CN207553279U - Pipe-dredging dredging flexible axle fixation roller - Google Patents
Pipe-dredging dredging flexible axle fixation roller Download PDFInfo
- Publication number
- CN207553279U CN207553279U CN201721620798.5U CN201721620798U CN207553279U CN 207553279 U CN207553279 U CN 207553279U CN 201721620798 U CN201721620798 U CN 201721620798U CN 207553279 U CN207553279 U CN 207553279U
- Authority
- CN
- China
- Prior art keywords
- flexible axle
- dredging
- outer layer
- pipe
- fixation roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003860 storage Methods 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000009826 distribution Methods 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 244000144985 peep Species 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The utility model discloses a kind of pipe-dredging dredging flexible axle fixation rollers, it is desirable to provide a kind of fixation roller that flexible axle fast and stable is enable to pass in and out.Outer layer storage cylinder and inner layer sleeve including concentric installation；The both ends of outer layer storage cylinder are respectively equipped with flange, and outer layer support plate is externally connected with roller power source, the other end empty set installation clamp spring device of outer layer storage cylinder, and clamp spring device is connected with clamping power source；Outer layer, which is stored, forms flexible axle storage cavity between cylinder and inner layer sleeve, so that flexible axle is able to the from coil to coil in cavity and is wound in cavity, the port of export of sleeve and flexible axle respectively connects independent power source, in the same direction or reversed differential rotation, the degree of freedom of flexible axle is limited simultaneously, and flexible axle realizes efficient disengaging under effective guiding.
Description
Technical field
The utility model is related to pipe-dredging dirt cleaner field, more particularly to a kind of pipe-dredging dredging flexible axle, which is fixed, to be used
Roller.
Background technology
With the rapid development of social economy, more and more people step into fairly comfortable life, and urbanization in addition moves forward steadily,
More and more rural areas become cities and towns, and urban population increases severely, and the thing followed is the substantial increase of sanitary sewage, many times because
Not smooth for sewer from blocking or lower water, sewage overflow influences the appearance of the city, and serious influence is brought to people’s lives and work.It is right
The generation pipe dredging technology answered, is more common in municipal maintained equipment, and main operational principle is to utilize to encircle into rotation in pipeline
The hawser turned is to realize the stirring to space in pipeline, and so as to exclude to block, dredging pipeline further, pipe is exited in hawser
During road, the tampers such as mud are taken out of, realize the dredging of pipeline.
In traditional technology, duct cleaning equipment can only solve the problems, such as that sludgd deposition blocks in pipeline mostly, it is impossible to effectively
Solve the problems, such as large size software rubbish block, such as：The not perishable rubbish for being not easy to degrade such as woolen knitwear clothing, woven bag,
For traditional technology, applicant successively makes multiple improvement, such as in publication, Patent No. CN201310422518.X,
The utility model patent of entitled pipe-dredging obstacles removing car discloses a kind of silt remover with rotary-cut effect, to realize that mud hinders
The fragmentation hindered solves the problems, such as that software rubbish blocks pipeline, but is constrained to flexible axle and sliding rail size, dredging pipe well
Track pitch is from being limited, and after removing obstacles, dredging cable faces the problem of nowhere placing.
The desilting equipment of pipeline mainly includes cable storage device, the rotating power source for driving cable rotation and drives cable
The folding and unfolding power source of folding and unfolding, shortcoming are：Desilting efficiency data is low, and there are hysteresis qualitys for control section in the course of work.
Invention content
The utility model proposes a kind of pipe-dredging dredging flexible axle fixation rollers, solve pipeline in the prior art and dredge
The problem of access device efficiency is low during logical dredging flexible axle fixation roller use, required energy consumption is big, further improves dredging
The working efficiency of equipment entirety.
In order to solve the above-mentioned technical problem, the utility model provides following technical solution：
The utility model is related to a kind of pipe-dredging dredging flexible axle fixation roller, the outer layer storage including concentric installation
Cylinder and inner layer sleeve；The both ends of the outer layer storage cylinder are respectively equipped with blind flange, wherein, the outer surface of right end blind flange is pacified successively
Equipped with right end concentric shafts and the roller power source that right end concentric shafts is driven to rotate, the middle part of left end blind flange is equipped with and sky in roller
The hollow shaft of chamber connection, clamp spring device, loaded on the hollow shaft, limit flexible axle degree of freedom on vertical plane via bearing holder (housing, cover)
Clamp spring device connection clamp power source；Flexible axle storage cavity is formed between the outer layer storage cylinder and the inner layer sleeve so that institute
It states flexible axle and is able to the from coil to coil in cavity and be wound in outer layer storage cylinder until clamp spring device described in drawing-in extends outwardly；The right side
End concentric shafts and hollow shaft, which are mounted on via bearing on supporting rack, to be able in roller supported on both sides.
As a kind of embodiment, the flexible axle is made of spring, between mean diameter of coil 30mm to the 50mm, pitch
Between 15mm to 25mm, formed between clamp spring device and the spring using spring as leading screw, using clamp spring device as the threaded connection of nut.
As a kind of embodiment, the tapered limiting plate group of thickness is also equipped on outer layer storage cylinder inner wall.Institute
It states limiting plate group and includes several strip limiting plates along outer layer storage cylinder inner wall even distribution distribution.
As a kind of embodiment, the guide cylinder made of nylon, the guiding are installed in the front end of the inner layer sleeve
Cylinder one end is corresponding with the size of the inner layer sleeve, and other end barrel dliameter, which is tapered to, to be integrally conical, the inclined-plane of the taper
Inclination angle is between 30 ° to 55 °.The guide cylinder is installed on the inner layer sleeve.
As a kind of embodiment, the roller power source and the clamping power source include hydraulic motor, the hydraulic pressure
Motor circuit connects PLC control system.
As a kind of embodiment, dredging hole and peep hole are equipped on outer layer storage cylinder.
The utility model further relates to a kind of fixing means of pipe-dredging dredging flexible axle, and flexible axle tube body is by elastic construction system
Into the head end with springy flexible axle is set in clamp spring device, and end is fixedly installed in bottom in roller, the clamp spring device and rolling
Cylinder connects independent power source respectively, and flexible axle from coil to coil under natural resiliency power drive is coiled in inner layer sleeve and outer layer roller
In the space formed, the steering between power source is controlled to control the folding and unfolding of the flexible axle, controls the rotating speed of roller and clamp spring device
Difference is equipped with the limit for converting elastic force in take-up and it being guided to position to control the folding and unfolding speed of flexible axle in the outer layer storage cylinder
Position plate group.
The advantageous effect that the utility model is reached is：
The both sides of flexible axle respectively connect independent power source, and differential rotates during work, the disengaging of flexible axle is driven, using inside and outside
Coaxial double tube design, to the reserved enough spaces of storage of spring；
The inner cylinder of spring wrap relevant apparatus is wound in interior in the shape of a spiral equipped with guide part convenient for spring in the utility model
On the inner wall of portion's cavity, under the promotion of chuck power, flexible axle realized in the case where external power supply effectively guides efficiently into
Going out, while prevent entanglement from arranging, during normal work, the flexible axle stored in cylinder is pulled out by the chuck rotation of storage front end,
It stores under cylinder rotation, gives rotating soft axle power transmission, the power of rotation is transmitted to preceding cutting tip by the flexible axle of rotation, with regard to shape
Into the tool function of rotation, carry out penetrating cutting to rubbish on one side, utilize its spiral helicine tool driving flexible axle on one side
Advance work, in the utility model, flexible axle is flexible axle made of spring shaft；
It is provided with protrusion on the outer tube inner wall of the spring wrap device of the utility model, protrusion is equipped with iron plate, both can be with
Greatly reduce the frictional force between spring and outer barrel, it can also be ensured that spring is more regular in the shape of a spiral to be wrapped in cavity；It is convex
The material risen is rubber, both plays the role of buffering, also helps reduction noise, on the one hand the design of limiting plate is realized and drawn
On the other hand the function of leading reduces the frictional force between flexible axle and outer barrel, reduce the abrasion in equipment running process, extend
The service life of relevant device；
Sediment trap, observation panel and installing port are provided on the outer barrel of the utility model convenient for removing contamination, observing, installing and inspection
It repaiies.The design of inner cylinder increases guide portion, is equivalent to inside and outside fixed cylinder and increases transition director element, further improves
The guidance capability of laying of the equipment for flexible axle in equipment, using the present apparatus can make spring it is more regular be wound in inside
In cavity, moreover it is possible to be significantly reduced frictional force, extend the service life of equipment, improve the coefficient of automation of equipment.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：
Fig. 1 is the stereogram of the utility model structure；
Fig. 2 is that the utility model removes the main view direction of structure after support plate and cuts open figure；
Fig. 3 is that the utility model removes the main view direction of use state structure after support plate and cuts open figure；
Fig. 4 is the A faces sectional view in Fig. 3；
Fig. 5 is the A faces sectional view of another embodiment of the utility model；
In figure：1st, clamp spring device；2nd, flexible axle disengaging through-hole；3rd, flexible axle；4th, outer layer storage cylinder；5th, limiting plate group；6th, connection branch
The bearings of fagging；7th, inner layer sleeve；8th, guide cylinder.
Specific embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
Embodiment is selected to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figs 1-4, the utility model provides a kind of pipe-dredging dredging flexible axle fixation roller, including coaxially feeling at ease
The outer layer storage cylinder 4 and inner layer sleeve 7 of dress；The both ends of outer layer storage cylinder 4 are respectively equipped with blind flange, wherein, right end blind flange
Outer surface is sequentially installed with right end concentric shafts and drives the roller power source of right end concentric shafts rotation, is set in the middle part of left end blind flange
Have a hollow shaft connected with roller internal cavity, clamp spring device 1 via bearing holder (housing, cover) loaded on hollow shaft, limit flexible axle on vertical plane from
Clamping power source is connected by the clamp spring device 1 spent；Outer layer, which is stored, forms flexible axle storage cavity between cylinder 4 and inner layer sleeve 7 so that flexible axle
The from coil to coil in cavity is able to be wound in outer layer storage cylinder 4 until drawing-in clamp spring device 1 extends outwardly；Right end concentric shafts and hollow shaft
It is mounted on supporting rack and is able in roller supported on both sides via bearing.
Flexible axle is made of spring, between mean diameter of coil 30mm to 50mm, between pitch 15mm to 25mm.Clamp spring device and spring
Between formed using spring as leading screw, using clamp spring device as the threaded connection of nut.
The tapered limiting plate group 5 of thickness is also equipped on outer layer storage cylinder inner wall.Limiting plate group 5 includes 10 along outer layer
Store the strip limiting plate of cylinder inner wall even distribution distribution.
Guide cylinder 8 made of nylon, 8 one end of guide cylinder and the size of inner layer sleeve 7 are installed in the front end of inner layer sleeve 7
Corresponding, other end barrel dliameter, which is tapered to, to be integrally conical, and the inclination angle on the inclined-plane of taper is between 30 ° to 55 °.The design reduces
The frictional force of flexible axle disengaging.
Roller power source and clamping power source include hydraulic motor, hydraulic motor circuit connection PLC control system.It uses
When, staff can input from control panel, folding and unfolding and the folding and unfolding speed of controlling cable.
Dredging hole and peep hole are equipped on outer layer storage cylinder.Convenient for the residual condition of mud in observation device.
A kind of fixing means of pipe-dredging dredging flexible axle, flexible axle tube body is made of elastic construction, with springy flexible axle
Head end be set in clamp spring device 1, end is fixedly installed in bottom in roller, and clamp spring device 1 and roller connect independent dynamic respectively
Power source, flexible axle from coil to coil under natural resiliency power drive are coiled in the space formed in inner layer sleeve 7 and outer layer roller, and control is dynamic
Steering between power source controls the speed discrepancy of roller and clamp spring device to control the folding and unfolding speed of flexible axle, outside to control the folding and unfolding of flexible axle
The limiting plate group 5 for converting elastic force in take-up and it being guided to position is equipped in layer storage cylinder 4.
In the specific course of work, inner/outer tube respective independent maintenance and maintenance, while common association in practical applications
Work is completed with cooperation, dynamical system automatically controlled using PLC, and labor intensity is low, high degree of automation, while can be with
Monitor the operating state of each equipment in real time；
To sum up, the utility model can be crimped using spring flexible shaft and the principle for the bullet that can rise to four sides manufactures successfully
, it is pulled out forward by the long disc spins of leading portion at work, stretches out flexible axle, while roller is transmitted to the spinning force of flexible axle and is not
It being often fitted close forward, quickly rotation moves forward into pipeline acting to the rotary cut device of leading portion, completes dredging work, otherwise by circulator
It is mandatory to be moved back to rear side, it is that flexible axle is clean all garbage disposals on flexible axle by adhesion garbage disposer, hides in bucket, it is complete
Into the entire automatic course of work, the application is on the basis of the dredging of transmission, more fast, environmental protection, strengthens the effect of dredging, section
More times and fund are saved, relevant staff's labor intensity is low, stronger to the improvement of environment.
The axial movement of spring can be realized by changing clamp spring device rotating speed.Rotating speed is vector herein, is rotated with roller
Direction is all mutually just with spring rotation direction；During if you need to which spring being made to be in only rotation without axial movement, clamp spring device rotating speed is made to be equal to rolling
Cylinder rotating speed；When spring is needed to advance, clamp spring device rotating speed is made to be less than drum speed；When spring is needed to retreat, make clamp spring
Device rotating speed is more than drum rotation speed.The present apparatus can realize that spring moves axially the stepless time adjustment of speed.
Embodiment 2
The present embodiment principle is with embodiment 1, and specifically the difference lies in guide cylinder 8 is installed on inner layer sleeve 7.Made
It crosses that face is more smooth, further improves the guiding effect to flexible shaft line.In the present embodiment, the hydraulic motor of clamp spring device 1 replaces with
Conventional V belt translation.
In addition, as shown in figure 5, the width correspondence of limiting plate accounts for 36 degree of central angle, in practical operating mode, limiting plate
Width and the width in gap substantially correspond to, and on the one hand ensure the realization of limiting, on the other hand save material, reduce friction.
Finally it should be noted that：It these are only the preferred embodiment of the utility model, be not limited to this practicality
It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc.
With replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on are all contained in
In the scope of protection of the utility model.
Claims (9)
- A kind of 1. pipe-dredging dredging flexible axle fixation roller, which is characterized in that the outer layer storage cylinder (4) including concentric installation With inner layer sleeve (7)；The both ends of outer layer storage cylinder (4) are respectively equipped with blind flange, wherein, the outer surface of right end blind flange according to The secondary roller power source for being equipped with right end concentric shafts and driving the rotation of right end concentric shafts, the middle part of left end blind flange is equipped with and roller The hollow shaft of internal cavity connection, clamp spring device (1), loaded on the hollow shaft, limit the flexible axle on vertical plane via bearing holder (housing, cover) Clamp spring device (1) connection of degree of freedom clamps power source；Flexible axle is formed between the outer layer storage cylinder (4) and the inner layer sleeve (7) Store cavity so that the flexible axle is able to the from coil to coil in cavity and is wound in the outer layer storage cylinder (4) until card described in drawing-in Spring device (1) extends outwardly；The right end concentric shafts and hollow shaft, which are mounted on via bearing on supporting rack, to be able in rolling supported on both sides Cylinder.
- 2. a kind of pipe-dredging dredging flexible axle fixation roller according to claim 1, which is characterized in that the flexible axle by Spring is made, between mean diameter of coil 30mm to the 50mm, between pitch 15mm to 25mm.
- A kind of 3. pipe-dredging dredging flexible axle fixation roller according to claim 2, which is characterized in that the clamp spring device It is formed between the spring using spring as leading screw, using clamp spring device as the threaded connection of nut.
- 4. a kind of pipe-dredging dredging flexible axle fixation roller according to claim 3, which is characterized in that in the outer layer The tapered limiting plate group (5) of thickness is also equipped on storage cylinder inner wall.
- A kind of 5. pipe-dredging dredging flexible axle fixation roller according to claim 4, which is characterized in that the limiting plate Group (5) includes several strip limiting plates along outer layer storage cylinder inner wall even distribution distribution.
- 6. a kind of pipe-dredging dredging flexible axle fixation roller according to claim 1, which is characterized in that in the internal layer Front end installation guide cylinder made of nylon (8) of sleeve (7), described guide cylinder (8) one end and the ruler of the inner layer sleeve (7) Very little corresponding, other end barrel dliameter, which is tapered to, to be integrally conical, and the inclination angle on the inclined-plane of the taper is between 30 ° to 55 °.
- A kind of 7. pipe-dredging dredging flexible axle fixation roller according to claim 6, which is characterized in that the guide cylinder (8) it is installed on the inner layer sleeve (7).
- 8. a kind of pipe-dredging dredging flexible axle fixation roller according to claim 1, which is characterized in that the roller moves Power source and the clamping power source include hydraulic motor, and the hydraulic motor circuit connects PLC control system.
- 9. a kind of pipe-dredging dredging flexible axle fixation roller according to claim 1, which is characterized in that in the outer layer It stores cylinder (4) and is equipped with dredging hole and peep hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721620798.5U CN207553279U (en) | 2017-11-20 | 2017-11-20 | Pipe-dredging dredging flexible axle fixation roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721620798.5U CN207553279U (en) | 2017-11-20 | 2017-11-20 | Pipe-dredging dredging flexible axle fixation roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207553279U true CN207553279U (en) | 2018-06-29 |
Family
ID=62678014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721620798.5U Active CN207553279U (en) | 2017-11-20 | 2017-11-20 | Pipe-dredging dredging flexible axle fixation roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207553279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005226A (en) * | 2017-11-20 | 2018-05-08 | 郑州中原科技工程研究院有限公司 | Dredging cable fixation roller and supporting dredging cable fixing means in pipe dredging machine |
-
2017
- 2017-11-20 CN CN201721620798.5U patent/CN207553279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005226A (en) * | 2017-11-20 | 2018-05-08 | 郑州中原科技工程研究院有限公司 | Dredging cable fixation roller and supporting dredging cable fixing means in pipe dredging machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102966178B (en) | Multifunctional underground pipe dredging power winch | |
| CN207553279U (en) | Pipe-dredging dredging flexible axle fixation roller | |
| CN110985036B (en) | Slurry shield slurry pipeline extension device and extension method | |
| CN102500588A (en) | Machine capable of cleaning pipes different in diameter | |
| CN210831015U (en) | Traction device for repairing gas pipeline | |
| CN106764233A (en) | Municipal sewer pipe prosthetic device and its construction method | |
| CN2262062Y (en) | Cleaning vehicle for drainage pipe | |
| CN207700361U (en) | The pipe-dredging silt remover of quickly retracting | |
| CN108005226A (en) | Dredging cable fixation roller and supporting dredging cable fixing means in pipe dredging machine | |
| CN107830306A (en) | A kind of inner-walls of duct detects failure detector | |
| KR100766791B1 (en) | A device for descaling of pipeline | |
| CN115780428B (en) | Pipeline cleaning robot | |
| CN203096796U (en) | Multifunctional underground pipeline dredging power winch | |
| CN107724523A (en) | The pipe-dredging silt remover of quickly retracting | |
| CN102030225A (en) | Hydraulic hose reeling disc | |
| CN217128487U (en) | Small-pipe-diameter municipal road water supply and drainage pipeline excavation-free dredging and cleaning device | |
| CN213194915U (en) | Pipeline cleaning device | |
| CN203184297U (en) | Cable conduit barrier removing tool assembly | |
| CN214935046U (en) | Underground cable storage device | |
| CN211574516U (en) | Pipeline non-excavation inside lining restores draw gear | |
| CN206157887U (en) | Sewer cleaning device | |
| CN213062358U (en) | Municipal administration water supply and drainage pipeline leads to stifled device | |
| CN210434996U (en) | Pipeline dredging traction device | |
| CN211200687U (en) | Cleaning vehicle | |
| CN110509298A (en) | Cable channel robot and system based on surface geometry constrained motion model |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Dongliang Document name: Notification of Eligibility for Procedures |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220928 Address after: No. 872, Chemical Road, 200 meters north of the intersection of Chemical Road and Chunlan Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province, 450000 Patentee after: Henan Greentown Longfei Industrial Co.,Ltd. Address before: Kaishuo Branch Park, No. 1356, Hanghai East Road, Zhengzhou Economic and Technological Development Zone, Zhengzhou City, Henan Province, 450000 Patentee before: ZHENGZHOU ZHONGYUAN TECHNOLOGY ENGINEERING RESEARCH INSTITUTE CO.,LTD. |