EP3068245B1 - Embout buccal pour article à fumer - Google Patents

Embout buccal pour article à fumer Download PDF

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Publication number
EP3068245B1
EP3068245B1 EP14790405.6A EP14790405A EP3068245B1 EP 3068245 B1 EP3068245 B1 EP 3068245B1 EP 14790405 A EP14790405 A EP 14790405A EP 3068245 B1 EP3068245 B1 EP 3068245B1
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EP
European Patent Office
Prior art keywords
mouthpiece
tipping
layer
tube
pat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP14790405.6A
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German (de)
English (en)
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EP3068245A1 (fr
Inventor
Paul S. Chapman
Robert L. Oglesby
Wesley S. Jones
Kenneth Shou-Chein Lin
Moris Amon
Ramin Heydarpour
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RJ Reynolds Tobacco Co
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RJ Reynolds Tobacco Co
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • An electrically resistive heater may be configured to heat a material, which may be made or derived from tobacco or otherwise incorporate tobacco, to form an inhalable substance for human consumption.
  • Representative products that resemble many of the attributes of traditional types of cigarettes, cigars or pipes have been marketed as ACCORD ® by Philip Morris Incorporated; ALPHA TM , JOYE 510 TM and M4 TM by InnoVapor LLC; CIRRUS TM and FLING TM by White Cloud Cigarettes; COHITA TM , COLIBRI TM , ELITE CLASSIC TM , MAGNUM TM , PHANTOM TM and SENSE TM by Epuffer ® International Inc.; DUOPRO TM , STORM TM and VAPORKING ® by Electronic Cigarettes, Inc.; EGAR TM by Egar Australia; eGo-C TM and eGo-T TM by Joyetech; ELUSION TM by Elusion UK Ltd;
  • a smoking article that employs heat produced by electrical energy to provide sensations of smoking a cigar, cigarette, or pipe, but without combusting tobacco to any significant degree, without need for a combustion heat source, and without necessarily delivering considerable quantities of incomplete combustion and/or pyrolysis products.
  • a smoking article may include a comfortable mouthpiece that is similar to mouthpieces and/or the sensory profile aspects associated with existing smoking articles such as, for examples, cigars, cigarettes, or pipes.
  • a smoking with a mouthpiece that provides a solid rigid main body surrounded by coating material that provides a user with a comfortable sensory experience during contact with the user's mouth (e.g., lips, teeth, and/or tongue) and that also provides a visible display of indicia such as, for example, product identification, advertising, labeling, or other visual indicia.
  • a rigid-bodied smoking article that includes a mouthpiece providing comfortable mouth-feel characterized by smokers as "bite" or "bite sensation,” where the mouthpiece can effectively display information about the smoking article.
  • US 2013/247924 A1 discloses a prior art mouthpiece for a smoking article.
  • the present disclosure relates to wrapping materials and other constructions for a mouthpiece component or portion of a smoking article or other aerosol delivery device configured to produce aerosol.
  • the invention is defined by the features of claim 1.
  • smoking article is used herein as a matter of convention, although many embodiments may not actually burn tobacco or generate any combustion-based aerosol (in the form of smoke or otherwise); rather, the terms “smoking” and/or “vaping” are used to refer to drawing an aerosol into a user's mouth for purpose of experiencing flavor(s) and/or other sensation(s) associated with aerosol components.
  • the present disclosure provides descriptions of mechanisms, components, features, and methods configured to dynamically change a visual characteristic in response to feedback. While the mechanisms are generally described herein in terms of embodiments associated with aerosol delivery devices such as so-called “e-cigarettes,” it should be understood that the mechanisms, components, features, and methods may be embodied in many different forms and associated with a variety of articles. For example, the description provided herein may be employed in conjunction with embodiments of traditional smoking articles (e.g., cigarettes, cigars, pipes, etc.), heat-not-burn cigarettes, and related packaging for any of the products disclosed herein. Accordingly, it should be understood that the description of the mechanisms, components, features, and methods configured to provide for illumination disclosed herein are discussed in terms of embodiments relating to aerosol delivery mechanisms by way of example only, and may be embodied and used in various other products and methods.
  • traditional smoking articles e.g., cigarettes, cigars, pipes, etc.
  • heat-not-burn cigarettes e.g., heat-not-burn cigarettes, and related packaging for any
  • an aerosol delivery device may provide some or all of the sensations (e.g., inhalation and exhalation rituals, types of tastes or flavors, organoleptic effects, physical feel, use rituals, visual cues such as those provided by visible aerosol, and the like) of smoking a cigarette, cigar, or pipe, without any substantial degree of combustion of any component of that article or device.
  • sensations e.g., inhalation and exhalation rituals, types of tastes or flavors, organoleptic effects, physical feel, use rituals, visual cues such as those provided by visible aerosol, and the like
  • the aerosol delivery device may not produce smoke in the sense of the aerosol resulting from by-products of combustion or pyrolysis of tobacco, but rather, that the article or device may yield vapors (including vapors within aerosols that can be considered to be visible aerosols that might be considered to be described as smoke-like) resulting from volatilization or vaporization of certain components of the article or device.
  • aerosol delivery devices may incorporate tobacco and/or components derived from tobacco.
  • Aerosol delivery devices of the present disclosure also can be characterized as being vapor-producing articles or medicament delivery articles.
  • articles or devices can be adapted so as to provide one or more substances (e.g., flavors and/or pharmaceutical active ingredients) in an inhalable form or state.
  • substances e.g., flavors and/or pharmaceutical active ingredients
  • inhalable substances can be substantially in the form of a vapor (i.e., a substance that is in the gas phase at a temperature lower than its critical point).
  • inhalable substances can be in the form of an aerosol (i.e., a suspension of fine solid particles or liquid droplets in a gas).
  • aerosol as used herein is meant to include vapors, gases and aerosols of a form or type suitable for human inhalation, whether or not visible, and whether or not of a form that might be considered to be smoke-like.
  • aerosol delivery devices of the present disclosure may be subjected to many of the physical actions employed by an individual in using a traditional type of smoking article (e.g., a cigarette, cigar or pipe that is employed by lighting and inhaling tobacco).
  • a traditional type of smoking article e.g., a cigarette, cigar or pipe that is employed by lighting and inhaling tobacco.
  • the user of an aerosol delivery device of the present disclosure can hold that article much like a traditional type of smoking article, draw on one end of that article for inhalation of aerosol produced by that article, take puffs at selected intervals of time, etc.
  • Aerosol delivery devices of the present disclosure generally include a number of components provided within an outer body or shell.
  • the overall design of the outer body or shell can vary, and the format or configuration of the outer body that can define the overall size and shape of the aerosol delivery device can vary.
  • an elongated body resembling the shape of a cigarette or cigar can be a formed from a single, unitary shell; or the elongated body can be formed of two or more separable pieces.
  • an aerosol delivery device can comprise an elongated shell or body that can be substantially tubular in shape and, as such, resemble the shape of a conventional cigarette or cigar. In one embodiment, all of the components of the aerosol delivery device are contained within one outer body or shell.
  • an aerosol delivery device can comprise two or more shells that are joined and are separable.
  • an aerosol delivery device can possess at one end a control body comprising an outer body or shell containing one or more reusable components (e.g., a rechargeable battery and various electronics for controlling the operation of that article), and at the other end and removably attached thereto an outer body or shell containing a disposable portion (e.g., a disposable flavor-containing cartridge).
