CN204874310U - Composite system of polymorphic type water -reducing agent - Google Patents
Composite system of polymorphic type water -reducing agent Download PDFInfo
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- CN204874310U CN204874310U CN201520560554.7U CN201520560554U CN204874310U CN 204874310 U CN204874310 U CN 204874310U CN 201520560554 U CN201520560554 U CN 201520560554U CN 204874310 U CN204874310 U CN 204874310U
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- groove
- pipeline
- mother liquor
- mixing
- reducing agent
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Abstract
The utility model relates to a concrete water -reducing agent preparation field discloses a composite system of polymorphic type water -reducing agent, including composite unit of compound water -reducing agent and the composite unit of polycarboxylate water reducing agent. The composite unit of compound water -reducing agent includes that the naphthalene is that to be A groove, fat be that to be A groove, naphthalene be B groove and a blending tank for B groove, naphthalene for mother liquor charge -in pipeline, aliphat mother liquor charge -in pipeline, fat. The composite unit of polycarboxylate water reducing agent includes that it is B groove, a plurality of blending tank that ester class polycarboxylic acids mother liquor charge -in pipeline, ethers polycarboxylic acids mother liquor charge -in pipeline, acid are A groove, acid. Composite system of polymorphic type water -reducing agent still includes the inlet channel, the inlet channel respectively with the water inlet intercommunication of a plurality of blending tanks of blending tank and the composite unit of polycarboxylate water reducing agent. The utility model discloses a composite system of water -reducing agent can produce multiple different kinds of water -reducing agent, and not only design layout is reasonable, the unified management of being convenient for, and production efficiency is higher, and the quantity demand of equipment in the composite system, the cost is reduced have been reduced.
Description
Technical field
The utility model relates to cement water reducing agent preparation field, particularly relates to a kind of composite system of polymorphic type water reducer.
Background technology
Water reducer is a kind of maintaining under the constant condition of concrete slump, can reduce the concrete admixture of mixing water amount.Water reducer belongs to anion surfactant mostly, has sulfonated lignin, naphthalene sulphonate formaldehyde polymkeric substance etc.There is dissemination to cement granules after adding concrete mix, its workability can be improved, reduce unit consumption of water, improve the mobility of concrete mix; Or minimizing unit cement consumption, save cement.
Several water reducers the most frequently used are at present respectively polycarboxylate water-reducer, naphthalene water reducer and aliphatic water reducing agent.At present, for the production of water reducer, it is generally the water reducer that a production line can only produce a type, such design, the equipment on dissimilar water reducer production line can not share, and causes each production line must have the various equipment of complete set, such design is reasonable not, not only increase the cost of enterprise, nor be beneficial to unified management, production efficiency is lower.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of composite system of polymorphic type water reducer.The composite system of water reducer of the present utility model can the water reducer of production number of different types, and not only layout is reasonable, and be convenient to unified management, production efficiency is higher; And decrease the quantity demand of composite devices in system, reduce cost.
Concrete technical scheme of the present utility model is: a kind of composite system of polymorphic type water reducer, comprises the composite unit of compound water reducer and polycarboxylic acids water reducing agent compositional unit.
The composite unit of described compound water reducer comprises naphthalene system mother liquor pipeline, aliphatics mother liquor pipeline, fat system A groove, fat system B groove, naphthalene system A groove, naphthalene system B groove and a mixing tank; Described aliphatics mother liquor pipeline is communicated with fat system B groove opening for feed separately with fat system A groove respectively, described naphthalene system mother liquor pipeline is communicated with naphthalene system B groove opening for feed separately with naphthalene system A groove respectively, fat system A groove, fat system B groove discharge port are separately by being communicated with the opening for feed of a described mixing tank behind pipeline interflow, and naphthalene system A groove, naphthalene system B groove discharge port are separately also by being communicated with the opening for feed of a mixing tank behind pipeline interflow; The discharge port of a mixing tank is communicated with compound water reducer product storage tank by pipeline.
