CN107053690A - The installation method of axle and axle sleeve - Google Patents
The installation method of axle and axle sleeve Download PDFInfo
- Publication number
- CN107053690A CN107053690A CN201611212213.6A CN201611212213A CN107053690A CN 107053690 A CN107053690 A CN 107053690A CN 201611212213 A CN201611212213 A CN 201611212213A CN 107053690 A CN107053690 A CN 107053690A
- Authority
- CN
- China
- Prior art keywords
- axle
- axle sleeve
- sleeve
- press
- rebound
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 238000012216 screening Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/64—Joining a non-plastics element to a plastics element, e.g. by force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/22—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using layers or sheathings having a shape adapted to the shape of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8269—Testing the joint by the use of electric or magnetic means
- B29C65/8276—Testing the joint by the use of electric or magnetic means by the use of electric means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Sorting Of Articles (AREA)
Abstract
The present invention relates to mechanical field, more particularly to the installation method of a kind of axle and axle sleeve, by being defined on the laying method to axle sleeve in this method, on the one hand the placement space of axle sleeve delivery chute can be saved, on the other hand the gradient of axle sleeve is increased, when the flaps are opened, axle sleeve can be skidded off quickly from axle sleeve delivery chute.Acted on, realized during being installed to the compression of axle sleeve and axle by the linkage of pressure axis, gangbar and baffle plate, press-fit the control of a charging aperture for being sent to for axle sleeve interval while also achieving, it is achieved thereby that the linkage effect of different port.Realize simultaneously in the case where axle need not be moved, you can complete axle and installed with axle sleeve, detect work integrated with sorting.
Description
Technical field
The present invention relates to mechanical field, more particularly to a kind of installation method of axle sleeve.
Background technology
Current axle has been used in the every field in life, is needed on one end of the shaft for the axle having when dispatching from the factory
One layer of plastic sleeve is installed to play a protective role, it is to avoid worn and torn in transport or handling process.In the prior art, it is right
Installation in axle and axle sleeve, detection and the step of sort it is oversize, each step is required for single equipment to complete, and causes institute
Need that equipment is more, floor space is excessive, and also need to artificial participation between each step to complete, such as axle is pacified with axle sleeve
, it is necessary to be detected by being manually placed into testing agency after installing into（Whether detection axle sleeve is accurately arranged on
The specified location of axle, if the problem of tilting irregular）, divided again by qualified with underproof axle during detection
Class, therefore need to design a kind of energy realization installation regarding to the issue above, detect the device of work integrated with sorting to solve.
The content of the invention
The invention is intended to provide the installation method of a kind of axle and axle sleeve, to realize that axle and axle sleeve install, detect and sorted one
The purpose of bodyization work.
To reach above-mentioned purpose, base case of the invention is as follows：The installation method of axle and axle sleeve, comprises the following steps：
Step 1：Prepare an axle sleeve erecting device, the axle sleeve erecting device includes pedestal, shaft sleeve installation machine structure and screening mechanism, institute
Stating pedestal and being provided with is used for the erecting bed of fixing axle, and the erecting bed, which is provided with to be provided with mounting hole, the mounting hole, to be used for admittedly
The support and control mechanism of dead axle, the support and control mechanism includes the fixed seat combined by several piece secter pat, the sector
The section of block is into " L " type, and the arcwall face of the secter pat is provided with irony layer, and the mounting hole perisporium is provided with electromagnet, institute
State and the vertically-mounted screening passage for having confession axle to pass through on stage clip, the erecting bed is provided between secter pat and pedestal, the screening is led to
Road is corresponding with mounting hole, and the pedestal is provided with the testing agency for being used for detecting axle, and the testing agency electrically connects with electromagnet；
The shaft sleeve installation machine structure includes press-fiting cylinder, described to press-fit cylinder directly over fixed seat, described to press-fit an inwall both sides
It is hinged with the supporting plate for support sleeve, the supporting plate and press-fits and be connected with extension spring, the pressure between an inwall
Fitted tube side wall is provided with charging hole, and the lower wall of the charging hole stretches out to form rebound, and the rebound is inclined upwardly setting, institute
The upper wall for stating charging hole is hinged with gangbar, and described to press-fit the pressure axis that is slidably connected in cylinder, pressure axis side wall is provided with use
The drive block moved up and down in driving gangbar, it is described to press-fit cylinder close to the side of charging hole provided with axle sleeve delivery chute, it is described
The output end of axle sleeve delivery chute slidably connects baffle plate, and the baffle plate is hinged with gangbar；
Step 2：By axle sleeve slant setting in axle sleeve delivery chute, make between two adjacent axle sleeves, the afterbody of an axle sleeve is suppressed
In the front portion of another axle sleeve, and open baffle plate and allow a wherein axle sleeve to be slided into by rebound in supporting plate, while axle is fixed
In fixed seat；
Step 3：Driving pressure axle is moved down, and pressure axis is promoted and axially moved positioned at supporting plate Upper shaft sleeve, and by axle sleeve
It is pressed on the end of axle, meanwhile, during pressure axis is moved down, drive block promotes gangbar one end to move downward, and joins
The other end of lever then promotes baffle plate to open the output end of axle sleeve delivery chute, allows a wherein axle sleeve to slide into rebound；
Step 4：Moved on driving pressure axial direction, the drive block in drive shaft then promotes the output end in flapper closure step 3, when
When pressure axis is moved to above charging hole, the axle sleeve on rebound then slides into the installation waited in supporting plate next time；
Step 5：Testing agency is arranged on to the oblique upper of axle, whether the installation site for starting testing agency's detection axle sleeve and axle is accurate
Really, and by detection signal it is sent at electromagnet, when detecting the accurate axle of installation site, electromagnet conduction band magnetic is simultaneously adsorbed
Secter pat, now sieves passage and is opened, axle sleeve is installed accurate axle and just dropped into screening passage.
The advantage of this programme is：In step 2, to being defined on the laying method of axle sleeve, on the one hand it can save
The placement space of axle sleeve delivery chute, on the other hand increases the gradient of axle sleeve, when the flaps are opened, and axle sleeve can be quickly from axle
Skidded off in set delivery chute.In step 3, step 4 and step 5, acted on, realized by the linkage of pressure axis, gangbar and baffle plate
During being installed to the compression of axle sleeve and axle, while also achieving press-fit a charging aperture for being sent to for axle sleeve interval
Control, it is achieved thereby that the linkage effect of different port.Realize simultaneously in the case where axle need not be moved, you can complete
Axle is installed with axle sleeve, detects work integrated with sorting.
Preferred scheme 1：Based on scheme improvement, in step 1, the height of the output end of the axle sleeve delivery chute is big
Thickness in an axle sleeve and the summation less than two half bush wall thickness, to ensure that each output end only one of which axle sleeve is skidded off.
Preferred scheme 2：Preferably 1 improvement, the length of the rebound is more than the length of axle sleeve, it is to avoid part
Axle sleeve is located at rebound top split axle set and is then located in axle sleeve delivery chute, when flapper closure output end, easily presss from both sides axle sleeve
Handle.
Preferred scheme 3：Based on scheme or preferred scheme 2 improvement, the one end of the secter pat away from arcwall face is set
There is rotary shaft, by setting rotary shaft, after leather cup is arranged on piston, rotary shaft band piston rotation, in order to detection machine
Structure carries out 360 ° of detection to installing the piston after leather cup.
Brief description of the drawings
Fig. 1 is the structural representation of bottom bracket axle erecting device of the present invention.
Fig. 2 is the operating diagram of bottom bracket axle installing mechanism of the present invention.
Embodiment
Below by embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Pedestal 1, erecting bed 2, mounting hole 3, fixed seat 4, secter pat 5, screening passage
6th, press-fit cylinder 7, supporting plate 8, charging hole 9, rebound 10, gangbar 11, pressure axis 12, drive block 13, axle sleeve delivery chute 14,
Baffle plate 15, axle 16, axle sleeve 17, testing agency 18.
Embodiment is substantially as shown in Figure 1：The equipment needed to use in this method is axle sleeve erecting device, and the axle sleeve is installed
Device includes pedestal 1, shaft sleeve installation machine structure and screening mechanism, and pedestal 1 is provided with the erecting bed 2 for fixing axle 16, erecting bed 2
The support and control mechanism being provided with mounting hole 3, mounting hole 3 for fixing axle 16 is provided with, support and control mechanism is included by several piece
The circular fixed seat 4 that secter pat 5 is combined, the section of secter pat 5 is in "L" shaped, and the arcwall face of secter pat 5 is provided with iron
Matter layer, the perisporium of mounting hole 3 is provided with electromagnet, adsorbable secter pat 5 after electromagnet is powered.The mounting hole of secter pat 5 and pedestal 1
The vertically-mounted screening passage 6 for having confession axle 16 to pass through on stage clip, erecting bed 2 is connected between 3 walls, the diameter of screening passage 6 is big
In the diameter of axle 16.The screening passage 6 is located at the underface of mounting hole 3 and is interconnected, and pedestal 1, which is provided with, to be used to detect axle 16
Testing agency 18, the testing agency 18 can use position sensor, for detect axle sleeve 17 and axle 16 installation site whether
Standard, position sensor is electrically connected with electromagnet.
As shown in Fig. 2 shaft sleeve installation machine structure includes press-fiting cylinder 7, press-fit cylinder 7 and be fixedly mounted on pedestal 1 and positioned at fixation
Directly over seat 4, the left and right sides for press-fiting the inwall of cylinder 7 is hinged with supporting plate 8 for support sleeve 17, supporting plate 8 with
Press-fit and be connected with extension spring between the inwall of cylinder 7, press-fit the right side wall of cylinder 7 and offer charging hole 9, the lower wall of charging hole 9 stretches out shape
Into rebound 10, the rebound 10 is inclined upwardly setting, and the length of rebound 10 is more than the length of axle sleeve 17, it is to avoid part axle sleeve
17, which are located at the top split axle set 17 of rebound 10, is then located in axle sleeve delivery chute 14, when baffle plate 15 closes output end, easily will
Axle sleeve 17 is clamped.The top of charging hole 9 is hinged with gangbar 11, and the left end of linkage board, which is located at, to be press-fited in cylinder 7, and its right-hand member is located at
Press-fit outside cylinder 7.Press-fit the pressure axis 12 that is slidably connected in cylinder 7, the pressure axis 12 is driven by the cylinder.The right side wall of pressure axis 12 is provided with
For the drive block 13 for driving gangbar 11 to move up and down, the outer surface of the drive block 13 is spherical.Install on the right side for press-fiting cylinder 7
There is axle sleeve delivery chute 14, the output end of axle sleeve delivery chute 14 slidably connects baffle plate 15, and the baffle plate 15 is cut with scissors with gangbar 11
Connect, the output end of the axle sleeve delivery chute 14 is corresponding with the right-hand member of rebound 10.
Specific implementation method：
Step 1：By the slant setting of axle sleeve 17 in the delivery chute 14 of axle sleeve 17, make between two adjacent axle sleeves 17, an axle sleeve 17
Afterbody be compressed on the front portion of another axle sleeve 17, and open baffle plate 15 and allow a wherein axle sleeve 17 to slide into support by rebound 10
On plate 8, while axle 16 is fixed in fixed seat 4；
Step 2：Driving pressure axle 12 is moved down, and pressure axis 12, which is promoted, is located at supporting plate Upper shaft sleeve 17 to the movement of the direction of axle 16,
And be pressed into axle sleeve 17 on the end of axle 16, meanwhile, during pressure axis 12 is moved down, drive block 13 promotes gangbar
11 one end are moved downward, and the other end of gangbar 11 then promotes baffle plate 15 to open the output end of the delivery chute 14 of axle sleeve 17, allows it
In an axle sleeve 17 slide into rebound 10；
Step 3：Driving pressure axle 12 is moved upwards, and the drive block 13 in drive shaft 16 then promotes baffle plate 15 to close in step 2
Output end, when pressure axis 12 is moved to 9 top of charging hole, the axle sleeve 17 on rebound 10 is then slided into supporting plate 8
Wait installation next time；
Step 4：Testing agency 18 is arranged on to the oblique upper of axle 16, starts the installation of the detection axle sleeve 17 of testing agency 18 and axle 16
Whether position is accurate, and detection signal is sent at electromagnet, and when detecting the accurate axle 16 of installation site, electromagnet is led
Passband magnetic simultaneously adsorbs secter pat 5, now sieves passage 6 and is opened, and axle sleeve 17 installs accurate axle 16 and just drops into screening passage 6
In.
Above-described is only that the known general knowledge such as concrete structure and/or characteristic is herein in embodiments of the invention, scheme
Excessive description is not made.It should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise, also
Several modifications and improvements can be made, these should also be considered as protection scope of the present invention, these are real all without the influence present invention
The effect and practical applicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In embodiment etc. record the content that can be used for explaining claim.
Claims (4)
1. the installation method of axle and axle sleeve, it is characterised in that comprise the following steps：
Step 1：Prepare an axle sleeve erecting device, the axle sleeve erecting device includes pedestal, shaft sleeve installation machine structure and screening mechanism, institute
Stating pedestal and being provided with is used for the erecting bed of fixing axle, and the erecting bed, which is provided with to be provided with mounting hole, the mounting hole, to be used for admittedly
The support and control mechanism of dead axle, the support and control mechanism includes the fixed seat combined by several piece secter pat, the sector
The section of block is into " L " type, and the arcwall face of the secter pat is provided with irony layer, and the mounting hole perisporium is provided with electromagnet, institute
State and the vertically-mounted screening passage for having confession axle to pass through on stage clip, the erecting bed is provided between secter pat and pedestal, the screening is led to
Road is corresponding with mounting hole, and the pedestal is provided with the testing agency for being used for detecting axle, and the testing agency electrically connects with electromagnet；
The shaft sleeve installation machine structure includes press-fiting cylinder, described to press-fit cylinder directly over fixed seat, described to press-fit an inwall both sides
It is hinged with the supporting plate for support sleeve, the supporting plate and press-fits and be connected with extension spring, the pressure between an inwall
Fitted tube side wall is provided with charging hole, and the lower wall of the charging hole stretches out to form rebound, and the rebound is inclined upwardly setting, institute
The upper wall for stating charging hole is hinged with gangbar, and described to press-fit the pressure axis that is slidably connected in cylinder, pressure axis side wall is provided with use
The drive block moved up and down in driving gangbar, it is described to press-fit cylinder close to the side of charging hole provided with axle sleeve delivery chute, it is described
The output end of axle sleeve delivery chute slidably connects baffle plate, and the baffle plate is hinged with gangbar；
Step 2：By axle sleeve slant setting in axle sleeve delivery chute, make between two adjacent axle sleeves, the afterbody of an axle sleeve is suppressed
In the front portion of another axle sleeve, and open baffle plate and allow a wherein axle sleeve to be slided into by rebound in supporting plate, while axle is fixed
In fixed seat；
Step 3：Driving pressure axle is moved down, and pressure axis is promoted and axially moved positioned at supporting plate Upper shaft sleeve, and by axle sleeve
It is pressed on the end of axle, meanwhile, during pressure axis is moved down, drive block promotes gangbar one end to move downward, and joins
The other end of lever then promotes baffle plate to open the output end of axle sleeve delivery chute, allows a wherein axle sleeve to slide into rebound；
Step 4：Moved on driving pressure axial direction, the drive block in drive shaft then promotes the output end in flapper closure step 3, when
When pressure axis is moved to above charging hole, the axle sleeve on rebound then slides into the installation waited in supporting plate next time；
Step 5：Testing agency is arranged on to the oblique upper of axle, whether the installation site for starting testing agency's detection axle sleeve and axle is accurate
Really, and by detection signal it is sent at electromagnet, when detecting the accurate axle of installation site, electromagnet conduction band magnetic is simultaneously adsorbed
Secter pat, now sieves passage and is opened, axle sleeve is installed accurate axle and just dropped into screening passage.
2. the installation method of axle according to claim 1 and axle sleeve, it is characterised in that：In step 1, the axle sleeve conveying is slided
The height of the output end of groove is more than the thickness of an axle sleeve and less than the summation of two half bush wall thickness.
3. the installation method of axle according to claim 2 and axle sleeve, it is characterised in that：The length of the rebound is more than axle
The length of set.
4. the installation method of axle according to claim 3 and axle sleeve, it is characterised in that：The secter pat is away from arcwall face
One end is provided with rotary shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611212213.6A CN107053690B (en) | 2016-12-25 | 2016-12-25 | The installation method of axis and axle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611212213.6A CN107053690B (en) | 2016-12-25 | 2016-12-25 | The installation method of axis and axle sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107053690A true CN107053690A (en) | 2017-08-18 |
| CN107053690B CN107053690B (en) | 2019-02-15 |
Family
ID=59623607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611212213.6A Expired - Fee Related CN107053690B (en) | 2016-12-25 | 2016-12-25 | The installation method of axis and axle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107053690B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1817520B1 (en) * | 2004-12-02 | 2008-12-17 | Legris S.A. | Guide bushing easily inserted into a connection bore and corresponding connection |
| CN201427232Y (en) * | 2008-12-25 | 2010-03-24 | 杭州东华链条集团有限公司 | Automatic assembling device of chain bearing |
| CN201559050U (en) * | 2009-10-26 | 2010-08-25 | 苏州工业园区职业技术学院 | Shaft assembly automatic assembling system |
| CN203738352U (en) * | 2013-12-30 | 2014-07-30 | 天津博信汽车零部件有限公司 | Steering knuckle bushing pressing tooling |
| US20160257428A1 (en) * | 2013-05-02 | 2016-09-08 | The Boeing Company | Method of assembling components |
-
2016
- 2016-12-25 CN CN201611212213.6A patent/CN107053690B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1817520B1 (en) * | 2004-12-02 | 2008-12-17 | Legris S.A. | Guide bushing easily inserted into a connection bore and corresponding connection |
| CN201427232Y (en) * | 2008-12-25 | 2010-03-24 | 杭州东华链条集团有限公司 | Automatic assembling device of chain bearing |
| CN201559050U (en) * | 2009-10-26 | 2010-08-25 | 苏州工业园区职业技术学院 | Shaft assembly automatic assembling system |
| US20160257428A1 (en) * | 2013-05-02 | 2016-09-08 | The Boeing Company | Method of assembling components |
| CN203738352U (en) * | 2013-12-30 | 2014-07-30 | 天津博信汽车零部件有限公司 | Steering knuckle bushing pressing tooling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107053690B (en) | 2019-02-15 |
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Effective date of registration: 20200107 Address after: Room 602, building H2, Changyuan road international enterprise community, Wuqing Development Zone, Wuqing District, Tianjin Patentee after: TIANJIN LEISHENG TECHNOLOGY Co.,Ltd. Address before: 402160 No. 65 South Railway Station, Yongchuan District, Chongqing Patentee before: CHONGQING YONGCHUAN TAIXING MACHINERY PLANT |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201127 Address after: 063611 west side of Donghai Road, Tangshan Haigang Development Zone, Tangshan City, Hebei Province Patentee after: HEBEI DATANG INTERNATIONAL WANGTAN POWER GENERATION Co.,Ltd. Address before: Room 602, building H2, Changyuan road international enterprise community, Wuqing Development Zone, Wuqing District, Tianjin Patentee before: TIANJIN LEISHENG TECHNOLOGY 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: 20190215 |