CN109315826A - A kind of method of the Rapid matching ramuscule cigarette smooth slot specification of cigarette machine flattening disc - Google Patents
A kind of method of the Rapid matching ramuscule cigarette smooth slot specification of cigarette machine flattening disc Download PDFInfo
- Publication number
- CN109315826A CN109315826A CN201811231442.1A CN201811231442A CN109315826A CN 109315826 A CN109315826 A CN 109315826A CN 201811231442 A CN201811231442 A CN 201811231442A CN 109315826 A CN109315826 A CN 109315826A
- Authority
- CN
- China
- Prior art keywords
- cigarette
- value
- ramuscule
- flattening disc
- smooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention discloses a kind of Rapid matching ramuscule cigarette methods of the smooth slot specification of cigarette machine flattening disc, measure multiple cigarette samples end mean density value T according to ramuscule density of tobacco rodJ, non-compacted section of mean density value MJ；2. calculating ramuscule cigarette end section Density Distribution Feature value Y；3. whether 2. Y value that judgment step obtains is in (1.20,1.30) range；If Y value is in (1.20,1.30) range, then ramuscule cigarette is suitable with the smooth slot specification of cigarette machine flattening disc, and Y value closer to (1.20+1.30)/2, then ramuscule cigarette is higher with the matching degree of the smooth slot specification of cigarette machine flattening disc and cigarette.Method of the invention it is easy to operate quickly, can on-line determination, as a result accurately and reliably.
Description
Technical field
The invention belongs to cigarette making process device parameters and cigarette weight to evaluate field, and in particular to a kind of Rapid matching
The method of the ramuscule cigarette smooth slot specification of cigarette machine flattening disc.
Background technique
The flattening disc of cigarette machine is a kind of disk that can be cut down extra pipe tobacco, pipe tobacco is made to enter opium pipe as uniform plume
Shape accessory, smooth slot are the groove on flattening disc, and smooth slot can be such that pipe tobacco fills up, and allow tight head end (end section or end endpiece) pipe tobacco
More.In cigarette coiling process, the tight mouth that cigarette both ends are formed is convex portion, cigarette of the groove by reduction on flattening disc
Convex portion on strand, so that the full no bear in cigarette end and making connects mouth quality and stablizes.Cigarette machine flattening disc it is smooth
One of an important factor for slot specification is influence cigarette coiling process quality and cigarette integrated quality, the smooth slot rule of cigarette machine flattening disc
Lattice and the efficient matchings for rolling cigarette specification are to improve cigarette coiling process quality and efficiency, the weight for reducing process cost and loss
It ensures.Currently, the relevant report of the smooth slot specification Matching and modification method of cigarette machine flattening disc is had no both at home and abroad, production scene volume
The smooth slot specification adjustment of smoke machine flattening disc is mainly to carry out gradient adjusting according to the experiences of technologists, and adjustment process is without appointing
What is referred to and the quantitative targets such as verifying, takes time and effort.
Ramuscule Cigarette has the characteristics that Cigarette circumference is small, tar content is low, cigarette is longer, mesh compared with conventional cigarette
Before have become a kind of international trend and increasingly received by market.But since ramuscule Cigarette diameter is small, pipe tobacco is easy
Agglomerating, the problems such as there are quality index and stability be not high, and cigarette combustion cone is easily fallen is crimped, therefore Rapid matching cigarette machine is flat
The whole smooth slot specification of disk optimizes its end section Density Distribution, and it is imperative that reduction ramuscule Cigarette combustion cone falls ratio.
