CN210538875U

CN210538875U - Filter and smoking article

Info

Publication number: CN210538875U
Application number: CN201920183562.2U
Authority: CN
Inventors: 占木金
Original assignee: Fujian Lvse Huangjin Biotechnology Co ltd
Current assignee: Fujian Lvse Huangjin Biotechnology Co ltd
Priority date: 2019-02-01
Filing date: 2019-02-01
Publication date: 2020-05-19
Anticipated expiration: 2029-02-01

Abstract

The utility model belongs to the technical field of the filtration of tobacco products, especially, relate to a filter tip and tobacco products. The filter tip comprises a coating layer and a filtering section, wherein the coating layer is of a cylindrical structure, a cavity is formed in the cylindrical structure, the filtering section is arranged in the cavity and is abutted against the inner wall of the cavity, and the filtering section comprises a corn bract filtering element. The filter tip is provided with a filtering section which takes the corn bract filtering element as a main body, and the corn bract has large specific surface area and contains a large amount of cellulose, so that harmful substances such as tar, nicotine and the like can be effectively filtered and intercepted. In addition, the filter segment is abutted to the inner wall of the cavity, so that a gap is prevented from being formed between the filter segment and the inner wall of the cavity, and smoke is prevented from entering the oral cavity of a human body without being filtered. The flavonoids in the corn bracts have strong free radical and antioxidant effects, so that the variation caused by tar compounds can be prevented, and cancers can be prevented.

Description

Filter and smoking article

Technical Field

The utility model belongs to the technical field of the filtration of tobacco products, especially, relate to a filter tip and tobacco products.

Background

With the enhancement of health consciousness of people, tar reduction and harm reduction of cigarettes become the research trend and key points of the cigarette industry and are also difficult problems of the cigarette industry, and the design and production of effective various cigarette filters are one of the means adopted for tar reduction and harm reduction.

Traditional filter tip only contains thermal-insulated section, and thermal-insulated section can't carry out effectual filtration to harmful substance such as tar that the pipe tobacco burning produced, and then leads to these harmful substance still to enter into the human body of sucking person, causes harm to the healthy of sucking person, even triggers cancer.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: aiming at the technical defect that the existing filter tip cannot filter tar generated by burning tobacco shreds and further causes harm to the health of a smoker, the filter tip and a cigarette product are provided.

In order to solve the technical problem, the embodiment of the utility model provides a filter tip, including coating and filter segment, the coating is the tubular structure, be formed with the cavity in the tubular structure, the filter segment sets up in the cavity and with the inner wall butt of cavity, the filter segment includes corn bract filter element.

Optionally, the corn bract filter element comprises a plurality of corn bract layers, and the plurality of corn bract layers are stacked in the radial direction of the cylindrical structure.

Optionally, the corn bract layer comprises a body, a convex part and a concave part, the convex part and the concave part are connected with the body, the convex part is bent from the body to the axis of the cylindrical structure, and the concave part is bent from the body to the coating layer.

Optionally, the corn bract filter element comprises a plurality of corn bract layers, and the plurality of corn bract layers are stacked in the axial direction of the cylindrical structure.

Optionally, the corn bract filter element comprises corn bract filaments, the corn bract filaments are provided in plurality, and the plurality of corn bract filaments are stacked.

Optionally, the filter tip further comprises a heat insulation section disposed in the cavity, and the heat insulation section and the filter section are arranged in sequence in the axial direction of the cylindrical structure.

Optionally, the cylindrical structure has a smoke-near end and a smoke-near end which are arranged oppositely, the smoke-near end and the smoke-near end are both communicated with the cavity, and the distance from the heat insulation section to the smoke-near end is smaller than the distance from the filter section to the smoke-near end.

Optionally, there are two of the insulation sections, and the filter section is disposed between the two insulation sections.

Optionally, the coating includes first shaping ply and second shaping ply, first shaping ply with the connection can be dismantled on second shaping ply, second shaping ply cladding is in first shaping ply's periphery, first shaping ply's hardness is greater than second shaping ply's hardness.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

the embodiment of the utility model provides a filter tip has set up the filter segment that uses corn bract filter element as the main part, and corn bract's specific surface area is big and contain a large amount of cellulose, consequently can carry out effectual filtration and hold back harmful substance such as tar, nicotine. In addition, the filter segment is abutted to the inner wall of the cavity, so that a gap is prevented from being formed between the filter segment and the inner wall of the cavity, and smoke is prevented from entering the oral cavity of a human body without being filtered.

The flavonoids in the corn bracts have strong free radicals and antioxidant effects, so that variation caused by tar compounds can be prevented, cancers can be prevented, harmful substances generated by tobacco shred combustion can be effectively filtered and intercepted by the filter tip, and the harm of the tobacco shred combustion to a smoker is reduced. Moreover, flavonoids are high-quality natural antibiotics, and have the effects of sterilizing and diminishing inflammation on respiratory systems and oral tissues. Finally, the corn bract leaves also contain a certain amount of xylitol, dietary fiber and trace elements, so that the taste of the smoking tobacco product can be improved, and a certain health-care effect is achieved. In addition, the corn bract belongs to agricultural waste, and the filter tip is provided with a filtering section which takes the corn bract filtering element as a main body, thereby being economical and practical.

The utility model also provides a smoking product, including the cigarette body and foretell filter tip, the coating cladding is at least partly the cigarette body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is a schematic view of a smoking article provided by an embodiment of the present invention;

figure 2 is a cross-sectional view of the smoking article shown in figure 1;

figure 3 is a schematic view of a filter of the smoking article shown in figure 1;

figure 4 is a cross-sectional view of a filter of the smoking article shown in figure 1;

figure 5 is a cross-sectional view of a filter according to another embodiment of the present invention.

The reference numerals in the specification are as follows:

10. a smoking article;

1. a body of tobacco; 11. tobacco shreds; 12. cigarette paper;

2. a filter tip; 21. a coating layer; 211. a cavity; 212. a smoke-proximal end; 213. a proximal end; 214. a first formed paper layer; 215. a second formed paper layer; 22. a filtration section; 221. a corn leaf layer; 2211. a body; 2212. a boss portion; 2213. a recessed portion; 222. a void; 23. a first sponge body; 24. a second sponge body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides a smoking article 10, as shown in figure 1 and figure 2, including cigarette body 1 and filter 2, filter 2 is cylindrical structure and coaxial setting with cigarette body 1, and cigarette body 1 includes pipe tobacco 11 and cigarette paper 12, and cigarette paper 12 cladding pipe tobacco 11 is in order being cylindricly, and filter 2 includes filter segment 22 and coating 21, and coating 21 can wrap up at least partial structure of cigarette body 1 to connect cigarette body 1 and filter 2. Specifically, the coating 21 coats one end of the tobacco body 1 near the filter 2.

The utility model discloses tobacco product 10, can be traditional cigarette, can be the cigarette bullet of putting into the electron smoking set, also can be other kinds of tobacco product. That is, the embodiment of the present invention provides a filter 2 suitable for both conventional smoking articles and cartridges and other types of smoking articles 10.

As shown in fig. 1, 2 and 4, the coating layer 21 is connected end to form a cylindrical structure, a cavity 211 is formed in the cylindrical structure, the coating layer 21 has a smoke-near end 212 and a smoke-near end 213 which are oppositely arranged, the filter segment 22 is arranged in the cavity 211 and is abutted against the inner wall of the cavity 211, and the filter segment 22 comprises a corn bract filter element.

The filter 2 is provided with a filter segment 22 mainly composed of a corn bract filter element, and the corn bract has a large specific surface area and contains a large amount of cellulose, so that harmful substances such as tar and nicotine can be effectively filtered and trapped. In addition, the filter segment 22 is abutted against the inner wall of the cavity 211, so that a gap is prevented from being formed between the filter segment 22 and the inner wall of the cavity 211, and smoke is prevented from entering the oral cavity of a human body without being filtered.

The flavonoids in the corn bracts have strong free radicals and antioxidant effects, so that variation caused by tar compounds can be prevented, cancers can be prevented, harmful substances generated by combustion of the tobacco shreds 11 can be effectively filtered and intercepted by the filter tip 2, and harm of the combustion of the tobacco shreds 11 to eaters is reduced. Moreover, flavonoids are high-quality natural antibiotics, and have the effects of sterilizing and diminishing inflammation on respiratory systems and oral tissues. Finally, the corn bract leaves also contain a certain amount of xylitol, dietary fiber and trace elements, so that the taste of the smoking tobacco product can be improved, and a certain health-care effect is achieved. The corn bract is agricultural waste, and the filter 2 is provided with a filter segment 22 mainly composed of a corn bract filter element, and is economical and practical.

The filter segment 22 provided in the filter 2 can not only effectively retain and filter harmful substances but also improve the taste of smoking tobacco products.

In the embodiment shown in fig. 1 to 4, the corn bract filter element includes the corn bract layer 221, the corn bract layer 221 is provided in plural, and the plural corn bract layers 221 are stacked in the radial direction of the cylindrical structure.

In the embodiment shown in fig. 1 and 2, a gap 222 is formed between two adjacent corn leaf layers 221. Wherein the gap 222 extends over a length of 10% to 30% of the extension of the filter segment 22 in the radial direction of the tubular structure.

In other embodiments, the voids 222 may also be filled with corn bract filaments.

Preferably, the void 222 extends over 10% of the length of the filter segment 22. More preferably, the void 222 may be omitted.

That is, in the radial direction of the cylindrical structure, the ratio of the extended length of the void 222 to the extended length of the filter segment 22 may be reduced to increase the specific surface area of the filter segment 22 as much as possible and enhance the filtering capacity of the filter segment 22.

Because the air holes are formed in the corn bracts, on the premise that the gaps 222 do not exist, gas generated by combustion of the tobacco shreds 11 can also pass through the air holes in the corn bracts after being filtered by the corn bracts and enter the oral cavities of smokers. Thus, the specific surface area of the filtering section 22 can be greatly increased, the trapping effect of the corn bracts on tar and nicotine is increased, the content of tar and nicotine entering the oral cavity of a smoker is further reduced, and the effects of reducing tar and reducing harm are achieved.

In this embodiment, the thickness of the corn husk layer 221 is 0.1mm to 0.3 mm. As shown in fig. 4, the corn leaf layer 221 includes a main body 2211, a convex portion 2212 and a concave portion 2213, the convex portion 2212 and the concave portion 2213 are connected to the main body 2211, the convex portion 2212 is bent from the main body 2211 to the axis of the cylindrical structure, and the concave portion 2213 is bent from the main body 2211 to the coating layer 21. That is, the depression 2213 and the projection 2212 are provided on the corn bract layer 221 to increase the area of the harmful material passing through the corn bract layer 221, further enhancing the filtering effect of the filtering section 22. In this case, the concave 2213 and convex 2212 are different from the original unevenness of the surface of the corn bract, and the macroscopic concave 2213 and convex 2212 are formed on the corn bract layer 221 by the subsequent processing.

In other embodiments, not shown, the corn husk filter element comprises a plurality of corn husk layers, and the stacking direction of the plurality of corn husk layers coincides with the axial direction of the cylindrical structure. At this time, the sectional size of each corn husk layer is matched to that of the cylindrical structure so that a plurality of corn husk layers can be held in the cavity 211. In the filter segment 22 of this embodiment, the smoke entering the cavity 211 is filtered by the plurality of corn leaf layers, so that the contact area of the smoke and the corn leaf layers is greatly increased, and the filtering efficiency of the filter 2 is increased.

In another embodiment, the corn bract filter element comprises corn bract filaments, the corn bract filaments are provided in plurality, and the plurality of corn bract filaments are stacked and arranged in the cavity 211. Specifically, the corn bract is cut into filaments, and then the corn bract filaments are wound with the coating layer 21 to form the filter 2.

In the embodiment shown in fig. 3, one end of the filter segment 22 extends to the smoke-proximal end 212 and the other end of the filter segment 22 extends to the mouth-proximal end 213.

As shown in fig. 5, the filter 2 further comprises a first sponge 23 and a second sponge 24 to form two heat insulation sections, the first sponge 23 and the second sponge 24 are spaced from the filter section 22 in the direction from the proximal end 213 to the proximal end 212, and the filter section 22 is located between the first sponge 23 and the second sponge 24. The end of the first sponge body 23 facing away from the filter segment 22 is flush with the proximal end 213 to close the proximal end 213, and the end of the second sponge body 24 facing away from the filter segment 22 is flush with the proximal end 212 to close the proximal end 212. The first sponge body 23 is located at a distance from the smoke proximal end 212 greater than the distance from the filter segment 22 to the smoke proximal end 212, and the second sponge body 24 is located at a distance from the smoke proximal end 212 less than the distance from the filter segment 22 to the smoke proximal end 212.

In the direction from the near-smoke end 212 to the near-mouth end 213, the extension length of the filter section 22 is greater than that of the first sponge body 23 and that of the second sponge body 24, so that the smoke generated by burning the cut tobacco 11 can be fully filtered through the corn bracts, and the purposes of reducing tar and reducing harm are achieved.

However, in other embodiments, the first sponge 23 or the second sponge 24 can be omitted, when the first sponge 23 is omitted, the end of the filter segment 22 facing away from the second sponge 24 is flush with the proximal end 213 to close the proximal end 213, and when the second sponge 24 is omitted, the end of the filter segment 22 facing away from the first sponge 23 is flush with the proximal end 212 to close the proximal end 212.

In other embodiments, the filter 2 may also be spaced from the body 1 in the direction from the proximal end 213 to the proximal end 212, i.e. a support section is provided between the filter 2 and the body 1.

In other embodiments, the thickness of the corn husk layer 221 can also be other sizes. The corn bract can be used after being simply cleaned, sterilized and dried in the sun. The body 2211 of the corn bract layer 221 can be omitted, so that the corn bract layer 221 is wavy, and the shapes of the concave portion 2213 and the convex portion 2212 are not particularly limited, and can be triangular, circular arc, elliptic arc and the like.

As shown in fig. 2, the coating layer 21 includes a first formed paper layer 214 and a second formed paper layer 215, the first formed paper layer 214 and the second formed paper layer 215 are detachably connected, the second formed paper layer 215 is coated on the first formed paper layer 214, the hardness of the first formed paper layer 214 is greater than that of the second formed paper layer 215, and the first formed paper layers 214 are connected end to form the cavity 211. In this way, the first paper layer 214 can form a relatively stable cylindrical shape, thereby confining the filter segment 22 within the cavity 211.

Specifically, the first formed paper layer 214 is white board paper or kraft paper, and the second formed paper layer 215 is tipping paper, which has certain water resistance and wet strength and can prevent lips from wetting the smoking article 10 when smoking. The raw materials of the white board paper, the kraft paper and the tipping paper are not limited, and can be straws, bagasse, broad-leaved wood, needle-leaved wood and the like.

In other embodiments, the first formed paper layer 214 may be made of other types such as white cardboard or cardboard, and the first formed paper layer 214 may be omitted.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. A filter tip is characterized by comprising a coating layer and a filtering section, wherein the coating layer is of a cylindrical structure, a cavity is formed in the cylindrical structure, the filtering section is arranged in the cavity and is abutted against the inner wall of the cavity, and the filtering section comprises a corn bract filtering element.

2. The filter according to claim 1, wherein the corn bract filter element comprises a plurality of corn bract layers, the plurality of corn bract layers being stacked in a radial direction of the cylindrical structure.

3. The filter according to claim 2, wherein the corn bract layer comprises a body, a protrusion and a depression, the protrusion and the depression are connected to the body, the protrusion is bent from the body to an axis of the cylindrical structure, and the depression is bent from the body to the coating layer.

4. The filter according to claim 1, wherein the corn bract filter element comprises a plurality of corn bract layers, the plurality of corn bract layers being arranged in a stack in an axial direction of the cylindrical structure.

5. The filter according to claim 1, wherein the corn bract filter element comprises corn bract filaments, the corn bract filaments being provided in plurality, and the plurality of corn bract filaments being arranged in a stack.

6. The filter according to claim 1, further comprising an insulating segment disposed within the cavity, the insulating segment being arranged in series with the filter segment in an axial direction of the cylindrical structure.

7. The filter according to claim 6, wherein the cylindrical structure has a smoke proximal end and a mouth proximal end disposed opposite each other, the smoke proximal end and the mouth proximal end both communicating with the cavity, the distance from the heat insulating section to the smoke proximal end being less than the distance from the filter section to the smoke proximal end.

8. A filter according to claim 6, wherein there are two of the insulating segments, the filter segment being disposed between the two insulating segments.

9. The filter tip of claim 1, wherein the coating comprises a first formed paper layer and a second formed paper layer, the first formed paper layer is detachably connected with the second formed paper layer, the second formed paper layer is coated on the periphery of the first formed paper layer, and the hardness of the first formed paper layer is greater than that of the second formed paper layer.

10. A smoking article comprising a body and a filter according to any one of claims 1 to 9, said wrapper covering at least part of said body.