). The slurry is a foil as disclosed, for example, in Crooks et al., US Patent Application No. 2010/0186757, and Cantrell et al., US Pat. No. 7,647,932, which are also incorporated herein by reference. The cast sheet product cast and assembled on the paper elements of the paper laminate is then dried, for example by application of heat (ie by hot air, microwave drying, etc.). The paper element may, for example, have a particular porosity or texture to facilitate intimate contact and interaction with the slurry, for example by direct contact between the slurry and foil. However, the exemplary embodiments presented herein do not preclude throwing tobacco material (ie, slurry) directly onto a metal foil or other suitable thin film thermal conductor. Such a laminate, when cast, can be formed in a variety of configurations, for example, rolled into a rod-shaped form for use as a tobacco substrate in a smoking article. For example, such a rod-shaped substrate is R.I. J. et al. See Barnes et al., US Pat. No. 5,469.871, incorporated in a type of cigarette sold commercially under the trade name “Eclipse” by Reynolds Tobacco Company. However, in response to this application, the dried cast sheet (i.e., foil / paper / tobacco material can be shredded, diced, or otherwise separated into multiple cast sheet sub-elements; Each such element preferably includes a portion of tobacco material (ie, a substrate) that interacts closely with a portion of the paper element, which paper element is also a foil-paper laminate foil element. The plurality of cast sheet sub-elements then extend in the longitudinal direction of the smoking article disclosed herein as all or part of the aerosol-generating element that forms the substrate. Can be deposited in the cavity.

  Those skilled in the art will recognize that in some situations, cast sheet subelements inserted into the cavity as all or part of the aerosol generating element cooperate to form part of these cast sheet subelements. It will be appreciated that improved heat transfer to the abutment element in the material or cavity may be facilitated. More specifically, in some examples, heat transfer from the heat generating segment to the tobacco material forming the aerosol generating element / substrate material heats the outer periphery of the cavity and the aerosol generating element in contact therewith. Beyond the point of contact between them can be limited by a thermally conductive strip that forms an additional mechanism for conducting heat from the heat generating segments. In embodiments that include a cast sheet subelement inserted into the cavity as all or part of the aerosol generating element, the heat conducting portion of the foil element associated with the cast sheet subelement is, for example, inside the tobacco segment through the aerosol generating segment. A plurality of additional heat conduction paths may be formed extending to That is, it is used as all or part of the aerosol generating element in addition to the direct contact between the heat generating segment and the aerosol generating segment and between the thermally conductive (peripheral) strip and the outer aerosol generating element in the cavity. The cast sheet sub-element provides an additional thermally conductive element interspersed with the entire aerosol generating element in the cavity, thereby enhancing heat transfer from the heat generating segment to the aerosol generating element in the cavity of the aerosol generating segment Or it can improve. That is, one particular advantageous aspect of the present application is that the thermally conductive element is sprinkled across the aerosol generating segment of the disclosed smoking article, from the heat generating segment to the aerosol generating element within the aerosol generating segment. With improving heat transfer. In achieving such an embodiment, for example, as disclosed by Barnes et al., US Pat. No. 5,469.871, for example, R.A. J. et al. Bases implemented in similar products, such as cast tobacco sheet substrate materials that form substrates incorporated into cigarettes of the type sold commercially under the trade name “Eclipse” by Reynolds Tobacco Company It may be further advantageous to chop or process the material.

The pellets or other elements can have a smooth, regular profile (eg, sphere, cylinder, oval, etc.) and / or have an irregular profile (eg, fine pieces, flakes, etc.). In one example, the diameter of each pellet can range from less than about 0.05 mm to about 2 mm. The pellets or other elements may at least partially fill the aerosol generating cavity region of the smoking article described herein. In one example, the volume of the cavity can range from about 500 mm 3 to about 700 mm 3 (eg, the cavity diameter is about 7.5 to about 7.8 mm, the cavity length is about 11 to about 15 mm, A cavity of the smoking article, wherein the cavity has a generally cylindrical shape extending longitudinally along the smoking article). In one example, the mass of the pellet in the cavity can range from about 200 mg to about 500 mg.

  The manner in which the aerosol-forming material is contacted with the substrate material can vary. The aerosol-forming material can be applied to the formed materials, can be incorporated into the processing material during the manufacture of these materials, or can occur within the material. An aerosol forming material such as glycerin can be dissolved or dispersed in an aqueous solution or other suitable solvent or liquid carrier and sprayed onto the substrate material. See, for example, US Patent Publication No. 2005/0066986 to Nestor et al. And 2012/0067360 to Conner et al., Which are incorporated herein by reference.

  The tobacco rod segment can vary. Typically, a tobacco rod segment consists of small pieces or pieces of tobacco cut filler wrapped with a wrapping paper extending in the longitudinal direction. Most preferably, the rod has a generally cylindrical shape and the upstream and downstream ends are open to allow drawn air to pass therethrough. Exemplary tobacco rods, their components, and their mode of manufacture and methods are described in Crooks et al. US Patent Application Publication No. 2007/0215167, which is incorporated herein by reference. If the cigarette (ie, smoking article) is a menthol cigarette, the menthol flavor formulation uses a traditional type of technique for applying menthol to a tobacco rod or other tobacco composition, It can be applied to a tobacco rod, as will be understood by those skilled in the art.

  If desired, the tobacco rod segment can be replaced by or combined with a similarly sized segment, but can consist of materials other than or in addition to tobacco cut filler. For example, the tobacco cut filler may be replaced by an open cell extrudate (eg, an extrudate of starch, tobacco, etc.) that allows entrained air to pass through. Alternatively, the tobacco cut filler is replaced by a vapor bonded plasticized cellulose acetate tube that provides elasticity, structure, and length to the smoking article while allowing the passage of drawn air through it. May be.

  The mouth end segment can vary. Typically, the tip end segment has the form of a filter element that is generally similar in many respects to the types of filter elements characteristic of traditional types of smoking articles such as cigarettes. For example, various types of mouth end pieces, filter element assemblies, filter element components, as described and referenced in US Patent Application Publication No. 2010/0186757 to Crooks et al., Incorporated herein by reference, And plug wrap material. Also, for example, Thomas et al., US Pat. No. 7,479,098, Nelson et al., 7,740,019, Dube et al., US Pat. No. 7,793,665, incorporated herein by reference, Stokes et al., 7,972,254, Ademe et al., 8,186,359, and Hutchens et al., 8,375,958, and Fagg et al., US Patent Publication No. 2008/0142028. See also the types of filter elements and filter element components described.

  The outer wrapping material can be configured, for example, as a thermally conductive material (eg, foil paper), insulating material, thick paper, plug wrap, paper tobacco paper, tobacco paper, or any combination thereof. In addition or alternatively, the packaging material may comprise foil, ceramic, ceramic paper, carbon felt, glass mat, or any combination thereof. Other packaging materials known or developed in the art can be used alone or in combination with one or more of these packaging materials. In one aspect, the packaging material may comprise a paper material having foil strips or patches laminated thereto. Exemplary paper examples are described in Crooks et al. US Patent Application Publication No. 2007/0215167, which is incorporated herein by reference.

  A foil strip or patch can be laminated to the paper sheet to form a laminated and coated region. In one example, the foil strip can have a thickness of about 0.0005 mm to about 0.05 mm. The foil strip can be laminated on the inner surface of the paper sheet. The foil strip can be laminated onto the paper sheet using any currently known or later developed technique including, for example, thermal lamination. The foil strip can be laminated onto the paper sheet using any currently known or later developed adhesive. In one example, the adhesive may be configured as a type of low temperature glue adhesive that is used to secure the chipping material to other components of the cigarette. The foil strip can be laminated or patched to the paper sheet with or without lubricant. Preferably, the foil strip is of a paper sheet for at least partial contact with a heat generating segment, substrate material (ie, beads, pellets, and / or other suitable elements), and / or tobacco rod segment. It can be laminated to the inner surface (eg, the surface of the paper sheet facing the cavity). Laminated paper or other packaging material is constructed according to the disclosure of Martin US Pat. No. 6,849,085, incorporated herein by reference in its entirety, or according to other suitable methods and / or materials. Can be done.

  The foil strip preferably enhances heat transfer between the heat generating segment and the aerosol forming material of the aerosol generating segment. Such enhanced heat transfer assists in volatilizing the aerosol forming material in the substrate (ie, beads, pellets, and / or other suitable elements) for aerosol formation. Therefore, the foil strip is formed from a heat conducting material. The foil strip may be formed from any thermally conductive material including, for example, tin, aluminum, copper, gold, brass, other thermally conductive materials, and / or any combination thereof. In this manner, the cavities can be defined by paper tubes lined with foil or columns formed by the packaging material. The packaging material may include an aligned overlay of the foil strip at discrete locations on or along the packaging material.

  The thermally conductive material can be provided by means other than the use of metal foil. For example, a layer of metal foil can be replaced by a metal mesh or screen. Alternatively, the metal foil may be replaced by a thermally conductive cloth such as a layer or sheet of graphite fibers or thermally conductive ceramic fibers. Alternatively, the thermally conductive material may be provided by providing a thermally conductive ink, such as an ink or paint coating that incorporates metal particles, graphite fibers, particles of thermally conductive ceramic material, and the like.

  Another type of component useful for constructing smoking articles is described in Crooks et al. US Patent Application Publication No. 2007/0215167, which is incorporated herein by reference in its entirety.

  One further aspect of the present disclosure includes an apparatus 200 for an elongated smoking article of the type disclosed herein (see, eg, FIG. 13). As disclosed, one aspect involves engaging a thermally conductive material / metal foil with an elongated outer wrapping material, so a suitable manufacturing device can, for example, attach a thermally conductive material / foil strip 60 to an outer wrapping material / A laminating mechanism 250 configured to engage the length of the elongated paper sheet 80 may be included (see, eg, FIG. 8). As disclosed, each foil strip 60 includes longitudinally spaced ends arranged with respect to the length of the elongated paper sheet 80, the continuous foil strips being designated as previously discussed. Can be spaced longitudinally along the outer packaging material between. In some examples, the laminating mechanism 250 may be configured to engage the foil strip to the elongated paper sheet by applying a laminating adhesive or other suitable adhesive material therebetween. The laminating mechanism may include equipment such as, for example, that supplied by Montrade Srl and Strouse Corporation, for applying a thermally conductive strip (ie, foil) in place on a continuous web of packaging material.

  The assembling mechanism 300 may include the heat generating segment 24 (ie, fuel element 27 and / or insulator 30) and tobacco rod segment 68 (ie, tobacco filler 72 and / or surrounding wrapping paper 76) in the length of an elongated paper sheet. Can be configured to engage an elongate paper sheet (ie, outer wrapping material 80) in a longitudinally spaced relationship with respect to each other. In arranging the heat generating segment 24 and the tobacco rod segment 55 in this manner, the heat generating segment 24 and / or the tobacco rod segment 55 at least partially overlap one of the longitudinal ends of the foil strip. That is, the assembly mechanism is such that the heat generating segment 24 and / or tobacco rod segment 55 lies on one of the ends of the foil strip that overlap and extend along the length of the elongated paper sheet. 24 and / or tobacco rod segment 55 may be configured to be positioned relative to the length of the elongated paper sheet (see, eg, FIG. 9). In some aspects, the assembly mechanism 300 engages the heat generating segment and the tobacco rod segment with the elongated paper sheet such that only the heat generating segment at least partially overlaps one of the longitudinal ends of the foil strip. Configured. In other aspects, as shown, for example, in FIG. 7, the assembly mechanism 300 may include a spacer element 134 such that the spacer element and tobacco rod segment define a longitudinally extending cavity 57 in cooperation with the foil strip. May be configured to engage the heat generating segment. In such an example, the selected spacer element may desirably be thermally conductive and / or breathable. The assembly mechanism may include equipment such as those available as Halin Machinechinbau AG to Merlin and Montrad to Combi to arrange various segments of the upstream composite rod in place on the continuous web.

  The winding mechanism 350 is a longitudinally extending cavity in which the heat generating segment and tobacco rod segment cooperate with the foil strip and are accessible between the lateral end of the elongated paper sheet and the lateral end of the foil strip. 57, the lateral end of the elongated paper sheet 80 can be configured to subsequently wrap at least partially around the heat generating segment and the tobacco rod segment. That is, the wrapping mechanism 350 extends vertically downward (ie, forms a “U” pocket) from the opening defined by the longitudinally extending cavity 57 between the lateral ends of the foil strip. As is present, the lateral ends of the elongated paper sheet can be configured to wrap at most partially around the heat generating segment and the tobacco rod segment. The opening may be accessible between the side edges of the elongated paper sheet (see, eg, FIG. 9).

  Once the “U” -shaped pocket or cavity 57 is formed, the dispensing mechanism 400 is arranged to deposit a plurality of aerosol generating elements within the longitudinally extending cavity 57 between the lateral ends of the foil strip. And configured. That is, the dispensing mechanism 400 can be configured to deposit a plurality of aerosol generating elements within the longitudinally extending cavity 57, typically under gravity. However, in some aspects, the dispensing mechanism 400 may be configured to force a plurality of aerosol generating elements into the cavity, for example using air pressure. Such aerosol generating elements include pellets, beads, discrete small units, carbon pieces, extruded carbon pieces, alumina beads, marmalized tobacco pieces, extruded or compressed cylindrical or spherical elements, ground tobacco sheets Selected from the group consisting of: fillers, flavoring agents, visible aerosol forming materials, binders, oval elements, amorphous elements, fine pieces, flakes, elements including tobacco, elements including visible aerosol forming materials, and combinations thereof Can be done.

  In some aspects, dispensing mechanism 400 may be configured to allow selection of multiple forms of aerosol generating elements (eg, the selection of three types of aerosol generating elements is shown by way of example in FIGS. 14 and 15). Therefore, a separate dispensing device 450A, 450B, 450C for each of the selected forms of the aerosol generating element may be provided, each dispensing device hollowing out the corresponding form of the aerosol generating element. Can be configured to dispense within (in some instances directly into the cavity 57). That is, in some aspects, it may be desirable to deposit a combination of different types or forms of aerosol generating elements, such as pellets and beads, within a single cavity 57. In such an example, dispensing mechanism 400 includes dispensing devices for various or forms of aerosol generating elements, ie, a dispensing device for pellets and a separate dispensing device for beads, according to the examples provided. May be included. In such an aspect, each dispensing device may be configured to dispense a corresponding type or form of aerosol generating element directly into the longitudinally extending cavity 57 (see, eg, FIG. 14). However, in other aspects, the dispensing mechanism may be configured to combine selected forms or types of aerosol generating elements to produce an aerosol generating element mixture, the associated dispensing device being an aerosol generating device. It may be configured to deposit the element mixture within the cavity 57 (see, eg, FIG. 15). As previously disclosed, dispensing mechanism 400 is configured to deposit a plurality of aerosol generating elements within a longitudinally extending cavity such that the cavity is at least 65 percent filled with aerosol generating element. Can be done. In some examples, the cavity is at least about 75 percent filled with an aerosol generating element, and in other examples, at least about 85 percent of the maximum fill is filled with an aerosol generating element, and in some situations, at least about 95 percent. It may be desirable to be filled. Filling cavities with materials that provide aerosol-forming components provides, for example, dispensing mechanisms, including pneumatic equipment, or dripping or lowering of these cavities with the desired material or appropriate elements or gravity-promoting filling Other suitable means for doing so can be achieved.

  In further aspects, one of ordinary skill in the art will recognize that one or more of the dispensing devices disclosed herein for an aerosol generating element may include a variety of dispensing devices, eg, to form a substrate within a cavity. It will be appreciated that a control system may also be included to control the amount or relative amount of material that includes the aerosol-generating element dispensed from. The control system may be common to all dispensing devices (ie, a single controller that communicates with and controls all of the dispensing devices) or separate controls for each dispensing device. Each controller may communicate with one or more of the other controllers for coordinating the controlled dispensing of the various aerosol generating elements from the corresponding dispensing device. Sometimes not. By controlling the relative amount of the various aerosol generating elements dispensed into the cavity, for example, thermal conductivity within the cavity of the aerosol generating segment, intermediate voids, or other characteristics of the aerosol generating element (and / or It may be possible to control, customize or determine the interaction between them). For example, as discussed above, in addition to or in place of implementing a cast sheet sub-element as discussed previously, a specific consisting of, for example, metal, graphite, or other suitable thermally conductive material Of the thermally conductive elements (ie, beads, pellets) may be dispensed in sufficient proportions into cavities in the aerosol generating segment to provide the desired heat transfer conduction path. In other examples, controlled dispensing (whether random or not) of differently configured aerosol generating elements strictly captures certain features of intermediate voids in cavities on pellets and / or beads. Can be promoted.

  When the cavity 57 is sufficiently and adequately filled with a certain amount of aerosol generating element, the sealing mechanism 500 extends longitudinally by sealing the side edges of the elongated paper sheet 80 together. It can be configured to close the cavity 57. In such an aspect, the sealing mechanism 500 can be configured to wrap the lateral ends of the foil strip around the aerosol generating element such that the lateral ends of the foil strip abut one another (eg, FIG. 2). See). In other aspects, the sealing mechanism 500 may be configured to wrap the lateral ends of the foil strip around the aerosol generating element such that the lateral ends of the foil strip overlap. As necessary or desired, the sealing mechanism 500 may also include a seam sealing adhesive or any suitable adhesive material to seal the side edges of the elongated paper sheet together. It may be configured to apply between overlapping side edges of an elongated paper sheet. The sealing mechanism 500 seals a continuous web of thermally conductive strips and / or outer wrapping material to seal the cavity and form a continuous rod consisting of a repeating pattern of composite rods, for example, a rod forming unit (Eg, devices of the type commonly used in the tobacco industry for the production of continuous filter rods).

  In accordance with the disclosure herein, one aspect thus includes a method of forming an elongated smoking article (see, eg, FIG. 16). As disclosed, such a method includes engaging the heat generating segment and the tobacco rod segment with the outer packaging material in a longitudinally spaced relationship with the length of the outer packaging material (block 600). In a particular example, the outer packaging material has a thermally conductive strip that engages it, and the thermally conductive strip has ends that are longitudinally spaced relative to the length of the outer packaging material. In some aspects, the heat generating segment and / or tobacco rod segment (one or both) at least partially overlaps one of the longitudinal ends of the thermally conductive strip. In certain aspects, only the heat generating segment at least partially overlaps one of the longitudinal ends of the thermally conductive strip. In yet another aspect, the method causes the spacer element to engage the heat generating segment such that the spacer element and the tobacco rod segment cooperate with the thermally conductive strip to define a longitudinally extending cavity. Can further include. In such an example, it may be preferred that the spacer element is thermally conductive and / or breathable.

  In some aspects, the method may further include engaging the thermally conductive strip with the length of the outer packaging material, such as in a lamination procedure, which laminates the thermally conductive strip to the outer packaging material. May involve engaging by applying a laminating adhesive between them.

  The lateral end of the outer wrapping material is then joined to the lateral end of the outer wrapping material and the lateral end of the thermally conductive strip by the heat generating segment and the tobacco rod segment cooperating with the thermally conductive strip. At least partially wrapped around the heat generating segment and the tobacco rod segment to define a longitudinally extending cavity accessible between them (block 625). In some examples, the lateral end of the outer wrapping material is such that the longitudinally extending cavity extends vertically downward from the opening defined between the lateral ends of the thermally conductive strip. At most partially wrapped around the heat generating segment (and optional spacer element) and the tobacco rod segment.

  When the outer wrapping material is configured to define a longitudinally extending cavity, a plurality of aerosol generating elements enter (block) the longitudinally extending cavity between the lateral ends of the thermally conductive strip. 650), the plurality of aerosol generating elements can be, for example, pellets, beads, individual small units, carbon pieces, extruded carbon pieces, alumina beads, marmalized tobacco pieces, extruded or compressed cylinders or Spherical elements, ground tobacco sheets, fillers, flavoring agents, visible aerosol forming materials, binders, oval elements, amorphous elements, fine pieces, flakes, elements containing tobacco, elements containing visible aerosol forming materials, and these It can be selected from the group consisting of combinations.

  In some aspects, multiple forms of aerosol generating elements may be selected, each of the selected forms of aerosol generating elements then continuing into the cavity (in some cases directly into the cavity). Deposited. In other examples, selected forms of aerosol generating elements are combined prior to deposition into the cavity to produce an aerosol generating element mixture, which is then subsequently deposited into the cavity. In some aspects, the mixture is deposited directly within the cavity. As previously disclosed, the plurality of aerosol generating elements may be dispensed into a longitudinally extending cavity such that the cavity is at least about 65 percent filled with the aerosol generating element. In some examples, the cavity is at least about 75 percent filled with an aerosol generating element, and in other examples, at least about 85 percent of the maximum fill is filled with an aerosol generating element, and in some situations, at least about 95 percent. It may be desirable to be filled.

  Once the longitudinally extending cavities are properly filled, the longitudinally extending cavities can be closed by overlapping and sealing between the lateral ends of the outer packaging material (block 675). In some aspects, closing the longitudinally extending cavity may cause the side edges of the thermally conductive strip to abut the aerosol generating element such that the side edges of the thermally conductive strip abut each other. Wrapping around may be included. In another aspect, closing the longitudinally extending cavity wraps the lateral ends of the thermally conductive strip around the aerosol generating element such that the lateral ends of the thermally conductive strip overlap. Can include. In certain instances, closing the longitudinally extending cavity is for seam sealing between the overlapping side edges of the outer packaging material to seal the side edges of the outer packaging material together. Applying an adhesive may be included.

  Many modifications and other aspects of the disclosure described herein, which benefit from the teachings presented in the foregoing description and the associated drawings, will occur to those skilled in the art to which these disclosures pertain. It will come to mind. For example, those skilled in the art will recognize that the features described herein for different embodiments may be combined with each other and / or with presently known or later developed technologies, as well as with the claims presented herein. It will be understood that embodiments illustrated herein rather than explicitly, including staying within the scope, may be practiced within the scope of the present disclosure. Therefore, it is to be understood that the present disclosure is not limited to the particular embodiments disclosed, and equivalents, modifications, and other embodiments are intended to be included within the scope of the appended claims. Should. Although specific terms are used herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (15)

  1. A method of forming an elongated smoking article comprising:
    A laminating mechanism engages the thermally conductive strip with the length of the outer packaging material, the thermally conductive strip being spaced apart in the longitudinal direction arranged with respect to the length of the outer packaging material. Having an end, engaging;
    The assembly mechanism, the heat generation segment and the tobacco rod segments, the outer wrapping material, said method comprising: with respect to the length of the outer wrapping material is engaged by the spaced apart relationship in the longitudinal direction, the heat generation segment and Engaging at least one of the tobacco rod segments at least partially overlapping one of the longitudinal ends of the thermally conductive strip;
    A winding mechanism causes the lateral end of the outer packaging material to collide with the lateral end of the outer packaging material and the thermal end of the outer packaging material in cooperation with the heat generating segment and the tobacco rod segment. Wrapping at least partially around the heat generating segment and the tobacco rod segment so as to define a longitudinally extending cavity accessible to a lateral end of the conductive strip;
    Depositing a plurality of aerosol generating elements within the longitudinally extending cavity between the lateral ends of the thermally conductive strip by a dispensing mechanism ;
    A sealing mechanism, so as to seal the cavity that extends and the longitudinal direction such that the lateral edge portions overlap of said thermally conductive strip, the empty sinus, the lateral end of the outer wrapping material Closing by overlapping and sealing the parts.
  2. The method of spacer elements, the spacer element and the tobacco rod segment in cooperation with the thermally conductive strip so as to define a cavity extending in the longitudinal direction, being engaged to the heat generation segment The method of claim 1, further comprising: wherein the spacer element is one of thermal conductivity and breathability.
  3.   The engagement of claim 2 wherein engaging the thermally conductive strip comprises engaging the thermally conductive strip to the outer packaging material by applying a laminating adhesive therebetween. Said method.
  4.   Engaging the heat generating segment and the tobacco rod segment makes the heat generating segment and the tobacco rod segment at least partially with one of the longitudinal ends of the thermally conductive strip only the heat generating segment. The method of claim 1, comprising engaging the outer packaging material so as to overlap.
  5. Defining winding the lateral ends of said outer packaging material, the lateral end of the outer wrapping material, the cavity extending in the longitudinal direction, between the lateral ends of the thermally conductive strip The method of claim 1, comprising wrapping at least partially around the heat generating segment and the tobacco rod segment so as to extend vertically downwardly from the opening being made.
  6. Depositing the plurality of aerosol generating elements;
    Pellets, beads, individual small units, carbon pieces, extruded carbon pieces, alumina beads, marmalized tobacco pieces, extruded or compressed cylindrical or spherical elements, ground tobacco sheets, fillers, flavoring agents The plurality of selected from the group consisting of: a visible aerosol forming material, a binder, an oval element, an amorphous element, a fragment, a flake, an element comprising tobacco, an element comprising a visible aerosol forming material, and combinations thereof Depositing an aerosol generating element in the longitudinally extending cavity, or depositing the plurality of aerosol generating elements in the longitudinally extending cavity, wherein the cavity is at least about the aerosol generating element; The method of claim 1, comprising depositing to 65% fill.
  7. Depositing the plurality of aerosol generating elements;
    Selecting a plurality of forms of the aerosol generating element and depositing each of the selected forms of the aerosol generating element separately in the cavity, or selecting a plurality of forms of the aerosol generating element and selecting 7. The method of claim 6, comprising combining the aerosol generating elements in a configured form to produce an aerosol generating element mixture and depositing the mixture in the cavity.
  8. The longitudinal direction that closes the cavity that extends, in order to seal together the lateral end portions of the outer wrapping material, the overlapping side for seam sealing between the ends of the outer wrapping material The method of claim 1, comprising applying an adhesive.
  9. An apparatus for forming an elongated smoking article comprising:
    A laminating mechanism configured to engage a thermally conductive strip with a length of an outer packaging material, wherein the thermally conductive strip is in a longitudinal direction arranged with respect to the length of the outer packaging material A stacking mechanism having spaced ends;
    Receiving said outer packaging material, the heat generation segment and the tobacco rod segments, the outside wrapping material, said outer packaging material configured assembled mechanism to engage in spaced relation in the longitudinal direction with respect to the length of An assembly mechanism wherein at least one of the heat generating segment and the tobacco rod segment at least partially overlaps one of the longitudinal ends of the thermally conductive strip;
    The side edges of the outer wrapping material, the heat generating segment and the tobacco rod segment cooperate with the heat conductive strip, the side ends of the outer wrapping material and the heat conductive strip. A wrapping configured to wrap at least partially around the heat generating segment and the tobacco rod segment to define a longitudinally extending cavity accessible to a lateral end Mechanism,
    A dispensing mechanism configured to deposit a plurality of aerosol generating elements in the longitudinally extending cavities between the lateral ends of the thermally conductive strip;
    By sealing the side edges of the outer packaging material together , the empty ends are sealed so that the side edges of the thermally conductive strips overlap and extend in the longitudinal direction. And a sealing mechanism configured to close the sinus.
  10. Before SL lamination mechanism, the heat conductive strip, the outer wrapping material, configured to engage by applying a laminating adhesive between them, the apparatus of claim 9.
  11. The assembly mechanism is
    Engaging the heat generating segment and the tobacco rod segment with the outer packaging material such that only the heat generating segment overlaps at least partially with one of the longitudinal ends of the thermally conductive strip, or A spacer element is configured to engage the heat generating segment such that the spacer element and the tobacco rod segment cooperate with the thermally conductive strip to define a longitudinally extending cavity; The apparatus of claim 9, wherein the spacer element is one of thermal conductivity and breathability.
  12. The winding mechanism, the said lateral end of the outer packaging material, extending vertically downward from the opening cavity extending longitudinally is defined between the lateral ends of the thermally conductive strip 10. The apparatus of claim 9, configured to wrap at least partially around the heat generating segment and the tobacco rod segment as present.
  13. The dispensing mechanism is
    Pellets, beads, individual small units, carbon pieces, extruded carbon pieces, alumina beads, marmalized tobacco pieces, extruded or compressed cylindrical or spherical elements, ground tobacco sheets, fillers, flavoring agents The plurality of selected from the group consisting of: a visible aerosol forming material, a binder, an oval element, an amorphous element, a fragment, a flake, an element comprising tobacco, an element comprising a visible aerosol forming material, and combinations thereof An aerosol generating element is deposited in the longitudinally extending cavity, or the plurality of aerosol generating elements are in the longitudinally extending cavity, the cavity being at least about 65 in the aerosol generating element; The apparatus of claim 9, wherein the apparatus is configured to deposit to be% filled.
  14. The dispensing mechanism is
    A plurality of forms of the aerosol generating element are configured to allow selection, comprising a separate dispensing device for each of the selected forms of the aerosol generating element, each dispensing device corresponding to the corresponding Configured to dispense a form of the aerosol generating element into the cavity or to allow selection of a plurality of forms of the aerosol generating element and combining the selected forms of the aerosol generating element 14. The apparatus of claim 13, comprising a dispensing device configured to produce a generating element mixture and configured to deposit the mixture in the cavity.
  15. The sealing mechanism, in order to seal together the lateral end portions of the outer wrapping material, configured to apply the seam sealing adhesive between the overlapping side ends of the outer wrapping material 10. The device of claim 9, wherein:
JP2016536685A 2013-12-05 2014-12-02 Smoking articles and related manufacturing methods Active JP6599329B2 (en)

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US14/098,137 US20150157052A1 (en) 2013-12-05 2013-12-05 Smoking article and associated manufacturing method
PCT/US2014/068049 WO2015084783A1 (en) 2013-12-05 2014-12-02 Smoking article and associated manufacturing method

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US20150157052A1 (en) 2015-06-11
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WO2015084783A1 (en) 2015-06-11
JP2020018313A (en) 2020-02-06
JP2017502656A (en) 2017-01-26
EP3076814A1 (en) 2016-10-12

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