CN113812674A - Flat-mouth cigarette and preparation method and application thereof - Google Patents
Flat-mouth cigarette and preparation method and application thereof Download PDFInfo
- Publication number
- CN113812674A CN113812674A CN202111187530.8A CN202111187530A CN113812674A CN 113812674 A CN113812674 A CN 113812674A CN 202111187530 A CN202111187530 A CN 202111187530A CN 113812674 A CN113812674 A CN 113812674A
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- Prior art keywords
- cigarette
- flat
- lip
- mouth
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 109
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 230000000391 smoking effect Effects 0.000 claims description 31
- 241000208125 Nicotiana Species 0.000 claims description 23
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000011324 bead Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 238000012795 verification Methods 0.000 claims description 4
- 239000000796 flavoring agent Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 14
- 238000004804 winding Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 13
- 230000000903 blocking effect Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000005802 health problem Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004626 polylactic acid Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
- A24D1/042—Cigars; Cigarettes with mouthpieces or filter-tips with mouthpieces
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
- A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention belongs to the technical field of cigarettes, and particularly relates to a flat-mouth type cigarette and a preparation method and application thereof. One end of the cigarette is a lip-near end, and the maximum size in the length direction on the end face of the lip-near end is larger than the maximum size in the height direction. When a user sucks on the cylindrical cigarette using the hollow pipe or the hollow paper pipe as the winding drum, the mouth of the user is easy to leak air. The suction force can not be completely acted on the cigarette, the smoke generated by the cigarette can not completely enter the mouth of a user, and the smoke can be leaked into the air. The invention creatively designs the near lip end of the cylindrical cigarette into the flat mouth shape, so that the lip can be tightly attached to the flat mouth-shaped near lip end when a user sucks, the air leakage phenomenon can not occur during suction, the smoke leakage is avoided, and the suction experience of the user is also improved.
Description
Technical Field
The invention belongs to the technical field of cigarettes, and particularly relates to a flat-mouth type cigarette and a preparation method and application thereof.
Background
With the improvement of living standard, people pay more and more attention to their health problems, and in recent years, the attention on the health problems of smoking is high. In order to meet the changing consumption requirements of various large enterprises at home and abroad, various heating non-burning cigarettes replacing the traditional cigarettes are developed in a dispute.
The cigarette that does not burn by heating produces the flue gas for the section of fuming that the cigarette propped up by heating, and its acceptance that produces the flue gas taste is better, and the heating that is marketed at present does not burn cigarette and props up mainly including section of fuming, cavity support section, cooling section and filter tip section, and the form of the interior tobacco of section of fuming has: reconstituted tobacco sheets, tobacco shreds, granular tobacco substances, blocky tobacco substances and the like which are filled orderly or disorderly. When the tobacco in the smoking segment is heated, the flavors and fragrances and the smoke agent loaded thereon are evaporated to generate smoke.
In the process of implementing the invention, the inventor finds that the prior art has the following problems:
when the form of the tobacco in the smoking section is granular tobacco material, the smoking section cannot be prepared by adopting a conventional rolling connection mode because the granular tobacco material cannot be formed. In order to pack the particulate tobacco material, the cigarette generally uses a tubular article having a relatively high hardness such as an empty tube or an empty paper tube as a roll, and the particulate tobacco material, a hollow support section, a cooling section, a filter section, and the like are directly packed in the roll to form a cylindrical cigarette. When a user sucks the cigarette, the mouth of the user is easy to leak air because the cylindrical cigarette is not attached to the mouth of the user. The suction force can not be completely acted on the cigarette, the smoke generated by the cigarette can not completely enter the mouth of a user, and the smoke can be leaked into the air.
The present invention has been made to solve the above problems.
Disclosure of Invention
The invention provides a flat mouth type cigarette, wherein one end part of the cigarette is a lip-near end, and the maximum dimension in the length direction on the end surface of the lip-near end is larger than the maximum dimension in the height direction.
The maximum dimension of the end face in the length direction is larger than the maximum dimension of the end face in the height direction, namely the end face is flat.
As used herein, "lengthwise" and "heightwise" are relative terms and refer to any two directions perpendicular to each other on the proximal lip end face.
Preferably, the end surface near the lip end is in an oval shape, a rectangular shape or an irregular pattern as long as the end surface is flat as a whole.
Preferably, the cigarette comprises a hollow pipe, and a smoking section 3, a plugging limiting section 4, a hollow cooling section 6 and a filter section 7 which are filled in the hollow pipe are sequentially contained from the far lip end to the near lip end.
Preferably, the hollow pipe is a paper pipe, a metal foil pipe or a composite pipe of metal foil and paper. The metal foil is arranged on the inner layer of the composite pipe, and the paper is arranged on the outer layer of the composite pipe.
Preferably, the filter segment 7 contains at least one bead 8, and the bead 8 contains a flavor.
The hollow tube has a hardness greater than that of a single layer of conventional cigarette paper or tipping paper.
Preferably, the outermost layer of the labial proximal end is an empty tube; or the outermost layer close to the lip end is a packaging paper layer, and the inner layer of the packaging paper layer is a hollow tube.
Preferably, the outermost layer of the cigarette is a hollow pipe; or the outmost layer of the cigarette is a packaging paper layer, and the inner layer of the packaging paper layer is a hollow tube.
Preferably, the hardness of the tobacco rod is greater than 90%.
The hardness of the cigarettes is measured according to the national measurement and verification procedure JJG1031-2007 cigarette hardness tester verification procedure of the people's republic of China. Specifically, the cigarette hardness is measured by a point-pressing method, and the formula is as follows:
HCI-cigarette hardness;
d, direct cigarette diameter before compression;
a-indentation amount, mm.
Preferably, the other end of the cigarette is a distal lip end, and the end face of the distal lip end is circular, i.e. the distal lip end of at least the smoking section 3 of the cigarette is not flat.
Preferably, a portion of the smoking section 3 of the cigarette is cylindrical and the remainder of the cigarette downstream thereof is collapsed; or the smoking section 3 of the cigarette is cylindrical as a whole and the rest part of the cigarette at the downstream is flattened; or the smoking section 3 and the plugging limit section 4 of the cigarette are cylindrical, and the rest parts of the downstream cigarette are flattened; or the smoking section 3, the plugging limit section 4 and the hollow cooling section 6 of the cigarette are cylindrical, and the filter tip section 7 of the cigarette is flattened.
"downstream" refers to the direction of smoke flow during smoking of the cigarette, and is also the direction toward the labial end of the cigarette.
Preferably, a particulate smoking material is contained within the smoking segment 3. Of course, the smoking segment 3 may also contain one or more of filiform smoking materials and massive smoking materials.
Preferably, the outer surface of the cigarette is a smooth curved surface, that is, the flat shape of the end surface of the near lip end and the round shape of the end surface of the far lip end are in smooth transition.
Preferably, the smoking section 3 of the cigarette is a particle-type smoking substance, and a ventilation sealing film is sealed at the far lip end of the smoking section 3.
The second aspect of the invention provides a method for preparing a flat mouth type cigarette, which comprises the steps of preparing a cylindrical cigarette, pressing the near lip end of the cigarette by using a mold, and pressing the end surface of the near lip end into a flat shape, wherein the flat shape means that the maximum dimension in the length direction on the end surface of the near lip end is larger than the maximum dimension in the height direction.
The shape of the die may be any suitable shape, for example the die may be split up and down to form a recess with an oval cross-section.
The thickness of the mold is controlled to control the length of the tobacco rod to be flattened, for example, when the thickness of the groove of the mold is less than or equal to the length of the tobacco rod filter segment 7, the mold may only flatten the tobacco rod filter segment 7 partially, and the other tobacco rod portions are cylindrical.
When the thickness of the groove of the mold is equal to or greater than the length of the cigarette filter section 7 and less than the sum of the lengths of the filter section 7 and the hollow cooling section 6, the mold may only flatten the cigarette filter section 7 and the hollow cooling section 6, and other cigarette parts are cylindrical, because the cigarette blocking limiting section 4 is a harder cylinder, the cigarette blocking limiting section 4 and the smoking section 3 behind the cigarette blocking limiting section 4 cannot be flattened. Of course, when the plugging limiting section 4 of the cigarette is softer, the flattened part may be the filter section 7, the hollow cooling section 6 and the plugging limiting section 4 or the flattened part may be the whole or part of the filter section 7, the hollow cooling section 6, the plugging limiting section 4 and the smoking section 3.
A third aspect of the invention provides use of a flat-nose cigarette according to the first aspect, wherein the flat-nose cigarette is capable of reducing air leakage rate during smoking by a user.
Compared with the prior art, the invention has the following beneficial effects:
1. when the cylindrical cigarette using the hollow tube or the hollow paper tube as the winding drum is sucked by a user, the cylindrical lip-near end of the cigarette cannot deform and is not cylindrical when being extruded by the mouth of the user because the hardness of the cigarette is higher. The cylindrical near lip end is not attached to the mouth of the user, so that the mouth of the user is easy to leak air. The suction force can not be completely acted on the cigarette, the smoke generated by the cigarette can not completely enter the mouth of a user, and the smoke can be leaked into the air.
The invention creatively designs the near lip end of the cylindrical cigarette into the flat mouth shape, so that the lip can be tightly attached to the flat mouth-shaped near lip end when a user sucks, the air leakage phenomenon can not occur during suction, the smoke leakage is avoided, and the suction experience of the user is also improved.
2. The method is simple to manufacture, and the cylindrical cigarette is prepared by a conventional method and then flattened at the position close to the lip end.
3. The cigarette of the invention is particularly suitable for cigarettes with a particle-type smoke generating material as the smoke generating section 3. The particle type cigarette is a cylindrical cigarette using a hollow tube or a hollow paper tube as a winding drum so as to facilitate the filling of the particle type smoke substances.
4. Because at least the filter tip section of the cigarette is flat, after the round bead blasting is added into the filter tip section, when the bead blasting needs to be pressed by fingers, the hollow pipe of the flat cigarette is compressed to deform. Compared with the deformation of a compressed cylindrical filter tip section, the stroke of deformation of the compressed flat cigarette hollow pipe is smaller, and the explosion beads are easier to be pressed and exploded. In addition, because the deformation that flat cigarette hollow pipe takes place is less, the appearance of filter tip section can not take place obvious deformation, and user's sense organ experience is better. After the compressed cylindrical filter section is deformed, the filter section can be obviously deformed, and the sensory experience of a user is influenced.
Drawings
FIG. 1 is a schematic view of the near-lip open end of a flat-mouth cigarette in example 1.
Fig. 2 is a schematic cross-sectional view of the mold of this example 1.
FIG. 3 is a schematic cross-sectional view of a flat mouth type cigarette according to this embodiment 1.
List of reference numerals:
1. the plug piece 2, the blank pipe, 3, the section of fuming, 4, the spacing section of shutoff, 5, the air vent, 6, the hollow cooling section, 7, the filter section, 8, explode the pearl.
Detailed Description
The present invention will be described in further detail with reference to examples.
It will be appreciated by those skilled in the art that the following examples are illustrative of the invention only and should not be taken as limiting the scope of the invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The materials or equipment used are not indicated by manufacturers, and all are conventional products available by purchase.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, "connected" as used herein may include wirelessly connected.
In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience in describing and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "provided" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations.
It will be understood by those skilled in the art that, unless otherwise defined, all terms including technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Example 1
This embodiment 1 provides a flat mouth type cigarette, a cigarette contains section of fuming 3, spacing section of shutoff 4, cavity cooling section 6, filter section 7 from far away lip end to nearly lip end in proper order. The outmost layer of the cigarette is a hollow tube 2, in particular a hollow paper tube.
The filter segment 7 in this embodiment is the near lip end. The end surface near the lip end is oval. The smoking section 3 is a far lip end, and the end face of the far lip end is circular. The open end face of the flat mouth type cigarette near the lip end is shown in figure 1.
In the flat-mouth cigarette, the smoking section 3, the plugging limiting section 4 and the hollow cooling section 6 are cylindrical. The height and width of the cross-section of the filter segment 7 is not equal to the diameter of the smoking segment 3. From the distal lip end to the proximal lip end, the maximum height of the cross-section of the filter segment 7 gradually and continuously decreases, and the maximum width of the cross-section gradually and continuously increases.
The preparation method of the flat-mouth cigarette comprises the following steps:
And 2, pressing the cigarette lip-near end by using a mold, and pressing the end face of the lip-near end into a basic oval shape. The cigarettes are smoothly flattened from the filter segments 7. The major axis of the ellipse is 8mm and the minor axis is 6 mm.
In the embodiment, the die is split up and down, and a groove or a through hole with an elliptic cross section is formed after combination. The thickness of the groove or through hole is 10 mm. The major axis of the cross section ellipse of the groove or the through hole is 8mm, and the minor axis is 6 mm.
Fig. 2 is a schematic view of the mold of this embodiment, and the upper and lower halves of the mold are combined to form a through hole with an elliptical cross section. During pressing, the filter tip section 7 of the cylindrical cigarette is positioned in the elliptical groove, and the pressure of the die is controlled, so that the filter tip section 7 is only flattened.
FIG. 3 is a schematic cross-sectional view of a flat mouth type cigarette according to this embodiment 1.
Comparative example 1
A cylindrical tobacco rod was prepared according to the method of example 1, according to conventional methods.
Application example 1
The smoking experiment was carried out using the flat-mouth type cigarette prepared in example 1 and the cylindrical cigarette prepared in comparative example 1, respectively, and the results were: when the cigarette with the flat mouth is smoked, the cigarette is basically airtight. When the cylindrical cigarette is sucked, air leakage is obvious.
Claims (10)
1. A flat mouth type cigarette is characterized in that one end of the cigarette is a lip-near end, and the maximum size in the length direction on the end face of the lip-near end is larger than the maximum size in the height direction.
2. The flat-mouth tobacco rod of claim 1 wherein the end surface near the lip end is oval, rectangular or irregular.
3. The flat-mouth cigarette according to claim 1, wherein the cigarette comprises a hollow tube, and the smoking section (3), the plugging limiting section (4), the hollow cooling section (6) and the filter tip section (7) filled in the hollow tube are sequentially arranged from the far lip end to the near lip end.
4. A flat-mouth tobacco rod according to claim 3, characterised in that the filter section (7) contains at least one bead (8), the bead (8) containing flavourant.
5. The flat-mouth tobacco rod of claim 1, wherein the outermost layer of the tobacco rod is a hollow tube; or the outmost layer of the cigarette is a packaging paper layer, and the inner layer of the packaging paper layer is a hollow tube.
6. The flat-mouth cigarette according to claim 1, wherein the hardness of the cigarette is greater than 90%, and the hardness of the cigarette is determined according to the national measurement and verification procedure of the people's republic of china jjjg 1031-2007 cigarette hardness tester verification procedure.
7. The flat-mouth cigarette of claim 1, wherein the other end of the cigarette is a distal lip, the end face of the distal lip being circular.
8. The flat-mouth cigarette as claimed in claim 3, characterized in that the smoking section (3) is a particle-type smoking material, and the distal lip end of the smoking section (3) is sealed with a breathable sealing film.
9. A method for preparing a flat mouth type cigarette is characterized in that a cylindrical cigarette is prepared, then a mold is used for pressing a near lip end of the cigarette, the end face of the near lip end is pressed into a flat shape, and the flat shape means that the maximum size in the length direction on the end face of the near lip end is larger than the maximum size in the height direction.
10. Use of a flat-mouth tobacco rod according to claim 1, characterised in that it is capable of reducing the air leakage rate when smoked by the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187530.8A CN113812674A (en) | 2021-10-12 | 2021-10-12 | Flat-mouth cigarette and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187530.8A CN113812674A (en) | 2021-10-12 | 2021-10-12 | Flat-mouth cigarette and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113812674A true CN113812674A (en) | 2021-12-21 |
Family
ID=78916484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111187530.8A Pending CN113812674A (en) | 2021-10-12 | 2021-10-12 | Flat-mouth cigarette and preparation method and application thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4423744A (en) * | 1981-12-23 | 1984-01-03 | American Filtrona Corporation | Tobacco smoke filter contoured to provide undiluted air flow and method and apparatus for manufacturing same |
| CN104270972A (en) * | 2012-05-03 | 2015-01-07 | 英美烟草(投资)有限公司 | Improvements in smoking article filters |
| CN206062125U (en) * | 2016-09-21 | 2017-04-05 | 云南中烟新材料科技有限公司 | A kind of feature cigarette holder containing quick-fried pearl |
| CN109512022A (en) * | 2018-12-06 | 2019-03-26 | 陈征 | Blank pipe filled type with sealed membrane heats the preparation method and application for the smoking article that do not burn |
| CN109998163A (en) * | 2019-05-05 | 2019-07-12 | 云南中烟工业有限责任公司 | A kind of cigarette and preparation method thereof possessing a variety of cross-sectional shapes |
| CN216961468U (en) * | 2021-10-12 | 2022-07-15 | 云南中烟工业有限责任公司 | Flat-mouth cigarette |
-
2021
- 2021-10-12 CN CN202111187530.8A patent/CN113812674A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4423744A (en) * | 1981-12-23 | 1984-01-03 | American Filtrona Corporation | Tobacco smoke filter contoured to provide undiluted air flow and method and apparatus for manufacturing same |
| CN104270972A (en) * | 2012-05-03 | 2015-01-07 | 英美烟草(投资)有限公司 | Improvements in smoking article filters |
| CN206062125U (en) * | 2016-09-21 | 2017-04-05 | 云南中烟新材料科技有限公司 | A kind of feature cigarette holder containing quick-fried pearl |
| CN109512022A (en) * | 2018-12-06 | 2019-03-26 | 陈征 | Blank pipe filled type with sealed membrane heats the preparation method and application for the smoking article that do not burn |
| CN109998163A (en) * | 2019-05-05 | 2019-07-12 | 云南中烟工业有限责任公司 | A kind of cigarette and preparation method thereof possessing a variety of cross-sectional shapes |
| CN216961468U (en) * | 2021-10-12 | 2022-07-15 | 云南中烟工业有限责任公司 | Flat-mouth cigarette |
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