Described polycarboxylic acids water reducing agent compositional unit comprises ester and to birds of the same feather flock together carboxylic acid mother liquor's feed pipe, ethers poly carboxylic acid mother liquor pipeline, acid is A groove, acid is B groove, some mixing tanks, described ester is birdsed of the same feather flock together carboxylic acid mother liquor's feed pipe, ethers poly carboxylic acid mother liquor pipeline passes through and flows pipeline and flow, described and the other end of runner pipeline is A groove respectively with acid, acid is that B groove opening for feed is separately communicated with, acid is A groove, acid is be communicated with the opening for feed of some mixing tanks respectively after B groove discharge port is separately collaborated by pipeline, the discharge port of described some mixing tanks is communicated with polycarboxylate water-reducer product storage tank respectively by pipeline.
The composite system of described polymorphic type water reducer also comprises inlet channel, and described inlet channel is communicated with the water-in of a mixing tank with some mixing tanks of polycarboxylic acids water reducing agent compositional unit respectively.
Production system of the present utility model, has re-started layout to the production line of dissimilar water reducer, and design becomes a total production system, can produce dissimilar water reducer simultaneously.Design like this can make large number quipments to be shared, and not only greatly reduces the demand of equipment, decreases the floor space of production plant, and is more prone to overall management, is conducive to enhancing productivity.
As preferably, between described fat system A groove and fat system B groove, between naphthalene system A groove and naphthalene system B groove, acid be A groove and acid is be equipped with constant-pressure pipeline between B groove, described constant-pressure pipeline is provided with valve, and fat system A groove or fat system B groove are provided with level monitoring device, naphthalene system A groove or naphthalene system B groove are provided with level monitoring device, and acid is A groove or acid is that B groove is provided with level monitoring device.
The design of constant-pressure pipeline, can make fat system A groove and fat system B groove, naphthalene system A groove and naphthalene system B, acid be A groove with acid to be the hydraulic pressure in B groove identical, so can ensure that the liquid level of two connected grooves is consistent.
As preferably, described aliphatics mother liquor pipeline is provided with electrically operated valve a, and the level monitoring device on described electrically operated valve a and described fat system A groove or fat system B groove passes through connection; And aliphatics mother liquor pipeline is also provided with backup line a, the two ends of described backup line a lay respectively at the upstream and downstream of electrically operated valve a.
Described naphthalene system mother liquor pipeline is provided with electrically operated valve b, and the level monitoring device on this electrically operated valve b and described naphthalene system A groove or naphthalene system B groove passes through connection; And naphthalene system mother liquor pipeline is also provided with backup line b, the two ends of described backup line b lay respectively at the upstream and downstream of electrically operated valve b.
Described polycarboxylic acids water reducing agent compositional unit bag and flow pipeline and be provided with electrically operated valve c, this electrically operated valve c and the described acid level monitoring device that to be A groove or acid be on B groove passes through connection; And and flow on pipeline and be also provided with backup line c, the two ends of described backup line c lay respectively at the upstream and downstream of electrically operated valve c.
When the liquid level in groove is higher than barrier line, level monitoring device can send signal to electrically operated valve, controls electrically operated valve and closes.Valve on backup line is in closing condition at ordinary times, when feed pipe needs maintenance or blocking, can use backup line.So can keep production line normal operation and can not stop work.
As preferably, described polycarboxylic acids water reducing agent compositional unit is provided with two mixing tanks, is respectively No. two mixing tanks and No. three mixing tanks.
As preferably, a described mixing tank, No. two mixing tanks and No. three mixing tanks are equipped with level monitoring device, and the pipeline of a mixing tank, No. two mixing tanks and No. three mixing tanks discharge outlet is separately equipped with filling pump, and a mixing tank, No. two mixing tanks and the pipeline of No. three mixing tanks separately between discharge outlet to respective filling pump are provided with discharge pipe for subsequent use, the other end of described discharge pipe for subsequent use is communicated with the bottom of respective mixing tank.
When blocking occurs discharge pipe or need maintenance, discharge pipe for subsequent use can be used.
As preferably, be provided with connecting pipe between the pipeline of described No. two mixing tank discharge outlet and the pipeline of No. three mixing tank discharge outlet, described connecting pipe is provided with valve.
