EP3939439A1 - Verfahren zur herstellung eines aerosolerzeugungsartikels sowie aerosolerzeugungsartikel - Google Patents
Verfahren zur herstellung eines aerosolerzeugungsartikels sowie aerosolerzeugungsartikel Download PDFInfo
- Publication number
- EP3939439A1 EP3939439A1 EP20185716.6A EP20185716A EP3939439A1 EP 3939439 A1 EP3939439 A1 EP 3939439A1 EP 20185716 A EP20185716 A EP 20185716A EP 3939439 A1 EP3939439 A1 EP 3939439A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- aerosol
- binding agent
- generating article
- distal
- proximal
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title description 18
- 239000011230 binding agent Substances 0.000 claims abstract description 159
- 238000000034 method Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 241000208125 Nicotiana Species 0.000 claims description 41
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 41
- 239000001993 wax Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 21
- 229920002472 Starch Polymers 0.000 claims description 10
- 235000019698 starch Nutrition 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 9
- 239000000796 flavoring agent Substances 0.000 claims description 9
- 235000019634 flavors Nutrition 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 229920001817 Agar Polymers 0.000 claims description 7
- 235000013871 bee wax Nutrition 0.000 claims description 7
- 239000012166 beeswax Substances 0.000 claims description 7
- 239000012164 animal wax Substances 0.000 claims description 6
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- 241000206672 Gelidium Species 0.000 claims description 5
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- 239000000499 gel Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 239000012165 plant wax Substances 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000000346 sugar Nutrition 0.000 claims description 5
- 150000008163 sugars Chemical class 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000443 aerosol Substances 0.000 description 30
- 235000019504 cigarettes Nutrition 0.000 description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000002245 particle Substances 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- 230000000996 additive effect Effects 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 230000000391 smoking effect Effects 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
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- 238000012856 packing Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 2
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- 238000007711 solidification Methods 0.000 description 2
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- 239000002562 thickening agent Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 1
- 241001280436 Allium schoenoprasum Species 0.000 description 1
- 235000001270 Allium sibiricum Nutrition 0.000 description 1
- 244000223760 Cinnamomum zeylanicum Species 0.000 description 1
- 244000018436 Coriandrum sativum Species 0.000 description 1
- 235000002787 Coriandrum sativum Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 1
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
- 229930091371 Fructose Natural products 0.000 description 1
- 239000005715 Fructose Substances 0.000 description 1
- 235000010254 Jasminum officinale Nutrition 0.000 description 1
- 240000005385 Jasminum sambac Species 0.000 description 1
- 239000004166 Lanolin Substances 0.000 description 1
- 244000178870 Lavandula angustifolia Species 0.000 description 1
- 235000010663 Lavandula angustifolia Nutrition 0.000 description 1
- 229920003266 Leaf® Polymers 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 244000062730 Melissa officinalis Species 0.000 description 1
- 235000010654 Melissa officinalis Nutrition 0.000 description 1
- 235000014749 Mentha crispa Nutrition 0.000 description 1
- 244000246386 Mentha pulegium Species 0.000 description 1
- 235000016257 Mentha pulegium Nutrition 0.000 description 1
- 244000078639 Mentha spicata Species 0.000 description 1
- 235000004357 Mentha x piperita Nutrition 0.000 description 1
- 241001529734 Ocimum Species 0.000 description 1
- 240000004737 Ocimum americanum Species 0.000 description 1
- 235000010676 Ocimum basilicum Nutrition 0.000 description 1
- 235000004195 Ocimum x citriodorum Nutrition 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- 244000044822 Simmondsia californica Species 0.000 description 1
- 235000004433 Simmondsia californica Nutrition 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 235000007303 Thymus vulgaris Nutrition 0.000 description 1
- 240000002657 Thymus vulgaris Species 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000004204 candelilla wax Substances 0.000 description 1
- 235000013868 candelilla wax Nutrition 0.000 description 1
- 229940073532 candelilla wax Drugs 0.000 description 1
- 239000004203 carnauba wax Substances 0.000 description 1
- 235000013869 carnauba wax Nutrition 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000012174 chinese wax Substances 0.000 description 1
- 235000017803 cinnamon Nutrition 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012183 esparto wax Substances 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- IUJAMGNYPWYUPM-UHFFFAOYSA-N hentriacontane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC IUJAMGNYPWYUPM-UHFFFAOYSA-N 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 235000001050 hortel pimenta Nutrition 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000012182 japan wax Substances 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 239000001102 lavandula vera Substances 0.000 description 1
- 235000018219 lavender Nutrition 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012187 peat wax Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004170 rice bran wax Substances 0.000 description 1
- 235000019384 rice bran wax Nutrition 0.000 description 1
- 235000002020 sage Nutrition 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 239000012177 spermaceti Substances 0.000 description 1
- 229940084106 spermaceti Drugs 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- -1 syrup Chemical class 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- 239000001585 thymus vulgaris Substances 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/60—Final treatment of cigarettes, e.g. marking, printing, branding, decorating
- A24C5/608—Treating cigarettes with a liquid or viscous solution
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
Definitions
- loose ends are an issue in cigarette manufacturing. After wrapping cigarettes and especially loose tobacco with wrapping paper, these loose ends are an end of the wrapped tobacco rod, which is open so that loose tobacco can fall out of the cigarette. In the manufacturing process of cigarettes that loose tobacco falls out of the cigarettes causing dirt in the machines. The machines then have to be stopped to be cleaned. Moreover, the loose tobacco, which fell out of the cigarettes during production leads to a lower yield and an increased tobacco waste. Therefore production costs of cigarettes are increased with high waste of tobacco.
- the binding agent is applied onto at least a part of the distal end and/or the proximal end of the aerosol-generating article.
- the binding agent is applied onto a face of the distal and/or a proximal end, especially a face, which preferably is arranged perpendicular to the longitudinal axis.
- binding agent sticks onto the distal end and/or the proximal end of the aerosol-generating article. That way, the binding agent is able to fix loose particles onto each other and/or other cut filler particles and/or onto the wrapping element and/or filter material.
- the binding agent can be melted with subsequent vaporization or directly sublimated at temperatures above 60°C, preferably above 80°C, preferably above 100°C and/or when the binding agent comes in contact to heat, especially heat generated by fire or an electrical device. That way, the binding agent will not disturb the smoking experience and/or hinder the aerosol-generating substrate to release aerosol.
- the binding agent comprises at least one material of a group of materials that contains sugars, such as syrup, honey or molasses), saccarose, fructose, xytol or the like, starches, starch based glues, agar agar, gel, waxes and/or flavors and/or combinations thereof. It may be possible, that the binding agent is a thickening agent, which is ideally liquifiable by mixing it with water and/or that hardens after drying.
- a flavor as a constituent of the binding agent, such as menthol, peppermint and/or spearmint, lemon balm, basil, cinnamon, lemon basil, chive, coriander, lavender, sage, tea, thyme or a combination thereof, it will provide a special taste while consuming the aerosol-generating article.
- a further step provides melting the binding agent and/or wax preferably above 50°C, preferably above 55°C, preferably above 60°C and/or below 80°C, preferably below 70°C and preferably below 65°C.
- the binding agent and/or wax is melted at temperatures between 60°C and 70°C in order to liquefy it to ensure a good processability of the binding agent and/or wax.
- the liquefied binding agent and/or wax is sprayable and/or castable and/or spreadable.
- the binding agent is soluble in fat, at least partially soluble in alcohol and/or insoluble in water.
- the alcohol is a long-chained alcohol.
- the binding agent has a good miscibility with fat and/or alcohol so that the properties of the binding agent are configurable and adjustable to specific applications and moreover to guarantee a good processing during production of the smoking article.
- the binding agent may also be soluble in water so that it can be liquefied at room temperatures.
- the binding agent has a density preferably larger than 0.80 g/cm 3 , preferably larger than 0.90 g/cm 3 , preferably larger than 0.95 g/cm 3 and/or smaller than 1 g/cm 3 , preferably smaller than 0.98 g/cm 3 and preferably smaller than 0.97 g/cm 3 .
- density is well suitable for processing and handling the binding agent.
- the binding agent is plastic in a solid state and sprayable and/or castable in a liquid state to guarantee a good processing of the binding agent.
- the binding agent solidifies by cooling and/or drying of the binding agent.
- the binding agent may be transformable from a solid into a liquid state and vice versa.
- the binding agent may also harden by heating it or mixing it with e.g. water so that the binding agent can be processed in a liquid form and/or stored and/or transported in a solid form.
- the method comprises a step of drying the binding agent.
