CN114762532B - Quick solidification equipment of central line glue - Google Patents
Quick solidification equipment of central line glue Download PDFInfo
- Publication number
- CN114762532B CN114762532B CN202210499871.7A CN202210499871A CN114762532B CN 114762532 B CN114762532 B CN 114762532B CN 202210499871 A CN202210499871 A CN 202210499871A CN 114762532 B CN114762532 B CN 114762532B
- Authority
- CN
- China
- Prior art keywords
- center line
- heating
- heating block
- strip
- cylindrical hole
- 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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Links
- 239000003292 glue Substances 0.000 title claims description 26
- 238000007711 solidification Methods 0.000 title description 2
- 230000008023 solidification Effects 0.000 title description 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 78
- 239000000853 adhesive Substances 0.000 claims abstract description 34
- 230000001070 adhesive effect Effects 0.000 claims abstract description 34
- 239000000919 ceramic Substances 0.000 claims description 10
- 235000019504 cigarettes Nutrition 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 238000001723 curing Methods 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 229920006221 acetate fiber Polymers 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 210000002189 macula lutea Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/26—Drying the seam
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention provides a quick curing device for a center line adhesive, which is used for quickly curing the center line adhesive in a continuously produced strip-shaped object, and is characterized by comprising the following components: the heating device comprises a first heating block, a second heating block and a base, wherein a cylindrical hole suitable for placing a strip-shaped object is formed between the first heating block and the second heating block so as to heat most of the surface of the strip-shaped object, the cylindrical hole is provided with a notch so that at least part of the surface of the strip-shaped object is not heated, and the first heating block and the second heating block are slidably connected with the base. According to the invention, the moisture in the center line adhesive is volatilized rapidly, so that the center line adhesive is dried, the influence of the increase of the moisture content on the circumference, appearance, production efficiency and quality of a heated cigarette product is solved, and the method has the advantage of remarkably improving the quality of the product.
Description
Technical Field
The invention relates to the technical field of tobacco, in particular to a device for quickly solidifying center line glue in the production process of heating cigarettes or filter sticks.
Background
In the processing process of the filter stick, the forming paper and the acetate fiber tows are required to be adhered by the center line glue, so that the acetate fiber tows and the forming paper in the acetate fiber filter stick are prevented from being separated in the cigarette production process, and the fixing effect is achieved. In the production of common acetate fiber filter sticks, a middle line glue is generally used, the dosage of water base glue in the middle line glue is small, and the negative effect of the use of the middle line glue on the filter sticks is not obvious. However, with the development of special filter sticks, especially hollow composite filter sticks, in order to prevent the hollow filter sticks from turning around, a plurality of linear or spiral midline adhesives are generally used, so that the use amount of the water-based adhesive is obviously increased. The addition of the water-based adhesive has obvious adverse effect on the control of the circumference of the filter stick, and in the actual production process, the off-line circumference reaches the designed center value after the water-based adhesive is dried by lifting the center value of the on-line circumference. Because of the large number of factors affecting the circumference, the manner of controlling the circumference is lagged, and the adverse effect is brought to the quality of the product. Meanwhile, in the running process of the filter stick, because more water-based adhesive is extruded on the surface of the forming paper, equipment is polluted, and the appearance quality and the production efficiency of the product are affected.
Some cigarettes are heated by adopting a mode of a composite filter stick, and a plurality of linear or spiral centerline adhesives are generally used for preventing quality problems such as empty head, turning around and the like. In addition to the problems of circumference and product appearance quality, the increase of the water-based adhesive leads to the increase of the water content, and the core material in the heated cigarette is very easy to absorb the water in the water-based adhesive, so that the product quality and the sensory quality of the heated cigarette are affected, and meanwhile, the increase of the water content leads to the formation of yellow spots on the surface of the cigarette paper after the core material absorbs water, so that the appearance of the heated cigarette is affected.
Disclosure of Invention
The invention provides a quick curing device for a center line adhesive, which can quickly volatilize moisture in the center line adhesive to dry the center line adhesive, so that the appearance quality and the production efficiency of a product are improved.
The invention relates to a quick curing device for a center line adhesive,
A rapid curing apparatus for a center line paste for rapidly curing a plurality of center line pastes in a continuously produced strip, comprising: the heating device comprises a first heating block, a second heating block and a base, wherein a cylindrical hole suitable for the strip to pass through is formed between the first heating block and the second heating block, a heating layer is arranged on the inner surface of the cylindrical hole so as to heat the part of the surface contacted with the heating layer when the strip passes through the cylindrical hole, the cylindrical hole is configured to be provided with a notch so that at least one part of the surface of the strip is not heated,
The first heating block and the second heating block are slidably connected to the base,
The inner surface of the cylindrical hole is contacted with the surface of the strip-shaped object where the center line glue is located so as to heat the plurality of center line glue, and meanwhile, the notch of the cylindrical hole enables the overlapping part of the head and the tail of the strip-shaped object to be prevented from being heated.
Preferably, the heating layer includes a resistive layer, a ceramic layer, a first electrode, and a second electrode.
Preferably, the resistor layer is coated on the inner surface of the cylindrical hole, the ceramic layer is coated on the resistor layer, the first electrode is connected with one end of the resistor layer, and the second electrode is connected with the other end of the resistor layer.
Preferably, the heating temperature of the heating layer is 80 ℃ to 500 ℃.
Preferably, the first and second heating blocks are each capable of sliding in a horizontal direction along the base surface.
Preferably, the first heating block and the second heating block are respectively provided with a connecting piece, the connecting piece is provided with a rod part and a protruding part extending outwards from the bottom end of the rod part, and the base is provided with a cavity corresponding to the position of the connecting piece so as to accommodate the protruding part of the connecting piece.
Preferably, the cavity has an opening having a dimension greater than the stem and less than the projection.
Preferably, the first heating block and the second heating block are fixedly connected or integrally formed with the respective connecting pieces.
Preferably, the first or second heating block has one or more of said connectors, and the base has one or more cavities respectively to accommodate said one or more of said connectors.
The invention has the following beneficial effects: according to the invention, the moisture in the center line adhesive is volatilized rapidly, so that the center line adhesive is dried, the influence of the increase of the moisture content on the circumference, appearance, production efficiency and quality of a heated cigarette product is solved, and the method has the advantage of remarkably improving the quality of the product.
Drawings
Fig. 1 is a perspective view of a rapid curing apparatus for a center line paste according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a rapid curing apparatus for a center line paste according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a heating layer of the rapid curing device for the center line adhesive.
The names of the components represented by the reference numerals in the drawings of the specification are as follows:
The rapid curing apparatus comprises a strip 1, a filling material 10, a wrapping material 11, a first adhesive 12, a second adhesive 13, a rapid curing device 2, a first heating block 20, a second heating block 21, a heating layer 22, a resistor 220, ceramic 221, a first electrode 222, a second electrode 223, a notch 23, a gap 24, a connecting piece 26, a rod portion 27, a protruding portion 28, a base 3, a cavity 30, and an opening 32.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. The embodiments described in the present specification are not intended to be exhaustive or to represent the only embodiments of the present invention. The following examples are presented for clarity of illustration of the invention of the present patent and are not intended to limit the embodiments thereof. It will be apparent to those skilled in the art that various changes and modifications can be made in the embodiment described, and that all the obvious changes or modifications which come within the spirit and scope of the invention are deemed to be within the scope of the invention.
Throughout the specification, a portion "comprising" a component means that other components may be included, but not excluded, unless a feature opposite thereto is stated.
As shown in fig. 1 to 3, the rapid curing apparatus 2 for center line glue according to the present invention is used for rapidly curing a plurality of center line glue lines in a continuously produced strip 1. The strip 1 is for example a heated cigarette or filter rod.
The strip 1 comprises a filling material 10 and a wrapping material 11 surrounding the filling material 10, and is cylindrical as a whole. A first adhesive 12 is applied between the filler material 10 and the wrapper 11, and the filler material 10 and the wrapper 11 are bonded by the first adhesive 12. The first adhesive 12 preferably occupies 3% -30% of the contact surface of the two, preferably has a width of 0.2mm-5mm, and a thickness of 0.05-1mm, and the material is mainly water-based adhesive. The first adhesive 12 is a center line adhesive extending in a straight line or spiral along the axial direction of the strip 1. The curing device of the present invention is required to heat cure the center line adhesive 12. Further, when the wrapping material 11 is rolled into a circular shape, the ends overlap, a second adhesive 13 is applied between the overlapping portions, and the ends of the wrapping material 11 are bonded by the second adhesive 13. The second adhesive 13 preferably occupies 40% -80% of the overlapping surface, preferably has a width of 0.2mm-3mm, and a thickness of 0.05-1mm, and the material is mainly hot melt adhesive. The second adhesive 13 should be prevented from being heated.
The rapid curing device 2 for the center line adhesive comprises: the strip-shaped object heating device comprises a first heating block 20, a second heating block 21 and a base 3, wherein a cylindrical hole 25 suitable for the strip-shaped object 1 to pass through is formed between the first heating block 20 and the second heating block 21, and a heating layer 22 is arranged on the inner surface of the cylindrical hole 25 so as to heat the surface of a part (namely most part) of the strip-shaped object 1 contacted with the heating layer when passing through the cylindrical hole. As shown in fig. 2, the first and second heating blocks 20, 21 are constructed in a symmetrical shape in the present embodiment. Furthermore, the cylindrical hole 25 is configured with a notch 23 so that at least a portion of the surface of the strip 1 is not heated. As can be seen from fig. 2, the inner surface of the cylindrical hole 25 mainly contacts the surface of the strip 1 where the center line glue 12 is located, so as to heat the center line glue 12, and the notch 23 of the cylindrical hole 25 prevents the overlapping part of the strip 1 from being heated.
In a preferred embodiment, as shown particularly in fig. 3, the inner surface of the cylindrical bore 25 has a heating layer 22. The heating layer 22 includes a resistive layer 220, a ceramic layer 221, a first electrode 222, and a second electrode 223. The resistive layer 220 is coated on the inner surface of the cylindrical hole 25, and the ceramic layer 221 is coated on the resistive layer 220. The ceramic layer 221 is disposed on the resistor layer 220, mainly because the surface of the ceramic layer 221 is smooth, so that the bar 1 can run smoothly in the cylindrical hole 25, and the surface shape of the bar 1 is prevented from being damaged. Further, the first electrode 222 is connected to one end of the resistive layer 220, and the second electrode 223 is connected to the other end of the resistive layer 220. The first electrode 222 and the second electrode 223 can provide electric energy, so that the resistive layer 220 heats up, and the center line glue 12 of the strip 1 is heated by the ceramic layer 221. The heating temperature of the heating layer 22 is preferably 80 to 500 ℃.
In the present invention, the first heating block 20 and the second heating block 21 are slidably connected to the base 3. Specifically, the first heating block 20 and the second heating block 21 are each capable of sliding in the horizontal direction along the surface of the base 3. By such arrangement, the size of the cylindrical hole 25 formed between the first heating block 20 and the second heating block 21 can be adjusted. Because the specifications of the strips 1 are different and the circumferences of the strips are possibly different, the strips 1 with different diameters can be heated by arranging the movable first heating block 20 and the movable second heating block 21, and the outer surfaces of the strips 1 with different diameters can be well and fully covered, so that the heating efficiency is effectively improved.
The first heating block 20 and the second heating block 21 are respectively provided with a connecting piece 26, the connecting piece 26 is provided with a rod portion 27 and a protruding portion 28 extending outwards from the bottom end of the rod portion 27, and the base 3 is provided with a cavity 30 corresponding to the position of the connecting piece 26 so as to accommodate the protruding portion 28 of the connecting piece.
The cavity 30 has an opening 32, the opening 32 having a dimension that is larger than the stem 27 and smaller than the projection 28. In this way, the projection 28 of the connecting element 26 is engaged in the cavity 30, while the stem 27 can move in a direction orthogonal to the axial direction of the strip 1, within the width defined by the opening 32. As shown in fig. 2, a state in which a gap 24 is formed between the first heating block 20 and the second heating block 21 is shown.
Wherein, the first heating block 20 and the second heating block 21 are fixedly connected or integrally formed with the respective connecting pieces 26. In one embodiment, the connection 26 may simply be a bolt threadedly coupled to the first and second heating blocks 20 and 21.
In a preferred embodiment, the first heating block 20 or the second heating block 21 has one or more of the connectors 26, and the base 3 has one or more cavities 30, respectively, to accommodate the one or more connectors 26. For example, one connecting piece 26 is provided at each of both ends of the first heating block 20 or the second heating block 21 in the axial direction of the strip 1.
The base 3 of the rapid curing device 2 for the center line glue is also used for being fixed with a machine for producing a strip-shaped object such as a heated cigarette or a filter rod, so that the strip-shaped object smoothly passes through the cylindrical hole 25 of the curing device 2 in the continuous production process of the strip-shaped object, the center line glue 12 in the axial direction of the strip-shaped object 1 is heated, and the center line glue is dried by rapidly volatilizing moisture in the center line glue, so that the influence of the increase of the moisture content on the circumference, the appearance, the production efficiency and the quality of a heated cigarette product is solved, and the advantages of remarkably improving the product quality are realized.
The beneficial technical effects of the hollow composite filter stick and the heated cigarette after the device of the invention is applied are described below.
1. Application of hollow composite filter stick
The advantages are that: 1) After the quick curing device for the acceleration center line glue is applied, the on-line circumference average value is consistent with the off-line circumference average value, no correction value is needed, and the product quality control is convenient. 2) The filter stick with colloidal particles on the outer surface is reduced by 1.2%, and the appearance quality of the filter stick is improved. 3) The reduction of colloidal particles reduces the frequency of stopping machine for sanitation, and the effective operation rate of the equipment is improved by 1.2 percent.
2. Application of heating cigarette
The advantages are that: 1) After the quick curing device for the acceleration center line glue is applied, the on-line circumference average value is consistent with the off-line circumference average value, no correction value is needed, and the product quality control is convenient. 2) The outer surface has no macula lutea, and improves the appearance quality of the heated cigarettes. 3) The water content of the heated cigarettes is reduced by 0.4%, the highest temperature of the smoke is reduced by 0.8 ℃ due to the reduction of the water content, and the sensory quality of the heated cigarettes is improved.
It will be apparent to those skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (9)
1. A rapid curing apparatus for a center line paste for rapidly curing a plurality of center line pastes in a continuously produced strip, comprising: a first heating block, a second heating block and a base, wherein a cylindrical hole suitable for the strip to pass through is formed between the first heating block and the second heating block, a heating layer is arranged on the inner surface of the cylindrical hole so as to heat the part of the surface contacted with the heating layer when the strip passes through the cylindrical hole, the cylindrical hole is configured to be provided with a notch so that at least one part of the surface of the strip is not heated, the first heating block and the second heating block are slidably connected with the base,
The inner surface of the cylindrical hole is contacted with the surface of the strip-shaped object where the center line glue is located so as to heat the plurality of center line glue, and meanwhile, the notch of the cylindrical hole enables the overlapping part of the head and the tail of the strip-shaped object to be prevented from being heated.
2. The center line paste rapid curing apparatus of claim 1, wherein the heating layer comprises a resistive layer, a ceramic layer, a first electrode, and a second electrode.
3. The rapid curing device for the center line paste according to claim 2, wherein the resistor layer is coated on the inner surface of the cylindrical hole, the ceramic layer is coated on the resistor layer, the first electrode is connected with one end of the resistor layer, and the second electrode is connected with the other end of the resistor layer.
4. The center line paste rapid curing apparatus as claimed in claim 1, wherein the heating temperature of the heating layer is 80 to 500 ℃.
5. The center line glue rapid curing apparatus of claim 1, wherein the first and second heating blocks are each capable of sliding in a horizontal direction along the base surface.
6. The rapid curing apparatus for center line paste according to claim 5, wherein the first and second heating blocks are respectively provided with a connecting member having a stem portion and a protruding portion extending outwardly from a bottom end of the stem portion, and the base has a cavity corresponding to the position of the connecting member to accommodate the protruding portion of the connecting member.
7. The center line glue rapid curing apparatus of claim 6, wherein the cavity has an opening having a dimension that is greater than the stem and less than the tab.
8. The rapid curing apparatus for center line adhesive according to claim 7, wherein the first and second heating blocks are fixedly connected or integrally formed with respective connecting members.