As preferably, whipping appts is provided with in each mixing tank in the composite system of described polymorphic type water reducer, the stirring-head of described whipping appts is upper and lower built-up type stirring-head, is made up of mixing part, upper strata and lower floor mixing part, and mixing part, described upper strata comprises top turning axle and three top blades; Described lower floor mixing part comprises lower rotating shaft and three bottom blades; Wherein said top turning axle has cavity, and described lower rotating shaft rolls with top turning axle and is connected.
There is the built-up type stirring-head of levels structure, when electric machine control top turning axle rotates, top blade stirs, upper end due to lower rotating shaft is sticked in the cavity of top turning axle, connect for rolling, lower rotating shaft and bottom blade are also driven to rotate, but speed of rotation is slower than the speed of top turning axle.The setting that this upper and lower differential stirs, the material be conducive in mixing tank produces eddy current when being stirred, and is easier to mix.
As preferably, described top blade and bottom blade are fan-shaped, and the radius of top blade is greater than the radius of bottom blade, and top blade and bottom blade are all obliquely installed the side in respective turning axle, and the vergence direction of top blade and bottom blade is contrary.
Design like this, material, under the blade effect of top, is dished out along sense of rotation to inner tank wall and rotational flow, and material is to bottom offset simultaneously.When material sinking, the eddy current direction rotating generation due to lower floor's blade is contrary with top blade, and therefore material is pushed upwardly again.Material is pushed stirring repeatedly, good uniformity, and stirring efficiency is high.
Be compared with the prior art, the beneficial effects of the utility model are: the composite system of water reducer of the present utility model can the water reducer of production number of different types, and not only layout is reasonable, and be convenient to unified management, production efficiency is higher; And decrease the quantity demand of composite devices in system, reduce cost.
Accompanying drawing explanation
Fig. 1 is a kind of schematic layout pattern of the present utility model;
Fig. 2 is a kind of vertical view of upper and lower built-up type stirring-head in the utility model;
Fig. 3 is a kind of vertical view of the lower floor mixing part of upper and lower built-up type stirring-head in the utility model;
Fig. 4 is the top turning axle of upper and lower built-up type stirring-head in the utility model and a kind of structure intention of lower rotating shaft.
Reference numeral is: naphthalene system mother liquor pipeline 1, aliphatics mother liquor pipeline 2, fat system A groove 3, fat system B groove 4, naphthalene system A groove 5, naphthalene system B groove 6, a mixing tank 7, ester is birdsed of the same feather flock together carboxylic acid mother liquor's feed pipe 8, ethers poly carboxylic acid mother liquor pipeline 9, acid is A groove 10, acid is B groove 11, inlet channel 12, constant-pressure pipeline 13, valve 14, level monitoring device 15, electrically operated valve a16, backup line a17, electrically operated valve b18, backup line b19, electrically operated valve c20, backup line c21, No. two mixing tanks 22, No. three mixing tanks 23, filling pump 24, discharge pipe 25 for subsequent use, connecting pipe 26, upper and lower built-up type stirring-head 27, and flow pipeline 28, mixing part, upper strata 271, lower floor mixing part 272, top turning axle 2711, top blade 2712, lower rotating shaft 2721, bottom blade 2722.
Embodiment
Below in conjunction with embodiment, the utility model will be further described.
Embodiment 1
As shown in Figure 1: a kind of composite system of polymorphic type water reducer, the composite unit of compound water reducer and polycarboxylic acids water reducing agent compositional unit is comprised.
The composite unit of described compound water reducer comprises naphthalene system mother liquor pipeline 1, aliphatics mother liquor pipeline 2, fat system A groove 3, fat system B groove 4, naphthalene system A groove 5, naphthalene system B groove 6 and a mixing tank 7; Described aliphatics mother liquor pipeline is communicated with fat system B groove opening for feed separately with fat system A groove respectively, described naphthalene system mother liquor pipeline is communicated with naphthalene system B groove opening for feed separately with naphthalene system A groove respectively, fat system A groove, fat system B groove discharge port are separately by being communicated with the opening for feed of a described mixing tank behind pipeline interflow, and naphthalene system A groove, naphthalene system B groove discharge port are separately also by being communicated with the opening for feed of a mixing tank behind pipeline interflow; The discharge port of a mixing tank is communicated with compound water reducer product storage tank by pipeline.
Described polycarboxylic acids water reducing agent compositional unit comprises ester and to birds of the same feather flock together carboxylic acid mother liquor's feed pipe 8, ethers poly carboxylic acid mother liquor pipeline 9, acid is A groove 10, acid is B groove 11, No. two mixing tanks 22, No. three mixing tanks 23, described ester is birdsed of the same feather flock together carboxylic acid mother liquor's feed pipe, ethers poly carboxylic acid mother liquor pipeline passes through and flows pipeline 28 and flow, described and the other end of runner pipeline is A groove respectively with acid, acid is that B groove opening for feed is separately communicated with, acid is A groove, acid is be communicated with the opening for feed of two mixing tanks respectively after B groove discharge port is separately collaborated by pipeline, the discharge port of described two mixing tanks is communicated with polycarboxylate water-reducer product storage tank respectively by pipeline.A described mixing tank, No. two mixing tanks and No. three mixing tanks are equipped with level monitoring device 15, and the pipeline of a mixing tank, No. two mixing tanks and No. three mixing tanks discharge outlet is separately equipped with filling pump 24, and a mixing tank, No. two mixing tanks and the pipeline of No. three mixing tanks separately between discharge outlet to respective filling pump are provided with discharge pipe 25 for subsequent use, the other end of described discharge pipe for subsequent use is communicated with the bottom of respective mixing tank.
The composite system of described polymorphic type water reducer also comprises inlet channel 12, and described inlet channel is communicated with the water-in of a mixing tank with No. two mixing tanks of polycarboxylic acids water reducing agent compositional unit, No. three mixing tanks respectively.
In the present embodiment, between described fat system A groove and fat system B groove, between naphthalene system A groove and naphthalene system B groove, acid be A groove and acid is be equipped with constant-pressure pipeline 13 between B groove, described constant-pressure pipeline is provided with valve 14, and fat system A groove is provided with level monitoring device 15, naphthalene system B groove is provided with level monitoring device 15, and acid is that B groove is provided with level monitoring device 15.
In the present embodiment, described aliphatics mother liquor pipeline is provided with electrically operated valve a16, and the level monitoring device on described electrically operated valve a and described fat system A groove passes through connection; And aliphatics mother liquor pipeline is also provided with backup line a17, the two ends of described backup line a lay respectively at the upstream and downstream of electrically operated valve a.
Described naphthalene system mother liquor pipeline is provided with electrically operated valve b18, and the level monitoring device on this electrically operated valve b and described naphthalene system B groove passes through connection; And naphthalene system mother liquor pipeline is also provided with backup line b19, the two ends of described backup line b lay respectively at the upstream and downstream of electrically operated valve b.
Described polycarboxylic acids water reducing agent compositional unit bag and flow pipeline and be provided with electrically operated valve c20, this electrically operated valve c and described acid are that the level monitoring device on B groove passes through connection; And and flow on pipeline and be also provided with backup line c21, the two ends of described backup line c lay respectively at the upstream and downstream of electrically operated valve c.
Be provided with connecting pipe 26 between the pipeline of described No. two mixing tank discharge outlet and the pipeline of No. three mixing tank discharge outlet, described connecting pipe is provided with valve 14.
In addition, whipping appts is provided with in each mixing tank in the composite system of described polymorphic type water reducer, as shown in Figure 2, Figure 3, Figure 4, the stirring-head of described whipping appts is upper and lower built-up type stirring-head 27, be made up of mixing part, upper strata 271 and lower floor mixing part 272, mixing part, described upper strata comprises top turning axle 2711 and three top blades 2712; Described lower floor mixing part comprises lower rotating shaft 2721 and three bottom blades 2722.Wherein said top turning axle has cavity, and described lower rotating shaft rolls with top turning axle and is connected.Described top blade and bottom blade are fan-shaped, and the radius of top blade is greater than the radius of bottom blade, and top blade and bottom blade are all obliquely installed the side in respective turning axle, and the vergence direction of top blade and bottom blade is contrary.
When this production system operates, raw material passes into from respective feed pipe respectively, and wherein, aliphatics mother liquor passes in fat system A groove and fat system B groove, then flows into a mixing tank again; Naphthalene system mother liquor passes in naphthalene system A groove and naphthalene system B groove, then flows into a mixing tank again, and in a mixing tank, aliphatics mother liquor and naphthalene system mother liquor are by different disadvantageous mixing, can prepare the water reducer of different model.Last water reducer, from a mixing tank bottom discharge, stores.
It is B groove that ester to birds of the same feather flock together behind carboxylic acid mother liquor and ethers poly carboxylic acid mother liquor interflow that to pass into acid be A groove and acid, then flows into No. two mixing tanks and No. three mixing tanks, stir in mixing tank composite after, discharging stores.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong to the protection domain of technical solutions of the utility model.
Claims (8)
1. a composite system for polymorphic type water reducer, comprises the composite unit of compound water reducer and polycarboxylic acids water reducing agent compositional unit, it is characterized in that:
The composite unit of described compound water reducer comprises naphthalene system mother liquor pipeline (1), aliphatics mother liquor pipeline (2), fat system A groove (3), fat system B groove (4), naphthalene system A groove (5), naphthalene system B groove (6) and a mixing tank (7); Described aliphatics mother liquor pipeline is communicated with fat system B groove opening for feed separately with fat system A groove respectively, described naphthalene system mother liquor pipeline is communicated with naphthalene system B groove opening for feed separately with naphthalene system A groove respectively, fat system A groove, fat system B groove discharge port are separately by being communicated with the opening for feed of a described mixing tank behind pipeline interflow, and naphthalene system A groove, naphthalene system B groove discharge port are separately also by being communicated with the opening for feed of a mixing tank behind pipeline interflow; The discharge port of a mixing tank is communicated with compound water reducer product storage tank by pipeline;
Described polycarboxylic acids water reducing agent compositional unit comprises ester and to birds of the same feather flock together carboxylic acid mother liquor's feed pipe (8), ethers poly carboxylic acid mother liquor pipeline (9), acid is A groove (10), acid is B groove (11), some mixing tanks, described ester is birdsed of the same feather flock together carboxylic acid mother liquor's feed pipe, ethers poly carboxylic acid mother liquor pipeline passes through and flows pipeline (28) and flow, described and the other end of runner pipeline is A groove respectively with acid, acid is that B groove opening for feed is separately communicated with, acid is A groove, acid is be communicated with the opening for feed of some mixing tanks respectively after B groove discharge port is separately collaborated by pipeline, the discharge port of described some mixing tanks is communicated with polycarboxylate water-reducer product storage tank respectively by pipeline,
The composite system of described polymorphic type water reducer also comprises inlet channel (12), and described inlet channel is communicated with the water-in of a mixing tank with some mixing tanks of polycarboxylic acids water reducing agent compositional unit respectively.
2. the composite system of polymorphic type water reducer as claimed in claim 1, it is characterized in that, between described fat system A groove and fat system B groove, between naphthalene system A groove and naphthalene system B groove, acid be A groove and acid is be equipped with constant-pressure pipeline (13) between B groove, described constant-pressure pipeline is provided with valve (14), and fat system A groove or fat system B groove are provided with level monitoring device (15), naphthalene system A groove or naphthalene system B groove are provided with level monitoring device (15), and acid is A groove or acid is that B groove is provided with level monitoring device (15).
3. the composite system of polymorphic type water reducer as claimed in claim 2, it is characterized in that, described aliphatics mother liquor pipeline is provided with electrically operated valve a(16), the level monitoring device on described electrically operated valve a and described fat system A groove or fat system B groove passes through connection; And aliphatics mother liquor pipeline is also provided with backup line a(17), the two ends of described backup line a lay respectively at the upstream and downstream of electrically operated valve a;
Described naphthalene system mother liquor pipeline is provided with electrically operated valve b(18), the level monitoring device on this electrically operated valve b and described naphthalene system A groove or naphthalene system B groove passes through connection; And naphthalene system mother liquor pipeline is also provided with backup line b(19), the two ends of described backup line b lay respectively at the upstream and downstream of electrically operated valve b;
Described polycarboxylic acids water reducing agent compositional unit bag and flow pipeline and be provided with electrically operated valve c(20), this electrically operated valve c and the described acid level monitoring device that to be A groove or acid be on B groove passes through connection; And and flow on pipeline be also provided with backup line c(21), the two ends of described backup line c lay respectively at the upstream and downstream of electrically operated valve c.
4. the composite system of polymorphic type water reducer as claimed in claim 1, it is characterized in that, described polycarboxylic acids water reducing agent compositional unit is provided with two mixing tanks, is respectively No. two mixing tanks (22) and No. three mixing tanks (23).
5. the composite system of polymorphic type water reducer as claimed in claim 4, it is characterized in that, a described mixing tank, No. two mixing tanks and No. three mixing tanks are equipped with level monitoring device (15), and the pipeline of a mixing tank, No. two mixing tanks and No. three mixing tanks discharge outlet is separately equipped with filling pump (24), and a mixing tank, No. two mixing tanks and the pipeline of No. three mixing tanks separately between discharge outlet to respective filling pump are provided with discharge pipe for subsequent use (25), the other end of described discharge pipe for subsequent use is communicated with the bottom of respective mixing tank.
6. the composite system of polymorphic type water reducer as claimed in claim 4, it is characterized in that, be provided with connecting pipe (26) between the pipeline of described No. two mixing tank discharge outlet and the pipeline of No. three mixing tank discharge outlet, described connecting pipe is provided with valve (14).
7. the composite system of polymorphic type water reducer as claimed in claim 1, it is characterized in that, whipping appts is provided with in each mixing tank in the composite system of described polymorphic type water reducer, the stirring-head of described whipping appts is upper and lower built-up type stirring-head (27), be made up of mixing part, upper strata (271) and lower floor mixing part (272), mixing part, described upper strata comprises top turning axle (2711) and three top blades (2712); Described lower floor mixing part comprises lower rotating shaft (2721) and three bottom blades (2722); Wherein said top turning axle has cavity, and described lower rotating shaft rolls with top turning axle and is connected.
8. the composite system of polymorphic type water reducer as claimed in claim 7, it is characterized in that, described top blade and bottom blade are fan-shaped, the radius of top blade is greater than the radius of bottom blade, top blade and bottom blade are all obliquely installed the side in respective turning axle, and the vergence direction of top blade and bottom blade is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560554.7U CN204874310U (en) | 2015-07-29 | 2015-07-29 | Composite system of polymorphic type water -reducing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560554.7U CN204874310U (en) | 2015-07-29 | 2015-07-29 | Composite system of polymorphic type water -reducing agent |
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| CN204874310U true CN204874310U (en) | 2015-12-16 |
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| CN201520560554.7U Expired - Fee Related CN204874310U (en) | 2015-07-29 | 2015-07-29 | Composite system of polymorphic type water -reducing agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288973A (en) * | 2021-12-31 | 2022-04-08 | 重庆助扬建材有限公司 | Compounding process of polycarboxylic acid water reducing agent and amino water reducing agent |
-
2015
- 2015-07-29 CN CN201520560554.7U patent/CN204874310U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288973A (en) * | 2021-12-31 | 2022-04-08 | 重庆助扬建材有限公司 | Compounding process of polycarboxylic acid water reducing agent and amino water reducing agent |
| CN114288973B (en) * | 2021-12-31 | 2024-01-16 | 重庆助扬建材有限公司 | Polycarboxylic acid water reducer and amino water reducer compounding process |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 324000 Zhejiang Quzhou Dingsheng building materials Co., Ltd., 9 St. Yue Avenue, Qujiang District, Quzhou, Zhejiang Patentee after: ZHEJIANG PROVINCE QUZHOU CITY DINGSHENG BUILDING MATERIAL CO., LTD. Address before: 324000 9 San Yue Avenue, twenty lane town, Qujiang District, Quzhou, Zhejiang Patentee before: ZHEJIANG PROVINCE QUZHOU CITY DINGSHENG BUILDING MATERIAL CO., LTD. |
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| 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: 20151216 Termination date: 20200729 |