FILTER AND TOBACCO PRODUCT
A filter for a tobacco product provided with a through hole along the axial direction, including a slit on a circumference of the filter along a circumferential direction, wherein a cross-sectional area of the through hole is changed by twisting both sides in the axial direction of the filter in relatively opposite directions along the circumferential direction with the slit as a boundary. A tobacco product further has the above filter, tip paper that wraps at least a part of the filter; and a tobacco rod including shredded tobacco and connected to the filter through the tip paper.
Latest JAPAN TOBACCO INC. Patents:
- FLAVOR INHALER OR AEROSOL GENERATION DEVICE, AND OPERATION METHOD AND PROGRAM FOR SAME
- STABLE CRYSTAL OF 4-OXOQUINOLINE COMPOUND
- MANUFACTURING DEVICE AND MANUFACTURING METHOD FOR RECONSTITUTED TOBACCO SHEET
- INFORMATION PROCESSING DEVICE, AND INFORMATION PROCESSING METHOD
- POWER SUPPLY UNIT FOR AEROSOL GENERATION DEVICE
This application is a continuation application of International Application PCT/JP2016/074041 filed on Aug. 17, 2016 and designated the U.S., the entire contents of which are incorporated herein by reference.
TECHNICAL FIELDThe present invention relates to a filter and a tobacco product.
BACKGROUND ARTConventionally, there is proposed a filter cigarette, in which a tip section and a body section rotatably engage, the body section adjacent to the tip section, and the tip section are divided into one segment that is filled with a tobacco filter, and the other segment that is not filled with the tobacco filter, in the longitudinal direction, respectively, and a degree of filtration action of smoke is variable depending on a relative angle (for example, Patent document 1). There is proposed a smoking article in which an opening end region is surrounded by rolled letter paper having an opening, and tip adhering paper having an opening, and one opening is rotatable with respect to the other opening so as to adjust the degree of matching of the opening in order to change an among of air to the opening end region (for example, Patent document 2).
- [Patent document 1] U.S. Patent No. 3428050
- [Patent document 2] Japanese Patent Publication No. 2-28318
Conventionally, a technology of varying a filtering characteristic or an air introduction ratio of a tobacco product is proposed, but a structure is complicated, and there is a problem that labor and cost in manufacturing are required. Therefore, an object of the present invention is to enable change of a filtering characteristic of a tobacco product with a simple configuration.
Solution to ProblemA filter according to one aspect of the present invention is a filter for a tobacco product provided with a through hole along the axial direction. Additionally, the filter includes a slit on a circumference of the filter along a circumferential direction, wherein a cross-sectional area of the through hole is changed by twisting both sides in the axial direction of the filter in relatively opposite directions along the circumferential direction with the slit as a boundary.
Thus, ventilation resistance is changed with the change of the cross-sectional area, and it is possible to change a filtering characteristic of the tobacco product including the filter. That is, the filtering characteristic of the tobacco product can be changed with a simple configuration.
A tobacco product according to another aspect of the present invention is a filter provided with a through hole along an axial direction, the filter including a slit on a circumference of the filter along a circumferential direction, wherein a cross-sectional area of the through hole is changed by twisting both sides in the axial direction of the filter in relatively opposite directions along the circumferential direction with the slit as a boundary; tip paper that wraps at least a part of the filter; and a tobacco rod including shredded tobacco and connected to the filter through the tip paper. Thus, ventilation resistance is changed with the change of the cross-sectional area, and a filtering characteristic of the tobacco product is also changed. That is, the filtering characteristic of the tobacco product can be changed with a simple configuration.
The tip paper may have a cut or slits along the circumferential direction of the tobacco product, a portion on the shredded tobacco side with respect to the cut or the slits may be connected to a portion on the shredded tobacco side with respect to the slit in the filter, and a portion on a mouthpiece side with respect to the cut or the slits in the tip paper may be connected to a portion on the mouthpiece side with respect to the slit in the filter. Thus, the tip paper connected to the portion on the shredded tobacco side with respect to the slit in the filter, and the tip paper connected to the portion on the mouthpiece side in the filter rotate in the directions opposite to each other with the cut as a boundary.
The tip paper may have a perforation on the mouthpiece side with respect to the slit of the filter. Thus, with the change of the cross-sectional area of the through hole of the filter, an air introduction ratio from a perforation when a user puffs the tobacco product is changed.
In the tobacco product, a seasoning source containing a taste component or a flavor component may be held on the tobacco rod side with respect to the slit. Thus, it is possible to provide the tobacco product capable of changing a discharge amount of the taste component or the flavor component by twisting the filter.
A solution for solving the problem of the present invention can be employed by combining as much as possible.
Effects of the InventionAccording to the present invention, it is possible to change a filtering characteristic of a tobacco product with a simple configuration.
An embodiment of a tobacco product according to the present invention will be described with reference to the drawings.
Embodiment 1The CH filter 12 and the acetate filter 13 are disposed adjacent in the axial direction, and side surface circumferences are wrapped with formed paper 14, and the CH filter 12 and the acetate filter 13 are formed in a columnar shape. The formed paper 14 is provided with a cut 141 on a shred side in the axial direction of the cigarette 1 with respect to the slit 122. In the formed paper 14, an adhesive (not illustrated) is applied to a portion at which ends of the formed paper 14 overlap on each other, the ends of the formed paper 14 are stuck to each other, an adhesive (not illustrated) is also applied to a part of an inner circumference along the axial direction, and the CH filter 12 and the acetate filter 13 are adhered.
The tobacco rod 11 and the CH filter 12, and the acetate filter 13 are disposed adjacent in the axial direction, side surface circumferences are wrapped with a tip paper 15, and the tobacco rod 11, the CH filter 12, and the acetate filter 13 are formed in a columnar shape. The tip paper 15 is provided with a cut 151 on a shred side in the axial direction of the cigarette 1 with respect to the slit 122, and is provided with an air supply unit (also referred to as an “perforation”) 152 being a through hole for taking air when a user of the cigarette 1 puffs, on the mouthpiece side (that is, the acetate filter 13 side) with respect to the slit 122. The air supply unit 152 is an intake port that takes air for diluting mainstream smoke from outside in the filter. More specifically, an air supply unit 152 is composed of a plurality of dot-like holes provided over a whole circumference of the CH filter 12. In the tip paper 15, overlapped portions of ends of the tip paper 15 are stuck to each other with an adhesive, an adhesive (not illustrated) is also applied to a part of an inner circumference along the axial direction, and the tobacco rod 11 and the CH filter 12, and the acetate filter 13 are adhered.
The tip paper 15 is provided with the air supply unit 152. In a state in which the through hole 121 is not throttled as in
As described above, in the CH filter 12 of the cigarette 1 according to this embodiment, the cross-section area of the through hole 121 inside the CH filter 12 is changed by twisting. The ventilation resistance can be changed with this, and the introduction amount of the air from the air supply unit 152 is changed. That is, the air introduction ratio of the tobacco product can be changed with a simple configuration, and mainstream smoke passing through the CH filter can pass through a filter material portion, pass through a cavity portion, or be changed, and therefore it is possible to change a filtration rate of nicotine or tar.
Embodiment 2In Embodiment 2, an acetate filter 13 is disposed between a tobacco rod 11 and a CH filter 12. Thus, it is possible to prevent movement of the shred tobacco into the through hole 121, and movement of the powder of the powder balls 16 into the tobacco rod 11. In an end on the mouthpiece side, which a user holds in his/her mouth, the through hole 121 of the CH filter 12 is opened. As illustrated in
As described above, in the CH filter 12 of the cigarette 1 according to Embodiment 2, the ventilation resistance and the filtration rate can be changed by twisting. Consequently, it is possible to change the air introduction amount from an air supply unit 152, and change a physical movement amount of the powder in the through hole 121.
In
The seasoning source such as the powder balls 16 and the flavor capsules may be held not in the through hole 121 of the CH filter 12, but in a cavity being a cavity portion wrapped with tip paper or formed paper.
<Manufacturing Method>
<Modification>
In embodiment 1, the CH filter 12 and the acetate filter 13 may be reversely disposed. That is, as illustrated in
In the embodiments or the modification, at least one of the cut 141 and the cut 151 may be a so-called slits. When a user twists the CH filter 12, paper is separated along slits, the cut 141 and the cut 151 is formed, and the shred side portion 120a and the mouthpiece side portion 120b of the CH filter 12 rotate in the opposite directions. When such formed paper 14 or tip paper 15 is employed, the paper can package as integral rolled letter paper at the time of manufacturing, and can be separated as needed. Similarly, the cut 141 or the cut 151 may be previously separated, and ends of the cuts may overlap on each other.
Relative positions of the cut 141 or the cut 151, and the slit 122 are not limited to the above example. For example, as illustrated in
The through hole 121 of the CH filter 12 may be provided at a position deviated from the center in cross-sectional view. However, the user more easily twists the CH filter 12 in a case in which the through hole 121 is provided at substantially the center of the CH filter. The depth of the slit 122 being a non-penetration groove may be constant over the whole circumference, or may be deviated. For example,
An article that is a filter portion which does not includes the above tobacco rod 11, and can be mounted on an arbitrary tobacco product may be provided. Examples of the tobacco product include cigarettes such as a filter cigarette including a filter, and untipped cigarettes with no filter, a cigar, and a cigarillo.
Preferable values of the depth of the slit, the ratio of the diameter of the filter and the diameter of the through hole, specifications such as the density of acetate fiber, a dosage of plasticizer, the material, the basis weight, and the like of formed paper or tip paper can be suitably selected. For example, in order to close the through hole 121, the inner diameter of the through hole 121 is preferably at least a half the diameter of the CH filter 12, and more preferably at least one-third the diameter of the CH filter 12. In order to facilitate operation of twisting, the slit 122 is preferably deeper. On the other hand, for example, the residual thickness of the CH filter 12 formed with the slit 122 is preferably 1 mm or more in order to secure predetermined strength. Furthermore, a non-wrapped filter that does not use material paper may be used as the CH filter. Additionally, in a filter having a circumference wrapped with formed paper along with a CH filter, existing filters such as a charcoal filter and a tow-embedded capsule filter can be suitably combined in addition to the acetate filter.
REFERENCE SIGNS LIST
- 1 cigarette (tobacco product)
- 11 tobacco rod
- 12 center hole (CH) filter
- 13 acetate filter
- 14 formed paper
- 15 tip paper
- 16 powder ball (seasoning source)
- 16a powder
- 121 through hole
- 122 slit
- 141 cut
- 142 adhesive
- 151 cut
- 152 air supply unit (perforation)
- 153 adhesive
Claims
1. A filter for a tobacco product provided with a through hole along the axial direction, comprising
- a slit on a circumference of the filter along a circumferential direction, wherein
- a cross-sectional area of the through hole is changed by twisting both sides in the axial direction of the filter in relatively opposite directions along the circumferential direction with the slit as a boundary.
2. A tobacco product comprising:
- a filter provided with a through hole along an axial direction, the filter including a slit on a circumference of the filter along a circumferential direction, wherein a cross-sectional area of the through hole is changed by twisting both sides in the axial direction of the filter in relatively opposite directions along the circumferential direction with the slit as a boundary;
- tip paper that wraps at least a part of the filter; and
- a tobacco rod including shredded tobacco and connected to the filter through the tip paper.
3. The tobacco product according to claim 2, wherein
- the tip paper has a cut or a slit along the circumferential direction of the tobacco product, a portion on the tobacco rod side with respect to the cut or the slit is connected to a portion on the tobacco rod side with respect to the slit in the filter, and a portion on a mouthpiece side with respect to the cut or the slit in the tip paper is connected to a portion on the mouthpiece side with respect to the slit in the filter.
4. The tobacco product according to claim 2, wherein
- the tip paper has a perforation on the mouthpiece side with respect to the slit of the filter.
5. The tobacco product according to claim 2, wherein a seasoning source containing a taste component or a flavor component is held on the tobacco rod side with respect to the slit.
Type: Application
Filed: Feb 15, 2019
Publication Date: Jun 13, 2019
Applicant: JAPAN TOBACCO INC. (Tokyo)
Inventors: Hitoshi TAMBO (Tokyo), Yoshiaki ISHIKAWA (Tokyo)
Application Number: 16/277,527