- the binding agent may also be cooled.
- the step of drying and/or cooling the binding agent takes place before packing the smoking articles so that a risk of a damage of the solidified binding agent by further processing of the aerosol generating article and/or its components is reduced.
- the application of the binding agent takes place in a horizontal or vertical position of the aerosol-generating article, wherein a face of the distal and/or a proximal end is arranged perpendicular to the longitudinal axis of the position of the aerosol-generating article. It may also be possible, that the distal and/or proximal end of the aerosol generating article is dipped into the binding agent to coat the end/s with binding agent.
- the binding agent is applied to the distal and/or a proximal end of more than one aerosol generating article at the same time.
- several aerosol generating articles are positioned parallel to each other with respect to their longitudinal axes and/or with their distal ends directing into the same direction.
- an additional step of adjusting a distribution element, preferably an orifice, of an application unit to the position of the face of the distal and/or a proximal end is performed.
- the application unit comprises more than one distribution element and in particular the distribution element comprise a nozzle.
- the application unit comprises an array of distribution elements and in particular nozzles to spray the binding agent. It may be possible that one or more of the distribution elements/nozzles are adjusted on the basis of an application pattern and/or that the binding agent is applied by spraying it, ideally on the basis of the spray pulses. This way, the application of the binding agent and/or a flavor is improved, so that ideally material can be saved and/or production costs kept low.
- a center of at least one orifice of the application unit faces a center of the face of the distal and/or a proximal end.
- several or all orifices of the elements of the application unit are directed to at least, especially several faces of the distal and/or proximal ends.
- each orifice is directed to another face so that the binding agent can be applied, in particular sprayed onto several distal and/or proximal ends at the same time.
- the direction of each orifice to the center of the face of the distal and/or proximal end/s allows a precise application of the binding agent onto the distal and/or proximal end/s.
- the application of the binding agent onto the face of the distal and/or a proximal end takes place after formation of the at least one aerosol-generating substrate segment of the aerosol-generating article/s.
- the application of the binding agent onto the distal and/or a proximal end/s of the aerosol generating article/s may take place directly after components of the aerosol generating articles are assembled, e.g. at a cigarette maker so that there is enough time for the binding agent to dry before further processing.
- Such point of application would be the earliest point for the elimination of loose ends and therefore will keep subsequent machines clean from loose tobacco to reduce costs.
- a quantity of preferably below 1.5mg, preferably below 1mg, preferably below 0.8mg of the binding agent is applied to the face of the distal and/or a proximal end.
- a quantity of preferably below 1.5mg, preferably below 1mg, preferably below 0.8mg of the binding agent is applied to the face of the distal and/or a proximal end.
- Preferably, between 0.8 and 1.5, in particular 1 mg of binding agent is applied onto one proximal or distal end of the aerosol generating article.
- a quantity higher than 1.5 mg may have a negative effect on the appearance and/or the technical properties of the aerosol generating article. Too less binding agent may not be enough to overcome the loose ends issue and may not be sufficient to keep the loose tobacco within the aerosol generating article.
- an aerosol-generating article with a distal end and a proximal end and extending in a longitudinal axis between said distal and proximal ends, wherein the aerosol-generating article comprises at least one aerosol-generating substrate segment and at least one filter segment arranged in abutment against each other along said longitudinal axis, wherein at least a part of the filter segment is surrounded by a tipping wrapper for holding the aerosol-generating article. At least a part of the distal end and/or the proximal end is covered with a binding agent to avoid tobacco from falling out of the aerosol-generating article.
- FIG. 1 a chart of steps 1-7 of the method of producing an aerosol-generating article 10 with a binding agent 16 onto a proximal 12 and/or distal 11 end of the aerosol-generating article 10 is shown.
- the aerosol generating article 10 with binding agent applied onto it is schematically shown in figure 2 .
- the aerosol-generating article 10 comprises a longitudinal axis 13 along which at least one aerosol-generating substrate segment 14 and at least one filter segment 15 are arranged, as well as a distal end 11 and a proximal end 12, wherein these ends comprise a face 11a, 12a that is ideally arranged perpendicular to the longitudinal axis 13.
- the aerosol-generating substrate segment comprises tobacco, in particular in the form of tobacco particles.
- the aerosol-generating substrate segment 14 and the filter segment 15 are positioned adjacent to each other or with at least one cavity between them.
- the aerosol-generating substrate segment 14 and the filter segment 15 may both be at least partly surrounded by a wrapping element, ideally made of paper material or plastic material and in particular by a tipping wrapper.
- a position of one or several least one aerosol-generating article/s 10 is recognized by e.g. an automatic and preferably contactless and/or optical and/or electromagnetic recognition method.
- the electromagnetic recognition method uses micro-waves or terahertz waves.
- this step and may be subsequent steps take place between production and packaging of the aerosol-generating article/s and/or directly after components of the aerosol generating article/s is/are assembled e.g. at a maker part of the manufacturing plant, or directly before the aerosol generating article/s are packed into packagings, e.g. at a packing part of the manufacturing plant.
- the aerosol-generating article/s 10 are positioned close to each other and/or arranged in parallel with respect to their longitudinal axes 13.
- the aerosol-generating article/s 10 are arranged such that their distal ends 11 are directed into the same direction or that their proximal ends 12 are directed into the same direction, which is preferably a direction perpendicular to each longitudinal axis 13.
- the faces 11a, 12a of the distal 11 and/or proximal 12 ends of the several aerosol-generating articles 10 may be arranged such they are arranged in the same plane.
- at least one position, in particular several positions of the faces 11a, 12a of different aerosol-generating article/s 10 are recognized by the recognition method.
- the adjustment may be based on the application patterns or rather on the recognized face/s 22 and/or proximal 12 or distal 11 end/s such that ideally, each element/orifice 24 is adjusted and directed to recognized face/s 22 and/or proximal 12 or distal 11 end/s.
- the binding agent 16 is dried.
- drying causes a solidification of the binding agent 16 so that the binding agent ideally solidifies by a transformation from a liquid state to a solid and/or plastic state.
- the binding agent 16 may solidify by cooling it, preferably from down to room temperature, which is in particular below 40°C.
- the binding agent 16 may also solidify due to a loss of liquid constituents, e.g. water and/or heating it to cause a desorption of at least one liquid constituent.
- the finished aerosol-generating article 10 comprising the binding agent 16 are preferably subjected to further standard processing as packaging and/or storage.
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20185716.6A EP3939439A1 (de) | 2020-07-14 | 2020-07-14 | Verfahren zur herstellung eines aerosolerzeugungsartikels sowie aerosolerzeugungsartikel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20185716.6A EP3939439A1 (de) | 2020-07-14 | 2020-07-14 | Verfahren zur herstellung eines aerosolerzeugungsartikels sowie aerosolerzeugungsartikel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3939439A1 true EP3939439A1 (de) | 2022-01-19 |
Family
ID=71614770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20185716.6A Withdrawn EP3939439A1 (de) | 2020-07-14 | 2020-07-14 | Verfahren zur herstellung eines aerosolerzeugungsartikels sowie aerosolerzeugungsartikel |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP3939439A1 (de) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE647478C (de) * | 1934-01-03 | 1937-08-05 | Martin Brinkmann Akt Ges | Verfahren zum Aufbringen von Klebfluessigkeit auf die Enden von Zigaretten |
| GB2163339A (en) * | 1984-08-22 | 1986-02-26 | Molins Plc | Tobacco end sealing |
| US5630432A (en) * | 1988-09-20 | 1997-05-20 | Gaudlitz; Robert T. | Droplet jet application of adhesive to cigarette ends |
| WO2017137857A1 (en) * | 2016-02-09 | 2017-08-17 | Philip Morris Products S.A. | Smoking article with hydrophobic wrapper and reduced tobacco loose ends |
-
2020
- 2020-07-14 EP EP20185716.6A patent/EP3939439A1/de not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE647478C (de) * | 1934-01-03 | 1937-08-05 | Martin Brinkmann Akt Ges | Verfahren zum Aufbringen von Klebfluessigkeit auf die Enden von Zigaretten |
| GB2163339A (en) * | 1984-08-22 | 1986-02-26 | Molins Plc | Tobacco end sealing |
| US5630432A (en) * | 1988-09-20 | 1997-05-20 | Gaudlitz; Robert T. | Droplet jet application of adhesive to cigarette ends |
| WO2017137857A1 (en) * | 2016-02-09 | 2017-08-17 | Philip Morris Products S.A. | Smoking article with hydrophobic wrapper and reduced tobacco loose ends |
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