9. The center line glue rapid curing apparatus of claim 7, wherein the first or second heating block has one or more of the connectors and the base has one or more cavities to accommodate the one or more connectors, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499871.7A CN114762532B (en) | 2022-05-06 | 2022-05-06 | Quick solidification equipment of central line glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499871.7A CN114762532B (en) | 2022-05-06 | 2022-05-06 | Quick solidification equipment of central line glue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114762532A CN114762532A (en) | 2022-07-19 |
| CN114762532B true CN114762532B (en) | 2024-05-17 |
Family
ID=82365067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210499871.7A Active CN114762532B (en) | 2022-05-06 | 2022-05-06 | Quick solidification equipment of central line glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114762532B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH342883A (en) * | 1956-04-12 | 1959-11-30 | Mueller Paul Adolf Dipl Ing | Form fitting in a filter plug and cigarette machine |
| US5345955A (en) * | 1992-09-17 | 1994-09-13 | R. J. Reynolds Tobacco Company | Composite fuel element for smoking articles |
| JP2997249B1 (en) * | 1998-09-22 | 2000-01-11 | 日本たばこ産業株式会社 | Low sidestream smoke type cigarette making machine |
| CN1423981A (en) * | 2001-12-10 | 2003-06-18 | 侯关荣 | Natural fibre cigarette tip and production thereof |
| EP1905317A1 (en) * | 2006-09-28 | 2008-04-02 | Hauni Maschinenbau Aktiengesellschaft | Method and device for warming and hardening filter rods |
| CN101589848A (en) * | 2008-05-29 | 2009-12-02 | 浙江中烟工业有限责任公司 | The Perfuming machine of filter-stick forming device |
| JP2011230867A (en) * | 2010-04-26 | 2011-11-17 | Panasonic Corp | Strip-shaped object conveyance device and method |
| CN104910863A (en) * | 2015-04-27 | 2015-09-16 | 湖北中烟工业有限责任公司 | Filter rod center line rubber and preparation process thereof |
| CN109393558A (en) * | 2018-12-19 | 2019-03-01 | 湖北金叶玉阳化纤有限公司 | A kind of PLA cooling filter stick and preparation method thereof |
| CN112512348A (en) * | 2018-08-03 | 2021-03-16 | 菲利普莫里斯生产公司 | Reconfigurable packaging mechanism |
| CN113286530A (en) * | 2019-12-19 | 2021-08-20 | 韩国烟草人参公社 | Aerosol-generating device and aerosol-generating system comprising a heating element |
-
2022
- 2022-05-06 CN CN202210499871.7A patent/CN114762532B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH342883A (en) * | 1956-04-12 | 1959-11-30 | Mueller Paul Adolf Dipl Ing | Form fitting in a filter plug and cigarette machine |
| US5345955A (en) * | 1992-09-17 | 1994-09-13 | R. J. Reynolds Tobacco Company | Composite fuel element for smoking articles |
| JP2997249B1 (en) * | 1998-09-22 | 2000-01-11 | 日本たばこ産業株式会社 | Low sidestream smoke type cigarette making machine |
| CN1423981A (en) * | 2001-12-10 | 2003-06-18 | 侯关荣 | Natural fibre cigarette tip and production thereof |
| EP1905317A1 (en) * | 2006-09-28 | 2008-04-02 | Hauni Maschinenbau Aktiengesellschaft | Method and device for warming and hardening filter rods |
| CN101589848A (en) * | 2008-05-29 | 2009-12-02 | 浙江中烟工业有限责任公司 | The Perfuming machine of filter-stick forming device |
| JP2011230867A (en) * | 2010-04-26 | 2011-11-17 | Panasonic Corp | Strip-shaped object conveyance device and method |
| CN104910863A (en) * | 2015-04-27 | 2015-09-16 | 湖北中烟工业有限责任公司 | Filter rod center line rubber and preparation process thereof |
| CN112512348A (en) * | 2018-08-03 | 2021-03-16 | 菲利普莫里斯生产公司 | Reconfigurable packaging mechanism |
| CN109393558A (en) * | 2018-12-19 | 2019-03-01 | 湖北金叶玉阳化纤有限公司 | A kind of PLA cooling filter stick and preparation method thereof |
| CN113286530A (en) * | 2019-12-19 | 2021-08-20 | 韩国烟草人参公社 | Aerosol-generating device and aerosol-generating system comprising a heating element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114762532A (en) | 2022-07-19 |
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Inventor after: Wang Minghui Inventor after: Luo Liang Inventor after: Jin Qiang Inventor after: Chen Kun Inventor after: Chen Weidong Inventor after: Gu Hongsheng Inventor before: Wang Minghui Inventor before: Luo Liang Inventor before: Gu Hongsheng Inventor before: Chen Weidong |
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