CN113712252A - Cigarette filter tip capable of selecting additive materials and using method thereof - Google Patents
Cigarette filter tip capable of selecting additive materials and using method thereof Download PDFInfo
- Publication number
- CN113712252A CN113712252A CN202010457788.4A CN202010457788A CN113712252A CN 113712252 A CN113712252 A CN 113712252A CN 202010457788 A CN202010457788 A CN 202010457788A CN 113712252 A CN113712252 A CN 113712252A
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- section
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- 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
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
- A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
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- 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
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
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- 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
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/18—Mouthpieces for cigars or cigarettes; Manufacture thereof
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- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention provides a cigarette filter tip capable of selecting additive materials and a using method thereof, wherein the cigarette filter tip comprises the following components: the assembling section and the filling section are connected; one end of the assembling section, which is far away from the filling section, is a suction end; the assembling section comprises a fixing part and a drawing part, wherein the fixing part is provided with an axial through hole into which the drawing part is inserted, and the drawing part can be taken out of the axial through hole of the fixing part; the filling section is provided with a cavity structure, the cavity structure is communicated with the axial through hole, and the cavity structure is used for bearing materials. The cigarette filter can meet the individual smoking requirement of consumers; the personalized and functional application of the cigarette filter is realized.
Description
Technical Field
The invention relates to the technical field of cigarettes, in particular to a cigarette filter with optional additive materials and a using method thereof.
Background
The filter is one of the important components of cigarettes, along with the alternate substitution of cigarette products, the filter plays a role of reducing tar and harm, and more novel cigarette filters which can be smelled, touched, heard and played are developed and applied, so that the cognition of consumers is improved, and the consumption preference of the cigarette products is widened.
The preference of consumers to the fragrance, the appearance design and the tar reduction level of cigarette smoke is different, and one cigarette is difficult to meet the personalized requirement of the consumers. In the current market, for the same pack of cigarette products, a consumer cannot independently select the smoking experience of cigarettes, and the same product cannot provide personalized additives with quality, types and characteristics for the consumer, so that the consumption experience effect is limited.
The Chinese invention patent application publication No. CN105192887A of 'a rotary cigarette filter with selectable flavoring' discloses a forming paper which can be used by consumers for supplementing flavoring to smoke by rotating the filter. The application publication number of the Chinese invention patent 'ternary rotating filter stick capable of selectively releasing different aromas and prepared cigarette' is CN106723346A, wherein the disclosed ternary rotating filter stick can be used for placing a plurality of different essence substances. The existing two structures can not add materials after the cigarette is assembled. That is, the structure of the limited self filter among the prior art can't be simply, high-efficiently for the consumer provide diversified, the optional smoking experience, the manufacturing cost of tobacco product does not increase again simultaneously. Therefore, it is necessary to develop a cigarette which can independently select an additive material to satisfy the taste and effect of the customer's individuality without increasing the design and manufacturing cost of the cigarette.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a cigarette filter with optional additive and a method for using the same, which solve the above-mentioned problems in the prior art.
In order to solve the above technical problems, the present invention provides a cigarette filter with optional additive materials, comprising: the assembling section and the filling section are connected; one end of the assembling section, which is far away from the filling section, is a suction end;
the assembling section comprises a fixing part and a drawing part, wherein the fixing part is provided with an axial through hole into which the drawing part is inserted, and the drawing part can be taken out of the axial through hole of the fixing part;
the filling section is provided with a cavity structure, the cavity structure is communicated with the axial through hole, and the cavity structure is used for bearing materials.
Preferably, the cigarette filter capable of being selectively added with materials further comprises a filter section, wherein one end of the filler section, which is far away from the assembling section, is connected with the filter section, and one end of the filter section, which is far away from the filler section, is a cigarette-near end.
Preferably, the filter segment is selected from any one of an acetate fiber filter stick, a groove filter stick, a paper filter stick, an aromatized filter stick or a special additive filter stick.
Preferably, the material carried in the cavity structure is a flavoring harm reduction material, and the flavoring harm reduction material is one of essence blasting beads, adsorption particles or color change particles.
Preferably, the filler section comprises at least one of the following features:
1) the filler section is a hollow filter stick with a cavity structure;
2) the filler section comprises a paper shell, and the paper shell is enclosed into the cavity structure.
Preferably, the axial through hole of the fixing part and the cavity structure of the filler section are coaxially arranged.
Further, the cross section of the axial through hole of the fixing part is the same as the cross section of the cavity structure of the filler section in shape, and the cross section of the axial through hole of the fixing part is the same as the cross section of the cavity structure of the filler section in size.
Furthermore, the cross section of the axial through hole of the fixing part and the cross section of the cavity structure of the filler section are both circular, and the diameter of the axial through hole of the fixing part is equal to the inner diameter of the cavity structure of the filler section.
The invention also relates to a using method of the cigarette filter tip capable of selectively adding the materials, wherein the extraction part of the assembling section is taken out from the axial through hole, the materials to be added are put into the axial through hole of the assembling section, the materials directly enter the cavity structure of the filling section through the axial through hole, and then the extraction part is refilled into the axial through hole.
The cigarette filter tip capable of selecting the additive materials and the using method thereof have the following beneficial effects:
in the invention, the extraction part of the assembly section is taken out from the axial through hole, a consumer puts the materials to be added through the axial through hole of the assembly section, the materials directly enter the cavity structure of the filling section through the axial through hole, and then the extraction part is backfilled into the axial through hole. The cigarette filter can meet the personalized smoking requirement of consumers, realizes the personalized and functional application of the cigarette filter and has low cost.
Drawings
Fig. 1 is a schematic perspective view of a cigarette filter with optional additive according to the present invention.
Fig. 2 is a schematic view showing the internal structure of the cigarette filter to which the material can be selectively added according to the present invention.
Fig. 3 is a schematic view showing a configuration in which the drawing portion of the assembled segment of the cigarette filter to which the material can be selectively added is taken out from the fixing portion and the material is put into the cavity structure of the filler segment.
Figure 4 shows a schematic view of the construction of the optionally filled cigarette filter of the invention with the drawn-out portion of the assembled segment backfilled into the axial through-hole.
Fig. 5 is a schematic structural view of a plug wrap of the cigarette filter to which the optional additive of the present invention is applied, which is made of a transparent material.
Description of the reference numerals
10 materials
100 assembly section
110 fixed part
111 axial through hole
120 extraction part
200 filler section
210 cavity structure
300 filtration section
400 cigarette
500 filter stick wrapping paper
600 cigarette tipping paper
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to the attached drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Example 1
As shown in fig. 1 to 5, the cigarette filter with optional additive according to the present invention includes: a connected assembly section 100 and a filler section 200; the end of the assembly section 100 remote from the filler section 200 is a smoking end, which is the end of the consumer smoking the cigarette;
the assembling section 100 comprises a fixing part 111 and an extracting part 120, wherein the fixing part 111 is provided with an axial through hole 111 for inserting the extracting part 120, and the extracting part 120 can be taken out from the axial through hole 111 of the fixing part 111;
the packing section 200 has a cavity structure 210, the cavity structure 210 is communicated with the axial through hole 111, and the cavity structure 210 is used for bearing the material 10.
In the invention, the extraction part 120 of the assembly section 100 is taken out from the axial through hole 111, a consumer puts the material 10 to be added through the axial through hole 111 of the assembly section 100, the material 10 directly enters the cavity structure 210 of the filling section 200 through the axial through hole 111, then the extraction part 120 is backfilled into the axial through hole 111, the extraction part 120 is put into the axial through hole 111 again to form a trapping section with a certain filtering effect, and the extraction part 120 can be manually and repeatedly extracted from the fixing part 111 and filled back; the cigarette filter can meet the personalized smoking requirements of consumers and realize the personalized and functional application of the cigarette filter.
When the cigarette smoke passing through the cigarette filter meets the design requirement, the filter segment 300 can be selected not to be used, and when the cigarette smoke passing through the cigarette filter does not meet the design requirement, the cigarette filter capable of being added with materials can be selected to comprise the filter segment 300, one end of the filler segment 200 far away from the assembling segment 100 is connected with the filter segment 300, and one end of the filter segment 300 far away from the filler segment 200 is a near-smoke end. The function of the filter segment 300 is smoke filtration.
The filter segment 300 is selected from any one of an acetate fiber filter stick, a groove filter stick, a paper filter stick, an aromatized filter stick or a special additive filter stick. The acetate fiber filter stick can be a filter stick formed by diacetate fiber or other fibers; the groove filter stick is made of fiber paper; essence is added into the flavoring filter stick; the special additive filter stick is formed by arranging essence or particles on the filter stick.
The material 10 carried in the cavity structure 210 is a flavoring harm reduction material 10, and the flavoring harm reduction material 10 is one of essence blasting beads, adsorption particles or color change particles. The material 10 for adjusting fragrance and reducing harm realizes the functions of adjusting fragrance and reducing harm.
The filler section 200 comprises at least one of the following features:
1) the filler section 200 is a hollow filter stick with a cavity structure 210;
2) The filling section 200 comprises paper shells, and the paper shells enclose the cavity structure 210; the paper shell is made of high-gram-weight paper, and the basis weight of the high-gram-weight paper is 80-130 g/m2。
The axial through hole 111 of the fixing portion 111 and the cavity structure 210 of the filler section 200 are coaxially disposed. This configuration facilitates the entry of material 10 from axial through-hole 111 into void structure 210.
The cross section of the axial through hole 111 of the fixing portion 111 is the same as the cross section of the cavity structure 210 of the packing section 200, and the cross section of the axial through hole 111 of the fixing portion 111 is the same as the cross section of the cavity structure 210 of the packing section 200. The structure is convenient for processing and manufacturing the cigarette filter. In this embodiment, the cross section of the axial through hole 111 of the fixing portion 111 and the cross section of the cavity structure 210 of the packing section 200 are both circular, and the diameter of the axial through hole 111 of the fixing portion 111 is equal to the inner diameter of the cavity structure 210 of the packing section 200.
The invention also relates to a using method of the cigarette filter capable of selecting the added materials, the extraction part 120 of the assembly section 100 is taken out from the axial through hole 111, the materials 10 to be added are put into the axial through hole 111 of the assembly section 100, the materials 10 directly enter the cavity structure 210 of the filling section 200 through the axial through hole 111, and then the extraction part 120 is backfilled into the axial through hole 111 to prevent the added materials of the cavity structure 210 from falling off; the material 10 in the cavity structure 210 is capable of satisfying the individual selective functional requirements of the consumer when smoking the cigarette product. When the material 10 for adjusting the fragrance and reducing the harm is an essence bead, a consumer can pinch the essence bead to improve the flavor of the smoke; when the flavoring harm-reducing material 10 is an adsorption particle, the adsorption particle realizes the functions of reducing tar and reducing harm.
The filter segment 300 is connected with a cigarette 400, the outside of the cigarette filter is wrapped with filter plug wrap 500, the outside of the filter plug wrap 500 is wrapped with cigarette tipping paper 600, and the filter plug wrap 500 can be made of transparent material.
Example 2
As shown in fig. 1 to 5, the cigarette filter with optional additive of the embodiment includes: the assembly section 100, the packing section 200 and the filtering section 300 are connected in sequence;
the filter stick of the assembly section 100 is a filter stick with a paper coaxial core, and the length range of the assembly section 100 is 5-20 mm; in this embodiment, the length of the assembly section 100 is 10mm, the axial through hole 111 of the fixing portion 111 of the assembly section 100 is circular, the diameter of the axial through hole 111 of the fixing portion 111 of the assembly section 100 ranges from 4.0 mm to 6.5mm, and in this embodiment, the diameter of the axial through hole 111 of the fixing portion 111 of the assembly section 100 is 5.4 mm. The withdrawal portion 120 of the assembled section 100 can be removed by manual rubbing, where the peripheral strands can act as a support.
The filling section 200 is a thin-wall special-shaped hollow filter stick, the length range of the filling section 200 is 5-20mm, and in the embodiment, the length of the filling section 200 is 8 mm; the cross-section of the cavity structure 210 of the packing section 200 is circular, and the inner diameter of the cavity structure 210 of the packing section 200 is in the range of 4.0-6.5mm, in this embodiment, the inner diameter of the cavity structure 210 of the packing section 200 is 5.0 mm.
The filter segment 300 is a filter stick formed by cellulose diacetate tows and mainly has the functions of assisting in filtering smoke and regulating indexes such as smoke tar, nicotine and the like.
The implementation steps of this embodiment are: firstly, the extraction part 120 of the assembly section 100 is kneaded out, so that the axial through hole 111 of the assembly section 100 is emptied; then, two dried orange peel flavor exploding beads with the diameter of 3.5mm are put into the filling section 200 through the axial through hole 111, and at the moment, the two exploding beads are positioned in the thin-wall special-shaped cavity structure 210 of the filling section 200; finally, the drawn-out portion 120 of the assembly section 100 is filled back into the axial through hole 111. The manufacture of the cigarette with the taste of dried orange peel and the puffed beads can be realized through the three steps.
Example 3
As shown in fig. 1 to 5, the cigarette filter with optional additive of the embodiment includes: the assembly section 100, the packing section 200 and the filtering section 300 are connected in sequence;
the filter stick of the assembly section 100 is a special-shaped coaxial filter stick, and the length range of the assembly section 100 is 5-20 mm; in this embodiment, the length of the assembly section 100 is 8mm, the axial through hole 111 of the fixing portion 111 of the assembly section 100 is an equilateral triangle, the side length of the equilateral triangle is 5.2mm, and the drawing portion 120 of the assembly section 100 can be taken out by manual kneading, and at this time, the peripheral filament bundle can play a supporting role.
The filling section 200 is a cavity filling section 200 formed by supporting transparent molding paper, and the structure adopted by the filling section 200 is selected from the application publication number CN 110403238A of Chinese invention patent 'a transparent cavity filter stick filled with luminous particles'; the length range of the filler section 200 is 5-20mm, in this embodiment, the length of the filler section 200 is 7 mm; the plug wrap of the filler section 200 is a transparent plug wrap, and the internal particle morphology of the filler section 200 can be observed directly from outside the filler section 200.
The filter segment 300 is a filter stick formed by cellulose diacetate tows and mainly has the functions of assisting in filtering smoke and regulating indexes such as smoke tar, nicotine and the like.
The implementation steps of this embodiment are: firstly, kneading out the triangular extraction part 120 of the special-shaped coaxial filter stick of the assembly section 100, and leaving the axial through hole 111 of the assembly section 100 empty; then 10-20 colorless temperature-change granular materials with the diameter of about 1mm are placed into the filling section 200 through the axial through hole 111 of the assembling section 100, and at the moment, the temperature-change granular materials are positioned in the cavity structure 210 of the filling section 200, and the internal color-change granules can be observed from the outside of the filling section 200 through transparent molding paper; finally, the drawn-out portion 120 of the assembly section 100 is filled back into the axial through hole 111.
The cigarette manufacturing of the temperature-variable particle material can be realized through the three steps. When the cigarette is smoked, the smoke passes through the colorless temperature-change particles in the cavity, so that the surface temperature of the smoke is increased, and the particle materials are changed from colorless to color-forming.
Example 4
As shown in fig. 1 to 5, the cigarette filter with optional additive of the embodiment includes: the assembly section 100, the packing section 200 and the filtering section 300 are connected in sequence;
the filter stick of the assembly section 100 is a filter stick with a paper coaxial core, and the length range of the assembly section 100 is 5-20 mm; in this embodiment, the length of the assembly section 100 is 8mm, the axial through hole 111 of the fixing portion 111 of the assembly section 100 is circular, the diameter of the axial through hole 111 of the fixing portion 111 of the assembly section 100 ranges from 4.0 mm to 6.5mm, and in this embodiment, the diameter of the axial through hole 111 of the fixing portion 111 of the assembly section 100 is 5.2 mm. The withdrawal portion 120 of the assembled section 100 can be removed by manual rubbing, where the peripheral strands can act as a support.
The filling section 200 is a cavity filling section 200 formed by supporting high-gram-weight wrapping paper, and the structure adopted by the filling section 200 is selected from the application publication number CN206744552A of 'composite cigarette filter stick with harm-reducing and fragrance-supplementing recess' of Chinese invention patent; the length range of the filler section 200 is 5-20mm, in this embodiment, the length of the filler section 200 is 6 mm; the filler section 200 is made of high grammage paper.
The filter segment 300 is a filter stick formed by cellulose diacetate tows and mainly has the functions of assisting in filtering smoke and regulating indexes such as smoke tar, nicotine and the like.
The implementation steps of this embodiment are: firstly, the extraction part 120 of the assembly section 100 is kneaded out, so that the axial through hole 111 of the assembly section 100 is emptied; then, about 3g of functional particles (20-mesh activated carbon particles are used here) are put into the filling section 200 through the axial through hole 111, and the activated carbon particles are in the cavity of the filling section 200; finally, the drawn-out portion 120 of the assembly section 100 is filled back into the axial through hole 111. The cigarette containing the activated carbon granular material can be manufactured through the three steps.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. A cigarette filter with selectable additive materials, comprising: a connected assembly section (100) and a filler section (200); one end of the assembling section (100) far away from the filling section (200) is a suction end;
The assembling section (100) comprises a fixing part (110) and an extraction part (120), wherein an axial through hole (111) for inserting the extraction part (120) is formed in the fixing part (110), and the extraction part (120) can be taken out of the axial through hole (111) of the fixing part (110);
the filling material section (200) is provided with a cavity structure (210), the cavity structure (210) is communicated with the axial through hole (111), and the cavity structure (210) is used for bearing materials.
2. The selectively material addable cigarette filter according to claim 1, wherein: the tobacco smoke purifier is characterized by further comprising a filter section (300), wherein one end, far away from the assembling section (100), of the filler section (200) is connected with the filter section (300), and one end, far away from the filler section (200), of the filter section (300) is a smoke-near end.
3. The cigarette filter with optional additive according to claim 1 or 2, wherein: the filter segment (300) is selected from any one of an acetate fiber filter stick, a groove filter stick, a paper filter stick, an aromatized filter stick or a special additive filter stick.
4. The selectively material addable cigarette filter according to claim 1, wherein: the material borne in the cavity structure (210) is a flavoring harm-reducing material, and the flavoring harm-reducing material is one of essence blasting beads, adsorption particles or color-changing particles.
5. The selectively material addable cigarette filter according to claim 1, wherein: the filler section (200) comprises at least one of the following features:
1) the filling section (200) is a hollow filter stick with a cavity structure (210);
2) the filling section (200) comprises paper shells, and the paper shells enclose the cavity structure (210).
6. The selectively material addable cigarette filter according to claim 1, wherein: the axial through hole (111) of the fixing part (110) and the cavity structure (210) of the filling section (200) are coaxially arranged.
7. The selectively material addable cigarette filter according to claim 6, wherein: the cross section of the axial through hole (111) of the fixing part (110) is the same as the cross section of the cavity structure (210) of the filling section (200), and the cross section of the axial through hole (111) of the fixing part (110) is the same as the cross section of the cavity structure (210) of the filling section (200) in size.
8. The selectively material addable cigarette filter according to claim 7, wherein: the cross section of the axial through hole (111) of the fixing part (110) and the cross section of the cavity structure (210) of the filling section (200) are both circular, and the diameter of the axial through hole (111) of the fixing part (110) is equal to the inner diameter of the cavity structure (210) of the filling section (200).
9. A method of using a selectively additivated cigarette filter of claim 1, comprising: taking the extraction part (120) of the assembly section (100) out of the axial through hole (111), putting materials to be added through the axial through hole (111) of the assembly section (100), directly entering the cavity structure (210) of the filling section (200) through the axial through hole (111), and then backfilling the extraction part (120) into the axial through hole (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010457788.4A CN113712252A (en) | 2020-05-26 | 2020-05-26 | Cigarette filter tip capable of selecting additive materials and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010457788.4A CN113712252A (en) | 2020-05-26 | 2020-05-26 | Cigarette filter tip capable of selecting additive materials and using method thereof |
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| CN113712252A true CN113712252A (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010457788.4A Pending CN113712252A (en) | 2020-05-26 | 2020-05-26 | Cigarette filter tip capable of selecting additive materials and using method thereof |
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Cited By (1)
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| CN115606840A (en) * | 2022-11-15 | 2023-01-17 | 湖北中烟工业有限责任公司 | Cigarette with 3D printing fragrance-carrying model and preparation method thereof |
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| CN109090706A (en) * | 2018-10-10 | 2018-12-28 | 红云红河烟草(集团)有限责任公司 | Binary composite filter rod capable of being filled with blasting beads |
| CN208798689U (en) * | 2018-08-15 | 2019-04-30 | 上海烟草集团有限责任公司 | The hole cigarette of function washability |
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| CN208798689U (en) * | 2018-08-15 | 2019-04-30 | 上海烟草集团有限责任公司 | The hole cigarette of function washability |
| CN109043655A (en) * | 2018-09-20 | 2018-12-21 | 上海烟草集团有限责任公司 | A kind of cigarette filter rod and the cigarette formed by it |
| CN109043659A (en) * | 2018-10-10 | 2018-12-21 | 红云红河烟草(集团)有限责任公司 | Filter tip cigarette capable of being filled with blasting beads |
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| CN115606840A (en) * | 2022-11-15 | 2023-01-17 | 湖北中烟工业有限责任公司 | Cigarette with 3D printing fragrance-carrying model and preparation method thereof |
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