CN113712253B - Filter rod with suspended inner core and preparation device and method thereof - Google Patents
Filter rod with suspended inner core and preparation device and method thereof Download PDFInfo
- Publication number
- CN113712253B CN113712253B CN202111008777.9A CN202111008777A CN113712253B CN 113712253 B CN113712253 B CN 113712253B CN 202111008777 A CN202111008777 A CN 202111008777A CN 113712253 B CN113712253 B CN 113712253B
- Authority
- CN
- China
- Prior art keywords
- inner core
- core
- outer core
- filter rod
- steam curing
- 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.)
- Active
Links
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
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
-
- 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
- A24D1/00—Cigars; Cigarettes
- A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
-
- 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
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention discloses an inner core suspended filter rod, a preparation device and a preparation method thereof, and belongs to the field of tobacco products. The preparation device comprises a first fiber tow opening device, a second fiber tow opening device, an inner core steam curing device and an outer core steam curing device, wherein the first fiber tow opening device inputs first fibers into the inner core steam curing device to form an inner core, and the second fiber tow opening device inputs second fibers into the outer core steam curing device to form an outer core, and the preparation device is characterized in that: the inner core positioning device is provided with a hollow inner core pipe, the inner core enters the outer core steam curing device through the inner core pipe, and when the inner core pipe reciprocally enters and exits in the outer core steam curing device, an interval hollow area is formed between the outer core and the inner core. The filtering bar steel gas is more uniform and soft, the quality of cigarettes is improved, the preparation device is simple in structure and low in cost, and the preparation method is simple and easy to implement and can meet the requirement of mass production.
Description
Technical Field
The invention belongs to the field of tobacco products, and particularly relates to an inner core suspended filter rod and a preparation device and method thereof.
Background
At present, with the continuous development of the tobacco industry, the demands of smokers on the increase of cognition, harm reduction and tar reduction and personalized novelty are also higher and higher. With respect to the filter sticks used for cigarettes, the hollow core filter stick has good novelty, and the coaxial core filter stick has the function of classifying and filtering smoke. However, the hollow filter stick has no filtering characteristic, and is generally required to be used in a combined mode, and meanwhile, the hollow filter stick generally has a cavity effect, so that the soft smoke feeling is low. The inner core and the outer core of the coaxial core filter stick are usually tightly wrapped, mainstream smoke is not fully mixed, and the smoke sense is inconsistent. In the preparation method, the hard inner core or the special-shaped inner core of the coaxial core filter stick is added in a small firmware mode, so that the production cost is high and the efficiency is low.
Disclosure of Invention
The invention mainly aims to provide an inner core suspended filter rod, a preparation device and a preparation method thereof, and the filter rod has the performance of classifying and filtering and mixing smoke while realizing novel appearance characteristics. The preparation device has simple structure, the preparation method is convenient and easy to implement, the production cost is low, and the product quality is stable and reliable.
Specifically, the inner core suspended filter rod comprises an outer core 1 and an inner core 2, a hollow area 3 is arranged between the outer core 1 and the inner core 2 in the filter rod at intervals, and the outer core 1 and the inner core 2 are fused at the position where the hollow area 3 is not arranged.
The invention also discloses a preparation device of the filter stick, which comprises a first fiber tow opening device, a second fiber tow opening device, an inner core steam curing device and an outer core steam curing device, wherein the first fiber tow opening device inputs first fibers into the inner core steam curing device to form an inner core, the second fiber tow opening device inputs second fibers into the outer core steam curing device to form an outer core, the preparation device also comprises an inner core positioning device 8, the inner core positioning device 8 is provided with a hollow inner core pipe, the inner core enters the outer core steam curing device through the inner core pipe, and when the inner core pipe enters and exits from the outer core steam curing device in a reciprocating manner, a hollow area is formed between the outer core and the inner core.
Further, the front part of the inner core positioning device 8 is provided with a venturi tube 9, the rear part of the inner core positioning device is provided with a hollow inner core tube, and the inner core enters the inner core tube through the venturi tube 9.
