CN114983015A - Interlayer filled hollow triangular filter rod and processing method thereof - Google Patents

Interlayer filled hollow triangular filter rod and processing method thereof Download PDF

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Publication number
CN114983015A
CN114983015A CN202210568106.6A CN202210568106A CN114983015A CN 114983015 A CN114983015 A CN 114983015A CN 202210568106 A CN202210568106 A CN 202210568106A CN 114983015 A CN114983015 A CN 114983015A
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CN
China
Prior art keywords
forming
paper
filled
hollow triangular
triangular filter
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Pending
Application number
CN202210568106.6A
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Chinese (zh)
Inventor
岳保山
詹建波
王浩
沈艳飞
余婷婷
余振华
余江
郑晗
谢姣
王旭
桂永发
王涛
丁卫
李利伟
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China Tobacco Yunnan Industrial Co Ltd
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China Tobacco Yunnan Industrial Co Ltd
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Publication date
Application filed by China Tobacco Yunnan Industrial Co Ltd filed Critical China Tobacco Yunnan Industrial Co Ltd
Priority to CN202210568106.6A priority Critical patent/CN114983015A/en
Publication of CN114983015A publication Critical patent/CN114983015A/en
Priority to KR1020237035013A priority patent/KR20230164691A/en
Priority to PCT/CN2023/080195 priority patent/WO2023226519A1/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • A24C5/471—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces by means of a connecting band
    • A24C5/472—Applying adhesives to the connecting band
    • 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
    • A24D3/0279—Manufacture of tobacco smoke filters for filters with special features with tubes
    • 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

Abstract

The invention discloses a hollow triangular filter stick filled with an interlayer, which is cylindrical, and consists of a cylinder (W1) formed by rolling outer forming paper (W) on the outer layer and a cylinder (N1) formed by folding inner forming paper (N) on the inner layer along the axial cross section of the cylinder (W1); and three apexes of the triangle (N1) are on the inner wall surface of the cylinder (W1); wherein, the outer tows (S1) are filled between the outer forming paper (W) and the inner forming paper (N). The invention also discloses a molding method of the interlayer filled hollow triangular filter stick.

Description

Interlayer filled hollow triangular filter stick and processing method thereof
Technical Field
The invention belongs to the technical field of tobacco, and particularly relates to a hollow triangular filter stick filled with an interlayer and a processing method thereof.
Background
With the increasing market competition of the tobacco industry, the single-function tobacco material is difficult to meet the requirements of cigarette brand development and product specialization. Along with the application of new technology, new process and new material in cigarette products, the cigarette material has developed from single function to multifunction and diversification. The filter stick is used as an important component of the cigarette, and with increasingly fierce competition of cigarette market, cigarette products with novel appearance and special functions are favored by consumers, and the hollow filter stick is applied to the cigarette more and more due to the special functions.
The perfuming function of the cigarette is to improve the physical and chemical properties of the cigarette, enable consumers to obtain specific taste, smell and touch feelings and improve the acceptability of the cigarette. There are also a variety of methods of flavoring, including direct addition to tobacco shreds, as well as to other cigarette adjuvants such as filters, cigarette paper and packaging materials. The microcapsule is placed at the joint of the filter tip and the cigarette in a cigarette product, and can also be intensively placed at the middle section of the filter tip to form the filter tip, so that different functions are exerted during smoking, the spice substances keep the original flavor, and meanwhile, the microcapsule can effectively set off the fragrance of the cigarette product, cover the miscellaneous gas and improve the smoking taste.
The hollow filter rods disclosed in patents CN210076559U, CN210382609U and CN105342005A have multiple layers and each layer is filled with tow. However, the hollow filter rod of the above patent requires a pressure reducing passage or groove for folding the wrap paper, and the shape of the pressure reducing passage or groove is complicated, and it is difficult to industrially produce the hollow filter rod on a large scale.
The present invention has been made to solve the above problems.
Disclosure of Invention
The invention discloses a hollow triangular filter stick filled with an interlayer. The tow fills between the inner support plug wrap and the outer wrap plug wrap, and may achieve some filtration in the cigarette. Because the inside silk that fills of triangle-shaped structure is less, can place at filter rod cigarette end. The tows can be diacetate tows or polylactic acid tows by controlling the type of the tows and the adding amount of the tows, and the regular triangle filter stick with small absorption resistance can be prepared. The wrapping paper for internal support can adopt flavoring and charging wrapping paper, and can be used for preparing the fragrant sheet filter stick.
The technical scheme of the invention is as follows:
the invention discloses a hollow triangular filter stick filled with an interlayer, which is cylindrical in appearance, and comprises a cylinder W1 rolled by outer forming paper W as an outer layer, and a cylinder N1 folded by inner forming paper N as a cylindrical inner layer along the axial cross section of the cylinder W1; and three apexes of the triangle N1 are on the inner wall surface of the cylinder W1; wherein, outer tows S1 are filled between the outer forming paper W and the inner forming paper N.
Preferably, the outer forming paper W has a basis weight of 30 to 40g/m 2 。
Preferably, the inner forming paper N has a basis weight of 90 to 110g/m 2 。
Preferably, the triangle N1 is folded for the two inner forming sheets 2.
Preferably, the outer tow S1 has a single denier and a total denier of 3.0-12.0Y, 15000-35000D; generally 3.9Y/31000D, 3.0Y/32000D, 3.0Y/35000D and 3.8Y/34000D, and can be selected according to the design requirements of the filter stick. Generally, the conventional filter sticks are 3.0-3.9Y, 31000-35000D, the middle filter sticks are 3.8-6.7Y, 22000-34000D, and the fine filter sticks are 6.0-12.0Y, 15000-16000D.
Preferably, the inner and outer wrap papers can be perfumed separately or simultaneously.
The invention discloses a method for molding a hollow triangular filter stick filled with an interlayer, which uses a filter stick one-step molding system;
the filter stick one-step forming system comprises the following components: a forming horn mouth C, an outer forming paper conveyor belt 3W, an inner forming paper conveyor belt 3N and an outer tow conveyor belt 42; the forming horn mouth C comprises an outer forming horn mouth 11 and an inner forming horn mouth 21, and the inner forming horn mouth 21 is sleeved in the outer forming horn mouth 11; the outer forming bell mouth 11 is in a cylindrical shape with the radius gradually reduced; the inner horn mouth 21 is divided into two layers, the outer layer 211 is a cylinder shape gradually transited from a circular shape to a regular triangle, and the inner layer 212 is a regular triangle with a larger area at one end and a regular triangle with a smaller area at the other end;
the method for forming the interlayer filled hollow triangular filter stick comprises the following steps: the outer molding paper conveying belt 3W conveys the outer molding paper W to the inlet of the molding bell mouth C, the outer molding paper is baked by the outer molding paper baking device 31 and then enters the cylinder of the outer molding bell mouth 11 to be molded into a cylinder WI shape, the outer molding paper is sized by the outer lap glue device 33 and then comes out from the outlet of the outer molding bell mouth 11, and at the moment, the outer tow S1 conveyed by the outer tow conveying belt 42 is conveyed into the outer molding paper W; meanwhile, the inner forming paper conveyor belt 3N conveys the inner forming paper N to the inlet of the forming trumpet nozzle C, the inner forming paper N enters between the outer layer 211 and the inner layer 212 of the inner forming trumpet nozzle 21 after being baked by the inner forming paper baking device 32, and the inner forming paper N is gradually formed into a cylindrical shape of a regular triangle N1 and then comes out from the outlet of the inner forming trumpet nozzle 21 after being glued by the inner lap adhesive device 33; the cylinder shape of the regular triangle N1 is sleeved with a cylinder WI from the outlet of the outer forming horn nozzle 11, and an outer tow S1 is filled between the outer forming paper W and the inner forming paper N; the formed interlayer-filled triangular filter stick is glued by a gluing device 35, three vertexes of a triangle N1 are glued on the inner wall surface of a cylinder W1, heated by a heater 36, cooled and formed by a cooler 37, cut by a cutter 38 and output by a rod separating roller 39, and the interlayer-filled hollow triangular filter stick is obtained.
The hollow triangular filter stick filled with the interlayer prepared by the invention is used as a base stick A, and is combined with other filter sticks B of different types such as bead blasting filter sticks, particle filter sticks, flavoring filter sticks and the like for one time according to a certain sequence and length proportion to prepare a triangular binary composite filter stick filled with the interlayer, and the base stick A is combined with the filter sticks B1 and B2 for two times according to a certain sequence and length proportion to prepare a triangular ternary composite filter stick filled with the interlayer. After the cigarette making machine on the composite filter stick is connected with the cigarette, the triangular filter stick filled in the interlayer is arranged at the lip end of the cigarette.
The invention has the beneficial effects that:
1. the invention adopts different filament bundles with single denier and different inner and outer wrap papers with different quantification to prepare the hollow triangular filter stick filled with the interlayer, thereby realizing different functions; the filled tows can adopt low single denier tows, and the filtering efficiency is improved. The hollow filter stick obtained by the method in the prior art can not be processed in a differentiation mode by utilizing the existing flavoring technology and can not be made into a hollow filter stick section due to thermoplastic molding.
2. The invention designs and prepares the forming horn mouth by itself. The forming horn mouth comprises an outer forming horn mouth and an inner forming horn mouth, and the inner forming horn mouth is sleeved in the outer forming horn mouth; the outer molding horn mouth is cylindrical with a gradually reduced radius; the inner horn mouth is divided into two layers, the outer layer is in a cylindrical shape gradually transited from a circular shape to a regular triangle, and the inner layer is in a triangular prism shape with one end of the regular triangle with a larger area and the other end of the regular triangle with a smaller area. The forming horn mouth of the invention can easily form the inner and outer forming paper into the required shape at one time. The forming horn mouth of the invention can easily form the inner and outer forming paper into the required shape at one time; is easy to carry out large-scale industrial production.
3. The inner and outer layers of the forming paper are bonded together, tows are filled between the inner and outer layers of the forming paper, and the inner layer of the forming paper is a cavity which is different from the position and mechanism of the hollow structure in the conventional hollow filter stick for smoke circulation; the hollow triangular filter stick filled with the interlayer can better gather smoke, the smoke is softer and finer, the smoothness sense is good, the smoke conglobates, and the smoke absorbing sense is mellow and the convergence sense is strong.
4. The hollow triangular filter rod filled with the interlayer, provided by the invention, has the advantages that the interlayer is filled with the tows, and the perfuming function of the tows can be better exerted by matching the perfuming of the forming paper and the perfuming of the tows, so that the cigarette fragrance gathering is more favorably realized, the cigarette fragrance quality is improved, the fragrance quantity is enhanced, and the cigarette sensory quality can be effectively improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a vertical filter rod central shaft of a sandwich-filled hollow triangular filter rod of the present invention.
FIG. 2 is a schematic view of a shaped flare according to the present invention.
FIG. 3 is a schematic view of an internally formed flare of the present invention.
Fig. 4 is a schematic diagram of a one-step molding system of the interlayer filled hollow triangular filter stick.
The reference signs are: 11. externally molding a horn mouth; 111. a fixed point; 21. internally forming a horn mouth; 211. an outer layer; 212. an inner layer; 3W, an outer forming paper conveyor belt; 3N, conveying belts for inner and outer forming paper; 31. an outer forming paper baking device; 32. an inner forming paper baking device; 33. an internal lap adhesive device; 34. an external lap adhesive device; 35. a bonding glue device; 36. a heater; 37. a cooler; 38. a cutter; 39. a rod separating roller; 41. wrapping the outer tow; 42. an outer tow conveyor belt; 43. an external additive tank; w, outer forming paper; n, inner forming paper; w1, cylinder; n1, triangle; C. forming a horn mouth; s1, outer tows.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to these examples. The experimental methods not specified in the examples are generally commercially available according to the conventional conditions and the conditions described in the manual, or according to the general-purpose equipment, materials, reagents and the like used under the conditions recommended by the manufacturer, unless otherwise specified. The starting materials required in the following examples and comparative examples are all commercially available.
As shown in fig. 1, the cross section of the interlayer-filled hollow triangular filter stick is vertical to the central axis of the filter stick, the triangular filter stick is cylindrical, the outer layer of the triangular filter stick is made of outer forming paper W which is rolled into a cylinder W1, and the inner layer of the triangular filter stick is a cylinder which is formed by folding inner forming paper N and has a regular triangle N1 along the axial cross section of the cylinder W1; and three apexes of the triangle N1 are on the inner wall surface of the cylinder W1; wherein, outer tows S1 are filled between the outer forming paper W and the inner forming paper N. The outer forming paper W has a basis weight of 30 to 40g/m 2 . The quantitative amount of the inner forming paper N is 90-110g/m 2 . Triangle N1 is the fold of the two inner forming sheets 2.
The single and total deniers of the outer tow S1 were 3.0Y/32000D.
The invention discloses a method for molding a hollow triangular filter stick filled with an interlayer, which uses a filter stick one-step molding system;
as shown in fig. 4, the filter rod one-step molding system comprises the following components: a forming horn mouth C, an outer forming paper conveyor belt 3W, an inner forming paper conveyor belt 3N and an outer tow conveyor belt 42; as shown in fig. 2, the forming horn mouth C includes an outer forming horn mouth 11 and an inner forming horn mouth 21, and the inner forming horn mouth 21 is sleeved in the outer forming horn mouth 11; the outer forming bell mouth 11 is in a cylindrical shape with the radius gradually reduced; as shown in fig. 3, the inner horn mouth 21 has two layers, the outer layer 211 is a cylinder shape gradually transited from a circular shape to a regular triangle, and the inner layer 212 is a prism shape with one end of the regular triangle having a larger area and the other end of the regular triangle having a smaller area;
the method for forming the hollow triangular filter stick filled in the interlayer comprises the following steps: the outer molding paper conveying belt 3W conveys the outer molding paper W to the inlet of the molding bell mouth C, the outer molding paper is baked by the outer molding paper baking device 31 and then enters the cylinder of the outer molding bell mouth 11 to be molded into a cylinder WI shape, the outer molding paper is sized by the outer lap glue device 33 and then comes out from the outlet of the outer molding bell mouth 11, and at the moment, the outer tow S1 conveyed by the outer tow conveying belt 42 is conveyed into the outer molding paper W; meanwhile, the inner forming paper conveyor belt 3N conveys the inner forming paper N to the inlet of the forming horn mouth C, the inner forming paper is baked by the inner forming paper baking device 32 and then enters between the outer layer 211 and the inner layer 212 of the inner forming horn mouth 21, the inner forming paper is gradually formed into a cylindrical shape of a regular triangle N1, and the inner forming paper is sized by the inner lap adhesive device 33 and then comes out from the outlet of the inner forming horn mouth 21; the cylinder shape of the regular triangle N1 is sleeved with a cylinder WI from the outlet of the outer forming horn nozzle 11, and an outer tow S1 is filled between the outer forming paper W and the inner forming paper N; the formed triangular filter stick filled with the interlayer is glued by a gluing device 35, three vertexes of a triangle N1 are glued on the inner wall surface of a cylinder W1, heated by a heater 36, cooled and formed by a cooler 37, cut by a cutter 38 and output by a rod separating roller 39, and the hollow triangular filter stick filled with the interlayer is obtained.
The hollow triangular filter stick filled with the interlayer prepared by the invention is used as a base stick A, and is combined with other filter sticks B with different types such as bead blasting filter sticks, particle filter sticks, flavoring filter sticks and the like at one time according to a certain sequence and length proportion to prepare a triangular binary composite filter stick filled with the interlayer, and the base stick A is combined with the filter sticks B1 and B2 at a second time according to a certain sequence and length proportion to prepare a triangular ternary composite filter stick filled with the interlayer. After the cigarette making machine on the composite filter stick is connected with the cigarette, the triangular filter stick filled in the interlayer is arranged at the lip end of the cigarette.
Compared with the method in the prior art, the method of the invention has the advantages that the operation condition and the obtained result of the cigarette are as follows:
production method Quality of fragrance Amount of fragrance Soft and fine degree Feeling of roundness and moisture Sense of convergence Sensory quality of cigarette
Method of the invention 14 16.0 4.5 5 5 91.5
Method of the prior art 13 14.5 3.5 3.5 3 90.0
The comparison shows that the hollow triangular filter stick filled with the interlayer prepared by the method is used for cigarettes prepared by tipping the composite filter stick, the smoke is gathered, the smoke is softer and more exquisite, the smoothness is good and conglobation, the smoking taste is mellow and strong, the convergence is strong, the aroma quality and the aroma amount are increased, and the sensory quality of the cigarettes can be effectively improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The hollow triangular filter stick filled with the interlayer is characterized in that the hollow triangular filter stick is cylindrical in appearance, the outer layer of the hollow triangular filter stick is an outer forming paper (W) and is rolled into a cylinder (W1), and the inner layer of the hollow triangular filter stick is a cylinder (N1) which is formed by folding an inner forming paper (N) and has a regular triangle (N1) cross section along the axial direction; and three apexes of the triangle (N1) are on the inner wall surface of the cylinder (W1); wherein, the outer tows (S1) are filled between the outer forming paper (W) and the inner forming paper (N).
2. The hollow triangular filter rod according to claim 1, wherein the outer shaping paper (W) has a basis weight of 30-40g/m 2 。
3. The hollow triangular filter rod according to claim 1, wherein the inner shaping paper (N) has a basis weight of 90-110g/m 2 。
4. A hollow triangular filter rod according to claim 1, wherein the triangle (N1) is folded by two layers of inner plug wrap (2).
5. The hollow triangular filter rod according to claim 1, wherein the outer tow (S1) is 3.0-12.0Y, 15000 and 35000D.
6. A method for forming a sandwich filled hollow triangular filter rod according to any one of claims 1 to 5, wherein a filter rod one-shot forming system is used;
the filter stick one-step forming system comprises the following components: a molding horn mouth (C), an outer molding paper conveyor belt (3W), an inner molding paper conveyor belt (3N) and an outer tow conveyor belt (42); the forming horn mouth (C) comprises an outer forming horn mouth (11) and an inner forming horn mouth (21), and the inner forming horn mouth (21) is sleeved in the outer forming horn mouth (11); the outer molding horn mouth (11) is in a cylindrical shape with the radius gradually reduced; the inner horn mouth (21) is divided into two layers, the outer layer (211) is in a cylindrical shape gradually transited from a circular shape to a regular triangle, and the inner layer (212) is in a triangular prism shape with one end of the regular triangle with a larger area and the other end of the regular triangle with a smaller area;
the method for forming the interlayer filled hollow triangular filter stick comprises the following steps: the outer forming paper (W) is conveyed to the inlet of the forming horn nozzle (C) by an outer forming paper conveying belt (3W), is baked by an outer forming paper baking device (31) and then enters the cylinder of the outer forming horn nozzle (11) to be formed into a cylinder (WI) shape, is sized by an outer lap adhesive device (33) and then comes out from the outlet of the outer forming horn nozzle (11), and at the moment, an outer tow (S1) conveyed from an outer tow conveying belt (42) is conveyed into the outer forming paper (W); meanwhile, the inner forming paper (N) is conveyed to the inlet of the forming horn nozzle (C) by the inner forming paper conveying belt (3N) and is baked by the inner forming paper baking device (32), enters between the outer layer (211) and the inner layer (212) of the inner forming horn nozzle (21), is gradually formed into a cylindrical shape of a regular triangle (N1), and is glued by the inner lap joint glue device (33) and then comes out from the outlet of the inner forming horn nozzle (21); the cylindrical shape of the regular triangle (N1) is sleeved with a cylinder (WI) from an outlet of the outer forming horn nozzle (11), and outer tows (S1) are filled between the outer forming paper (W) and the inner forming paper (N); after the formed interlayer-filled triangular filter stick is glued by a gluing device (35), three vertexes of a triangle (N1) are glued on the inner wall surface of a cylinder (W1), the triangle is heated by a heater (36), cooled and formed by a cooler (37), cut by a cutter (38) and output by a rod separating roller (39), and the interlayer-filled hollow triangular filter stick is obtained.
CN202210568106.6A 2022-05-24 2022-05-24 Interlayer filled hollow triangular filter rod and processing method thereof Pending CN114983015A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202210568106.6A CN114983015A (en) 2022-05-24 2022-05-24 Interlayer filled hollow triangular filter rod and processing method thereof
KR1020237035013A KR20230164691A (en) 2022-05-24 2023-03-08 Hollow triangular filter rod filled with multiple layers and processing method thereof
PCT/CN2023/080195 WO2023226519A1 (en) 2022-05-24 2023-03-08 Filter rod having hollow triangle section and interlayer filler, and processing method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210568106.6A CN114983015A (en) 2022-05-24 2022-05-24 Interlayer filled hollow triangular filter rod and processing method thereof

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Publication Number Publication Date
CN114983015A true CN114983015A (en) 2022-09-02

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WO2023226519A1 (en) * 2022-05-24 2023-11-30 云南中烟工业有限责任公司 Filter rod having hollow triangle section and interlayer filler, and processing method therefor

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WO2023226519A1 (en) * 2022-05-24 2023-11-30 云南中烟工业有限责任公司 Filter rod having hollow triangle section and interlayer filler, and processing method therefor

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