EP4305975A1 - Filter rod having hollow outer section and filled inner core, and processing method therefor - Google Patents
Filter rod having hollow outer section and filled inner core, and processing method therefor Download PDFInfo
- Publication number
- EP4305975A1 EP4305975A1 EP23772391.1A EP23772391A EP4305975A1 EP 4305975 A1 EP4305975 A1 EP 4305975A1 EP 23772391 A EP23772391 A EP 23772391A EP 4305975 A1 EP4305975 A1 EP 4305975A1
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- European Patent Office
- Prior art keywords
- forming
- mouth
- trumpet
- filter stick
- externally
- Prior art date
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- 238000003672 processing method Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 21
- 230000001070 adhesive effect Effects 0.000 claims description 21
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 description 25
- 230000006870 function Effects 0.000 description 6
- 241000208125 Nicotiana Species 0.000 description 5
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000000391 smoking effect Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000000796 flavoring agent Substances 0.000 description 3
- 235000019634 flavors Nutrition 0.000 description 3
- 230000001953 sensory effect Effects 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 235000019505 tobacco product Nutrition 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 235000019615 sensations Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
Images
Classifications
-
- 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
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
-
- 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
- A24D3/0254—Cutting means
-
- 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
- A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
- A24D3/0287—Manufacture of tobacco smoke filters for filters with special features for composite 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
- A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
- A24D3/0291—Manufacture of tobacco smoke filters for filters with special features for hollow tipped filters, e.g. recess 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
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
-
- 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
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
Definitions
- the present invention belongs to the technical field of tobacco and particularly relates to an externally-hollow filter stick with a filled core and a fabricating method thereof.
- a tobacco material with a single function hardly meets demands of cigarette brand development and product characteristics.
- the tobacco material has been developed from the single function to multiple functions and diversified directions.
- a filter stick serves as an important composition part of a cigarette, and more and more hollow filter sticks are applied to the cigarette due to their special functions.
- Cigarette flavoring plays a role in improving a physicochemical property of the cigarette, so the consumers have specific taste, smell and touch feeling and acceptability of the cigarette is improved.
- flavoring methods such as directly adding into cut tobacco or adding into other accessories of the cigarette, such as a filter tip, cigarette paper and a packaging material.
- a microcapsule in a tobacco product is put at a joint between the filter tip and a cigarette, or may also be gathered in a middle section of the filter tip to form the filter tip, and plays a different role during smoking, and a flavoring substance maintains an original flavor and meanwhile can effectively highlight a flavor of the cigarette product, cover unfavorable smell and improve a smoking sensation.
- Hollow filter sticks disclosed by patents CN210076559U , CN210382609U and CN105342005A each have a plurality of layers, and each layer is filled with tows.
- the hollow filter sticks in the above patents each need a pressure-reduced channel or groove formed by folding forming paper, these pressure-reduced channels or grooves are complicated in shape and difficult for large-scale industrial production.
- the present invention is provided for solving the above problems.
- the present invention discloses an externally-hollow filter stick with a filled core and a fabricating method thereof.
- a technical solution of the present invention is as follows.
- a first aspect of the present invention discloses an externally-hollow filter stick with a filled core.
- the externally-hollow filter stick with the filled core is cylindrical in appearance and is composed of an outer layer which is a cylinder W1 formed by rolling outer forming paper W and an inner layer which is in a cylindrical shape with a cross section being a regular triangle N1 in an axial direction of the cylinder W1 formed by folding inner forming paper N; and three vertexes of the regular triangle N1 are on an inner wall surface of the cylinder W1, wherein an interior of the inner forming paper N is filled with inner tows S2.
- the quantity of the inner forming paper N is 30-40 g/m 2 .
- the quantity of the outer forming paper W is 90-110 g/m 2 .
- the regular triangle N1 is formed by folding two layers of second forming paper 2.
- the inner tows S2 are 3.0-12.0 Y in denier per filament and 15000-35000 D in denier of all filaments; and generally, 3.9 Y/31000 D, 3.0 Y/32000 D, 3.0 Y/35000 D or 3.8 Y/34000 D, which may be selected according to a design requirement of the filter stick.
- a common filter stick is 3.0-3.9 Y and 31000-35000 D
- a medium filter stick is 3.8-6.7 Y and 22000-34000 D
- a fine filter stick is 6.0-12.0 Y and 15000-16000 D.
- the inner and outer layers of forming paper may be flavored separately or simultaneously.
- a second aspect of the present invention discloses a forming method of an externally-hollow filter stick with a filled core, which uses a filter stick one-time forming system.
- the filter stick one-time forming system includes the following components: a forming trumpet-like mouth C, an outer forming paper conveying belt 3W, an inner forming paper conveying belt 3N and an inner tow conveying belt 52; the forming trumpet-like mouth C includes an outer forming trumpet-like mouth 11 and an inner forming trumpet-like mouth 21, and the inner forming trumpet-like mouth 21 is sleeved with the outer forming trumpet-like mouth 11; the outer forming trumpet-like mouth 11 is in a cylindrical shape with a radius decreasing gradually; and the inner forming trumpet-like mouth 21 has two layers, an outer layer 211 is in a cylindrical shape which transits gradually from a circle to a regular triangle, and an inner layer 212 is in a triangular prism shape with one end being a large-area regular triangle and the other end being a small-area regular triangle.
- the forming method of the externally-hollow filter stick with the filled core includes the following steps: conveying outer forming paper W by the outer forming paper conveying belt 3W to an inlet of the forming trumpet-like mouth C to be baked by an outer forming paper baking device 31 and then enter a cylinder of the outer forming trumpet-like mouth 11 to be formed as a cylinder W1 shape and applied with an adhesive by an outer lap adhesive device 33 to come out of an outlet of the outer forming trumpet-like mouth 11; meanwhile, conveying inner forming paper N by the inner forming paper conveying belt 3N to the inlet of the forming trumpet-like mouth C to be baked by an inner forming paper baking device 32 and then enter a position between the outer layer 211 and the inner layer 212 of the inner forming trumpet-like mouth 21 to be formed gradually as a cylinder of the regular triangle N1 and applied with an adhesive by an inner lap adhesive device 33 to come out of an outlet of the inner forming trumpet-like mouth 21; at the moment, delivering inner tows S2 conveye
- the externally-hollow filter stick with the filled core prepared in the present invention is used as a base stick A, the base stick A and another filter stick B of different types such as a filter capsule filter stick, a particle filter stick and a flavored filter stick are subjected to one-time combination according to a certain sequence and length ratio, so as to prepare an externally-hollow binary filter stick with a filled core, and the base stick A and the filter sticks B1 and B2 are subjected to two-time recombination according to a certain sequence and length ratio, so as to prepare an externally-hollow ternary filter stick with a filled core.
- the filter stick is put on a cigarette making machine to be connected with a cigarette, and then the externally-hollow filter stick with the filled core is arranged at a lip end of the cigarette.
- An experiment method without indicating specific conditions in the embodiment usually adopts a normal condition as well as a condition in a manual, or a general device, a material, a reagent and the like used in a condition recommended by a manufacturer, which may be commercially available without additional comments.
- Raw materials needed in the following embodiment and comparative example are available in the market.
- Fig. 1 is a schematic diagram of a cross section of a vertical center axis of an externally-hollow filter stick with a filled core in the present invention.
- a first aspect of the present invention discloses an externally-hollow filter stick with a filled core.
- the externally-hollow filter stick with the filled core is cylindrical in appearance and is composed of an outer layer which is a cylinder W1 formed by rolling outer forming paper W and an inner layer which is in a cylindrical shape with a cross section being a regular triangle N1 in an axial direction of the cylinder W1 formed by folding inner forming paper N; and three vertexes of the regular triangle N1 are on an inner wall surface of the cylinder W1, wherein an interior of the inner forming paper N is filled with inner tows S2.
- the quantity of the inner forming paper N is 30-40 g/m 2 .
- the quantity of the outer forming paper W is 90-110 g/m 2 .
- the regular triangle N1 is formed by folding two layers of second forming paper 2.
- the inner tows S2 are 3.0-12.0 Y in denier per filament and 15000-35000 D in denier of all filaments.
- a second aspect of the present invention discloses a forming method of an externally-hollow filter stick with a filled core, which uses a filter stick one-time forming system.
- the filter stick one-time forming system includes the following components: a forming trumpet-like mouth C, an outer forming paper conveying belt 3W, an inner forming paper conveying belt 3N and an inner tow conveying belt 52.
- the forming trumpet-like mouth C includes an outer forming trumpet-like mouth 11 and an inner forming trumpet-like mouth 21, and the inner forming trumpet-like mouth 11 is sleeved with the outer forming trumpet-like mouth 21; the outer forming trumpet-like mouth 11 is in a cylindrical shape with a radius decreasing gradually.
- the inner forming trumpet-like mouth 21 has two layers, an outer layer 211 is in a cylindrical shape which transits gradually from a circle to a regular triangle, and an inner layer 212 is in a triangular prism shape with one end being a large-area regular triangle and the other end being a small-area regular triangle.
- the forming method of the triangular filter stick with the filled core includes the following steps: outer forming paper W is conveyed by the outer forming paper conveying belt 3W to an inlet of the forming trumpet-like mouth C to be baked by an outer forming paper baking device 31 and then enter a cylinder of the outer forming trumpet-like mouth 11 to be formed as a cylinder W1 shape and applied with an adhesive by an outer lap adhesive device 33 to come out of an outlet of the outer forming trumpet-like mouth 11; meanwhile, inner forming paper N is conveyed by the inner forming paper conveying belt 3N to the inlet of the forming trumpet-like mouth C to be baked by an inner forming paper baking device 32 and then enter a position between the outer layer 211 and the inner layer 212 of the inner forming trumpet-like mouth 21 to be formed gradually as a cylinder of the regular triangle N1 and applied with an adhesive by an inner lap adhesive device 33 to come out of an outlet of the inner forming trumpet-like mouth 21; at the moment, inner tows S2 conveye
- the externally-hollow filter stick with the filled core prepared in the present invention is used as a base stick A, the base stick A and another filter stick B of different types such as a filter capsule filter stick, a particle filter stick and a flavored filter stick are subjected to one-time combination according to a certain sequence and length ratio, so as to prepare an externally-hollow binary filter stick with a filled core, and the base stick A and the filter sticks B 1 and B2 are subjected to two-time recombination according to a certain sequence and length ratio, so as to prepare an externally-hollow ternary filter stick with a filled core.
- the filter stick is put on a cigarette making machine to be connected with a cigarette, and then the externally-hollow filter stick with the filled core is arranged at a lip end of the cigarette.
- the filter stick prepared through the method of the present invention is connected with a prepared cigarette, smoke gas is gathered and softer and more delicate, smoothness is good with clustering, smoking quality is mellow, convergence is high, the aroma quality and the aroma volume are improved, and sensory quality of cigarette may be improved effectively.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
Description
- The present invention belongs to the technical field of tobacco and particularly relates to an externally-hollow filter stick with a filled core and a fabricating method thereof.
- With intensifying competition of the tobacco industry market, a tobacco material with a single function hardly meets demands of cigarette brand development and product characteristics. With application of a new technology, a new process and a new material in a tobacco product, the tobacco material has been developed from the single function to multiple functions and diversified directions. With increasingly intense competition of the cigarette market, a cigarette product with a novel appearance and special functions is of interest to consumers, a filter stick serves as an important composition part of a cigarette, and more and more hollow filter sticks are applied to the cigarette due to their special functions.
- Cigarette flavoring plays a role in improving a physicochemical property of the cigarette, so the consumers have specific taste, smell and touch feeling and acceptability of the cigarette is improved. There are many types of flavoring methods, such as directly adding into cut tobacco or adding into other accessories of the cigarette, such as a filter tip, cigarette paper and a packaging material. A microcapsule in a tobacco product is put at a joint between the filter tip and a cigarette, or may also be gathered in a middle section of the filter tip to form the filter tip, and plays a different role during smoking, and a flavoring substance maintains an original flavor and meanwhile can effectively highlight a flavor of the cigarette product, cover unfavorable smell and improve a smoking sensation.
- Hollow filter sticks disclosed by patents
CN210076559U ,CN210382609U andCN105342005A each have a plurality of layers, and each layer is filled with tows. The hollow filter sticks in the above patents each need a pressure-reduced channel or groove formed by folding forming paper, these pressure-reduced channels or grooves are complicated in shape and difficult for large-scale industrial production. - The present invention is provided for solving the above problems.
- The present invention discloses an externally-hollow filter stick with a filled core and a fabricating method thereof.
- A technical solution of the present invention is as follows.