Further, the venturi tube 9 is connected with positive pressure air through an air pipe.
Further, the inner core steam solidifying device comprises a first wire catcher 12, an inner core steam solidifying section 11 and an inner core cooling section 10, wherein the first fiber enters the first wire catcher 12 and then enters the inner core steam solidifying section 11 and the inner core cooling section 10 for solidification and cooling respectively.
Further, the outer core steam curing device comprises a second fiber catcher 7 and an outer core forming device, and the second fiber enters the second fiber catcher 7 and then enters the outer core forming device to form an outer core.
Further, the outer core forming device comprises an outer core cooling section 5 and an outer core steam solidifying section 6, and a smoke gun is arranged behind the outer core cooling section 5.
Further, the outer core forming device comprises a cooling smoke gun section 13 and a steam smoke gun section 14.
The invention also discloses a preparation method of the filter stick, which comprises the following steps: the first fiber is subjected to opening and plasticizer application and then enters an inner core steam curing device, an inner core is formed after curing and cooling, and the inner core enters an outer core steam curing device through an inner core pipe of an inner core positioning device; the second fiber also enters an outer core steam curing device to form an outer core after being opened and the plasticizer is applied; the inner core tube of the inner core positioning device reciprocally enters and exits in the outer core steam curing device, so that a hollow space is formed between the outer core and the inner core; and cooling the inner core and the outer core forming the interval hollow area to obtain a finished filter rod, and cutting the finished filter rod to obtain the filter rod with the suspended inner core.
Further, when the first and second fibers are tow, shan Dan is in the range of 5.0 to 12den and the total denier is in the range of 10000 to 58000den.
The beneficial effects of the invention are as follows: the inner core suspended filter rod solves the problems of 'cavity effect' of the hollow filter rod and nonuniform smoke of the coaxial core, and the smoke is more uniform and softer, so that the sensory quality is optimized, and the quality of cigarettes is improved. The preparation device has simple structure and lower cost, and the preparation method is simple and easy to implement, and can meet the requirement of mass production. The shape of the inner core steam curing device and the shape of the inner core pipe of the inner core positioning device can be designed, so that different hollow inner core shapes are formed, and compared with a common coaxial core filter stick and an air core filter stick, the novel type of individuation is realized, and the brand image of cigarettes is improved. The fiber materials with different single denier and total denier can be used according to the requirements, and the equipment can be independently opened for molding, so that the different interception requirements of the inner core and the outer core are met.
Drawings
Figure 1 is a schematic axial cross-section of a filter rod of the present invention.
Figure 2 is a schematic axial cross-section of a cigarette assembled from filter rods according to the invention.
Fig. 3 is a schematic view of a filter rod forming method according to the present invention.
Fig. 4 is a diagram showing a second embodiment of the filter rod forming method of the present invention.
The index marks in the drawings are as follows: 1. an outer core; 2. an inner core; 3. a hollow area; 4. tobacco segments; 5. an outer core cooling section; 6. an outer core steam curing section; 7. a second thread catcher; 8. an inner core positioning device; 9. a venturi tube; 10. an inner core cooling section; 11. an inner core steam curing section; 12. a first thread catcher; 13. cooling the smoke gun section; 14. a steam smoke gun section.
Detailed Description
The invention is described in further detail below with reference to the examples and with reference to the accompanying drawings.
An embodiment of the invention aims to prepare an inner core suspended filter rod. As shown in fig. 1, the inner core suspended filter rod comprises an outer core 1, an inner core 2 and a hollow area 3, wherein the hollow area 3 is arranged between the outer core 1 and the inner core 2 in the filter rod at intervals, and the outer core 1 and the inner core 2 are fused at the part where the hollow area 3 is not arranged. The cigarette which is formed by connecting the filter tips which are formed by cutting the filter tip equal sections into sections is shown in figure 2, wherein the cigarette section 4 of the cigarette is connected with the cigarette near the filter tip, the inner core 2 is tightly wrapped by the outer core 1 of the cigarette near the section, the graded filtration of the smoke is realized, and the inner core 2 of the lip near section is kept in a suspended coaxial state. The filter has a novel appearance as seen from the near lip section of the filter, and the smoke passing through the near tobacco section can be collected in the hollow zone 3 and thoroughly mixed into the mouth of the smoker.
The preparation device of the inner core suspended filter rod comprises a first fiber tow opening device, a second fiber tow opening device, an inner core steam curing device, an outer core steam curing device and an inner core positioning device 8, wherein the inner core steam curing device comprises a first yarn capturing device 12, an inner core steam curing section 11 and an inner core cooling section 10, the outer core steam curing device comprises a second yarn capturing device 7 and an outer core forming device, a venturi tube 9 is arranged at the front part of the inner core positioning device 8, the rear part of the inner core positioning device is a hollow inner core tube, the inner core positioning device 8 repeatedly moves between the inner core steam curing device and the outer core steam curing device, when the inner core positioning device 8 moves towards the outer core steam curing device, an inner core tube at the rear part of the inner core positioning device 8 can enter the outer core forming device of the outer core steam curing device, and when the inner core positioning device 8 leaves the outer core steam curing device, the inner core tube at the rear part of the inner core positioning device 8 can retreat from the outer core forming device of the outer core steam curing device.
The first fiber tow opening device and the second fiber tow opening device are all existing equipment, and the components of the first fiber tow opening device and the second fiber tow opening device are shown in fig. 3 and 4, and each equipment comprises a first air opening S1, a second air opening S2, a third air opening S3, a pre-stretching roller PT, an output roller V1, an opening roller V2 and an input roller V3. The first fiber tow opening device opens and applies a plasticizing agent to first fibers, the first fibers enter a first yarn catcher 12 of the inner core steam curing device after opening and applying the plasticizing agent, and then enter an inner core steam curing section 11 and an inner core cooling section 10 to be respectively cured and cooled to form an inner core filter rod; the inner core filter strip enters the inner core pipe at the rear part of the inner core positioning device 8 through the venturi tube 9 at the front part of the inner core positioning device 8, and then enters the outer core forming device of the outer core steam curing device from the inner core pipe. The second fiber tow opening device opens and applies a plasticizing agent to second fibers, the second fibers enter the second yarn catcher 7 of the outer core steam curing device after opening and applying the plasticizing agent and then enter the outer core forming device to form an outer core, when an inner core pipe at the rear part of the inner core positioning device 8 enters the outer core forming device, the outer core is formed outside the inner core pipe to form a hollow area between the outer core and an inner core filter strip section in the inner core pipe, and when the inner core pipe at the rear part of the inner core positioning device 8 exits from the outer core forming device, the outer core is fused with the inner core filter strip section entering the outer core forming device from the inner core pipe.
The first and second fibers may be of the same type or of different types such that the shaped inner and outer cores have the same or different properties. When tows are used for the inner and outer core fibers, the single denier can range from 5.0 to 12den and the total denier can range from 10000 to 58000den. In order to maintain the hardness of the inner and outer cores, the plasticizer is generally glyceryl triacetate, and the application amount is 12-20% of the weight of the filter rod.
The sections of the inner core steam curing section 11 and the inner core cooling section 10 can be designed according to the needs, so that different section shapes of the inner core are realized, and the structural novelty of the end face of the cigarette is improved. The shape of the inner hole of the inner core tube at the rear part of the inner core positioning device 8 is similar to the shape of the inner core of the filter stick, the size of the inner core tube is larger than the size of the filter stick of the inner core, and the shape of the inner core tube determines the peripheral shape of the hollow area of the filter stick. The cold air used in the inner core cooling section 10 is cooled by blowing along the travelling direction of the inner core filter strips, the temperature range can be less than or equal to 6 ℃, and the pressure range can be 0.15+/-0.03 MPa.
The venturi tube 9 is connected with positive pressure gas through a gas tube, so that negative pressure is formed at the inlet to actively catch the inner core filter strip, and positive pressure gas in the tube can push the inner core filter strip to advance forward, so that friction with the tube wall is reduced. The positive pressure gas is low-temperature gas, so that the solidification of the inner core can be accelerated, the inner core filter strip is protected from fusion deformation in the outer core steam solidification device, and the centering stability of the inner core is also increased by the circulating gas. Preferably, the venturi positive pressure gas pressure can be 0.10+/-0.02 MPa, and the temperature range is between 8 and 12 ℃.
From the above disclosure, the key point of the above-mentioned device is that the hollow area is formed by the reciprocating motion of the inner core positioning device 8, that is, when the inner core tube of the inner core positioning device 8 enters the outer core forming device, the hollow area is formed between the inner core and the outer core, and the longer the inner core tube enters the outer core forming device, the longer the hollow area is formed; when the inner core pipe starts to leave the outer core forming device, the hollow area gradually disappears; when the inner core pipe is completely separated from the outer core forming device and is positioned outside the outer core forming device, an inner core and outer core fusion section is formed between the inner core and the outer core, and the inner core is fixed.
As shown in fig. 3, the outer core forming device comprises an outer core cooling section 5 and an outer core steam solidifying section 6, wherein the outer core steam solidifying section 6 is connected with a second wire catcher 7, an inner core pipe reciprocally enters the outer core steam solidifying section 6 to form a hollow area with intervals in an inner core and an outer core, and the inner core and the outer core are cooled by the outer core cooling section 5 after being mixed in the outer core steam solidifying section 6 to form a finished filter strip. And a smoke gun is arranged behind the outer core cooling section 5, and the finished filter rods are pulled into subsequent slitting equipment by a smoke gun cloth belt. And (3) cutting the finished filter rod to obtain a section of inner core suspended filter rod containing the interval hollow areas, wherein each section of inner core suspended filter rod can be cut into individual inner core suspended filter tips for receiving cigarettes. The cold air used by the outer core cooling section 5 is air-blown and cooled along the advancing direction of the finished filter rod, the temperature range can be less than or equal to 8 ℃, and the pressure range can be 0.15+/-0.03 MPa.
As shown in fig. 4, the outer core forming device may also have another implementation manner, namely, the outer core forming device directly comprises a cooling smoke pipe section 13 and a steam smoke pipe section 14, the steam smoke pipe section 14 is connected with the second wire catcher 7, the inner core pipe reciprocally enters into the steam smoke pipe section 14 to form a hollow area between the inner core and the outer core, and the inner core and the outer core are cooled by the cooling smoke pipe section 13 after being mixed by the steam smoke pipe section 14 to form a finished filter rod. The finished filter rods are directly drawn into the subsequent slitting device by the cooling smoke gun segment 13. And (3) cutting the finished filter rod to obtain a section of inner core suspended filter rod containing the interval hollow areas, wherein each section of inner core suspended filter rod can be cut into individual inner core suspended filter tips for receiving cigarettes. The cold air used for cooling the smoke gun section 13 is blown and cooled along the travelling direction of the finished filter rod, the temperature range can be less than or equal to 8 ℃, and the pressure range can be 0.20+/-0.03 MPa.
Therefore, the preparation method of the inner core suspended filter rod corresponding to the preparation device of fig. 3 comprises the following steps: the first fiber is opened by a first fiber tow opening device, the plasticizer is applied and then enters a first yarn catcher 12, an inner core filter strip is formed after passing through an inner core steam curing section 11 and an inner core cooling section 10, and the inner core filter strip enters an outer core steam curing section 6 in a reciprocating inner core pipe through a venturi tube 9; at the moment, the second fibers are opened by a second fiber tow opening device, and then enter a second fiber catcher 7 after being applied with plasticizer, and then enter an outer core steam curing section 6; under the action of the inner core tube which reciprocates, a hollow area is formed between the inner core tube and the outer core tube; the inner core and the outer core are mixed in the outer core steam solidifying section 6 and then cooled by the outer core cooling section 5 to form a finished filter rod, and the finished filter rod is pulled by a smoke gun and cut into an inner core suspension filter rod by a cutter head.
The preparation method of the inner core suspended filter rod corresponding to the preparation device of fig. 4 comprises the following steps: the first fiber is opened by a first fiber tow opening device, the first fiber enters a first yarn catcher 12 after being applied with a plasticizing agent, an inner core filter strip is formed after passing through an inner core steam curing section 11 and an inner core cooling section 10, and the inner core filter strip enters a steam smoke gun section 14 in a reciprocating inner core pipe through a venturi tube 9; at the moment, the second fibers are opened by a second fiber tow opening device, and then enter the second fiber catcher 7 after being applied with plasticizer, and then enter the steam smoke gun section 14; under the action of the inner core tube which reciprocates, a hollow area is formed between the inner core tube and the outer core tube; the inner core and the outer core are mixed in the steam smoke gun section 14 and then are cooled by the cooling smoke gun section 13 to form a finished filter rod, and the finished filter rod is directly pulled by the cooling smoke gun section 13 and is cut into an inner core suspended filter rod by a cutter head.
While the application has been disclosed in terms of preferred embodiments, the embodiments are not intended to limit the application. The terms upper, lower, left, right, and the like in the embodiment are used only to indicate relative relationships. Any equivalent changes or modifications can be made without departing from the spirit and scope of the present application, and are intended to be within the scope of the present application. The scope of the application should therefore be determined by the following claims.
Claims (9)
1. The preparation device of the inner core suspended filter rod is used for preparing the inner core suspended filter rod and is characterized by comprising an outer core (1) and an inner core (2), wherein a hollow area (3) is arranged between the outer core (1) and the inner core (2) in the filter rod at intervals, and the outer core (1) and the inner core (2) are fused at the position where the hollow area (3) is not arranged;
The preparation facilities of unsettled filter rod of inner core includes first fibre silk bundle opening device, second fibre silk bundle opening device, inner core steam curing device and outer core steam curing device, first fibre silk bundle opening device is with first fibre input inner core steam curing device formation inner core, second fibre silk bundle opening device is with second fibre input outer core steam curing device formation outer core, its characterized in that: the inner core steam curing device is characterized by further comprising an inner core positioning device (8), wherein the inner core positioning device (8) is provided with a hollow inner core pipe, the inner core enters the outer core steam curing device through the inner core pipe, and when the inner core pipe reciprocally enters and exits in the outer core steam curing device, an interval hollow area is formed between the outer core and the inner core.
2. The preparation device of the suspended filter rod with the inner core according to claim 1, wherein the venturi tube (9) is arranged at the front part of the inner core positioning device (8), the inner core tube is hollow at the rear part, and the inner core enters the inner core tube through the venturi tube (9).
3. The device for preparing the suspended filter rod with the inner core according to claim 2, wherein the venturi tube (9) is connected with positive pressure air through an air pipe.
4. The preparation device of the suspended filter rod with the inner core according to claim 1, wherein the inner core steam solidifying device comprises a first wire catcher (12), an inner core steam solidifying section (11) and an inner core cooling section (10), and the first fiber enters the first wire catcher (12) and then enters the inner core steam solidifying section (11) and the inner core cooling section (10) for solidification and cooling respectively.
5. The preparation device of the inner core suspended filter rod according to claim 1, wherein the outer core steam curing device comprises a second fiber catcher (7) and an outer core forming device, and the second fiber enters the second fiber catcher (7) and then enters the outer core forming device to form an outer core.
6. The device for preparing the suspended filter rod with the inner core according to claim 5, wherein the outer core forming device comprises an outer core cooling section (5) and an outer core steam solidifying section (6), and a smoke gun is arranged behind the outer core cooling section (5).
7. The apparatus for preparing the suspended filter rod of the inner core according to claim 5, wherein the outer core forming device comprises a cooling smoke gun section (13) and a steam smoke gun section (14).
8. A preparation method of an inner core suspended filter stick is characterized by comprising the following steps: the first fiber is subjected to opening and plasticizer application and then enters an inner core steam curing device, an inner core is formed after curing and cooling, and the inner core enters an outer core steam curing device through an inner core pipe of an inner core positioning device; the second fiber also enters an outer core steam curing device to form an outer core after being opened and the plasticizer is applied; the inner core tube of the inner core positioning device reciprocally enters and exits in the outer core steam curing device, so that a hollow space is formed between the outer core and the inner core; and cooling the inner core and the outer core forming the interval hollow area to obtain a finished filter rod, and cutting the finished filter rod to obtain the filter rod with the suspended inner core.
9. The method of making a suspended core filter rod of claim 8, wherein, when tows are used for the first and second fibers, shan Dan is in the range of 5.0-12den and the total denier is in the range of 10000-58000den.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111008777.9A CN113712253B (en) | 2021-08-31 | 2021-08-31 | Filter rod with suspended inner core and preparation device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111008777.9A CN113712253B (en) | 2021-08-31 | 2021-08-31 | Filter rod with suspended inner core and preparation device and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113712253A CN113712253A (en) | 2021-11-30 |
| CN113712253B true CN113712253B (en) | 2024-09-17 |
Family
ID=78679414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111008777.9A Active CN113712253B (en) | 2021-08-31 | 2021-08-31 | Filter rod with suspended inner core and preparation device and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113712253B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113598409B (en) * | 2021-08-31 | 2024-09-24 | 南通烟滤嘴有限责任公司 | Filter tip with suspended inner core and cigarette |
| CN114831339A (en) * | 2022-03-31 | 2022-08-02 | 常德芙蓉大亚化纤有限公司 | Special-shaped coaxial core cigarette filter rod without wrapping paper and forming method thereof |
| WO2025011016A1 (en) * | 2023-07-10 | 2025-01-16 | 湖北金叶玉阳化纤有限公司 | Production apparatus and process for venturi cooling filter stick |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203943067U (en) * | 2014-06-18 | 2014-11-19 | 川渝中烟工业有限责任公司 | Inner core furrowfilter rod |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1435255A (en) * | 1973-08-27 | 1976-05-12 | Liggett & Myers Inc | Filter rods for cigarettes |
| JP2002095462A (en) * | 2000-09-25 | 2002-04-02 | Shinwa Kohatsu Kk | Cigarette air hole/smoke backflow stop filter |
| DE102007026979A1 (en) * | 2006-10-06 | 2008-04-10 | Friedrich Siller | inhalator |
| US7790284B2 (en) * | 2008-09-24 | 2010-09-07 | Davies Robert M | Flexible composite prepreg materials |
| CN201400394Y (en) * | 2009-04-28 | 2010-02-10 | 沈旭超 | Cigarette |
| CN102166041B (en) * | 2011-05-25 | 2013-05-01 | 四川三联卷烟材料有限公司 | Device for manufacturing hollow filter stick |
| KR101147679B1 (en) * | 2011-10-11 | 2012-05-22 | 현대필터산업주식회사 | Manufacturing method of composite filter for cigarette using non wrapped saw filter and mono filter |
| CN102524954A (en) * | 2012-01-16 | 2012-07-04 | 湖南中烟工业有限责任公司 | Concentric filtering bar formed by mixing tow and paper as well as preparation and application methods thereof |
| US20130220349A1 (en) * | 2012-02-23 | 2013-08-29 | Celanese Acetate Llc | Deformable tablet with water triggered catalyst release |
| CN202722485U (en) * | 2012-07-13 | 2013-02-13 | 湖北中烟工业有限责任公司 | Cigarette filter tip |
| RU2768359C2 (en) * | 2012-08-06 | 2022-03-23 | Филип Моррис Продактс С.А. | Smoking product with mouthpiece cavity |
| JP5877570B2 (en) * | 2012-11-26 | 2016-03-08 | 日本たばこ産業株式会社 | Filter cigarette manufacturing method, filter and filter cigarette |
| GB201420733D0 (en) * | 2014-11-21 | 2015-01-07 | British American Tobacco Co | Apparatus and method for filter manufacture |
| GB201501527D0 (en) * | 2015-01-30 | 2015-03-18 | British American Tobacco Co | Apparatus and method for filter manufacture |
| GB201608815D0 (en) * | 2016-05-19 | 2016-07-06 | British American Tobacco Co | Filter rod and apparatus and method |
| KR102024269B1 (en) * | 2017-08-14 | 2019-09-23 | 김경 | Hollow case forming apparatus using composite fiber fabric having gap shielding structure |
| CN110353303A (en) * | 2018-04-09 | 2019-10-22 | 上海烟草集团有限责任公司 | A kind of special-shaped coaxial core filter stick and preparation method thereof |
| CN108477673A (en) * | 2018-04-30 | 2018-09-04 | 南通烟滤嘴有限责任公司 | Former and its operation process without paper bag coaxial core filter stick |
| CN113038846A (en) * | 2018-11-14 | 2021-06-25 | 日本烟草产业株式会社 | Non-combustion heating smoking article and non-combustion heating smoking system |
| CN210929601U (en) * | 2019-07-23 | 2020-07-07 | 武汉市昱宸峰科技有限公司 | Forming device of hollow filter tip |
| KR102393804B1 (en) * | 2019-12-19 | 2022-05-03 | 주식회사 케이티앤지 | A manufacturing apparatus for a tube filter and manufacturing method for the tube filter |
| CN111329107A (en) * | 2020-03-13 | 2020-06-26 | 南通烟滤嘴有限责任公司 | Filter stick without wrapping paper and with continuous closed cavity, forming equipment and forming process |
| CN111280478B (en) * | 2020-03-25 | 2024-11-08 | 南通烟滤嘴有限责任公司 | A cavity forming and particle applying device |
| CN112089094A (en) * | 2020-09-25 | 2020-12-18 | 南通金源新材料有限公司 | Cavity type heating cigarette with multi-concave arc hollow filter stick |
-
2021
- 2021-08-31 CN CN202111008777.9A patent/CN113712253B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203943067U (en) * | 2014-06-18 | 2014-11-19 | 川渝中烟工业有限责任公司 | Inner core furrowfilter rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113712253A (en) | 2021-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113712253B (en) | Filter rod with suspended inner core and preparation device and method thereof | |
| US4291711A (en) | Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same | |
| US4355995A (en) | Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same | |
| CN110881685B (en) | A kind of drawing type preparation equipment and preparation method of hollow filter rod | |
| CA1127494A (en) | Filter manufacturing technique | |
| JPH0416151B2 (en) | ||
| US3079930A (en) | Process and apparatus for manufacturing filters | |
| DE2944981A1 (en) | MANUFACTURING METHOD FOR ROD-SHAPED FIBER BUNCH ELEMENTS | |
| CN109463797B (en) | Forming process of wrapping-paper-free filter stick | |
| CN111436650A (en) | Preparation method of hollow cooling filter stick | |
| CN106942788B (en) | Composite filter stick containing through type conical cavity structure and manufacturing method thereof | |
| US5203757A (en) | Method and apparatus for producing tobacco smoke filter rods | |
| EP0018188B1 (en) | A tobacco smoke filter plug and a method of producing the same | |
| CA1324940C (en) | Method and apparatus for producing tobacco-smoke-filter rods | |
| KR100714525B1 (en) | Manufacturing apparatus for plug of cigarette filter and manufacturing method for the filter | |
| CN211861785U (en) | Drawing type preparation equipment for hollow filter stick | |
| CN204861145U (en) | Cavity abnormal shape perfuming filter rod | |
| CN212574122U (en) | Hollow cooling composite filter rod | |
| CN212393846U (en) | Composite filter stick | |
| CN113826945A (en) | Method for manufacturing one-step forming blind hole bead blasting filter stick | |
| CN210329325U (en) | A composite filter rod for cigarettes containing PE material | |
| CN218666519U (en) | Device for reducing quality problem of rubber holes of cigarette filter sticks | |
| CN114027553B (en) | PLA hollow tube composite filter tip rod | |
| CN217885069U (en) | Reducing coaxial hollow filter rod section | |
| CN220458586U (en) | A kind of production equipment for venturi cooling filter rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |