CN205097445U - Multi -functional mixing head of high pressure - Google Patents
Multi -functional mixing head of high pressure Download PDFInfo
- Publication number
- CN205097445U CN205097445U CN201520917016.9U CN201520917016U CN205097445U CN 205097445 U CN205097445 U CN 205097445U CN 201520917016 U CN201520917016 U CN 201520917016U CN 205097445 U CN205097445 U CN 205097445U
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- transmission shaft
- thorn
- stirring rod
- pressure
- mixing drum
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Abstract
The utility model provides a multi -functional mixing head of high pressure, it relates to a mixing head. The utility model discloses the purpose is for the degree of the mixed feed liquid of solving present mixing head is poor and product aperture that produce is even inadequately, problem that the quality haves much room for improvement. The utility model discloses well barrel for the transmission shaft, the mixing drum, pressure buffer case communicate in order, the transmission shaft is located barrel for the transmission shaft, the stirring rod is located the mixing drum, there is raw materials import on the section of thick bamboo wall of mixing drum, the one end of keeping away from the mixing drum among the pressure buffer case is the spout, there is the ejection of compact cover body on this spout, pressure balance net bars lie in spout department and can dismantle the connection and cover internally in the ejection of compact, the one end of transmission shaft is passed through the actuator and is connected with the motor with the foaming, the other end of transmission shaft can be dismantled and be connected with the stirring rod, there is multirow stirring thorn in the stirring rod, the axial direction staggered arrangement that the stirring rod is followed to multirow stirring thorn, every nematophore is the arc -shaped strip body, the both ends rigid coupling of nematophore is on the outer wall of stirring rod. The utility model is used for preparation polyurethane foam.
Description
Technical field
The utility model relates to a kind of Multifunctional high pressure mixing head.
Background technology
In flexible polyurethane foams continuous seepage, production equipment directly has influence on the quality of product, and the core of production equipment is exactly mixing head design and processing, and mixing head is occupied an important position in complete equipment; Foam pattern on the impact of product also clearly, mainly comprises high-pressure foam mode and low pressure foam pattern, and the product that high-pressure foam mode is produced have the features such as uniform pore diameter exquisiteness, performance be good approve by vast polyurethane manufacturer.At present, the foaming production line of horizontal and vertical tinuous production many employings low pressure mixing head design that domestic and international many polyurethane plant manufacturers produce, minority horizontal continuity production line adopts high-pressure foam mode.By the high-pressure molding casting machine known by vast polyurethane insider, the pressure that raw material enters mixing head can reach in 100 Palestine and Israels, the aperture number producing product can reach more than 150PPI, can learn in the scope of pressure controllable, pressure is larger, the product aperture of producing is finer and smoother, thus performance is better.Therefore, in order to break through the mixing head pressure limit of polyurethane tinuous production, produce the polyurethane foam of more high-quality, high pressure quantity-produced mixing head part is studied fully and tested, mixing head each several part carries out redesign processing, produces the nozzle system that pressure reaches 100 bar.But the mixing head in high pressure continuous seepage also there is the mixability difference of the mixed liquor of mixing head and the product aperture produced is even not, the problem that quality has much room for improvement.
Summary of the invention
The utility model is the degree difference of the mixed liquor solving mixing head and the product aperture produced is even not, has the problem that beans hole and current mark generation quality have much room for improvement, and then proposes a kind of Multifunctional high pressure mixing head.
The utility model is solve the problems of the technologies described above the technical scheme taked to be:
A kind of Multifunctional high pressure mixing head, it comprises power transmission shaft cylindrical shell, mixing drum, pressure buffer cylinder, discharging cover body, power transmission shaft, stirring rod, pressure balance net grid and many rows stir thorn, described power transmission shaft cylindrical shell, mixing drum, pressure buffer cylinder is communicated with in turn, power transmission shaft is positioned at power transmission shaft cylindrical shell, stirring rod is positioned at mixing drum, the barrel of mixing drum is processed with material inlet, be spout away from one end of mixing drum in pressure buffer cylinder, this spout is set with discharging cover body, described pressure balance net grid are positioned at nozzle and are detachably connected on discharging cover body, one end of power transmission shaft is connected with foaming motor by driver, the other end of power transmission shaft is removably connected with stirring rod, stirring rod is evenly equipped with many rows and stirs thorn, many rows stir the axial direction stung along stirring rod and are staggered, often row's stirring thorn comprises multiple nematophore, each nematophore is arc strip body, the two ends of nematophore are fixedly connected on the outer wall of stirring rod.
The utility model beneficial effect compared with prior art:
The utility model design science is reasonable, safe and reliable, the mixing stroke of feed liquid is effectively extended by cylindrical shell, being equipped with between mixing drum and pressure buffer cylinder, feed liquid mixing time is made to be able to effective prolongation, power transmission shaft drives stirring rod High Rotation Speed, feed liquid is mixed more even, simultaneously the utility model is equipped with pressure balance net grid and makes feed liquid be able to the pressure distribution of more uniform dispersion and equalization vent mixed liquor at nozzle, make the aperture uniform and smooth more of product, prevent the generation of beans hole and current mark.The utility model coordinates foaming motor to produce polytype product, highly versatile, applied widely, wide market.
Accompanying drawing explanation
Fig. 1 is main TV structure profile of the present utility model;
Fig. 2 is the utility model and the annexation schematic diagram between foaming motor 6-1, driver 6-5;
Fig. 3 is that many rows stir the distribution schematic diagram of thorn 6-3-8 on stirring rod 6-3-6.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1, Fig. 2 and Fig. 3 illustrates present embodiment, present embodiment comprises power transmission shaft cylindrical shell 6-3-1, mixing drum 6-3-2, pressure buffer cylinder 6-3-3, discharging cover body 6-3-4, power transmission shaft 6-3-5, stirring rod 6-3-6, pressure balance net grid 6-3-7 and many rows stir thorn 6-3-8, described power transmission shaft cylindrical shell 6-3-1, mixing drum 6-3-2, pressure buffer cylinder 6-3-3 is communicated with in turn, power transmission shaft 6-3-5 is positioned at power transmission shaft cylindrical shell 6-3-1, stirring rod 6-3-6 is positioned at mixing drum 6-3-2, the barrel of mixing drum 6-3-2 is processed with material inlet 6-3-10, be spout 6-3-9 away from one end of mixing drum 6-3-2 in pressure buffer cylinder 6-3-3, this spout 6-3-9 is set with discharging cover body 6-3-4, described pressure balance net grid 6-3-7 is positioned at spout 6-3-9 place and is detachably connected on discharging cover body 6-3-4, one end of power transmission shaft 6-3-5 is connected with motor 6-1 with foaming by driver 6-5, the other end of power transmission shaft 6-3-5 is removably connected with stirring rod 6-3-6, stirring rod 6-3-6 is evenly equipped with many rows and stirs thorn 6-3-8, many row's stirring thorn 6-3-8 are staggered along the axial direction of stirring rod 6-3-6, often row's stirring thorn 6-3-8 comprises multiple nematophore, each nematophore is arc strip body, the two ends of nematophore are fixedly connected on the outer wall of stirring rod 6-3-6.
The utility model also needs to be equipped with storage tank zone, measuring pump, and measuring pump is connected with material inlet 6-3-10, and storage tank zone provides feed liquid for the utility model.Raw material in basin is sent to the porch of measuring pump by air with pressure, with one, raw material is specified that flow high-pressure delivery is to high pressure nozzle 6-3-11 place by measuring pump, spray into mixing drum 6-3-2 from high pressure nozzle 6-3-11 with an authorized pressure, various feed liquid flows out from mixing head spout 6-3-9 after mixing drum 6-3-2 mixes.
In the utility model, driver 6-5 is existing procucts, driver 6-5 comprises V-belt, belt pulley and mixing head belt pulley, belt pulley is sleeved on the output shaft of foaming motor 6-1, mixing head belt pulley is sleeved on power transmission shaft 6-3-5, and belt pulley to be connected with belt pulley by V-belt and mixing head and to be connected with power transmission shaft 6-3-5 by V-belt and realizes power transmission.
In the utility model, stirring rod 6-3-6 stings 6-3-8 and is equipped with and forms blade stirrer pattern with arranging to stir more, raw material in the utility model is after stirring rod 6-3-6 stirs, enter in the pressure buffer shape chamber in pressure buffer cylinder 6-3-3, at this place, twice mixed raw material is assembled herein, the polytropism of the uneven and flow velocity of longer shape cavity length raw material is also reduced while continuous mixing pressure that vortex velocity brings.
In the utility model, pressure balance net grid 6-3-7 adopts porous cylindrical design, mixed liquor, through this position, is removed the flow direction that mixed liquor rotates, is avoided the back pressure phenomenon that may occur, ensure the uniform and stable flowing of mixed liquor, for the quality of product provides guarantee.
After foaming starts with motor 6-1, belt pulley drives mixing head power transmission shaft, mixing head power transmission shaft to drive stirring rod 6-3-6 to rotate, raw material through metering enters in the mixing shape chamber of mixing drum 6-3-2 by high pressure resistant pipeline, raw material high pressure nozzle 6-3-11, first being that major ingredient enters in mixing shape chamber through feed pipe, is secondly that small powder enters in mixing shape chamber through high pressure resistant pipeline and high pressure nozzle 6-3-11.While each component raw material enters mixing shape chamber, stir thorn ceaselessly rotating, raw material is uniformly mixed fully, raw material fills mixing shape chamber fast, enter in the pressure buffer shape chamber of pressure buffer cylinder 6-3-3, do not have the effect raw material vortex velocity of stirring rod 6-3-6 to weaken gradually, reduce the pressure produced by vortex velocity uneven.Mixed liquor arrival pressure balance net grid 6-3-7, make the motion in mixed liquor elimination of level direction further, the mixing head that flows to making mixed liquor stable exports, and is injected on the base stock in foaming path, and the homogeneous phase flowing realizing foam is sent out with even.
Detailed description of the invention two: composition graphs 1 and Fig. 2 illustrate present embodiment, the barrel of the 6-3-2 of mixing drum described in present embodiment is also processed with the multiple raw material high pressure nozzle 6-3-11 with high pressure resistant pipeline communication.
Existing high pressure nozzle is very high to the requirement of flow, the effect of the vaporific ejection of raw material will lose high pressure after the scope of excess flow after, loses the process of just mixing.In this problem, the utility model adopts unique designs of nozzles, for the large discharge requirement on polyurethane production line, designs adjustable and fixed two kinds of high pressure nozzles.Adjustable mainly for the use for each small powder component, nozzle adopts plunger type, pressure regulates available cylinder and spring regulates, because nozzle vent size achieves seriation, therefore various flow rate scope is applicable to, so in little component, the component of intermediate flow and the component of large discharge of flow, when being entered shape chamber by high voltage style, same atomizing effect and dispersion effect can be obtained.Other NM structures and annexation identical with detailed description of the invention one.
Detailed description of the invention three: composition graphs 1 and Fig. 2 illustrate present embodiment is pressure buffer an actor's rendering of an operatic tune in the cylinder of pressure buffer described in present embodiment 6-3-3, and the length of described pressure buffer an actor's rendering of an operatic tune is the span of L, L is 15cm ~ 30cm.Raw material, after blade mixer, enters pressure buffer shape chamber, and at this place, twice mixed raw material is assembled herein, the polytropism of the uneven and flow velocity of longer shape cavity length raw material is also reduced while continuous mixing pressure that vortex velocity brings.Other NM structures and annexation identical with detailed description of the invention one or two.
Detailed description of the invention four: composition graphs 3 illustrates present embodiment, in present embodiment, more many row's stirring thorn 6-3-8 are divided into ranked first and stir thorn and ranked second stirring thorn more, ranked first each nematophore stirred in thorn more and tilt upward setting, ranked second each nematophore in stirring thorn more and be tilted to lower setting, between the length direction of each nematophore and the radial direction of stirring rod 6-3-6, angle is the span of θ, θ is 5 ° ~ 15 °.
Ranked first that stir thorn and ranked second the distribution mode stirring thorn more can random distribution more in present embodiment, also can be alternately distributed.When the row that many rows stir thorn 6-3-8 is four, namely four row stir thorn 6-3-8 be divided into two ranked first stir thorn and two ranked second stir sting, it is downward-sloping design that four row's stirring thorn 6-3-8 have two ranked first to stir thorn, two ranked second that to stir thorn be the design that is inclined upwardly, and so setting makes mixing head provide when mixed liquor in horizontal direction and vertical direction both direction the shearing of feed liquid and stirring.This stirring power of mixing head makes the overall uniformity of feed liquid, thus reduces, and even eliminates the current mark be present in final froth pulp, eliminates foam quality accident potential.
The each nematophore stirred in thorn 6-3-8 also can be set to fan shape, by the stirring of the nematophore of fan shape, there is minimum shearing force and the highest kneading power, by adopting this agitating mode, make the utility model produce the large aperture polyurethane foam of uniform pore size, this macrocellular foam can be processed into high-end reticulated polymer foam.
In present embodiment, each nematophore is leaf structure, has angle theta between the length direction of each nematophore and the radial direction of stirring rod 6-3-6, namely forms band blade angle formula and stirs thorn.Stir thorn with blade angle formula and controllable operating is accomplished to an actor's rendering of an operatic tune pressure in mixing head 6-3.Can reach requirement force value by adjustment rotation direction and velocity of rotation, concrete adjustment process is for when turning clockwise, and pressure increases, and when being rotated counterclockwise, pressure reduces.Velocity of rotation can increase or reduce the degree that pressure increases and decreases soon and slowly.In the production of polyethers and polyester, under the prerequisite of ceteris paribus, an actor's rendering of an operatic tune pressure in mixing head 6-3 plays crucial effect to abscess fineness range regulation.The nematophore of vane type, when stirring supercharging, can make the aperture of net silk floss increase, and improves the pore diameter range of macropore silk floss.During blade decompression, the aperture of pore silk floss can be made within the specific limits more tiny, a nearlyer step improves the fine and smooth degree of abscess, for the sponge of producing more high-quality creates condition.
Band blade angle formula stirs thorn and has not only heightened stirring capacity, and make mixed liquor uniformity coefficient good, also reduce shearing force, in the production especially to reinforcing body filler, not fragile filler, keeps good integrality, plays enhancing, toughness reinforcing effect.In the resistance combustion polyurethane foam product adding chip solid filler expansible graphite, agitating mode not at that time, increases the degree of crushing of graphite, internal acid matter composition can be made to overflow, weaken the expansion multiplying power of graphite, lowers flame retardant effect and brings harm to technique.Also there is extraordinary mixed effect while greatly reducing shearing force with blade angle formula agitating mode, graphite is dispersed in feed liquid uniformly, meets the demand of continuous print production line, reach the quality standard of product.When using the solid packing of needle-like and short fiber class, this agitating mode, when not destroying solid packing structure, can reach good mixing uniformity, and filler can be made again to be randomly dispersed within feed liquid, without local defect, finally reach the object of toughness of gaining in strength, increase.Other NM structures and annexation identical with detailed description of the invention three.
Carrying out primary mixing after entering mixing shape chamber by each component raw material of nozzle is rely on the vaporific dispersion that brings of high pressure and high-speed motion to realize.Blade stirrer thorn carries out second time mixing.Stirring thorn adopts vanelets to stir, and blade is with certain angle of inclination, and scope is 5 ° ~ 15 °.Due to the effect of blade angle, therefore in the middle of the process stirred, raw material had both been subject to thrust and the shearing force of horizontal direction, also be subject to the thrust of a vertical direction simultaneously, raw material carries out up and down and the rapid movement of horizontal direction simultaneously, mixing effect can be made better, eliminate the stirring dead angle that may occur, thus ensure that in final products the generation not having beans hole and current mark.Meanwhile, according to the difference of foam varieties, the direction of rotation of thorn is stirred in adjustment, can change the size of mixing material pressure in deformable cavity, thus can produce desired macrocellular foam or pore foam.
Following table is the contrast table of the various performances of high-pressure foam and low-pressure foam:
Detailed description of the invention five: composition graphs 3 illustrates present embodiment, present embodiment also comprises two anchor ear 6-3-12, a described anchor ear 6-3-12 is sleeved on the intersection of mixing drum 6-3-2 outer wall and pressure buffer cylinder 6-3-3 outer wall, and pressure buffer cylinder 6-3-3 is fixedly connected with by anchor ear 6-3-12 described in another with spout 6-3-9.Two anchor ear 6-3-12 all play fastening effect.Other NM structures and annexation identical with detailed description of the invention one or four.
Detailed description of the invention six: composition graphs 3 illustrates present embodiment, in present embodiment, it also comprises sealing device 6-3-13, is set with sealing device 6-3-13 between described power transmission shaft 6-3-5 and mixing drum 6-3-2.
Sealing device 6-3-13 in present embodiment is arranged near stirring rod 6-3-6.Sealing device 6-3-13 in present embodiment is black box, is specially sealing shroud structure.
Because high pressure is produced the seal request of nozzle and base very tight, therefore in design and process, ensure that can there be good sealing effectiveness in the Mechanical Contact face of nozzle and base.In hybrid chamber, power transmission shaft 6-3-5 is moving component, and to mix shape chamber be stationary parts, the sealing effectiveness in the gap of its moving component and stationary parts is extremely important, because if compound is infiltrated in gap, compound reaction becomes solid, thus seriously hinder mixing effect, simultaneously because reacted solid can be subject to very large frictional force when stirring, cause local rapid temperature increases, too high local temperature can have a strong impact on the harmony of compound reaction, causes quality accident.And sealing device 6-3-13 of the present utility model is become the rubbing surface of horizontal direction from the rubbing surface of original vertical direction, like this, in the process stirring thorn rotation, in time the feed liquid of infiltration can be thrown away, thus avoid the generation of buildup, adopt thin material to inject at seal section simultaneously, be separated with mixing section, such compound is just not easy to touch sealing position, therefore, even if there is infiltration also can not produce solid buildup.By above two means, effective sealing can be accomplished completely, ensure technological effect.
Assembling of the present utility model and the course of work:
Foaming connects belt pulley with motor 6-1, belt pulley is connected with mixing head belt pulley by V-belt, in mixing head, belt pulley is connected with stirring rod 6-3-6 by power transmission shaft, power transmission shaft 6-3-5 is connected with power transmission shaft cylindrical shell 6-3-1 by bearing, power transmission shaft cylindrical shell 6-3-1 is connected with mixing drum 6-3-2 bolt, sealing device 6-3-13 is connected with power transmission shaft 6-3-5 with mixing shape chamber respectively, mixing drum 6-3-2 is furnished with material inlet, material inlet is connected with feed conduit or raw material nozzles respectively, mixing drum 6-3-2 is connected with pressure buffer cylinder 6-3-3 by anchor ear 6-3-12, pressure buffer cylinder 6-3-3 is connected with spout 6-3-9 by anchor ear 6-3-12.Foaming motor 6-1 drives stirring rod 6-3-6 to rotate by various connection, and various raw material enters the mixing shape chamber of mixing drum 6-3-2 by material inlet 6-3-10 or high pressure nozzle 6-3-11, stirs, and then flows out from pressure balance net grid 6-3-7.
Claims (6)
1. a Multifunctional high pressure mixing head, it is characterized in that: it comprises power transmission shaft cylindrical shell (6-3-1), mixing drum (6-3-2), pressure buffer cylinder (6-3-3), discharging cover body (6-3-4), power transmission shaft (6-3-5), stirring rod (6-3-6), pressure balance net grid (6-3-7) and many rows stir thorn (6-3-8), described power transmission shaft cylindrical shell (6-3-1), mixing drum (6-3-2), pressure buffer cylinder (6-3-3) is communicated with in turn, power transmission shaft (6-3-5) is positioned at power transmission shaft cylindrical shell (6-3-1), stirring rod (6-3-6) is positioned at mixing drum (6-3-2), the barrel of mixing drum (6-3-2) is processed with material inlet (6-3-10), be spout (6-3-9) away from one end of mixing drum (6-3-2) in pressure buffer cylinder (6-3-3), this spout (6-3-9) is set with discharging cover body (6-3-4), described pressure balance net grid (6-3-7) are positioned at spout (6-3-9) place and are detachably connected on discharging cover body (6-3-4), one end of power transmission shaft (6-3-5) is connected with motor (6-1) with foaming by driver (6-5), the other end of power transmission shaft (6-3-5) is removably connected with stirring rod (6-3-6), stirring rod (6-3-6) is evenly equipped with many rows and stirs thorn (6-3-8), many row'ss stirring thorn (6-3-8) are staggered along the axial direction of stirring rod (6-3-6), often row's stirring thorn (6-3-8) comprises multiple nematophore, each nematophore is arc strip body, the two ends of nematophore are fixedly connected on the outer wall of stirring rod (6-3-6).
2. a kind of Multifunctional high pressure mixing head according to claim 1, is characterized in that: the barrel of described mixing drum (6-3-2) is also processed with the multiple raw material high pressure nozzles (6-3-11) with high pressure resistant pipeline communication.
3. a kind of Multifunctional high pressure mixing head according to claim 1 and 2, is characterized in that: be pressure buffer an actor's rendering of an operatic tune in described pressure buffer cylinder (6-3-3), the length of described pressure buffer an actor's rendering of an operatic tune is L, and the span of L is 15cm ~ 30cm.
4. a kind of Multifunctional high pressure mixing head according to claim 3, it is characterized in that: more many row'ss stirring thorn (6-3-8) are divided into ranked first and stir thorn and ranked second stirring thorn more, ranked first each nematophore stirred in thorn more and tilt upward setting, ranked second each nematophore in stirring thorn more and be tilted to lower setting, between the radial direction of the length direction of each nematophore and stirring rod (6-3-6), angle is the span of θ, θ is 5 ° ~ 15 °.
5. a kind of Multifunctional high pressure mixing head according to claim 1 or 4, it is characterized in that: it also comprises two anchor ears (6-3-12), a described anchor ear (6-3-12) is sleeved on the intersection of mixing drum (6-3-2) outer wall and pressure buffer cylinder (6-3-3) outer wall, and pressure buffer cylinder (6-3-3) is fixedly connected with by anchor ear described in another (6-3-12) with spout (6-3-9).
6. a kind of Multifunctional high pressure mixing head according to claim 5, it is characterized in that: it also comprises sealing device (6-3-13), between described power transmission shaft (6-3-5) and mixing drum (6-3-2), be set with sealing device (6-3-13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917016.9U CN205097445U (en) | 2015-11-17 | 2015-11-17 | Multi -functional mixing head of high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917016.9U CN205097445U (en) | 2015-11-17 | 2015-11-17 | Multi -functional mixing head of high pressure |
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| Publication Number | Publication Date |
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| CN205097445U true CN205097445U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520917016.9U Expired - Fee Related CN205097445U (en) | 2015-11-17 | 2015-11-17 | Multi -functional mixing head of high pressure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216211A (en) * | 2015-11-17 | 2016-01-06 | 哈尔滨市合众聚氨酯制品有限公司 | A kind of Multifunctional high pressure mixing head |
| CN105835291A (en) * | 2016-04-27 | 2016-08-10 | 张家港力勤机械有限公司 | Outlet mechanism of mixing head in polyurethane mixer |
| CN111559043A (en) * | 2020-06-02 | 2020-08-21 | 镇江中化聚氨酯工业设备有限公司 | Multi-component foaming machine system for sandwich board production line |
| CN112045880A (en) * | 2020-08-10 | 2020-12-08 | 范燕军 | Polyurethane mixing head structure |
-
2015
- 2015-11-17 CN CN201520917016.9U patent/CN205097445U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216211A (en) * | 2015-11-17 | 2016-01-06 | 哈尔滨市合众聚氨酯制品有限公司 | A kind of Multifunctional high pressure mixing head |
| CN105835291A (en) * | 2016-04-27 | 2016-08-10 | 张家港力勤机械有限公司 | Outlet mechanism of mixing head in polyurethane mixer |
| CN111559043A (en) * | 2020-06-02 | 2020-08-21 | 镇江中化聚氨酯工业设备有限公司 | Multi-component foaming machine system for sandwich board production line |
| CN112045880A (en) * | 2020-08-10 | 2020-12-08 | 范燕军 | Polyurethane mixing head structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20191117 |