CN220654753U - Porous hollow fiber cigarette filter tip - Google Patents
Porous hollow fiber cigarette filter tip Download PDFInfo
- Publication number
- CN220654753U CN220654753U CN202322249685.0U CN202322249685U CN220654753U CN 220654753 U CN220654753 U CN 220654753U CN 202322249685 U CN202322249685 U CN 202322249685U CN 220654753 U CN220654753 U CN 220654753U
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- CN
- China
- Prior art keywords
- filter
- fixedly arranged
- layer
- filter tip
- porous hollow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 45
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 25
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 24
- 239000004626 polylactic acid Substances 0.000 claims abstract description 24
- 238000009423 ventilation Methods 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 229920006238 degradable plastic Polymers 0.000 claims abstract description 15
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 54
- 238000001179 sorption measurement Methods 0.000 claims description 29
- 239000000835 fiber Substances 0.000 claims description 22
- 244000276331 Citrus maxima Species 0.000 claims description 18
- 229920006221 acetate fiber Polymers 0.000 claims description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 13
- 241001330002 Bambuseae Species 0.000 claims description 13
- 229920000742 Cotton Polymers 0.000 claims description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 13
- 239000011425 bamboo Substances 0.000 claims description 13
- 235000001759 Citrus maxima Nutrition 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 11
- 239000003610 charcoal Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 244000061176 Nicotiana tabacum Species 0.000 claims 2
- 230000000391 smoking effect Effects 0.000 abstract description 23
- 241000208125 Nicotiana Species 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 23
- 239000000126 substance Substances 0.000 description 10
- 206010062717 Increased upper airway secretion Diseases 0.000 description 7
- 208000026435 phlegm Diseases 0.000 description 7
- 239000000049 pigment Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 201000007100 Pharyngitis Diseases 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 206010068319 Oropharyngeal pain Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 230000036345 yellow teeth Effects 0.000 description 1
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The utility model relates to the technical field of smoking tools and discloses a porous hollow fiber cigarette filter tip, which comprises a main body mechanism and a filtering mechanism, wherein the filtering mechanism is positioned in the main body mechanism, the main body mechanism comprises a filter tip cylinder body, a ventilation cavity and a degradable plastic suction nozzle, the ventilation cavity is fixedly arranged at the upper end of the filter tip cylinder body, the degradable plastic suction nozzle is fixedly arranged at the lower end of the filter tip cylinder body, the main body mechanism further comprises an installation cavity, a polylactic acid filter tip, a cigarette, tobacco shreds and a fixing component, the installation cavity is fixedly arranged at the upper end of the ventilation cavity, and the polylactic acid filter tip is fixedly arranged at the inner end of the installation cavity. According to the porous hollow fiber cigarette filter, the degradable plastic suction nozzle and the polylactic acid filter tip are arranged, so that the outer layer and the inner side of the porous hollow fiber cigarette filter tip are both wrapped by the degradable materials, the porous hollow fiber cigarette filter tip can be degraded in time when the subsequent filter tip is discarded, the environmental protection property of the cigarette filter tip is improved when the porous hollow fiber cigarette filter tip is used, and long-term sustainable development is facilitated.
Description
Technical Field
The utility model relates to the technical field of smoking articles, in particular to a porous hollow fiber cigarette filter tip.
Background
When the cigarette is burnt, the smoke contains 5068 harmful chemical substances, wherein the number of carcinogenic and carcinomatous substances is up to 69, the most serious harm to human bodies is nicotine, tobacco tar, carbon monoxide, radioactive substances and the like, and the filter tip filters the tobacco toxin, so that cough, excessive phlegm, pharyngitis, sore throat and the like caused by smoking can be effectively avoided, and meanwhile, the conditions of yellow fingers, yellow teeth and the like caused by smoking can be also avoided.
The prior art CN214127000U patent document proposes a cigarette polylactic acid filter, which patent document mentions that comprises: acetate fiber filter stick, tipping paper and filtering particles; the left end of the acetate fiber filter stick is connected with the right end of the tobacco rod through tipping paper; filter particles are filled in the middle of the acetate fiber filter stick; tipping paper parcel filter granule radially is equipped with a plurality of micropores, this novel parcel is carried out microporous granule to letting the stable storage of filtrate in microporous granule, avoiding the filtrate to volatilize the back and losing the effect of filtering the flue gas, the heat of flue gas can dissolve sealing film with saliva in the oral cavity during smoking, avoids the smoker to need the outside to apply certain extrusion strength, breaks through the broken pearl that explodes, the inconvenient operation that leads to and cigarette polylactic acid filter tip warp because of the extrusion.
In the actual use process of the existing porous hollow fiber cigarette filter tip, the filter tip of the cigarette is difficult to degrade after the cigarette is used, the surrounding environment is easy to pollute and destroy, and the safety is low during use.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to provide a porous hollow fiber cigarette filter, which solves the problems that the cigarette filter is difficult to degrade and is not environment-friendly in use in the prior art.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the porous hollow fiber cigarette filter comprises a main body mechanism and a filtering mechanism, wherein the filtering mechanism is positioned in the main body mechanism, the main body mechanism comprises a filter cylinder body, a ventilation cavity and a degradable plastic suction nozzle, the ventilation cavity is fixedly arranged at the upper end of the filter cylinder body, and the degradable plastic suction nozzle is fixedly arranged at the lower end of the filter cylinder body;
the main body mechanism further comprises an installation cavity, a polylactic acid filter tip, a cigarette and cut tobacco, wherein the installation cavity is fixedly arranged at the upper end of the ventilation cavity, the polylactic acid filter tip is fixedly arranged at the inner end of the installation cavity, the cigarette is fixedly arranged at the upper end of the polylactic acid filter tip, the cut tobacco is fixedly arranged at the inner end of the cigarette, the polylactic acid filter tip and the degradable plastic suction nozzle are made of two degradable materials, the polylactic acid filter tip is made of polyester polymerized by lactic acid serving as a raw material, the polylactic acid has excellent biodegradability, compatibility and absorbability, the filter tip has excellent degradability, and the degradable plastic suction nozzle is made of degradable plastic, and the degradability of the filter tip is further improved.
Preferably, the filter mechanism comprises a flue, a filter layer, a tipping paper I, an activated carbon adsorption layer I, a absorbent cotton layer, a bamboo carbon fiber layer, a fiber tow layer, shaddock peel bag particles, an acetate fiber filter layer, an activated carbon adsorption layer II and a tipping paper II, wherein the flue is fixedly arranged at the lower end of the inner end of the ventilation cavity, and smoke generated during smoking can be conveyed to the filter layer from the polylactic acid filter tip, the installation cavity and the flue through the use of the flue.
Preferably, the filter layer is fixedly arranged at the lower end of the flue, the tipping paper I is fixedly arranged at the inner end of the filter layer, and smoke generated during smoking can be filtered through the use of the filter layer, and the tipping paper I can be fixedly supported for the position of the filter component through the use of the tipping paper I.
Preferably, the first activated carbon adsorption layer is fixedly arranged at the lower end of the first tipping paper, the absorbent cotton layer is fixedly arranged at the lower end of the first activated carbon adsorption layer, and through the use of the first activated carbon adsorption layer, most harmful substances such as tar in smoke generated during smoking can be adsorbed, and through the use of the absorbent cotton layer, partial pigment in the smoke generated during smoking can be filtered better, so that the yellow tongue yellow and other conditions of a user caused by pigment are reduced.
Preferably, the bamboo charcoal fiber silk layer is fixedly arranged at the lower end of the absorbent cotton layer, the fiber silk layer is fixedly arranged at the lower end of the bamboo charcoal fiber silk layer, and through the use of the bamboo charcoal fiber silk layer, substances harmful to the body such as partial bacterial viruses in smoke generated during smoking can be filtered, and through the use of the fiber silk layer, the filter assembly can be supported, so that the filter assembly can be firmly fixed in the filter layer.
Preferably, the shaddock peel bag granule fixed mounting is in the lower extreme of fibre tow layer, acetate fiber filter layer fixed mounting is in the lower extreme of shaddock peel bag granule, through the use of shaddock peel bag granule for shaddock peel bag granule can be in the smog when filtering, makes the user when smoking, can have fresh and left and right sides, and the shaddock peel has the efficiency of eliminating phlegm, makes it can be for the throat of user to eliminate phlegm, through the use of acetate fiber filter layer, makes it can increase smog and filter assembly's contact surface, thereby makes the filtration efficiency can improve.
Preferably, the second activated carbon adsorption layer is fixedly installed at the lower end of the acetate fiber filter layer, the second tipping paper is fixedly installed at the lower end of the second activated carbon adsorption layer, and can be matched with the first activated carbon adsorption layer to filter and adsorb the residual smoke through the use of the second activated carbon adsorption layer, and can be matched with the first tipping paper to fix the filter assembly through the use of the second tipping paper.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the porous hollow fiber cigarette filter, the degradable plastic suction nozzle and the polylactic acid filter are arranged, the polylactic acid filter is polyester polymerized by taking lactic acid as a raw material, and the polylactic acid has excellent biodegradability, compatibility and absorbability, so that the filter has excellent degradability, the outer layer and the inner side of the porous hollow fiber cigarette filter are wrapped by degradable materials, the porous hollow fiber cigarette filter can be degraded in time conveniently when the subsequent filter is discarded, the environmental protection of the cigarette filter is improved when the porous hollow fiber cigarette filter is used, and long-term sustainable development is facilitated;
2. according to the porous hollow fiber cigarette filter tip, a filter mechanism is arranged, so that a large amount of harmful substances generated during the combustion of the cigarette can be filtered and adsorbed, the damage of the harmful substances to human bodies is reduced, and the safety of a user is improved;
3. according to the porous hollow fiber cigarette filter tip, the degradable plastic suction nozzle is arranged, so that uncomfortable feeling caused by the excessively hard suction nozzle to the mouth is avoided when a user uses the device to smoke, the uncomfortable feeling of the user is reduced, and the comfort of the device is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a part of the main body mechanism of the present utility model;
FIG. 3 is a schematic view of a partial cross-sectional structure of a body mechanism according to the present utility model;
FIG. 4 is a schematic view of a main body part enlarged structure of the present utility model;
FIG. 5 is a partially enlarged schematic view of a filtering mechanism according to the present utility model;
fig. 6 is a schematic diagram of a partially enlarged structure of the filtering mechanism of the present utility model.
In the figure: 1. a main body mechanism; 101. a filter cartridge body; 102. a ventilation chamber; 103. a degradable plastic suction nozzle; 104. a mounting cavity; 105. polylactic acid filter tip; 106. a cigarette; 107. tobacco shred; 2. a filtering mechanism; 201. passing through a flue; 202. a filter layer; 203. tipping paper I; 204. an active carbon adsorption layer I; 205. a cotton wool layer; 206. a bamboo charcoal fiber layer; 207. a fibrous tow layer; 208. pomelo peel bag particles; 209. an acetate fiber filter layer; 210. an active carbon adsorption layer II; 211. tipping paper two.
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.
Referring to fig. 1-6, the present utility model provides a technical solution: the porous hollow fiber cigarette filter comprises a main body mechanism 1 and a filter mechanism 2, wherein the filter mechanism 2 is positioned in the main body mechanism 1, the main body mechanism 1 comprises a filter cylinder 101, a ventilation cavity 102 and a degradable plastic suction nozzle 103, the ventilation cavity 102 is fixedly arranged at the upper end of the filter cylinder 101, and the degradable plastic suction nozzle 103 is fixedly arranged at the lower end of the filter cylinder 101;
the main body mechanism 1 further comprises a mounting cavity 104, a polylactic acid filter tip 105, a cigarette 106 and tobacco shreds 107, wherein the mounting cavity 104 is fixedly arranged at the upper end of the ventilation cavity 102, the polylactic acid filter tip 105 is fixedly arranged at the inner end of the mounting cavity 104, the cigarette 106 is fixedly arranged at the upper end of the polylactic acid filter tip 105, the tobacco shreds 107 are fixedly arranged at the inner end of the cigarette 106, and the fixing component 108 is fixedly arranged at the outer end of the ventilation cavity 102.
The filter mechanism 2 comprises a flue 201, a filter layer 202, a tipping paper I203, an activated carbon adsorption layer I204, a absorbent cotton layer 205, a bamboo charcoal fiber layer 206, a fiber tow layer 207, shaddock peel bag particles 208, an acetate fiber filter layer 209, an activated carbon adsorption layer II 210 and a tipping paper II 211, wherein the flue 201 is fixedly arranged at the lower end of the inner end of the ventilation cavity 102, when a user uses the device, smoke generated during smoking can be conveyed to the filter layer 202 from the polylactic acid filter 105, the installation cavity 104 and the flue 201 through the use of the flue 201, and smoke generated during smoking can be filtered through the use of the filter layer 202.
The filter layer 202 is fixedly arranged at the lower end of the flue 201, the first tipping paper 203 is fixedly arranged at the inner end of the filter layer 202, the first activated carbon adsorption layer 204 is fixedly arranged at the lower end of the first tipping paper 203, the absorbent cotton layer 205 is fixedly arranged at the lower end of the first activated carbon adsorption layer 204, the bamboo carbon fiber wire layer 206 is fixedly arranged at the lower end of the absorbent cotton layer 205, the fiber tow layer 207 is fixedly arranged at the lower end of the bamboo carbon fiber wire layer 206, the shaddock peel granules 208 are fixedly arranged at the lower end of the fiber tow layer 207, the acetate fiber filter layer 209 is fixedly arranged at the lower end of the shaddock peel granules 208, the second activated carbon adsorption layer 210 is fixedly arranged at the lower end of the acetate fiber filter layer 209, the second tipping paper 211 is fixedly arranged at the lower end of the second activated carbon adsorption layer 210, the filter assembly can be fixedly supported by the use of the first tipping paper 203, the filter can absorb most of harmful substances such as tar in smoke generated during smoking, partial pigment in the smoke generated during smoking can be filtered better through the use of the absorbent cotton layer 205, so that the yellow tongue yellow and other conditions of a user caused by pigment can be reduced, partial substances harmful to the human body such as bacterial viruses in the smoke generated during smoking can be filtered through the use of the bamboo charcoal fiber silk layer 206, the filter can support the filter assembly through the use of the fiber silk layer 207, the filter assembly can be firmly fixed in the filter layer 202, the pomelo peel bag particles 208 can be doped in the smoke during filtering, the user can have fresh and refreshing effect during smoking, the pomelo peel has the effect of reducing phlegm, the filter can be used for resolving phlegm for the throat of a user, the contact surface between smoke and a filter assembly can be increased through the use of the acetate fiber filter layer 209, so that the filtering efficiency can be improved, the filter can be matched with the first activated carbon adsorption layer 204 to filter and adsorb the residual smoke through the use of the second activated carbon adsorption layer 210, and the filter assembly can be fixed through the use of the second tipping paper 211 and the first tipping paper 203.
Working principle: when a user uses the filter tip, smoke generated during smoking can be conveyed from the polylactic acid filter tip 105, the mounting cavity 104 and the flue 201 to the filter layer 202 through the use of the flue 201, the smoke generated during smoking can be filtered through the use of the filter layer 202, the filter assembly can be fixedly supported through the use of the tipping paper I203, most of harmful substances such as tar in the smoke generated during smoking can be adsorbed through the use of the activated carbon adsorption layer I204, part of pigments in the smoke generated during smoking can be better filtered through the use of the absorbent cotton layer 205, so that conditions such as yellow tongue and yellow tongue of the user caused by pigments can be reduced, part of substances such as bacterial viruses and the like harmful to the body generated during smoking can be filtered through the use of the bamboo charcoal fiber silk layer 206, the filter assembly can be firmly fixed in the filter layer 202 by using the fiber tow layer 207, the pomelo peel bag particles 208 can be doped in the smoke while filtering by using the pomelo peel bag particles 208, so that a user can have fresh and left sides when smoking, the pomelo peel has the effect of resolving phlegm, the throat of the user can resolve phlegm, the contact surface between the smoke and the filter assembly can be increased by using the acetate fiber filter layer 209, the filtering effect can be improved by using the activated carbon adsorption layer II 210, the residual smoke can be filtered and adsorbed by using the activated carbon adsorption layer II 211 in combination with the activated carbon adsorption layer II 204, so that it can be fitted with tipping paper 203 to fix the filter assembly.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a porous hollow fiber cigarette filter, includes main part mechanism (1) and filtering mechanism (2), its characterized in that: the filter mechanism (2) is positioned in the main body mechanism (1), the main body mechanism (1) comprises a filter tip cylinder body (101), a ventilation cavity (102) and a degradable plastic suction nozzle (103), the ventilation cavity (102) is fixedly arranged at the upper end of the filter tip cylinder body (101), and the degradable plastic suction nozzle (103) is fixedly arranged at the lower end of the filter tip cylinder body (101);
the main body mechanism (1) further comprises an installation cavity (104), a polylactic acid filter tip (105), a cigarette (106) and cut tobacco (107), wherein the installation cavity (104) is fixedly arranged at the upper end of the ventilation cavity (102), the polylactic acid filter tip (105) is fixedly arranged at the inner end of the installation cavity (104), the cigarette (106) is fixedly arranged at the upper end of the polylactic acid filter tip (105), and the cut tobacco (107) is fixedly arranged at the inner end of the cigarette (106).
2. A porous hollow fiber cigarette filter according to claim 1, wherein: the filter mechanism (2) comprises a flue (201), a filter layer (202), a first tipping paper (203), an active carbon adsorption layer (204), a absorbent cotton layer (205), a bamboo charcoal fiber layer (206), a fiber tow layer (207), shaddock peel bag particles (208), an acetate fiber filter layer (209), a second active carbon adsorption layer (210) and a second tipping paper (211), wherein the flue (201) is fixedly arranged at the lower end of the inner end of the ventilation cavity (102).
3. A porous hollow fiber cigarette filter as in claim 2 wherein: the filter layer (202) is fixedly arranged at the lower end of the flue (201), and the tipping paper I (203) is fixedly arranged at the inner end of the filter layer (202).
4. A porous hollow fiber cigarette filter according to claim 3, wherein: the first activated carbon adsorption layer (204) is fixedly arranged at the lower end of the first tipping paper (203), and the absorbent cotton layer (205) is fixedly arranged at the lower end of the first activated carbon adsorption layer (204).
5. A porous hollow fiber cigarette filter as in claim 4 wherein: the bamboo charcoal fiber layer (206) is fixedly arranged at the lower end of the absorbent cotton layer (205), and the fiber tow layer (207) is fixedly arranged at the lower end of the bamboo charcoal fiber layer (206).
6. A porous hollow fiber cigarette filter as in claim 5 wherein: the shaddock peel bag granule (208) is fixedly arranged at the lower end of the fiber tow layer (207), and the acetate fiber filter layer (209) is fixedly arranged at the lower end of the shaddock peel bag granule (208).
7. A porous hollow fiber cigarette filter as in claim 6 wherein: the second activated carbon adsorption layer (210) is fixedly arranged at the lower end of the acetate fiber filter layer (209), and the second tipping paper (211) is fixedly arranged at the lower end of the second activated carbon adsorption layer (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249685.0U CN220654753U (en) | 2023-08-22 | 2023-08-22 | Porous hollow fiber cigarette filter tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249685.0U CN220654753U (en) | 2023-08-22 | 2023-08-22 | Porous hollow fiber cigarette filter tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220654753U true CN220654753U (en) | 2024-03-26 |
Family
ID=90334651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322249685.0U Active CN220654753U (en) | 2023-08-22 | 2023-08-22 | Porous hollow fiber cigarette filter tip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220654753U (en) |
-
2023
- 2023-08-22 CN CN202322249685.0U patent/CN220654753U/en active Active
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