CN1294883A - Cigarette detecting apparatus and method - Google Patents
Cigarette detecting apparatus and method Download PDFInfo
- Publication number
- CN1294883A CN1294883A CN 00133812 CN00133812A CN1294883A CN 1294883 A CN1294883 A CN 1294883A CN 00133812 CN00133812 CN 00133812 CN 00133812 A CN00133812 A CN 00133812A CN 1294883 A CN1294883 A CN 1294883A
- Authority
- CN
- China
- Prior art keywords
- cigarette
- checkout gear
- pipe tobacco
- equipment
- checkout
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
- A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
- A24C5/345—Removing defective cigarettes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
- A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
- A24C5/3412—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes by means of light, radiation or electrostatic fields
Abstract
An off-line cigarette testing apparatus 10 comprises at least one device 42,54 for detecting the presence of tobacco at an end of a cigarette C and a rotatable drum 16 for presenting the respective ends of a plurality of cigarettes to the or each detecting device.
Description
The present invention relates to a kind of checkout equipment and detection method of cigarette, particularly, the present invention relates to the offline inspection equipment and the detection method of cigarette.
Cigarette machine is provided with various on-line unit usually, is used to detect the quality of the cigarette of being produced.
A standard determining cigarette with filter tip quality quality is exactly the amount of tobacco that exists at that end (" fire end ") that cigarette will be lighted.In the manufacture process of cigarette, the pipe tobacco of loose filling might drop out from fire end, thereby stays next space in the end of cigarette wrapper.Thisly be called as phenomenon that loose end comes off and will make that to see the utmost point outside the final finished cigarette not attractive in appearance.If pipe tobacco does not drop out, owing to the pipe tobacco at the fire end loose pack can produce ropy cigarette usually, therefore, this problem still exists so.
In the cigarette manufacture industry, the incidence of loose end is known, and except online checkout gear was set on cigarette machine, the quality inspector also wanted regularly the many groups cigarette that extracts from the product of cigarette machine to be tested usually.Therefore this check is generally finished by naked eyes, and this check is exactly a kind of detection of some subjectivity based on particular test person's sensation, and inspector's sensation is all to change every day.
Detecting coming off of loose end with offline inspection equipment is known.This equipment has adopted the form of rotating drum-type wire cage.During use, weigh the weight of one group of cigarette and cigarette is placed in the cylinder then cylinder rotation.The rolling of cylinder will make all loosening pipe tobaccos drop out from the end of cigarette.These pipe tobaccos are collected in the pallet that is arranged under the cylinder, when rolling technology finishes, weigh the weight that is collected in pipe tobacco in the pallet.Be brought in the formula by the resulting numeral of the pipe tobacco of weighing cigarette and collection, thereby express the pipe tobacco amount that is dropped out on the cigarette of producing from cigarette machine.But this checkout equipment has following defective: in rolling process, the poor especially cigarette of quality may drop out a large amount of pipe tobaccos, so just can not accurately express the total quality of the cigarette of being produced.
The invention provides a kind of off-line cigarette checkout equipment, it comprises: at least one is used to detect device and the device that is used for respectively the described end of cigarette being delivered to described checkout gear or each described device of pipe tobacco amount in the end of cigarette.
The present invention also comprises the method for pipe tobacco amount in a kind of end that is used to detect cigarette, said method comprising the steps of: from the cigarette stream that cigarette machine is produced, take out many cigarettes, at least one end of every cigarette is transported at least one is used to detect the device that pipe tobacco is present in cigarette end.
In this manual, " off-line " is meant that not the equipment that is made into integration with cigarette machine is used for many groups cigarette implementation quality check that the cigarette stream of producing from cigarette machine is taken out.This equipment is the stand checkout equipment preferably.But for simplicity, this equipment also can be installed on the cigarette machine, and can predict: in this case, can be provided with one and be used for being delivered to the device of checkout gear from one group of cigarette that is used to detect of product extraction of cigarette machine and with it automatically.Should also be appreciated that:, if desired, also can will be delivered to the control system of cigarette machine from this device through suitable adjusted signal although this equipment is off-line.
