CN202762349U - Horizontal stirrer of cable low thermal resistance protecting filling medium - Google Patents
Horizontal stirrer of cable low thermal resistance protecting filling medium Download PDFInfo
- Publication number
- CN202762349U CN202762349U CN 201220498272 CN201220498272U CN202762349U CN 202762349 U CN202762349 U CN 202762349U CN 201220498272 CN201220498272 CN 201220498272 CN 201220498272 U CN201220498272 U CN 201220498272U CN 202762349 U CN202762349 U CN 202762349U
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- ribbon
- stirring
- main shaft
- cylindrical shell
- heat resistance
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- 238000003756 stirring Methods 0.000 claims abstract description 181
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims description 65
- 230000011218 segmentation Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000001704 evaporation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000003915 air pollution Methods 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
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- 238000000034 method Methods 0.000 description 4
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- 230000008020 evaporation Effects 0.000 description 3
- 239000003570 air Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
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- 239000012080 ambient air Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
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- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
A horizontal stirrer of a cable low thermal resistance protecting filling medium comprises a motor, a coupling, a main shaft, a stirring barrel body and a stirring device, wherein the stirring barrel body is a horizontal cylindrical stirring barrel body, the motor is connected to the main shaft through the coupling, the main shaft penetrates to the wall at two ends of the stirring barrel body and is arranged in the stirring barrel body transversely, the stirring device is distributed on the main shaft, the stirring barrel body is sealed, the upper portion of the stirring barrel body is provided with a feeding port which can be opened or closed, and the lower portion of the stirring barrel body is provided with a discharging port which can be opened or closed. The feeding port and the discharging port which can be opened or closed are arranged on the stirring barrel body, the sealing structure of the stirring barrel body during the working state is achieved, materials or water is prevented from splashing or evaporating out of the device, materials and the water cannot be lost, the error of product ingredients and components is avoided, the quality of products cannot be affected and the air pollution in the production space is eliminated.
Description
Technical field
The utility model relates to a kind of agitating device, particularly relates to a kind of cable low heat resistance protection medium horizontal type mixer.
Background technology
Agitating device is used for fully mixing multiple mixture.Cable low heat resistance protection medium is the characteristics of a kind of high-moisture percentage, high stability, low thermal resistance, and environmental protection also can effectively prevent the cable filling medium of termite damage.
A few days ago, a kind of cable low heat resistance protection medium and preparation method thereof is arranged, the production of this cable low heat resistance protection medium adds the water uniform stirring by plurality of raw materials and mixes and make, strict for material mixture ratio.General mixing plant has: the vertical type mixing plant, mainly for mixing of graininess, pasty state, liquid; Horizontal stirring equipment is for granular material, plant material, mixed material; Rolling type equipment is mainly for medicament, the mixing that adds the special materials such as heat request is arranged.Basically all can't reach the requirement of producing cable low heat resistance protection medium by the above several traditional mixing plants of test comparison.And general mixing plant adopts a feed inlet and outlet, and after charging was stirred, mixed mixture was poured out in upset, the splashing of mixture when preventing from stirring, and the agitator that has is provided with baffle plate at opening part.
Yet, preparation for this cable low heat resistance protection medium, there is larger defective in traditional agitating device, affected the quality of product: although the open type agitator is provided with baffle plate, just avoided mixture to splash to the distant place in form, moisture evaporation and loss of material in the inevitable whipping process affect the moisture content of cable low heat resistance protection medium and the saturation effect of reality; Simultaneously because the material moisture disperse in producing in air, has caused pollution to air.
The utility model content
Goal of the invention of the present utility model is for moisture evaporation and loss of material problem, and a kind of horizontal type mixer that prevents the cable low heat resistance protection medium of moisture evaporation and loss of material is provided.
For realizing the utility model purpose, provide following technical scheme:
A kind of cable low heat resistance protection medium horizontal type mixer comprises motor, shaft coupling, main shaft, stirring cylindrical shell and agitating device; Described stirring cylindrical shell is that the horizontal type tubular stirs cylindrical shell; Described motor links to each other with main shaft by shaft coupling, the end walls that described main shaft passes described stirring cylindrical shell is horizontally placed in the stirring cylindrical shell, described agitating device is distributed on the described main shaft, described stirring cylindrical shell is that closed stirs cylindrical shell, but the top of described stirring cylindrical shell offers the charging aperture of folding, but the below of described stirring cylindrical shell is provided with the discharging opening of folding.Carry out enclosed construction owing to stir cylindrical shell, avoided material and moisture loss, simultaneously, also reduced stirring cylindrical shell ambient air and polluted.
Therein among embodiment, described agitating device comprises mixing arm and stirs ribbon, and described mixing arm is fixed on the described main shaft, and described stirring ribbon is fixed on the described mixing arm, and the barrel of described stirring ribbon and described stirring cylindrical shell is seamless applying.The combination that agitating device adopts mixing arm and stirs ribbon, because mixing arm and the Double stirring effect of stirring ribbon, mixing effect is better, and is seamless applying with the barrel that stirs cylindrical shell, so that material must not be deposited on barrel, stirs more even.
Among embodiment, described mixing arm divides two sections linearly to be connected in the main shaft both sides, between the described mixing arm interval is arranged, and there is the anglec of rotation in the two adjacent groups mixing arm therein.The in twos setting of conllinear and interval and the anglec of rotation makes things convenient for the installation of mixing arm and cooperates the layout that stirs ribbon, makes the layout of mixing arm and stirring ribbon even, and stressed more even, mixing effect is better.
Among embodiment, described stirring ribbon is the segmentation ribbon therein, and described stirring ribbon is fixed on the plural described mixing arm.Stir ribbon and be fixed on the plural mixing arm, by the guarantee of the strong point, guarantee to stir rigidity and the stirring dynamics of ribbon.Described stirring ribbon preferably is fixed on three described mixing arms, and mixing arm is less than three, causes rigidity inadequate owing to the length part that stirs ribbon is built on stilts easily, easily fracture; Mixing arm is too much, determines owing to stir the shape of ribbon, and high for the installation accuracy requirement of mixing arm, alignment error is large, can cause stirring when ribbon is just installed just receiving distortional stress, be unfavorable for producing, and guarantees equipment life.
Therein among embodiment, described stirring ribbon comprises outer ribbon and the internal layer stirring ribbon of stirring, described inside and outside layer stirs ribbon and is connected on the mixing arm, it is all coaxial with main shaft that described outer stirring ribbon and internal layer stir ribbon, described internal layer stirs the radius of spin of ribbon less than the described outer radius of spin that stirs ribbon, with the described outer in twos opposing setting of ribbon of stirring.The outer ribbon that stirs adds internal layer stirring ribbon, and internal layer stirs ribbon the material flow that skin stirs the ribbon middle part is given further mix and blend, prevents from causing greatly the materials inside stirring inhomogeneous because stirring the ribbon radial dimension.
Therein among embodiment, described outer ribbon and the internal layer of stirring stirs ribbon and distributes with the continuous staggered pattern of segmentation respectively.Segmentation is staggered continuously, form the ribbons that stir more and stir track cross, after material flow stirs the ribbon disengaging from one section continuously in whipping process simultaneously, meet with impact and stirring that another stirs ribbon, the same place material flow is rapidly through repeatedly impacting and stirring, with carry out mass exchange on every side, better effects if stirs.
Among embodiment, the zone face of described stirring ribbon becomes 31 degree angles with main shaft therein, and the thickness of described stirring ribbon is more than or equal to 1.2 centimetres, and described main shaft diameter is more than or equal to 10 centimetres.The zone face that stirs ribbon and main shaft angle are 31 to spend and can optimally avoid the resistance that produces greatly because of angle in the whipping process large, cause rotating shaft or blade to fracture, even burn motor; Or the little and narrow limits of material turning of angle, do not reach the effect of uniform stirring.Agitating device with the stirring rotator of this exclusive helical-ribbon type blade stirring can be in setting time, and material fully is stirred, and evenly, fully mix, produces qualified products, avoids long because of mixing time, causes material to solidify.Cooperate to stir the thickness of ribbon and the setting of main shaft diameter, guarantee to stir the rigidity of ribbon, satisfy the requirement of strength and speed in the whipping process.
Among embodiment, described charging aperture is the fast disassembly type charging aperture therein.Stop and be convenient to repair demolition when foreign matter enters when adding material.
Among embodiment, described discharging opening is provided with butterfly valve therein.The material that makes things convenient for folding to draw off to stir.Described discharging opening and butterfly valve are of a size of 80 millimeter, and convenient construction and cleaning, oversize meeting cause that skirt is overweight, construction is mobile inconvenient, personnel's physical load large, easy silting, and too small meeting is made self and do not flowed, cannot discharging, cleaning is difficult.
Among embodiment, be equipped with seal receptacle at the body wall that stirs cylindrical shell by the interior outside at the described main shaft place of passing therein, described seal receptacle is close to inboard or the outside of described stirring cylindrical shell, and described main shaft passes seal receptacle.The sealing junction is so that it is better to stir the sealing effectiveness of cylindrical shell.
The contrast prior art the utlity model has following advantage:
But the utility model is by stirring charging aperture and the discharging opening of cylindrical shell setting folding, realize stirring in the duty enclosed construction of cylindrical shell, so that material and moisture can not splash or evaporate outside the device, material and moisture loss occur in preventing from stirring, and then cause product composition and consist of the generation error, thereby the situation of the product quality that makes a difference.Simultaneously, the elimination that also obtained of the air pollution in production space.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is schematic side view of the present utility model;
The 100-frame, 102-motor, 104-gearbox, the 106-shaft coupling, the 108-main shaft, 110-stirs cylindrical shell, the 1102-charging aperture, 1104-discharging opening, 11042-butterfly valve, the 112-agitating device, 1122-mixing arm, 11222-mixing arm one, 11224-mixing arm two, 11226-mixing arm three, 11228-mixing arm four, 1124-stirs ribbon, the outer ribbon that stirs of 11240-, and the 11241-internal layer stirs ribbon, 11242-stirs ribbon one, 11244-stirs ribbon two, and 11246-stirs ribbon three, and 11248-stirs ribbon four, the 114-bearing, the 116-bearing block, 118-seal receptacle, 120-castor.
The specific embodiment
Further specify below in conjunction with the horizontal type mixer of accompanying drawing to cable low heat resistance protection medium.
Such as Fig. 1, Figure 2 shows that the horizontal type mixer of cable low heat resistance protection medium, mainly comprise frame 110, motor 102, shaft coupling 106, main shaft 108, stir cylindrical shell 110 and agitating device 112.
Stir cylindrical shell 110 and be installed on the frame 100, stirring cylindrical shell 110 is that stainless steel type horizontal type tubular stirs cylindrical shell 110, cleans easily, and maintenance operation is simple.Stir cylindrical shell 110 barrel thickness more than or equal to 5 millimeters, to satisfy the load-bearing requirement, save material.
Described stirring cylindrical shell 110 stirs cylindrical shell for closed, but the top of stirring cylindrical shell 110 offers the charging aperture 1102 of folding, and charging aperture 1102 is the fast disassembly type charging aperture, but the below of stirring cylindrical shell 110 is provided with the discharging opening 1104 of folding.
Discharging opening 1104 is provided with butterfly valve 11042, and the size of discharging opening 1104 and butterfly valve 11042 is excellent to be 80 millimeter, and present embodiment is chosen 80 millimeters.
Agitating device 112 is distributed on the described main shaft 108.Described agitating device 112 comprises mixing arm 1122 and stirs ribbon 1124.Two sections of mixing arms 1122 minutes linearly are connected in main shaft 108 both sides, and institute is in line best vertical with main shaft 108 axis, and the interval is arranged between per two groups of described mixing arms 1122, and there is the anglec of rotation in two adjacent groups mixing arm 1122, and present embodiment is got 90-degree rotation.
It is seamless applying with the barrel of described stirring cylindrical shell 110 to stir ribbon 1124, stirring ribbon 1124 is the segmentation ribbon, described stirring ribbon 112 is fixed on the plural described mixing arm 1122, stirring ribbon 1124 preferably is fixed on three described mixing arms 1122, present embodiment is chosen every section and is stirred ribbon 1124, is fixed on three mixing arms 1122.Stirring the zone face of ribbon 1124 and the angle optimum of main shaft 108 is 31 degree, and present embodiment is chosen 31 degree.Stir ribbon 1124 and comprise outer ribbon 11240 and the internal layer stirring ribbon 11241 of stirring, it is all coaxial with main shaft 108 that described outer stirring ribbon 11240 and internal layer stir ribbon 11241, described internal layer stirs ribbon 11241 and is fixed in described mixing arm 1122 and the inboard of stirring the ribbon fixing point, with the described outer in twos opposing setting of ribbon 11240 of stirring.Stir the thickness of ribbon 1124 more than or equal to 1.2 centimetres, present embodiment is got 1.2 centimetres, when guaranteeing rigidity, saves material.
The horizontal type mixer of cable low heat resistance protection medium as shown in Figure 1; mixing arm 1122 comprises mixing arm 1; mixing arm 2 11224; mixing arm 3 11226 and mixing arm 4 11228; stir ribbon 1124 and comprise stirring ribbon 1; stir ribbon 2 11244; stir ribbon 3 11246 and stir ribbon 4 11248; wherein stir ribbon 1 and stir ribbon 3 11246 and belong to internal layer stirring ribbon 11241; stir ribbon 2 11244 and stir ribbon 4 11248 and belong to outer 11240, one internal layers of ribbon that stir and stir ribbons 11241 and be one group with an outer stirring ribbon 11240 and be opposing setting.
Stir ribbon 1 and stir ribbon 2 11244 and be fixed on mixing arm 1, mixing arm 2 11224 and the mixing arm 3 11226, opposing setting, stir ribbon 3 11246 and stir ribbon 4 11248 and be fixed on opposing setting on mixing arm 2 11224, mixing arm 3 11226 and the mixing arm 4 11228, so, distance between the mixing arm 1122 is for stirring 1/4th of ribbon 1124 pitch, except the mixing arm 1122 at two ends, other mixing arms 1122 all connect four and stir ribbon 1124, form and stir being staggered continuously of ribbon.
During work, close the butterfly valve 11042 at discharging opening 1104 places, from charging aperture 1102 injecting materials and water, close charging aperture 1102, starter motor 100 rotates, and after slowing down by gearbox 104, connects main shaft 108 by shaft coupling 106 and drives main shaft 108 rotations, drive 1124 rotations of stirring ribbon by the mixing arm 1122 that is connected on the main shaft 108, can be to material and water generates thrust when stirring ribbon 1124 and mixing arm and rotating, so that material movement mixes, after work a period of time, mixing of materials is even, disable motor 100, open charging aperture 1102 after, open the butterfly valve 11042 at discharging opening 1104 places, the material that mixes is drawn off, finish stirring work.
In the course of work, stirring space is in closed state, without material and moisture loss.Guarantee the proportioning of material and water, be conducive to production assurance.
Carry out unclassified stores such as need and stir, add entry in the cylindrical shell 110 and stir to stirring, carry out rapidly the cleaning of stirring cylindrical shell and inner facility, convenient for cleaning.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a cable low heat resistance protection medium horizontal type mixer comprises motor, shaft coupling, main shaft, stirring cylindrical shell and agitating device; Described stirring cylindrical shell is that the horizontal type tubular stirs cylindrical shell; Described motor links to each other with main shaft by shaft coupling, the end walls that described main shaft passes described stirring cylindrical shell is horizontally placed in the stirring cylindrical shell, described agitating device is distributed on the described main shaft, it is characterized in that, described stirring cylindrical shell is that closed stirs cylindrical shell, but the top of described stirring cylindrical shell offers the charging aperture of folding, but the below of described stirring cylindrical shell is provided with the discharging opening of folding.
2. cable low heat resistance protection medium horizontal type mixer according to claim 1; it is characterized in that; described agitating device comprises mixing arm and stirs ribbon; described mixing arm is fixed on the described main shaft; described stirring ribbon is fixed on the described mixing arm, and the barrel of described stirring ribbon and described stirring cylindrical shell is seamless applying.
3. cable low heat resistance protection medium horizontal type mixer according to claim 2 is characterized in that, described mixing arm divides two sections linearly to be connected in the main shaft both sides, between the described mixing arm interval is arranged, and there is the anglec of rotation in the two adjacent groups mixing arm.
4. cable low heat resistance protection medium horizontal type mixer according to claim 3 is characterized in that, described stirring ribbon is the segmentation ribbon, and described stirring ribbon is fixed on the plural described mixing arm.
5. cable low heat resistance protection medium horizontal type mixer according to claim 4; it is characterized in that; described stirring ribbon comprises outer ribbon and the internal layer stirring ribbon of stirring; described inside and outside layer stirs ribbon and is connected on the mixing arm; it is all coaxial with main shaft that described outer stirring ribbon and internal layer stir ribbon; described internal layer stirs the radius of spin of ribbon less than the described outer radius of spin that stirs ribbon, with the described outer in twos opposing setting of ribbon of stirring.
6. cable low heat resistance protection medium horizontal type mixer according to claim 5 is characterized in that, described outer stirring ribbon and internal layer stir ribbon and distribute with the continuous staggered pattern of segmentation respectively.
7. cable low heat resistance protection medium horizontal type mixer according to claim 5 is characterized in that, the zone face of described stirring ribbon becomes 31 degree angles with main shaft, and the thickness of described stirring ribbon is 1.2, and described main shaft diameter is in 10 centimetres.
8. each described cable low heat resistance protection medium horizontal type mixer is characterized in that described charging aperture is the fast disassembly type charging aperture according to claim 1-7.
9. each described cable low heat resistance protection medium horizontal type mixer is characterized in that described discharging opening is provided with butterfly valve according to claim 1-7.
10. each described cable low heat resistance protection medium horizontal type mixer according to claim 1-7; it is characterized in that; be equipped with seal receptacle in the end walls that stirs cylindrical shell by the interior outside at the described main shaft place of passing; described seal receptacle is close to inboard or the outside of described stirring cylindrical shell, and described main shaft passes seal receptacle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220498272 CN202762349U (en) | 2012-09-27 | 2012-09-27 | Horizontal stirrer of cable low thermal resistance protecting filling medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220498272 CN202762349U (en) | 2012-09-27 | 2012-09-27 | Horizontal stirrer of cable low thermal resistance protecting filling medium |
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| Publication Number | Publication Date |
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| CN202762349U true CN202762349U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220498272 Expired - Lifetime CN202762349U (en) | 2012-09-27 | 2012-09-27 | Horizontal stirrer of cable low thermal resistance protecting filling medium |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935338A (en) * | 2012-09-27 | 2013-02-20 | 广东电网公司佛山供电局 | Laterally-horizontal stirrer for electric cable low thermal resistance protection filling medium |
| CN103172422A (en) * | 2013-05-08 | 2013-06-26 | 江苏大学 | Horizontal reciprocated type agitating equipment of straw powder dust wastes |
| CN103366851A (en) * | 2013-07-15 | 2013-10-23 | 中广核工程有限公司 | Cement solidification method of radioactive wet waste |
| CN104492362A (en) * | 2014-12-18 | 2015-04-08 | 广西大学 | Supergravity reactor for intensifying modification of polysaccharide high polymer |
| CN105396484A (en) * | 2015-12-27 | 2016-03-16 | 哈尔滨恒誉名翔科技有限公司 | Groove type mixer |
-
2012
- 2012-09-27 CN CN 201220498272 patent/CN202762349U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935338A (en) * | 2012-09-27 | 2013-02-20 | 广东电网公司佛山供电局 | Laterally-horizontal stirrer for electric cable low thermal resistance protection filling medium |
| CN103172422A (en) * | 2013-05-08 | 2013-06-26 | 江苏大学 | Horizontal reciprocated type agitating equipment of straw powder dust wastes |
| CN103366851A (en) * | 2013-07-15 | 2013-10-23 | 中广核工程有限公司 | Cement solidification method of radioactive wet waste |
| CN104492362A (en) * | 2014-12-18 | 2015-04-08 | 广西大学 | Supergravity reactor for intensifying modification of polysaccharide high polymer |
| CN104492362B (en) * | 2014-12-18 | 2017-01-25 | 广西大学 | Supergravity reactor for intensifying modification of polysaccharide high polymer |
| CN105396484A (en) * | 2015-12-27 | 2016-03-16 | 哈尔滨恒誉名翔科技有限公司 | Groove type mixer |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528000 Fenjiang South Road, Chancheng District, Guangdong, No. 1, No. Patentee after: FOSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Co.,Ltd. Patentee after: GUANGDONG WEIHENG ELECTRIC POWER TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 528000 Fenjiang South Road, Chancheng District, Guangdong, No. 1, No. Patentee before: FOSHAN POWER SUPPLY BUREAU, GUANGDONG POWER GRID Corp. Patentee before: GUANGDONG WEIHENG ELECTRIC POWER TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20160617 Address after: 528000 Fenjiang South Road, Chancheng District, Guangdong, No. 1, No. Patentee after: FOSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Co.,Ltd. Address before: 528000 Fenjiang South Road, Chancheng District, Guangdong, No. 1, No. Patentee before: FOSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Co.,Ltd. Patentee before: GUANGDONG WEIHENG ELECTRIC POWER TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |