Filter stick and cigarette

Abstract

The utility model discloses a filter stick and a cigarette. The filter rod comprises a core body. The core includes a braided outer layer and an inner core layer. Wherein the woven outer layer is formed by winding and weaving a plurality of first strip-shaped tows. And the woven outer layer is provided with an inner cavity. The inner core layer comprises a plurality of second strip-shaped tows. Each of the plurality of second strip-shaped tows extends along the axial direction of the filter stick and is arranged in the inner cavity of the woven outer layer. The core body of the filter stick is provided with the woven outer layer, and the woven outer layer is formed by winding and weaving the plurality of first strip-shaped tows, so that smoke can pass through a bending path of the woven outer layer when passing through the woven outer layer, and the passing time of the smoke is prolonged; furthermore, the probability of contact between particulate matters in the smoke and the core body is increased, and the interception efficiency is improved. The interception efficiency of particulate matters in the smoke is improved, so that the taste of the smoke inhaled into the body of a consumer is smoother, and the smoking feeling of the consumer is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco, in particular to a filter rod and a cigarette. Background Art

[0002] Cellulose acetate has a large specific surface area and has the functions of water absorption and filtration. Therefore, cellulose acetate is the most widely used filter rod material. In the filter rod of the prior art, the acetate fiber bundles are arranged roughly in parallel along the same direction. In addition, the diameter of the particulate matter in the smoke is much smaller than the spacing between the fiber bundles, so that the particulate matter in the smoke passes directly through the gaps between the fiber bundles. Therefore, the existing filter rod has limited adsorption and interception effect on the particulate matter in the smoke.

[0003] It should be noted that the statements in this background technology section only provide background technology related to the present invention and do not necessarily constitute prior art. Utility Model Content

[0004] The utility model provides a filter rod and a cigarette, so as to improve the interception efficiency of the filter rod on particulate matter in smoke.

[0005] The first aspect of the utility model provides a filter rod, including a core body, the core body comprising:

[0006] A braided outer layer, formed by winding and braiding a plurality of first strip-shaped filament bundles, and having an inner cavity; and

[0007] The inner core layer comprises a plurality of second strip-shaped wire bundles, each of which extends along the axial direction of the filter rod and is arranged in the inner cavity of the braided outer layer.

[0008] In some embodiments, the braided outer layer forms an annular structure.

[0009] In some embodiments, a plurality of second strip-shaped filament bundles are arranged in parallel on the inner side of the annular structure.

[0010] In some embodiments, the first strip-like tow is made of a fiber material; and / or, the second strip-like tow is made of a fiber material.

[0011] In some embodiments, the cross-section of the first strip-shaped tow includes at least one of a circle, a heart, a diamond, and a triangle.

[0012] In some embodiments, the cross-section of the second strip-shaped tow includes at least one of a circle, a heart, a diamond, and a triangle.

[0013] In some embodiments, in a cross section of the filter rod, the coverage area of ​​the braided outer layer is greater than the coverage area of ​​the inner core layer.

[0014] In some embodiments, the cross-sectional area of ​​the first strip-like tow is greater than the cross-sectional area of ​​the second strip-like tow.

[0015] In some embodiments, the filter rod further comprises plugging paper, and the plugging paper is wrapped around the outside of the core.

[0016] In some embodiments, the filter rod further comprises a molding agent disposed on the core body, and the molding agent is applied to the outer surface of the core body to shape the core body.

[0017] The second aspect of the utility model provides a cigarette, comprising a tobacco segment and the above-mentioned filter rod, wherein the tobacco segment is connected to the filter rod.

[0018] Based on the technical solution provided by the utility model, the filter rod includes a core body. The core body includes a woven outer layer and an inner core layer. Among them, the woven outer layer is formed by winding and weaving a plurality of first strip-shaped wire bundles. And the woven outer layer has an inner cavity. The inner core layer includes a plurality of second strip-shaped wire bundles. Each of the plurality of second strip-shaped wire bundles extends along the axial direction of the filter rod and is arranged in the inner cavity of the woven outer layer. The core body of the filter rod of the utility model embodiment is provided with a woven outer layer, and the woven outer layer is formed by winding and weaving a plurality of first strip-shaped wire bundles, so that when the smoke passes through the woven outer layer, it will pass through the tortuous path of the woven outer layer, thereby extending the passage time of the smoke, thereby increasing the probability of contact between the particulate matter in the smoke and the core body, and improving the interception efficiency. The interception efficiency of the particulate matter in the smoke is improved, so that the taste of the smoke inhaled into the consumer's body is smoother, thereby improving the consumer's smoking experience.

[0019] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the filter rod according to some embodiments of the utility model.

[0022] Figure 2 Schematic diagram of the three-dimensional structure of filter rods in other embodiments of the utility model. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0025] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways, and the spatially relative descriptions used here are interpreted accordingly.

[0026] The inventors found during the research process that since the acetate fiber bundles of the filter rods in the prior art are arranged roughly in parallel along the same direction and have a simple structure, the interception efficiency of the particulate matter in the smoke is not high.

[0027] In response to this problem, the inventor conducted further research and proposed that the softness of cellulose acetate can be utilized and woven into shape with the help of modern weaving technology, which will make the flow path of smoke in the filter rod longer, thereby making the flow time of smoke in the filter rod longer, and increasing the probability of contact between the particulate matter in the smoke and the fiber bundle, thereby improving the interception efficiency. The interception efficiency of the particulate matter in the smoke is improved, so that the taste of the smoke inhaled into the consumer's body is smoother, thereby improving the consumer experience.

[0028] According to the following Figure 1 and Figure 2 The structures of the filter rod and the cigarette in some embodiments of the utility model are described in detail.

[0029] refer to Figure 1 and Figure 2 The filter rod of some embodiments of the utility model includes a core body 20. The core body 20 includes a braided outer layer 21 and an inner core layer 22. The braided outer layer 21 is formed by winding and braiding a plurality of first strip-shaped wire bundles 211. The braided outer layer 21 has an inner cavity. The inner core layer 22 includes a plurality of second strip-shaped wire bundles 221. Each of the plurality of second strip-shaped wire bundles 221 extends along the axial direction of the filter rod and is arranged in the inner cavity of the braided outer layer 21.

[0030] The core body 20 of the filter rod in some embodiments of the utility model is provided with a braided outer layer 21, which is formed by winding and braiding a plurality of first strip-shaped filament bundles 211, so that the smoke passes through the braided outer layer 21 through the bending path of the braided outer layer 21, thereby prolonging the passing time of the smoke, thereby increasing the probability of contact between the particulate matter in the smoke and the core body 20, and improving the interception efficiency. The interception efficiency of the particulate matter in the smoke is improved, so that the taste of the smoke inhaled into the consumer's body is smoother, thereby improving the consumer experience.

[0031] like Figure 1 As shown, the first strip-shaped tow 211 of the braided outer layer 21 is wound and woven to form an inclined or arc-shaped arrangement, thereby slowing down the passage of smoke, increasing the probability of contact between particulate matter in the smoke and the tow fibers, improving the interception efficiency, and making the cigarette smoke taste smoother.

[0032] In some embodiments, the braided outer layer 21 forms an annular structure. A plurality of second strip-shaped wire bundles 221 are arranged in parallel on the inner side of the annular structure.

[0033] like Figure 1As shown, in some embodiments, the braided outer layer 21 is a tubular structure. That is, a plurality of first strip-shaped filament bundles 211 are twisted and wound to form a tubular structure with an inner cavity. Then the inner core layer 22 is arranged in the inner cavity. In this way, while improving the interception efficiency of the particulate matter, part of the smoke can also directly enter the consumer's mouth through the inner core layer 22, effectively avoiding the problem of excessive suction resistance causing a bad consumer experience. The fiber filter element has a loose structure, good air permeability, and a low suction resistance of the filter rod.

[0034] like Figure 1 As shown, the braided outer layer 21 is braided and wound by a plurality of first strip-shaped wire bundles 211. The inner core layer 22 is formed by a plurality of second strip-shaped wire bundles 221 arranged in parallel. The plurality of second strip-shaped wire bundles 221 all extend along the axial direction of the filter rod and are substantially parallel to each other.

[0035] In some embodiments, the first strip-shaped tow 211 is made of fiber material. The fiber material is opened to form a strip-shaped tow with a smaller diameter, and then the strip-shaped tow is woven.

[0036] The second strip-shaped silk bundle 221 is made of fiber material. Similarly, the fiber material is opened to make a strip-shaped silk bundle with a smaller diameter.

[0037] In some embodiments, the cross-sectional shape of the first strip-shaped tow 211 includes at least one of a circle, a heart, a diamond, and a triangle.

[0038] In some embodiments, the cross-sectional shape of the second strip-shaped tow 221 includes at least one of a circle, a heart, a diamond, and a triangle.

[0039] The utility model does not limit the cross-sectional shapes of the first strip-shaped wire bundle 211 and the second strip-shaped wire bundle 221, and they can be circular, heart-shaped, diamond-shaped, triangular, etc. The filter rod of the utility model embodiment makes the cross-sectional shapes of the strip-shaped wire bundles diverse, and makes the cross-sectional shapes of the filter rod itself present different styles through weaving and other methods, thereby improving consumers' recognition of cigarettes.

[0040] refer to Figure 1 and Figure 2 In some embodiments, on the cross section of the filter rod, the coverage area of ​​the braided outer layer 21 is larger than the coverage area of ​​the inner core layer 22. In this way, most of the smoke needs to pass through the braided outer layer 21, and most of the particulate matter in the smoke can be intercepted by contacting with the fiber bundles of the braided outer layer 21, thereby improving the interception rate.

[0041] In some embodiments, the cross-sectional area of ​​the first strip-shaped filament bundle 211 is larger than the cross-sectional area of ​​the second strip-shaped filament bundle 221. This arrangement also makes the coverage area of ​​the braided outer layer 21 larger, thereby being able to intercept more particulate matter.

[0042] like Figure 1 As shown, in some embodiments, the filter rod further comprises a plugging paper 10. The plugging paper 10 is wrapped around the outside of the core 20.

[0043] The filter rod further comprises a molding layer disposed on the core 20. The molding layer is formed by a plasticizer, and the plasticizer is uniformly applied to the core 20 to mold the core 20.

[0044] like Figure 2 As shown, in other embodiments, the filter rod further includes a molding agent disposed on the core 20. The molding agent is applied to the outer surface of the core 20 to shape the core 20. In this embodiment, the molding paper 10 is omitted and the molding agent applied to the surface of the core 20 is directly used, which can simplify the structure of the filter rod.

[0045] The utility model also provides a cigarette, comprising a tobacco shred segment and the filter rod. The tobacco shred segment is connected to the filter rod. The cigarette made by the filter rod of the above embodiments has less particulate matter inhaled by consumers and a smoother smoke taste.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A filter rod, characterized in that: The invention comprises a core (20), wherein the core (20) comprises: A braided outer layer (21), formed by winding and braiding a plurality of first strip-shaped filament bundles (211), and having an inner cavity; and The inner core layer (22) comprises a plurality of second strip-shaped wire bundles (221), each of the plurality of second strip-shaped wire bundles (221) extending along the axial direction of the filter rod and arranged in the inner cavity of the braided outer layer (21).

2. The filter rod according to claim 1, characterized in that The braided outer layer (21) forms an annular structure.

3. The filter rod according to claim 2, characterized in that The plurality of second strip-shaped filament bundles (221) are arranged in parallel on the inner side of the annular structure.

4. The filter rod according to claim 1, characterized in that The first strip-like filament bundle (211) is made of fiber material; and / or the second strip-like filament bundle (221) is made of fiber material.

5. The filter rod according to claim 1, characterized in that: The cross-sectional shape of the first strip-shaped filament bundle (211) includes at least one of a circle, a heart, a diamond, and a triangle.

6. The filter rod according to claim 1, characterized in that The cross-sectional shape of the second strip-shaped filament bundle (221) includes at least one of a circle, a heart, a diamond, and a triangle.

7. The filter rod according to claim 1, characterized in that In the cross section of the filter rod, the coverage area of ​​the braided outer layer (21) is greater than the coverage area of ​​the inner core layer (22).

8. The filter rod according to claim 1, characterized in that The cross-sectional area of ​​the first strip-shaped filament bundle (211) is greater than the cross-sectional area of ​​the second strip-shaped filament bundle (221).

9. The filter rod according to claim 1, characterized in that: The filter rod further comprises a molding layer arranged on the core body (20), wherein the molding layer is formed by a plasticizer, and the plasticizer is evenly applied to the core body (20) to mold the core body (20).

10. A cigarette, characterized in that: The invention comprises a tobacco shred segment and a filter rod according to any one of claims 1 to 9, wherein the tobacco shred segment is connected to the filter rod.

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