CN112839531A - Method of manufacturing smoking article - Google Patents
Method of manufacturing smoking article Download PDFInfo
- Publication number
- CN112839531A CN112839531A CN201880098430.8A CN201880098430A CN112839531A CN 112839531 A CN112839531 A CN 112839531A CN 201880098430 A CN201880098430 A CN 201880098430A CN 112839531 A CN112839531 A CN 112839531A
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- Prior art keywords
- tobacco
- smoking article
- tobacco rod
- length
- double
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/01—Making cigarettes for simulated smoking devices
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/47—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces
- A24C5/475—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces adapted for composite filters
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/20—Cigarettes specially adapted for simulated smoking devices
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- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
Provided is a method for manufacturing a smoking article provided with a tobacco rod, a cooling section, and a filter section, the method including: (A) preparing a pair of tobacco sections including the tobacco rod and the cooling section abutting on an end thereof, and separately disposing the tobacco sections so that longitudinal axes of the tobacco rod and the cooling section are the same; (B) preparing a double-length filter segment having a length twice that of the filter segment, and arranging the double-length filter segment in the separating portion so that both ends of the double-length filter segment are in contact with the end portions of the tobacco segments to prepare a composite segment; (C) wrapping and integrating the composite section by using a piece of tipping paper to obtain a double-length smoking article; (D) and cutting the double-length smoking article at a central portion in the longitudinal direction thereof.
Description
Technical Field
The present invention relates to a method of manufacturing a smoking article.
Background
Smoking articles such as tobacco provided with a tobacco rod, a cooling section, and a filter section have been conventionally manufactured using a plurality of tipping papers. For example, patent document 1 discloses a production method including: step 1, arranging cooling parts at two ends of a tobacco rod, and wrapping and connecting the cooling parts by using first piece of tipping paper; a step 2 of cutting the tobacco rod at the center in the longitudinal direction thereof to form a pair of tobacco rod/cooling section sections; a step 3 of disposing them separately and disposing filter segments at the separating portions; and a step 4 of wrapping and joining the tobacco rod/cooler sections disposed at both ends of the filter section with a second tipping paper.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 2015-536678
Disclosure of Invention
Problems to be solved by the invention
In the method described in patent document 1, since a plurality of steps of connecting with tipping paper are included, there is a possibility that the rod may be damaged. In view of such circumstances, an object of the present invention is to provide a method for efficiently manufacturing a smoking article.
Means for solving the problems
The inventors have solved the above problem by setting the joining step with the tipping paper to one step. That is, the above problem is solved by the following invention.
[ mode 1] A method for manufacturing a smoking article including a tobacco rod, a cooling section, and a filter section, the method comprising:
(A) preparing a pair of tobacco sections including the tobacco rod and the cooling section abutting on an end thereof, and separately disposing the tobacco sections so that longitudinal axes of the tobacco rod and the cooling section are the same;
(B) preparing a double-length filter segment having a length twice that of the filter segment, and arranging the double-length filter segment in the separating portion so that both ends of the double-length filter segment are in contact with the end portions of the tobacco segments to prepare a composite segment;
(C) wrapping and integrating the composite section by using a piece of tipping paper to obtain a double-length smoking article;
(D) and cutting the double-length smoking article at a central portion in the longitudinal direction thereof.
[ mode 2] the production method according to mode 1, wherein the step (A) includes:
(A1) a step of disposing the pair of tobacco rods so that the longitudinal axes of the tobacco rods are the same;
(A2) preparing a double-length cooling section having a length twice that of the cooling section, and arranging the double-length cooling section in the separating portion such that both ends of the double-length cooling section are in contact with the end of the tobacco rod;
(A3) and cutting and separating the double-length cooling segment at a central portion in the longitudinal direction thereof, and disposing the pair of tobacco segments so that the longitudinal axes of the two segments are the same.
[ mode 3] the production method according to mode 1, wherein the step (A) includes:
(A1) a step of disposing the pair of tobacco rods so that the longitudinal axes of the tobacco rods are the same;
(a 2') preparing a separable double-length cooling section having a length twice that of the cooling section and having a central portion in the longitudinal direction thereof cut, and arranging the double-length cooling section in the separation portion such that both ends of the double-length cooling section come into contact with the end portions of the tobacco rod;
(a 3') separating the double-length cooling segment at the center portion, and disposing the pair of tobacco segments so that the longitudinal axes of the two segments are the same.
[ mode 4] the production method according to mode 1, wherein the step (A) includes:
(A1) a step of disposing the pair of tobacco rods so that the longitudinal axes of the tobacco rods are the same;
(a2 ") a pair of cooling sections are prepared, one end of each cooling section is arranged to abut against an end of the tobacco rod, and the other end is arranged to be separated from each other, and the pair of tobacco sections are arranged to be separated so that the longitudinal axes of the two sections are the same.
[ mode 5] the production method according to any one of modes 1 to 4, wherein the filter segment includes an acetate filter and a center hole filter.
[ mode 6] according to the manufacturing method described in any one of modes 1 to 5, the smoking article includes a tobacco rod, a cooling section, and a filter section in this order in a downstream direction.
[ mode 7] according to the manufacturing method described in any of modes 1 to 6, the diameter of the tobacco rod is larger than the diameter of the adjacent member.
[ means 8] according to the manufacturing method described in means 7, the diameter of the tobacco rod is 0.05 to 0.15mm larger than the diameter of the adjacent member.
[ means 9] according to the manufacturing method described in means 7, the diameter of the tobacco rod is 0.5 to 2.5% larger than the diameter of the adjacent member.
[ mode 10] according to the manufacturing method described in any one of modes 1 to 9, the rigidity of the member adjacent to the tobacco rod is greater than the rigidity of the tobacco rod.
[ mode 11] according to the manufacturing method described in any of modes 1 to 10, the cooling section includes a paper tube having a plurality of holes in a circumferential direction.
[ mode 12] according to the manufacturing method described in mode 11, the cooling section includes a paper tube, and the manufacturing method further includes a step of forming a plurality of holes in a circumferential direction of the paper tube by laser processing.
[ mode 13] the production method according to any one of modes 1 to 12, wherein the step (C) is performed by: preparing a precursor body in which a part of the tipping paper is bonded to the circumferential surface of the composite segment, disposing the precursor body between a rotating drum and a rotating handle provided so as to face the circumferential surface of the rotating drum, and rotating the precursor body on the circumferential surface of the rotating drum,
the rotary drum or the rotary handle has a recess for forming a gap between the tobacco rod and a portion thereof facing the tobacco rod.
[ means 14] A smoking article is provided with a tobacco rod having a diameter larger than that of an adjacent member, a cooling section, and a filter section.
[ means 15] the smoking article according to means 14, wherein the diameter of the tobacco rod is 0.05 to 0.15mm larger than the diameter of the adjacent member.
[ means 16] the smoking article according to means 14, wherein the diameter of the tobacco rod is 0.5 to 2.5% larger than the diameter of an adjacent member.
[ means 17] the smoking article according to any one of the means 14 to 16, wherein a rigidity of a section adjacent to the tobacco rod is greater than a rigidity of the tobacco rod.
Effects of the invention
By the present invention, a method of efficiently manufacturing a smoking article can be provided.
Drawings
Fig. 1 is a diagram showing an outline of a smoking article.
Fig. 2 is a view showing an embodiment of the production method of the present invention.
Fig. 3 is a view showing an embodiment of step (a) of the production method of the present invention.
Fig. 4 is a view showing another embodiment of the step (a) of the production method of the present invention.
Fig. 5 is a view showing still another embodiment of step (a) of the production method of the present invention.
Fig. 6 is a diagram illustrating a method of measuring rigidity.
FIG. 7 is a view showing an embodiment of an apparatus for carrying out the production method of the present invention.
Fig. 8 is a diagram showing an embodiment of the step (C).
Fig. 9 is a diagram showing an embodiment of the step (C).
Detailed Description
The present invention relates to a method for manufacturing a smoking article provided with a tobacco rod, a cooling section, and a filter section. The present invention will be described in detail below. In the present invention, X to Y include X and Y as the end values thereof.
1. Smoking article
The smoking article of the present invention is provided with a tobacco rod, a cooling section, and a filter section. Fig. 1(i) shows an aspect of the smoking article of the present invention. In the figure, 100 is a smoking article, 1 is a tobacco rod, 3 is a cooling section, 5 is a filter section, and 7 is tipping paper.
(1) Tobacco rod
The tobacco rod is a substantially cylindrical member for generating flavor components contained in a tobacco material, and includes a wrapping paper wound around a tobacco filler. The tobacco filler is not limited, and for example, cut tobacco, tobacco flakes, and the like can be used. Specifically, the rolled paper may be filled with cut tobacco obtained by cutting dried tobacco leaves into pieces having a width of 0.8 to 1.2 mm. Further, the dried tobacco leaves may be pulverized and homogenized to have an average particle diameter of about 20 to 200 μm, processed into a film, and then pulverized to have a width of 0.8 to 1.2mm and filled into the wrapping paper. Instead of cutting the film, the film may be pleated, folded, or formed into a spiral shape to be filled into the roll paper. The film may be cut into a rectangular shape, and the cut film may be concentrically filled into the wrapping paper or the rectangular shape may be filled into the wrapping paper so that the longitudinal direction of the film is parallel to the longitudinal direction of the tobacco rod.
The tobacco rod 1 may also generate aerosol with heating. To promote aerosol generation, it is preferable to add an aerosol source such as a polyhydric alcohol such as glycerin, propylene glycol, and 1, 3-butanediol to the tobacco filler. The amount of the aerosol source added is preferably 5 to 50 wt%, more preferably 10 to 30 wt%, based on the dry weight of the tobacco filler. In addition, the tobacco rod may also contain a flavorant such as menthol. The length of the tobacco rod 1 is not limited, but is preferably 15 to 25 mm. The diameter is not limited, but is preferably 6.5 to 7.5 mm. However, when the rigidity of the adjacent member is higher than the rigidity of the tobacco rod, the diameter of the tobacco rod is preferably larger than the diameter of the adjacent member. This is because the deformation of the tobacco rod can be reduced. From this viewpoint, the diameter of the tobacco rod is preferably 0.5 to 2.5% larger than the diameter of the adjacent member, and more preferably 1.0 to 2.0% larger. In actual dimensions, the diameter of the tobacco rod is preferably about 0.05 to 0.15mm larger than the diameter of the adjacent member. Examples of the adjacent members include a cooling section and a filter section.
The term "rigidity" as used herein means resistance to deformation of a member as disclosed in paragraphs 0010 to 0014 of Japanese patent laid-open publication No. 2016 and 523565. The stiffness can be determined from the change in diameter before and after the application of the load F to the side of the tobacco rod. In fig. 6, when the diameter of the tobacco rod before the load F is applied is denoted by Ds and the diameter after the load is applied is denoted by Dd, the amount of depression is denoted by d-Dd, and the rigidity is defined by the following equation. The same applies to other components.
Stiffness (%). Dd/Ds X100
(2) Cooling section
The cooling section is a means for cooling the flavor components, aerosol generated in the tobacco rod 1. The cooling section 3 may also be a hollow paper tube. The paper tube is preferably made of cardboard having higher rigidity than the roll paper and the tipping paper. The paper tube may also be provided with holes (ventilation). The openings are preferably provided in plural along the circumference of the paper tube. The apertures are preferably provided by laser machining the finished smoking article from a work efficiency standpoint. In the cooling section 3, a pleated sheet of rubber may be filled in order to improve the heat exchange efficiency. The size of the cooling section 3 is not limited, but the length is preferably 15 to 25mm and the diameter is preferably 5.5 to 7.5 mm. However, when the rigidity of the member adjacent to the cooling section 3 is lower than the rigidity of the cooling section 3, the diameter of the cooling section 3 is preferably 0.5 to 2.5% smaller, and preferably 1.0 to 2.0% smaller, than the diameter of the adjacent member. Generally, in the case where the cooling section 3 includes a paper tube made of cardboard, the rigidity of the section is higher than that of the tobacco rod.
(3) Filter segment
The filter segment is a member provided with a filter. As the filter, a known filter member such as an acetate filter or a filter paper can be used. The filter paper is a paper-filled filter prepared by folding paper with a crimping roll or the like and winding up the paper with a filter rod-winding paper. Acetate filters are filters filled with cellulose acetate fibers. As shown in fig. 1(ii), the filter segment 5 is preferably composed of a plurality of members, and more preferably includes a filter 51 and a center hole 53. As the center hole, for example, a hole having a space provided in the center portion of the acetate filter can be used. The length of the filter segment 5 is not limited, but is preferably 10 to 20 mm. When both the center hole and the acetate filter are disposed as the filter segments, the order thereof is not limited. Further, the respective components may be wrapped with filter plug wrap (filter inner wrapping material) and connected with filter plug wrap (filter outer wrapping material). The diameter of the filter section is not limited, but preferably has substantially the same diameter as the other sections of the tobacco rod. This is because breakage and wrinkles of the tipping paper can be suppressed.
(4) Tipping paper
Tipping paper refers to paper used to join two or more of a tobacco rod, a cooling section, and a filter section. On the other hand, the wrapping paper is paper for wrapping each member constituting the tobacco rod, the cooling section, or the filter section. For example, as described above, when the filter segment includes the center hole and the acetate filter, the paper wrapping the center hole and the paper wrapping the acetate filter are each roll paper.
The base paper used for the tipping paper and the wrapping paper is not limited, and a base paper using cellulose fibers can be cited. As such cellulose fibers, either plant-derived cellulose fibers or chemically synthesized cellulose fibers may be used, or a mixture thereof may be used. The plant-derived fibers may be pulp such as flax fibers, wood fibers, seed fibers, or unbleached colored unbleached pulp, but in order to provide a white clean appearance, it is preferable to use pulp that has been bleached with a bleaching agent such as an oxidizing agent or a reducing agent and then dried.
In the case of a roll paper for a general cigarette, an alkali metal citrate or the like is used as a general combustion regulator (combustion improver or the like) that can affect the natural combustion rate of the roll paper. In the present invention, it is preferable to use a heated smoking article rather than a combustion type, and in this case, since it is not necessary to burn the roll paper, the roll paper may not contain a combustion modifier.
The lower limit of the grammage of the roll paper is preferably 30g/m2Above, more preferably 35g/m2Above, more preferably 40g/m2The above. The upper limit is preferably 65g/m2Hereinafter, more preferably 50g/m2The following. Further, the lower limit of the grammage of the tipping paper is preferably 20g/m2Above, more preferably 25g/m2Above, more preferably 30g/m2The above. The upper limit is preferably 50g/m2Hereinafter, more preferably 45g/m2Hereinafter, it is more preferably 40g/m2The following. The grammage can be measured according to the method defined in JIS P8124.
2. Manufacturing method
Fig. 2 schematically shows this step. In the drawing, "w" represents a double length. For example 5w denotes a double length filter section.
(1) Process A
In this step, a pair of tobacco sections 10 including the tobacco rod 1 and the cooling section 3 in contact with the end portions thereof are prepared, and are disposed separately so that the longitudinal axes thereof are the same. The separation distance is preferably the length of the double length filter segment 5w used in the next process step. The step a may be performed arbitrarily, but is preferably performed through the following steps (fig. 3).
(A1) A step of disposing the pair of tobacco rods 1 so that the longitudinal axes thereof are the same,
(A2) preparing a double-length cooling section 3w having a length twice that of the cooling section 3, and arranging the double-length cooling section 3w in the separating portion such that both ends of the double-length cooling section 3w abut against the end of the tobacco rod 1,
(A3) and a step of cutting and separating the double-length cooling segment 3w at the center portion in the longitudinal direction thereof, and disposing the pair of tobacco segments 10 so that the longitudinal axes thereof are the same.
The manufacturing method of the present invention can be carried out using any apparatus, but is preferably carried out using an apparatus which includes a plurality of rollers as shown in fig. 7 and supplies the members from above, for example. One drum preferably has one function, rather than multiple functions. This is because the occurrence of defects can be reduced in high-speed manufacturing. For example, the step (a1) can be performed in the first block 81 in fig. 7. 81f is the feeding device of the tobacco rod 1, 81p is the take-out drum, and 81s is the separating drum. The pair of tobacco rods 1 supplied from the supply device 81f are transferred to a holding portion provided on the circumferential surface of the take-out drum 81 p. Subsequently, the pair of tobacco rods 1 are delivered to the separation drum 81s, transferred, and separated in the holding portion. The number of rollers having the supply, reception, transfer, or separation function may be one or more in each unit.
The step (a2) can be performed in the second unit 82 in fig. 7. 82f is a supply device of the double- length cooling section 3w, 82t is a transfer roller, 82p is a take-out roller, and 82a is a take-up roller. The pair of tobacco sections 1 arranged separately are passed to the transfer drum 82t as they are. On the other hand, the double-length cooling zone 3w supplied from the supply device 82f is delivered to a holding portion provided on the circumferential surface of the take-out drum 82p, and then delivered to the traction drum 82 a. At this time, in the separated portion of the pair of tobacco rods 1 disposed separately, both ends of the doubly long cooling section 3w are disposed to abut against the end portions of the tobacco rods 1.
The step (a3) can be performed in the third unit 83 in fig. 7. 83c is a cutter drum, 83 c' is a cutter, 83s is a separator drum. The sections provided with the pair of tobacco rods 1 at both ends of the double length cooling section 3w are passed to the cutter drum 83c, and cut by the cutter 83 c' at the central portion in the longitudinal direction of the double length cooling section 3 w. Thereafter, the segment is handed over to the separation roller 83s and separated.
The step a is preferably performed through the following steps (fig. 4).
(A1) A step of disposing the pair of tobacco rods 1 so that the longitudinal axes of the tobacco rods are the same;
(a2 ') preparing a separable double-length cooling section 3 w' having a length twice that of the cooling section 3 and having a central portion cut off in the longitudinal direction, the double-length cooling section 3w being disposed in the separation portion such that both ends of the double-length filter section 5w of the double-length cooling section 3w abut against the end portions of the tobacco rod 1;
(a 3') a step of separating the double-length cooling zone 3w at the center portion and disposing the pair of tobacco zones 10 so that the longitudinal axes of the two zones are the same.
In this method, since the double-length cooling zone 3w 'cut in advance is used in the step (a 2'), there is an advantage that a cutting failure can be avoided even if the cooling zone is made of a material that is difficult to cut. In addition, the use of double-length sections cut in advance has the advantage that the overall length of the machine for carrying out the method can be reduced.
The step a is preferably performed through the following steps (fig. 5).
(A1) A step of disposing the pair of tobacco rods 1 so that the longitudinal axes of the tobacco rods are the same, and
(a2 ") preparing a pair of cooling sections 3, each of which is arranged such that one end portion of each cooling section is in contact with an end portion of the tobacco rod 1 and the other end portion is separated from each other, and arranging the pair of tobacco sections 10 so that the longitudinal axes of the two sections are the same.
In this method, since the separation distance of the tobacco rod in the step (a1) is long, the number of times the tobacco rod is moved can be reduced. Therefore, there is an advantage that damage to the tobacco rod can be avoided at the time of high-speed manufacturing or the like.
In addition to the above, since the step a is performed after the respective members are arranged and then cut, the apparatus for carrying out the method has an advantage that the height of the apparatus main body can be reduced. For example, when the device is used, in the case of cutting before the component is placed, a roller for cutting the component needs to be provided above a roller for transferring the component. As a result, a cutting drum needs to be added in the height direction of the apparatus, and the apparatus main body becomes high. However, since the step a is performed after the components are arranged, the height of the apparatus main body can be reduced.
(2) Step B
In this step, a double length filter segment 5w having a length twice that of the filter segment 5 is prepared, and the double length filter segment 5w is disposed in the separation portion so that both ends thereof abut on the end portions of the tobacco segments 1, thereby preparing a composite segment.
This step can be performed in the fourth unit 84 of fig. 7. In the figure, 84f is a supply of double length filter segments 5w, 84p is a take-off roller, and 84a is a pulling roller. The section prepared in the third unit 83 is handed over to the pulling roll 84 a. On the other hand, the double-length filter segment 5w supplied from the supply device 84f is passed to a holding portion provided on the circumferential surface of the take-out roller 84p, and then passed to the pulling roller 84 a. At this time, the separated portions of the pair of tobacco sections 10 disposed separately are disposed such that both ends of the double length filter section 5w abut against the end portions of the tobacco sections 10, forming the composite section 90.
(3) Step C
In this step, the composite segment is wrapped with a piece of tipping paper 7 and integrated to obtain a double-length smoking article 100 w. As the tipping paper, paper commonly used in this field can be used. The tipping paper may be coated with a known adhesive whereby the composite segments in the separable state are integrated into an inseparable state. At this point, the tipping paper 7 need not cover the entire extent of the tobacco rod 1. When the length of the tobacco rod 1 is X, the cover region of the tipping paper 7 is preferably a region starting from the joint surface between the tobacco rod 1 and the cooling zone 3 and ending at 0.2X to 0.4X in the longitudinal direction of the tobacco rod 1. If the coverage area of the tipping paper 7 is within this range, there is an advantage that the thermal conductivity can be improved when the tobacco rod 1 is heated from the outside.
In the conventional method, a plurality of pieces of tipping paper are required because the segment is wrapped with the tipping paper every time a plurality of components are combined to prepare the segment. However, in the present invention, since the composite section of one piece of tipping paper is wrapped, it is possible to avoid a step in the product resulting from the use of a plurality of pieces of tipping paper, and it is possible to reduce the rate of defective products in manufacturing.
This step can be performed in the fifth unit 85 of fig. 7. In the figure, 85f denotes a supply device for the tipping paper 7, 85t denotes a feed roller, 85r denotes a rotary roller, and 85h denotes a rolling hand. The rotary drum is a drum having a holding portion for holding a member on a circumferential surface thereof and a holding portion for allowing the member such as a segment to rotate on its longitudinal center axis. The rotating handle refers to a mechanism disposed opposite to the circumferential surface of the rotating drum for forming a gap with a certain distance therebetween. The composite section 90 is handed over to the transfer roller 85t and then to the rotating roller 85 r. On the other hand, a part of the tipping paper 7 supplied from the supply device 85f is bonded to the circumferential surface of the segment on the rotating drum 85r to form a precursor 92 (see fig. 8). The precursor 92 is provided with tipping paper 7 adhered to the composite section 90 as a flag. That is, a portion of the tipping paper 7 is adhered to the circumferential face of the composite segment 90, but the other portion is free. The front body 92 is transferred to a gap formed between the rotary drum 85r and the rotary handle 85h by a holding portion fixed to the circumferential surface of the rotary drum 85r by suction or the like. When passing through the gap, the entire circumferential surface of the front body 92 is wrapped with the tipping paper 7 to form a double-length smoking article 100w (see fig. 8).
As previously mentioned, in the present invention it is preferred that the tobacco rod 1 has a larger diameter than the cooling section 3 adjacent thereto. In this case, if the surfaces of the rotary drum 85r and the rotary handle 85h are flat, the surfaces will contact the tobacco rod 1 excessively (fig. 9(1)), and thus a so-called tip drop (japanese: first drop ち) occurs in which the filler drops by applying an impact to the tobacco rod 1. Further, twisting due to the difference in circumference occurs, and a defect such as a wrinkle occurs in the product. Therefore, in the present invention, it is preferable that, as shown in fig. 9(2) and (3), a concave portion is provided on the surface of the rotary drum 85r or the rotary handle 85h facing the tobacco rod 1, and a gap is formed between the tobacco rod 1 and the concave portion. Although fig. 9(2) and (3) show a mode in which a concave portion is provided in the rotary handle 85h, the concave portion may be provided in the rotary drum 85r, or may be provided in both. The depth of the recess (T in FIGS. 9(2) and (3)) can be adjusted as appropriate, but is preferably 0.05 to 0.15 mm. The recess need not be provided on the entire surface of the surface facing the tobacco rod 1. As shown in fig. 9, the concave portion may be provided in a part of the surface facing the tobacco rod 1. However, in order to reliably bond the tobacco rod to the tipping paper for other members, it is preferable that no recess be present in the vicinity of the boundary between the two members.
(4) Step D
In this step, the double-length smoking article 100w is cut at the central portion in the longitudinal direction thereof. Through this process, a pair of smoking articles 100 can be manufactured. The present step may further include a step of inverting one of the smoking articles 100 to align the directions of the two smoking articles 100.
This step can be performed in the sixth unit 86 of fig. 7. In the figure 86c is the cutter drum, 86 c' is the cutter, 86a is the traction drum. The double-length smoking article 100w is delivered to the cutter drum 86c, and cut at the center in the longitudinal direction thereof, to form the smoking article 100. The smoking article 100 is handed over to the traction drum 86a, separated and exits as a product.
In the present invention, even when another member having a smaller diameter than the tobacco rod is disposed adjacent to the tobacco rod, problems such as rotation jamming can be avoided, and thus a satisfactory rotation can be performed. Further, since one piece of tipping paper is used, it is also advantageous in terms of cost. In addition, in the conventional method using a plurality of tipping papers, since the smoking article has a step, it is necessary to cope with such a step in the drum.
Examples
[ example 1]
The following components were prepared.
Tobacco rod with diameter of 7.0mm and length of 20.0mm (manufactured by Nippon tobacco industries Co., Ltd.)
As a cooling section, a double length paper tube with a diameter of 6.9mm and a length of 40.0mm was used
Double length filter section consisting of 6.9mm diameter central hole (8.0 mm)/double length acetate filter (14.0 mm)/central hole (8.0mm)
24.0mm 80.0mm tipping paper
The pair of tobacco rods are arranged so as to be separated from each other so that the longitudinal axes thereof are the same (step a 1). A double-length paper tube is inserted into the separating portion (step a 2). At this point, both ends of the double length cooling section abut the ends of the tobacco rod. The double-length cooling segment is cut at the center in the longitudinal direction thereof and separated, and the pair of tobacco segments are arranged so that the longitudinal axes of the two segments are the same (step a 3). A double length filter section is inserted into the separation portion. At this time, both ends of the double length filter segment are in contact with the end of the paper tube (step B). The composite segment thus obtained is wrapped with a piece of tipping paper and integrated to obtain a double-length smoking article (step C). The double-length smoking article is cut at the central portion in the longitudinal direction thereof to obtain two smoking articles (step D).
Description of the reference numerals
1 tobacco rod
3 cooling section
3w double length cooling section
3 w' separable double length cooling section
5 Filter segment
5w double length filter segment
51 acetate filter
53 center hole
7 tipping paper
10 tobacco section
80 manufacturing device
81 first unit
81f supply device
81s separating roller
82 second unit
82f supply device
82t transfer roller
82p take-out roller
82a traction roller
83 third unit
83c cutter drum
83 c' cutter
84 fourth unit
84f supply device
84p take-out roller
84a traction roller
85 fifth Unit
85f tipping paper supply device
85t transfer roller
85r rotary drum
85h rotating handle
86 sixth Unit
86c cutter drum
86 c' cutter
86a traction roller
90 composite section
92 precursor
100 smoking article
100w double length smoking article
Claims (17)
1. A method of manufacturing a smoking article having a tobacco rod, a cooling section, and a filter section, the method comprising:
(A) preparing a pair of tobacco sections including the tobacco rod and the cooling section abutting on an end thereof, and separately disposing the tobacco sections so that longitudinal axes of the tobacco rod and the cooling section are the same;
(B) preparing a double-length filter segment having a length twice that of the filter segment, and arranging the double-length filter segment in the separating portion so that both ends of the double-length filter segment are in contact with the end portions of the tobacco segments to prepare a composite segment;
(C) wrapping and integrating the composite section by using a piece of tipping paper to obtain a double-length smoking article;
(D) and cutting the double-length smoking article at a central portion in the longitudinal direction thereof.
2. The method of manufacturing a smoking article according to claim 1,
the step (A) includes:
(A1) a step of disposing the pair of tobacco rods so that the longitudinal axes of the tobacco rods are the same;
(A2) preparing a double-length cooling section having a length twice that of the cooling section, and arranging the double-length cooling section in the separating portion such that both ends of the double-length cooling section are in contact with the end of the tobacco rod;
(A3) and cutting and separating the double-length cooling segment at a central portion in the longitudinal direction thereof, and disposing the pair of tobacco segments so that the longitudinal axes of the two segments are the same.
3. The method of manufacturing a smoking article according to claim 1,
the step (A) includes:
(A1) a step of disposing the pair of tobacco rods so that the longitudinal axes of the tobacco rods are the same;
(a 2') preparing a separable double-length cooling section having a length twice that of the cooling section and having a central portion in the longitudinal direction thereof cut, and arranging the double-length cooling section in the separation portion such that both ends of the double-length cooling section come into contact with the end portions of the tobacco rod;
(a 3') separating the double-length cooling segment at the center portion, and disposing the pair of tobacco segments so that the longitudinal axes of the two segments are the same.
4. The method of manufacturing a smoking article according to claim 1,
the step (A) includes:
(A1) a step of disposing the pair of tobacco rods so that the longitudinal axes of the tobacco rods are the same;
(a2 ") a pair of cooling sections are prepared, one end of each cooling section is arranged to abut against an end of the tobacco rod, and the other end is arranged to be separated from each other, and the pair of tobacco sections are arranged to be separated so that the longitudinal axes of the two sections are the same.
5. The method of manufacturing a smoking article according to any one of claims 1 to 4,
the filter segment is provided with an acetate filter and a center hole filter.
6. The method of manufacturing a smoking article according to any one of claims 1 to 5,
the smoking article is provided with a tobacco rod, a cooling section, and a filter section in this order in a downstream direction.
7. The method of manufacturing a smoking article according to any one of claims 1 to 6,
the tobacco rod has a diameter greater than the diameter of the adjoining component.
8. The method of manufacturing a smoking article according to claim 7,
the diameter of the tobacco rod is 0.05-0.15 mm larger than that of the adjacent part.
9. The method of manufacturing a smoking article according to claim 7,
the diameter of the tobacco rod is 0.5-2.5% larger than the diameter of the adjacent part.
10. The method of manufacturing a smoking article according to any one of claims 1 to 9,
the stiffness of the part adjoining the tobacco rod is greater than the stiffness of the tobacco rod.
11. The method of manufacturing a smoking article according to any one of claims 1 to 10,
the cooling section is provided with a paper tube having a plurality of openings in a circumferential direction.
12. The method of manufacturing a smoking article according to claim 11,
the cooling section includes a paper tube, and the manufacturing method further includes a step of forming a plurality of holes in a circumferential direction of the paper tube by laser processing.
13. The method of manufacturing a smoking article according to any one of claims 1 to 12,
the step (C) is carried out as follows: preparing a precursor body in which a part of the tipping paper is bonded to the circumferential surface of the composite segment, disposing the precursor body between a rotating drum and a rotating handle provided so as to face the circumferential surface of the rotating drum, and rotating the precursor body on the circumferential surface of the rotating drum,
the rotary drum or the rotary handle has a recess for forming a gap between the tobacco rod and a portion thereof facing the tobacco rod.
14. A smoking article is characterized by comprising a tobacco rod, a cooling section and a filter section, wherein the diameter of the tobacco rod is larger than that of an adjacent component.
15. The smoking article of claim 14,
the diameter of the tobacco rod is 0.05-0.15 mm larger than that of the adjacent part.
16. The smoking article of claim 14,
the diameter of the tobacco rod is 0.5-2.5% larger than the diameter of the adjacent part.
17. The smoking article of any one of claims 14 to 16,
the stiffness of the section adjoining the tobacco rod is greater than the stiffness of the tobacco rod.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2018/037320 WO2020070868A1 (en) | 2018-10-05 | 2018-10-05 | Production method for smoking article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112839531A true CN112839531A (en) | 2021-05-25 |
Family
ID=70055375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880098430.8A Pending CN112839531A (en) | 2018-10-05 | 2018-10-05 | Method of manufacturing smoking article |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3861867A4 (en) |
| JP (1) | JP7469230B2 (en) |
| CN (1) | CN112839531A (en) |
| WO (1) | WO2020070868A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2020070868A1 (en) | 2021-10-14 |
| JP7469230B2 (en) | 2024-04-16 |
| EP3861867A1 (en) | 2021-08-11 |
| EP3861867A4 (en) | 2022-09-28 |
| WO2020070868A1 (en) | 2020-04-09 |
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