- A first aspect of the present invention discloses an externally-hollow filter stick with a filled core. The externally-hollow filter stick with the filled core is cylindrical in appearance and is composed of an outer layer which is a cylinder W1 formed by rolling outer forming paper W and an inner layer which is in a cylindrical shape with a cross section being a regular triangle N1 in an axial direction of the cylinder W1 formed by folding inner forming paper N; and three vertexes of the regular triangle N1 are on an inner wall surface of the cylinder W1, wherein an interior of the inner forming paper N is filled with inner tows S2.
- Preferably, the quantity of the inner forming paper N is 30-40 g/m2.
- Preferably, the quantity of the outer forming paper W is 90-110 g/m2.
- Preferably, the regular triangle N1 is formed by folding two layers of second forming paper 2.
- Preferably, the inner tows S2 are 3.0-12.0 Y in denier per filament and 15000-35000 D in denier of all filaments; and generally, 3.9 Y/31000 D, 3.0 Y/32000 D, 3.0 Y/35000 D or 3.8 Y/34000 D, which may be selected according to a design requirement of the filter stick. Generally, a common filter stick is 3.0-3.9 Y and 31000-35000 D, a medium filter stick is 3.8-6.7 Y and 22000-34000 D, and a fine filter stick is 6.0-12.0 Y and 15000-16000 D.
- Preferably, the inner and outer layers of forming paper may be flavored separately or simultaneously.
- A second aspect of the present invention discloses a forming method of an externally-hollow filter stick with a filled core, which uses a filter stick one-time forming system.
- The filter stick one-time forming system includes the following components: a forming trumpet-like mouth C, an outer forming
paper conveying belt 3W, an inner formingpaper conveying belt 3N and an innertow conveying belt 52; the forming trumpet-like mouth C includes an outer forming trumpet-like mouth 11 and an inner forming trumpet-like mouth 21, and the inner forming trumpet-like mouth 21 is sleeved with the outer forming trumpet-like mouth 11; the outer forming trumpet-like mouth 11 is in a cylindrical shape with a radius decreasing gradually; and the inner forming trumpet-like mouth 21 has two layers, anouter layer 211 is in a cylindrical shape which transits gradually from a circle to a regular triangle, and aninner layer 212 is in a triangular prism shape with one end being a large-area regular triangle and the other end being a small-area regular triangle. - The forming method of the externally-hollow filter stick with the filled core includes the following steps: conveying outer forming paper W by the outer forming
paper conveying belt 3W to an inlet of the forming trumpet-like mouth C to be baked by an outer forming paper baking device 31 and then enter a cylinder of the outer forming trumpet-like mouth 11 to be formed as a cylinder W1 shape and applied with an adhesive by an outer lapadhesive device 33 to come out of an outlet of the outer forming trumpet-like mouth 11; meanwhile, conveying inner forming paper N by the inner formingpaper conveying belt 3N to the inlet of the forming trumpet-like mouth C to be baked by an inner forming paper baking device 32 and then enter a position between theouter layer 211 and theinner layer 212 of the inner forming trumpet-like mouth 21 to be formed gradually as a cylinder of the regular triangle N1 and applied with an adhesive by an inner lapadhesive device 33 to come out of an outlet of the inner forming trumpet-like mouth 21; at the moment, delivering inner tows S2 conveyed from an innertow conveying belt 52 into the inner forming paper N; sleeving the cylinder of the regular triangle N1 and the cylinder W1 coming out of the outlet of the outer forming trumpet-like mouth 11 together, and filling an interior of the inner forming paper N with the inner tows S2; and applying an adhesive to the formed filter stick by anadhesive device 35, then gluing three vertexes of the regular triangle N1 to an inner wall surface of the cylinder W1, heating by aheater 36, performing cooling forming by acooler 37, cutting by acutter 38 and then outputting by aseparator roll 39, so as to obtain the externally-hollow filter stick with the filled core. - The externally-hollow filter stick with the filled core prepared in the present invention is used as a base stick A, the base stick A and another filter stick B of different types such as a filter capsule filter stick, a particle filter stick and a flavored filter stick are subjected to one-time combination according to a certain sequence and length ratio, so as to prepare an externally-hollow binary filter stick with a filled core, and the base stick A and the filter sticks B1 and B2 are subjected to two-time recombination according to a certain sequence and length ratio, so as to prepare an externally-hollow ternary filter stick with a filled core. The filter stick is put on a cigarette making machine to be connected with a cigarette, and then the externally-hollow filter stick with the filled core is arranged at a lip end of the cigarette.
- Beneficial effects of the present invention are:
- 1. By using the inner forming paper and the outer forming paper with different quantities in the present invention, the externally-hollow filter stick with the filled core is prepared, so that different functions are achieved; filtering permeability is improved through the outer layer, so easiness is improved; and a space of the inner layer is filled with tows, so that filtering efficiency may be improved. A hollow filter stick obtained through a method in the prior art cannot be internally filled with the tows due to thermoforming, differentiated processing by using an existing flavoring technology is unavailable, and a filtering effect of a hollow filter stick section is not achieved.
- 2. The present invention designs and prepares the forming trumpet-like mouth autonomously. The forming trumpet-like mouth includes the outer forming trumpet-like mouth and the inner forming trumpet-like mouth, and the inner forming trumpet-like mouth is sleeved with the outer forming trumpet-like mouth; the outer forming trumpet-like mouth is in a cylindrical shape with a radius decreasing gradually; and the inner forming trumpet-like mouth has two layers, an outer layer is in a cylindrical shape which transits gradually from a circle to a regular triangle, and an inner layer is in a triangular prism shape with one end being a large-area regular triangle and the other end being a small-area regular triangle. The forming trumpet-like mouth of the present invention easily make the inner forming paper and the outer forming paper form a required shape by one-time forming; and large-scale industrial production is easy.
- 3. The inner and outer layers of forming paper of the present invention are glued together, the inner layer of forming paper is filled with the tows, and there is a cavity between the outer layer of forming paper and the inner layer of forming paper, which is different from a position and a mechanism of a hollow structure in an existing hollow filter stick for smoke gas circulation; and the triangular filter stick with the filled core of the present invention may better gather smoke gas, smoke gas is softer and more delicate, smoothness is good with clustering, smoking quality is mellow, and convergence is high.
- 4. According to the externally-hollow filter stick with the filled core of the present invention, the inner layer is filled with the tows, forming paper flavoring and tow flavoring cooperate, so a flavoring effect of the tows may be better achieved, cigarette flavor is better gathered, cigarette aroma quality is improved, an aroma volume is enhanced, and sensory quality of the cigarette may be improved effectively.
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Fig. 1 is a schematic diagram of a cross section of a vertical center axis of an externally-hollow filter stick with a filled core in the present invention. -
Fig. 2 is a schematic diagram of a forming trumpet-like mouth in the present invention. -
Fig. 3 is a schematic diagram of an inner forming trumpet-like mouth in the present invention. -
Fig. 4 is a schematic diagram of a one-time forming system of an externally-hollow filter stick with a filled core in the present invention. - Reference numerals: 11, outer forming trumpet-like mouth; 111, fixing point; 21, inner forming trumpet-like mouth; 211, outer layer; 212, inner layer; 3W, outer forming paper conveying belt; 3N, inner forming paper conveying belt; 31, outer forming paper baking device; 32, inner forming paper baking device; 33, inner lap adhesive device; 34, outer lap adhesive device; 35, adhesive device; 36, heater; 37, cooler; 38, cutter; 39, separator roll; 51, inner tow pack; 52, inner tow conveying belt; 53, inner additive box; W, outer forming paper; N, inner forming paper; W1, cylinder; N1, regular triangle, C, forming trumpet-like mouth; and S2, inner tow.
- The present invention is further described below through an embodiment but not limited to this embodiment. An experiment method without indicating specific conditions in the embodiment usually adopts a normal condition as well as a condition in a manual, or a general device, a material, a reagent and the like used in a condition recommended by a manufacturer, which may be commercially available without additional comments. Raw materials needed in the following embodiment and comparative example are available in the market.
- As shown in
Fig. 1, Fig. 1 is a schematic diagram of a cross section of a vertical center axis of an externally-hollow filter stick with a filled core in the present invention. A first aspect of the present invention discloses an externally-hollow filter stick with a filled core. The externally-hollow filter stick with the filled core is cylindrical in appearance and is composed of an outer layer which is a cylinder W1 formed by rolling outer forming paper W and an inner layer which is in a cylindrical shape with a cross section being a regular triangle N1 in an axial direction of the cylinder W1 formed by folding inner forming paper N; and three vertexes of the regular triangle N1 are on an inner wall surface of the cylinder W1, wherein an interior of the inner forming paper N is filled with inner tows S2. The quantity of the inner forming paper N is 30-40 g/m2. The quantity of the outer forming paper W is 90-110 g/m2. The regular triangle N1 is formed by folding two layers of second forming paper 2. The inner tows S2 are 3.0-12.0 Y in denier per filament and 15000-35000 D in denier of all filaments. - A second aspect of the present invention discloses a forming method of an externally-hollow filter stick with a filled core, which uses a filter stick one-time forming system.
- As shown in
Fig. 4 , the filter stick one-time forming system includes the following components: a forming trumpet-like mouth C, an outer formingpaper conveying belt 3W, an inner formingpaper conveying belt 3N and an innertow conveying belt 52. As shown inFig. 2 , the forming trumpet-like mouth C includes an outer forming trumpet-like mouth 11 and an inner forming trumpet-like mouth 21, and the inner forming trumpet-like mouth 11 is sleeved with the outer forming trumpet-like mouth 21; the outer forming trumpet-like mouth 11 is in a cylindrical shape with a radius decreasing gradually. As shown inFig. 3 , the inner forming trumpet-like mouth 21 has two layers, anouter layer 211 is in a cylindrical shape which transits gradually from a circle to a regular triangle, and aninner layer 212 is in a triangular prism shape with one end being a large-area regular triangle and the other end being a small-area regular triangle. - The forming method of the triangular filter stick with the filled core includes the following steps: outer forming paper W is conveyed by the outer forming
paper conveying belt 3W to an inlet of the forming trumpet-like mouth C to be baked by an outer forming paper baking device 31 and then enter a cylinder of the outer forming trumpet-like mouth 11 to be formed as a cylinder W1 shape and applied with an adhesive by an outer lapadhesive device 33 to come out of an outlet of the outer forming trumpet-like mouth 11; meanwhile, inner forming paper N is conveyed by the inner formingpaper conveying belt 3N to the inlet of the forming trumpet-like mouth C to be baked by an inner forming paper baking device 32 and then enter a position between theouter layer 211 and theinner layer 212 of the inner forming trumpet-like mouth 21 to be formed gradually as a cylinder of the regular triangle N1 and applied with an adhesive by an inner lapadhesive device 33 to come out of an outlet of the inner forming trumpet-like mouth 21; at the moment, inner tows S2 conveyed from an innertow conveying belt 52 are delivered into the inner forming paper N; the cylinder of the regular triangle N1 and the cylinder W1 coming out of the outlet of the outer forming trumpet-like mouth 11 are sleeved together, and an interior of the inner forming paper N is filled with the inner tows S2; and an adhesive is applied to the formed filter stick by anadhesive device 35, then three vertexes of the regular triangle N1 are glued to an inner wall surface of the cylinder W1, heating is performed by aheater 36, cooling forming is performed by acooler 37, cutting is performed by acutter 38 and then outputting is performed by aseparator roll 39, so as to obtain the externally-hollow filter stick with the filled core. - The externally-hollow filter stick with the filled core prepared in the present invention is used as a base stick A, the base stick A and another filter stick B of different types such as a filter capsule filter stick, a particle filter stick and a flavored filter stick are subjected to one-time combination according to a certain sequence and length ratio, so as to prepare an externally-hollow binary filter stick with a filled core, and the base stick A and the filter sticks B 1 and B2 are subjected to two-time recombination according to a certain sequence and length ratio, so as to prepare an externally-hollow ternary filter stick with a filled core. The filter stick is put on a cigarette making machine to be connected with a cigarette, and then the externally-hollow filter stick with the filled core is arranged at a lip end of the cigarette.
- Running conditions of the method of the present invention and a method in the prior art and comparison of results of obtained cigarettes:
Production method Aroma quality Aroma volume Softness and delicacy Mellowne ss Convergence Sensory quality of cigarette Method of the present invention 14 16.5 5 5 4.5 91.5 Method in the prior art 13 14.5 3.5 3.5 3 90.0 - It may be known from the above comparison results that the filter stick prepared through the method of the present invention is connected with a prepared cigarette, smoke gas is gathered and softer and more delicate, smoothness is good with clustering, smoking quality is mellow, convergence is high, the aroma quality and the aroma volume are improved, and sensory quality of cigarette may be improved effectively.
- The above displays and describes a basic principle, main features and strengths of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiment, descriptions in the above embodiment and the specification are only for explaining the principle of the present invention. Various variations and improvements may be made for the present invention without departing from the spirit and scope of the present invention. These variations and improvements fall within the protection scope claimed in the present invention. The protection scope claimed in the present invention is defined by the appended claims and their equivalents.
Claims (6)
- An externally-hollow filter stick with a filled core, characterized in that the externally-hollow filter stick is cylindrical in appearance and is composed of an outer layer which is a cylinder (W1) formed by rolling outer forming paper (W) and an inner layer which is in a cylindrical shape with a cross section being a regular triangle (N1) in an axial direction of the cylinder (W1) formed by folding inner forming paper (N); and three vertexes of the regular triangle (N1) are on an inner wall surface of the cylinder (W1), wherein an interior of the inner forming paper (N) is filled with inner tows (S2).
- The externally-hollow filter stick of claim 1, characterized in that the quantity of the inner forming paper (N) is 30-40 g/m2.
- The externally-hollow filter stick of claim 1, characterized in that the quantity of the outer forming paper (W) is 90-110 g/m2.
- The externally-hollow filter stick of claim 1, characterized in that the regular triangle (N1) is formed by folding two layers of second forming paper (2).
- The externally-hollow filter stick of claim 1, characterized in that the inner tows (S2) are 3.0-12.0 Y and 15000-35000 D.
- A forming method of the externally-hollow filter stick with the filled core of any one of claims 1 to 5, characterized in that the method uses a filter stick one-time forming system;the filter stick one-time forming system comprises the following components: a forming trumpet-like mouth (C), an outer forming paper conveying belt (3W), an inner forming paper conveying belt (3N) and an inner tow conveying belt (52); the forming trumpet-like mouth (C) comprises an outer forming trumpet-like mouth (11) and an inner forming trumpet-like mouth (21), and the inner forming trumpet-like mouth (21) is sleeved with the outer forming trumpet-like mouth (11); the outer forming trumpet-like mouth (11) is in a cylindrical shape with a radius decreasing gradually; and the inner forming trumpet-like mouth (21) has two layers, an outer layer (211) is in a cylindrical shape which transits gradually from a circle to a regular triangle, and an inner layer (212) is in a triangular prism shape with one end being a large-area regular triangle and the other end being a small-area regular triangle; andthe forming method of the externally-hollow filter stick with the filled core comprises the following steps: conveying outer forming paper (W) by the outer forming paper conveying belt (3W) to an inlet of the forming trumpet-like mouth (C) to be baked by an outer forming paper baking device (31) and then enter a cylinder of the outer forming trumpet-like mouth (11) to be formed as a cylinder (W1) shape and applied with an adhesive by an outer lap adhesive device (34) to come out of an outlet of the outer forming trumpet-like mouth (11); meanwhile, conveying inner forming paper (N) by the inner forming paper conveying belt (3N) to the inlet of the forming trumpet-like mouth (C) to be baked by an inner forming paper baking device (32) and then enter a position between the outer layer (211) and the inner layer (212) of the inner forming trumpet-like mouth (21) to be formed gradually as a cylinder of the regular triangle (N1) and applied with an adhesive by an inner lap adhesive device (33) to come out of an outlet of the inner forming trumpet-like mouth (21); at the moment, delivering inner tows (S2) conveyed from an inner tow conveying belt (52) into the inner forming paper (N); sleeving the cylinder of the regular triangle (N1) and the cylinder (W1) coming out of the outlet of the outer forming trumpet-like mouth (11) together, and filling an interior of the inner forming paper (N) with the inner tows (S2); and applying an adhesive to the formed filter stick by an adhesive device (35), then gluing three vertexes of the regular triangle (N1) to an inner wall surface of the cylinder (W1), heating by a heater (36), performing cooling forming by a cooler (37), cutting by a cutter (38) and then outputting by a separator roll (39), so as to obtain the externally-hollow filter stick with the filled core.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN202210568132.9A CN114983017B (en) | 2022-05-24 | 2022-05-24 | Inner core filled outer hollow filter stick and processing method thereof |
PCT/CN2023/080716 WO2023226522A1 (en) | 2022-05-24 | 2023-03-10 | Filter rod having hollow outer section and filled inner core, and processing method therefor |
Publications (2)
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EP4305975A1 true EP4305975A1 (en) | 2024-01-17 |
EP4305975A4 EP4305975A4 (en) | 2024-05-15 |
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EP23772391.1A Pending EP4305975A4 (en) | 2022-05-24 | 2023-03-10 | Filter rod having hollow outer section and filled inner core, and processing method therefor |
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EP (1) | EP4305975A4 (en) |
CN (1) | CN114983017B (en) |
WO (1) | WO2023226522A1 (en) |
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CN114983017B (en) * | 2022-05-24 | 2023-08-22 | 云南中烟工业有限责任公司 | Inner core filled outer hollow filter stick and processing method thereof |
CN114983015A (en) * | 2022-05-24 | 2022-09-02 | 云南中烟工业有限责任公司 | Interlayer filled hollow triangular filter rod and processing method thereof |
CN114983018A (en) * | 2022-05-24 | 2022-09-02 | 云南中烟工业有限责任公司 | Triangular-spaced full-hollow filter stick and forming method thereof |
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CA1212008A (en) * | 1981-12-23 | 1986-09-30 | Richard M. Berger | Smoke filter having extended film overwrap and method and apparatus for fabricating same |
JP2955556B1 (en) * | 1998-05-08 | 1999-10-04 | 日本たばこ産業株式会社 | Tobacco filter |
JP3002173B2 (en) * | 1998-05-08 | 2000-01-24 | 日本たばこ産業株式会社 | Manufacturing method and device for tobacco filter |
JP2955557B1 (en) * | 1998-05-08 | 1999-10-04 | 日本たばこ産業株式会社 | Sheath core type tobacco filter |
WO2014080516A1 (en) * | 2012-11-26 | 2014-05-30 | 日本たばこ産業株式会社 | Method for producing filter cigarette, filter, and filter cigarette |
CN203207180U (en) * | 2013-02-05 | 2013-09-25 | 大亚科技股份有限公司 | Carbon-added polypropylene cigarette tow and cellulose acetate tow composite filtering nozzle bar |
CN103222682A (en) * | 2013-04-09 | 2013-07-31 | 红云红河烟草(集团)有限责任公司 | Binary composite filter rod for cigarettes and processing method and equipment thereof |
GB201420733D0 (en) * | 2014-11-21 | 2015-01-07 | British American Tobacco Co | Apparatus and method for filter manufacture |
GB201501527D0 (en) * | 2015-01-30 | 2015-03-18 | British American Tobacco Co | Apparatus and method for filter manufacture |
CN105342005A (en) | 2015-11-17 | 2016-02-24 | 南通烟滤嘴有限责任公司 | Coaxial filter rod with double permeability |
CN205432111U (en) * | 2015-12-29 | 2016-08-10 | 蚌埠卷烟材料厂 | Coaxial core filter rod of abnormal shape |
GB201720490D0 (en) * | 2017-12-08 | 2018-01-24 | Essentra Filter Products Dev Co Pte Ltd | Tobacco smoke filter |
CN110353303A (en) * | 2018-04-09 | 2019-10-22 | 上海烟草集团有限责任公司 | A kind of special-shaped coaxial core filter stick and preparation method thereof |
CN109043657A (en) * | 2018-06-29 | 2018-12-21 | 云南巴菰生物科技有限公司 | It is a kind of for heating the temperature adjustment filter stick for the tobacco product that do not burn |
CN210382609U (en) | 2019-05-07 | 2020-04-24 | 牡丹江卷烟材料厂有限责任公司 | Coaxial hollow filter stick wrapped with groove paper |
CN210076559U (en) | 2019-05-07 | 2020-02-18 | 牡丹江卷烟材料厂有限责任公司 | Coaxial type special-shaped hollow filter rod |
WO2021083891A1 (en) * | 2019-10-28 | 2021-05-06 | Jt International Sa | Filter component for an aerosol-generating article |
CN113424986B (en) * | 2021-07-26 | 2023-07-04 | 云南养瑞科技集团有限公司 | Fragrant cooling filter tip rod and preparation method thereof |
CN114983017B (en) * | 2022-05-24 | 2023-08-22 | 云南中烟工业有限责任公司 | Inner core filled outer hollow filter stick and processing method thereof |
-
2022
- 2022-05-24 CN CN202210568132.9A patent/CN114983017B/en active Active
-
2023
- 2023-03-10 EP EP23772391.1A patent/EP4305975A4/en active Pending
- 2023-03-10 WO PCT/CN2023/080716 patent/WO2023226522A1/en unknown
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EP4305975A4 (en) | 2024-05-15 |
WO2023226522A1 (en) | 2023-11-30 |
CN114983017A (en) | 2022-09-02 |
CN114983017B (en) | 2023-08-22 |
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