阅读说明：本技术 一种用于加热不燃烧卷烟烟支的管流式降温管件及其制备方法 (Pipe flow type cooling pipe fitting for heating non-combustible cigarette and preparation method thereof ) 是由 成经辉 雷萍 汤建国 杨文� 龚为民 袁大林 韩敬美 王一帆 冒德寿 李志强 尚 于 2020-02-24 设计创作，主要内容包括：本发明公开了一种用于加热不燃烧卷烟烟支的降温管件,其包括管壁和管腔,所述降温管件的管壁包括内层的复合层(21)和外层的第一纸层(22),所述复合层(21)包括无纺布层(211)和第二纸层(212),所述第二纸层(212)与所述第一纸层(22)贴合。本发明首先将无纺布层(211)和第二纸层(212)通过干式复合的方法复合,再将第二纸层(212)和第一纸层(22)粘接,纸材与纸材较容易粘接,从而管件管壁不同材质之间粘接牢固,最内层的无纺布层不易脱落,解决了多种材质复合不易粘接的问题。更进一步,管件制备过程中可以使用螺旋复合式卷制也可使用对搭式的工艺进行卷制,卷制方式较为灵活。(The invention discloses a cooling pipe fitting for heating non-combustible cigarette, which comprises a pipe wall and a pipe cavity, wherein the pipe wall of the cooling pipe fitting comprises an inner-layer composite layer (21) and an outer-layer first paper layer (22), the composite layer (21) comprises a non-woven fabric layer (211) and a second paper layer (212), and the second paper layer (212) is attached to the first paper layer (22). According to the invention, the non-woven fabric layer (211) and the second paper layer (212) are compounded by a dry compounding method, and then the second paper layer (212) and the first paper layer (22) are bonded, so that the paper and the paper are bonded easily, therefore, different materials of the pipe wall of the pipe are bonded firmly, the non-woven fabric layer at the innermost layer is not easy to fall off, and the problem that multiple materials are compounded and are not easy to bond is solved. Furthermore, the pipe fitting can be coiled by using a spiral combined type coiling process or a butt lap type process in the preparation process, and the coiling mode is flexible.)

1. The utility model provides a cooling pipe fitting for heating non-combustible cigarette props up, its includes pipe wall and lumen, its characterized in that, the pipe wall of cooling pipe fitting includes the composite bed (21) of inlayer and outer first ply (22), composite bed (21) include non-woven fabrics layer (211) and second ply (212), second ply (212) with first ply (22) laminating.

2. The cooling tube of claim 1, wherein a metal foil layer (213) or a polymer material film (214) is further disposed between the non-woven fabric layer (211) and the second paper layer (212).

3. The cooling tube of claim 1, wherein the non-woven fabric layer (211) is a non-woven fabric made of a polymer material, and the polymer material is polyethylene, polypropylene, polyvinyl chloride, polyethylene terephthalate, or polylactic acid.

4. The cooling tube as claimed in claim 1, wherein the non-woven layer (211) has one or both of a fragranced gel layer or a smoke agent layer on a side thereof adjacent to the lumen.

5. The cooling tube of claim 1, wherein the cooling tube has a wall thickness of 0.3mm to 1 mm.

6. The method for manufacturing the cooling pipe fitting according to claim 1, characterized by comprising the following steps:

(1) compounding the non-woven fabric layer (211) and the second paper layer (212) to obtain a composite layer (21), wherein one surface of the composite layer (21) is the non-woven fabric layer (211), and the other surface is the second paper layer (212);

(2) and (3) attaching one surface of the second paper layer (212) of the composite layer (21) to the first paper layer (22), and forming the pipe fitting by adopting spiral rolling or lap-joint rolling.

7. The production method according to claim 6, wherein the compounding method in the step (1) is dry compounding.

8. A heated non-combustible cigarette rod, comprising, in order from upstream to downstream: a tobacco core section (1), a cooling section (2) and a filter tip section (3); the cooling section (2) is the cooling pipe fitting of claim 1;

the cigarette filter is characterized in that the cooling section (2) and the filter tip section (3) are wrapped by forming paper (4) to form a binary composite filter tip, the cigarette core section (1) is wrapped by cigarette paper (5) to form a tobacco section, and the binary composite filter tip and the tobacco section are connected by tipping paper (6) to form a cigarette.

Technical Field

The invention relates to the field of heating non-combustion cigarettes, in particular to a cigarette for heating non-combustion cigarettes.

Background

The cigarette without combustion is heated by an external heat source, the tobacco can release smoke and nicotine only by heating and burning the tobacco, the tobacco temperature is far lower than that of the traditional cigarette, harmful ingredients generated by high-temperature combustion and cracking of the tobacco can be reduced, and harmful chemical ingredients and toxicity of the smoke are greatly reduced; meanwhile, the sidestream smoke is greatly reduced, and the harm of second-hand smoke to non-smoking people is reduced.

The tobacco heating temperature of the cigarette which is not burnt is generally controlled below 400 ℃, the atomization temperature is reached under the condition of 250-350 ℃, and the temperature of the high-temperature atomized smoke entering the oral cavity through the filter section is higher than the temperature of the smoke of the traditional cigarette. The development of a cigarette structure with proper smoke temperature and sufficient smoke quantity is the key of electric heating and non-combustion of the cigarette.

At present, the cigarette that does not burn by heating among the prior art all has adopted the filter rod of multistage formula to handle the flue gas that the cigarette core section produced, its filter rod includes the cooling section, the filter tip section, wherein in order to reduce the choked flow of cooling section to the flue gas, and avoid the cooling section to be heated and take place the deformation, lead to the cooling section to cave in, thereby influence the support performance of cooling section to the cigarette, part cigarette adopts the paper tube as the cooling section, and in order to improve the cooling effect of paper tube, can increase one deck polylactic acid membrane at the paper tube inner wall, the bonding of current technology inner wall polylactic acid membrane and outer wall paper material goes on when the paper tube shaping, also be exactly at the in-process of roll system formation paper tube, bond polylactic acid membrane and paper material, the problem that this method exists is: 1. the paper material and the polylactic acid film are not firmly bonded, and the polylactic acid film can fall off from a pipe fitting when being heated and deformed in the using process, so that part of smoke is blocked, and the smoke throughput is low and the smoke amount is small; 2. when the joint is formed in the rolling process, the paper material and the polylactic acid film are not easy to bond, so that the rolling process can only adopt a spiral forming mode which is easy to be buckled, and can not adopt a butt-lap mode which is not easy to be buckled, but the spiral composite forming efficiency is low, and the rejection rate is high. 3. The existing paper tube has the functions of cooling and supporting, such as fragrance loading and the like which are difficult to realize or have poor effect.

The present invention has been made to solve the above problems.

Disclosure of Invention

The invention provides a tubular cooling pipe fitting for heating non-burning cigarette cigarettes, which comprises a pipe wall and a pipe cavity, wherein the pipe wall of the tubular cooling pipe fitting comprises an inner-layer composite layer 21 and an outer-layer first paper layer 22, the composite layer 21 comprises a non-woven fabric layer 211 and a second paper layer 212, and the second paper layer 212 is attached to the first paper layer 22. Wherein, the inner layer of the pipe wall is one side close to the pipe cavity. The pipe fitting is said pipe cooling pipe fitting or cooling pipe fitting in this application file.

Preferably, a metal foil layer 213 or a polymer material film 214 is further disposed between the non-woven fabric layer 211 and the second paper layer 212. One or more of the non-woven fabric layer, the second paper layer, the metal foil layer 213 and the polymer material film 214 are overlapped together to form the composite layer 21, so that the support performance of the pipe wall of the pipe fitting can be obviously improved.

Preferably, the non-woven fabric layer 211 is a non-woven fabric made of a high polymer material, and the high polymer material is polyethylene, polypropylene, polyvinyl chloride, polyethylene terephthalate, or polylactic acid.

The polymer material nonwoven fabric layer is an opaque material with a latticed surface, is soft and tough, and has pores on the surface, while the polymer material film 214 is a transparent material with a smooth surface, and has a hard texture, poor toughness and no pores on the surface compared with the nonwoven fabric.

Preferably, the nonwoven layer 211 has one or both of an fragranced gel layer or a smoke agent layer on a side thereof adjacent to the lumen.

The flavoring gel layer is selected from a polyethylene glycol layer or a essence layer; the smoke agent layer is selected from a propylene glycol layer or a glycerin layer.

Preferably, the thickness of the pipe wall of the pipe fitting is 0.4-1 mm.

Preferably, the composite layer 21 has a mass of 160g per square meter, the first paper layer 22 has a mass of 110g per square meter, and the second paper layer 212 has a mass of 60g per square meter.

The second aspect of the present invention provides a method for manufacturing a cooling pipe, which includes the following steps:

(1) compounding the non-woven fabric layer 211 and the second paper layer 212 to obtain a composite layer 21, wherein one surface of the composite layer 21 is the non-woven fabric layer 211, and the other surface is the second paper layer 212;

(2) and (3) attaching one surface of the second paper layer 212 of the composite layer 21 to the first paper layer 22, and forming the pipe fitting by adopting spiral rolling or lap-joint rolling.

The rolling process can be used for rolling along the edge of the sheet formed after the inner wall and the outer wall are completely overlapped, and can also be used for spirally rolling along the angle of the sheet formed after the inner wall and the outer wall are partially overlapped.

Preferably, the compounding method in step (1) is dry compounding.

In a third aspect the present invention provides a heated non-burning cigarette rod comprising, in order from upstream to downstream: a tobacco core section 1, a cooling section 2 and a filter tip section 3; the cooling section 2 is a pipe flow type cooling pipe fitting of the first aspect of the invention;

the cooling section 2 and the filter tip section 3 are wrapped by forming paper 4 to form a binary composite filter tip, the cigarette core section 1 is wrapped by cigarette paper 5 to form a tobacco section, and the binary composite filter tip and the tobacco section are connected by tipping paper 6 to form a cigarette.

Wherein, the material of the cooling section 2 is paper or composite material containing non-woven fabrics.

The filter segment 3 is a solid filter formed by acetate fiber tows, polylactic acid tows or tows formed by mixing acetic acid and polylactic acid in proportion.

Wherein the tobacco core section 1 is a rod-shaped tobacco core formed by gathering tobacco leaves or reconstituted tobacco leaves containing flavor substances.

The cooling section 2 overlaps the inner wall material polymer material non-woven fabric layer with one or more of the outer wall material polymer material non-woven fabric layer, the paper layer, the metal foil layer 213 or the polymer material film 214 to form an empty tube, so that the support performance of the tube wall can be obviously improved.

Compared with the prior art, the invention has the following beneficial effects:

1. in the pipe wall of the pipe fitting, the non-woven fabric layer 211 and the second paper layer 212 form the composite layer 21 firstly, one surface of the composite layer 21 is the non-woven fabric layer 211, and the other surface is the second paper layer 212, wherein when the composite layer 21 is bonded with the first paper layer 22 to form the pipe fitting, one surface of the second paper layer 212 of the composite layer 21 is bonded with the first paper layer 22, because the non-woven fabric layer 211 and the second paper layer 212 are combined by a dry-type compounding method, the two are firmly bonded and are not easy to fall off, and the composite layer 21 is bonded with the first paper layer 22 through one surface of the second paper layer 212 and one surface of the first paper layer 22, the paper material is easily bonded with the paper material, so that the pipe wall of the pipe fitting is firmly bonded with different materials, the non-woven fabric layer at. Furthermore, the pipe fitting can be coiled by using a spiral combined type coiling process or a butt lap type process in the preparation process, and the coiling mode is flexible.

2. In a preferred embodiment of the invention, an aroma-enhancing gel layer or a smoke agent layer can be added in the inner wall of the pipe wall of the cooling section 2 of the cigarette, the inner layer of the pipe wall is a non-woven fabric layer 211, and fine holes are formed in the surface of the non-woven fabric layer 211, so that the aroma-carrying amount or the smoke-carrying amount of the non-woven fabric layer is large, and the release of aroma substances or smoke substances is good, meanwhile, the procedure of adding the aroma-enhancing gel layer or the smoke agent layer of the cigarette can be completed in the preparation process of the cooling section 2, the procedure of independently adding the aroma-enhancing gel layer or the smoke agent layer after the preparation of the cooling section 2 of the cigarette is avoided, and the process is simplified.

3. In a preferred embodiment of the present invention, a metal foil layer 213 or a polymer material film 214 is further disposed between the nonwoven fabric layer 211 and the second paper layer 212, and after a flavoring gel layer or a smoke agent layer is added to the inner surface of the nonwoven fabric layer 211, the metal foil layer 213 or the polymer material film 214 is further disposed between the nonwoven fabric layer 211 and the second paper layer 212, so that the flavoring gel layer or the smoke agent layer is not easily permeated into the second paper layer 212, thereby avoiding loss of the flavoring gel or the smoke agent, so as to exert the maximum effect thereof, and simultaneously avoiding the production and processing problems caused by permeation of the flavoring gel layer or the smoke agent layer.

4. In a preferred embodiment of the present invention, the pipe wall of the cooling section 2 of the cigarette of the present invention is formed by overlapping one or more layers of the non-woven fabric layer 211, the second paper layer 212, the metal foil layer 213 and the polymer material film 214, which can significantly improve the supporting performance of the pipe wall of the cooling section 2 on the cigarette.

5. The inner layer of the pipe wall of the cooling section 2 of the cigarette is the non-woven fabric layer 211, and the polylactic acid material, the polyethylene material, the polypropylene material, the polyvinyl chloride material or the polyethylene terephthalate material is made into the high polymer material non-woven fabric layer, so that the thermoplasticity of the non-woven fabric layer can be obviously reduced, the non-woven fabric layer is not easy to deform under the heating condition, and the collapse of the cooling section 2 after being heated is further avoided.

6. The production process of the cooling section 2 is simpler than that of a gathered polylactic acid film serving as the cooling section, the cost can be greatly reduced, and meanwhile, the cooling section 2 has almost the same cooling effect on smoke as a gathered folded polylactic acid sheet serving as the cooling section with the same length.

Drawings

FIG. 1 is a schematic view of a first embodiment of the tube of the present invention;

FIG. 2 is a partial block diagram of the wall of a first embodiment of the tube of the present invention;

FIG. 3 is a schematic view of a second embodiment of the tube of the present invention;

FIG. 4 is a partial block diagram of the wall of a second embodiment of the tube of the present invention;

FIG. 5 is a structural view of a cigarette according to a third embodiment of the present invention;

reference designator names in the description of the drawings: 1-a cigarette core section, 2-a cooling section, 3-a filter section, 4-a forming paper, 5-a cigarette paper, 6-a tipping paper, 21-a composite layer, 22-a first paper layer, 211-a non-woven fabric layer, 212-a second paper layer and 214-a high polymer material film.

Detailed Description

The present invention is further described with reference to the accompanying drawings, which are not intended to be limiting in any way, and any alterations and modifications based on the teachings of the present invention are intended to be included within the scope of the present invention.