CN220831903U - Composite filter tip and cigarette - Google Patents
Composite filter tip and cigarette Download PDFInfo
- Publication number
- CN220831903U CN220831903U CN202322155854.4U CN202322155854U CN220831903U CN 220831903 U CN220831903 U CN 220831903U CN 202322155854 U CN202322155854 U CN 202322155854U CN 220831903 U CN220831903 U CN 220831903U
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- section
- filter
- filtering
- hole
- material layer
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- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 83
- 239000000463 material Substances 0.000 claims abstract description 60
- 239000007787 solid Substances 0.000 claims abstract description 6
- 229920001747 Cellulose diacetate Polymers 0.000 claims description 16
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 8
- 238000009998 heat setting Methods 0.000 claims description 6
- 235000013773 glyceryl triacetate Nutrition 0.000 claims description 4
- 239000001087 glyceryl triacetate Substances 0.000 claims description 4
- 229960002622 triacetin Drugs 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 241000208125 Nicotiana Species 0.000 claims 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 239000002641 tar oil Substances 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 239000003546 flue gas Substances 0.000 description 11
- 239000011269 tar Substances 0.000 description 6
- 239000000779 smoke Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229920006221 acetate fiber Polymers 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The utility model discloses a composite filter tip, which comprises: the filter tip comprises a filter tip body and a wrapping layer, wherein the filter tip body comprises a first filter section and a second filter section, the first filter section is a solid filter section, and the front end of the first filter section is used for being connected with a cigarette body; the front end of the second filtering section is close to the rear end of the first filtering section, the second filtering section is a hollow filtering section, the hollow filtering section comprises a first filtering material layer, through holes are axially formed in the first filtering material layer, each through hole comprises a first through hole section and a second through hole section which are arranged from front to back, the diameter of each second through hole section is larger than that of each first through hole section, and the first filtering material layer is a high-density filtering material layer; the wrapping layer wraps the outer side of the filter tip body. The utility model also discloses a cigarette, which comprises a cigarette body and the composite filter tip. The utility model can improve the filtering effect and effectively entrap tar oil and other granular phase matters.
Description
Technical Field
The utility model relates to the technical field of cigarette manufacturing, in particular to a composite filter tip and a cigarette.
Background
The conventional hollow acetate fiber composite filter stick for manufacturing cigarettes generally comprises a common filter section and a hollow filter section, wherein the common filter section is a solid filter section, the middle part of the hollow filter section is provided with an axial through hole, the common filter section and the hollow filter section are processed by adopting cellulose diacetate tows, but the density of the adopted cellulose diacetate tows is relatively low, the shape and the size of the through hole in the hollow filter section are the same along the axial direction, the filter effect is poor, and the filter effect is not improved.
Disclosure of utility model
The utility model aims to provide a composite filter tip and a cigarette, which are used for solving the problems in the prior art, improving the filtering effect and effectively intercepting tar oil and other particulate matters.
In order to achieve the above object, the present utility model provides the following solutions:
the present utility model provides a composite filter comprising:
The filter tip comprises a filter tip body, wherein the filter tip body comprises a first filter section and a second filter section, the first filter section is a solid filter section, and the front end of the first filter section is used for being connected with a cigarette body; the front end of the second filtering section is close to the rear end of the first filtering section, the second filtering section is a hollow filtering section, the hollow filtering section comprises a first filtering material layer, through holes are formed in the first filtering material layer along the axial direction, each through hole comprises a first through hole section and a second through hole section which are arranged from front to back, the diameter of the second through hole section is larger than that of the first through hole section, and the first filtering material layer is a high-density filtering material layer;
And the wrapping layer wraps the outer side of the filter tip body.
Preferably, the first filter segment is a cylindrical filter segment formed by cellulose diacetate tows.
Preferably, a reducing through hole section is arranged between the first through hole section and the second through hole section.
Preferably, the first filter material layer is a filter layer formed by extruding cellulose diacetate tows through a die and performing high-temperature steam heat setting.
Preferably, the outer side of the first filtering material layer is further wrapped with a second filtering material layer.
Preferably, the second filter material layer is a filter layer formed by applying triacetin after opening cellulose diacetate tows.
Preferably, the filter tip body further comprises a third filtering section, the third filtering section is a hollow filtering section, the hollow filtering section comprises a first filtering material layer, through holes are formed in the first filtering material layer along the axial direction, the through holes comprise a second through hole section and a first through hole section which are arranged from front to back, and the diameter of the second through hole section is larger than that of the first through hole section; wherein, second through hole Duan Qian end of third filter stage with the second through hole section rear end butt joint of second filter stage.
Preferably, a frangible structure is provided at a position of the wrapping layer between the second filter segment and the third filter segment, so that the third filter segment can be broken off from the second filter segment.
Preferably, the wrapping layer is formed paper, and the frangible structure is a perforation line circumferentially arranged on the formed paper.
The utility model also provides a cigarette, which comprises a cigarette body and the composite filter tip.
Compared with the prior art, the utility model has the following technical effects:
In this embodiment, the filter tip body includes a first filter segment and a second filter segment, where the first filter segment is a solid filter segment, the second filter segment is a hollow filter segment, the hollow filter segment includes a first filter material layer, a through hole is axially formed in the first filter material layer, the through hole includes a first through hole segment and a second through hole segment that are disposed from front to back, and a diameter of the second through hole segment is greater than a diameter of the first through hole segment, and the first filter material layer is a high-density filter material layer;
When the smoke passes through the first filtering section and is split by the first through hole section of the second filtering section and the first filtering material layer of the outer ring, the smoke flowing through the first through hole section finally flows from the second through hole Duan Liuchu, the gas flow speed is changed from slow to fast to slow, and the first through hole section with smaller diameter and the second through hole section with larger diameter change the smoke flow speed and the path, so that a positive effect is played on the deposition of the smoke; and when the flue gas flowing through the first filtering material layer of the outer ring moves towards the lip end, granular phase matters such as tar can be effectively trapped due to the higher density of the first filtering material layer, and the filtering effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a composite filter according to an embodiment of the present utility model.
In the figure: 1-forming paper; 2-a first filtration stage; 301-a first via segment; 302-a second via segment; 303-a layer of filter material; 304-a variable diameter through hole section; 4-a third filtering section.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a composite filter tip and a cigarette, which are used for solving the problems in the prior art, improving the filtering effect and effectively intercepting tar oil and other particulate matters.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Example 1
As shown in fig. 1, in this embodiment, a composite filter is provided, which mainly includes: a filter body and a wrap; the filter tip body comprises a first filter section 2 and a second filter section, the first filter section 2 is a solid filter section, and the front end of the first filter section 2 is used for being connected with a cigarette body; the front end of the second filtering section is close to the rear end of the first filtering section 2, the second filtering section is a hollow filtering section, the hollow filtering section comprises a first filtering material layer, through holes are formed in the first filtering material layer along the axial direction, each through hole comprises a first through hole section 301 and a second through hole section 302 which are arranged from front to back, the diameter of each second through hole section 302 is larger than that of each first through hole section 301, and the first filtering material layer is a high-density filtering material layer; the wrapping layer wraps the outer side of the filter tip body. The high density in this embodiment means that the density of the filter material layer is higher than that of the common cellulose diacetate tow.
In this embodiment, after passing through the first filtering section 2, the flue gas is split by the first through hole section 301 of the second filtering section and the first filtering material layer of the outer ring, and the flue gas flowing through the first through hole section 301 finally flows out from the second through hole section 302, so that the flow rate of the flue gas is changed from slow to fast to slow, and the first through hole section 301 with smaller diameter and the second through hole section 302 with larger diameter change the flow rate and the path of the flue gas, thereby playing a positive role in the deposition of the flue gas; and when the flue gas flowing through the first filtering material layer of the outer ring moves towards the lip end, granular phase matters such as tar can be effectively trapped due to the higher density of the first filtering material layer, and the filtering effect is improved.
In this embodiment, the first filter stage 2 is preferably a cylindrical filter stage formed from cellulose diacetate tow.
In this embodiment, a reducing through hole section 304 is disposed between the first through hole section 301 and the second through hole section 302, that is, the rear end of the first through hole section 301 is connected to the front end of the second through hole section 302 through the reducing through hole section 304, and the rear end of the second through hole section 302 is disposed near the lip end (sucking end).
In this embodiment, the first filtering material layer is a filtering layer formed by extruding cellulose diacetate tows through a die and performing high-temperature steam heat setting; specifically, after the cellulose diacetate tows are opened, filling the cellulose diacetate tows into a circular mold, and carrying out high-temperature steam heat setting, wherein the steam temperature is 200-300 ℃, and in the process, the first filter material layer with the through holes is prepared by matching with a molding core body; because the extrusion of circular mould and the shaping core body and high-temperature steam heat setting, the density of the formed first filtering material layer is higher than that of the common cellulose diacetate tows, and the high-density filtering material layer is formed, so that grain phase matters such as tar can be effectively trapped, and the filtering effect is improved.
In addition, as the diameter of the second through hole section 302 is larger, the part of the molding core body for forming the second through hole section 302 is also larger in diameter, so that the filtering material at the second through hole section 302 is greatly extruded, the density of the filtering material is further increased, granular matters such as tar and the like are further effectively trapped, and the filtering effect is improved.
In this embodiment, the outer side of the first filter material layer is further wrapped with a second filter material layer, so as to jointly form a filter material layer 303; the second filter material layer is a filter layer formed by applying glyceryl triacetate after cellulose diacetate tows are opened. Specifically, after the preparation of the first filter material layer is completed, cellulose diacetate tows of triacetin are applied after being opened by wrapping the outside of the first filter material layer again, so as to form a second filter material layer.
The circular mold and the forming core are extruded and high-temperature steam is used for heat setting, so that the density of the formed first filtering material layer is higher, and meanwhile, the hardness of the formed first filtering material layer is also higher; the second filter material layer is arranged, so that the comfort level during smoking can be ensured due to the softness of the second filter material layer. Moreover, the second filtering material layer can also filter to a certain extent, so that the filtering effect is ensured.
In this embodiment, the filter body further includes a third filter segment 4, where the third filter segment 4 is also a hollow filter segment, and has the same structure as the second filter segment, and the third filter segment 4 is located at the rear end of the second filter segment and is disposed opposite to the second filter segment. That is, the third filter segment 4 also includes the above-mentioned filter material layer 303, and a through hole is formed in the first filter material layer 303 along the axial direction, and the through hole includes a second through hole segment 302 and a first through hole segment 301 that are disposed from front to back, where the front end of the second through hole segment 302 is in communication with the rear end of the second through hole segment 302 in the second filter segment, and the rear end of the second through hole segment 302 is connected to the first through hole segment 301.
In this embodiment, a breakable structure is provided at a position of the wrapping layer between the second filter segment and the third filter segment 4, so that the third filter segment 4 can be broken off from the second filter segment; the consumer can choose not to break off the third filter segment 4, can choose to break off the third filter segment 4 off with fingers and thumb, realize one cigarette two kinds of suction methods, obtain two kinds of different smoking experiences, wherein break off the third filter segment 4 off with fingers and thumb can increase the flue gas concentration, can obtain meeting sense while tar volume also can be controlled.
In this embodiment, the wrapping layer is preferably a forming paper 1, and the breakable structure is a perforation line circumferentially arranged on the forming paper 1; the perforation line is positioned at the position of the composite filter tip 10mm away from the lip end, is deeper in perforation, can penetrate through the cigarette tipping paper and the forming paper 1, is convenient for breaking off the third filter section 4, and can improve the ventilation rate by arranging perforation; the cigarette tipping paper is used for connecting the composite filter tip and the cigarette body, which is a mature prior art in the field, and the description is omitted in this embodiment.
When the flue gas passes through the second filtering section, the flue gas passes through the second through hole section 302 with larger diameter and the first through hole section 301 with smaller diameter again, and the flue gas is matched with high ventilation rate, so that the filtering efficiency is further improved, and the effects of reducing tar and reducing harm are achieved.
In this embodiment, the circumference of the composite filter is 19.8-25.0 mm, the diameter of the first through-hole section 301 is 1.0-2.0 mm, and the diameter of the second through-hole section 302 is 3.0-4.2 mm.
The embodiment also provides a cigarette, which comprises a cigarette body and the composite filter tip.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (10)
1. A composite filter, characterized in that: comprising the following steps:
The filter tip comprises a filter tip body, wherein the filter tip body comprises a first filter section and a second filter section, the first filter section is a solid filter section, and the front end of the first filter section is used for being connected with a cigarette body; the front end of the second filtering section is close to the rear end of the first filtering section, the second filtering section is a hollow filtering section, the hollow filtering section comprises a first filtering material layer, through holes are formed in the first filtering material layer along the axial direction, each through hole comprises a first through hole section and a second through hole section which are arranged from front to back, the diameter of the second through hole section is larger than that of the first through hole section, and the first filtering material layer is a high-density filtering material layer;
And the wrapping layer wraps the outer side of the filter tip body.
2. A composite filter according to claim 1, wherein: the first filtering section is a cylindrical filtering section formed by cellulose diacetate tows.
3. A composite filter according to claim 1, wherein: and a reducing through hole section is arranged between the first through hole section and the second through hole section.
4. A composite filter according to claim 1, wherein: the first filter material layer is a filter layer formed by extruding cellulose diacetate tows through a die and performing high-temperature steam heat setting.
5. A composite filter according to claim 4, wherein: the outside of the first filtering material layer is also wrapped with a second filtering material layer.
6. A composite filter according to claim 5, wherein: the second filter material layer is a filter layer formed by applying glyceryl triacetate after opening cellulose diacetate tows.
7. A composite filter according to any one of claims 1 to 6, wherein: the filter tip body further comprises a third filter section, the third filter section is a hollow filter section, the hollow filter section comprises a first filter material layer, through holes are formed in the first filter material layer along the axial direction, the through holes comprise second through hole sections and first through hole sections which are arranged from front to back, and the diameter of the second through hole sections is larger than that of the first through hole sections; wherein, second through hole Duan Qian end of third filter stage with the second through hole section rear end butt joint of second filter stage.
8. A composite filter according to claim 7, wherein: the wrapping layer is provided with a frangible structure at a position between the second filtering section and the third filtering section, so that the third filtering section can be broken off from the second filtering section.
9. A composite filter according to claim 8, wherein: the wrapping layer is formed paper, and the breakable structure is a perforation line arranged on the formed paper along the circumference.
10. A cigarette, characterized in that: comprising a tobacco rod body and a composite filter according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322155854.4U CN220831903U (en) | 2023-08-10 | 2023-08-10 | Composite filter tip and cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322155854.4U CN220831903U (en) | 2023-08-10 | 2023-08-10 | Composite filter tip and cigarette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220831903U true CN220831903U (en) | 2024-04-26 |
Family
ID=90778028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322155854.4U Active CN220831903U (en) | 2023-08-10 | 2023-08-10 | Composite filter tip and cigarette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220831903U (en) |
-
2023
- 2023-08-10 CN CN202322155854.4U patent/CN220831903U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |