SHELL FOR HEAT-NOT-BURN TOBACCO

Abstract

The present invention provides a casing for a heat-not-burn ceramic film cigarette, the casing comprising a main body cigarette tube, sealing paper located at one end of the cigarette tube, and a filter tip located at the other end of the cigarette tube. A ceramic film is arranged, in the cigarette tube, on a contact layer that comes into contact with tobacco. A ceramic film is provided on the contact face of the sealing paper that comes into contact with the tobacco. According to the casing for a heat-not-burn cigarette provided in the present invention, the ceramic film of the casing is directly applied to a packaging layer which comes in direct contact with the tobacco, such that the component stability of a heat-not-burn cigarette can be greatly increased, and the moisture retention property of tobacco substances is significantly improved.

Claims

1. A ceramic film shell for heat-not-burn tobacco, comprising a main tobacco tube, a sealing paper located at one end of the tobacco tube and a filter tip located at the other end of the tobacco tube, wherein a ceramic film is arranged on a contact layer in contact with tobacco in the tobacco tube.

2. The ceramic film shell for heat-not-burn tobacco according to claim 1, wherein a ceramic film is arranged on a contact surface of the sealing paper and the tobacco.

3. The ceramic film shell for heat-not-burn tobacco according to claim 2, wherein the ceramic film sealing paper is a double-surfaced film-coated paper, namely, a ceramic film is arranged on one surface of the ceramic film sealing paper, and a impermeable film is arranged on the other surface of the ceramic film sealing paper.

4. The ceramic film shell for heat-not-burn tobacco according to claim 2, wherein a gram weight of the ceramic film of the tobacco tube and the ceramic film of the sealing paper is 2-10 gsm.

5. The ceramic film shell for heat-not-burn tobacco according to claim 2, wherein a tipping paper is arranged on an outer surface of the tobacco tube provided with the ceramic film.

6. The ceramic film shell for heat-not-burn tobacco according to claim 2, wherein the gram weight of the ceramic film of the sealing paper is greater than the gram weight of the ceramic film of the tobacco tube.

7. The ceramic film shell for heat-not-burn tobacco according to claim 2, wherein the tobacco tube is a paper tube manufactured by spirally rolling a plurality of layers of paper or a paper tube manufactured by directly rolling flat-plate cigarette paper.

8. The ceramic film shell for heat-not-burn tobacco according to claim 7, wherein one surface of paper for manufacturing the tobacco tube is a smooth surface, the other surface of the paper for manufacturing the tobacco tube is a rough surface with certain roughness, and the ceramic film is arranged on the rough surface of the paper with the roughness; one surface of the ceramic film sealing paper is a smooth surface, the other surface of the ceramic film sealing paper has certain roughness to form a rough surface, the ceramic film is arranged on the rough surface of the paper with the roughness.

9. The ceramic film shell for heat-not-burn tobacco according to claim 2, wherein the ceramic film is a clay film, a porcelain film, a silicon film or a similar material film.

10. The ceramic film shell for heat-not-burn tobacco according to claim 7, wherein the ceramic film paper tube is manufactured by rolling 65-gsm paper for manufacturing a ceramic film paper tube, 120-gsm paper for manufacturing a paper tube and 60-gsm paper for manufacturing a paper tube in a combined manner, the ceramic film sealing paper is manufactured by 77-gsm film-coated paper formed by coating a rough surface of 70-gsm base paper with a ceramic film and coating a smooth surface of the base paper with an aluminum film, and holes are uniformly punched in the film-coated paper, with a hole diameter being 0.20 mm, a center distance of the holes being 0.50 mm, and a porosity being 12.6%.

11. The ceramic film shell for heat-not-burn tobacco according to claim 3, wherein the impermeable film is an aluminum film.

12. The ceramic film shell for heat-not-burn tobacco according to claim 2, wherein a plurality of through holes are formed in the sealing paper, and a porosity is not less than 4%.

13. The ceramic film shell for heat-not-burn tobacco according to claim 12, wherein the porosity is 12.6%.

14. The ceramic film shell for heat-not-burn tobacco according to claim 9, wherein the color of the ceramic film is milky white.

Description

DETAILED DESCRIPTION

Embodiment 1

[0028] A shell for heat-not-burn tobacco is provided, which is manufactured by a ceramic film paper tube, a ceramic film sealing paper located at one end of the tobacco tube and a filter tip located at the other end of the ceramic film tobacco tube.

[0029] Wherein the ceramic film paper tube is manufactured by the following method: firstly, coating a rough surface of 60-gsm paper for manufacturing a paper tube with clay for film forming so as to manufacture 65-gsm paper for manufacturing a ceramic film paper tube; then, the paper for manufacturing the ceramic film paper tube is used as the innermost layer of the shell for tobacco, and the paper for manufacturing the ceramic film paper tube is combined with 120-gsm paper for manufacturing a paper tube and 60-gsm paper for manufacturing a paper tube to be rolled into the ceramic film paper tube, wherein the ceramic film of the paper for manufacturing the ceramic film paper tube is contacted with the filled tobacco.

[0030] The ceramic film sealing paper is manufactured by the following method: firstly, coating the rough surface of 70-gsm base paper with a ceramic film, and coating the smooth surface of the base paper with an aluminum film to obtain 77-gsm film-coated paper; then, uniformly punching holes in the film-coated paper by adopting an infrared laser punching technology, with a hole diameter being 0.20 mm, a center distance of the holes being 0.50 mm, and a porosity being 12.6%, so as to form the ceramic film sealing paper. The ceramic film sealing paper manufactured by the method has excellent air permeability of through holes, so that suction smoothness can be ensured, without obvious obstruction.

[0031] The shell for heat-not-burn tobacco manufactured in Embodiment 1 has the following advantages:

[0032] For the ceramic film paper tube, firstly, as the ceramic film paper tube is manufactured by three layers of paper for manufacturing a paper tube (namely 65-gsm paper for manufacturing a ceramic film paper tube, 120-gsm paper for manufacturing a paper tube, and 60-gsm paper for manufacturing a paper tube), the ceramic film paper tube is uniform in thickness and high in mechanical strength, and therefore it is not easy to bend, thereby being beneficial to mechanized production and subsequent use of tobacco; secondly, as the paper for manufacturing the ceramic film paper tube is coated with +5-gsm level of clay coated film, the wetness and moisture retention effects of the tobacco can be significantly realized for a long time, effective substances are balanced, the stability of components in the shell for tobacco is favorably adjusted, and the volatilization or deterioration of these components is significantly slowed down; and thirdly, the combination use of three layers of paper for manufacturing a paper tube (i.e., 65-gsm paper for manufacturing a ceramic film paper tube, 120-gsm paper for manufacturing a paper tube, and 60-gsm paper for manufacturing a paper tube) makes the thickness of the shell for heat-not-burn tobacco suitable, so that the shell will not be too thin to collapse, will help to keep the shape of the tobacco tube well and is not easy to bend or damage, will not generate the phenomena of scalding hands, and will not be too thick to increase the cost.

[0033] For the ceramic film sealing paper, firstly, as the +7-gsm level of clay coated film which is thicker than the +5-gsm level of clay coated film coating the paper for manufacturing a ceramic film paper tube is adopted, the moisture retention effect can be further improved, and thus the volatilization and deterioration of tobacco substances filled in the shell for heat-not-burn tobacco can be more effectively prevented; secondly, 77-gsm film-coated paper has ideal thickness, which can prevent the ceramic film sealing paper from being too thick, thereby being beneficial to the smooth puncture and insertion of an insertion type heater and preventing the ceramic film sealing paper from being too thin to be easily damaged by external force; thirdly, a proper porosity is selected, so that the tobacco substances in the shell for heat-not-burn tobacco cannot leak out while the ideal air permeability is ensured, and the suction smoothness in the whole tobacco tube can be ensured, and the use feeling is good and comfortable; and fourthly, the through holes are formed by adopting laser punching, and compared with mechanical punching, it is more uniform, and the velocity of punching is faster, without unnecessary processing waste material.

Embodiment 2

[0034] A shell for heat-not-burn tobacco is provided, which is manufactured by a ceramic film paper tube, a ceramic film sealing paper located at one end of the tobacco tube and a filter tip located at the other end of the ceramic film tobacco tube. [0035] wherein the ceramic film paper tube is manufactured by the following method: firstly, coating a rough surface of 120-gsm paper for manufacturing a paper tube with a ceramic film so as to manufacture 122-gsm paper for manufacturing a ceramic film paper tube; then, the paper for manufacturing the ceramic film paper tube is used as the innermost layer of the shell for tobacco, and the paper for manufacturing the ceramic film paper tube is combined with 120-gsm paper for manufacturing a paper tube to be rolled into the ceramic film paper tube. The ceramic film sealing paper is manufactured by the following method: coating the rough surface of 80-gsm base paper with a ceramic film, and coating the smooth surface of the base paper with an aluminum film to obtain 85-gsm ceramic film sealing paper; and uniformly punching holes in the ceramic film sealing paper by adopting a needle roller mechanical punching technology, with a hole diameter being 0.20 mm, a center distance of the holes being 0.40 mm, and a porosity being 19.6%.

Embodiment 3

[0036] A shell for heat-not-burn tobacco is provided, which is manufactured by a ceramic film paper tube, a ceramic film sealing paper located at one end of the tobacco tube and a filter tip located at the other end of the ceramic film tobacco tube. [0037] wherein the ceramic film paper tube is manufactured by the following method: firstly, coating a rough surface of 50-gsm paper for manufacturing a paper tube with a ceramic film so as to manufacture 60-gsm paper for manufacturing a ceramic film paper tube; then, the paper for manufacturing the ceramic film paper tube is used as the innermost layer of the shell for tobacco, and the paper for manufacturing the ceramic film paper tube is combined with two layers of 80-gsm paper for manufacturing a paper tube to be rolled into the ceramic film paper tube. The ceramic film sealing paper is manufactured by the following method: coating the rough surface of 70-gsm base paper with a ceramic film, and coating the smooth surface of the base paper with an aluminum film to obtain 85-gsm ceramic film sealing paper, and punching pattern holes on the ceramic film sealing paper by utilizing the arrangement of punching needles of a needle plate and adopting a needle plate punching technology, with a hole diameter being 0.15 mm and a total porosity being 15.0%, so that through holes with good air permeability are formed, the suction is smooth, and the surface is attractive and neat.

[0038] The foregoing is only the best embodiments of the present invention. It should be emphasized that various modifications and improvements to the present invention, which may be made by those skilled in the art without departing from the inventive idea of the present invention, shall fall within the protection scope of the present invention.