CN115316704A - Cigarette punching method with adjustable ventilation rate - Google Patents
Cigarette punching method with adjustable ventilation rate Download PDFInfo
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- CN115316704A CN115316704A CN202210839401.0A CN202210839401A CN115316704A CN 115316704 A CN115316704 A CN 115316704A CN 202210839401 A CN202210839401 A CN 202210839401A CN 115316704 A CN115316704 A CN 115316704A
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/60—Final treatment of cigarettes, e.g. marking, printing, branding, decorating
- A24C5/606—Perforating cigarettes
- A24C5/607—Perforating cigarettes by mechanical means
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/005—Treatment of cigarette paper
- A24C5/007—Perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/30—Organic material
- B23K2103/40—Paper
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention provides a cigarette punching method with adjustable ventilation rate, which relates to the technical field of cigarette preparation and comprises the following steps: s1: forming a first through hole on the forming paper in advance to form a first ventilation area; s2: pre-forming second through holes in the tipping paper, and forming a functional groove between the two second through holes to form a tearable area; s3: when the cigarette is prepared, the tipping paper is coated on the outer side of the forming paper, and the tearable area covers the outer side of the first ventilation area; s4: and (3) perforating the cigarette on line, and arranging a reference ventilation hole on the tipping paper and the forming paper to form a second ventilation area. The cigarette ventilation device is simple and convenient, the forming paper and the tipping paper are pre-punched to form the first ventilation area which can be torn off and matched with the second ventilation area which is formed by on-line punching of cigarettes, a smoker can tear off the tearable area, so that the cigarette ventilation rate is changed, the smoking experience of the smoker is increased, and the tearable area is in a non-torn state during cigarette preparation, so that the stability of cigarette production is not influenced, and the cigarette ventilation device is good in applicability.
Description
Technical Field
The invention relates to the technical field of cigarette preparation, in particular to a cigarette punching method with adjustable ventilation rate.
Background
The cigarette material directly determines the physical parameters of the cigarette, influences the combustion state of the cigarette, plays a key role in the appearance quality of the cigarette, the components of main stream smoke, the sensory quality and the like, is one of the main control modes of the smoke indexes in the cigarette production, and can be divided into a cigarette paper combustion end and a filter stick filtering end according to the action mechanism. The tobacco material determines the combustion state of the conventional cigarette to a certain extent, and influences the composition ratio of main stream smoke through the filtering and diluting effects, and finally influences the sensory quality of the smoke. The design and the proportion of the parameters of the cigarette material are one of the most direct and simple conventional technical approaches for improving the smoke indexes and the sensory quality of the cigarettes. The cigarette material determines the combustion state of the conventional cigarette to a certain extent, and influences the composition ratio of the main stream smoke through the filtering and diluting effects, and finally influences the sensory quality of the smoke. The design and the proportion of the parameters of the cigarette material are one of the most direct and simple conventional technical approaches for improving the smoke indexes and the sensory quality of the cigarettes.
The cigarette paper ventilation can be realized in two ways: and online punching and pre-punching. The production mostly adopts a pre-perforation mode, namely, the perforated cigarette paper (electrostatic perforation or laser perforation) is used for installing the high-permeability filter stick and the cigarette rod which are wrapped by the high-permeability forming paper. The cigarette paper is perforated in a linear circumferential direction at present, perforation hole bands are generally controlled to be 1-5 rows, and 10-25 holes can be perforated in each row according to different cigarette diameters.
At present, the ventilation rate of cigarettes is designed by presetting a punching number in advance, and punching operation of a preset program is carried out through laser punching, so that the ventilation rate of the cigarettes leaving a factory is fixed, and only the ventilation rate of the cigarettes is evaluated at most, so that the ventilation rate of the cigarettes reaches a better level. The technical scheme of the method for controlling the total ventilation rate of the cigarettes comprises the following steps: selecting filter stick pressure drop, joint glue environment temperature, viscosity after proportional mixing of lap joint glue and glue-free area of a glue roller of a glue applying system of a cigarette making machine as influence factors, and designing n groups of test schemes by adopting a 4-factor n horizontal uniform design test method; step two, placing the cigarette samples corresponding to each group of test schemes into specific equipment for testing to generate test data; and thirdly, performing regression analysis on the test data to determine the optimal value of each influence factor.
The above ventilation rate control method still has the following problems: the cigarette finished product can only be tested, the improvement is the preset value of the punching quantity during cigarette production, the produced cigarette ventilation rate is still a fixed value, smokers are numerous, the requirements for the cigarette taste are different, the cigarette ventilation rate cannot be changed temporarily according to different smokers, and the smoking experience of the smokers is poor.
Therefore, in order to solve the above problems, it is necessary to design a cigarette perforation method with adjustable ventilation rate.
Disclosure of Invention
The invention aims to provide a simple and convenient cigarette punching method with adjustable ventilation rate, which is capable of punching holes on forming paper and tipping paper in a pre-punching mode to form a first ventilation area generated by tearing and tearing, and matching with a second ventilation area formed by on-line punching of cigarettes, and a smoker can tear the tearable area to obtain ventilation of the first ventilation area by increasing the cigarette ventilation rate under the ventilation of the second ventilation area, so that the cigarette ventilation rate is changed, the smoking experience of the smoker is increased, the tearable area is in a non-torn state during cigarette preparation, the stability of the tipping paper produced by cigarettes is not influenced, and the cigarette punching method with adjustable ventilation rate is good in applicability.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
a cigarette punching method with adjustable ventilation rate comprises the following steps:
s1: forming first through holes in the forming paper in advance, so that the first through holes are uniformly distributed to form a first ventilation area;
s2: a plurality of second perforations are formed in the tipping paper in advance, and a functional groove is formed between the two second perforations, so that the second perforations and the functional groove form a tearable area;
s3: when the cigarette is prepared, the forming paper is covered on the outer side of the tobacco shred section, the tipping paper is covered on the outer side of the forming paper, and the tearable area is just covered on the outer side of the first ventilation area;
s4: and (3) perforating the prepared cigarette on line, and perforating by perforating the tipping paper and the forming paper to form a second ventilation area formed by a plurality of reference ventilation holes.
Preferably, in the present invention, the formed paper is transparent formed paper when step S1 is performed.
Preferably, in step S2, the depth of the functional grooves is smaller than the thickness of the tipping paper.
As a preferable aspect of the present invention, when step S2 is performed, the number of the tearable areas is at least one.
Preferably, step S3 is executed in such a way that each tearable area covers the same number of first perforations.
In the present invention, it is preferable that the reference vent hole has an aperture not smaller than the aperture of the first penetration hole when step S4 is performed.
Preferably, the first through holes and the reference vent holes are arranged at intervals, the second through holes are communicated with the functional grooves, and the functional grooves are connected end to end.
Preferably, after step S4 is performed, a tearing head is attached to the end of the tearable area.
Preferably, the step S4 is executed, and specifically includes the following steps:
s41: obtaining the material and thickness of the tipping paper and the material and thickness of the forming paper;
s42: acquiring the number of layers of tipping paper and the number of layers of forming paper at a cigarette punching position through an isotope scanner arranged at the end part of a cigarette, and sending the layers to a power controller of laser punching equipment;
s43: the power controller adjusts the output power of the laser output head, and ensures that the laser output head can just punch through the tipping paper and the forming paper.
Preferably, in the step S41, the material of the cut tobacco is also obtained;
when the step S42 is executed, the tightness of the tobacco shreds at the cigarette punching holes is obtained through the isotope scanner and is sent to a motor for driving the cigarettes to rotate, so that the rotating speed of the motor is changed;
when step S43 is executed, an infrared sensor beside the laser output head senses whether the tobacco shreds are burnt, and if yes, the output power of the laser output head is reduced; otherwise, no operation is performed.
The cigarette punching method with adjustable ventilation rate has the beneficial effects that: simple and convenient, punch on shaping paper and connecing dress paper through the form of punching in advance, form and to tear the first ventilation district that takes off the production, cooperate with the second ventilation district that cigarette propped up the online formation of punching, the aspirator wants to increase a cigarette ventilation rate and can tear the ventilation that obtains first ventilation district with tearing the district under the ventilation in second ventilation district, thereby change a cigarette ventilation rate, increase aspirator's suction experience, and the cigarette can tear the district when preparing and be the state that does not tear, can not influence the dress paper stability that connects of cigarette production, and the suitability is good.
Drawings
FIG. 1 is a schematic flow chart of a method of perforating a cigarette with adjustable ventilation according to the present invention;
FIG. 2 is a schematic view illustrating the perforation of a forming paper in the cigarette perforation method with adjustable ventilation rate according to the present invention;
FIG. 3 is a schematic diagram of the perforation of a tipping paper in a ventilation rate adjustable cigarette perforating method of the present invention;
FIG. 4 is a schematic view of another perforation of the tipping paper in the method of perforating a cigarette with adjustable ventilation according to the invention.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and structures set forth in these embodiments does not limit the scope of the invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
The first embodiment is as follows: as shown in fig. 1 to 3, a cigarette perforation method with adjustable ventilation rate comprises the following steps:
s1: forming first through holes in the forming paper in advance, so that the first through holes are uniformly distributed to form a first ventilation area;
generally, before the forming paper is used, the forming paper is a rectangular paper, and a plurality of rows of first perforations are uniformly arranged on the rectangular forming paper, preferably in an array arrangement, as shown in fig. 2; then after the paper is formed to cover the length of tobacco, a plurality of bands of perforations may be formed in the tobacco rod to form the first ventilation zone.
S2: a plurality of second perforations are formed in the tipping paper in advance, and a functional groove is formed between the two second perforations, so that the second perforations and the functional groove form a tearable area;
similarly, the tipping paper is also a rectangular paper before use, a plurality of second perforations are arranged on the rectangular tipping paper, and one or more functional grooves are arranged between two adjacent second perforations to connect the second perforations to form a tearable area; the depth of the functional groove is smaller than the thickness of the tipping paper, which is equivalent to the fact that the tearable area and the tipping paper are still connected together, but the thickness of the joint is reduced (which is the difference value between the thickness of the tipping paper and the depth of the functional groove), so that the joint is easy to break and can be torn off, and the joint is called as a tearable area.
S3: when the cigarette is prepared, the forming paper is covered on the outer side of the tobacco shred section, the tipping paper is covered on the outer side of the forming paper, and the tearable area is just covered on the outer side of the first ventilation area;
actually, the filter stick is coated with formed paper outside the filter stick to form a filter stick segment, the cut tobacco is coated with the formed paper outside the cut tobacco to form a cut tobacco segment, and tipping paper is coated outside the formed paper to splice the filter stick segment and the cut tobacco segment together; here, it is desirable that the tearable area covers just outside the first ventilation area.
Preferably, when step S2 is executed, the tearable area is also horizontally disposed, so that when the tipping paper is wrapped on the forming paper, the tearable area is also disposed around the circumference of the cigarette, and only the circumference of the tearable area and the circumference of the first ventilation area need to be overlapped, that is, the tearable area connected with the tipping paper blocks the first ventilation area.
S4: and (3) perforating the prepared cigarette on line, and perforating by perforating the tipping paper and the forming paper to form a second ventilation area formed by a plurality of reference ventilation holes.
Of course, in order to ensure the ventilation rate of the cigarettes, laser on-line punching is carried out on the outer side of the cigarettes before the cigarettes are cut after being connected, and meanwhile, the forming paper and the tipping paper are punched to ensure the ventilation of the tobacco shreds with the outside, so the cigarettes are called as reference ventilation holes, and the reference ventilation holes are also generally arranged around the circumference of the cigarettes.
Before the tearable area is torn off, the first ventilation area has no ventilation capability, the second ventilation area has ventilation capability, and the second ventilation area is the lowest ventilation rate which ensures that the mouth feeling of smoking is within the required value range; the first ventilation zone is also provided with ventilation capability after the tear zone is torn off, so that the first ventilation zone and the second ventilation zone are substantially the highest ventilation rate that ensures a mouth feel for smoking within the desired value range.
Preferably, the number of the tearable areas is at least one, the tearable areas are uniformly arranged circumferentially around the outer side of the cigarette, and the highest ventilation rate of the smoking taste within the required value range is achieved only after all the tearable areas are torn; the smokers can select whether to tear off the tearable area and how many tearable areas according to the self requirements, so that the ventilation rate which is most suitable for the smoking mouthfeel of the smokers is achieved, and the smoking experience of the smokers is increased.
It should be noted that before the tearable area is torn, the tearable area is still connected with the tipping paper, and the tipping paper can be understood as relatively complete paper, and is not easy to break and damage when the cigarette is tipped, and the tipping stability is guaranteed.
The cigarette punching method with the adjustable ventilation rate is simple and convenient, the forming paper and the tipping paper are punched in a pre-punching mode to form a first ventilation area which can be torn off and matched with a second ventilation area which is formed by on-line punching of cigarettes, a smoker can tear off the tearable area to obtain ventilation of the first ventilation area by increasing the cigarette ventilation rate under the ventilation of the second ventilation area, so that the cigarette ventilation rate is changed, the smoking experience of the smoker is increased, the tearable area is in a non-torn state during cigarette preparation, the stability of the tipping paper for cigarette production cannot be influenced, and the cigarette punching method is good in applicability.
The second embodiment: as shown in fig. 1 to 4, which are only one embodiment of the present invention, in the cigarette perforation method with adjustable ventilation rate according to the present invention, on the basis of the first embodiment, in step S1, the forming paper is transparent forming paper, and the forming paper can be selected to be transparent forming paper, so that when the tearable area is torn, one can directly see the filter stick or the cut tobacco, and can see the filter stick made of a special material, the filter stick made of a special LOGO (LOGO), or the cut tobacco added with popping beads with corresponding taste.
In addition, when step S3 is executed, the number of the first through holes covered by each tearable area is the same and corresponding, the outer side of the tearable area is provided with a ventilation rate mark, and when one tearable area is torn down, the ventilation rate of the cigarette is increased by a certain value (for example, by 25%), four tearable areas are torn down, that is, the ventilation rate of the cigarette is doubled.
And, when step S4 is executed, the aperture of the reference vent hole is not smaller than the aperture of the first perforation; namely, the reference ventilation rate of the reference ventilation holes is ensured, and the tipping paper and the forming paper can be punched, and the ventilation rate is ensured.
Of course, the first perforation and the reference vent are spaced apart,
it should be noted that the tearable area itself may actually constitute the LOGO of LOGO, and the tearable area has the following two structures:
a first type, namely the functional grooves are arranged between every two adjacent second perforations, namely the second perforations and the functional grooves are alternately arranged, so that a LOGO mark formed by connecting a single-line extending structure is conveniently formed, as shown in figure 3, so that a tearable area can be torn off more easily, but the tipping strength of tipping paper is slightly lower;
the second type and the second perforation are actually end points of the tearable area, a plurality of (more than or equal to 2) functional grooves which are connected end to end are arranged between the two second perforations to form a LOGO mark which is formed by connecting a double-line extending structure, as shown in figure 4, when the tearable area is torn down, the second perforation is the end point, so that the tearable area is slightly difficult to tear down, but the tipping strength of the tipping paper 3 is high; in this case, a tear-off head may be attached to the end of the tearable region.
Here, in the second structure, the end portions of the double lines are connected through the functional grooves, and when the tearable region is torn, the portion between the two parallel bands is actually torn off, so that a hollow space of a certain stroke of a Chinese character is formed.
Example three: still as shown in fig. 1, which is only one embodiment of the present invention, on the basis of any one of the above embodiments, the method for perforating a cigarette with adjustable ventilation rate of the present invention specifically includes the following steps when step S4 is executed:
s41: obtaining the material and thickness of the tipping paper and the material and thickness of the forming paper;
s42: acquiring the number of layers of tipping paper and the number of layers of forming paper at a cigarette punching position through an isotope scanner arranged at the end part of a cigarette, and sending the layers to a power controller of laser punching equipment;
s43: the power controller adjusts the output power of the laser output head, and ensures that the laser output head can just punch through the tipping paper and the forming paper.
No matter connect dress paper department, connect dress paper addition shape paper stack department or connect dress paper overlap joint department, because the difference of the number of piles distribution of paper, adjust different laser output power to ensure that the paper is punched through, effectively ensured a cigarette ventilation rate.
In addition, when step S41 is executed, the material of the cut tobacco is also obtained;
when the step S42 is executed, the tightness of the tobacco shreds at the cigarette punching holes is obtained through the isotope scanner and is sent to a motor for driving the cigarettes to rotate, so that the rotating speed of the motor is changed;
when step S43 is executed, an infrared sensor beside the laser output head senses whether the tobacco shreds are burnt, and if yes, the output power of the laser output head is reduced; otherwise, no operation is performed.
The motor is an infinitely variable speed motor, the rotating speed of the motor can be adjusted according to the compactness of tobacco shreds, and the rotating speed of the motor directly influences the distance between two adjacent reference ventilation holes on the outer side of the cigarette due to the fact that the time interval between two times of laser output of the laser output head is fixed; for example: the higher the compactness of the tobacco shreds, the higher the ventilation requirement, the low rotation speed of the motor and the short distance between two adjacent reference ventilation holes, namely the denser the reference ventilation holes; thus, the ventilation uniformity of the whole cigarette can be ensured to be higher.
The lower end of the laser drilling equipment is also provided with an infrared probe which has the same extension direction with the laser output head; the infrared probe detects the temperature of the reference ventilation hole in real time, so that the situation that the tobacco shred tows in a cigarette are burnt to influence the smoking texture of the cigarette due to overhigh temperature during laser drilling is prevented, the burning temperature of the cigarette paper is different from that of the tobacco tows, the infrared probe detects the temperature of the drilling hole in real time, and once the tobacco shred tows are burnt and belong to the abnormal drilling state, a signal is sent to the power controller to correct laser drilling parameters, namely the output power of the laser output head is reduced; otherwise, the cigarette paper is burned by laser, belongs to a normal punching state, and does not send any correction signal.
The cigarette punching method with the adjustable ventilation rate is simple and convenient, the forming paper and the tipping paper are punched in a pre-punching mode to form a first ventilation area which can be torn off and matched with a second ventilation area which is formed by on-line punching of cigarettes, a smoker can tear off the tearable area to obtain ventilation of the first ventilation area by increasing the cigarette ventilation rate under the ventilation of the second ventilation area, so that the cigarette ventilation rate is changed, the smoking experience of the smoker is increased, the tearable area is in a non-torn state during cigarette preparation, the stability of the tipping paper for cigarette production cannot be influenced, and the cigarette punching method is good in applicability.
The present invention is not limited to the above-described specific embodiments, and various modifications and changes can be made to the present invention. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A cigarette punching method with adjustable ventilation rate is characterized in that: the method comprises the following steps:
s1: forming first through holes in advance in the forming paper, and enabling the first through holes to be uniformly distributed to form a first ventilation area;
s2: a plurality of second perforations are formed in the tipping paper in advance, and a functional groove is formed between the two second perforations, so that the second perforations and the functional groove form a tearable area;
s3: when the cigarette is prepared, the forming paper is covered on the outer side of the tobacco shred section, the tipping paper is covered on the outer side of the forming paper, and the tearable area is just covered on the outer side of the first ventilation area;
s4: and (3) perforating the prepared cigarette on line, and perforating the tipping paper and the forming paper to form a second ventilation area formed by a plurality of reference ventilation holes.
2. The cigarette perforating method with adjustable ventilation rate of claim 1, characterized in that:
when step S1 is executed, the formed paper is transparent formed paper.
3. The cigarette perforating method with adjustable ventilation rate of claim 1, characterized in that:
and step S2 is executed, wherein the depth of the functional groove is smaller than the thickness of the tipping paper.
4. The cigarette perforating method with adjustable ventilation rate of claim 1, characterized in that:
when step S2 is executed, the number of tearable areas is at least one.
5. The cigarette perforation method with adjustable ventilation rate according to claim 4, wherein the method comprises the following steps:
when step S3 is executed, the number of the first perforations covered by each tearable area is the same.
6. The cigarette perforating method with adjustable ventilation rate of claim 1, characterized in that:
when step S4 is performed, the aperture of the reference vent is not smaller than the aperture of the first penetration hole.
7. The cigarette perforating method with adjustable ventilation rate of claim 1, characterized in that:
first perforation and benchmark ventilation hole are the interval setting, and the second is perforated and function groove intercommunication setting, and a plurality of function groove end to end.
8. The cigarette perforating method with adjustable ventilation rate of claim 1, characterized in that:
and after the step S4 is executed, adhering a tearing head at the end part of the tearable area.
9. The cigarette perforation method with adjustable ventilation rate according to claim 1, wherein the method comprises the following steps:
when step S4 is executed, the method specifically includes the following steps:
s41: obtaining the material and thickness of the tipping paper and the material and thickness of the forming paper;
s42: acquiring the number of layers of tipping paper and the number of layers of forming paper at a cigarette punching hole by an isotope scanner arranged at the end part of a cigarette, and sending the number of layers of the tipping paper and the number of layers of the forming paper to a power controller of laser punching equipment;
s43: the power controller adjusts the output power of the laser output head, and ensures that the laser output head can just punch through the tipping paper and the forming paper.
10. The cigarette perforating method with adjustable ventilation rate of claim 9, characterized in that:
when step S41 is executed, the material of the cut tobacco is also obtained;
when the step S42 is executed, the tightness of the tobacco shreds at the cigarette punching position is obtained through the isotope scanner and is sent to a motor for driving the cigarette to rotate, so that the rotating speed of the motor is changed;
when step S43 is executed, an infrared sensor beside the laser output head senses whether the tobacco shreds are burnt, and if yes, the output power of the laser output head is reduced; otherwise, no operation is performed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210839401.0A CN115316704A (en) | 2022-07-18 | 2022-07-18 | Cigarette punching method with adjustable ventilation rate |
| PCT/CN2022/131827 WO2024016527A1 (en) | 2022-07-18 | 2022-11-15 | Cigarette perforation method achieving adjustable ventilation rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210839401.0A CN115316704A (en) | 2022-07-18 | 2022-07-18 | Cigarette punching method with adjustable ventilation rate |
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| CN115316704A true CN115316704A (en) | 2022-11-11 |
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| CN202210839401.0A Pending CN115316704A (en) | 2022-07-18 | 2022-07-18 | Cigarette punching method with adjustable ventilation rate |
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| WO (1) | WO2024016527A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016527A1 (en) * | 2022-07-18 | 2024-01-25 | 云南中烟工业有限责任公司 | Cigarette perforation method achieving adjustable ventilation rate |
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| CN114587011A (en) * | 2022-04-07 | 2022-06-07 | 河南中烟工业有限责任公司 | Graded ventilation cigarette and preparation method thereof |
| CN115316704A (en) * | 2022-07-18 | 2022-11-11 | 云南中烟工业有限责任公司 | Cigarette punching method with adjustable ventilation rate |
-
2022
- 2022-07-18 CN CN202210839401.0A patent/CN115316704A/en active Pending
- 2022-11-15 WO PCT/CN2022/131827 patent/WO2024016527A1/en unknown
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| US4174719A (en) * | 1977-06-29 | 1979-11-20 | Olin Corporation | Microperforated filter tip cigarette |
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| KR20050077451A (en) * | 2004-01-28 | 2005-08-02 | 이두원 | Cigarette with holes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024016527A1 (en) * | 2022-07-18 | 2024-01-25 | 云南中烟工业有限责任公司 | Cigarette perforation method achieving adjustable ventilation rate |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024016527A1 (en) | 2024-01-25 |
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