In order to understand the present invention better, referring now to accompanying drawing exemplary embodiment is made an explanation, wherein accompanying drawing:
Fig. 1 is the plan view of off-line cigarette checkout equipment;
Fig. 2 is the side view of equipment shown in Figure 1;
Fig. 3 is the cutaway view by Fig. 1 hatching III-III;
Fig. 4 is a cutaway view that is provided with the checkout equipment of a checkout gear;
Fig. 5 is an end view that is provided with the checkout equipment of another checkout gear;
Fig. 6 is the front view of the control module of cigarette checkout equipment.
Hopper is installed on the cross member 20, and these parts are the part of housing 12.One adjustable guide plate 22 is fixed on the cross member 20 by a pair of nut, described nut by screw thread respectively with the engagement of each stud, described double-screw bolt is outstanding and pass each groove 24 on the guide plate from cross member.Guide plate is L shaped and adjustable, can detect the cigarette of different length to allow this device.
The maintenance rail 26 of a pair of precision is set, is used for the cigarette in the clamping groove.As shown in Figure 3, the parallel installation that keeps at a certain distance away keeps rail near the circumferential surface of cylinder, keeps rail to extend about 200 degree around cylinder.
The backboard 30 of one bending is installed between cylinder and the cross member.Backboard 30 comprises the taper leading-in end 32 of a contiguous hopper location.Guide plate 22 and backboard 30 are provided with in the following manner: the guide wall 34 (Fig. 1) of guide plate extends downwardly in the hopper (as shown in Figure 1), and slightly be partial to right positioner, thereby when cigarette C when hopper is transferred, the end of pointing to the cigarette of guide wall 34 can contact with leading-in end 32.When cigarette by cylinder when leading-in end moves, cigarette is slided left vertically, thereby when cylinder is rotated further, held the end that engages to engage with importing with the datum level 36 of backboard.In this way, cigarette just can accurately be positioned on the known position in its each groove.
An optical fiber detector 38 is installed on the backboard 30, is used to detect whether cigarette existence is arranged in the groove 18.
The downstream of checkout gear 42 is provided with one second pipe tobacco checkout gear 54, and this device also is installed on second cross member 40.Second checkout gear specifically as shown in Figure 4.
Second checkout gear 54 comprises the cylindrical shell 56 of a hollow, is used for sliding relatively in housing 58.One plunger 60 is installed in the cylindrical shell and comprises a coaxial pin 62, and pin 62 is outstanding from a through hole that is arranged on the end plate 64, and end plate 64 is sealing cylindrical shell that end away from housing 58.
Plunger 60 is compressed spring 66 and is biased on the end plate 64, and this plunger also is provided with a groove 68 along the periphery extension, and groove 68 adjacent pins 62 are formed in the end regions of plunger 60.
One pneumatic linear actuator 72 is assembled on the end of cylindrical shell 56 in distance end plate 64 farthest, is used to make cylindrical shell to do selectively axially to move back and forth in housing 56.Cylinder 72 is provided with a speed control unit 73, the speed that moves back and forth with control.
One container 80 that is used to hold cigarette is arranged at the rear portion of housing 12 under hopper 14.This device is mounted to make and exceeds the cigarette C that is carried by cylinder 16 outside the downstream scope that keeps rail 26 and can fall in the container 80.
The container 82 of another drawer type is arranged at the left side (as shown in Figure 1) of cylinder 16, and this drawer 82 is provided with one handle 84, is beneficial to it is extracted out in housing.Drawer 82 is divided into three compartments 82 (1), 82 (2) and 82 (3).
The discharger 90 (Fig. 2) of a cigarette is installed on the cross member 20.This discharger 90 comprises that three intervals are installed on the air nozzle on the same horizontal plane, and described nozzle is used for along groove 18 injection airs of aiming at it.This arrangement mode can make air nozzle work selectively, thereby a cigarette is entered in the compartment in the compartment 82 (1), 82 (2) and 82 (3).
Control module 100 comprises a PLC and a data recording equipment (all not shown).In addition, this control module is provided with a rotating switch 104, just can set the initial value relevant with checkout gear 42 by this rotating switch.
As described below, the fire end of 42,54 couples of cigarette C of checkout gear carries out the pipe tobacco verification test, according to those testing results, can cigarette be entered in each compartment 82 (1), 82 (2) and 82 (3) by the air nozzle of discharger 90.Control module comprises four display unit 108,110,112 and 114.According to the testing result that checkout gear 42 is made, display unit 108 is expressed the number of cigarettes that enters in the compartment 82 (1).Similarly, display unit 110 testing result of making according to checkout gear 54 is expressed the number of cigarettes that enters in the compartment 82 (2).Display unit 112 is expressed the number of cigarettes that enters in the compartment 82 (3), and the cigarette that enters in the compartment 82 (3) is the cigarette of not detecting by all checkout gears.Display unit 114 is expressed detected cigarette total amount.
During use, normally quality control inspection person's operating personnel periodically take out a collection of cigarette from the product of cigarette machine.These cigarettes are placed in the hopper 14, and the filter end of cigarette is resisted against on the guide wall 34 simultaneously.Then, operating personnel will press start button 116 and begin to detect.When start button is pressed, control module will transmit required signal, so that this device work, then trace routine is carried out under the control of control module automatically, does not need the further input signal of operating personnel.
Cylinder moves along clockwise direction by a stepper motor (not shown).When cylinder rotates, picked up in the groove 18 from the cigarette of hopper.
When leaving hopper, optical fiber detector 38 will detect whether cigarette is arranged in the groove, and optical fiber detector 38 can send an appropriate signal to control module 100.The signal enabling checkout gear 42,54 that control module utilizes checkout gear 38 to send, thus when cigarette supporting groove turn to checkout gear position in line on the time, each checkout gear can both be carried out pipe tobacco and detect.The groove of sky is not carried out detecting operation.Signal from device 38 also can be used to point to display unit 114, to express detected number of cigarettes
When the first pipe tobacco checkout gear 42 is faced mutually with cigarette supporting groove, infrared source 46 will send infrared beam, and infrared beam imports in the cigarette vertically at fire end.According to the pipe tobacco amount in the cigarette, a certain amount of infrared ray will pass the wrapping paper of cigarette, and this radiation can be detected by Infrared Detectors 48, and this detector will form one and the proportional voltage signal of detected infrared-ray.Whether this voltage signal is transmitted to control module, and compares with the initial value of setting by rotating switch 104, can accept by the quality of relatively determining cigarette C.For example, if initial value is set to 7 volts, and be 7 volts or littler from detecting this voltage signal, this root cigarette is just qualified so; If the voltage signal that comes self-test device is greater than 7 volts, this root cigarette does not just meet the requirements so.The acceptability of cigarette can be controlled unit institute record.
When the second pipe tobacco checkout gear 54 and cigarette support slot over against the time, pneumatic cylinder 72 will be carried air to the behind of hollow body 56, so that this main body is slided towards cylinder 16 away from valve member vertically.The distance that this main body slip one is scheduled to, if having pipe tobacco to exist in the end of cigarette, and pipe tobacco is enough tight, plunger 60 is incited somebody to action goring push spring 66 backward so, so that groove 68 moves past fiber-optical probe 70.Detector 70 is reacted by producing a signal, and the controlled unit record of this signal is got off, and the end that is used to be illustrated in cigarette has pipe tobacco to exist, so this cigarette can be accepted.If the end cigarette does not have pipe tobacco, just not skew of plunger so, fiber-optical probe can not send the signal that detects pipe tobacco yet.Whether control module sends the signal that detects pipe tobacco according to checkout gear is determined whether cigarette is qualified.
The acceptable degree of every cigarette of control module record, and make discharger 90 will think that underproof cigarette is discharged in the compartment in the drawer type compartment 82 (1), 82 (2) and 82 (3): think that according to the signal that checkout gear 42 is produced underproof cigarette is discharged in the compartment 82 (1); Think that according to the detection that checkout gear 54 is done underproof cigarette is discharged in the compartment 82 (2); The all unsanctioned cigarette of twice detection is discharged in the compartment 82 (3).
When cigarette is discharged in the compartment in the compartment 82 (1), 82 (2) and 82 (3), control device all will make and point to relevant display unit 108,110 and 112, thereby can see the number of cigarettes that is discharged in each compartment.
Two checkout gears 42,54 do not think that underproof cigarette will be by roller shifting and by tapping equipment 90, and when the groove that transports cigarette moves past the downstream of maintenance rail 26, cigarette will fall in the container 80 from cylinder.
Be appreciated that being connected between being connected between control module and control module and the checkout gear, discharger and the stepper motor can be the form of any appropriate.For a person skilled in the art, comprise that the suitable connection device of Signal Conditioning Equipment is known, therefore do not do detailed explanation in this manual.Will be appreciated that also control module needn't comprise data storage and collator, and if desired, equipment of the present invention can also be connected with a PC computer.For a person skilled in the art, it also is known being used to handle from the various equipment of the signal of pipe tobacco checkout gear output, does not therefore also elaborate in this manual.
After receiving the detected signal of last root cigarette from detector 38, stepper motor will continue to make cylinder to rotate predetermined times, and is all detected with all cigarettes of guaranteeing to be placed in the hopper.
Be appreciated that equipment of the present invention provides a kind of method and apparatus of simply easily checking the fire end of a collection of cigarette, assay is consistent and sensation that do not rely on operating personnel.
Should be noted that: when equipment 10 is mounted with one group of cigarette and detects operation when having begun, do not need to calculate or weighing cigarette or the pipe tobacco that drops out.On the contrary, inspection process full automation.
It should further be appreciated that: the two stages detection operation of being carried out by equipment 10 has the careful advantage of inspection, and for example second checkout gear 54 may identify the defective cigarettes that is not identified by first checkout gear 42.Because the pipe tobacco of cigarette end is very loose, although there is abundant pipe tobacco to block enough infrared-rays, thereby meet the requirement of checkout gear 42, but it may be not enough to overcome reliably spring 66 mobile plungers 60, therefore this situation still may take place.Such cigarette should meet the requirement of online infrared detecting device on the cigarette machine, but in the treatment process of back, the situation that loosening end comes off may appear in these cigarettes very much, thereby it is scrapped at packing stage, generally, a underproof cigarette occurs and will cause scrapping of whole packing.Be appreciated that if detect operation and can reduce the quantity that cigarette is scrapped at packing stage that so this detection operation more accurate in the fabrication stage, more reliable recognition quality problems is just very good.Should also be appreciated that: the second pipe tobacco checkout gear is not suitable for the online use on cigarette machine, if on packing machine, used a similarly device, so just can not depend on and apply it to the cigarette of on the device 10 cigarette machine being produced and carry out quality examination.Under latter event, whether the defective work that our there is no telling is detected is imported into the downstream of cigarette machine by roughing.
In the cigarette manufacture industry, the cigarette of at first making Double Length, the cigarette with Double Length cuts in half then, thereby forms two complete cigarettes, and this method is known.Can predict: can modify equipment of the present invention, can be detected in same critical point with the fire end of the cigarette that allows Double Length by this device, and preferably the while detected.Like this, preferably be provided with relative many to checkout gear, the cigarette conveyer install with relative checkout gear between.
Will be appreciated that this equipment can be modified to comprises the device that is used for cigarette is carried out other detection, for example if desired, can comprise the diameter checkout equipment.
Claims (15)
1. the cigarette checkout equipment of an off-line comprises: the device that at least one is used to detect the device of pipe tobacco amount in cigarette one end and is used for each described end of many cigarettes is delivered to described checkout gear or each checkout gear.
2. equipment according to claim 1 is characterized in that: described checkout gear or at least one described checkout gear comprise an infrared ray pipe tobacco checkout gear.
3. equipment according to claim 1 and 2 is characterized in that: described checkout gear or at least one checkout gear comprise that one can move in the described end and can be by the device of the pipe tobacco deflection of described end and a device that is used to detect described deflection.
4. according to claim 1,2 or 3 described equipment, it is characterized in that: comprise a plurality of described checkout gears that multiple tracks pipe tobacco detection operation is carried out in each described end that are arranged in.
5. according to one of aforesaid right requirement described equipment, it is characterized in that: described apparatus for transporting cigarettes comprises a conveyer, is used for many cigarettes are moved past described checkout gear or each described checkout gear.
6. equipment according to claim 5 is characterized in that: described conveyer comprises a rotating cylinder, and described cylinder is provided with a plurality of cigarette accommodated positions that separate.
7. according to one of aforesaid right requirement described equipment, it is characterized in that: also comprise a cigarette discharger, be used for discharging being detected the cigarette that does not have pipe tobacco in described end.
8. equipment according to claim 7, it is characterized in that: also comprise a plurality of described checkout gears, wherein said discharger can not have the different checkout gears of pipe tobacco that described underproof cigarette is discharged into respectively in a plurality of cigarette housing regions according to detecting cigarette.
9. equipment according to claim 8 is characterized in that: described housing region is formed by a plurality of containers, and described container is used to receive the defective cigarettes from described discharger.
10. one of require described equipment according to aforesaid right, it is characterized in that: also comprise a device that is used to write down the output signal of described checkout gear or each checkout gear.
11., it is characterized in that: when being subordinated to claim 2, also comprise the device that is used for the output signal from described infra-red ray detection device is converted to figure according to the described equipment of claim 2 to 10.
12. one of require described equipment according to aforesaid right, also comprise: be used for pointing out that according to the output signal of described checkout gear or each checkout gear cigarette is the display unit that the device of substandard product and being used to is represented the defective cigarettes quantity pointed out.
13. off-line method that is used to detect pipe tobacco amount in cigarette one end, said method comprising the steps of: from the produced cigarette stream of cigarette machine, take out the step of many cigarettes and at least one described end that will every cigarette and flow to the step that at least one is used to detect the device of the interior pipe tobacco amount of cigarette one end.
14. method according to claim 13 is characterized in that: described cigarette is delivered to described checkout gear or each checkout gear one by one.
15. method according to claim 14, it is characterized in that: also comprise the step that described many cigarettes is placed in the container and described cigarette is taken out in the described container by a conveyer, wherein said conveyer is used for cigarette is delivered to described checkout gear or each checkout gear.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9926309.7A GB9926309D0 (en) | 1999-11-05 | 1999-11-05 | Cigarette testing |
| GB9926309.7 | 1999-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1294883A true CN1294883A (en) | 2001-05-16 |
Family
ID=10864076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00133812 Pending CN1294883A (en) | 1999-11-05 | 2000-11-03 | Cigarette detecting apparatus and method |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1099388A2 (en) |
| CN (1) | CN1294883A (en) |
| GB (1) | GB9926309D0 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104509971A (en) * | 2013-09-30 | 2015-04-15 | 上海优汉实业发展有限公司 | Cigarette filter stick end-surface quality on-line test and rejection device and test method of cigarette filter sticks |
| CN109164209A (en) * | 2018-08-22 | 2019-01-08 | 合肥通视智能技术有限公司 | A kind of cigarette detection device |
| CN113261705A (en) * | 2014-02-13 | 2021-08-17 | Rai策略控股有限公司 | Method for assembling cartridges for smoking articles |
| CN114568741A (en) * | 2022-04-01 | 2022-06-03 | 郑州市卓旺机电设备有限公司 | Cigarette quality online detection device of cigarette making machine and use method thereof |
| CN115088863A (en) * | 2022-07-22 | 2022-09-23 | 南京专注智能科技股份有限公司 | Cigarette appearance flaw online detection system and working method thereof |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012203579B3 (en) * | 2012-03-07 | 2013-06-06 | Hauni Maschinenbau Ag | Measuring device and measuring method for determining a measured variable at one end of a rod-shaped product of the tobacco processing industry |
| DE102012210031A1 (en) | 2012-06-14 | 2013-12-19 | Hauni Maschinenbau Ag | Apparatus and method for evaluating an end face of a rod-shaped product of the tobacco processing industry |
| DE102012210037A1 (en) | 2012-06-14 | 2013-12-19 | Hauni Maschinenbau Ag | Measuring device and method for optical inspection of an end face of a cross-axially conveyed rod-shaped product of the tobacco processing industry |
| DE102013209621A1 (en) * | 2013-05-23 | 2014-11-27 | Hauni Maschinenbau Ag | Measuring system for optical assessment of a rod-shaped article of the tobacco-processing industry |
| CN104539683A (en) * | 2014-12-23 | 2015-04-22 | 中国烟草总公司内蒙古自治区公司 | Offline tobacco data collecting method and system |
| DE102015000046A1 (en) | 2015-01-09 | 2016-07-14 | Hauni Maschinenbau Ag | Apparatus and method for the face-side inspection of a cross-axially conveyed rod-shaped article in a machine of the tobacco processing industry |
| CN106562471B (en) * | 2016-11-07 | 2018-06-26 | 浙江中烟工业有限责任公司 | A kind of cigarette short signal acquisition treatment method |
| DE102017130676B4 (en) * | 2017-12-20 | 2023-09-28 | Körber Technologies Gmbh | Receiving device for rod-shaped articles in the tobacco processing industry |
-
1999
- 1999-11-05 GB GBGB9926309.7A patent/GB9926309D0/en not_active Ceased
-
2000
- 2000-11-03 EP EP20000309744 patent/EP1099388A2/en not_active Withdrawn
- 2000-11-03 CN CN 00133812 patent/CN1294883A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104509971A (en) * | 2013-09-30 | 2015-04-15 | 上海优汉实业发展有限公司 | Cigarette filter stick end-surface quality on-line test and rejection device and test method of cigarette filter sticks |
| CN104509971B (en) * | 2013-09-30 | 2016-04-06 | 上海优汉实业发展有限公司 | Cigarette filter stick end face quality on-line checkingi removal equipment and detection method thereof |
| CN113261705A (en) * | 2014-02-13 | 2021-08-17 | Rai策略控股有限公司 | Method for assembling cartridges for smoking articles |
| CN109164209A (en) * | 2018-08-22 | 2019-01-08 | 合肥通视智能技术有限公司 | A kind of cigarette detection device |
| CN114568741A (en) * | 2022-04-01 | 2022-06-03 | 郑州市卓旺机电设备有限公司 | Cigarette quality online detection device of cigarette making machine and use method thereof |
| CN115088863A (en) * | 2022-07-22 | 2022-09-23 | 南京专注智能科技股份有限公司 | Cigarette appearance flaw online detection system and working method thereof |
| CN115088863B (en) * | 2022-07-22 | 2022-11-11 | 南京专注智能科技股份有限公司 | Cigarette appearance flaw online detection system and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9926309D0 (en) | 2000-01-12 |
| EP1099388A2 (en) | 2001-05-16 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |