CN207544346U - A kind of electrical heating low temperature cigarette flue gas cool-down mouth stick - Google Patents
A kind of electrical heating low temperature cigarette flue gas cool-down mouth stick Download PDFInfo
- Publication number
- CN207544346U CN207544346U CN201721683861.XU CN201721683861U CN207544346U CN 207544346 U CN207544346 U CN 207544346U CN 201721683861 U CN201721683861 U CN 201721683861U CN 207544346 U CN207544346 U CN 207544346U
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- Prior art keywords
- stick
- film
- paper
- flue gas
- hollow
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- 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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Links
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 46
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000003546 flue gas Substances 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 title claims abstract description 22
- 239000010408 film Substances 0.000 claims abstract description 30
- 239000010409 thin film Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 238000013329 compounding Methods 0.000 claims abstract description 6
- 230000035699 permeability Effects 0.000 claims abstract description 6
- 229920006381 polylactic acid film Polymers 0.000 claims abstract description 6
- 238000011002 quantification Methods 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 11
- 238000000889 atomisation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 210000000214 mouth Anatomy 0.000 description 27
- 241000208125 Nicotiana Species 0.000 description 10
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 10
- 238000005485 electric heating Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The utility model provides a kind of electrical heating low temperature cigarette flue gas cool-down mouth stick, including forming paper and the composite filter being wrapped in forming paper, composite filter is sequentially compounding by the first hollow stick, organic film stick and the second hollow stick, organic film stick presses papery filter tip stick technological forming by polylactic acid film, organic film stick longitudinally forms thin-film rod stomata through trepanning, forming paper is high porosity plug wrap paper, quantification of 60 80 grams, and air permeability is 100 500CU.The utility model improves the heat dissipation effect of material and cooling efficiency by designing double hollow mouth stick structures using large space and suction dead time；High porosity plug wrap paper and tipping paper are punched and used in organic film stick, are conducive to ambient, cool air and are imported cooling atomization flue gas in mouth stick；The hole that organic film bastinade hole is conducive to the space and back segment film left after thin film melt is shunk forms exhaust gases passes, maintains the smoothness of exhaust gases passes, improves back segment film cooling efficiency.
Description
Technical field
The utility model is related to new cigarette field, specifically a kind of electrical heating low temperature cigarette flue gas cool-down mouth stick.
Background technology
Low temperature cigarette is that tobacco is heated by external heating element, the perfume (or spice) in atomizing medium, tobacco in cigarette
Taste ingredient and outer flavoring generate smog rather than by burning by heating, reduce through the burning of the tobacco in conventional cigarette and
The noxious fume ingredient of known type caused by thermal degradation.In the new cigarette of external heat source heating, an important composition
Part is by the cigarette of heating cigarette, which releases the tobacco product of flue gas aerosol under the conditions of low-temperature heat.The cigarette
Straw-made articles reaches atomization temperature under conditions of 250 DEG C~350 DEG C, and high-temperature atomizing flue gas is entered by filter segment in oral cavity
Temperature can be higher than the temperature of regular-size cigarette burning.The cigarette for developing suitable temperature is the key that electric heating cigarette.
The prior art mainly carries out cooling processing by mouth bar material to the high-temperature atomizing flue gas of longitudinal flow, due to mouth stick
Material has certain length limitation, and the cooling material of mouth stick is therefore limited, while flue gas flow rate, than very fast, material is caused, which to cool down, one
Fixed difficulty；In addition the flue gas overheated can experience boiling hot by transverse direction diabatic process during mouth stick, the lip of contact mouth stick, the problem
Ignore in the prior art；In addition there is melting phenomenon after cooling material contact high-temperature flue gas, exhaust gases passes is caused to block, are influenced
Material cooling-down effect even results in exhaust gas volumn and drastically declines.
Utility model content
For deficiencies of the prior art, the utility model provides a kind of electrical heating low temperature cigarette flue gas cool-down mouth
Stick can improve the heat dissipation effect of cooling material and cooling efficiency, effective temperature-reducing is carried out to flue gas.
A kind of electrical heating low temperature cigarette flue gas cool-down mouth stick, including forming paper and the composite filter being wrapped in forming paper,
It is characterized in that：The composite filter is sequentially compounding by the first hollow stick, organic film stick and the second hollow stick, described to have
For machine thin-film rod by polylactic acid film by papery filter tip stick technological forming, organic film stick longitudinally forms thin-film rod gas through trepanning
Hole, punching, the forming paper be high porosity plug wrap paper, quantification of 60-80 grams, air permeability 100-500CU.
Further, forming paper outer layer covers have tipping paper, are punched on tipping paper and form tipping paper stomata.
Further, the density of thin-film rod stomata is 2-4/cm2, each bore dia is 1-2mm.
Further, the first hollow stick diameter of bore is 3~5mm, and the second hollow stick diameter of bore is 2~4mm.
The beneficial effects of the utility model：
1. high porosity plug wrap paper and tipping paper are punched and used in organic film stick surface, be conducive to ambient, cool air and import mouth stick
Middle cooling atomization flue gas；The melting of organic film stick apical sink heat easily blocks exhaust gases passes after shrinking, surface punching has
The space left after being shunk conducive to thin film melt and the hole of back segment film form exhaust gases passes, maintain the smooth of exhaust gases passes
Property, improve back segment film cooling efficiency；
2. the transverse direction that high quantitative forming paper is conducive to mouth stick is heat-insulated, it is unlikely to mouth stick and scalds lip；
3. electric heating cigarette holds electric heating appliance in process of consumption is aspirated, after the suction of 2 seconds, general custom will clamp
The utensil of cigarette takes away lip, pauses 58 seconds, then carries out next substandard products suction action, this process mouth stick and surrounding air can be into
The heat exchange of row long-time and large area.This product is made full use of to inhale custom, double hollow mouth stick structures is designed, environment can be improved
Contact area between air and heat source allows in 58 second interval time that mouth stick inhales in two substandard products when carrying out long with ambient, cool air
Between contact, can improve cooling material heat dissipation effect and cooling efficiency, to flue gas carry out effective temperature-reducing.
Description of the drawings
Fig. 1 is the sectional view of the utility model electrical heating low temperature cigarette flue gas cool-down mouth stick；
Fig. 2 is the expanded view of the utility model electrical heating low temperature cigarette flue gas cool-down mouth stick.
In figure：1-the first hollow stick, 2-organic film stick, the 3-the second hollow stick, 4-forming paper, 5-tipping paper,
6-thin-film rod stomata, 7-tipping paper stomata, 8-atomization tobacco segment.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution in the utility model is carried out clearly and completely
Description.
Embodiment one
Referring to Fig. 1, a kind of electrical heating low temperature cigarette cooling mouth stick, including forming paper 4 and is wrapped in answering in forming paper 4
Filter stick is closed, the composite filter is sequentially compounding by the first hollow stick 1,2 and second hollow stick 3 of organic film stick, described to have
Machine thin-film rod 2 by the polylactic acid film of 40 μ m-thicks, width 18cm by papery filter tip stick technological forming, pass through by 2 longitudinal direction of organic film stick
It wears trepanning and forms thin-film rod stomata 6, punch density is 2/cm2, each bore dia is 2mm.The forming paper 4 is high molding thoroughly
Paper, quantification of 60 grams, air permeability 500CU.
The present embodiment cigarette overall length 53mm, a diameter of 7.7mm of cigarette are made of atomization tobacco segment 8 and mouth stick.Wherein it is atomized
8 length of tobacco segment is 20mm, and 1 length of the first hollow stick is 7mm, and inner hollow diameter 5mm, 2 length of organic film stick is 20mm, the
Two hollow sticks, 3 length is 6mm, inner hollow diameter 4mm.Cigarette is smoked panel test using inner core heating unit.
New cigarette manufactured in the present embodiment can significantly reduce the temperature of cigarette smoke, same compared with existing cigarette
Under the conditions of sample, flue-gas temperature reduces by 18 DEG C.
Embodiment two
Referring to Fig. 1, a kind of electrical heating low temperature cigarette cooling mouth stick, including forming paper 4 and is wrapped in answering in forming paper 4
Filter stick is closed, the composite filter is sequentially compounding by the first hollow stick 1,2 and second hollow stick 3 of organic film stick, described to have
Machine thin-film rod 2 by the polylactic acid film of 40 μ m-thicks, width 12cm by papery filter tip stick technological forming, pass through by 2 longitudinal direction of organic film stick
It wears trepanning and forms thin-film rod stomata 6, punch density is 3/cm2, each bore dia is 1mm.The forming paper 4 is high molding thoroughly
Paper, quantification of 80 grams, air permeability 300CU.
The present embodiment cigarette overall length 60mm, a diameter of 6.5mm of cigarette are made of atomization tobacco segment 8 and mouth stick.Wherein it is atomized
8 length of tobacco segment is 22mm, and 1 length of the first hollow stick is 10mm, and inner hollow diameter 3mm, 2 length of organic film stick is 20mm,
Second hollow stick, 3 length is 8mm, inner hollow diameter 2mm.Cigarette is smoked panel test using peripheral heating unit.
New cigarette manufactured in the present embodiment can significantly reduce the temperature of cigarette smoke, same compared with existing cigarette
Under the conditions of sample, flue-gas temperature reduces by 16 DEG C.
Embodiment three
Referring to Fig. 1, a kind of electrical heating low temperature cigarette cooling mouth stick, including forming paper 4 and is wrapped in answering in forming paper 4
Filter stick is closed, the composite filter is sequentially compounding by the first hollow stick 1,2 and second hollow stick 3 of organic film stick, described to have
Machine thin-film rod 2 by the polylactic acid film of 30 μ m-thicks, width 18cm by papery filter tip stick technological forming, pass through by 2 longitudinal direction of organic film stick
It wears trepanning and forms thin-film rod stomata 6, punch density is 4/cm2, each bore dia is 1mm.The forming paper 4 is high molding thoroughly
Paper, quantification of 80 grams, air permeability 500CU.
The present embodiment cigarette overall length 53mm, a diameter of 7.7mm of cigarette are made of atomization tobacco segment 8 and mouth stick.Wherein it is atomized
8 length of tobacco segment is 20mm, and 1 length of the first hollow stick is 7mm, and inner hollow diameter 5mm, 2 length of organic film stick is 20mm, the
Two hollow sticks, 3 length is 6mm, inner hollow diameter 4mm.Cigarette is smoked panel test using inner core heating unit.
New cigarette manufactured in the present embodiment can significantly reduce the temperature of cigarette smoke, same compared with existing cigarette
Under the conditions of sample, flue-gas temperature reduces by 13 DEG C.
In above-described embodiment, there is tipping paper 5 in 4 outer layer covers of forming paper, punched on tipping paper 5 and form tipping paper stomata 7.
The material of the film mouth stick 2 is polyethylene terephthalate, one kind in polylactic acid or its mixing.
The double hollow mouth stick structures of the utility model design, the heat dissipation of material is improved using large space and suction dead time
Effect and cooling efficiency, effective temperature-reducing is carried out to flue gas；High porosity plug wrap paper and tipping paper are punched and used in organic film stick,
Be conducive to ambient, cool air and import cooling atomization flue gas in mouth stick；The melting of organic film stick apical sink heat is easily blocked up after shrinking
Exhaust gases passes are filled in, surface punching is conducive to the space left after thin film melt is shunk and the hole formation flue gas of back segment film leads to
Road maintains the smoothness of exhaust gases passes, improves back segment film cooling efficiency.
The above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in any technical scope for belonging to those skilled in the art and being disclosed in the utility model, the change that can readily occur in
Change or replace, should be covered within the scope of the utility model.
Claims (4)
1. a kind of electrical heating low temperature cigarette flue gas cool-down mouth stick, including forming paper and the composite filter being wrapped in forming paper,
It is characterized in that：The composite filter is sequentially compounding by the first hollow stick, organic film stick and the second hollow stick, described organic
For thin-film rod by polylactic acid film by papery filter tip stick technological forming, organic film stick longitudinally forms thin-film rod gas through trepanning
Hole, the forming paper be high porosity plug wrap paper, quantification of 60-80 grams, air permeability 100-500CU.
2. electrical heating low temperature cigarette flue gas cool-down mouth stick as described in claim 1, it is characterised in that：Forming paper outer layer covers have
Tipping paper, on tipping paper punching form tipping paper stomata.
3. electrical heating low temperature cigarette flue gas cool-down mouth stick as described in claim 1, it is characterised in that：The density of thin-film rod stomata
For 2-4/cm2, each bore dia is 1-2mm.
4. electrical heating low temperature cigarette flue gas cool-down mouth stick as described in claim 1, it is characterised in that：First hollow stick endoporus is straight
Diameter is 3~5mm, and the second hollow stick diameter of bore is 2~4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721683861.XU CN207544346U (en) | 2017-12-06 | 2017-12-06 | A kind of electrical heating low temperature cigarette flue gas cool-down mouth stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721683861.XU CN207544346U (en) | 2017-12-06 | 2017-12-06 | A kind of electrical heating low temperature cigarette flue gas cool-down mouth stick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207544346U true CN207544346U (en) | 2018-06-29 |
Family
ID=62666033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721683861.XU Active CN207544346U (en) | 2017-12-06 | 2017-12-06 | A kind of electrical heating low temperature cigarette flue gas cool-down mouth stick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207544346U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926032A (en) * | 2018-09-07 | 2018-12-04 | 福建中烟工业有限责任公司 | It is a kind of for heating the cooling-part of non-burning cigarette |
| CN108926031A (en) * | 2018-08-23 | 2018-12-04 | 江西中烟工业有限责任公司 | It is a kind of to heat the cigarette filter rod that do not burn |
| CN109007972A (en) * | 2018-09-29 | 2018-12-18 | 上海鑫盛机械厂 | Flue gas cool-down mouth stick and include that the new type low temperature heating of the mouth stick is not burnt cigarette |
| CN109160355A (en) * | 2018-10-31 | 2019-01-08 | 云南中烟工业有限责任公司 | A kind of cigarette filter rod |
| CN109497618A (en) * | 2018-11-14 | 2019-03-22 | 云南中烟工业有限责任公司 | A kind of cigarette heating the cigarette that do not burn for circumferential direction |
| CN109588775A (en) * | 2018-12-12 | 2019-04-09 | 重庆中烟工业有限责任公司 | A kind of heating with cooling function is not burnt cigarette filter rod |
| CN109602089A (en) * | 2018-12-12 | 2019-04-12 | 湖北中烟工业有限责任公司 | A kind of comprehensive method promotes the cooling pipe of cooling effect |
| CN110959909A (en) * | 2019-12-30 | 2020-04-07 | 南通醋酸纤维有限公司 | Composite filter stick with thermal shrinkage effect and preparation method and application thereof |
| CN111067138A (en) * | 2018-10-18 | 2020-04-28 | 湖南中烟工业有限责任公司 | Heating non-combustion cigarette |
| WO2020089103A1 (en) * | 2018-10-29 | 2020-05-07 | Nerudia Limited | Smoking substitute consumable |
| WO2020089091A1 (en) * | 2018-10-29 | 2020-05-07 | Nerudia Limited | Smoking substitute consumable |
| CN112369663A (en) * | 2020-01-16 | 2021-02-19 | 湖北中烟工业有限责任公司 | Cooling filter rod and low-temperature cigarette with same |
| CN112401298A (en) * | 2019-08-27 | 2021-02-26 | 湖北中烟工业有限责任公司 | Cooling filter rod and low-temperature cigarette with same |
| JP2021514644A (en) * | 2018-11-23 | 2021-06-17 | ケーティー・アンド・ジー・コーポレーション | Cigarettes and aerosol generators for cigarettes |
| CN113491344A (en) * | 2020-03-19 | 2021-10-12 | 湖南中烟工业有限责任公司 | Application of polyethylene glycol terephthalate film material as cigarette forming paper |
| CN114847518A (en) * | 2022-04-30 | 2022-08-05 | 中国烟草总公司郑州烟草研究院 | Method for enhancing cooling effect of polylactic acid segment and filter tip thereof |
| JPWO2022210908A1 (en) * | 2021-03-31 | 2022-10-06 |
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2017
- 2017-12-06 CN CN201721683861.XU patent/CN207544346U/en active Active
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926031A (en) * | 2018-08-23 | 2018-12-04 | 江西中烟工业有限责任公司 | It is a kind of to heat the cigarette filter rod that do not burn |
| CN108926032A (en) * | 2018-09-07 | 2018-12-04 | 福建中烟工业有限责任公司 | It is a kind of for heating the cooling-part of non-burning cigarette |
| CN109007972A (en) * | 2018-09-29 | 2018-12-18 | 上海鑫盛机械厂 | Flue gas cool-down mouth stick and include that the new type low temperature heating of the mouth stick is not burnt cigarette |
| CN111067138A (en) * | 2018-10-18 | 2020-04-28 | 湖南中烟工业有限责任公司 | Heating non-combustion cigarette |
| WO2020089103A1 (en) * | 2018-10-29 | 2020-05-07 | Nerudia Limited | Smoking substitute consumable |
| TWI834745B (en) * | 2018-10-29 | 2024-03-11 | 英商奈路迪亞有限公司 | Smoking substitute consumable, aerosol-forming article, smoking substitute system, and method of using smoking substitute system |
| EP4378328A3 (en) * | 2018-10-29 | 2024-08-07 | Imperial Tobacco Limited | Smoking substitute consumable |
| EP4371424A3 (en) * | 2018-10-29 | 2024-08-14 | Imperial Tobacco Limited | Smoking substitute consumable |
| WO2020089091A1 (en) * | 2018-10-29 | 2020-05-07 | Nerudia Limited | Smoking substitute consumable |
| JP7556852B2 (en) | 2018-10-29 | 2024-09-26 | インペリアル、タバコ、リミテッド | Smoking substitute consumables |
| JP2022506160A (en) * | 2018-10-29 | 2022-01-17 | ネルディア リミテッド | Smoking substitute consumables |
| CN109160355A (en) * | 2018-10-31 | 2019-01-08 | 云南中烟工业有限责任公司 | A kind of cigarette filter rod |
| WO2020088159A1 (en) * | 2018-10-31 | 2020-05-07 | 云南中烟工业有限责任公司 | Cigarette filter rod and preparation method therefor |
| CN109497618A (en) * | 2018-11-14 | 2019-03-22 | 云南中烟工业有限责任公司 | A kind of cigarette heating the cigarette that do not burn for circumferential direction |
| JP2021514644A (en) * | 2018-11-23 | 2021-06-17 | ケーティー・アンド・ジー・コーポレーション | Cigarettes and aerosol generators for cigarettes |
| JP7343251B2 (en) | 2018-11-23 | 2023-09-12 | ケーティー アンド ジー コーポレイション | Cigarettes and aerosol generator for cigarettes |
| US11969011B2 (en) | 2018-11-23 | 2024-04-30 | Kt&G Corporation | Cigarette and aerosol generation device for cigarette |
| CN109602089B (en) * | 2018-12-12 | 2021-05-18 | 湖北中烟工业有限责任公司 | Cooling pipe capable of improving cooling effect in comprehensive mode |
| CN109602089A (en) * | 2018-12-12 | 2019-04-12 | 湖北中烟工业有限责任公司 | A kind of comprehensive method promotes the cooling pipe of cooling effect |
| CN109588775A (en) * | 2018-12-12 | 2019-04-09 | 重庆中烟工业有限责任公司 | A kind of heating with cooling function is not burnt cigarette filter rod |
| CN112401298A (en) * | 2019-08-27 | 2021-02-26 | 湖北中烟工业有限责任公司 | Cooling filter rod and low-temperature cigarette with same |
| CN110959909A (en) * | 2019-12-30 | 2020-04-07 | 南通醋酸纤维有限公司 | Composite filter stick with thermal shrinkage effect and preparation method and application thereof |
| CN110959909B (en) * | 2019-12-30 | 2024-02-20 | 南通醋酸纤维有限公司 | Composite filter stick with heat shrinkage effect and preparation method and application thereof |
| CN112369663A (en) * | 2020-01-16 | 2021-02-19 | 湖北中烟工业有限责任公司 | Cooling filter rod and low-temperature cigarette with same |
| CN113491344A (en) * | 2020-03-19 | 2021-10-12 | 湖南中烟工业有限责任公司 | Application of polyethylene glycol terephthalate film material as cigarette forming paper |
| JP7247424B2 (en) | 2021-03-31 | 2023-03-28 | 日本たばこ産業株式会社 | Non-combustion heated flavor inhalation products |
| JPWO2022210905A1 (en) * | 2021-03-31 | 2022-10-06 | ||
| JPWO2022210909A1 (en) * | 2021-03-31 | 2022-10-06 | ||
| JPWO2022210908A1 (en) * | 2021-03-31 | 2022-10-06 | ||
| CN114847518B (en) * | 2022-04-30 | 2024-06-18 | 中国烟草总公司郑州烟草研究院 | Method for enhancing cooling effect of polylactic acid section and filter tip thereof |
| CN114847518A (en) * | 2022-04-30 | 2022-08-05 | 中国烟草总公司郑州烟草研究院 | Method for enhancing cooling effect of polylactic acid segment and filter tip thereof |
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