CN205581059U - Probe voussoir fixture who is fit for pipeline ultrasonic non -destructive testing - Google Patents
Probe voussoir fixture who is fit for pipeline ultrasonic non -destructive testing Download PDFInfo
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- CN205581059U CN205581059U CN201620328603.9U CN201620328603U CN205581059U CN 205581059 U CN205581059 U CN 205581059U CN 201620328603 U CN201620328603 U CN 201620328603U CN 205581059 U CN205581059 U CN 205581059U
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- 239000000523 sample Substances 0.000 title claims abstract description 68
- 238000009659 non-destructive testing Methods 0.000 title claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 35
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
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- 238000012360 testing method Methods 0.000 description 17
- 230000007547 defect Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 10
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- 238000000034 method Methods 0.000 description 6
- 230000001808 coupling effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
本实用新型涉及一种适合管道超声无损检测的探头楔块夹持机构，通过在探头楔块的两侧分别设置可转动的第一销钉、第二销钉，并将第一销钉、第二销钉插入到U型架相应直臂上的条形槽中，第一销钉、第二销钉能够沿相应的条形槽上下运动，而通过第一连杆、第二连杆将第一销钉、第二销钉安装在U型架上，第一弹簧、第二弹簧使第一销钉、第二销钉保持具有向下复位至相应条形槽底部的趋势，从而使探头楔块的检测面保持紧贴在被检测管道的表面上。这种适合管道超声无损检测的探头楔块夹持机构具有三个自由度和向下紧贴的压力，能够在较小的结构尺寸下，满足探头楔块对检测表面的耦合要求，而且结构简单可靠，成本低廉，具备很高的现实应用价值。
The utility model relates to a probe wedge clamping mechanism suitable for ultrasonic non-destructive testing of pipelines. Rotatable first pins and second pins are respectively arranged on both sides of the probe wedge, and the first pin and the second pin are inserted into the Into the strip groove on the corresponding straight arm of the U-shaped frame, the first pin and the second pin can move up and down along the corresponding strip groove, and the first pin and the second pin can be moved up and down by the first connecting rod and the second connecting rod. Installed on the U-shaped frame, the first spring and the second spring make the first pin and the second pin maintain a tendency to return downward to the bottom of the corresponding strip groove, so that the detection surface of the probe wedge remains close to the detected surface on the surface of the pipe. This probe wedge clamping mechanism suitable for ultrasonic non-destructive testing of pipelines has three degrees of freedom and downward pressure, can meet the coupling requirements of the probe wedge to the detection surface with a small structural size, and has a simple structure Reliable, low cost, with high practical application value.
Description
Technical field
This utility model relates to a kind of ultrasonic probe clamping device, particularly relates to the probe voussoir clamping device of a kind of applicable ultrasonic nondestructive test of pipeline.
Background technology
Small diameter tube generally refers to the metallic conduit that external diameter is 21.3～159mm, relatively broad in field application such as petrochemical industry, bearing device, boiler manfacturing, power industry, Nuclear Power Industries.The feature of this type of pipe fitting is that radius of curvature is little, and pipe thickness is thin, and Construction Arrangement is compact.Therefore being of wide application of class pipeline, once occurs the biggest probability of problem can even cause the major accident such as environmental pollution or blast, so must assure that the performance of this type of pipe fitting meets use and safety requirements to producing and life produces harmful effect.
The detection of pipeline includes weld seam detection and body detection, and weld seam detection is divided into circumference weld inspection and longitudinal seam detection, girth joint be i.e. weld seam along pipeline circumferentially around a circle, longitudinal seam is i.e. axially extending along pipeline；Body detection includes Corrosion monitoring and crack detection.Pipe detection typically uses Non-Destructive Testing mode; i.e. on the premise of not damaging or not affecting detected object serviceability and interior tissue; utilize material internal structure exception or defect exist cause heat, sound, the change of the reaction such as optical, electrical, magnetic; with either physically or chemically as means; by up to date technics and equipment and material, to test specimen inside and the type of the structure on surface, character, state and defect, character, quantity, shape, position, size, it is distributed and changes the method checking and testing.Non-Destructive Testing mode conventional in Practical Project includes ray detection, Magnetic testing, Liquid penetrant testing and ultrasound detection etc..
During Ultrasonic NDT, surface of the work is often the most coarse because of the reason such as oxide layer or rust corrosion, if directly and absorption surface easilys lead to rapid wear of popping one's head in by probe, shortens the probe life-span.Therefore, practical operation often increases between probe and measured workpiece the medium of removable, relative low price in order to substitute abrasion, the most so-called voussoir.Voussoir need to be provided continual and steady downforce to fit tightly both ensureing by detection process, makes coupling effect reach testing requirement, otherwise will be unable to detect.Owing to voussoir tool itself has the dimensions and hardness, if not having enough degree of freedom, pressure obviously cannot meet decoupling calls the most on the lower.
The probe voussoir clamping device of small diameter tube Ultrasonic NDT, it is desirable to during whole detection, clamping device can keep continual and steady laminating to probe voussoir and tested pipeline surface, to reach the testing result of stable and consistent.In Practical Project scene, because of a variety of causes, surface of the work can present deformation and rough situation, and general mechanism is difficult to reach to provide continual and steady laminating in detection process, make coupling effect be difficult to reach stable with consistent, judge to form impact on operating process and testing result.Downforce needed for the generally probe voussoir offer three degree of freedom of product (including but not limited to small diameter tube the cannot-harm-detection device) in the market and laminating, great majority use the design that a displacement+two as shown in Figure 1a rotates, or the design of three rotations as shown in Figure 1 b.For ensureing to rotate smooth and easy and kinematic accuracy, generally increasing the standard component such as bearing or line slideway the outside of U-shaped frame, this causes two problems: one is that mechanism's overall dimensions is bigger than normal, and two is relatively costly.
As it was noted above, the feature of small diameter tube is characteristics of compact layout, the spacing between pipeline is the least, if the overall dimensions of mechanism is excessive, it is easy to situation about blocking, working place is not enough occur in detection process.In order to solve this problem, some devices being applied to small diameter tube Ultrasonic NDT are made that the compromise (compromise proposal) abandoning some freedom, such as, notification number is that the patent documentation of CN 204694677 U discloses a kind of small diameter tube weld seam ultrasonic phase array detection device, as in figure 2 it is shown, this device is in order to avoid oversize, magic tape is used to provide downforce for probe voussoir, therefore it is not required to use bearing or line slideway, is able to compressor size.But the cost done so is the degree of freedom of probe voussoir to be restricted, when in axial direction there is difference in height in pipe surface, probe voussoir cannot carry out good coupling with pipeline, even so, even if detection process probe voussoir can be held against with pipeline, the phenomenon of pine when this kind of mode cannot avoid whole device being caused tight when occurring when caliber changes, causes coupling deviation, and when using this device to check, image repeatable accuracy is low.
From the foregoing, it can be understood that at present small diameter tube circumference weld inspection device the most on the market generally there are two contradictions: one be to ensure that probe voussoir coupling needed for degree of freedom plant bulk can be caused bigger than normal, reality cannot be applied, and relatively costly；If two is to abandon some degree of freedom to reduce overall dimensions, then the voussoir coupling effect that can cause popping one's head in is unsatisfactory for detection demand.
Summary of the invention
The technical problems to be solved in the utility model is to provide the probe voussoir clamping device of a kind of applicable ultrasonic nondestructive test of pipeline, the overall dimensions of this probe voussoir clamping device is less, probe voussoir can be kept to be close to pipe surface, meet the decoupling calls to detection surface, and it is simple and reliable for structure, with low cost, possess the highest application value realistic.The technical scheme used is as follows:
The probe voussoir clamping device of a kind of applicable ultrasonic nondestructive test of pipeline, including probe voussoir and U-shaped frame, is characterized in that: also include the first pin, the second pin, the first rotating shaft, the second rotating shaft, first connecting rod, second connecting rod, the first spring and the second spring；First pin, the fixing end of the second pin may be rotatably mounted at the both sides of described probe voussoir respectively；The end of two straight-arms of described U-shaped frame all offers the bar-shaped trough perpendicular with straight-arm length direction；First pin, the free end of the second pin are respectively in corresponding bar-shaped trough；One end of first connecting rod is fixing with the free end of the first pin to be connected, and the other end of first connecting rod be may be rotatably mounted on the corresponding straight-arm of U-shaped frame by the first rotating shaft；One end of second connecting rod is fixing with the free end of the second pin to be connected, and the other end of second connecting rod be may be rotatably mounted on the corresponding straight-arm of U-shaped frame by the second rotating shaft；The two ends of the first spring connect to the corresponding straight-arm of first connecting rod, U-shaped frame respectively；The two ends of the second spring connect to the corresponding straight-arm of second connecting rod, U-shaped frame respectively.
The probe voussoir clamping device of this applicable ultrasonic nondestructive test of pipeline, by being respectively provided with rotating first pin in the both sides of probe voussoir, second pin, and by the first pin, second pin is inserted in the bar-shaped trough on the corresponding straight-arm of U-shaped frame, first pin, second pin can move up and down along corresponding bar-shaped trough, and pass through first connecting rod, second connecting rod is by the first pin, second pin is arranged on U-shaped frame, first spring, second spring makes the first pin, second pin keeps having the trend being reset to downwards bottom corresponding bar-shaped trough, so that the detection faces of probe voussoir is held against on the surface of detected pipeline.When detected pipeline does not has surface defect (as concavo-convex in welding slag, polishing scratch, depression, ellipse etc. or non-round defect), the first spring, the second spring pulling force effect under, first pin, the second pin are moved down into bottom corresponding bar-shaped trough, both sides highly consistent, probe voussoir is close to straight movement on detected pipe surface under the first spring, the second spring effect；When the left side of voussoir of popping one's head in runs into surface defect protruding upward, be in left side the second pin due to pipe surface height increase and along raise, and move upward along bar-shaped trough, the first pin being in right side then maintains bottom bar-shaped trough constant, therefore, probe voussoir free deflection to the right, and voussoir of popping one's head in still is close on detected pipe surface under the first spring, the second spring effect；In like manner, when the right side of voussoir of popping one's head in runs into surface defect protruding upward, be in right side the first pin due to pipe surface height increase and along raise, and move upward along bar-shaped trough, the second pin being in left side then maintains bottom bar-shaped trough constant, therefore, voussoir free deflection to the left of popping one's head in, and voussoir of popping one's head in still is close on detected pipe surface under the first spring, the second spring effect；When voussoir of popping one's head in runs into bigger uneven surface defect, probe voussoir rotates around the first pin, the second pin, and voussoir of popping one's head in still is close on detected pipe surface under the first spring, the second spring effect.So, the probe voussoir clamping device of this applicable ultrasonic nondestructive test of pipeline can clamp probe voussoir in less spatial dimension and it is kept lasting pressure, and voussoir of popping one's head in has three degree of freedom, it is i.e. to deflect to the left, deflect to the right and around the first pin, second pin rotates, probe voussoir can be fitted with tested pipeline surface to a greater extent, even if the various surface defects that pipe surface often has in engineering site are (such as welding slag, polishing scratch, depression, oval etc. concavo-convex or non-round defect) it also is able to keep preferably fitting, thus ensure the omnidistance good coupling effect of detection, it is substantially reduced carrying out flaw detection operation easier, work quality and efficiency is improved reducing while detection workman's technology requires.Additionally, this probe voussoir clamping device applying pressure and the functional part of three degree of freedom: the first pin, second pin, first rotating shaft, second rotating shaft, first connecting rod, second connecting rod, first spring, second spring is arranged at popping one's head between voussoir and U-shaped frame, it it is not increase functional part outside U-shaped frame, therefore, the overall dimensions of this probe voussoir clamping device is actually only dependent upon the size of probe voussoir, overall dimensions is less, even if being applied to the detection of small-caliber pipeline, it also is able to the decoupling calls meeting probe voussoir to detection surface, and it is simple and reliable for structure, with low cost, possesses the highest application value realistic.
As preferred version of the present utility model, described first connecting rod is provided with first and has contact with, described second connecting rod is provided with second and has contact with, it is respectively equipped with on two straight-arms of described U-shaped frame and first fixes axle, second fix axle, one end of described first spring is socketed in first and fixes on axle, the other end of the first spring is socketed in first and has contact with, and one end of described second spring is socketed in second and fixes on axle, and the other end of the second spring is socketed in second and has contact with.First spring, second spring all by socket in the way of with first connecting rod/second connecting rod, the corresponding straight-arm of U-shaped frame connects, change the first spring, second spring is the most convenient, when the first spring, second spring is with when following the string for a long time, change the first spring in time, second spring, make the first spring, second spring maintains suitable pulling force, pass through first connecting rod respectively, second connecting rod acts on the first pin, second pin, make the first pin, second pin keeps having the trend being reset to downwards bottom corresponding bar-shaped trough, so that the detection faces of probe voussoir is held against on the surface of detected pipeline.
As the further preferred version of this utility model, described first rotating shaft, the second rotating shaft are respectively and fixedly installed on the corresponding straight-arm of U-shaped frame, and described first connecting rod and the first rotating shaft are rotatably connected, and described second connecting rod and the second rotating shaft are rotatably connected.
This utility model compared with prior art, has the advantage that
The probe voussoir clamping device of this applicable ultrasonic nondestructive test of pipeline can clamp probe voussoir in less spatial dimension and it is kept lasting pressure, and voussoir of popping one's head in has three degree of freedom, it is i.e. to deflect to the left, deflect to the right and around the first pin, second pin rotates, probe voussoir can be fitted with tested pipeline surface to a greater extent, even if the various surface defects that pipe surface often has in engineering site are (such as welding slag, polishing scratch, depression, oval etc. concavo-convex or non-round defect) it also is able to keep preferably fitting, thus ensure the omnidistance good coupling effect of detection, it is substantially reduced carrying out flaw detection operation easier, work quality and efficiency is improved reducing while detection workman's technology requires.Additionally, this probe voussoir clamping device applying pressure and the functional part of three degree of freedom: the first pin, second pin, first rotating shaft, second rotating shaft, first connecting rod, second connecting rod, first spring, second spring is arranged at popping one's head between voussoir and U-shaped frame, it it is not increase functional part outside U-shaped frame, therefore, the overall dimensions of this probe voussoir clamping device is actually only dependent upon the size of probe voussoir, overall dimensions is less, even if being applied to the detection of small-caliber pipeline, it also is able to the decoupling calls meeting probe voussoir to detection surface, and it is simple and reliable for structure, with low cost, possesses the highest application value realistic.
Accompanying drawing explanation
Fig. 1 a, Fig. 1 b are two kinds of larger-size probe voussoir clamping devices in prior art；
Fig. 2 is the probe voussoir clamping device that in prior art, a kind of size is less；
Fig. 3 is the structural representation of this utility model preferred implementation；
Fig. 4 is the opposite side view of Fig. 3；
Fig. 5 a is the schematic diagram that probe voussoir makees flat motion, and Fig. 5 b is the schematic diagram that probe voussoir deflects to the right；Fig. 5 c is the schematic diagram that probe voussoir deflects to the left；Fig. 5 d is the schematic diagram that probe voussoir rotates around the first pin, the second pin.
Detailed description of the invention
It is described further with preferred implementation of the present utility model below in conjunction with the accompanying drawings.
As shown in Figure 3, Figure 4, the probe voussoir clamping device of this applicable ultrasonic nondestructive test of pipeline, including probe voussoir 1, the 2, first pin the 3, second pin the 4, first rotating shaft the 5, second rotating shaft 6 of U-shaped frame, first connecting rod 7, second connecting rod the 8, first spring 9 and the second spring 10；The fixing end of first pin the 3, second pin 4 may be rotatably mounted at the both sides of probe voussoir 1 respectively；The end of two straight-arms 11 of U-shaped frame 2 all offers the bar-shaped trough 12 perpendicular with straight-arm 11 length direction；The free end of first pin the 3, second pin 4 is respectively in corresponding bar-shaped trough 12；One end of first connecting rod 7 is fixing with the free end of the first pin 3 to be connected, and the first rotating shaft 5 is fixedly mounted on the corresponding straight-arm 11 of U-shaped frame 2, and first connecting rod 7 is rotatably connected with the first rotating shaft 5；One end of second connecting rod 8 is fixing with the free end of the second pin 4 to be connected, and the second rotating shaft 6 is fixedly mounted on the corresponding straight-arm 11 of U-shaped frame 2, and second connecting rod 8 is rotatably connected with the second rotating shaft 6；First connecting rod 7 is provided with first and has contact with 13, second connecting rod 8 is provided with second and has contact with 14, it is respectively equipped with on two straight-arms of U-shaped frame 2 and first fixes axle 15, second fix axle 16, one end of first spring 9 is socketed in first and fixes on axle 15, the other end of the first spring 9 is socketed in first and has contact with on 13, one end of second spring 10 is socketed in second and fixes on axle 16, and the other end of the second spring 10 is socketed in second and has contact with on 14.
The operation principle of voussoir clamping device of popping one's head in this applicable ultrasonic nondestructive test of pipeline below in conjunction with the accompanying drawings is described in further detail:
Such as Fig. 3, shown in Fig. 4, the probe voussoir clamping device of this applicable ultrasonic nondestructive test of pipeline, by being respectively provided with rotating first pin 3 in the both sides of probe voussoir 1, second pin 4, and by the first pin 3, second pin 4 is inserted in the bar-shaped trough 12 on the U-shaped corresponding straight-arm of frame 2, first pin 3, second pin 4 can move up and down along corresponding bar-shaped trough 12, and by first connecting rod 7, second connecting rod 8 is by the first pin 3, second pin 4 is arranged on U-shaped frame 2, first spring 9, second spring 10 makes the first pin 3, second pin 4 keeps having the trend being reset to downwards bottom corresponding bar-shaped trough 12, so that the detection faces of probe voussoir 1 is held against on the surface of detected pipeline.As shown in Figure 5 a, when detected pipeline does not has surface defect (as concavo-convex in welding slag, polishing scratch, depression, ellipse etc. or non-round defect), under the pulling force effect of first spring the 9, second spring 10, first pin the 3, second pin 4 is moved down into bottom corresponding bar-shaped trough 12, both sides highly consistent, probe voussoir 1 is close to straight movement on detected pipe surface under first spring the 9, second spring 10 effect；As shown in Figure 5 b, when the left side of voussoir 1 of popping one's head in runs into surface defect protruding upward, be in left side the second pin 4(be blocked) due to pipe surface height increase and along raise, and move upward along bar-shaped trough 12, the first pin 3 being in right side then maintains bottom bar-shaped trough 12 constant, therefore, voussoir 1 free deflection to the right of popping one's head in, and voussoir 1 of popping one's head in still is close on detected pipe surface under first spring the 9, second spring 10 effect；In like manner, as shown in Figure 5 c, when the right side of voussoir 1 of popping one's head in runs into surface defect protruding upward, be in right side the first pin 3 due to pipe surface height increase and along raise, and move upward along bar-shaped trough 12, the second pin 4 being in left side then maintains bottom bar-shaped trough 12 constant, therefore, probe voussoir 1 free deflection to the left, and voussoir 1 of popping one's head in still is close on detected pipe surface under first spring the 9, second spring 10 effect；When voussoir 1 of popping one's head in runs into bigger uneven surface defect, probe voussoir 1 rotates around first pin the 3, second pin 4, and voussoir 1 of popping one's head in still is close on detected pipe surface under first spring the 9, second spring 10 effect.
Additionally, first spring 9, second spring 10 all by socket in the way of with first connecting rod 7/ second connecting rod 8, the corresponding straight-arm 11 of U-shaped frame 2 connects, change the first spring 9, second spring 10 is the most convenient, when the first spring 9, second spring 10 is with when following the string for a long time, change the first spring 9 in time, second spring 10, make the first spring 9, second spring 10 maintains suitable pulling force, respectively by first connecting rod 7, second connecting rod 8 acts on the first pin 3, second pin 4, make the first pin 3, second pin 4 keeps having the trend being reset to downwards bottom corresponding bar-shaped trough 12, so that the detection faces of probe voussoir 1 is held against on the surface of detected pipeline.
In addition; it should be noted that the specific embodiment described in this specification, its each several part title etc. can be different; all equivalences done according to structure, feature and the principle described in this utility model inventional idea or simple change, be all included in the protection domain of this utility model patent.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field; without departing from structure of the present utility model or surmount scope defined in the claims, protection domain of the present utility model all should be belonged to.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620328603.9U CN205581059U (en) | 2016-04-19 | 2016-04-19 | Probe voussoir fixture who is fit for pipeline ultrasonic non -destructive testing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620328603.9U CN205581059U (en) | 2016-04-19 | 2016-04-19 | Probe voussoir fixture who is fit for pipeline ultrasonic non -destructive testing |
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| CN205581059U true CN205581059U (en) | 2016-09-14 |
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| CN201620328603.9U Withdrawn - After Issue CN205581059U (en) | 2016-04-19 | 2016-04-19 | Probe voussoir fixture who is fit for pipeline ultrasonic non -destructive testing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758941A (en) * | 2016-04-19 | 2016-07-13 | 汕头市超声仪器研究所有限公司 | Probe wedge clamping mechanism applicable to ultrasonic nondestructive detection on pipelines |
-
2016
- 2016-04-19 CN CN201620328603.9U patent/CN205581059U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758941A (en) * | 2016-04-19 | 2016-07-13 | 汕头市超声仪器研究所有限公司 | Probe wedge clamping mechanism applicable to ultrasonic nondestructive detection on pipelines |
| CN105758941B (en) * | 2016-04-19 | 2019-01-22 | 汕头市超声仪器研究所有限公司 | A probe wedge clamping mechanism suitable for ultrasonic nondestructive testing of pipelines |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170602 Address after: 515000, Guangdong, Longhu District, Shantou Ji industrial zone, Longjiang road and Mount Everest road junction, northwest area 2, 2 building on the east side Patentee after: Shantou Ultrasonic Testing Technology Co., Ltd. Address before: 515041 No. 77 Jinsha Road, Jinping District, Guangdong, Shantou Patentee before: Shantou Institute of Ultrasonic Instruments Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180731 Address after: 515000 Jinsha Road, Jinping District, Shantou, Guangdong 77 Patentee after: Shantou Institute of Ultrasonic Instruments Co., Ltd. Address before: 515000 Longhu Wanji Industrial Zone, Shantou City, Guangdong Province Patentee before: Shantou Ultrasonic Testing Technology Co., Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160914 Effective date of abandoning: 20190122 |