CN201271624Y - Automatic device for coating rubber paste - Google Patents
Automatic device for coating rubber paste Download PDFInfo
- Publication number
- CN201271624Y CN201271624Y CNU2008200502474U CN200820050247U CN201271624Y CN 201271624 Y CN201271624 Y CN 201271624Y CN U2008200502474 U CNU2008200502474 U CN U2008200502474U CN 200820050247 U CN200820050247 U CN 200820050247U CN 201271624 Y CN201271624 Y CN 201271624Y
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Abstract
The utility model discloses an automated device used for coating rubber ointment, which is an improvement to a common roll coater. An automatic coating thickness detection device and a control system mainly composed of a PLC are additionally arranged in the device, the control system is respectively connected with a servo motor, a front carriage motor and a rear carriage motor in each execution part, the automatic coating thickness detection device is positioned at the lower part of the front end of a cooling tank, a thickness detector is installed on a work table, a work table A is connected with a servo motor A through a connecting block, a nut A and a screw rod A, and the thickness detector extends into the cooling tank by a square hole at the lower part of the cooling tank. A plurality of working procedures are integrated in one production line, the delivery of semi-finished products among different shops is avoided, the working efficiency is improved, the coating thickness is dynamically and automatically controlled, so that the coating thickness can meet the production requirement, and as the thickness does not reach the requirement, the coating is not required to be thickened; therefore, the production cost is saved.
Description
Technical field
The utility model relates to the production equipment of the rubber ointment of field of medicaments, is a kind of full-automatic rubber coating specifically, detects and the section production equipment.Device of the present utility model also can be applicable to field of papermaking, field of textiles, print field, film production field etc.
Background technology
Plaster is a kind of important Chinese patent drug, divides according to the mechanism of action in the Western medicine, and traditional Chinese medical science plaster is a kind of transdermal agent.World's transdermal formulation accounts for 7% of pharmaceutical market at present, but because its multiple excellent drug performance, U.S. the world of medicine thinks that in the time of 10-15, the transdermal formulation will occupy 1/3 of pharmaceutical market.The traditional Chinese medical science plaster mechanism of action meets the feature of transdermal agent fully, is a kind of good transdermal agent, meets the development trend of world's pharmaceutical market, and therefore, traditional Chinese medical science plaster is the important kind that traditional Chinese medicine enters world market.Its easy to use, low price is used widely at home, and Chinese medicine rubber ointment annual turnover is between tens to 10,000,000,000 yuan, and the output value reaches tens billion of units.
With respect to the traditional Chinese medicine rubber ointment market of continuous expansion, present rubber ointment production and processing technology is not but also caught up with the paces of Chinese medicine production development and market development.At present, what domestic medical production industry was used more is common roll coater, mainly comprises putting car after cloth dolly, coating front truck, cooler bin and the coating, puts the cloth dolly and is positioned at coating front truck front end, cooler bin is positioned at coating front truck rear end, and parking stall, coating back is in the cooler bin rear end.In the coating front truck flattening device is installed, is used for the cloth base is expanded the limit, make things convenient for the back paste to apply; Also have adjusting handle, be used for regulating scraper gap, change coating layer thickness.Deviation correction mechanism is installed, strainer and wind-up roll after coating in the car: deviation correction mechanism is used for cloth is rectified a deviation, and is located at the center, so that make the alignment of cloth edge during rolling; Strainer carries out tensioning to cloth; Wind-up roll except the cloth that rolling has applied, the major impetus that also provides cloth to advance.This device can satisfy the production requirement of rubber ointment substantially, its shortcoming is that coating layer thickness is difficult for detecting, and error is big: operating personnel need constantly the product that processes to be weighed, come to compare with standard value, simultaneously, in coating procedure, the detection of coating layer thickness is measured by micrometer or other mechanical measurement equipment, cause error very big, resolution ratio is low, makes the wayward coating layer thickness of operating personnel.In addition, in the coating front truck, do not have deviation correcting device, need operating personnel constantly cloth to be rectified a deviation, be located at the center with hand.
Therefore, promote the production quantity and the quality of Chinese medicine rubber ointment, must change its production equipment, improve production technology, make the standardization of paste own, seriation; Its production process informationization, digitlization; Its process units high reliability, easy to operate.The rubber ointment production process mainly is divided into plurality of processes such as glue, work feed, coating, shearing, packing.Wherein work feed, paste coating, THICKNESS CONTROL are the production technologies of three keys, directly have influence on production efficiency, the quality of plaster, and then influence the income of enterprise.Chinese medicine paste coating equipment is different from the coating equipment in other field, than other coating apparatus requirements at the higher level is being arranged aspect coating thickness, coating uniformity coefficient, sanitary condition, the efficient.But at present domestic rubber ointment coating line substantially all is in manual state, and most of production equipments are that manufacturer designs voluntarily, device standard disunity, with low content of technology, precision is low, poor reliability, product quality uniformity are poor.It is outstanding problem that its traditional Chinese medicinal ointment applied thickness can't accurately be controlled, and quality monitoring is manually inspected by random samples by often stopping, and production efficiency is low, substandard products, percent defective height.And most producers are in order to be not less than the ointment thickness calibration of national regulation, make all products all reach standard by the coating thickness that increases ointment, reduce substandard products, percent defective, but increased production cost in fact greatly, also cause the serious waste of resource simultaneously.Automatic production line is used can greatly increase production efficiency, effectively reduces production costs, and is that modern industry increases the important means that the performance of enterprises promotes product quality.Automatic production line is introduced the traditional Chinese medicine production field, will make its economic benefit significantly improve, reduce product price, strengthen product competitiveness.
The utility model content
The utility model purpose is to overcome the shortcoming of prior art, provides a kind of full process automatization also can detect the device that is used for the rubber ointment coating of coat thickness automatically.
The purpose of this utility model is achieved through the following technical solutions:
A kind of automation equipment that is used for rubber ointment coating is the improvement to common roll coater, comprises along cloth sending car after cloth feeding mechanism that direction is arranged in order, coating front truck, cooler bin and the coating to; Apparatus for coating also comprises applied thickness automatic detection device and the control system of mainly being made up of PLC, control system respectively with the servomotor of clearance adjustment mechanism, the servomotor of sweep mechanism, preceding vehicle motor and back vehicle motor are connected, the applied thickness automatic detection device is positioned at cooler bin front end bottom, the thickness gauge of applied thickness automatic detection device is installed on the workbench first, the workbench first is installed on the guide rail slide block group first, the workbench first is connected with the nut first by contiguous block again, the screw mandrel first supporting with the nut first is connected with the servomotor first, and guide rail slide block group first and screw rodb base first all are installed on the box bottom; The casing group is mounted on the housing seat by bolt, and housing seat links to each other by the support of studs with the applied thickness automatic detection device; Thickness gauge stretches into cooler bin by the square hole of cooler bin bottom, contacts with cloth.
For further realizing flattening device and deviation correcting device being installed the utility model purpose in the described cloth feeding mechanism; Cloth feeding mechanism is two square sets up and down that link together, and the support of front end is higher than the support of rear end, on the support of front end flattening device is installed, and the support of rear end has the deviation correcting device first.
Two cover automatic scraper lash adjusting devices about having installed in the described coating front truck, servomotor second links to each other with worm screw second, worm screw second and worm gear second supporting, nut second is installed on the worm gear second, the screw mandrel second supporting with nut second is connected with workbench second, and workbench second is installed on the guide rail slide block group second, and guide rail slide block group second is installed on the base, base is installed on the frame of coating front truck, and applicator roll is installed on the workbench second by self-aligning ball bearing; Scraper is installed on the coating front truck, forms the gap with applicator roll.
Described worm screw second and servomotor second opposite end are equipped with the manual adjustment handwheel.
Described applied thickness automatic detection device also comprises device for dotting, and device for dotting is installed on the workbench, and device for dotting has two covers, is installed in the thickness gauge both sides respectively.Two digital displays have been installed in described coating front truck car body both sides.
With respect to prior art, the utlity model has following advantage:
(1) dynamic auto control coating layer thickness makes coating layer thickness promptly satisfy production requirement, can not make the producer require deliberately to add thick coating because of worrying that coating layer thickness does not reach again, has saved production cost.
(2) process is integrated, and operating process realizes full-automatic, and it is more simple that operating process becomes, and production efficiency obtains bigger raising.
(3) avoid the handling process of semi-finished product between different workshops, liberated the labour greatly.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present utility model;
Fig. 2 is the applied thickness automatic detection device structure chart in the utility model;
Fig. 3 is the casing group structure chart in the applied thickness automatic detection device in the utility model;
Fig. 4 is the cloth feeding mechanism structure chart in the utility model;
Fig. 5 is the coating front truck structure chart in the utility model;
Fig. 6 is the automatic scraper clearance adjustment mechanism structure chart in the coating front truck in the utility model;
Fig. 7 is that worm and gear group and the feed screw nut in the automatic scraper clearance adjustment mechanism structure organizes connection layout;
Fig. 8 is bassinet structure figure after the coating in the utility model;
Fig. 9 is the coating front truck structure chart when adopting the manual adjustment scraper gap;
Figure 10 is the automatic scraper clearance adjustment mechanism structure chart in the coating front truck when adopting the manual adjustment scraper gap.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail by two specific embodiments, but embodiment of the present utility model is not limited only to this.
Embodiment 1
As shown in Figure 1, a kind of automation equipment that is used for the rubber ointment coating comprises cloth feeding mechanism 1, coating front truck 4, cooler bin 10, applied thickness automatic detection device 6 and coating back car 9.Wherein, along cloth-feeding direction, cloth feeding mechanism 1, coating front truck 4, cooler bin 10 and coating back car 9 are arranged in order, by being used to smear the cloth connection of rubber ointment; Front end below cooler bin 10 is installed applied thickness automatic detection device 6.On cloth feeding mechanism 1, coating front truck 4, cooler bin 10 and coating back car 9, many mop rollers 3 are installed all.In addition, according to reality, vehicle motor 5, back vehicle motor 8 and deviation correcting device source of the gas power 7 before needs provide the power position to install, preceding vehicle motor 5 is used to drive the applicator roll 402 of coating front truck 4, back vehicle motor 8 is used to drive the wind-up roll 901 of coating back car 9, and deviation correcting device source of the gas power 7 is used to drive deviation correcting device first 102 and deviation correcting device second 902.Also comprise the control system of mainly forming in the utility model by PLC (Programmable Logic Controller), control system is connected with servomotor first 60308, servomotor second 40101, preceding vehicle motor 5 and back vehicle motor 8 respectively, control each several part motor action realizes operations such as the adjustment of front truck gap, scanning, back car rolling.The pneumatic servo control that deviation correcting device source of the gas power 7 carries is had a style of one's own, control correction action.
Shown in Fig. 2,3, the applied thickness automatic detection device 6 that is positioned at cooler bin 10 front end bottoms comprises thickness gauge 601, device for dotting 602 (as auspicious capital, Shanghai RM2 type electromagnet), casing group 603, workbench first 604, housing seat 605, studs 606 and support 607.Thickness gauge 601 and device for dotting 602 are installed on the workbench first 604, and two device for dotting 602 are positioned at thickness gauge 601 left and right sides; Workbench first 604 is installed on the box bottom 60307 by guide rail slide block group first 60302, and is connected with nut first 60303 by contiguous block 60301; The screw mandrel first 60304 supporting with nut first 60303 is installed on the box bottom 60307 by screw rodb base 60305,60306; Screw mandrel first 60,304 one ends link to each other with servomotor first 60308 by shaft coupling, as power intake.Servomotor first 60308 drives nut first 60303 move left and right by screw mandrel first 60304, nut first 60303 drives workbench first 604 along guide rail slide block group first 60302 move left and right by contiguous block 60301, and then makes thickness gauge 601 and device for dotting 602 move left and right.Casing group 603 is installed on the housing seat 605 by bolt; Housing seat 605 links to each other with support 607 by studs 606.Thickness gauge 601 stretches into cooler bin by the square hole of cooler bin 10 bottoms, contacts with cloth.Thickness gauge 601 adopts the 1103AccuProbe type gamma single face reflection sensor of NDC company, thickness gauge 601 also is provided with scraper coating thickness thickness measurement online and control system, can coating layer thickness value and its preset value of real-time detection cloth be compared, and judge.
Fig. 4 is the cloth feeding mechanism structure chart in the utility model.As shown in the figure, up and down two square sets of cloth feeding mechanism 1 for linking together, the support of front end is higher than the support of rear end, flattening device 101 (this device sees that patent CN1451598 introduces) is installed on the support of front end, and the support of rear end has deviation correcting device first 102 (this device sees that patent CN1667184A introduces).
Shown in Fig. 5,6,7, coating front truck 4 is that the coating front truck to common roll coater improves, and except comprising original coating base plate 11, applicator roll 402, scraper 403, also comprises automatic scraper lash adjusting device 401.Automatic scraper lash adjusting device 401 comprises servomotor second 40101, worm screw second 40102, worm gear second 40103, nut second 40104, screw mandrel second 40105, guide rail slide block group second 40107, workbench second 40106, base 40108, frame 40109 and self-aligning ball bearing 40110 etc.Applicator roll 402 is installed on the workbench second 40106 by self-aligning ball bearing 40110, and workbench second 40106 is installed on the base 40108 by guide rail slide block group second 40107, and base 40108 is installed on the frame 40109; Workbench second 40106 is connected with screw mandrel second 40105, the nut second 40104 supporting with screw mandrel second 40105 is installed on the worm gear second 40103, be connected with servomotor second 40101 by shaft coupling with an end of worm gear second 40103 supporting worm screw second 40102, manual adjustment handwheel 2 be installed at an other end of worm screw second 40102; Coating base plate 11 and scraper 403 are installed on the frame 40109.Form the gap between scraper 403 and the applicator roll 402.Servomotor second 40101 drives worm gear second 40103 and rotates, and then drive screw mandrel second 40105 by nut second 40104 and move up and down, screw mandrel second 40105 drives workbench second 40106 and can slide up and down along guide rail slide block group second 40107, and adjusts the spacing of applicator roll 402 and scraper 403 by self-aligning ball bearing 40110.When servomotor second 40101 was closed, rotatable handwheel 2 was regulated the spacing of applicator roll 402 and scraper 403.Frame 40109 is provided with a plurality of mop rollers 3.
Fig. 8 is the structure chart of car 9 after the coating in the utility model.As shown in the figure, coating back car owner will comprise wind-up roll 901 and deviation correcting device second 902 (seeing that patent CN 1667184A introduces) and auxiliary mop roller 3, deviation correcting device second 902 is installed in the front end of coating back car 9 frames, cloth is earlier through deviation correcting device second 902, through mop roller 3, deliver to wind-up roll 901 at last and carry out rolling.
The technology of using above-mentioned full-automatic rubber ointment coating apparatus comprises the steps:
(1) work feed: as shown in Figure 1, whole work feed operation is finished together by cloth feeding mechanism 1, coating front truck 4, cooler bin 10 and coating back car 9.Cloth is placed on the base of cloth feeding mechanism 1, delivers to 101 pairs of cloth bases of flattening device through the mop roller 3 on the cloth feeding mechanism 1 and expands the limit, rectifies a deviation through 102 pairs of cloth of deviation correcting device first then, is positioned at center position when making cloth through coating base plate 11; Cloth after the correction is delivered on the coating base plate 11 through the mop roller 3 on the coating front truck 4, and process scraper 403 and applicator roll 402 are delivered to cooler bin 10 coolings after applying rubber ointment, and transmit on the mop roller in cooler bin 3; The cloth that transports out from cooler bin 10 is delivered to coating back car 9 and is carried out rolling.
(2) coating: the main tractive force that coating back car 9 provides cloth to advance, when car 9 drives of the applied back of cloth were advanced, the PUR on the coating base plate 11 advanced with cloth, and the gap location between scraper 403 and applicator roll 402 sticks on the cloth.
(3) thickness detects and adjust scraper gap: when the cloth that has applied during through cooler bin 10, by the hole that is provided with on the cooler bin 10, the thickness gauge 601 in the applied thickness automatic detection device 6 stretches in the cooler bin 10 and with cloth and contacts.Drive transmission device screw mandrel first 60304 by the power set servomotor first in the casing group 603 60308, nut first 60303, guide rail slide block group first 60302 and jockey contiguous block 60301 and workbench 604, and and then drive thickness gauge 601 move left and right, the cloth that has applied is carried out high-velocity scanning, in scanning process, the coating layer thickness of 601 pairs of cloth of thickness gauge detects, and in real time the preset value of detected value and thickness gauge is compared, when detected value is lower than preset value, device for dotting 602 in the applied thickness automatic detection device 6 starts, and this detection position carried out mark, when scanning detects in one direction, have only a cover to be positioned at device for dotting 602 work of direction of motion rear side, for example, when detecting, only be positioned at device for dotting 602 work in workbench first 603 left sides toward right-hand scanning.In the scan period, to detect mean value and feed back to control system (PLC), and compare with preset value in the control system, if mean value is lower than the preset value of system control sytsem, then system control sytsem sends instruction to automatic scraper lash adjusting device 401, servomotor second 40101 in the automatic scraper lash adjusting device 401 is started, by worm gear second 40103, worm screw second 40102, screw mandrel second 40105, nut second 40104 transmission mechanisms such as grade and self-aligning ball bearing 40110, workbench second 40106, guide rail slide block group second 40107, drive applicator rolls 402 such as base 40108 move up, increase scraper gap, coating layer thickness is met the demands.
(4) rolling: when the cloth that has applied after supercooling, be sent to coating back car 9, rectify a deviation, after tensioning apparatus 903 carries out tensioning, deliver to wind-up roll 901 places and carry out rolling through deviation correcting device 902.
Embodiment 2: adopt manual adjustments scraper gap adjusting device to regulate (seeing Fig. 1～4, Fig. 7～10)
Coating front truck 4 among Fig. 1 is replaced by coating front truck shown in Figure 9.As shown in Figure 9, be, two digital displays 404 be installed, be used for showing the scraper gap height of the applied thickness automatic detection device 6 detected current left and right sides respectively in coating front truck car body both sides with the difference of the coating front truck of Fig. 5; Simultaneously, the automatic scraper clearance adjustment mechanism 401 among Fig. 5 as shown in figure 10, this device has saved the servomotor 40101 among Fig. 6, the connected mode of other parts is constant.When adopting before this coating bassinet structure, the adjustment of scraper gap is carried out in the rotation that can only utilize adjusting handle 2 to drive worm screws 40102.
According to the change of bassinet structure before the coating, variation has also taken place in the rubber ointment coating process, compares with specific embodiment one, and work feed, to add glue, coating and winding process all identical, and its difference is that operation 4 thickness detect and adjust scraper gap variation has partly taken place.In the scan period, to detect mean value is shown on the digital display 404, compare by operating personnel and preset value, when if mean value is below or above the preset value of system control sytsem, the artificial adjusting handle 2 of rotating is adjusted to setting value with scraper gap, and detect by applied thickness automatic detection device 6 once more, adjusted value is shown on the digital display 404.
Through actual production processing and test, utilize equipment and manufacturing process in the utility model to produce the rubber ointment product, because the automaticity height, have simple to operate, the production efficiency height, advantage such as unit cost is low has obviously been improved the shortcoming and defect that exists in the common roll coater.
Claims (6)
1, a kind of automation equipment that is used for the rubber ointment coating comprises along cloth and sends cloth feeding mechanism (1), coating front truck (4), cooler bin (10) and the coating back car (9) that direction is arranged in order to; It is characterized in that, this device also comprises applied thickness automatic detection device (6) and the control system of mainly being made up of PLC, control system respectively with servomotor first (60308), servomotor second (40101), preceding vehicle motor (5) is connected with back vehicle motor (8), applied thickness automatic detection device (6) is positioned at cooler bin (10) front end bottom, the thickness gauge (601) of applied thickness automatic detection device (6) is installed on the workbench first (604), workbench first (604) is installed on the guide rail slide block group first (60302), workbench first (604) is connected with nut first (60303) by contiguous block (60301) again, the screw mandrel first (60304) supporting with nut first (60303) is connected guide rail slide block group first (60302) and screw rodb base first (60305 with servomotor first (60308), 60306) all be installed on the box bottom (60307); Casing group (603) is mounted on the housing seat (605) by bolt, and housing seat (605) links to each other with the support (607) of applied thickness automatic detection device (6) by studs (606); Thickness gauge (601) stretches into cooler bin (10) by the square hole of cooler bin (10) bottom, directly contacts with cloth.
2, as claim a kind of described a kind of automation equipment that is used for the rubber ointment coating, it is characterized in that, flattening device (101) and deviation correcting device (102) are installed in the described cloth feeding mechanism (1); Cloth feeding mechanism is two square sets up and down that link together, and the support of front end is higher than the support of rear end, and flattening device (101) is installed on the support of front end, and the support of rear end has deviation correcting device first (102).
3, as claim a kind of described a kind of automation equipment that is used for the rubber ointment coating, it is characterized in that, two cover automatic scraper lash adjusting devices (401) about having installed in the described coating front truck (4), servomotor second (40101) links to each other with worm screw second (40102), worm screw second and worm gear second (40103) supporting, nut second (40104) is installed on the worm gear second (40103), the screw mandrel second (40105) supporting with nut second (40104) is connected with workbench second (40106), workbench second (40106) is installed on the guide rail slide block group second (40107), guide rail slide block group second (40107) is installed on the base (40108), base (40108) is installed on the frame (40109) of coating front truck (4), and applicator roll (402) is installed on the workbench second (40106) by self-aligning ball bearing (40110); Scraper (403) is installed on the coating front truck (4), forms the gap with applicator roll (402).
4, as claim 3 kind of described a kind of automation equipment that is used for the rubber ointment coating, it is characterized in that described worm screw second (40102) is equipped with manual adjustment handwheel (2) with servomotor second (40101) opposite end.
5, as claim a kind of described a kind of automation equipment that is used for the rubber ointment coating, it is characterized in that, described applied thickness automatic detection device (6) also comprises device for dotting (602), device for dotting (602) is installed on the workbench (604), device for dotting (602) has two covers, is installed in thickness gauge (601) both sides respectively.
6, as claim a kind of described a kind of automation equipment that is used for the rubber ointment coating, it is characterized in that two digital displays (404) have been installed in described coating front truck car body both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200502474U CN201271624Y (en) | 2008-07-04 | 2008-07-04 | Automatic device for coating rubber paste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200502474U CN201271624Y (en) | 2008-07-04 | 2008-07-04 | Automatic device for coating rubber paste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201271624Y true CN201271624Y (en) | 2009-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200502474U Expired - Fee Related CN201271624Y (en) | 2008-07-04 | 2008-07-04 | Automatic device for coating rubber paste |
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| CN (1) | CN201271624Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069056A (en) * | 2010-12-25 | 2011-05-25 | 大连橡胶塑料机械股份有限公司 | Precision glue spreading control system for glue spreader |
| CN102962173A (en) * | 2012-11-13 | 2013-03-13 | 江苏海大印染机械有限公司 | Reverse roll coating interval regulating device |
| CN107833202A (en) * | 2017-10-11 | 2018-03-23 | 汕头大学 | A kind of machine vision detection method for being coated with dip roll in supply disk submergence |
| CN108379078A (en) * | 2018-04-09 | 2018-08-10 | 哈尔滨理工大学 | A kind of medicine film automatic spray mechanism |
-
2008
- 2008-07-04 CN CNU2008200502474U patent/CN201271624Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069056A (en) * | 2010-12-25 | 2011-05-25 | 大连橡胶塑料机械股份有限公司 | Precision glue spreading control system for glue spreader |
| CN102962173A (en) * | 2012-11-13 | 2013-03-13 | 江苏海大印染机械有限公司 | Reverse roll coating interval regulating device |
| CN107833202A (en) * | 2017-10-11 | 2018-03-23 | 汕头大学 | A kind of machine vision detection method for being coated with dip roll in supply disk submergence |
| CN108379078A (en) * | 2018-04-09 | 2018-08-10 | 哈尔滨理工大学 | A kind of medicine film automatic spray mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20100704 |