Cigarette with central heating function

By designing a centrally heated cigarette structure with a hollow structure of the plug-in section, atomization section, cooling section, and filter section, the problems of difficult cigarette removal and tobacco residue are solved, and the product's appearance quality and user experience are improved.

CN223415671UActive Publication Date: 2025-10-10HUBEI CHINA TOBACCO INDUSTRY CO LTD
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Patent Information

Application Number
CN202422620622.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-10-10
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

When using center-heated cigarettes, it is easy for the cigarettes to be difficult to remove and tobacco residue to remain, affecting the consumer experience.

Method used

A centrally heated cigarette structure is designed, which includes an inserting section, an atomizing section, a cooling section and a filter section. The inserting section is a hollow structure, the atomizing section is provided with aerosol material, the cooling section is used to reduce the smoke temperature, and the filter section is used to allow smoke to pass through.

Benefits of technology

The problem of difficulty in taking out cigarettes and tobacco residue is solved, and the appearance quality and product quality of center-heated cigarettes are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a central heating cigarette which comprises an inserting section, an atomizing section, a cooling section and a filter tip section which are connected in sequence. The insertion section is of a hollow structure and is used for a central heating appliance to be inserted and extend to the atomization section; the atomization section is provided with an aerosol material capable of generating smoke after being heated by the central heating appliance; the cooling section is provided with a hollow structure for reducing the temperature of flue gas; the filter tip section is used for allowing smoke to pass through and flow into the mouth of a user. Compared with the prior art, the center heating cigarette has the advantages that the inserting section, the atomizing section, the cooling section and the filter tip section are arranged, and the inserting section is of a hollow structure and is used for inserting and extending a center heating appliance into the atomizing section, so that the problems that the center heating appliance is difficult to take out, tobacco shreds are left and the like can be solved; and the appearance quality and the product quality of the center heating cigarette can be improved.
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Description

Technical Field

[0001] The present application relates to the technical field of tobacco products, and in particular to a center-heated cigarette. Background Art

[0002] Heat-not-burn cigarettes are categorized by heating type, including central heating, peripheral heating, and combination heating. With central heating, taste is paramount in the consumer experience, offering significant advantages, but cigarette extraction and cleaning are inconvenient. With peripheral heating, convenience is paramount, but the draw can have a papery taste, with the key focus being on flavor adjustment. Combination heating offers significant potential, with the goal of achieving complementary advantages between central and peripheral heating in design. Currently, taste is the dominant factor in consumer experience, and central heating is the dominant heat-not-burn product on the market and will continue to be so.

[0003] Center-heating appliances, due to their unique taste advantages, are expected to remain a mainstream electric heating appliance for a long time. However, due to the inherent requirement that the heating element must be inserted into the tobacco, center-heating appliances can lead to user issues such as difficulty removing the cigarette and tobacco residue, severely impacting the consumer experience. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the present utility model is to provide a center-heated cigarette that can be easily taken out and reduces tobacco residue.

[0005] The technical solutions provided by this utility model are as follows:

[0006] A centrally heated cigarette comprises a plug-in section, an atomizing section, a cooling section and a filter section, wherein the plug-in section, the atomizing section, the cooling section and the filter section are connected in sequence; the plug-in section is a hollow structure for inserting a central heating device and extending to the atomizing section; the atomizing section is provided with an aerosol material that can be heated by the central heating device to generate smoke; the cooling section has a hollow structure for reducing the temperature of the smoke; and the filter section is used to allow smoke to pass through and flow into the user's mouth.

[0007] Preferably, the splicing section is a hollow acetate fiber tubular structure.

[0008] Preferably, the end surface of the plug-in section has a circular central hole or an elongated hole.

[0009] Preferably, the atomization section comprises a tobacco shred portion and a first wrapping paper portion, and the tobacco shred portion is provided with finished tobacco shreds added with aerosol material.

[0010] Preferably, the shape of the finished tobacco in the tobacco portion is a bent shape or a twisted shape, and the angle between the normal vector of the finished tobacco at the midpoint in the longitudinal direction and the axis of the atomization section cylinder is less than 90°.

[0011] Preferably, the cooling section is a hollow paper tube material formed by spirally forming multiple layers of paper-based material.

[0012] Preferably, the filter segment comprises an acetate tow rod and a second winding paper portion wrapped around the acetate tow rod.

[0013] Preferably, the plug-in section and the atomization section are compounded or rolled to form a first compound section, the cooling section and the filter section are compounded or rolled to form a second compound section, and the first compound section and the second compound section are twisted or compounded by tipping paper to form the final product.

[0014] Compared with the existing technology, the center-heated cigarette of the present invention is provided with an insertion section, an atomization section, a cooling section and a filter section, and the insertion section adopts a hollow structure for the center heating device to be inserted and extended to the atomization section, thereby not only solving the pain points such as difficulty in removal and tobacco residue, but also improving the appearance quality and product quality of the center-heated cigarette. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of the structure of a heated cigarette in the center of an embodiment of the present utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of a first shape of the end surface of the plug-in section in a center-heated cigarette is shown;

[0018] Figure 3 for Figure 1 The diagram shows a second shape of the end surface of the plug-in section in a center-heated cigarette. DETAILED DESCRIPTION

[0019] In order to help those skilled in the art better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of this application.

[0020] It should be noted that when an element is referred to as being “fixed on” or “set on” another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout the description of this application, "plurality" or "several" means two or more, unless otherwise specifically defined.

[0023] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0024] like Figures 1 to 3 As shown, the embodiment of the present invention provides a center-heated cigarette, comprising an inserting section 11, an atomizing section 21, a cooling section 31 and a filter section 41. The inserting section 11, the atomizing section 21, the cooling section 31 and the filter section 41 are connected in sequence.

[0025] The plug section 11 is a hollow structure, which is used for the central heating device to be inserted and extended to the atomizing section 21. In this embodiment, the plug section 11 is a hollow acetate fiber tubular structure, and the end surface has a circular center hole 111 (such as Figure 2 ) or long strip hole 112 (such as Figure 3 ). Its length can be 1-15mm.

[0026] The atomization section 21 is provided with an aerosol material that can be heated by a central heating device to produce smoke. In this embodiment, the atomization section 21 includes a tobacco section 211 and a first wrapping paper section 212, and its length can be 10-35 mm. Finished tobacco with aerosol material added is provided in the tobacco section 211. The finished tobacco can be formed by one to four methods including roller pressing, thick slurry method, dry reconstituted tobacco, and natural tobacco. The shape of the finished tobacco in the tobacco section is a curved or twisted shape, and the angle between the normal vector of the finished tobacco at the midpoint of the length direction and the cylindrical axis of the atomization section 21 is less than 90°. The first wrapping paper section 212 is a non-combustion wrapping paper, which can include one or more layers of reconstituted tobacco leaf sheets, impermeable wrapping paper, or aluminum foil composite paper.

[0027] The cooling section 31 has a hollow structure for lowering the flue gas temperature. In this embodiment, the cooling section 31 is a hollow paper tube formed by spirally forming multiple layers of paper-based material. Its length can range from 5 to 30 mm. The cooling section 31 is used to lower the flue gas temperature, dilute harmful components in the flue gas, enhance flavor, and improve sensory quality.

[0028] The filter segment 41 allows smoke to pass through and enter the user's mouth. In this embodiment, the filter segment 41 comprises an acetate tow rod 411 and a second wrapping paper portion 412 wrapped around the acetate tow rod 411. The second wrapping paper portion 412 can be 5-20 mm in length. The second wrapping paper portion 412 can be a wrapping paper. The filter segment 41 is manufactured by obtaining the acetate tow rod 411 and the wrapping paper portion 412 and combining them to form the filter segment 41.

[0029] During production, the connecting section 11, atomizing section 21, cooling section 31, and filter section are first separately obtained. The connecting section 11 and the atomizing section 21 are then combined or rolled to form a first composite section 51 (in this embodiment, this is rolled using wrapping paper 81). The cooling section 31 and the filter section are then combined or rolled to form a second composite section 52 (in this embodiment, this is rolled using wrapping paper 91). The first and second composite sections 51, 52 are then joined or combined using tipping paper 71 to form the final product. The final product can have a circumference of 20.5-24.5 mm.

[0030] The structure and preparation method of the center-heated cigarette are further described below through two specific examples.

[0031] Example 1

[0032] A center-heated cigarette comprises: an insertion section 11, an atomization section 21, a cooling section 31 and a filter section 41; the insertion section 11 comprises a hollow acetate tubular structure, which is used for inserting a center heating device into the atomization section 21 that generates smoke, and can also prevent tobacco from being brought out or the need to clean the tobacco on the device when the center device is pulled out after heating is completed. The length is 10 mm; the atomization section 21 is used for the tobacco portion 211 and the first rolling paper portion 212 wrapped around the outside of the tobacco material to generate smoke and flavor after the aerosol material is heated by the center heating device. The length is 12 mm, and the tobacco portion 211 includes a finished tobacco blend of recycled tobacco leaves produced by the rolling method and the thick pulp method; the cooling section 31 includes a hollow paper tubular material 311 for reducing smoke temperature, diluting harmful components in smoke, increasing flavor and improving sensory quality. The length is 16 mm; the filter section 41 includes an acetate fiber bundle rod 411 and a second rolling paper portion 412 wrapped around the outside thereof. The length is 7 mm.

[0033] The method for preparing the center-heated cigarette comprises the following steps:

[0034] Acetate fiber tow is obtained, and then opened, plasticized, formed, and shaped to obtain a splice segment 11 having a length of 10 mm;

[0035] 50 kg of flue-cured tobacco, burley tobacco, and sun-cured tobacco leaves were obtained and produced into reconstituted tobacco shreds using a roller pressing method and a thick pulp method. The shredded tobacco leaves were then mixed in a 1:1 ratio to produce finished tobacco shreds. The shredded tobacco leaves were then rolled into an atomizing section 21 with a length of 12 mm using aluminum foil composite wrapping paper.

[0036] Obtain a paper-based material by spirally forming multiple layers of the paper-based material into a hollow paper tube-shaped material 311 having a length of 16 mm;

[0037] Acetate fiber tow is obtained, opened, plasticized, and formed, and then wrapped with forming paper 412 to produce a filter segment 41 with a length of 7 mm;

[0038] Obtain the plug-in section 11 and the atomizing section 21, and compound or roll them into the first composite section 51;

[0039] Obtain the cooling section 31 and the filter tip section 41, and compound or roll them into the second composite section 61;

[0040] The first composite section 51 and the second composite section 61 are joined or composited by means of tipping paper 71 , with a circumference of 22.5 mm.

[0041] The above-mentioned cigarettes have full smoke and moderate strength, the central heating device is easy to remove, and there is no tobacco residue. The appearance quality of the cigarettes has no obvious defects, no tobacco falling off at the ends, and the product quality is good.

[0042] Example 2

[0043] A center heating cigarette rod, comprising: a plug-in section 11, an atomization section 21, a temperature reduction section 31 and a filter section 41; the plug-in section 11 comprises a hollow acetate fiber tubular structure, which is used for the insertion of a center heating device to extend to the atomization section 21 to generate smoke, while preventing the tobacco from being taken out or the need to clean the tobacco on the device during the pulling out of the center device after heating is completed, and the length is 5 mm; the atomization section 21 is used for the tobacco section 211 for generating smoke and taste after the aerosol material is heated by the center heating device and the first wrapping paper section 212 wrapped outside the tobacco material, and the length is 29 mm; the tobacco section 211 comprises a formula finished tobacco produced by mixing reconstituted tobacco leaves by rolling method and thick paste method; the temperature reduction section 31 comprises a hollow paper tubular material 311 for reducing the temperature of the smoke, diluting the harmful components of the smoke, increasing the taste and improving the sensory quality, and the length is 30 mm; the filter section 41 comprises an acetate fiber bundle rod 411 and a second wrapping paper section 412 wrapped outside it, and the length is 10 mm;

[0044] The preparation method of the above-mentioned center heating cigarette rod comprises the following steps:

[0045] Obtain the acetate fiber bundle, open, plasticize, shape, and size to obtain the plug-in section 11, and the length is 5 mm;

[0046] Obtain 50 kg of flue-cured tobacco, burley tobacco and sun-cured tobacco leaves, and use the thick paste method and the atomized tobacco process to produce reconstituted tobacco and atomized tobacco, then mix them in a ratio of 3:1 to produce formula finished tobacco, and then use aluminum foil composite wrapping paper to roll to produce the atomization section 21, and the length is 12 mm;

[0047] Obtain the paper-based material, and spiral the multi-layer paper-based material to form a hollow paper tubular material 311, and the length is 16 mm;

[0048] Obtain the acetate fiber bundle, open, plasticize, shape, and then use the shaped paper to obtain the filter section 41, and the length is 10;

[0049] Obtain the plug-in section 11 and the atomization section 21, and composite or roll to obtain the first composite section 51;

[0050] Obtain the temperature reduction section 31 and the filter section 41, and composite or roll to obtain the second composite section 61;

[0051] Twist or composite the first composite section 51 and the second composite section 61 through the tipping paper 71, and the circumference is 205 mm.

[0052] The above-mentioned cigarette rod has full smoke, moderate strength, the center heating device is easy to take out, there is no tobacco residue, and the appearance quality of the cigarette rod has no obvious defects, the end has no tobacco shedding, and the product quality is good.

[0053] Compared with the prior art, the advantageous effects of centrally heating cigarettes in the embodiment of the present invention are as follows:

[0054] 1. A plug-in section is designed for the central heating device to be inserted into the atomization section that generates smoke. It can also prevent aerosol materials from being carried out when the central device is pulled out after heating is completed, or clean up residual aerosol materials on the device;

[0055] 2. The atomization section is designed to produce 1-4 kinds of finished tobacco from the roll pressing method, thick slurry method, dry reconstituted tobacco, and natural tobacco. The shape of the finished tobacco is not straight, but curved or twisted. The angle between the normal vector of the finished tobacco at the midpoint of the length and the axis of the atomization section column is less than 90°.

[0056] 3. The structure is simple and can effectively utilize existing winding and composite manufacturing equipment.

[0057] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A center-heated cigarette, characterized in that: It includes a plug-in section, an atomization section, a cooling section and a filter section, which are connected in sequence; the plug-in section is a hollow structure for a central heating device to be inserted and extended to the atomization section; the atomization section is provided with an aerosol material that can be heated by the central heating device to generate smoke; the cooling section has a hollow structure for reducing the temperature of the smoke; and the filter section is used to allow smoke to pass through and flow into the user's mouth.

2. The center-heated cigarette according to claim 1, characterized in that: The splicing section is a hollow acetate fiber tubular structure.

3. The center-heated cigarette according to claim 1, wherein: The end surface of the plug-in section has a circular central hole or an elongated strip hole.

4. The center-heated cigarette according to claim 1, wherein: The atomization section comprises a tobacco shred portion and a first wrapping paper portion, wherein the tobacco shred portion is provided with finished tobacco shreds added with aerosol material.

5. The center-heated cigarette according to claim 4, characterized in that: The shape of the finished tobacco in the tobacco portion is a bent shape or a twisted shape, and the angle between the normal vector of the finished tobacco at the midpoint in the length direction and the axis of the atomization section cylinder is less than 90°.

6. The center-heated cigarette according to claim 1, characterized in that: The cooling section is a hollow paper tube material formed by spirally forming multiple layers of paper-based materials.

7. The center-heated cigarette according to claim 1, characterized in that: The filter segment includes an acetate fiber tow rod and a second winding paper portion wrapped around the acetate fiber tow rod.

8. The center-heated cigarette according to any one of claims 1 to 7, characterized in that: The plug-in section and the atomization section are compounded or rolled to form a first compound section, the cooling section and the filter section are compounded or rolled to form a second compound section, and the first compound section and the second compound section are twisted or compounded by tipping paper to form a final product.