CN111920091B - Humidifying filter stick and preparation method thereof - Google Patents
Humidifying filter stick and preparation method thereof Download PDFInfo
- Publication number
- CN111920091B CN111920091B CN202010958754.3A CN202010958754A CN111920091B CN 111920091 B CN111920091 B CN 111920091B CN 202010958754 A CN202010958754 A CN 202010958754A CN 111920091 B CN111920091 B CN 111920091B
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- humidifying
- water storage
- filter stick
- pipe
- hole
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- 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
- A24D3/0229—Filter rod forming processes
-
- 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
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- 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
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention discloses a humidifying filter stick and a preparation method thereof, wherein the humidifying filter stick comprises a filter stick body and a humidifying pipe, and the humidifying pipe is embedded in the filter stick body; the humidifying unit comprises a water storage hole and a hole sealing film, water used for humidifying is stored in the water storage hole, the hole sealing film is used for sealing an opening of the water storage hole so as to seal water in the water storage hole, and the hole sealing film is made of a phase change material so as to release the water in the water storage hole when the temperature of the humidifying filter rod rises to a suction temperature. The humidifying filter stick disclosed by the invention can automatically release water sealed in the humidifying unit after the cigarette is ignited, can continuously realize the humidifying function for a long time, and is favorable for reducing the smoking and drying feeling.
Description
Technical Field
The invention relates to the field of cigarette manufacturing, in particular to a humidifying filter stick and a preparation method thereof.
Background
The cigarette can generate dry feeling along with the rise of the smoke temperature in the smoking process, and the smoking experience is influenced.
The existing filter stick humidifying technology mainly comprises the step of adding blasting beads in a filter stick. The cigarette prepared by the filter stick humidifying process needs to apply external force to the popping beads during smoking, so that the humidifying function can be realized only after the popping beads are broken, and the inconvenience of smoking the cigarette is increased. Moreover, the cigarette prepared by the filter stick humidifying process can only reduce the smoking and drying feeling in a short time after the bead blasting is broken, and cannot continuously reduce the smoking and drying feeling for a long time, so that the smoking experience is influenced.
Therefore, how to provide a filter stick which is convenient to suck and can be continuously humidified for a long time becomes a technical problem to be solved in the field.
Disclosure of Invention
The invention aims to provide a novel technical scheme of a humidifying filter stick which is convenient to suck and can be used for humidifying for a long time.
According to a first aspect of the invention there is provided a moisturised filter rod.
The humidifying filter stick comprises a filter stick body and a humidifying pipe, wherein the humidifying pipe is embedded in the filter stick body; wherein the content of the first and second substances,
the humidifying device is characterized in that a plurality of humidifying units are arranged on the outer wall and the inner wall of the humidifying pipe respectively, each humidifying unit comprises a water storage hole and a hole sealing film, water used for humidifying is stored in each water storage hole, each hole sealing film is used for sealing an opening of each water storage hole so as to seal water in each water storage hole, and each hole sealing film is made of a phase change material so as to release the water in each water storage hole when the temperature of each humidifying filter stick rises to a suction temperature.
Optionally, the distance between the humidifying pipe and the end face, close to the tobacco shred, of the filter stick body is 5% -10% of the length of the filter stick body, and the distance between the humidifying pipe and the end face, far away from the tobacco shred, of the filter stick body is smaller than the distance between the humidifying pipe and the end face, close to the tobacco shred, of the filter stick body.
Optionally, the aperture of the water storage hole of the humidifying unit located on the outer wall of the humidifying pipe is gradually reduced from the end face of the filter stick body adjacent to the tobacco shred to the end face far away from the tobacco shred.
Optionally, the distance between the water storage holes of the adjacent humidifying units on the outer wall of the humidifying pipe gradually increases from the end face of the filter stick body, which is close to the tobacco shred, to the end face, which is far away from the tobacco shred.
Optionally, the humidifying units on the outer wall of the humidifying pipe are radially arranged along the direction from the end face of the filter stick body adjacent to the tobacco shred to the end face far away from the tobacco shred.
Optionally, the diameter of the water storage hole of the humidification unit on the inner wall of the humidification tube is smaller than the diameter of the water storage hole of the humidification unit on the outer wall of the humidification tube.
Optionally, the water storage holes of the humidifying unit on the inner wall of the humidifying pipe are uniformly distributed.
Optionally, the opening of the water storage hole is the smallest part of the aperture of the water storage hole.
Optionally, the water storage hole is a tapered hole.
According to a second aspect of the invention, there is provided a method of making a humidified filter rod of the present disclosure.
The preparation method of the humidifying filter stick comprises the following steps:
filling the raw materials into a forming sleeve to prepare a water storage pipe, wherein the wall surface of the forming sleeve is provided with a bulge so as to form water storage holes on the inner wall surface and the outer wall surface of the water storage pipe;
performing water injection operation on the water storage pipe;
sealing the water storage holes of the water storage pipe after water injection to obtain a humidifying pipe;
and (4) drawing the humidifying pipe along the moving direction of the tow, and molding by taking the humidifying pipe as the center to obtain the humidifying filter stick.
The humidifying filter stick disclosed by the invention can automatically release water sealed in the humidifying unit after the cigarette is ignited, can continuously realize the humidifying function for a long time, and is favorable for reducing the smoking and drying feeling.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Figure 1 is a schematic structural view of an embodiment of a moisturizing filter stick of the present disclosure.
The figures are labeled as follows:
a filter stick body-1, a humidifying pipe-2 and a humidifying unit-20.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
As shown in fig. 1, the moisturizing filter stick of the present disclosure comprises a filter stick body 1 and a moisturizing tube 2. The humidifying pipe 2 is embedded in the filter stick body 1. The plug body 1 may have a plug construction as is well known in the art, for example a plug construction consisting of tow and plug wrap. The humidifying pipe 2 may have a diameter of 1mm to 4 mm.
A plurality of humidifying units 20 are provided on both the outer wall and the inner wall of the humidifying pipe 2. The humidifying unit 20 includes a water storage hole and a hole sealing film. The water storage hole is used for storing water for humidification. The water storage hole may have a cylindrical shape or a tapered shape. The hole sealing film is used for sealing the opening of the water storage hole so as to seal water in the water storage hole. The hole sealing film is made of a phase change material so as to release water in the water storage hole when the temperature of the humidifying filter stick rises to the suction temperature. When the temperature of the humidifying pipe rises to the suction temperature, the hole sealing film can be changed from a solid phase to a liquid phase, so that the water storage hole is opened, water in the water storage hole can be released under the heating of smoke, and the dry feeling of suction is reduced. The smoking temperature refers to the lowest temperature of smoke generated after the cigarette is ignited. The phase-change temperature of the phase-change material can be 40-50 ℃. In particular implementations, the phase change material may include polyethylene glycol, higher fatty acids, gelatin, and guar gum.
Because the humidifying units 20 are arranged on the outer wall and the inner wall of the humidifying pipe 2, water molecules can be released in the axial direction and the radial direction of the humidifying pipe 2, and the suction drying feeling can be effectively reduced. In addition, the humidifying pipe 2 with the axial through hole is also beneficial to reducing the suction resistance of the filter stick.
The humidifying filter stick disclosed by the invention can automatically release the water sealed in the humidifying unit 20 after the cigarette is ignited, can continuously realize the humidifying function for a long time, and is favorable for reducing the smoking and drying feeling.
In one embodiment of the humidified filter stick of the present disclosure, in order to avoid direct contact of the combusted tobacco shreds with the humidifying pipe 2, the distance between the humidifying pipe 2 and the end surface of the filter stick body 1 adjacent to the tobacco shreds is 5% -10% of the length of the filter stick body 1. The distance between the humidifying pipe 2 and the end face of the filter stick body 1 adjacent to the tobacco shreds refers to the distance between the end of the humidifying pipe 2 adjacent to the tobacco shreds and the end face of the filter stick body 1 adjacent to the tobacco shreds. The distance between the humidifying pipe 2 and the end face of the filter stick body 1 far away from the tobacco shred is smaller than the distance between the humidifying pipe 2 and the end face of the filter stick body 1 near the tobacco shred. The distance between the humidifying pipe 2 and the end face of the filter stick body 1 far away from the tobacco shred refers to the distance between the near lip end of the humidifying pipe 2 and the end face of the filter stick body 1 far away from the tobacco shred. The distance between the humidifying pipe 2 and the end face of the filter stick body 1 far away from the tobacco shreds can be as small as 0.
In one embodiment of the humidifying filter stick of the present disclosure, the pore size of the water storage hole of the humidifying unit 20 located on the outer wall of the humidifying pipe 2 gradually decreases from the end face of the filter stick body 1 adjacent to the tobacco shred to the end face away from the tobacco shred. According to the characteristics that the smoke temperature near the tobacco shred end of the humidifying pipe 2 is higher and the smoke temperature near the lip end is lower, the aperture of the water storage hole is designed to be gradually reduced from the end face, close to the tobacco shred, of the filter stick body 1 to the end face far away from the tobacco shred, and the smoking and drying feeling is favorably and effectively reduced.
Further, the distance between the water storage holes of the adjacent humidifying units 20 on the outer wall of the humidifying pipe 2 gradually increases from the end face of the filter stick body 1 adjacent to the tobacco shred to the end face far away from the tobacco shred. The distance between the water storage holes of the adjacent humidification cells 20 refers to the distance between the edges of the adjacent water storage holes along the line connecting the geometric centers of the adjacent water storage holes.
The direction of the water storage hole of the humidifying unit 20 from the end face of the filter stick body 1 close to the tobacco shred to the end face far away from the tobacco shred is changed from large to small and is sparse, so that the humidifying filter stick is beneficial to more uniformly releasing water molecules along with the reduction of the smoke temperature from the end close to the tobacco shred to the end close to the lip of the humidifying pipe 2, and the suction drying feeling is more effectively reduced.
Further, in order to release water molecules more uniformly, the humidifying units 20 on the outer wall of the humidifying pipe 2 are arranged radially along the direction from the end face of the filter stick body 1 adjacent to the tobacco shred to the end face far away from the tobacco shred.
Since the humidifying pipe 2 is surrounded by the filter stick body 1, the speed of water released by the humidifying unit 20 on the inner wall of the humidifying pipe 2 reaching the oral cavity is greater than the speed of water released by the humidifying unit 20 on the outer wall of the humidifying pipe 2 reaching the oral cavity. In one embodiment of the humidifying filter stick of the present disclosure, in order to achieve better suction experience, the aperture of the water storage hole of the humidifying unit 20 located on the inner wall of the humidifying pipe 2 is set smaller than the aperture of the water storage hole of the humidifying unit 20 located on the outer wall of the humidifying pipe 2, which is beneficial to balance the amount of water molecules released by the humidifying unit 20 on the inner wall of the humidifying pipe 2 with the amount of water molecules released by the humidifying unit 20 on the outer wall of the humidifying pipe 2.
Further, in order to reduce the production cost, the water storage holes of the humidifying unit 20 located on the inner wall of the humidifying pipe 2 are uniformly distributed.
In one embodiment of the moisturizing filter stick of the present disclosure, the opening of the water storage hole is the smallest of the pore size of the water storage hole. That is, the minimum inner diameter of the water storage hole is the opening of the water storage hole. This arrangement is advantageous in increasing the humidification time period of the humidifying pipe 2.
Furthermore, the water storage hole is a conical hole.
The disclosure also provides a preparation method of the humidifying filter stick.
The preparation method of the humidifying filter stick comprises the following steps:
step (1): and filling the raw materials into a forming sleeve to obtain the water storage pipe. The wall surface of the forming sleeve is provided with a bulge so as to form a water storage hole on the inner wall surface and the outer wall surface of the water storage pipe. The water storage hole is the water storage hole of the humidifying unit 20 of the humidifying pipe 2 of the humidifying filter stick disclosed by the invention. The raw material is used for preparing the humidifying pipe 2, and may be plastic, for example.
The bulge on the wall surface of the forming sleeve can form a water storage hole on the humidifying pipe. The forming sleeve can be made of flexible materials such as silica gel and the like so as to be more convenient to separate the forming sleeve from the water storage pipe. After the water storage pipe is formed, the forming sleeve can be separated from the water storage pipe.
Step (2): and carrying out water injection operation on the water storage pipe. Generally, a water storage pipe is immersed in water and water is pressurized to inject water into a water hole of the water storage pipe.
And (3): and sealing the water storage holes of the water storage pipe after water injection to obtain the humidifying pipe. The opening of the water storage hole after the hole sealing treatment is sealed by the hole sealing film. When the water storage device is implemented specifically, the water storage pipe can be soaked in the liquid phase-change material, and the phase-change material is taken out and changed into a solid state, so that the opening of the water storage hole can be closed.
And (4): the humidifying pipe is pulled along the moving direction of the tows. And forming to obtain the humidified filter stick by taking the humidifying pipe as the center. Typically, the central axis of the humidifying pipe may coincide with the central axis of the humidifying filter rod.
The preparation method of the humidifying filter stick can quickly and efficiently prepare the humidifying filter stick, and is beneficial to realizing mass production.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. A humidifying filter stick is characterized by comprising a filter stick body and a humidifying pipe, wherein the humidifying pipe is embedded in the filter stick body; wherein the content of the first and second substances,
the humidifying device comprises a humidifying pipe, a water storage hole, a hole sealing film and a phase change material, wherein the humidifying unit is arranged on the outer wall and the inner wall of the humidifying pipe and comprises a water storage hole and a hole sealing film, water for humidifying is stored in the water storage hole, the hole sealing film is used for sealing an opening of the water storage hole so as to seal water in the water storage hole, and the hole sealing film is made of the phase change material so as to release the water in the water storage hole when the temperature of the humidifying filter stick rises to a suction temperature;
the preparation method of the humidifying filter stick comprises the following steps:
filling the raw materials into a forming sleeve to prepare a water storage pipe, wherein the wall surface of the forming sleeve is provided with a bulge so as to form water storage holes on the inner wall surface and the outer wall surface of the water storage pipe;
performing water injection operation on the water storage pipe;
sealing the water storage holes of the water storage pipe after water injection to obtain a humidifying pipe;
and (4) drawing the humidifying pipe along the moving direction of the tow, and molding by taking the humidifying pipe as the center to obtain the humidifying filter stick.
2. The humidifying filter stick according to claim 1, wherein the distance between the humidifying pipe and the end surface of the filter stick body adjacent to the tobacco shred is 5% -10% of the length of the filter stick body, and the distance between the humidifying pipe and the end surface of the filter stick body far away from the tobacco shred is smaller than the distance between the humidifying pipe and the end surface of the filter stick body adjacent to the tobacco shred.
3. The humidifying filter stick according to claim 1, wherein the pore size of the water storage hole of the humidifying unit on the outer wall of the humidifying pipe is gradually reduced from the end face of the filter stick body adjacent to the tobacco shred to the end face far away from the tobacco shred.
4. The humidifying filter stick according to claim 3, wherein the distance between the water storage holes of adjacent humidifying units on the outer wall of the humidifying pipe gradually increases from the end face of the filter stick body adjacent to the tobacco shred to the end face away from the tobacco shred.
5. The humidifying filter stick according to claim 3, wherein the humidifying units on the outer wall of the humidifying pipe are radially arranged along the direction from the end face of the filter stick body adjacent to the tobacco shred to the end face far away from the tobacco shred.
6. The humidifying filter stick according to claim 1, wherein the pore size of the water storage hole of the humidifying unit on the inner wall of the humidifying pipe is smaller than the pore size of the water storage hole of the humidifying unit on the outer wall of the humidifying pipe.
7. The humidifying filter stick of claim 6, wherein the water storage holes of the humidifying unit located on the inner wall of the humidifying pipe are evenly distributed.
8. The humidifying filter rod according to any one of claims 1 to 7, wherein the opening of the water storage hole is the smallest of the pore diameters of the water storage hole.
9. The humidifying filter rod according to claim 8, wherein the water storage hole is a tapered hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010958754.3A CN111920091B (en) | 2020-09-14 | 2020-09-14 | Humidifying filter stick and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010958754.3A CN111920091B (en) | 2020-09-14 | 2020-09-14 | Humidifying filter stick and preparation method thereof |
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| CN111920091A CN111920091A (en) | 2020-11-13 |
| CN111920091B true CN111920091B (en) | 2022-05-24 |
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