In pipe tobacco occupied state in density of tobacco rod distribution reflection cigarette, in the certain situation of formula material and cigarette specification
Under, density of tobacco rod distribution is mainly influenced by cigarette machine coiling process.The effect of flattening disc is extra in reduction wind sucting chamber passageway
Pipe tobacco and formed high density end (tight head), high density end be control cigarette weight and density of tobacco rod key position.In cigarette
In the case that weight is certain, flattening disc specification also has decisive impact the Density Distribution situation of whole branch cigarette, flattening disc rule
Lattice are the key factors for controlling density of tobacco rod standard deviation.Wherein compacting section (i.e. high density end) is the smooth slot of cigarette machine flattening disc
The cigarette pipe tobacco consolidation part formed is adjusted, is to influence the important area of cigarette integrated quality, and end section (firing tip) is then
The most important thing.The pipe tobacco occupied state of end section will affect the end tobacco-falling quantity of cigarette, in coiling process the loose-ends ratio of cigarette and
The rate that turns around, flame-out rate in cigarette combustion process.Therefore, by adjusting the smooth slot specification of flattening disc, it can be achieved that compacting section
Density profile adjustment, to improve the integrated quality of cigarette.
205682417 U of patent CN discloses a kind of smooth dish structure for PROTOS2-2 ultrahigh speed rolling up and connecting machine, should
Structure is spaced equal portions on disk body and is distributed three deep trouths and three shallow slots, improves cigarette end tobacco density, reduces in high speed
Nominal cigarette phenomenon is generated when production.The patent only discloses single smooth dish structure, but does not provide flattening disc smooth slot rule
The adjustment foundation and method of lattice.
203038063 U of patent CN discloses a kind of based on the smooth disk control system of servo-controlled cigarette machine, the system
The shaft that flattening disc is connected by servo motor, to solve cumbersome flattening disc zero adjustment process, but the patent is also simultaneously
The method of adjustment of flattening disc specification is not referred to.
202680458 U of patent CN discloses a kind of oblique smooth dish structure including two round choppers, improves smooth
The shear strength of disk.203219922 U of patent CN discloses flattening disc circumference uniform force when a kind of raising compresses, smooth
The smooth dish structure of the cigarette machine of degree.Two patents do not refer to the method for adjustment of flattening disc specification in production real process.
Summary of the invention
It is an object of the invention to fill up the method blank of the smooth slot specification adjustment of cigarette machine flattening disc, provide a kind of quick
The method for matching the smooth slot specification of cigarette machine flattening disc of ramuscule Cigarette.The present invention is by establishing cigarette end section density point
Relationship between cloth characteristic value Y and the smooth groove depth of flattening disc, smooth slot arc length, realizing only need to measure and calculate cigarette end section
Density Distribution can fast quantification matching the smooth slot specification of cigarette machine flattening disc purpose.This method is easy to operate quickly, accurately
Degree is high, has filled up the smooth slot specification method of adjustment blank of ramuscule Cigarette cigarette machine flattening disc, to improve ramuscule Cigarette
Coiling process quality and efficiency, reduction process cost and loss provide method support.
The method of a kind of Rapid matching ramuscule cigarette smooth slot specification of cigarette machine flattening disc of the invention, mainly by following
Scheme is realized:
A kind of method of the Rapid matching ramuscule cigarette smooth slot specification of cigarette machine flattening disc is distributed according to ramuscule density of tobacco rod
The size of characteristic value Y prejudges the smooth slot specification of flattening disc, and the method comprises the steps of:
1. taking a certain specification ramuscule cigarette sample multiple, cigarette pipe tobacco filled section is divided by end according to ramuscule cigarette specification
Head section, non-compacted section and end endpiece, by the multiple ramuscule cigarette sample end head sections of standard test, non-compacted section of density, end section
Mean density value is denoted as TJ, non-compacted section of mean density value MJ；
2. according to the following formula, calculating ramuscule cigarette end section Density Distribution Feature value Y:
Y=TJ/MJ
Wherein Y is ramuscule cigarette end section Density Distribution Feature value, TJFor ramuscule cigarette end section mean density value, MJIt is non-
It is compacted section density of tobacco rod mean value；
3. whether 2. Y value that judgment step obtains is in (1.20,1.30) range；If Y value is in (1.20,1.30) range
Interior, then the smooth slot specification of cigarette machine flattening disc is suitable, and Y value is closer (1.20+1.30)/2, then the smooth slot of cigarette machine flattening disc
The matching degree of specification and ramuscule cigarette is higher；If Y value not in (1.20,1.30) range, then the smooth slot of cigarette machine flattening disc is advised
Lattice need to match again, wherein needing to increase the smooth groove depth of flattening disc if Y value≤1.20 or increasing smooth slot arc length, if Y
Value >=1.30, then need to reduce the smooth groove depth of flattening disc.
Preferably, the Cigarette circumference of the ramuscule cigarette specification is 17.0 ± 0.2mm.
Preferably, it is >=30 that the ramuscule cigarette sample is multiple.
Preferably, the standard is " YC/T476-2013 cigarette tobacco density measures microwave method ".
Preferably, ramuscule cigarette pipe tobacco filled section is divided into end section (firing tip), non-compacted section and end endpiece, wherein
End section and/or end endpiece length are the 1/2 of the smooth slot arc length of flattening disc；More preferably, end section and/or end endpiece length are
10-12mm。
Beneficial effects of the present invention:
1, applicant find in production practice ramuscule cigarette qualitative characteristics (including ramuscule Cigarette end tobacco-falling quantity,
Loose-ends ratio and the rate that turns around etc.) it is closely related with the smooth slot specification of cigarette machine flattening disc, and the qualitative characteristics value of cigarette is by cigarette
End section Density Distribution Feature value determines.Method of the invention establishes the smooth slot specification of cigarette machine flattening disc and ramuscule cigarette
The relationship of end section Density Distribution Feature value, and have been surprisingly found that the qualified ramuscule cigarette end section density point of domestic and international various brands
When cloth characteristic value is in (1.20,1.30) range, then the smooth slot specification of cigarette machine flattening disc is suitable, when Y value is closer to (1.20+
1.30) (1.25, the midpoint of two values) then the matching degree of the smooth slot specification of cigarette machine flattening disc and cigarette is higher when/2；If Y value
Not in (1.20,1.30) range, then the smooth slot specification of cigarette machine flattening disc needs to match again, wherein if Y value≤1.20,
It needs to increase the smooth groove depth of flattening disc or increases smooth slot arc length and need to reduce the smooth groove depth of flattening disc if Y value >=1.30
Degree.
2, the method for the invention realizes only need to measure and calculate ramuscule cigarette end section Density Distribution Feature value can be fast
Speed quantitatively matches the smooth slot specification of ramuscule cigarette cigarette machine flattening disc.This method is easy to operate quickly, and accuracy is high, has filled up thin
The blank of the smooth slot specification method of adjustment of branch cigarette cigarette machine flattening disc, to improve cigarette coiling process quality and efficiency, reduction
Process cost and loss provide method support.
3, method of the invention it is easy to operate quickly, can on-line determination, do not influenced by artificial subjective factor.As a result accurately may be used
It leans on.
Specific embodiment
Preferably specific description is made to the present invention below by embodiment, but protection scope of the present invention is not limited to
This.
Embodiment 1
The A trade mark cigarette sample that taking Cigarette circumference at random is 17.0 ± 0.2mm, cigarette length is (30.0+67.0) ± 0.5mm
Product are several, sample are divided into two groups at random, every group of cigarette number is 100.The used smooth slot arc length of flattening disc is
22mm, the smooth groove depth of flattening disc are 2.6mm.
First group is denoted as T according to YC/T 476-2013 method measurement end section, non-compacted section of density, mean value respectivelyJ、MJ,
By formula Y=TJ/MJCalculate ramuscule cigarette end section Density Distribution Feature value Y value it is as shown in table 1, obtained Y value (1.20,
1.30) in range, illustrate that the smooth slot specification of A trade mark ramuscule cigarette cigarette machine flattening disc is suitable.
Second group of ramuscule cigarette sample is according to GB/T 22838.17-2009, GB/T 22838.9-2009 and YC/T 558-
2018 methods measure cigarette swatched end tobacco-falling quantity, loose-ends ratio and the rate that turns around.
The cigarette end section Density Distribution Feature value and cigarette qualitative characteristics value of 1 A trade mark ramuscule cigarette sample of table
| Cigarette end section Density Distribution Feature value Y | 1.2532 |
| End tobacco-falling quantity (mg/ branch) | 2.8902 |
| Loose-ends ratio % | 0.0051 |
| The rate that turns around % | 0.8843 |
Same ramuscule cigarette sample end head section Density Distribution Feature value Y, end tobacco-falling quantity, loose-ends ratio and fall in comparison sheet 1
The head qualitative characteristics value index such as rate, it can be seen that the smooth slot specification matching of the ramuscule cigarette cigarette machine flattening disc of the present embodiment compared with
Good, the end tobacco-falling quantity of sample is much smaller than Industry code requirements (< 8mg/ branch), and loose-ends ratio and turns around that rate is lower, and cigarette is comprehensive
It is preferable to close quality.Illustrate that this method result is accurate and reliable.
Embodiment 2
To take Cigarette circumference be 17.0 ± 0.2mm, cigarette length is (30.0+70.0) if ± 0.5mm B trade mark cigarette sample
Sample is divided into two groups at random by the Heavenly Stems and Earthly Branches, and every group of cigarette number is 100.The used smooth slot arc length of flattening disc is 24mm, is put down
The whole smooth groove depth of disk is 2.9mm.
First group is denoted as T according to YC/T 476-2013 method measurement end section, non-compacted section of density, mean value respectivelyJ、MJ,
By formula Y=TJ/MJCalculate cigarette end section Density Distribution Feature value Y value it is as shown in table 2, obtained Y value not (1.20,
1.30) in range, illustrate that the smooth slot specification of B trade mark ramuscule cigarette cigarette machine flattening disc need to match again.Second group of cigarette sample
Ramuscule cigarette sample end is measured according to GB/T 22838.17-2009, GB/T 22838.9-2009 and YC/T 558-2018 method
Portion's tobacco-falling quantity, loose-ends ratio and the rate that turns around.From Table 2, it can be seen that requirement is not satisfied in end tobacco-falling quantity, loose-ends ratio.
Due to Y value >=1.30, the mode for reducing the smooth groove depth of flattening disc is taken to match again, by the smooth groove depth of flattening disc
Degree is reduced to 2.5mm, then sub-sampling, repeats said determination, is specifically shown in Table 2.
The ramuscule cigarette end section Density Distribution Feature value and cigarette qualitative characteristics value of 2 B trade mark cigarette sample of table
| Project | Former flattening disc specification piece | Sample after the adjustment of flattening disc specification |
| Cigarette end section Density Distribution Feature value Y | 1.3168 | 1.2621 |
| End tobacco-falling quantity (mg/ branch) | 2.0034 | 3.1833 |
| Loose-ends ratio % | 0.0008 | 0.0036 |
| The rate that turns around % | 12.5071 | 0.9215 |
Flattening disc specification adjustment front and back ramuscule cigarette sample end head section Density Distribution Feature value Y, end tobacco-falling in comparison sheet 2
Amount, loose-ends ratio and the rate qualitative characteristics that turn around, it can be seen that this smooth slot specification of ramuscule cigarette cigarette machine flattening disc adjusted
With preferable, the end tobacco-falling quantity of sample is less than Industry code requirements (< 8mg/ branch), and loose-ends ratio and the rate that turns around are lower, cigarette
Integrated quality is preferable.Illustrate that this method result is accurate and reliable.
Claims (5)
1. a kind of Rapid matching ramuscule cigarette method of the smooth slot specification of cigarette machine flattening disc, which is characterized in that according to ramuscule cigarette
The size of branch Density Distribution Feature value Y prejudges the smooth slot specification of flattening disc, and the method comprises the steps of:
1. taking a certain specification ramuscule cigarette sample multiple, cigarette pipe tobacco filled section is divided by end according to ramuscule cigarette specification
Section, non-compacted section and end endpiece, by the multiple ramuscule cigarette sample end head sections of standard test, non-compacted section of density, end Duan Mi
Degree mean value is denoted as TJ, non-compacted section of mean density value MJ；；
2. according to the following formula, calculating ramuscule cigarette end section Density Distribution Feature value Y:
Y=TJ/MJ
Wherein Y is ramuscule cigarette end section Density Distribution Feature value, TJFor ramuscule cigarette end section mean density value, MJIt is non-compacted
Section density of tobacco rod mean value；
3. whether 2. Y value that judgment step obtains is in (1.20,1.30) range；If Y value be in (1.20,1.30) range,
Then the smooth slot specification of cigarette machine flattening disc is suitable, and Y value closer to (1.20+1.30)/2, then the smooth slot of cigarette machine flattening disc is advised
Lattice and the matching degree of ramuscule cigarette are higher；If Y value is not in (1.20,1.30) range, then the smooth slot specification of cigarette machine flattening disc
It needs to match again, wherein needing to increase the smooth groove depth of flattening disc if Y value≤1.20 or increasing smooth slot arc length, if Y value
>=1.30, then need to reduce the smooth groove depth of flattening disc.
2. the method according to claim 1, wherein the Cigarette circumference of the ramuscule cigarette specification be 17.0 ±
0.2mm。
3. the method according to claim 1, wherein it is >=30 that the ramuscule cigarette sample is multiple.
4. the method according to claim 1, wherein the standard is " YC/T 476-2013 cigarette tobacco density
Measure microwave method ".
5. the method according to claim 1, wherein end section or/and end endpiece length are flat for flattening disc
The 1/2 of whole slot arc length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811231442.1A CN109315826B (en) | 2018-10-22 | 2018-10-22 | Method for quickly matching specification of leveling groove of leveling disc of cigarette making machine for ramuscule cigarettes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811231442.1A CN109315826B (en) | 2018-10-22 | 2018-10-22 | Method for quickly matching specification of leveling groove of leveling disc of cigarette making machine for ramuscule cigarettes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109315826A true CN109315826A (en) | 2019-02-12 |
| CN109315826B CN109315826B (en) | 2021-04-06 |
Family
ID=65263071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811231442.1A Active CN109315826B (en) | 2018-10-22 | 2018-10-22 | Method for quickly matching specification of leveling groove of leveling disc of cigarette making machine for ramuscule cigarettes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109315826B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990686A (en) * | 2020-09-22 | 2020-11-27 | 河南中烟工业有限责任公司 | Evaluation method for suitability of fine cut tobacco and cigarette making machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785830A (en) * | 1983-01-22 | 1988-11-22 | Korber Ag | Method and apparatus for monitoring and evaluating the density of a tobacco stream |
| CN102866169A (en) * | 2012-07-02 | 2013-01-09 | 中国电子科技集团公司第四十一研究所 | Compensation method for density data of cigarette igniting end of cigarette |
| CN104165822A (en) * | 2014-08-19 | 2014-11-26 | 云南中烟工业有限责任公司 | Method for quantitatively evaluating uniformity of cigarette density distribution |
| CN107084995A (en) * | 2017-05-18 | 2017-08-22 | 中国烟草总公司郑州烟草研究院 | A kind of quantitative evaluation method of density of tobacco rod distributing homogeneity |
| CN107153104A (en) * | 2017-05-10 | 2017-09-12 | 浙江中烟工业有限责任公司 | A kind of method that tobacco fill value is characterized by cigarette machine operational factor |
| CN108175124A (en) * | 2016-12-08 | 2018-06-19 | 重庆中烟工业有限责任公司 | A kind of cigarette machine equals quasi- disk selection method |
| CN108303344A (en) * | 2017-12-20 | 2018-07-20 | 红云红河烟草(集团)有限责任公司 | A method of it judging cigarette combustion cone and falls |
-
2018
- 2018-10-22 CN CN201811231442.1A patent/CN109315826B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785830A (en) * | 1983-01-22 | 1988-11-22 | Korber Ag | Method and apparatus for monitoring and evaluating the density of a tobacco stream |
| CN102866169A (en) * | 2012-07-02 | 2013-01-09 | 中国电子科技集团公司第四十一研究所 | Compensation method for density data of cigarette igniting end of cigarette |
| CN104165822A (en) * | 2014-08-19 | 2014-11-26 | 云南中烟工业有限责任公司 | Method for quantitatively evaluating uniformity of cigarette density distribution |
| CN108175124A (en) * | 2016-12-08 | 2018-06-19 | 重庆中烟工业有限责任公司 | A kind of cigarette machine equals quasi- disk selection method |
| CN107153104A (en) * | 2017-05-10 | 2017-09-12 | 浙江中烟工业有限责任公司 | A kind of method that tobacco fill value is characterized by cigarette machine operational factor |
| CN107084995A (en) * | 2017-05-18 | 2017-08-22 | 中国烟草总公司郑州烟草研究院 | A kind of quantitative evaluation method of density of tobacco rod distributing homogeneity |
| CN108303344A (en) * | 2017-12-20 | 2018-07-20 | 红云红河烟草(集团)有限责任公司 | A method of it judging cigarette combustion cone and falls |
Non-Patent Citations (1)
| Title |
|---|
| 向虎 等: "基于烟丝填充值的卷烟重量设计模型研究", 《食品与机械》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990686A (en) * | 2020-09-22 | 2020-11-27 | 河南中烟工业有限责任公司 | Evaluation method for suitability of fine cut tobacco and cigarette making machine |
| CN111990686B (en) * | 2020-09-22 | 2022-08-19 | 河南中烟工业有限责任公司 | Evaluation method for suitability of fine cut tobacco and cigarette making machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109315826B (en) | 2021-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109171012A (en) | A kind of method of the smooth slot specification of Rapid matching cigarette machine flattening disc | |
| CN109315826A (en) | A kind of method of the Rapid matching ramuscule cigarette smooth slot specification of cigarette machine flattening disc | |
| JP2018516075A (en) | How to make tobacco cut filler | |
| CN107897996A (en) | Raw tobacco material group and its application in terms of cigarette is not burnt in preparation heating | |
| CN107898001A (en) | Leaf group raw material and its application in terms of cigarette is not burnt in preparation heating | |
| CN108872013B (en) | Method for judging filling condition of cut tobacco in flat disc groove of cigarette making machine | |
| CN114304704B (en) | Method for ordering disordered cut tobacco of heated cigarette | |
| CN109100264B (en) | Method for rapidly predicting fine cigarette smoking uniformity | |
| CN204191559U (en) | A kind of finished product cut tobacco production system adopting SH93 air flow type cut tobacco drier | |
| CN104095281A (en) | Novel using method for tobacco stems | |
| CN103689781B (en) | Method for regulating and controlling non-volatile organic acid content to improve tobacco sensory quality | |
| CN110083888B (en) | Method for predicting cigarette hardness | |
| CN101263927A (en) | Tobacco process secondary charging technique | |
| CN104055216B (en) | Tobacco stem piece and use method thereof | |
| CN102162714B (en) | Method for detecting thickness of flattened stems | |
| CN109100263B (en) | Method for rapidly predicting smoking uniformity of cigarettes | |
| CN112075658B (en) | Process for accurately controlling stability of moisture content after shredding | |
| CN102880138B (en) | The assessment method of filter stick production process ability and enterprise production process ability | |
| CN207136234U (en) | Ramuscule filter stick in a kind of special requirement diacetate fiber | |
| CN110231432A (en) | Reduce the method that cigarette combustion cone falls a rate | |
| CN111567844A (en) | Tobacco leaf raw material grouping method in cigarette leaf group formula | |
| CN111035049A (en) | Reconstituted tobacco capable of being not combusted by heating, preparation method thereof and product capable of being not combusted by heating | |
| CN109918736A (en) | A kind of cigarette machine equals the calculation method and module of quasi- disk depth of groove | |
| CN112841714B (en) | Cigarette rod rolling forming device | |
| CN116473273A (en) | Cigarette purity control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |