CN220529266U - Special-shaped hollow filter stick for cigarettes - Google Patents

Abstract

The utility model discloses a special-shaped hollow filter rod of a cigarette, which comprises a acetate fiber filter rod (3) connected with a cigarette, wherein the outer diameter of the cigarette is the same as that of the acetate fiber filter rod (3), a hollow cavity is arranged in the axial direction of the acetate fiber filter rod (3), the cross section of the hollow cavity is provided with a plurality of sizes, an opening close to one end of the acetate fiber filter rod (3) at one end of the filter rod penetrates to the end face of the acetate fiber filter rod (3), and a gap is reserved between the opening close to one end of the cigarette and the cigarette. The special-shaped hollow filter rod cavity of the cigarette is in a step shape, so that the state of the cigarette can be changed for a plurality of times when the smoke enters the hollow structure from the filter rod, and the smoking feeling change is richer.

Description

Special-shaped hollow filter stick for cigarettes

Technical Field

The utility model relates to the technical field of cigarettes, in particular to a special-shaped hollow filter stick of a cigarette.

Background

The filter stick for cigarettes is an important component of cigarettes, and can effectively filter and retain particulate matters of the cigarettes. The traditional filter stick is made of acetate fiber tows and has the advantages of common cylinder form, single structure, no difference in appearance, serious homogenization, and defects in aspects of anti-counterfeiting and the like.

With the development of the tobacco industry, consumers are increasingly concerned about diversification and novelty of cigarette products, and various types of filter sticks are emerging.

Among them, a shaped hollow filter rod is a very representative filter rod. The special-shaped hollow filter stick can change the state of the smoke passing through the cavity, thereby changing the suction feeling. The hollow structure in the prior art has the same axial extension no matter what shape, the special-shaped hollow filter stick has the single shape and size of the cavity, no shape change and no change of the hollow diameter, the state of the smoke can only be changed once when the smoke enters the hollow structure from the filter stick, and the suction feeling change is single.

In summary, how to effectively solve the problem that the shape and the size of the cavity of the special-shaped hollow filter stick are single is a problem that needs to be solved by those skilled in the art at present.

Disclosure of Invention

The utility model aims to provide a special-shaped hollow filter stick of a cigarette, and the cavity of the special-shaped hollow filter stick of the cigarette is in a step shape, so that the state of smoke can be changed for a plurality of times when the smoke enters a hollow structure from the filter stick, and the smoking feeling change is more abundant.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a special-shaped hollow filter rod of cigarette, includes the acetate fiber filter rod of being connected with the cigarette, the cigarette with the external diameter of acetate fiber filter rod is the same, there is the cavity in the axis direction of acetate fiber filter rod, the cross-section in cavity has a plurality of sizes, the cavity is being close to the opening of acetate fiber filter rod filter tip one end runs through to the terminal surface of acetate fiber filter rod, the cavity is being close to the opening of cigarette one end with have the clearance between the cigarette.

Optionally, the hollow cavity comprises at least two hollow hole sections which are communicated in sequence, the hollow hole sections are straight holes, and the cross section sizes of adjacent hollow hole sections are different.

Optionally, the cross-sectional dimensions of the hollow sections of the plurality of sections decrease sequentially from the filter to the cigarette.

Optionally, the cross-section shape of cavity is circular, the cavity includes thin wall cavity section and the hollow section of acetate fiber that is connected, the internal diameter of thin wall cavity section is greater than the internal diameter of the hollow section of acetate fiber, the hollow section of thin wall extends to filter tip department.

Optionally, the hollow cavity further comprises a fine hole hollow section, the inner diameter of the fine hole hollow section is smaller than that of the acetate fiber hollow section, and the fine hole hollow section is arranged at the tail end of the acetate fiber hollow section.

Optionally, the pore hollow section is a pore filter rod, and the pore filter rod is connected with the acetate fiber filter rod in a sleeved mode.

Optionally, the thin-wall hollow section, the acetate fiber hollow section and the fine pore hollow section are coaxial.

Optionally, color cotton threads are arranged in the hollow section of the acetate fiber.

Optionally, a paper-based filter rod or a non-woven fabric filter rod is further included between the acetate fiber filter rod and the cigarette, and the outer diameters of the acetate fiber filter rod and the paper-based filter rod and the non-woven fabric filter rod are the same.

Optionally, the end of the fine pore hollow section is flush with the end of the acetate fiber filter rod.

The special-shaped hollow filter stick of the cigarette has the beneficial effects that the special-shaped hollow filter stick of the cigarette comprises a acetate fiber filter stick, the acetate fiber filter stick is connected with a cigarette, the whole of the cigarette and the acetate fiber filter stick is cylindrical, and the outer diameters of the cigarette and the acetate fiber filter stick are the same. The acetate fiber filter stick has hollow cavity in the axial direction, and the filter stick is not solid and has hollow longitudinal axis. The hollow cavity penetrates through the end face of the acetate fiber filter rod from an opening close to one end of the acetate fiber filter rod filter tip, and a gap is reserved between the opening close to one end of the cigarette and the cigarette, so that cut tobacco is prevented from entering the hollow cavity. The cross section of the hollow cavity has a plurality of sizes, and the special-shaped hollow filter stick is formed. The stepped hollow cavity filter stick is matched with the filter tip ventilation technology, and the oral cavity has obvious cool feeling during suction.

When the cigarettes are smoked, the smoke can be diffused or contracted along with the change of the diameter of the cavity, so that the flow rate of the smoke is changed, the smoke concentration is changed along with the change of the smoke by matching with the filter tip ventilation technology, the smoke state becomes finer and softer, the smoke is cool, and the smoking pleasure is obviously improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a ternary composite stepped filter rod according to one embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a quaternary composite stepped filter rod according to an embodiment of the present utility model.

The figures are marked as follows:

a thin-wall hollow section 1, an acetate fiber hollow section 2, an acetate fiber filter stick 3, a paper-based filter stick 4 and a fine pore hollow section 5.

Detailed Description

The core of the utility model is to provide the special-shaped hollow filter stick of the cigarette, and the cavity of the special-shaped hollow filter stick of the cigarette is in a step shape, so that the state of smoke can be changed for a plurality of times when the smoke enters a hollow structure from the filter stick, and the smoking feeling change is more abundant.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 2, fig. 1 is a schematic structural diagram of a ternary composite stepped filter rod according to an embodiment of the present utility model; fig. 2 is a schematic structural diagram of a quaternary composite stepped filter rod according to an embodiment of the present utility model.

In a specific embodiment, the special-shaped hollow filter stick of the cigarette provided by the utility model comprises a acetate fiber filter stick 3 connected with a cigarette, the outer diameter of the cigarette is the same as that of the acetate fiber filter stick 3, a hollow cavity is formed in the axial direction of the acetate fiber filter stick 3, the cross section of the hollow cavity is provided with a plurality of sizes, the hollow cavity penetrates through an opening near one end of the filter tip of the acetate fiber filter stick 3 to the end face of the acetate fiber filter stick 3, and a gap is formed between the opening near one end of the cigarette and the cigarette.

In the structure, the special-shaped hollow filter stick of the cigarette comprises the acetate fiber filter stick 3, the acetate fiber filter stick 3 is connected with a cigarette, the whole of the cigarette and the acetate fiber filter stick 3 is cylindrical, and the outer diameters of the cigarette and the acetate fiber filter stick are the same. The common acetate fiber filter stick 3 is taken as a comparison filter stick, and the three filter sticks and the cigarette body are connected together by using tipping paper to obtain the corresponding cigarette. When the cigarettes are rolled, the same batch of tobacco shreds are used for rolling the control filter stick cigarettes and the test filter stick cigarettes on the same machine table, the filling quantity of the tobacco shreds in the cigarettes is controlled to be the same level, the ventilation of the cigarette filters adopts an on-line laser drilling mode, the number of holes and the positions of holes of the control cigarettes and the test cigarettes are the same, and the ventilation rate of the filter tips is controlled to be the same level. The circumference of the rolled cigarette in the application is 20.0mm, and the length is 84.0mm.

The acetate fiber filter stick 3 has a hollow cavity in the axial direction, the filter stick is not solid, and the longitudinal axis is hollow. The hollow cavity penetrates through the end face of the acetate fiber filter stick 3 at the opening near one end of the acetate fiber filter stick 3, and a gap is reserved between the opening near one end of the cigarette and the cigarette, so that cut tobacco is prevented from entering the hollow cavity.

The cross section of the hollow cavity has a plurality of sizes, and the special-shaped hollow filter stick is formed. The stepped hollow cavity filter stick is matched with the filter tip ventilation technology, and the oral cavity has obvious cool feeling during suction.

When the cigarettes are smoked, the smoke can be diffused or contracted along with the change of the diameter of the cavity, so that the flow rate of the smoke is changed, the smoke concentration is changed along with the change of the smoke by matching with the filter tip ventilation technology, the smoke state becomes finer and softer, the smoke is cool, and the smoking pleasure is obviously improved.

The special-shaped hollow filter stick of the cigarette is only a preferred scheme, and is particularly not limited to the scheme, and targeted adjustment can be made according to actual needs on the basis, so that different embodiments are obtained, the hollow cavity comprises at least two hollow hole sections which are communicated in sequence, the hollow hole sections are straight holes, and the section sizes of adjacent hollow hole sections are different.

In some embodiments, the hollow cavity comprises at least two hollow bore segments, the two or more hollow bore segments being in end-to-end communication in sequence. The hollow hole sections are straight holes, and each hollow hole section is convenient to process. The cross-sectional dimensions of adjacent hollow hole sections are different, and the junction at different hollow sections forms the ladder, and here flue gas change is great, promotes the suction and experiences the sense.

The hollow cavity can be of an integral gradual change type, the smoke is gradually changed along with gradual enlargement of the hollow hole section of the filter stick, the change is slower, and the suction feeling is experienced step by step. Of course, each hollow hole section can also be of an integral gradual change type, so that the suction experience is enriched.

On the basis of the specific embodiments, the cross-sectional dimensions of the multi-section hollow hole sections are sequentially reduced from the filter tip to the cigarette. The smoke is diffused step by step along with the gradual enlargement of the hollow hole section of the filter stick, so that the smoke is fine and soft, richer smoking experience can be brought to people, and meanwhile, the cigarette hazard is not obviously increased.

Of course, the multi-section hollow hole sections have more cross-sectional dimension arrangement modes, and the cross-sectional dimension of the middle hollow section is the largest when the hollow hole sections are two sections, and the cross-sectional dimension of the hollow hole section close to one end of the filter tip is smaller; when the hollow hole section is three sections, the cross-sectional dimension of the middle hollow section is minimum, the cross-sectional dimension of the hollow sections at the two ends is large, and the smoke is diffused or contracted along with the dimension of the hollow hole section of the filter stick, so that the suction experience is richer and more various.

On the basis of the above specific embodiments, the cross-sectional shape of the hollow cavity is circular, the hollow cavity comprises a thin-wall hollow section 1 and a hollow fiber section 2 which are connected, the inner diameter of the thin-wall hollow section 1 is larger than that of the hollow fiber section 2, and the thin-wall hollow section 1 extends to the filter tip.

In some specific embodiments, the cross-sectional shape of the hollow cavity is not limited, and the hollow cavity can be circular and is convenient to process; it may also be square, petal-shaped, etc.

The hollow cavity comprises a thin-wall hollow section 1 and an acetate fiber hollow section 2, the thin-wall hollow section 1 is connected with the acetate fiber hollow section 2 end to end, the thin-wall hollow section 1 extends to the filter tip, and the acetate fiber hollow section 2 is close to the cigarette. The inner diameter of the thin-wall hollow section 1 is larger than that of the acetate fiber hollow section 2, so that the ternary composite stepped filter rod is formed.

Specifically, the first layer of the ternary filter stick is a thin-wall hollow section 1, the second layer is a common round acetate fiber hollow section 2, and the part of the filter stick is made into a color hollow filter stick by adopting color tows, and can be green, red or other colors. The third layer is the acetate fiber filter stick 3 without hollow hole section, which can be any color different from the second layer, and can be added with or not added with color cotton thread. The length of the filter stick used by each cigarette is 30mm, and the lengths of the thin-wall hollow section 1, the acetate fiber hollow section 2 and the acetate fiber filter stick 3 without the hollow hole section are 7mm, 8mm and 15mm respectively. The circumference of the filter stick is 19.7mm, the wall thickness of the thin-wall hollow section 1 is 1mm, the wall thickness of the acetate fiber hollow section 2 is 2mm, and all parts are arranged in sequence according to the requirement and are compounded together by forming paper to prepare the filter stick for cigarettes.

On the basis of the above embodiments, the hollow cavity further includes a fine hole hollow section 5, the inner diameter of the fine hole hollow section 5 is smaller than the inner diameter of the acetate fiber hollow section 2, and the fine hole hollow section 5 is disposed at the end of the acetate fiber hollow section 2.

In some embodiments, the hollow cavity further comprises a fine hole hollow section 5, the fine hole hollow section 5 is arranged at the tail end of the acetate fiber hollow section 2, and the inner diameter of the fine hole hollow section 5 is smaller than the inner diameter of the acetate fiber hollow section 2, so that the quaternary composite stepped filter rod is formed.

Specifically, the first layer of the quaternary filter stick is a thin-wall hollow section 1; the second layer is a common round acetate fiber hollow section 2, and the part of the filter rod is made into a color hollow filter rod by adopting color tows, and can be green, red or other colors. The third layer is a fine pore hollow section 5, and may be any color different from that of the second layer, and may or may not use colored tows. The fourth layer is an acetate fiber filter stick 3 without hollow hole sections or/and a paper-based filter stick 4, and the paper-based filter stick 4 can be replaced by a non-woven filter stick. The length of the filter stick used by each cigarette is 30mm, and the lengths of the first layer, the second layer, the third layer and the fourth layer are respectively 7mm, 8mm, 7mm and 8mm. The circumference of the filter stick is 19.7mm, the wall thickness of the first layer is 1mm, the wall thickness of the second layer is 2mm, and the pore diameter of the third layer is 1mm. And (3) sequentially arranging all parts according to the requirements, and compounding the parts with forming paper to prepare the cigarette filter stick.

Under the same tow and the same production process conditions, the pressure drop of the common filter rod is about 2800Pa, the pressure drop of the ternary composite stepped filter rod is only about 2200Pa, and the pressure drop of the quaternary composite stepped filter rod is only about 2400 Pa. The lower filter rod pressure drop is very helpful for improving the smoking easiness of cigarettes and improving the smoking experience.

In another more reliable embodiment, based on any one of the above embodiments, the pore hollow section 5 is a pore filter rod, and the pore filter rod is connected with the acetate fiber filter rod 3 in a sleeved mode.

In some specific embodiments, for the small-size pore hollow section 5, a hollow tubule is added in the center of the filter stick, the wall material of the tubule is acetate tow, and the outside of the tubule is wrapped by the acetate tow to form the pore filter stick. The fine pore filter stick is connected with the acetate fiber filter stick 3 in a sleeved mode, and the fine pore hollow section 5 is convenient to process.

On the basis of the specific embodiments, the thin-wall hollow section 1, the acetate fiber hollow section 2 and the pore hollow section 5 are coaxial, so that the processing is convenient, the wall thickness of each section of hole is the same, and the cigarette quality is ensured.

In another more reliable embodiment, on the basis of any one of the above embodiments, color cotton threads are arranged in the hollow section 2 of the acetate fiber.

In some embodiments, a cotton thread is added to the longitudinal axis of the filter rod, and the thread is generally colored and may or may not carry fragrance. At the moment, the hollow section is colored, so that the visual effect is improved, the personalized design is realized, and the individuality of a user is more easily highlighted; also has anti-counterfeiting effect.

In another more reliable embodiment, on the basis of any one of the above embodiments, a paper-based filter rod 4 or a non-woven fabric filter rod is further included between the acetate fiber filter rod 3 and the cigarette, and the outer diameters of the acetate fiber filter rod 3 and the paper-based filter rod 4 are the same as those of the non-woven fabric filter rod.

In some embodiments, a section of filter rod is arranged between the acetate fiber filter rod 3 and the cigarette, and the section of filter rod can be a paper-based filter rod 4 or a non-woven fabric filter rod, and the outer diameters of the acetate fiber filter rod 3 and the paper-based filter rod 4 and the non-woven fabric filter rod are the same. The paper-based filter stick 4 is a filter stick formed by processing soft paper by a filter stick production process, and the non-woven filter stick is a filter stick formed by processing non-woven fabrics by the filter stick production process, so that different experience of sucking is increased again; the hollow cavity and the cut tobacco are isolated by the paper-based filter stick 4 or the non-woven filter stick, so that the cut tobacco is prevented from entering the hollow cavity.

On the basis of the above-mentioned each embodiment, the end of the pore hollow section 5 is flush with the end of the acetate fiber filter rod 3, the axial of the acetate fiber filter rod 3 penetrates through the hollow cavity, the two ends can be processed, the processing is more convenient, and the aperture arrangement mode is more various.

In one embodiment, the rolled cigarettes were subjected to conventional smoke detection and the test data are shown in Table 1.

Table 1.

As can be seen from the data in the table, the stepped filter stick cigarette has obviously low average suction resistance, so better suction easiness is brought, meanwhile, the release amount of tar and nicotine is not greatly increased, especially the quaternary compound stepped filter stick cigarette has basically the same level as the contrast, the release amount of nicotine and CO is even lower, and the release amount of CO of the ternary compound stepped filter stick cigarette is lower than that of the contrast filter stick cigarette, so that the harm is not obviously increased while the filter stick cigarette brings better suction experience to people.

The tissue professional performs comparison smoking on the cigarette sample, and compared with a comparison filter stick cigarette, the test filter stick cigarette has the following characteristics: the step-type filter stick has lower pressure drop, and the cigarette has better smoking easiness; the smoke and the smog are more intense, and the satisfaction is stronger; the filter tip is ventilated more directly, and the mouth cavity has obvious cool feeling during suction, which is equivalent to the cool wind of the filter tip; because the filter stick is hollow and has a ladder-shaped structure, the smoke is finer during suction.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The special-shaped hollow filter stick of the cigarette provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a special-shaped hollow filter rod of cigarette, its characterized in that includes vinegar fiber filter rod (3) of being connected with the cigarette, the cigarette with the external diameter of vinegar fiber filter rod (3) is the same, there is the cavity in the axis direction of vinegar fiber filter rod (3), the cross-section of cavity has a plurality of sizes, the cavity is being close to the opening of vinegar fiber filter rod (3) filter tip one end runs through to the terminal surface of vinegar fiber filter rod (3), the cavity be close to the opening of cigarette one end with have the clearance between the cigarette.

2. The shaped hollow filter rod of claim 1, wherein the hollow cavity comprises at least two hollow hole sections which are communicated in sequence, the hollow hole sections are straight holes, and the cross-sectional sizes of adjacent hollow hole sections are different.

3. The shaped hollow filter rod of claim 2, wherein the cross-sectional dimensions of the plurality of hollow segments decrease sequentially from filter to cigarette.

4. A shaped hollow filter rod according to claim 3, characterized in that the hollow cavity has a circular cross-section, the hollow cavity comprises a thin-wall hollow section (1) and a hollow acetate fiber section (2) which are connected, the inner diameter of the thin-wall hollow section (1) is larger than the inner diameter of the hollow acetate fiber section (2), and the thin-wall hollow section (1) extends to the filter tip.

5. The profiled hollow filter rod according to claim 4, characterized in that the hollow cavity further comprises a fine pore hollow section (5), the inner diameter of the fine pore hollow section (5) is smaller than the inner diameter of the acetate fiber hollow section (2), and the fine pore hollow section (5) is arranged at the tail end of the acetate fiber hollow section (2).

6. The profiled hollow filter rod of a cigarette according to claim 5, characterized in that the fine-pore hollow section (5) is a fine-pore filter rod, which is connected with the acetate fiber filter rod (3) in a sleeved manner.

7. The profiled hollow filter rod of claim 5, characterized in that the thin-walled hollow section (1), the acetate hollow section (2) and the fine-pore hollow section (5) are concentric.

8. The profiled hollow filter rod of cigarette according to any one of claims 4-7, characterized in that color cotton threads are arranged in the hollow section (2) of acetate fiber.

9. The profiled hollow filter rod of cigarette according to any one of claims 5-7, characterized in that a paper-based filter rod (4) or a non-woven filter rod is further included between the acetate filter rod (3) and the cigarette, and the outer diameters of the acetate filter rod (3) and the paper-based filter rod (4) and the non-woven filter rod are the same.

10. The profiled hollow filter rod according to claim 9, characterized in that the end of the fine-pore hollow section (5) is flush with the end of the acetate filter rod (3).