CN204599318U - Cigarette filter - Google Patents
Cigarette filter Download PDFInfo
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- CN204599318U CN204599318U CN201520234679.0U CN201520234679U CN204599318U CN 204599318 U CN204599318 U CN 204599318U CN 201520234679 U CN201520234679 U CN 201520234679U CN 204599318 U CN204599318 U CN 204599318U
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Abstract
Technical problem to be solved in the utility model is the smoking article filter that will provide the well not volatile distortion of a kind of strainability.This filter tip, comprise the external packing layer of filter stick and parcel filter stick, at least one section of described filter stick is be made up of sintering metal porous filter material or sintered ceramic porous filter material.Because above-mentioned material average pore size can reach 0.05 ~ 10 micron, comparatively existing conventional acetate fiber, polypropylene tows or pure paper material, more effectively can filter the suspended particulates in flue gas, ensure filtering accuracy; And above-mentioned metal porous filtering material is not yielding, its filter stick made and external packing layer can keep full laminating degree, and when sucking cigarette, flue gas percent of pass in filter stick is high, ensure filter effect; Above-mentioned material fusing point height is not volatile simultaneously, can not enter as human body damages with flue gas.
Description
Technical field
The utility model relates to a kind of cigarette filter.
Background technology
Containing the chemical composition that hundreds of kind is harmful in the smog produced during cigarette combustion, more than the 40 kind of carcinogen such as tar, nitrosamine.Insalubrity with the aerosol of suspended particulates in the gas formed during burning, comprise cyanide, methacrylaldehyde, acetaldehyde, formaldehyde, various organic matter and inorganic matter cohere form, and average diameter is about 0.2 ~ 0.4um, and particle concentration is 10 ~ 1000mg/cm
3left and right.
Current cigarette filter material is acetate fiber, polypropylene tows or pure paper mainly, and structure point combined type and single formula directly tackle filter tip, and outside adopts cork paper packaging.Fibre bundle, when shaping filter stick, will apply the hardness that fiber is bonded together to increase shaping filter stick by a small amount of plasticizer in the tow band that shredding is good.The volatilization of coke tar in cigarette and nicotine reduces along with filter-tip growth, existing 20 millimeters at present, 25 millimeters, 27 millimeters even filter tip of 31 millimeters long.
Traditional acetate fiber filter tip is more conventional, but curling variation large, affect mouthfeel, these materials also have potential danger to human body, and its tiny fiber can be inhaled into human body in the process of smoker's smoking, and rests on lung, produce injure human body.Filter structure can not meet the demand of modern people to tar interception capacity in addition, and cigarette holder pressure drop is large.Under identical resistance, how making filter tip retain tar content, to be reduced to below 15mg even lower, is that cigarette manufacturer has to problems faced.Reduce the requirement of tar, nicotine and carbon monoxide content, cause a kind ofly to be suitable for more extensively in the urgent need to researching and developing now, the higher filter product retaining efficiency.
Utility model content
Technical problem to be solved in the utility model is the cigarette filter that a kind of strainability will be provided good.
This filter tip, comprise the external packing layer of filter stick and parcel filter stick, at least one section of described filter stick is be made up of sintering metal porous filter material or sintered ceramic porous filter material.Because above-mentioned material can reach very high filtering accuracy, comparatively existing conventional acetate fiber, polypropylene tows or pure paper material, more effectively can filter the suspended particulates in flue gas, ensure filtering accuracy; And above-mentioned metal porous filtering material is not yielding, its filter stick made and external packing layer can keep full laminating degree, and when sucking cigarette, flue gas percent of pass in filter stick is high, ensure filter effect; Above-mentioned material fusing point height is not volatile simultaneously, can not enter human body damage with flue gas.
Further, above-mentioned sintering metal porous filter material is superposed by multi-disc sintered porous metal paper tinsel to form.The each monolithic of this multicellular metal foil has above-mentioned filtering accuracy, and the filter stick made by the metal porous filtering material of superposition formation, can have better strainability.
Further, this sintered porous metal paper tinsel is flexible, porous metal forming, is that the metal polyporous material being matrix phase by the metal simple-substance of the metal simple-substance of solid solution alloy, face-centred cubic structure or body-centered cubic structure is formed.So this flexible, porous metal foil thickness is 5 ~ 200 microns, average pore size 0.05 ~ 10 micron, porosity 30 ~ 75%; And this flexible, porous metal forming flexility is good, can rupture by repeatedly folding, thus simplify the production process of filter stick.
Further, this sintered porous metal filtering material integral sinteredly can make filter stick, thus further simplify the production process of filter stick.
Further, as long as described sintering metal porous filter material is not less than 5 millimeters in filter stick length axially, filter effect can reach better standard.Thus the cigarette of making has ultrashort filter tip, the cost of cigarette manufacture can be saved, and improve product identification degree.
Further, described filter stick is divided into nearly pipe tobacco section and nearly mouth section, and described sintering metal porous filter material is positioned at nearly pipe tobacco section, and nearly mouth section adopts acetate fiber, polypropylene tows or pure paper to form.Ensure to be maximized at filter effect to reduce costs to reach simultaneously, and better mouthfeel, outward appearance and effect of heat insulation can be had.
Further, filter tip external packing is made up of cork paper, thus filter stick can better be shaped, and facilitates the connection of filter tip and pipe tobacco simultaneously, also makes Total Product have good outward appearance.
Accompanying drawing explanation
Fig. 1 is the composition diagram of the application's filter tip external packing layer and filter stick.
The composition diagram of Fig. 2 to be the application's filter tip external packing layer and nearly mouth section and nearly pipe tobacco section be filter stick that different materials combines.
Fig. 3 is that in Fig. 2, A-A, to sectional view, is the flexible, porous metal forming folding cross section making filter stick continuously.
Detailed description of the invention
Filter tip as shown in Figure 1, comprises filter stick 1 and external packing layer 2 forms.Wherein at least one section of filter stick 1 is made up of sintering metal porous filter material; External packing layer 2 is made up of cork paper, punches or do not punch according to cigarette categorizing selection cork paper.
Above-mentioned sintering metal porous filter material is superposed by multicellular metal foil to form, this multicellular metal foil is the flexible, porous metal forming of the metal polyporous material sintering being matrix phase with the metal simple-substance of solid solution alloy, face-centred cubic structure or the metal simple-substance of body-centered cubic structure, this flexible, porous metal foil thickness can reach 5 ~ 200 microns, average pore size 0.05 ~ 10 micron, porosity 30 ~ 75%, and porous nickel, flexility is good, can by the metal polyporous material repeatedly described in folding formation.Namely general selection folding compression more continuously as described in Figure 3 can be made into filter stick 1; Flexible, porous metal forming can certainly be made single piece of foil, then the superposition piecewise of logical multipair single piece of foil compresses and makes filter stick 1 again; Can also by directly sintering metal polyporous material into block makes filter stick 1.Flexible, porous metal forming makes filter stick 1 by said method, adds external packing layer 2 and can complete the connection with pipe tobacco.When this filter stick 1 axial length made by flexible, porous metal forming reaches more than 8 millimeters, filter stick 1 can to the suspended particulates filtration of 0.05 ~ 0.2 micron, now porosity is 45% ~ 70%, suction and pumping resistance is lower, the filter stick 1 of this axial length 8 millimeters is arranged on that effectively to suck length be on the cigarette of 53 millimeters, the flue gas of unit pressure drop, nicotine, tar, the aerocolloidal interception capacity of organic or inorganic is the acetate fiber of 31 millimeters than axial length, polypropylene tows or pure paper filter core high more than 5 times, retain harmful substance precision controlling more than 0.1 micron, tar content in cigarette can be down to less than 10 milligrams.
On the basis of said structure, the nearly pipe tobacco section shown in Fig. 2 and the combined filter tip of nearly mouth section can be made.Filter tip as shown in Figure 2, comprises flexible, porous metal forming filter core 11, conventional bowl 12 and the external packing layer 2 be made up of flexible, porous metal forming and forms.Flexible, porous metal forming filter core 11 architectural characteristic is described above; Wherein conventional bowl 12 be acetate fiber, polypropylene tows, pure paper or other improve the acid-base value of flue gas and the filter core layer of flavour be provided.Flexible, porous metal forming filter core 11 uses adhesive with the connecting end surface that is combined through of conventional bowl 12, and external sheath outer packaging 2 and pipe tobacco connect into entirety, and external packing layer 2 adopts cork paper; Wherein select flexible, porous metal forming filter core 11 as nearly pipe tobacco section, conventional bowl 12 is as nearly mouth section.And in above-mentioned combination, the axial length of flexible, porous metal forming filter core 11 is not less than 5 millimeters, this combined filter tip axial length is made as 10 ~ 12 millimeters and can reaches harmful substance and retain the filter effect of precision controlling more than 0.1 micron.
In above-described embodiment, made filter stick 1 porosity is 45% ~ 70%, and described flexible, porous metal forming porous nickel, and the more nonmetal organic matter in surface is more smooth, and flue gas can be made to have lower suction and pumping resistance, and it is better to suck mouthfeel; This material fusing point height own is not volatile, can not enter human body damage with flue gas; The filter stick 1 that flexible, porous metal forming collapsible is made is not yielding, can keep and the full laminating degree of external packing layer 2 being affectedly bashful and stinging in food process, and when sucking cigarette, flue gas percent of pass in filter stick 1 is high, ensures filter effect.
This filter stick 1 can adopt applicant's earlier application number to make for the flexible, porous metal forming provided in the patent of invention of 2014106089803.
Other optimization and distortion is done: above-mentioned metal porous filtering material is replaced by the suitable sintered ceramic porous filter material of condition and also can realizes filter tip manufacture of the present utility model, such as, adopt common on the market porous metalloceramic film, nano ceramic film etc. also can reach above-mentioned effect as filter material in the scope that specific embodiments can limit in claim.
Claims (9)
1. cigarette filter, comprise the external packing layer (2) of filter stick (1) and parcel filter stick (1), it is characterized in that: at least one section of described filter stick (1) is be made up of sintering metal porous filter material or sintered ceramic porous filter material.
2. cigarette filter as claimed in claim 1, is characterized in that: described sintering metal porous filter material is superposed by multi-disc sintered porous metal paper tinsel to form.
3. cigarette filter as claimed in claim 2, is characterized in that: described sintered porous metal paper tinsel is flexible, porous metal forming; Described flexible, porous metal forming forms described sintering metal porous filter material through repeatedly folding.
4. cigarette filter as claimed in claim 2, is characterized in that: the thickness of described sintered porous metal paper tinsel is 5 ~ 200 microns, and average pore size is 0.05 ~ 10 micron, and porosity is 30 ~ 75%.
5. cigarette filter as claimed in claim 4, is characterized in that: described multicellular metal foil is that the metal polyporous material being matrix phase by the metal simple-substance of the metal simple-substance of solid solution alloy, face-centred cubic structure or body-centered cubic structure is formed.
6. as the cigarette filter in Claims 1-4 as described in any one claim, it is characterized in that: described sintering metal porous filter material or sintered ceramic porous filter material are not less than 5 millimeters in filter stick (1) length axially.
7. as the cigarette filter in Claims 1-4 as described in any one claim, it is characterized in that: described filter stick (1) is divided into nearly pipe tobacco section and nearly mouth section, described sintering metal porous filter material or sintered ceramic porous filter material are positioned at nearly pipe tobacco section, and nearly mouth section adopts acetate fiber, polypropylene tows or pure paper to form.
8. as the cigarette filter in Claims 1-4 as described in any one claim, it is characterized in that: described filter stick (1) entirety is made up of sintering metal porous filter material or sintered ceramic porous filter material.
9. as the cigarette filter in Claims 1-4 as described in any one claim, it is characterized in that: described external packing layer (2) is made up of cork paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234679.0U CN204599318U (en) | 2015-04-17 | 2015-04-17 | Cigarette filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234679.0U CN204599318U (en) | 2015-04-17 | 2015-04-17 | Cigarette filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204599318U true CN204599318U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520234679.0U Active CN204599318U (en) | 2015-04-17 | 2015-04-17 | Cigarette filter |
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| Country | Link |
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| CN (1) | CN204599318U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106036999A (en) * | 2016-08-08 | 2016-10-26 | 普瑞特机械制造股份有限公司 | Compound cigarette filter tip |
| CN109761544A (en) * | 2019-01-02 | 2019-05-17 | 深圳市紫莹新材料科技有限公司 | A kind of preparation method of ceramic material cigarette filter rod |
| CN109757769A (en) * | 2019-01-02 | 2019-05-17 | 深圳市紫莹新材料科技有限公司 | A kind of paper filter stick containing ceramic material |
| CN111358048A (en) * | 2018-12-25 | 2020-07-03 | 贵州中烟工业有限责任公司 | Cigarette filter stick |
| CN115039912A (en) * | 2022-06-27 | 2022-09-13 | 武汉轻工大学 | Louver type tobacco filter tip |
-
2015
- 2015-04-17 CN CN201520234679.0U patent/CN204599318U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106036999A (en) * | 2016-08-08 | 2016-10-26 | 普瑞特机械制造股份有限公司 | Compound cigarette filter tip |
| CN111358048A (en) * | 2018-12-25 | 2020-07-03 | 贵州中烟工业有限责任公司 | Cigarette filter stick |
| CN109761544A (en) * | 2019-01-02 | 2019-05-17 | 深圳市紫莹新材料科技有限公司 | A kind of preparation method of ceramic material cigarette filter rod |
| CN109757769A (en) * | 2019-01-02 | 2019-05-17 | 深圳市紫莹新材料科技有限公司 | A kind of paper filter stick containing ceramic material |
| CN109757769B (en) * | 2019-01-02 | 2021-10-22 | 深圳市紫莹新材料科技有限公司 | Paper filter stick containing ceramic material |
| CN115039912A (en) * | 2022-06-27 | 2022-09-13 | 武汉轻工大学 | Louver type tobacco filter tip |
| CN115039912B (en) * | 2022-06-27 | 2024-04-09 | 武汉轻工大学 | Shutter type tobacco filter tip |
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| C14 | Grant of patent or utility model | ||
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