  • a disposable portion e.g., a disposable flavor-containing cartridge
  • Aerosol delivery devices of the present disclosure most preferably comprise some combination of a power source (i.e., an electrical power source), at least one control component (e.g., means for actuating, controlling, regulating and ceasing power for heat generation, such as by controlling electrical current flow the power source to other components of the article), a heater or heat generation component (e.g., an electrical resistance heating element or component commonly referred to as an "atomizer"), and an aerosol precursor composition (e.g., commonly a liquid capable of yielding an aerosol upon application of sufficient heat, such as ingredients commonly referred to as "smoke juice,” “e-liquid” and “e-juice”), and a mouthend region or tip for allowing draw upon the aerosol delivery device for aerosol inhalation (e.g., a defined air flow path through the article such that aerosol generated can be withdrawn therefrom upon draw).
  • a power source i.e., an electrical power source
  • at least one control component e.g., means for actuating, controlling
  • the aerosol precursor composition can be located near an end of the article (e.g., within a cartridge, which in certain circumstances can be replaceable and disposable), which may be proximal to the mouth of a user so as to maximize aerosol delivery to the user.
  • the heating element can be positioned sufficiently near the aerosol precursor composition so that heat from the heating element can volatilize the aerosol precursor (as well as one or more flavorants, medicaments, or the like that may likewise be provided for delivery to a user) and form an aerosol for delivery to the user.
  • an aerosol is formed, released, or generated in a physical form suitable for inhalation by a consumer.
  • release, releasing, releases, or released includes form or generate, forming or generating, forms or generates, and formed or generated.
  • an inhalable substance is released in the form of a vapor or aerosol or mixture thereof.
  • An aerosol delivery device incorporates a battery or other electrical power source to provide current flow sufficient to provide various functionalities to the article, such as resistive heating, powering of control systems, powering of indicators, and the like.
  • the power source can take on various embodiments.
  • the power source is able to deliver sufficient power to rapidly heat the heating member to provide for aerosol formation and power the article through use for the desired duration of time.
  • the power source preferably is sized to fit conveniently within the aerosol delivery device so that the aerosol delivery device can be easily handled; and additionally, a preferred power source is of a sufficiently light weight to not detract from a desirable smoking experience.
  • FIG. 1 One example embodiment of an aerosol delivery device 100 is provided in FIG. 1 .
  • the aerosol delivery device 100 can comprise a control body 102 and a cartridge 104 that can be permanently or detachably aligned in a functioning relationship.
  • a threaded engagement is illustrated in FIG. 1 , it is understood that further means of engagement may be employed, such as a press-fit engagement, interference fit, a magnetic engagement, or the like.
  • control body 102 and the cartridge 104 may be referred to as being disposable or as being reusable.
  • the control body may have a replaceable battery or a rechargeable battery and thus may be combined with any type of recharging technology, including connection to a typical electrical outlet, connection to a car charger (i.e., cigarette lighter receptacle), and connection to a computer, such as through a universal Ser. bus (USB) cable.
  • USB universal Ser. bus
  • an adaptor including a USB connector at one end and a control body connector at an opposing end is disclosed in U.S. Pat. App. Ser. No. 13/840,264, filed Mar. 15, 2013 .
  • the cartridge may comprise a single-use cartridge, as disclosed in U.S. Pat. App. Ser. No. 13/603,612, filed September 5, 2012 .
  • the control body 102 includes a control component 106, a flow sensor 108, and a battery 110, which can be variably aligned, and can include a plurality of indicators 112 at a distal end 114 of an outer body 116.
  • the indicators 112 can be provided in varying numbers and can take on different shapes and can even be an opening in the body (such as for release of sound when such indicators are present).
  • An air intake 118 may be positioned in the outer body 116 of the control body 102.
  • a coupler 120 also is included at the proximal attachment end 122 of the control body 102 and may extend into a control body projection 124 to allow for ease of electrical connection with an atomizer or a component thereof, such as a resistive heating element (described below) when the cartridge 104 is attached to the control body.
  • the air intake 118 is illustrated as being provided in the outer body 116, in another embodiment the air intake may be provided in a coupler as described, for example, in U.S. Pat. App. Ser. No. 13/841,233; Filed March 15, 2013 .
  • the cartridge 104 includes an outer body 126 with a mouth opening 128 at a mouthend 130 thereof to allow passage of air and entrained vapor (i.e., the components of the aerosol precursor composition in an inhalable form) from the cartridge to a consumer during draw on the aerosol delivery device 100.
  • the aerosol delivery device 100 may be substantially rod-like or substantially tubular shaped or substantially cylindrically shaped in some embodiments.
  • the cartridge 104 further includes an atomizer 132 comprising a resistive heating element 134 (e.g., a wire coil) configured to produce heat and a liquid transport element 136 (e.g., a wick) configured to transport a liquid.
  • a resistive heating element 134 e.g., a wire coil
  • a liquid transport element 136 e.g., a wick
  • Various embodiments of materials configured to produce heat when electrical current is applied therethrough may be employed to form the resistive heating element 134.
  • Example materials from which the wire coil may be formed include Kanthal (FeCrAI), Nichrome, Molybdenum disilicide (MoSi 2 ), molybdenum silicide (MoSi), Molybdenum disilicide doped with Aluminum (Mo(Si,Al) 2 ), and ceramic (e.g., a positive temperature coefficient ceramic).
  • Electrically conductive heater terminals 138 (e.g., positive and negative terminals) at the opposing ends of the heating element 134 are configured to direct current flow through the heating element and configured for attachment to the appropriate wiring or circuit (not illustrated) to form an electrical connection of the heating element with the battery 110 when the cartridge 104 is connected to the control body 102.
  • a plug 140 may be positioned at a distal attachment end 142 of the cartridge 104. When the cartridge 104 is connected to the control body 102, the plug 140 engages the coupler 120 to form an electrical connection such that current controllably flows from the battery 110, through the coupler and plug, and to the heating element 134.
  • the outer body 126 of the cartridge 104 can continue across the distal attachment end 142 such that this end of the cartridge is substantially closed with the plug 140 protruding therefrom.
  • a reservoir may utilize a liquid transport element to transport an aerosol precursor composition to an aerosolization zone.
  • a liquid transport element to transport an aerosol precursor composition to an aerosolization zone.
  • FIG. 1 the cartridge 104 includes a reservoir layer 144 comprising layers of nonwoven fibers formed into the shape of a tube encircling the interior of the outer body 126 of the cartridge, in this embodiment.
  • An aerosol precursor composition is retained in the reservoir layer 144. Liquid components, for example, can be sorptively retained by the reservoir layer 144.
  • the reservoir layer 144 is in fluid connection with a liquid transport element 136.
  • the liquid transport element 136 transports the aerosol precursor composition stored in the reservoir layer 144 via capillary action to an aerosolization zone 146 of the cartridge 104.
  • the liquid transport element 136 is in direct contact with the heating element 134 that is in the form of a metal wire coil in this embodiment.
  • an aerosol delivery device that can be manufactured according to the present disclosure can encompass a variety of combinations of components useful in forming an electronic aerosol delivery device.
  • U.S. Pat. App. Ser. No. 13/602,871, filed September 4, 2012 discloses an electronic smoking article including a microheater.
  • substantially the entirety of the cartridge may be formed from one or more carbon materials, which may provide advantages in terms of biodegradability and absence of wires.
  • the heating element may comprise a carbon foam
  • the reservoir may comprise carbonized fabric
  • graphite may be employed to form an electrical connection with the battery and controller.
  • Such carbon cartridge may be combined with one or more elements as described herein for providing illumination of the cartridge in some embodiments.
  • An example embodiment of a carbon-based cartridge is provided in U.S. Pat. App. Ser. No. 13/432,406; filed March 28, 2012 .
  • the heating element 134 is activated (e.g., such as via a puff sensor), and the components for the aerosol precursor composition are vaporized in the aerosolization zone 146.
  • Drawing upon the mouthend 130 of the article 100 causes ambient air to enter the air intake 118 and pass through the central opening in the coupler 120 and the central opening in the plug 140.
  • the drawn air passes through an air passage 148 in an air passage tube 150 and combines with the formed vapor in the aerosolization zone 146 to form an aerosol.
  • the aerosol is whisked away from the aerosolization zone 146, passes through an air passage 152 in an air passage tube 154, and out the mouth opening 128 in the mouthend 130 of the article 100.
  • an aerosol delivery device can be chosen from components described in the art and commercially available. Examples of batteries that can be used according to the disclosure are described in U.S. Pat. App. Pub. No. 2010/0028766 .
  • An exemplary mechanism that can provide puff-actuation capability includes a Model 163PC01D36 silicon sensor, manufactured by the MicroSwitch division of Honeywell, Inc., Freeport, III. Further examples of demand-operated electrical switches that may be employed in a heating circuit according to the present disclosure are described in U.S. Pat. No. 4,735,217 to Gerth et al .
  • the aerosol precursor which may also be referred to as an aerosol precursor composition or a vapor precursor composition, can comprise one or more different components.
  • the aerosol precursor can include a polyhydric alcohol (e.g., glycerin, propylene glycol, or a mixture thereof).
  • Representative types of further aerosol precursor compositions are set forth in U.S. Pat. No. 4,793,365 to Sensabaugh, Jr. et al. ; U.S. Pat. No. 5,101,839 to Jakob et al. ; PCT WO 98/57556 to Biggs et al. ; and Chemical and Biological Studies on New Cigarette Prototypes that Heat Instead of Burn Tobacco, R. J. Reynolds Tobacco Company Monograph (1988 ).
  • U.S. Pat. No. 5,261,424 to Sprinkel, Jr. discloses piezoelectric sensors that can be associated with the mouth-end of a device to detect user lip activity associated with taking a draw and then trigger heating;
  • U.S. Pat. No. 5,372,148 to McCafferty et al . discloses a puff sensor for controlling energy flow into a heating load array in response to pressure drop through a mouthpiece;
  • U.S. Pat. No. 5,967,148 to Harris et al U.S. Pat. No. 5,967,148 to Harris et al .
  • receptacles in a smoking device that include an identifier that detects a non-uniformity in infrared transmissivity of an inserted component and a controller that executes a detection routine as the component is inserted into the receptacle;
  • U.S. Pat. No. 6,040,560 to Fleischhauer et al. describes a defined executable power cycle with multiple differential phases;
  • U.S. Pat. No. 5,934,289 to Watkins et al. discloses photonic-optronic components;
  • U.S. Pat. No. 5,954,979 to Counts et al. discloses means for altering draw resistance through a smoking device;
  • U.S. Pat. No. 7,293,565 to Griffen et al. discloses various charging systems for use with smoking devices
  • U.S. Pat. No. 8,402,976 to Fernando et al. discloses computer interfacing means for smoking devices to facilitate charging and allow computer control of the device
  • U.S. Pat. App. Pub. No. 2010/0163063 by Fernando et al. discloses identification systems for smoking devices
  • WO 2010/003480 by Flick discloses a fluid flow sensing system indicative of a puff in an aerosol generating system.
  • components related to electronic aerosol delivery articles and disclosing materials or components that may be used in the present article include U.S. Pat. No. 4,735,217 to Gerth et al. ; U.S. Pat. No. 5,249,586 to Morgan et al. ; U.S. Pat. No. 5,666,977 to Higgins et al. ; U.S. Pat. No. 6,053,176 to Adams et al. ; U.S. 6,164,287 to White ; U.S. Pat No. 6,196,218 to Voges ; U.S. Pat. No. 6,810,883 to Felter et al. ; U.S. Pat. No.
  • Preferred embodiments described herein may include a metal and/or ceramic construction of a rigid tubular body that houses components for delivering an aerosol (which components may include electronic circuitry, heating elements, feedback devices, and other components).
  • embodiments described herein may include embodiments of Vuse TM digital electronic cigarettes (R.J.
  • Tipping materials in typical cigarettes, and in segmented smoking articles that use a combustible fuel element to heat rather than burn smokable material such as tobacco typically include paper materials that cover a filter material (which may be encompassed by plug wrap material) to form a mouth-end of the subject smoking article.
  • Examples of tipping materials are described in U.S. Pat. Nos. 7,789,089 to Dube et al. , and in U.S. Pat. App. Publ. Nos. 2007/0215167 to Crooks et al. , 2010/0108081 to Joyce et al. , 2010/0108084 to Norman et al. , and 2013/0167849 to Ademe et al .
  • a smoking article 500 may include a tipping-covered mouthpiece 502 (which may be embodied, for example, as a cartridge or a control body as described above with reference to FIG. 1 above).
  • the smoking article is described with reference to FIGS. 2A-2C , which show, respectively, a side view and a perspective view of the smoking article 500, and a side view of the mouthpiece 502.
  • the smoking article 500 includes a shell 513 that is illustrated as a rigid tubular body made of stainless steel.
  • the shell 513 may have a non-round/cylindrical profile and/or may include another metal, ceramic, or other rigid material.
  • a distal-end indicator 512 may provide visual indication (e.g., via light, color change, or other indication) of device activity and/or status (e.g., battery life, puff activity, or other).
  • Device activity and/or status e.g., battery life, puff activity, or other.
  • Internal components and functions thereof may include those of aerosol-generating smoking devices known in the art and/or may specifically include components and/or functions disclosed in the embodiment of FIG. 1 above, or other devices referenced herein, including that all features, examples, and embodiments therein may be combined with each other and aspects of the present disclosure in a manner that those of skill in the art will appreciate with reference to the present disclosure.
  • the smoking article may incorporate tobacco within an electrically-powered, aerosol-generating device. At least one form of tobacco can be positioned at one or more specific locations within the smoking article. Aerosol-forming material may be employed in addition to the tobacco.
  • the mouthpiece 502 may be used by the smoker to inhale components of tobacco that are generated by the action of heat upon components of that smoking article.
  • a representative smoking article includes a source of electrical power (e.g., a battery), a controller mechanism including a sensor that is capable of selectively powering certain components of the device (e.g., electrical resistance heating elements) at least during periods of draw, and at least one heating device (e.g., an electrical resistance heating unit) for forming a thermally generated aerosol that incorporates components of tobacco.
  • a cartridge containing some form of tobacco is positioned within or in connection with the smoking article, and after use, the used cartridge may be removed from the device. When desired, another cartridge may be positioned for further use.
  • the mouthpiece 502 also includes a shell 503 that is illustrated as a rigid tubular body made of stainless steel.
  • the mouthpiece shell 503 is shown as a rigid tube may have a non-round/cylindrical profile and/or may include another metal, ceramic, or other rigid material.
  • a larger outer circumference mouth-end region of the tubular shell 503 includes a tipping cover 504 transversely disposed thereabout to form at least a double layer.
  • a smaller-circumference region 508 of the tubular shell 503 is configured to engage a distal portion 510 of the smoking article (which distal portion may be configured, for example, as a cartridge or control body).
  • the mouthpiece 502 is configured to be disposed of (or recycled), while the distal portion 510 is configured for continued/multiple use with a serial plurality of mouthpieces 502, where each mouthpiece may have the same, similar, or different flavor and/or other sensory profiles associated with use.
  • each mouthpiece may have the same, similar, or different flavor and/or other sensory profiles associated with use.
  • FIGS. 3A-5E may have an external appearance similar or identical to that shown in FIGS. 2A-2C .
  • FIGS. 3A-3B show one embodiment of a double-wrapped mouthpiece 202 for a smoking article.
  • This mouthpiece 202 may be incorporated as part of any smoking article described herein (including those items, subject to technical considerations thereof).
  • FIG. 3A shows a diagrammatic/simplified perspective view of the mouth-end of the mouthpiece 202
  • FIG. 3B shows a transverse section view along line 3B-3B of FIG. 3A
  • the innermost component shown is a metal tubular body shell 203.
  • the shell 203 is circumscribed by a double-layer tipping wrap 220.
  • An inner/lower layer 222 is a cushioning layer that will provide a comfortable bite/mouth-feel for many users by providing a resilient layer between the user's tongue and/or teeth and the rigid shell 203.
  • the inner/lower layer may include one or more of foam tape (e.g., 3M Scotch TM Permanent Mounting foam tape (Cat #110)), rayon web fleece, cigarette filter tow, cigarette plug wrap, and/or cellulose acetate non-woven web that is adhered or otherwise secured around the shell's outer circumference and transverse to the shell's longitudinal axis in a manner forming a band therearound.
  • the longitudinal joint/edge may be formed, for example, as a butt joint (preferably mitered slightly to account for curvature of the underlying tube, which may provide some overlap), or in another joint construction.
  • an inner layer of this and other embodiments may include fleece, filter paper, plug wrap, cellulose acetate non-woven web, polymeric film, polymeric foam, or any combination thereof.
  • An upper/outer layer 224 of the double-layer tipping wrap 220 is provided in the form of an adhesive label or sleeve 224.
  • the inner/lower layer 222 has a first thickness that is greater than a second thickness of the upper/outer layer 224.
  • the upper/outer layer 224 may include indicia (letters/words, images, colors, textures, or other indicia) that identify properties of the mouthpiece 202 and/or a smoking article incorporating the mouthpiece. Exemplary indicia may communicate flavor(s), product source identification (e.g., branding, trademark, etc.), and/or other information, and/or it may provide aesthetic appeal.
  • the label 224 may be an adhesive label with a paper and/or polymer construction.
  • its construction may be the same as or similar to the filter paper or plug wrap used on conventional cigarettes.
  • an outer layer of this and other embodiments may include fleece, filter paper, plug wrap, cellulose acetate non-woven web, polymeric film, polymeric foam, or any combination thereof.
  • the softness, "mouth feel,” or other characterization of how a user will experience and interact with the mouth end/ mouthpiece of a smoking article can be described in different manners.
  • the focus of the present disclosure upon providing a desirable sensory interaction when the main body of the smoking article is substantially rigid it may be useful to consider means of explaining or describing this qualitative aspect.
  • the trait is described with reference to durometer, which is a well-understood means for measuring hardness as a material's or structure's resistance to permanent indentation on a "Shore M" hardness scale.
  • the wrapped mouth end portion whether single-wrapped, double-wrapped, and/or otherwise multiply wrapped, with or without an outer wrapping material (e.g., printable or preprinted polymer) includes more flexibility and/or less resistance to permanent indentation.
  • an outer wrapping material e.g., printable or preprinted polymer
  • Young's Modulus which is a common means of describing of elastic modulus, sometimes called the modulus of elasticity. It is a measure of the stiffness of an elastic material and provides a quantitative means of characterizing materials. It is defined as the ratio of the stress along an axis over the strain along that axis in the range of stress in which Hooke's law holds. Its SI unit is the Pascal (Pa or N/m 2 or m -1 ⁇ kg ⁇ s -2 ). The practical units used are megapascals (MPa or N/mm 2 ) or gigapascals (GPa or kN/mm 2 ).
  • Young's modulus may have different values depending on the direction of the applied force with respect to the material's structure.
  • Young's modulus, E can be calculated by dividing the tensile stress by the tensile strain in the elastic (initial, linear) portion of the stress-strain curve, applying a standard formula.
  • Different polymeric materials including a range of “softness” characteristics options may be used for mouthpiece cushioning over a rigid body.
  • At least three categories of polymers may be used by themselves, in blended formulation, and/or as a multilayer composite structure.
  • the "softness" of the composite label could vary depending on the choices of material, the processing condition of the film (i.e. orientation process and the layer architecture).
  • the range of moduli will fall within these three general categories: Polymeric material options for smoking article labels Polymer Young's Modulus Comment 1 Oriented Films (e.g., PETG, BOPP) 2.5-5 GPa One preferred material used in smoking article labels 2 Polyolefins (e.g., PE, PP) 0.2-2 GPa Blends and/or multilayer composite structures can result in different modulus 3 Elastomers (e.g., PU, Silicone, Natural latex) 0.01-0.1 GPa Softest of preferred options; can be used as a blend or in multilayer structures
  • 3M Scotch TM Permanent Mounting foam tape (Cat #110, as available in September 2013 from 3M Co., St. Paul, Minn.) forms the inner/lower layer and is wrapped transversely around/ adhered to a stainless steel tube constructed as a mouthpiece for a smoking article, and a pre-printed polymer wrapper label is adhered around its exterior surface to form the upper/outer layer.
  • This example of foam tape is about 1.5 mm thick by 13 mm wide, including a foam layer with adhesive on both sides separated by a release liner.
  • the resulting cigarette mouthpiece When wrapped around a 9.2 mm diameter stainless steel tube of an electronic cigarette mouth end, the resulting cigarette mouthpiece includes an outer diameter of about 12.7 mm and has a durometer reading of about 90 hardness, when including a peel-off printed stiff polymer wrapper label and about 47 hardness with the label removed.
  • these sizes will vary in keeping with the dimensions of the underlying tube body, which has an uncoated durometer of about 100 (which may read about 98 to about 100, if the tube is thin-walled enough to flex).
  • Southeast Non-Woven HNB3 substrate (non-woven cellulose acetate web about 1.7 mm thick by about 25 mm wide) was hand-cut to a 29 mm length. This forms the inner/lower layer and is wrapped transversely around/ adhered to a stainless steel tube constructed as a mouthpiece for a smoking article, with the wrap forming a butt joint at its ends, and an outermost pre-printed polymer wrapper layer placed over it to form a final mouthpiece construction.
  • the resulting cigarette mouth peace exhibits a diameter of 11.2 mm and has a durometer reading of about 90 Shore M hardness.
  • Schweitzer-Mauduit 240M9S plug wrap (as commercially available in September 2013) was adhered around its exterior surface to form the upper/outer layer rather than the polymer wrapper.
  • rayon web fleece (e.g., SDH27 from BFF Technical Fabrics in Bridgewater, Somerset, GB; Z8713 from Hoftex Group AG in Hof, Germany) is cut in a length substantially equal to the outer circumference of the stainless steel mouthpiece tubular shell.
  • This fleece forms the inner/lower layer and is wrapped transversely around/ adhered to a stainless steel tube constructed as a mouthpiece for a smoking article, and a pre-printed polymer wrapper label is adhered around its exterior surface to form the upper/outer layer.
  • the resulting cigarette mouth peace exhibits a diameter of 10.0 mm and has a durometer reading of about 91 Shore M hardness.
  • the outer diameter is about 11.1 mm and hardness remains unchanged at 92.
  • Individual layers of fleece (without pre-printed polymer wrapper label) exhibit hardness numbers of 83 for three layers, 87 for two layers, and 92 for a single layer.
  • the length need not be exactly two times the circumference, but preferably will be within reasonable tolerances, and may include slightly mitered or tapered ends or otherwise overlap slightly to provide substantially smooth fit of a rectangular three-dimensional material around a cylinder. As such the length may be slightly less or slightly greater than the described multiple of the circumference, but will be understood by those in the art to substantially circumferentially encompass that circumference.
  • FIGS. 4A-4C show another embodiment of a double-wrapped mouthpiece 302 for a smoking article.
  • the innermost component shown is a metal tubular body shell 303, shown uncovered in FIG. 4A may be incorporated as part of any smoking article described herein (including those items, subject to technical considerations thereof).
  • FIG. 4B shows a mid-step assembly view of the double-wrapped mouthpiece 302 for a smoking article.
  • the shell 303 is circumscribed by a double-layer tipping wrap 320, the inner/lower layer 322 of which (shown in FIG. 4B ) is wrapped transversely but not perpendicularly relative to a longitudinal axis of the rigid tube and is trimmed to form a cylindrical wrap 322 that is - as a cylinder - substantially coaxial relative to said longitudinal axis.
  • This spiral-wound or otherwise angled inner/lower layer 322 preferably is a cushioning layer that will provide a comfortable bite/mouth-feel for many users by providing a resilient layer between the user's tongue and/or teeth and the rigid shell 313.
  • the inner/lower layer may include one or more of foam tape (e.g., 3M Scotch TM Permanent Mounting foam tape (Cat #110)), rayon web fleece, cigarette filter tow, cigarette plug wrap, and/or cellulose acetate non-woven web that is adhered or otherwise secured around the shell's outer circumference and transverse to the shell's longitudinal axis in a manner forming a band therearound.
  • foam tape e.g., 3M Scotch TM Permanent Mounting foam tape (Cat #110)
  • rayon web fleece e.g., cigarette filter tow, cigarette plug wrap, and/or cellulose acetate non-woven web that is adhered or otherwise secured around the shell's outer circumference and transverse to the shell's longitudinal axis in a manner forming a band therearound.
  • FIG. 4C shows the inner/lower layer trimmed to form a cylinder as described and an upper/outer layer 324 of the double-layer tipping wrap 320 provided in the form of an adhesive label or sleeve 324 (which may include pressure-sensitive or pressure-activated adhesive).
  • the inner/lower layer 322 will a first thickness that is greater than a second thickness of the upper/outer layer 324.
  • the upper/outer layer 324 may include indicia (letters/words, images, colors, textures, or other indicia) that identify properties of the mouthpiece 302 and/or a smoking article incorporating the mouthpiece.
  • Exemplary indicia may communicate flavor(s), product source identification (e.g., branding, trademark, etc.), and/or other information, and/or it may provide aesthetic appeal.
  • the label 324 may be an adhesive label with a paper and/or polymer construction. For example, its construction may be the same as or similar to the filter paper or plug wrap used on conventional cigarettes.
  • the materials and methods described here with reference to FIGS. 4A-4C may be used with the working examples described above related to FIGS. 3A-3B .
  • FIGS. 5A-5D show a method of assembling a double-wrapped mouthpiece 402 for a smoking article
  • FIG. 5E shows a transverse cross-sectional view of the assembled mouthpiece.
  • an inner layer portion 422 of an elongate double-tipping wrap 420 is attached to a mouthpiece tube 403 (e.g., by a pressure-sensitive adhesive or other adhesive or attachment means).
  • the double-tipping wrap 420 preferably includes a total length at least about twice the outer circumference of the tube 403, and may include an overlap portion to form a length exceeding that outer circumference (e.g., by about 3 mm to about 6 mm or more) such that an outermost end of the elongate tipping wrap overlaps an innermost end thereof when wrapped around the mouthpiece.
  • the length may be three or more times the outer circumference, but preferably is about a whole number multiple of the outer circumference.
  • a first portion of the length is sufficient to encircle the outer circumference of the mouthpiece tube 403, as the tube is rolled up into the wrap 420.
  • This first lengthwise portion preferably includes a cushioning-type material, such as - for example - one of the cushioning-type materials described above with reference to FIGS. 3A-4C .
  • a second lengthwise portion of the double-tipping wrap 420 includes what will form an outward-facing surface configured as an upper/outer layer 424, which may include indicia (letters/words, images, colors, textures, or other indicia, such as - for example - the indicia identified by reference number 427) that identify properties, manufacturing source, or other information about the mouthpiece 402 and/or a smoking article incorporating the mouthpiece.
  • indicia letters/words, images, colors, textures, or other indicia, such as - for example - the indicia identified by reference number 427) that identify properties, manufacturing source, or other information about the mouthpiece 402 and/or a smoking article incorporating the mouthpiece.
  • FIG. 5D shows the mouthpiece 402 with the double-tipping wrap 420 wrapped nearly two full times around the tube body 403, which has been rolled/rotated nearly 720° to engage the double-tipping wrap 420.
  • the upper/outer layer encompasses the inner/lower layer, as shown in the transverse section view of FIG. 5E , which shows the mouthpiece 402 as fully assembled.
  • the contours of the layers and the assembly process may be configured to provide a substantially circular outer profile without a significantly tactile-noticeable seam at the outermost end of the upper/outer layer 424.
  • certain embodiments may include a tipping cover, which may be configured (for example) as a polymeric label and may be configured to receive and/or display visual indicia (e.g., providing information about a smoking article or smoking article component such as, for example, trade name, flavor(s), or other characteristics).
  • the tipping cover may be constructed as a wrappable strip, a tube, or other configuration. Examples of tipping covers including polymeric labels that may be configured as heat-shrink tubes or in other configurations are described below, including with reference to FIGS. 6-9 , each of which diagrammatically shows structural layers for a tubular or strip construction of a tipping cover.
  • Such tubular tipping cover constructions may be slid on, rolled on, and/or otherwise oriented around the mouthpiece, and - depending upon the size and composition - may be heat-shrunk to conform, may be applied with adhesive, or otherwise secured to the mouthpiece using means appropriate to the tipping cover, which will be appreciated by those of skill in the art with reference to the particular composition of the tipping cover.
  • FIG. 6 diagrammatically shows an exploded section view of a tipping cover 604 (which may be configured as a tubular sleeve, a wrap, or other construction, including - for example - heat-shrinkable, tightly-conforming, or other-dimensioned construction).
  • the multi-layer construction may include printing/graphics 604b applied outward/upward facing to an inner surface of an outer layer 604a, or to an outer surface of an inner layer 604g. It should be appreciated in this and other embodiments that a "printing/ graphics/ color layer" will not have substantial structural thickness and that - as with other drawing figures - diagrammatic FIGS. 6-9 are not to scale.
  • An adhesive layer 604h (e.g., pressure sensitive or other adhesive) may be provided to secure to a mouthpiece body 603 and/or to cushioning material (not shown) around that body, such as described with reference to FIGS. 3A-5E .
  • the tipping cover 604 When the tipping cover 604 is applied to a mouthpiece, smoking article, or the like, the final appearance may be substantially similar to that shown in FIGS. 2A-2C .
  • heavy gauge (that is, about 100 ⁇ m to about 150 ⁇ m thick) reverse-printed PVC or PETG sleeves may be used to cover and/or decorate the unwrapped, single-wrapped, or multi-wrapped cushioned surface of a mouth end piece.
  • the printed material e.g., graphic images, characters
  • FIG. 7 diagrammatically depicts an exploded section view of a tipping cover 704 (which may be configured as a sleeve, a wrap, or other construction).
  • the single layer 704a may include printing/graphics 704b applied outward/upward facing to an inner surface of the layer 704a, which inner surface will be applied/ secured to a mouthpiece body and/or cushioning material around that body. As described elsewhere, this securement and that of the other embodiments or combinations thereof may be done using heat-shrink, adhesive, and/or other securement means, potentially including friction-fit.
  • the tipping cover 704 When the tipping cover 704 is applied to a mouthpiece, smoking article, or the like, the final appearance may be substantially similar to that shown in FIGS. 2A-2C .
  • standard gauge that is, about 50 ⁇ m to about 70 ⁇ m thick
  • PETG, PS, and/or PVC shrink sleeve materials may be adhesive-laminated together to form a two-ply shrink sleeve (about 125 ⁇ m to about 170 ⁇ m thick).
  • the inner side of an outer, outward-facing layer may be reverse printed with indicia, and adhered (e.g., by emulsion laminated adhesive) to an inward-facing solvent seamed layer of PETG, PS, and/or PVC.
  • FIG. 8 diagrammatically depicts an exploded section view of a composite tipping cover 804 (which may be configured as a sleeve, a wrap, or other construction).
  • An outer layer 804a may include printing/graphics 804b applied outward/upward facing to an inner surface of the outer layer 804a, which inner surface will be adhered to an inner layer 804g by an adhesive 804c.
  • the inward/downward facing surface of the inner layer 804g which will be applied/ secured to a mouthpiece body and/or cushioning material around that body (not shown). As described elsewhere, this securement and that of the other embodiments or combinations thereof may be done using heat-shrink, adhesive, and/or other securement means including friction fit.
  • the tipping cover 804 When the tipping cover 804 is applied to a mouthpiece, smoking article, or the like, the final appearance may be substantially similar to that shown in FIGS. 2A-2C .
  • Appropriate adhesives used for forming multilayer tipping covers may include -for example- dry bond or wet bond adhesives.
  • Illustrative (but non-limiting) examples of dry bond adhesives generally may be applied as follows: a liquid form of the adhesive (e.g., polyurethane dispersion, acrylic emulsion, water-based EVA and PVOH, high-solid silicone solvents) may be coated on the substrate (one layer of a multi-ply composite), dried and then laminated to a second, third, etc. substrate using heated nip rolls.
  • Illustrative (but non-limiting) examples of wet bond adhesives generally may be applied as follows: a liquid form of the adhesive (e.g., polyurethane dispersion, acrylic emulsions, water-based EVA, PVOH, latex) may be coated on the substrate (one layer of a multi-ply composite), laminated to a second, third, etc. substrate, and then dried using heat such as heated air flow.
  • the ink may be a water-based or solvent-based ink, preferably approved for use with food, tobacco, and similar products (e.g., including well-known inks available from Sun Chemical of Richmond, Va.).
  • a three-ply polymeric label may be provided, including an outer, outward-facing layer (which may be reverse printed with indicia) of PETG, PS, and/or PVC shrink sleeve materials.
  • This outer layer may be adhesive laminated to an intermediate core layer (of a bulk softening material, for example, PE, EVA, and/or CoPP).
  • This intermediate core layer may be adhesive laminated to an inner layer of solvent seamed PETG, PS, and/or PVC.
  • the inner surface of the intermediate layer and/or the outward-facing surface of the inner layer may be printed with a solid color, with the same or different graphic(s) as the outer layer.
  • standard (about 50 ⁇ m thick) PETG shrink sleeve materials may be adhesive laminated on either side of a low-melting, (about a 50 ⁇ m to about 75 ⁇ m thick) polyolefin core layer to form an about 150 ⁇ m to about 175 ⁇ m thick composite structure.
  • the core layer may be clear, and its thickness and/or greater elasticity/ lower durometer preferably will provide a mouth feel that may be more comfortable/ desirable to a user than an uncoated metal tube body of a smoking article.
  • FIG. 9 diagrammatically depicts an exploded section view of a composite tipping cover 904 (which may be configured as a sleeve, a wrap, or other construction).
  • An outer layer 904a may include printing/graphics 904b applied outward/upward facing to an inner surface of the outer layer 904a, which inner surface may be adhered to an intermediate/core layer 904d by an adhesive 904c.
  • a second layer of adhesive 904e may secure the intermediate layer 904d of this three-ply construction to the inner layer 904g, an outward-facing surface of which may include a print layer (e.g., graphics, solid color(s)) 904f.
  • a print layer e.g., graphics, solid color(s)
  • the inward/downward facing surface of the inner layer 904g may be applied/ secured to a mouthpiece body and/or cushioning material around that body (not shown).
  • the tipping cover 904 When the tipping cover 904 is applied to a mouthpiece, smoking article, or the like, the final appearance may be substantially similar to that shown in FIGS. 2A-2C .
  • the shrink sleeve materials may be heated or otherwise activated to shrink conformingly around a single or multiple layer of wrapping material that, as applied, provides a lower durometer/ greater flexibility than the rigid body of a tubular mouthpiece (corresponding to a more desirable mouth-feel/ bite for many users).
  • they may be applied directly to the rigid tube body.
  • the application may be secured by using heat shrink activation in a manner known in the art and appropriate to the particular heat-shrink properties known for the given material.
  • the material may be applied as an overmold.
  • the steel tube with or without a sleeve or wrap-around label or cushioning material already applied to it, may be inserted into a slightly larger-diameter injection mold cavity, whereupon a molten thermoplastic is injected into the gap between the tube and the cavity wall to form a tightly adhered outer cylindrical sleeve around the tube.
  • adhesive may be used to secure a tipping cover to underlying material.
  • any combination of heat-shrink, adhesive, and overmolding may be used to secure a tipping cover to a mouthpiece and or greater portion of a smoking article, whether directly to a rigid tube body and/or to underlying material such as the cushioning material(s) discussed herein.
  • tipping covers may include silicone, latex, PET (polyethylene terephthalate), PETG (polyethylene terephthalate copolymer), PS (polystyrene), OPP (oriented polypropylene), BOPP (biaxially-oriented polypropylene), OPS (oriented polystyrene), PE (polyethylene), EPS (expanded polystyrene), PEF (polyethylene furanoate), PVDF (polyvinylidene difluoride), PEX (cross-linked polyethylene), PEBAX (polyether block amide; including heat-shrink PEBAX), PE (polyethylene), EVA (ethylene vinyl acetate), CoPP (polypropylene copolymer), FEP (fluorinated ethylene propylene), PTFE (polytetrafluoroethylene), and PVC (polyvinyl chloride), or any combination thereof within a single layer, within each layer of a multi-layer composition, and/or in each of
  • Tipping covers using these materials may be configured as seamed or seamless shrink-tubes, shrink sleeves, soft sleeves (e.g., silicone tube/sleeve; a sleeve that may be stretched, pulled over the tube, then released to conform therearound, in contrast to tubes or sleeves that may be slipped on and shrunk by heat, UV, or other means), adhesive labels, stretch labels, stretch tubes, or composites/hybrids of one or more such structures.
  • soft sleeves e.g., silicone tube/sleeve; a sleeve that may be stretched, pulled over the tube, then released to conform therearound, in contrast to tubes or sleeves that may be slipped on and shrunk by heat, UV, or other means
  • adhesive labels e.g., silicone tube/sleeve; a sleeve that may be stretched, pulled over the tube, then released to conform therearound, in contrast to tubes or sleeves that may be slipped on and shrunk by heat, UV, or other means
  • stretch labels e.g.,
  • Shrink sleeves are distinctly different from the elastic, rollable, or other soft sleeve embodiments described, which do not use a process of heating or otherwise treating the shrink material to conform and, in many embodiments, adhere to the underlying tube - which may include cushioning wrap material. It should also be noted that wrap materials may be applied in some mode other than an encircling/wrapping motion.
  • shrink sleeve and/or shrink tube materials described herein have properties well-known in the material science arts such that, one having skill in the art and informed by the present disclosure will be enabled to construct such a tube and/or sleeve, and apply material-appropriate-manner of curing or other treatment (e.g., UV or other EMF irradiation, heat, chemical treatment, or other means) that will shrink the tube and/or sleeve in a manner conforming to an underlying generally rigid tube body, which may further include one or more cushioning wrap layers.
  • material-appropriate-manner of curing or other treatment e.g., UV or other EMF irradiation, heat, chemical treatment, or other means
  • tipping cover embodiments may include or be comprised essentially of a shrink material (e.g., in the form of a tube and/or sleeve) that is configured to conform securely around the mouthpiece tube body and/or any material in between the tube body and the tipping cover when treated in a material-appropriate-manner.
  • a shrink material e.g., in the form of a tube and/or sleeve
  • the inner layer may be a single-wrapped cushioning or other material, including polymer label-type material, or a multi wrapped cushioning or other material.
  • a "patch" label or layer refers to a layer that encircles less than a full circumference of the underlying tube body.
  • EXAMPLE 1 Using a 9.2 mm diameter stainless steel tube about 50 mm in length, a strip of 3M Scotch TM Permanent Mounting foam tape (Cat #110) was adhered to one edge of the tube at about a 25 degree angle relative to the tube's longitudinal axis and spiral wound with the tape's edges abutted tightly together to form a continuous layer of foam about 1.5 mm thick. Edges were trimmed to provide an approximately 35 mm length of cushioned surface upon which a preprinted polymer wrapper label was applied (multi-layer laminate comprising PE and OPP films). Resulting diameter of the mouth end piece was 12.7 mm.
  • a desirable range of foam thickness may include about 0.1 mm to about 1.0 mm or, in some embodiments, about 0.30 mm to about 0.70 mm when an embodiment is desired with a smaller diameter mouthpiece than the about 1.5 mm- to about 2 mm-thick foam tape provided in this Example.
  • Another iteration of this concept would be to have the foam layer pre-applied as part of the pre-printed label's construction (e.g., Labec TM by Commodore Solutions of Bloomfield, NY). (This embodiment is similar to that described above with reference to FIGS. 4 A-C ).
  • EXAMPLE 2 Another example of a multi-wrapped mouthpiece was constructed using a strip of non-woven cellulose acetate web that was about 1.7 mm thick by about 25 mm wide that was cut to a length of about 29 mm. After using transparent tape to anchor it to an about 9.2 mm outer diameter stainless steel tube, the non-woven cellulose acetate piece was wrapped around the tube with the about 29 mm length encircling the tube to form a "butt joint.” Thereafter, another strip with about the same dimensions was attached in the same manner immediately abutting the first strip along the longitudinal end of each, and was then cut circumferentially to form about am about 36 mm longitudinal length of the padded tube mouthpiece along the tube.
  • a preprinted polymer wrapper label was applied.
  • the resulting outer diameter of the mouth end piece was about 11.2 mm.
  • a desirable range of web thickness may include about 0.1 mm to about 1.0 mm or, in some embodiments, about 0.30 mm to about 0.70 mm thickness, which may be about 0.5 mm. (This embodiment is somewhat similar to that shown in FIG. 4 B , except that the abutting seam between web portions is transversely circumferential around the tube body, rather spiral wound.)
  • EXAMPLE 3 Another example of a multi-wrapped mouthpiece was constructed using a strip of non-woven Rayon fleece web that was about 0.15 mm thick by about 36 mm wide, which was cut to a length of about 29 mm. After using transparent tape to anchor this strip to an about 9.2 mm outer diameter stainless steel tube, the non-woven Rayon fleece piece was wrapped around the tube with the about 29 mm length encircling the tube. A preprinted polymer wrapper label was applied over the fleece piece to form the cushioned mouth end tipping. Resulting diameter of the mouth end piece was about 9.6 mm.
  • a desirable fleece thickness in certain embodiments where a smaller diameter is desired may range from about 0.1 mm to about 1.0 mm, with certain embodiments preferably about 0.30 mm to 0.70 mm, which may be about 0.5 mm.
  • EXAMPLE 4 Additionally, another similar (to Example 2) cigarette mouth piece was constructed by using transparent tape to anchor a non-woven Rayon fleece strip that was about 58 mm long to an about 9.2 mm outer diameter stainless steel tube and wrapped around the tube with the about 52 mm length encircling the tube twice to form an overlapping joint. A preprinted polymer wrapper label was applied over this fleece strip to form the mouth end tipping. The resulting diameter of the mouth end piece was about 10 mm.
  • EXAMPLE 5 Another cigarette mouth piece (similar to Examples 2 and 3) was constructed by using transparent tape to anchor a non-woven Rayon fleece strip that was about 88 mm long to an about 9.2 mm outer diameter stainless steel tube and wrapped around the tube with the about 88 mm length thrice encircling the tube to form an overlapping joint. A preprinted polymer wrapper label was applied over the fleece piece to form the mouth end tipping. Resulting diameter of the mouth end piece was about 11.1 mm.
  • a desirable range of fleece thickness in some other embodiments may range from about 0.1 mm to about 1.0 mm or, in certain embodiments, about 0.30 mm to about 0.70 mm, which may be about 0.5 mm. (The construction of this example may be appreciated with reference to FIGS. 5 A-C , although those drawings do not show the multiply-wrapped aspect of the fleece strip).
  • EXAMPLE 6 Another example of a multi-wrapped mouthpiece was constructed using a strip of 50 gram/m 2 tipping paper web that was about 0.077 mm thick and about 36 mm wide, which was cut to a length of about 29 mm. After using transparent tape to anchor the strip of paper web to an about 9.2 mm outer diameter stainless steel tube, the 50 gram tipping paper piece was wrapped around the tube with the about 29 mm length encircling the tube. A preprinted polymer wrapper label was applied over the paper piece to form the mouth end tipping. The outer diameter of the mouth end piece thus formed was about 10.0 mm.
  • a desirable range of paper web thickness in certain other embodiments may range from about 0.1 mm to about 1.0 mm or, in some embodiments, about 0.30 mm to about 0.70 mm, which may be about 0.4 mm or about 0.5 mm.
  • EXAMPLE 7 Another cigarette mouth piece was constructed by using transparent tape to anchor a 50 gram/m 2 tipping paper piece that was about 58 mm long to a 9.2 mm outer diameter stainless steel tube. Thereafter, the tipping paper was wrapped around the tube with the about 58 mm length encircling the tube twice and forming an overlapping joint. A pre-printed polymer wrapper label was applied over the paper piece to complete the mouth end tipping structure. The final outer diameter of the mouth end piece was about 10.4 mm.
  • EXAMPLE 8 Another cigarette mouth piece (similar to Examples 5 and 6) was constructed using transparent tape to anchor a 50-gram tipping paper strip that was about 88 mm long to an about 9.2 mm stainless steel tube. The tipping paper strip was thrice wrapped around the tube to form a cushioned mouth end. A preprinted polymer wrapper label was applied over the paper piece to form the mouth end tipping. Resulting diameter of the mouth end piece was about 11.5 mm.
  • a desirable range of paper web thickness in certain other embodiments may range from about 0.1 mm to about 1.0 mm or, in some embodiments, about 0.30 mm to about 0.70 mm, which may be about 0.4 mm or about 0.5 mm.
  • EXAMPLE 9 Another smoking article mouthpiece was constructed as follows: an about 33 mm wide by about 36 mm long self-adhesive label strip with printed insignia was applied to a stainless steel tube about 9.2 mm in outer diameter and about 37 mm in height. The label was manually wrapped in its width direction around the steel tube so that the label overlapped with itself by about 4 mm. A length of Raychem RNF-100-1/2-CL-FSP clear cross-linked polyethylene shrink tubing was received in flattened form from Tyco Electronics (Menlo Park, Calif.). An about 37 mm-long piece was cut and slipped over the stainless steel tube previously prepared as described.
  • This shrink tubing had an original layflat width of 22 mm, corresponding to an outer diameter of 14mm when shaped round, so that it could be slipped effortlessly onto the steel tube.
  • the tubing was shrunk in a natural convection oven preheated to 235°F for about 5 minutes, then removed from the oven and allowed to cool back to room temperature. In the final product, the tubing was tightly shrunk around the steel tube and self-adhesive label.
  • the lengths of the shrink tubing and steel tube matched each other closely.
  • the insignia on the self-adhesive label were clearly and vividly visible through the shrink tubing.
  • the shrunk tubing had a final thickness of about 0.45mm.
  • the self-adhesive label overlap could not be felt by touch through the shrink tubing such that there was no perceptible seam line.
  • the tipping cover embodied here as a heat-shrink sleeve may cover the entire smoking article length, or any portion thereof (e.g., limited to the mouthpiece length, or to some other length as desired).

Claims (13)

  1. Embout buccal pour un article à fumer (100), l'embout buccal comprenant :
    une portion d'embout buccal incluant un tube rigide (303 ; 403) comportant une circonférence extérieure constituée d'un matériau métallique ou d'un matériau céramique ; et
    un recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904) comportant une longueur longitudinale ;
    dans lequel le recouvrement de manchette (504 ; 604 ; 704 ; 804) encercle une circonférence extérieure de la portion d'embout buccal pour constituer au moins une couche unique qui présente une flexibilité supérieure et une résistance inférieure aux indentations par rapport au tube rigide (303 ; 403) ;
    une enveloppe de manchette (320 ; 420) disposée entre le recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904 ; 303 ; 403) et le tube rigide (303 ; 403),
    dans lequel l'enveloppe de manchette (320 ; 420) est configurée en tant qu'une enveloppe de manchette allongée comportant une longueur au moins environ deux fois supérieure à la circonférence extérieure ;
    dans lequel l'enveloppe de manchette (320 ; 420) allongée est enveloppée deux fois transversalement autour de la circonférence extérieure de la portion d'embout buccal pour constituer au moins une couche double (322 ; 324 ; 422 ; 424) ;
    dans lequel l'enveloppe de manchette (320 ; 420) allongée comprend un adhésif sensible à la pression reliant l'enveloppe à celui-ci, au tube rigide (303 ; 403) ou aux deux ;
    dans lequel l'enveloppe de manchette (320 ; 420) allongée comprend un voile, un papier filtre, un papier de gainage, une bande non tissée d'acétate de cellulose, un film polymère, une mousse polymère ou toute combinaison de ce qui précède ;
    dans lequel le recouvrement de manchette (504 ; 604 ; 704 ; 804) comprend une étiquette polymère constituant un tube sans raccord.
  2. Embout buccal selon la revendication 1, dans lequel le tube rigide (303 ; 403) est constitué d'une combinaison d'un matériau métallique et d'un matériau céramique.
  3. Embout buccal selon la revendication 1, dans lequel le recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904) est configuré pour recevoir et/ou afficher un indice visuel (427).
  4. Embout buccal selon la revendication 1, dans lequel le recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904) comprend un adhésif sensible à la pression raccordant le recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904) au tube rigide (303 ; 403).
  5. Embout buccal selon la revendication 1, dans lequel le recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904) comprend une étiquette polymère avec un indice visible comportant des informations relatives à un article à fumer.
  6. Embout buccal selon la revendication 1, dans lequel le recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904) comprend une couche extérieure (604a ; 804a ; 904a) et une couche intérieure (604g ; 804g ; 904g).
  7. Embout buccal selon la revendication 6, dans lequel l'une ou les deux parmi la couche intérieure (604a ; 804a ; 904a) et la couche extérieure (604g ; 804g ; 904g) comprennent : silicone, latex, PETG, PS, PET, OPP, BOPP, OPS, PE, EPS, PEF, PVDF, PEX, PEBAX, PE, EVA, CoPP, FEP, PTFE et PVC, ou toute combinaison de ce qui précède à l'intérieur de chaque couche, et/ou dans chacune de la couche intérieure (604a ; 804a ; 904a) et la couche extérieure (604g ; 804g ; 904g).
  8. Embout buccal selon la revendication 6, comprenant en outre au moins une couche intermédiaire (904d) collée entre la couche extérieure (904a) et la couche intérieure (904g).
  9. Embout buccal selon la revendication 8, dans lequel l'au moins une couche intermédiaire (904d) est généralement claire/transparente et dans lequel la surface intérieure de la couche extérieure (904a), la surface extérieure de la couche intérieure (904g) ou les deux est/sont imprimée(s) avec un ou plusieurs parmi : une couleur, un graphique et d'autres indices (904b).
  10. Embout buccal selon la revendication 8, dans lequel l'au moins une couche intermédiaire (904d) comprend PE, EVA et CoPP ou toute combinaison de ce qui précède.
  11. Embout buccal selon la revendication 1, dans lequel le recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904) comprend un matériau thermorétractable configuré pour suivre parfaitement les contours du tube (303 ; 403) et/ou tout matériau entre le tube et le recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904).
  12. Embout buccal selon la revendication 1, dans lequel le recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904) comprend un tube et/ou une gaine de matériau rétractable configurés pour suivre parfaitement les contours du tube (303 ; 403) et/ou tout matériau entre le tube (303 ; 403) et le recouvrement de manchette (504 ; 604 ; 704 ; 804 ; 904) lorsqu'ils sont traités d'une manière appropriée pour le matériau.
  13. Article à fumer (100) comprenant l'embout buccal (302 ; 402) selon l'une des revendications 1 à 12.
EP14790405.6A 2013-11-11 2014-10-01 Embout buccal pour article à fumer Active EP3068245B1 (fr)

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US14/076,807 US20150128969A1 (en) 2013-11-11 2013-11-11 Mouthpiece for smoking article
PCT/US2014/058568 WO2015069392A1 (fr) 2013-11-11 2014-10-01 Embout buccal pour article à fumer

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EP3068245A1 EP3068245A1 (fr) 2016-09-21
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US20150128969A1 (en) 2015-05-14
JP6664330B2 (ja) 2020-03-13
EP3068245A1 (fr) 2016-09-21
CN106132218B (zh) 2021-02-05
WO2015069392A1 (fr) 2015-05-14
CN106132218A (zh) 2016-11-16
JP2016535605A (ja) 2016-11-17

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