Classifications

• • 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
  • A24C5/46—Making paper tubes for cigarettes
• • 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
  • A24C5/005—Treatment of cigarette paper
  • A24C5/007—Perforating
• • 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
  • A24C5/14—Machines of the continuous-rod type
  • A24C5/24—Pasting the seam
• • 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
  • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
  • A24D3/02—Manufacture of tobacco smoke filters
• • 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
  • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
  • A24D3/02—Manufacture of tobacco smoke filters
  • A24D3/025—Final operations, i.e. after the filter rod forming process
  • A24D3/0258—Means for making grooves
• • 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
  • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
  • A24D3/04—Tobacco smoke filters characterised by their shape or structure
• • 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
  • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
  • A24D3/04—Tobacco smoke filters characterised by their shape or structure
  • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution

Definitions

• the present invention relates to a cylindrical body.
• a two-layered small tube body (cylindrical body) manufactured from first and second material strip portions is known (for example, see Patent Document 1).
• This two-layered small tube body can be applied, for example, to a flavor-generating article used in a non-combustible flavor inhaler for inhaling flavor without burning the material, or to a combustion-type smoking article.
• the second material strip portion is arranged around the first material strip portion, and the abutting edges of the first and second material strip portions are circumferentially mutually disposed. It is wound so that the position is shifted. Further, in this small tube body, a positioning adhesive and a seam adhesive (together referred to as adhesive) are applied between the first material strip portion and the second material strip portion on the entire surface or , located almost on the entire surface.
• the small tube described in Patent Document 1 When applying the small tube described in Patent Document 1 to a flavor-producing article or a smoking article, the small tube is incorporated into a semi-finished product of the flavor-generating article or smoking article, and then laser is applied from the outer circumference of the small tube toward the inner circumference.
• vent holes By irradiating the light beam and burning the material at the irradiated location, vent holes can be formed that penetrate the small tube body intermittently over the entire circumference in the circumferential direction.
• the adhesive is provided on the entire surface or almost the entire surface between the first material strip portion and the second material strip portion. Therefore, when forming the ventilation holes, there is a risk that the combustion ash of the adhesive may clog the ventilation holes.
• the paper that makes up the tubules is made of, for example, organic wood pulp (nearly pure cellulose from which lignin, hemicellulose, etc. contained in trees have been removed) and an inorganic filler (calcium carbonate).
• the combustion ash produced by irradiation with light is mainly composed of calcium carbonate.
• adhesives are, for example, mixtures of organic polymers such as modified starch, vinyl acetate, or ethylene vinyl acetate, alcohols, and water, and are made of a mixture of organic polymers such as modified starch, vinyl acetate, or ethylene vinyl acetate, alcohols, and water. is mixed with organic polymers left over from combustion.
• the combustion ash in vents formed in areas where adhesive has been applied is a mixture of calcium carbonate and organic polymers
• the combustion ash in vents formed in areas where adhesive has not been applied is a mixture of calcium carbonate and organic polymers. It is more sticky than the main combustion ash and tends to clog vents.
• the present invention has been made to solve at least a part of the above-mentioned problems, and it is possible to prevent the combustion ash of the adhesive from clogging the vent when the vent is formed.
• the purpose is to obtain a cylindrical body.
• a cylindrical body in the first form of the present invention, includes a first sheet-like material whose cross-sectional shape perpendicular to the axial direction is circular or elliptical; an adhesive layer that is provided between the first sheet material and the second sheet material and adheres the first sheet material and the second sheet material to each other; a plurality of ventilation holes formed in the circumferential direction of the cylindrical body through the second sheet-like material and the second sheet-like material, the plurality of ventilation holes having at least one adhesive layer exposed on the inner surface of the hole of the ventilation hole; It has one first vent hole and at least one second vent hole in which the adhesive layer is not exposed on the inner surface of the vent hole.
• the plurality of vent holes include at least one first vent hole in which the adhesive layer is exposed on the inner surface of the vent hole, and at least one first vent hole in which the adhesive layer is not exposed on the inner surface of the vent hole.
