CN204297631U - Large bag conveying steering hardware - Google Patents
Large bag conveying steering hardware Download PDFInfo
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- CN204297631U CN204297631U CN201420746270.2U CN201420746270U CN204297631U CN 204297631 U CN204297631 U CN 204297631U CN 201420746270 U CN201420746270 U CN 201420746270U CN 204297631 U CN204297631 U CN 204297631U
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- large bag
- connecting rod
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- steering hardware
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Abstract
The utility model relates to the packing conveyor technical field of the product such as pellet and powder of the industries such as chemical industry, chemical fertilizer, medicine, metallurgy, especially relate to a kind of large bag conveying steering hardware, be made up of holding device, actuator and turn table device three part.Apply this device and clamp large bag with certain force, the conveying of script anisotropic material is changed into the conveying like even pledge material, large bag is dragged, from edge, main channel by transition region to delivery platform, delivery platform turns round, the throughput direction of large bag is turned an angle, again by large bag from delivery platform by transition region to subchannel, large bag enters next workshop section smoothly, delivery platform reversed turning is to initial position, large bag does not have trapping phenomena in transportation, and conveying is stable; Net cycle time reduces, and improves capacity packing; The service life of conveying steering hardware movement parts also significantly improves.
Description
Technical field
The utility model relates to the packing conveyor technical field of the products such as the pellet of the industries such as chemical industry, chemical fertilizer, medicine, metallurgy and powder, especially relates to a kind of large bag conveying steering hardware.
Background technology
The packings of product such as the pellet of the industries such as chemical industry, chemical fertilizer, medicine, metallurgy and powder generally include material pack, weigh, seal, detect, the multiple working procedure such as piling, every procedure completes in different workshop sections, and the conveying of packing from a workshop section to next workshop section is completed by supporting packaging conveying system.Current packaging quantitative values is called large bag more than 2 tons, and in course of conveying, according to production requirement, throughput direction often can send change, and therefore, bag delivery system must design a package conveying forward method and the conveying steering hardware that adapts with it.Conveying steering hardware directly can affect production efficiency and packaging quantitative values.
Large bag conveying forward method at present: large bag enters conveying transition region from main channel, and conveying transition region has some carrying rollers, and carrying roller is stepped shaft, and two ends are rack-mount by bearing, can around axis rotation.Each carrying roller is provided with link chain mechanism, sprocket wheel and carrying roller are fixedly connected, chain and sprocket engagement transmission, like this under motor and reductor drive, pass through link chain mechanism, each carrying roller is with certain rotational speed, and providing power for the conveying of large bag, large bag is placed on carrying roller, along with the rotation of carrying roller, large bag moves forward, and is transported to by bag and turns to platform edges; Turn to stage+module chain plate conveyer, large bag can move on carrier bar with above-mentioned carrier bar mode of movement, is moved to by bag turn to platform from conveying transition region; Chain plate conveyer is arranged on platform floor, and base plate rotates by actuating device, whole chain plate conveyer is rotated, thus the conveying realizing large bag turns to.
The large bag delivery platform steering hardware corresponding with it mainly comprises roller-type transfer unit, chain-plate type transfer unit and mechanical drive turning member, no matter be wherein chain-plate type conveying or roller-type conveying, its transmission device is all chain gear, in large bag conveying steering procedure, chain continuous working under heavy duty, impact shock condition, conveying is not steady, produces noise, the easy wear out failure of chain; Mechanical drive turning member is made up of motor, retarder, gear drive and support part, and because parts are fixed than transmission, forward revolution is identical with reverse opening speed, inefficiency; The in-built material of large bag is pellet or powder, it is non-homogeneous pledge material, in conveying steering procedure, the motion of material is all non-homogeneous Bed Load Movement, and specifically, the motion of material is the compound movement of the various ways of sliding, roll or jumping, it is fast that this just causes large bag some places to be walked, and that some places are walked is slow, and mutually pin down between each several part, in course of conveying, easily produce trapping phenomena.In bag, this character of material also can limit transport speed, if delivery speed improves, live load increases thereupon, can accelerate the wearing and tearing of chain and carrying roller.At present, apply this feedway, delivery speed≤5 meter/min, limits capacity packing, its capacity packing≤35 bag/h.Meanwhile, due to the complexity of material movement, bag internal force field is also very complicated, produces variable load, also can accelerate the fatigue wear of chain and carrying roller.
Utility model content
The technical problems to be solved in the utility model is: 1. in large bag, material is non-homogeneous pledge material, in conveying steering procedure, the motion of material is all non-homogeneous Bed Load Movement, be compound movement, bag can be caused easily to produce the easy fatigue wear of trapping phenomena, chain and carrying roller, conveying slowly; 2. transfer unit continuous working under heavy duty, impact shock condition, conveying is not steady, produces noise, the easy wear out failure of chain; 3. no matter device carries load state or unloaded situation in course of conveying, and delivery speed is constant, and cannot regulate, net cycle time is long.A kind of large bag conveying is now provided to turn to and carry steering hardware.
The technical scheme that the utility model adopts for above-mentioned technical matters is: a kind of large bag conveying steering hardware, comprise actuator, turn table device and holding device, described holding device is positioned at actuator front end, and be connected with actuator, actuator can drive holding device to move, actuator is positioned at above turn table device, and turn table device can realize driving actuator to rotate together with holding device.
Further: described holding device comprises clamping hydraulic cylinder, clamping plate, linkage board, first connecting rod, second connecting rod, third connecting rod, double leval jib and support, the cylinder part of described clamping hydraulic cylinder is fixedly mounted on support, the external part of described clamping hydraulic cylinder is fixedly connected with linkage board, described first connecting rod and third connecting rod are symmetricly set on the both sides of clamping hydraulic cylinder respectively, wherein one end and the linkage board of described first connecting rod and third connecting rod are hinged, the other end of described first connecting rod and the end of second connecting rod hinged, the other end of described third connecting rod and the end of double leval jib hinged, described second connecting rod and double leval jib are all also hinged with described support, described second connecting rod and double leval jib are symmetrical, described clamping plate are installed in the face that described second connecting rod is relative with double leval jib, three point of connection on linkage board are triangular in shape provides gripping power by hydraulic actuating cylinder, with two clamping plate, large bag bag is held together wherein, by holding device, large bag is clamped, change the conveying of the non-homogeneous material of script into conveying like even pledge material, like this in course of conveying, the motion of large bag simplifies, from microcosmic, under the effect of clamping plate, the conversion of motion that the material particles of bag inside is originally complicated is geo-stationary, from macroscopic view, large bag originally sometimes fast and sometimes slow conversion of motion is uniform movement, the conveying of so large bag becomes stable, no longer produce conveying trapping phenomena, simultaneously, large bag force of inertia reduces greatly, the variable load that whole device bears reduces, the device movable parts life-span improves.
Further: described actuator comprises roller rack, carrying roller, bracket base, roller, dragging hydraulic actuating cylinder and flat board, described carrying roller is arranged on roller rack, described roller rack is fixedly mounted on flat board, flat board is provided with two parallel guide rails, bracket base both sides correspondence is provided with roller, roller rolls with guide rail and is connected, and drag hydraulic actuating cylinder one end and be fixed on dragging hydraulic cylinder leg, the other end and support are fixedly connected.Support and the holding device be connected thereon be look at entirety, and hydraulic actuating cylinder can drive them to move around along guide rail, and the gravity of the gravity of large bag, holding device and actuator self is delivered on platform by rolling wheel guide rails.Actuator adopts rolling wheel guide rails higher pair to connect, and friction drag is little, the power reduction of consumption, for the raising of delivery speed creates condition.The piston rod driving velocity of hydraulic actuating cylinder can regulate, and shortens net cycle time.The hydraulic-driven stability under loading of hydraulic actuating cylinder own, has damper mechanism again in addition, improves device and to withstand shocks load capacity, and movable parts extends service life.
Further: described turn table device comprises motor, governor, big gear wheel, miniature gears, inner gear, frame, described motor is fixed in frame, motor output end is connected with governor input end, governor mouth is connected with big gear wheel fixed conveyor, big gear wheel engages with miniature gears, miniature gears engages with inner gear, and inner gear is fixed on platform base.Motor provides the propulsive effort needed for revolution, and governor adjustment speed of revolutions, during load, low speed revolution, can turn round at a high speed time unloaded, shorten net cycle time.
Preferably: described Wrap angle of clamping plate is 150 ° of V-type clamping plate.
Adopt a large bag conveying forward method for said apparatus, step is as follows:
1) with holding device, large bag being clamped with certain force, by clamping large bag, the conveying of script anisotropic material can be changed into the conveying like even pledge material;
2) with actuator, large bag is moved by transition region to platform along guide rail from edge, main channel with certain speed, actuator is not traditional chain gear, have employed hydraulic-driven, rolling wheel guide rails higher pair connects,, device vibration damping, friction drag is little, guide moving velocity can regulate, and improves device movable parts service life and large bag delivery speed;
3) will hold the delivery platform revolution certain angle of large bag according to the throughput direction that manufacturing line requires with turn table device, electrical motor provides the propulsive effort needed for platform revolution, and governor adjustment platform speed of revolutions, shortens net cycle time;
4) with actuator, large bag is moved by transition region to subchannel along guide rail from platform with certain speed;
5) holding device unloading, large bag is placed on the carrier bar of subchannel;
6) apparatus platform reversed turning is to initial position.
The beneficial effects of the utility model are: the utility model does not have trapping phenomena in large bag transportation, and conveying is stable; Net cycle time reduces, and improves capacity packing, brings up to capacity packing >=50 bag/h by original capacity packing≤35 bag/h; The service life of conveying steering hardware also significantly improves.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is large bag feedway front view;
Fig. 2 is large bag feedway birds-eye view;
Fig. 3 is the partial enlarged view of A;
Fig. 4 is the impact of clamping plate pressure on bag volume;
Fig. 5 is bag internal pressure distribution graph;
Fig. 6 is clamping plate and bag schematic diagram;
Fig. 7 is that Wrap angle of clamping plate angle α is to bag internal pressure effect diagram;
Fig. 8 is packaging bag flow plan;
Fig. 9 is working cycle diagram.
In figure: 1, roller rack, 2, carrying roller, 3, inner gear, 4, miniature gears, 5, big gear wheel, 6, governor, 7, electrical motor, 8, guide rail, 9, roller, 10, bracket base, 11, frame, 12, third connecting rod, 13, clamping plate, 15, second connecting rod, 17, double leval jib, 19, support, 20, first connecting rod, 21, drag hydraulic cylinder leg, 22, dull and stereotyped, 23, drag hydraulic actuating cylinder, 24, linkage board, 25 clamping hydraulic cylinders, 26, main channel, 27, large bag, 28, transition region I, 29, platform, 30, workshop section I, 31, subchannel, 32, transition region II.
Detailed description of the invention
The utility model is described in more detail by reference to the accompanying drawings now.These accompanying drawings are being shown as of simplification.
Embodiment:
As shown in Figure 1,2 and 3, a kind of large bag conveying steering hardware, it is characterized in that: there is holding device, actuator and turn table device, described holding device is positioned at actuator front end, and be connected with actuator, actuator can move with holding device, and actuator is positioned at above turn table device, and turn table device can realize rotating together with holding device with actuator.
Holding device comprises clamping hydraulic cylinder 25, clamping plate 13, linkage board 24, first connecting rod 20, second connecting rod 15, third connecting rod 12, double leval jib 17 and support 19, the cylinder part of described clamping hydraulic cylinder 25 is fixedly mounted on support 19, the external part of described clamping hydraulic cylinder 25 is fixedly connected with linkage board 24, described first connecting rod 20 and third connecting rod 12 are symmetricly set on the both sides of clamping hydraulic cylinder 25 respectively, wherein one end and the linkage board 24 of described first connecting rod 20 and third connecting rod 12 are hinged, the other end of described first connecting rod 20 and the end of second connecting rod 15 hinged, the other end of described third connecting rod 12 and the end of double leval jib 17 hinged, described second connecting rod 15 and double leval jib 17 are all also hinged with described support 19, described second connecting rod 15 and double leval jib 17 are symmetrical, described clamping plate 13 are installed in the face that described second connecting rod 15 is relative with double leval jib 17.
Actuator comprises roller rack 1, carrying roller 2, bracket base 10, roller 9, drags hydraulic actuating cylinder 23 and dull and stereotyped 22, described carrying roller 2 is arranged on roller rack 1, described roller rack 1 is fixedly mounted on dull and stereotyped 22, flat board 22 is provided with two parallel guide rails 8, bracket base 10 both sides correspondence is provided with roller 9, roller 9 rolls with guide rail 8 and is connected, and drag hydraulic actuating cylinder 23 one end and be fixed on dragging hydraulic cylinder leg 21, the other end and support 19 are fixedly connected.
Turn table device comprises motor 7, governor 6, big gear wheel 5, miniature gears 4, inner gear 3, frame 11, described motor 7 is fixed in frame 11, motor 7 mouth is connected with governor 6 input end, governor 6 mouth is connected with big gear wheel 5 fixed conveyor, big gear wheel 5 engages with miniature gears 4, miniature gears 4 engages with inner gear 3, and inner gear 3 is fixed on dull and stereotyped 22 bottom surfaces.
Described clamping plate 13 are V-type clamping plate, and its cornerite is 150 °.
Adopt a large bag conveying forward method for said apparatus, step is as follows:
1) with holding device, large bag 27 is clamped;
2) with actuator, large bag 27 is moved from edge, main channel 26 along guide rail by transition region I 28 to platform 29;
3) the delivery platform revolution certain angle of large bag 27 will be held with the throughput direction that turn table device requires according to manufacturing line;
4) with actuator, large bag 27 is moved from platform 29 along guide rail by transition region II 32 to subchannel 31;
5) holding device unloading, large bag 27 is placed on subchannel 31;
6) apparatus platform reversed turning is to initial position.
The large bag of the following stated 27 is diameter 800mm, high 1400mm, quality 2 tons, and large bag 27 material is PTA (large Organic Ingredients).
As shown in Figure 4, Wrap angle of clamping plate is 180 ° and can finds out, in the starting stage, the large bag 27 of material is out of shape under the effect of clamping plate 13 pressure, clamping plate 13 apply pressure reach certain after, large bag 27 resistance to deformation increases, distortion is slow, now, and material compacting gradually in large bag 27, final clamping plate 13 are fitted with large bag 27, and large bag 27 deformation values is tending towards constant.This is just demonstrated and is compressed by holding device clamping plate 13, in large bag 27, material can compacting, ensure that between large bag 27 on the go large bag 27 internal particle it is no longer the compound movement of various ways of the slip of conventional apparatus, rolling or saltation, but geo-stationary, large bag 27 is carried steadily, force of inertia is little, and the varying stress load that actuator and turn table device bear greatly reduces.
Bag internal pressure distribution situation as shown in Figure 5, material is PTA, unit clamping plate pressure is respectively 6, 8, 10MPa, apply 6MPa unit clamping plate pressure, large bag 27 internal stress is 0.5MPa, this stress can not by material compacting, in this case, when large bag 27 moves with certain speed, the state of kinematic motion of its materials inside particle is still complicated, granule interior comprises slip, the compound movement of the various ways of rolling or saltation, when applying 8, 10MPa unit clamping plate pressure, large bag 27 internal stress reaches 1.5Mpa, by material compacting, now the state of kinematic motion of material becomes simple, material particles geo-stationary, large bag 27 stable movement.Visible holding device unit clamping plate pressure optimum value is 8MPa.
Be the effect diagram of Wrap angle of clamping plate α to bag internal pressure as shown in Figures 6 and 7, when clamping plate 13 cornerite is respectively 180 °, 150 °, 120 °, clamping plate 13 elastic deformation amount result is measured at the diverse location of large bag 27, can analyze from figure, 180 ° of cornerite clamping plate are at different bag positions deflection difference 9.50mm, deflection maxim 9.79mm, deflection aviation value 5.14mm; 150 ° of cornerite clamping plate are at different bag positions deflection difference 4.30mm, deflection maxim 7.70mm, deflection aviation value 3.60mm; 120 ° of cornerite clamping plate are at different bag positions deflection difference 4.94mm, deflection maxim 9.00mm, deflection aviation value 6.46mm.More than analyze and reach a conclusion: 150 ° of cornerite clamping plate deflection differences, deflection maxim and deflection aviation values are all minimum, so the utility model adopts 150 ° of cornerite clamping plate.
The utility model as described in Figure 8 implements the defeated route of bag, and one, greatly bag 27 arrive station I from main channel, and station I is at main channel 26 and transition region I 28 intersection; Two, by actuator, large bag 27 arrives station II from station I, and station II is on the delivery platform near transition region I 28; Three, delivery platform turns to, and large bag 27 arrives station III from station II; Four, again by actuator, bag arrives station IV from station III, and station IV is at subchannel 31 and transition region II 32 intersection, and object workshop section I is led in subchannel 31; Above I ~ IV large bag 27 route diagram represents with solid line, in this course of conveying, and whole turning transporting device load.After large bag 27 is transported to station IV, turning transporting device unloads.Subsequently, device, according to shown in diagram dotted line, along IV ~ I route, gets back to again station I, and in the process, whole turning transporting device is unloaded.While the unloading of conveying steering hardware, large bag 27 is transported to object workshop section I 30 by subchannel 31.Similarly, by conveying steering hardware, large bag 27 can arrive other object workshop section.
Utility model device working cycle as shown in Figure 9, the motion of the utility model conveying steering hardware radical function comprises following action: support 19 is movable, clamping plate 13 close up open, platform 29 turns round.
The utility model obtains the movable speed of support 19 by adjustment hydraulic actuating cylinder 23, realizes clamping plate 13 close up the suitable speed of opening by adjustment hydraulic actuating cylinder 25, by adjusting the speed of governor 6, and adjustment platform 29 speed of revolutions.During load, kinematic velocity can slow down, and time unloaded, kinematic velocity is accelerated, and shortens circulating working time like this, improves capacity packing.
The dynamic characteristic of each FM is as shown in table 1
The dynamic characteristic of each FM of table 1
| FM title | Landline | Application operating mode | Power needs | Rate request |
| Support moves forward and backward | Ⅰ→Ⅱ；Ⅲ→Ⅳ | Load | Greatly | Low speed |
| Support moves forward and backward | Ⅰ←Ⅱ；Ⅲ←Ⅳ | Unloaded | Little | At a high speed |
| Clamping plate close up | Ⅰ→Ⅳ | Load | Greatly | Low speed |
| Clamping plate open | Ⅰ←Ⅳ | Unloaded | Little | At a high speed |
| Platform turns round | Ⅱ→Ⅲ | Load | Greatly | Low speed |
| Platform turns round | Ⅱ←Ⅲ | Unloaded | Little | At a high speed |
As shown in Figure 9, working cycle comprises: one, bag is from I station to the conveying of IV station, comprises that clamping plate 13 close up, moves after support 19, platform 29 turns round, support 19 moves forward, clamping plate 13 open; Two, the conveying of I station got back to by bag from IV station, moves, platform 29 turns round, support 19 moves forward after comprising support 19.By the speed of adjustment hydraulic ram flow and pressure, adjustment governor 6, conveying steering hardware net cycle time can reach 10m/s, can ensure capacity packing 50 bags/h, carry steering hardware to compare, substantially increase capacity packing with tradition.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification sheets, must determine its technical scope according to right.
Claims (5)
1. a large bag conveying steering hardware, it is characterized in that: there is holding device, actuator and turn table device, described holding device is positioned at actuator front end, and be connected with actuator, actuator can drive holding device to move, actuator is positioned at above turn table device, and turn table device can realize driving actuator to rotate together with holding device.
2. large bag conveying steering hardware according to claim 1, it is characterized in that: described holding device comprises clamping hydraulic cylinder (25), clamping plate (13), linkage board (24), first connecting rod (20), second connecting rod (15), third connecting rod (12), double leval jib (17) and support (19), the cylinder part of described clamping hydraulic cylinder (25) is fixedly mounted on support (19), the external part of described clamping hydraulic cylinder (25) is fixedly connected with linkage board (24), described first connecting rod (20) and third connecting rod (12) are symmetricly set on the both sides of clamping hydraulic cylinder (25) respectively, wherein one end and the linkage board (24) of described first connecting rod (20) and third connecting rod (12) are hinged, the other end of described first connecting rod (20) and the end of second connecting rod (15) hinged, the other end of described third connecting rod (12) and the end of double leval jib (17) hinged, described second connecting rod (15) and double leval jib (17) are all also hinged with described support (19), described second connecting rod (15) and double leval jib (17) are symmetrical, described clamping plate (13) are installed in the face that described second connecting rod (15) is relative with double leval jib (17).
3. large bag conveying steering hardware according to claim 2, it is characterized in that: described actuator comprises roller rack (1), carrying roller (2), bracket base (10), roller (9), drag hydraulic actuating cylinder (23) and dull and stereotyped (22), described carrying roller (2) is arranged on roller rack (1), described roller rack (1) is fixedly mounted on flat board (22), described flat board (22) is provided with two parallel guide rails (8), bracket base (10) both sides correspondence is provided with roller (9), roller (9) rolls with guide rail (8) and is connected, dragging hydraulic actuating cylinder (23) one end is fixed in dragging hydraulic cylinder leg (21), the other end and support (19) are fixedly connected.
4. large bag conveying steering hardware according to claim 3, it is characterized in that: described turn table device comprises motor (7), governor (6), big gear wheel (5), miniature gears (4), inner gear (3), frame (11), described motor (7) is fixed in frame (11), the mouth of described motor (7) is connected with the input end of governor (6), the mouth of described governor (6) is connected with big gear wheel (5) fixed conveyor, described big gear wheel (5) engages with miniature gears (4), described miniature gears (4) engages with inner gear (3), described inner gear (3) is fixed on flat board (22) bottom surface.
5. large bag conveying steering hardware according to claim 3, is characterized in that: described clamping plate (13) are V-type clamping plate, and its cornerite is 150 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746270.2U CN204297631U (en) | 2014-12-02 | 2014-12-02 | Large bag conveying steering hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746270.2U CN204297631U (en) | 2014-12-02 | 2014-12-02 | Large bag conveying steering hardware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204297631U true CN204297631U (en) | 2015-04-29 |
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ID=53103191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420746270.2U Withdrawn - After Issue CN204297631U (en) | 2014-12-02 | 2014-12-02 | Large bag conveying steering hardware |
Country Status (1)
| Country | Link |
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| CN (1) | CN204297631U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528345A (en) * | 2014-12-02 | 2015-04-22 | 常州新区中策机械设备有限公司 | Conveying turning method and device for large package |
| CN108545429A (en) * | 2018-05-22 | 2018-09-18 | 湖州锐格物流科技有限公司 | A kind of automatic high-efficiency trimmer |
| CN109559838A (en) * | 2019-01-03 | 2019-04-02 | 航天晨光股份有限公司 | A kind of radioactive waste bucket and bucket cake filling device |
-
2014
- 2014-12-02 CN CN201420746270.2U patent/CN204297631U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528345A (en) * | 2014-12-02 | 2015-04-22 | 常州新区中策机械设备有限公司 | Conveying turning method and device for large package |
| CN104528345B (en) * | 2014-12-02 | 2017-05-03 | 常州新区中策机械设备有限公司 | Conveying turning method and device for large package |
| CN108545429A (en) * | 2018-05-22 | 2018-09-18 | 湖州锐格物流科技有限公司 | A kind of automatic high-efficiency trimmer |
| CN109559838A (en) * | 2019-01-03 | 2019-04-02 | 航天晨光股份有限公司 | A kind of radioactive waste bucket and bucket cake filling device |
| CN109559838B (en) * | 2019-01-03 | 2023-11-17 | 航天晨光股份有限公司 | Radioactive waste barrel and barrel cake filling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20170503 |