• the first sheet-like material and the second sheet-like material are stacked so that their ends in the circumferential direction do not overlap each other, and the first sheet-like material is It has a first body part and a first extension part extending from the first body part in the circumferential direction with respect to the opposing second sheet-like material, and the second sheet-like material is connected to the second body part. , a second extending portion extending from the second body portion in the circumferential direction with respect to the opposing first sheet material, and the adhesive layer adheres the first body portion and the second body portion to each other.
• the positioning adhesive layer has a positioning adhesive layer that adheres the first extension part and the second extension part to each other, and the positioning adhesive layer has an adhesive pattern in which positioning glue is applied in a linear manner.
• the positioning adhesive layer that adheres the first body part of the first sheet-like material and the second body part of the second sheet-like material to each other has a positioning glue applied in a linear manner.
• the amount of adhesive applied can be reduced compared to the case where the positioning adhesive layer is provided on the entire surface.
• the positioning glue is applied in the form of two or more lines.
• the positioning adhesive layer has an adhesive pattern in which two or more linear positioning adhesives are applied. The amount of coating can be reduced.
• the positioning adhesive layer has an adhesive pattern in which two or more linear positioning adhesives are applied. The amount of coating can be reduced.
• the positioning glue is applied in a straight line parallel to the axial direction.
• the positioning adhesive layer has an adhesive pattern in which positioning glue is applied in two or more straight lines parallel to the axial direction, compared to a case where the positioning adhesive layer is provided on the entire surface. As a result, the amount of adhesive applied can be reduced.
• the positioning glue is applied in a straight line perpendicular to the axial direction.
• the positioning adhesive layer has an adhesive pattern in which positioning glue is applied in two or more straight lines perpendicular to the axial direction, so that the positioning adhesive layer is provided on the entire surface.
• the amount of adhesive applied can be reduced compared to
• the positioning glue is applied in a spiral along the axial direction.
• the positioning adhesive layer has an adhesive pattern in which the positioning adhesive is applied spirally along the axial direction, so that the positioning adhesive layer has an adhesive pattern that is coated spirally along the axial direction.
• the amount of agent applied can be reduced.
• the first sheet-like material and the second sheet-like material are each paper.
• the workability of the cylindrical body can be improved by forming the first sheet-like material and the second sheet-like material from paper, respectively.
• the number of vents in the plurality of vents is 12 or more and 30 or less.
• the ninth aspect of the present invention by setting the number of vent holes in the plurality of vent holes to 12 or more and 30 or less, sufficient air can be introduced into the interior while the vent holes are provided at the location where the adhesive layer is provided. By reducing the probability of formation, it is possible to prevent adhesive combustion ash from clogging the ventilation holes.
• the number of vent holes in the plurality of vent holes is 21 or less.
• the tenth aspect of the present invention by setting the number of ventilation holes in the plurality of ventilation holes to 12 or more and 21 or less, sufficient air can be introduced into the interior, and the ventilation holes can be formed at the location where the adhesive layer is provided. By reducing the probability of formation, it is possible to prevent adhesive combustion ash from clogging the ventilation holes.
• the number of air holes in the first air hole is six or less in any of the first form to the tenth form.
• the ventilation hole can be formed at the location where the adhesive layer is provided while introducing sufficient air into the interior. This reduces the probability that adhesive combustion ash will clog the ventilation holes.
• the ratio of the number of ventilation holes in the first ventilation hole to the total number of ventilation holes in the plurality of ventilation holes is less than 1/4. be.
• the ratio of the number of ventilation holes in the first ventilation hole to the total number of ventilation holes in the plurality of ventilation holes is less than 1/4, sufficient air can be introduced into the interior. , it is possible to reduce the probability that a vent hole will be formed at a location where the adhesive layer is provided, and to prevent the combustion ash of the adhesive from clogging the vent hole.
• the plurality of ventilation holes are formed in two or more rows along the axial direction.
• the thirteenth aspect of the present invention by forming two or more rows of the plurality of ventilation holes along the axial direction, more air can be brought into the interior than when a plurality of ventilation holes are formed in one row. can be introduced.
• FIG. 1 is a sectional view showing a flavor-generating article to which a cylindrical body according to an embodiment of the present invention is applied.
• FIG. 1 is a perspective view showing a cylindrical body according to an embodiment of the present invention.
• 3 is a cross-sectional view of the cylindrical body taken along arrow II shown in FIG. 2.
• FIG. FIG. 4 is a cross-sectional view of the cylindrical body of FIG. 3 expanded in the circumferential direction.
• FIG. 2 is a developed view showing a second sheet-like material of a cylindrical body according to an embodiment of the present invention.
• FIG. 7 is another developed view showing the second sheet-like material of the cylindrical body according to one embodiment of the present invention.
• FIG. 7 is another developed view showing the second sheet-like material of the cylindrical body according to one embodiment of the present invention.
• FIG. 1 is a sectional view showing a flavor-generating article to which a cylindrical body according to an embodiment of the present invention is applied.
• FIG. 1 is a perspective view showing a cylindrical body according
• FIG. 7 is another developed view showing the second sheet-like material of the cylindrical body according to one embodiment of the present invention.
• 1 is a configuration diagram showing an apparatus for manufacturing a cylindrical body according to an embodiment of the present invention.
• FIG. 2 is an explanatory diagram showing experimental results of humidification conditions in a cylindrical body manufacturing apparatus according to an embodiment of the present invention.
• FIG. 3 is an explanatory diagram showing humidification conditions for each adhesive pattern in the cylindrical body manufacturing apparatus according to an embodiment of the present invention. It is an explanatory view showing the amount of adhesive applied in a cylindrical body according to an embodiment of the present invention in comparison with a conventional product.
• FIG. 2 is an explanatory diagram showing various physical properties of a cylindrical body according to an embodiment of the present invention in comparison with a standard product and a conventional product.
• the cylindrical body according to the present invention can be applied, for example, to a flavor-generating article used in a non-combustion type flavor inhaler for inhaling flavor and the like without burning the material. Note that the cylindrical body according to the present invention may be applied to a combustion type smoking article.
• FIG. 1 is a sectional view showing a flavor-producing article to which a cylindrical body according to an embodiment of the present invention is applied.
• flavor generating article 10 includes a tobacco-containing segment 11 and a mouthpiece segment 12.
• Mouthpiece segment 12 includes a cooling segment 13, a center hole segment 14, and a filter segment 15.
• the tobacco-containing segment 11 is heated and suction is applied from the end of the filter segment 15.
• the position of the center hole segment 14 is not limited to the position shown in FIG. 1, and for example, the positions of the center hole segment 14 and the filter segment 15 may be exchanged.
• the center hole segment 14 may be omitted.
• the tobacco-containing segment 11 has a tobacco filler 210 containing tobacco and an aerosol source, and a cylindrical wrapper 220 that covers the tobacco filler 210.
• Tobacco fill 210 may further include volatile flavor ingredients, water, and the like. There are no particular restrictions on the size of the tobacco used as the filler or the method for preparing it.
• the cooling segment 13 is composed of a cylindrical body 100.
• a plurality of ventilation holes 140 are formed in the cylindrical body 100 and the mouthpiece lining paper 400 (to be described later) concentrically in the circumferential direction of the cylindrical body 100 and penetrating through the wall surfaces of both.
• the ventilation hole 140 is a hole for promoting the inflow of air from the outside by the user's suction, and this inflow of air cools the aerosol generated in the tobacco filling 210 and reduces the aerosol concentration.
• the diameter (cross-length) of the ventilation hole 140 is not particularly limited, but may be, for example, 0.5 mm to 1.5 mm.
• the center hole segment 14 is composed of a filling layer 310 having a hollow portion and a first inner plug wrapper 320 covering the filling layer 310.
• the filling layer 310 can be, for example, a rod filled with cellulose acetate fibers at high density and hardened by adding a plasticizer containing triacetin.
• the diameter of the hollow portion is not particularly limited, but may be, for example, 1.0 mm to 5.0 mm. Since the packed bed 310 has a high packing density of fibers, air and aerosol flow only through the hollow portion during suction, and hardly flow inside the packed bed 310. Since the filling layer 310 has a hollow portion, it is possible to reduce the amount of aerosol containing flavor components generated by heating the flavor-generating article 10 that is filtered.
• the filter segment 15 includes a filter medium 330 and a cylindrical second inner plug wrapper 340 that surrounds the filter medium 330.
• Filter media 330 may be a solid plug filled with porous material. Since the filter segment 15 has a solid plug, it is possible to filter the aerosol containing flavor components generated by heating the flavor-generating article 10 and appropriately adjust the amount of aerosol delivered.
• the center hole segment 14 and the filter segment 15 are connected to each other by an outer plug wrapper 350.
• the outer plug wrapper 350 may be, for example, cylindrical paper.
• the tobacco-containing segment 11, the cooling segment 13, the connected center hole segment 14, and the filter segment 15 are wrapped with mouthpiece lining paper 400 coated with a glue such as vinyl acetate glue on the inner surface. are connected to each other by
• FIG. 2 is a perspective view showing a cylindrical body according to an embodiment of the present invention.
• FIG. 3 is a cross-sectional view of the cylindrical body taken along arrow II shown in FIG.
• FIG. 4 is a cross-sectional view of the cylindrical body shown in FIG. 3 expanded in the circumferential direction.
• the cylindrical body 100 includes a first sheet material 110, a second sheet material 120, an adhesive layer 130, and a ventilation hole 140.
• the first sheet-like material 110 and the second sheet-like material 120 have a circular cross-sectional shape perpendicular to the axial direction.
• the second sheet-like material 120 is provided around the outer periphery of the first sheet-like material 110.
• the adhesive layer 130 is provided between the first sheet material 110 and the second sheet material 120, and adheres the first sheet material 110 and the second sheet material 120 to each other.
• the first sheet material 110 and the second sheet material 120 may each be composed of paper or cardboard. Therefore, the workability of the cylindrical body 100 can be improved. Note that the first sheet-like material 110 and the second sheet-like material 120 may have an elliptical cross-sectional shape perpendicular to the axial direction.
• the first sheet-like material 110 and the second sheet-like material 120 are stacked on top of each other so that their ends in the circumferential direction do not overlap.
• the first sheet material 110 has a first body portion 111 and a first extension portion 112 that extends from the first body portion 111 in the circumferential direction with respect to the opposing second sheet material 120 .
• the first main body portion 111 is a portion facing the second sheet material 120 in FIG. 4 .
• the second sheet material 120 has a second main body portion 121 and a second extending portion 122 that extends from the second main body portion 121 in the circumferential direction with respect to the opposing first sheet material 110.
• the second main body portion 121 is a portion facing the first sheet-like material 110 in FIG.
• the adhesive layer 130 includes a positioning adhesive layer 131 and a first seam adhesive layer 132 that adhere the first body part 111 and the second body part 121 to each other, and a positioning adhesive layer 131 and a first seam adhesive layer 132 that adhere the first body part 111 and the second body part 121 to each other. It has a second seam adhesive layer 133 (seam adhesive layer) to be adhered. Note that the first seam adhesive layer 132 does not necessarily need to be provided, and the positioning adhesive layer 131 may function as the first seam adhesive layer 132.
• the positioning adhesive layer 131, the first seam adhesive layer 132, and the second seam adhesive layer 133 may be composed of a mixture of organic polymers such as modified starch, vinyl acetate, or ethylene vinyl acetate, alcohol, and water. Note that the positioning adhesive layer 131, the first seam adhesive layer 132, and the second seam adhesive layer 133 are not limited to those described above, and may be made of other adhesives.
• the cylindrical body 100 is formed by coating a positioning adhesive layer 131, a first seam adhesive layer 132, and a second seam adhesive layer 133 on the second sheet-like material 120, and stacking the first sheet-like material 110 on top of the second sheet-like material 120. It is formed and configured.
• the positioning adhesive layer 131 applied to the second sheet material 120 has an adhesive pattern in which positioning glue (adhesive) is applied in a linear manner. Note that instead of the second sheet material 120, a positioning adhesive layer 131, a first seam adhesive layer 132, and a second seam adhesive layer 133 may be applied to the first sheet material 110.
• a plurality of ventilation holes 140 are formed in the circumferential direction of the cylindrical body 100, passing through the first sheet material 110 and the second sheet material 120.
• the positioning adhesive layer 131 applied to the second sheet-like material 120 has an adhesive pattern in which positioning glue (adhesive) is applied in a linear manner
• the plurality of ventilation holes 140 are formed in the adhesive layer 130.
• the vent hole 140 has a first vent hole 141 exposed to the inner surface of the vent hole 140 and a second vent hole 142 in which the adhesive layer 130 is not exposed to the inner surface of the vent hole 140 .
• the first ventilation hole 141 penetrates the first sheet material 110 and the second sheet material 120 together with any one of the positioning adhesive layer 131, the first seam adhesive layer 132, and the second seam adhesive layer 133. It is formed by Further, the second ventilation hole 142 is located at a location where none of the positioning adhesive layer 131, the first seam adhesive layer 132, and the second seam adhesive layer 133 are provided, It is formed by penetrating the
• the plurality of vent holes 140 include at least one first vent hole 141 in which the adhesive layer 130 is exposed to the inner surface of the vent hole 140 and at least one first vent hole 141 in which the adhesive layer 130 is not exposed to the inner surface of the vent hole 140.
• the second vent hole 142 By having the second vent hole 142, the probability that the vent hole 140 is formed at the location where the adhesive layer 130 is provided is reduced, and the combustion ash of the adhesive is prevented from clogging the vent hole 140. be able to. As a result, deterioration in quality of the flavor-producing article 10 to which the cylindrical body 100 is applied can be suppressed.
• FIG. 5 is a developed view showing the second sheet-like material of the cylindrical body according to an embodiment of the present invention.
• the second sheet material 120 has a positioning adhesive layer 131 coated with two positioning glues in a straight line parallel to the axial direction.
• the positioning adhesive layer 131 has an adhesive pattern in which two positioning adhesives are applied in a straight line parallel to the axial direction, the adhesive The amount of coating can be reduced. Furthermore, it is possible to reduce the probability that the vent hole 140 will be formed at a location where the adhesive layer 130 is provided, and to prevent the combustion ash of the adhesive from clogging the vent hole 140.
• FIG. 6 is another developed view showing the second sheet-like material of the cylindrical body according to one embodiment of the present invention. As shown in FIG. 6, the second sheet-like material 120 has a positioning adhesive layer 131 on which positioning glue is applied spirally along the axial direction.
• the positioning adhesive layer 131 has an adhesive pattern in which the positioning adhesive is applied spirally along the axial direction, the amount of adhesive applied can be reduced compared to the case where the positioning adhesive layer is provided on the entire surface. can be reduced. Furthermore, it is possible to reduce the probability that the vent hole 140 will be formed at a location where the adhesive layer 130 is provided, and to prevent the combustion ash of the adhesive from clogging the vent hole 140.
• FIG. 7 is another developed view showing the second sheet material of the cylindrical body according to an embodiment of the present invention.
• the second sheet material 120 has a positioning adhesive layer 131 coated with three positioning glues in a straight line parallel to the axial direction.
• the positioning adhesive layer 131 has an adhesive pattern in which three positioning adhesives are applied in a straight line parallel to the axial direction, the adhesive The amount of coating can be reduced. Furthermore, it is possible to reduce the probability that the vent hole 140 will be formed at a location where the adhesive layer 130 is provided, and to prevent the combustion ash of the adhesive from clogging the vent hole 140.
• FIG. 8 is another developed view showing the second sheet material of the cylindrical body according to an embodiment of the present invention.
• the second sheet material 120 has a positioning adhesive layer 131 coated with three positioning glues in a straight line perpendicular to the axial direction. Note that two or more positioning glues may be applied.
• the positioning adhesive layer 131 has an adhesive pattern in which three positioning glues are applied in a straight line perpendicular to the axial direction, compared to the case where the positioning adhesive layer is provided on the entire surface, The amount of adhesive applied can be reduced. Furthermore, it is possible to reduce the probability that the vent hole 140 will be formed at a location where the adhesive layer 130 is provided, and to prevent the combustion ash of the adhesive from clogging the vent hole 140.
• the number of ventilation holes 140 in the plurality of ventilation holes 140 is preferably 12 or more and 30 or less, and more preferably 21 or less.
• the ventilation holes 140 can be formed at the location where the adhesive layer 130 is provided while introducing sufficient air into the interior. By reducing the probability of formation, it is possible to prevent adhesive combustion ash from clogging the vent hole 140.
• the number of first ventilation holes 141 is preferably six or less. By setting the number of first ventilation holes 141 to six or less, sufficient air can be introduced into the interior, while reducing the probability that the ventilation holes 140 will be formed at the location where the adhesive layer 130 is provided. It is possible to prevent combustion ash from clogging the ventilation holes 140.
• the ratio of the number of first ventilation holes 141 to the total number of the plurality of ventilation holes 140 is preferably less than 1/4.
• the ratio of the number of the first ventilation holes 141 to the total number of the plurality of ventilation holes 140 is less than 1/4. It is possible to reduce the probability that ash will be formed and to prevent the adhesive combustion ash from clogging the vent hole 140.
• the plurality of ventilation holes 140 may be formed in two or more rows along the axial direction. By forming the plurality of ventilation holes 140 in two or more rows along the axial direction, more air can be introduced into the interior than when the plurality of ventilation holes 140 are formed in one row.
• FIG. 9 is a configuration diagram showing a cylindrical body manufacturing apparatus according to an embodiment of the present invention.
• the cylindrical body manufacturing apparatus 1 shown in FIG. It is conveyed in the longitudinal direction via the conversion roller 41.
• the sheet material 24 is cut in the longitudinal direction within the cutting section 23. Specifically, the sheet material 24 is cut into a first sheet material 110 having a first width and a second sheet material 120 having a second width. The cut first sheet material 110 and second sheet material 120 are conveyed in parallel via direction change rollers 41 and separated from each other by lateral conveyance rollers 32.
• the positioning adhesive layer 131 After the direction of the second sheet material 120 is changed by the direction changing roller 41, the positioning adhesive layer 131, the first seam adhesive layer 132, and the second seam adhesive layer 133 (FIG. ) is applied (application process).
• the positioning adhesive layer 131 has an adhesive pattern in which positioning glue (adhesive) is applied in a linear manner (see FIGS. 5 to 8).
• the second sheet material 120 is humidified by the humidification nozzle 26 (humidification step).
• the humidifying nozzle 26 sprays water onto the surface of the second sheet material 120 on which the positioning adhesive layer 131 is applied. Note that the humidifying nozzle 26 may spray alcohol onto the second sheet material 120 instead of water, or may spray steam onto the second sheet material 120.
• the humidity of the area where the positioning adhesive layer 131, the first seam adhesive layer 132, and the second seam adhesive layer 133 of the second sheet-like material 120 are applied becomes equal to that of the other areas, so that When the two-sheet material 120 is formed into a cylindrical shape, it can be uniformly deformed, so that the cylindrical body 100 with high roundness can be obtained.
• the first sheet-like material 110 is conveyed in a state separated from the second sheet-like material 120, and its position is shifted in the transverse direction with respect to the conveyance direction by the position shifting section 29. Thereafter, the first sheet-like material 110 and the second sheet-like material 120 are integrated by the tension roller pair 28 (bonding step).
• first sheet-like material 110 and the second sheet-like material 120 are adhered to each other so that their ends in the width direction perpendicular to the longitudinal direction do not overlap with each other.
• first body portion 111 and the second body portion 121 are bonded to each other by the positioning adhesive layer 131 and the first seam adhesive layer 132 applied to the second sheet material 120 (see FIG. 4). .
• the cylindrical body manufacturing apparatus 1 includes a sensor that detects the ends of the first sheet-like material 110 and the second sheet-like material 120 in the width direction, and a sensor that detects the ends of the first sheet-like material 110 and the second sheet-like material 120.
• a control mechanism may be provided to control the amount of positional deviation between the two.
• the first sheet-like material 110 and the second sheet-like material 120 which are adhered to each other while being shifted from each other, are conveyed to the molding device 30.
• an endless forming belt 43 is guided endlessly via a plurality of direction changing rollers 41.
• the first sheet material 110 and the second sheet material 120 conveyed to the molding device 30 are pressed against the molding belt 43 by the pressing section 44 .
• first sheet-like material 110 and the second sheet-like material 120 are formed into a cylindrical continuous body 31 in the forming device 30 by a known method described in, for example, Japanese Patent Application Publication No. 2018-121628. (molding process).
• first extension part 112 and the second extension part 122 are bonded to each other by the second seam adhesive layer 133 applied to the second sheet material 120 (see FIG. 4).
• the first sheet material 110 and the second sheet material 120 formed into the cylindrical continuous body 31 are heated by the heating unit 37, whereby the positioning adhesive layer 131, the first seam adhesive layer 132, and The second seam adhesive layer 133 is cured. Further, the second sheet material 120 humidified by the humidifying nozzle 26 is also dried in the heating section 37 .
• first sheet-like material 110 and the second sheet-like material 120 formed into the cylindrical continuous body 31 are cut into a predetermined length by the cutting section 38 (cutting step), and the cylindrical body 100 is formed. be done.
• first sheet-like material 110 and the second sheet-like material 120 may be replaced with each other.
• a laser beam is irradiated from the outer circumference to the inner circumference of the cylindrical body 100 to burn the material at the irradiated area.
• a plurality of ventilation holes 140 are formed intermittently throughout the cylindrical body 100 throughout the circumferential direction.
• FIG. 10 is an explanatory diagram showing experimental results of humidification conditions in a cylindrical body manufacturing apparatus according to an embodiment of the present invention.
• an experiment was conducted with the humidification conditions changed for the case where three positioning glues were applied to the second sheet material 120 in a straight line parallel to the axial direction (see FIG. 7).
• the cylindrical body 100 was manufactured while changing the humidification conditions from level 1 to level 9 regarding the amount of water, the injection pressure, and the distance from the humidification nozzle 26 to the second sheet material 120 (humidification nozzle distance). However, it was confirmed that level 6 (water amount 6.34 mg/bottle, injection pressure 0.05 MPa, humidifying nozzle distance 17 mm) was appropriate in terms of roundness and circumferential length.
• a cylindrical body 100 in which positioning glue was applied spirally along the axial direction to the second sheet material 120 was manufactured.
• the first extending portion 112 and the second extending portion 122 were not properly bonded together by the adhesive layer 133 (see FIG. 4).
• FIG. 11 shows humidification conditions for each adhesive pattern in the cylindrical body manufacturing apparatus 1.
• the second sheet-like material 120 is coated with positioning glue in a spiral shape along the axial direction (see FIG. 6), and the second sheet-like material 120 is coated with positioning glue in a straight line parallel to the axial direction.
• an experiment was conducted on a cylindrical body 100 (see FIG. 5) coated with two positioning adhesives, while changing the amount of the positioning adhesive layer 131 applied.
• FIG. 12 shows the results of comparing the coating amount of the positioning adhesive layer 131 on the cylindrical body 100 with that of a conventional product.
• the coating amount of the positioning adhesive layer 131 is 80% compared to the conventional product (coating amount: 100 g/500 m (24 mg/piece)). can be reduced. Further, in the case of the cylindrical body 100 coated with two positioning adhesives, the amount of the positioning adhesive layer 131 applied can be reduced by 75% compared to the conventional product.
• FIG. 13 shows the results of comparing various physical properties of the cylindrical body 100 with a standard product and a conventional product.
• the cylindrical body 100 coated with positioning glue in a spiral shape and the cylindrical body 100 coated with two positioning glues in consideration of the influence of humidification by the humidifying nozzle 26, immediately after the formation of the cylindrical body 100, And the physical properties were measured after 24 hours. Moreover, the moisture content was measured after one week.
• the first sheet-like material 110 and the second sheet-like material 120 can be It is possible to obtain a cylindrical body that suppresses poor adhesion with the cylindrical body, has excellent roundness, and has little effect on flavor and taste.
• Second extension part 130 Adhesive layer 131... Positioning adhesive layer 132... First seam adhesive layer 133... Second seam adhesive layer 140... Vent hole 141... First vent hole 142... Second vent hole 210... Tobacco filling Object 220... Wrapper 310... Filled layer 320... First inner plug wrapper 330... Filter medium 340... Second inner plug wrapper 350... Outer plug wrapper 400... Mouthpiece lining paper

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• Adhesives Or Adhesive Processes (AREA)
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• 2022
  • 2022-03-31 EP EP22935370.1A patent/EP4501140A1/en active Pending
  • 2022-03-31 WO PCT/JP2022/016387 patent/WO2023188225A1/ja active Application Filing
  • 2022-03-31 JP JP2024510990A patent/JPWO2023188225A1/ja active Pending
  • 2022-03-31 KR KR1020247036387A patent/KR20240171124A/ko active Pending
• 2024
  • 2024-09-23 US US18/892,540 patent/US20250009010A1/en active Pending

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