CN108051127A - A kind of lamp bar push-pull effort test fixture - Google Patents
A kind of lamp bar push-pull effort test fixture Download PDFInfo
- Publication number
- CN108051127A CN108051127A CN201711457397.7A CN201711457397A CN108051127A CN 108051127 A CN108051127 A CN 108051127A CN 201711457397 A CN201711457397 A CN 201711457397A CN 108051127 A CN108051127 A CN 108051127A
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- China
- Prior art keywords
- lamp bar
- push
- pull effort
- grapple
- effort test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- General Physics & Mathematics (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The present invention provides a kind of lamp bar push-pull effort test fixture, including the pedestal being adapted to push-pull effort test equipment, the lantern ring for being arranged on several grapples of the base side and being detachably connected with the pedestal bottom；Lens of several grapples on promptly lamp bar plate, the pulling force perpendicular to lamp bar plate direction is tested by push-pull effort test equipment, the lantern ring is used for the lens being socketed in lamp bar, by push-pull effort test equipment to being tested parallel to the thrust in lamp bar plate direction.Test fixture provided by the invention can be adapted to a variety of push-pull effort test equipments and the perpendicular and parallel push-pull effort on lamp bar plate that hangs down is tested, its simple testing process, test result is accurate, the prior art is efficiently solved when testing the push-pull effort of lamp bar, due to a lack of corresponding test fixture, the technical issues of causing lamp bar horizontal direction push-pull effort test data inaccurate and lamp bar vertical direction push-pull effort can not be tested.
Description
Technical field
The present invention relates to mechanical test field more particularly to a kind of lamp bar push-pull effort test fixtures.
Background technology
For the TV backlight being made of lamp bar, since the lens in lamp bar are by epoxy glue or UV adhesive curings
Bonding is on lamp bar plate, and the glue reliability of different brands is different, the dosage of glue, cured condition, position for dispensing glue, glue
The factors such as the dopant of water can all influence the bondability of lens, so needing to take out the bondability of lens and lamp bar plate
Sample is tested.
In order to which the bondability to lens and lamp bar plate is tested, there are mainly two types of the test equipments used now, and one
Kind is the push-pull effort device of hand-held, and by pointer meters disk or digital-scroll technique, its one end band hook, the other end is that rigidity is straight
Bar.For the thrust of horizontal direction, hand-held push-pull effort device may be employed and tested, but drawback is to be not easily controlled manually
In the horizontal direction, and the cohesive force of lens and lamp bar plate is too big for force direction, inconvenient for operation.For vertical lamp batten direction
Pulling force since no fixture can hold lens, can not be tested.
Another kind is computer control automatically testing platform, and this instrument advantage is the programming of modularization object-oriented, is used
Stepper motor can accurately control measuring distance, easy to operate.Using the mutual grip objects of bolt, but this structure is for lamp bar
Lens push-pull effort tests very inconvenient, the thrust either parallel to lamp bar plate direction, is also perpendicular to lamp bar plate direction
Pulling force can not all be tested.
Current most of producers are all only with the thrust data of hand-held push-pull effort device test lamp bar, yet with manually applying
Force direction is difficult to control, and the accuracy that its precision and peak value dynamics record is caused to have very great fluctuation process, can not accurately be contrasted each
The authenticity of producer's lamp bar push-and-pull force data.Therefore, design it is a can be used for testing lamp bar horizontal direction dynamics, and can be with
Testing the Universal clamp of lamp bar vertical forces degree becomes a kind of inevitable trend.
Therefore, the prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned deficiencies of the prior art, it is an object of the invention to provide a kind of lamp bar push-pull effort test fixture, purports
The prior art is being solved when testing the push-pull effort of lamp bar, due to a lack of corresponding test fixture, lamp bar horizontal direction is being caused to push and pull
The technical issues of power test data is inaccurate and can not test lamp bar vertical direction push-pull effort.
Technical scheme is as follows：
A kind of lamp bar push-pull effort test fixture, wherein, including be adapted to push-pull effort test equipment pedestal, be arranged on the pedestal
Several grapples of side and the lantern ring being detachably connected with the pedestal bottom；Several grapples are for promptly lamp bar plate
Lens, the pulling force perpendicular to lamp bar plate direction is tested by push-pull effort test equipment, the lantern ring is for being socketed lamp
Lens on batten, by push-pull effort test equipment to being tested parallel to the thrust in lamp bar plate direction.
The lamp bar push-pull effort test fixture, wherein, the pedestal includes integrally formed cross structure, circle successively
Cylinder and bottom set threaded threaded post；The push-pull effort test equipment is adapted to the cross structure, the circle
Column side face is equably provided with several grooves identical with grapple quantity, and a shaft, institute are both provided on the groove
State grapple upper end and be both provided with a perforation, the shaft makes grapple be rotated around the shaft through the perforation, the lantern ring and
The threaded post is threadedly coupled.
The lamp bar push-pull effort test fixture, wherein, the cross structure includes integrally formed transverse plate and erects
To plate, there are one draw rings for the vertical plate top fixed setting.
The lamp bar push-pull effort test fixture, wherein, the vertical plate two sides, positioned at the draw ring and transverse plate it
Between position be provided with several sliding slots.
The lamp bar push-pull effort test fixture, wherein, screw thread is both provided on the outside of the cylindrical sides and grapple,
The grapple is fixed in the groove of cylindrical sides by a nut.
The lamp bar push-pull effort test fixture, wherein, the cylinder bottom is additionally provided with several and extends to cylinder
The catch of external side.
The lamp bar push-pull effort test fixture, wherein, it is equably provided in the threaded post identical with grapple quantity
Several hangers, be both provided with a hangers on the inside of the grapple, the hangers in the threaded post passes through a spring and its phase
Hangers on corresponding grapple is connected.
The lamp bar push-pull effort test fixture, wherein, the grapple be " L " type grapple, the long side of " L " the type grapple
Enhancing muscle is additionally provided on outside.
The lamp bar push-pull effort test fixture, wherein, the lantern ring includes what one end was threadedly coupled with the threaded post
The ring set of stock and the lens for being used to be socketed in lamp bar being fixedly connected with the stock other end.
The lamp bar push-pull effort test fixture, wherein, the grapple is provided with 3.
Advantageous effect：The present invention provides a kind of lamp bar push-pull effort test fixture, including being adapted to push-pull effort test equipment
Pedestal, the lantern ring that is arranged on several grapples of the base side and is detachably connected with the pedestal bottom；Work as needs
When testing the pulling force perpendicular to lamp bar plate direction, then fixed light batten, is firmly grasped by several grapples on lamp bar plate
Lens, upward tractive force is applied to the lens, lens is made to be separated with lamp bar plate, are surveyed by push-pull effort test equipment
Obtain the pulling force perpendicular to lamp bar plate direction；When needing to being tested parallel to the thrust in lamp bar plate direction, similary fixed light
Batten is socketed the lens on lamp bar plate by the lantern ring, the lens is applied with upward tractive force, makes lens and lamp bar plate
It separates, the thrust parallel to lamp bar plate direction is measured by push-pull effort test equipment.Test fixture energy provided by the invention
It is enough adapted to a variety of push-pull effort test equipments to test the perpendicular and parallel push-pull effort on lamp bar plate that hangs down, test process letter
Just, test result is accurate, efficiently solves the prior art when testing the push-pull effort of lamp bar, due to a lack of corresponding test fixture,
The technical issues of causing lamp bar horizontal direction push-pull effort test data inaccurate and lamp bar vertical direction push-pull effort can not be tested.
Description of the drawings
Fig. 1 is a kind of structure diagram of lamp bar push-pull effort test fixture preferred embodiment of the present invention.
Fig. 2 is a kind of structure diagram of the pedestal of lamp bar push-pull effort test fixture preferred embodiment of the present invention.
Fig. 3 is that a kind of structure of the grapple preferred embodiment of lamp bar push-pull effort test fixture preferred embodiment of the present invention is shown
It is intended to.
Fig. 4 is that a kind of structure of the lantern ring preferred embodiment of lamp bar push-pull effort test fixture preferred embodiment of the present invention is shown
It is intended to.
Fig. 5 is what a kind of lamp bar push-pull effort test fixture of the present invention tested the pulling force perpendicular to lamp bar plate direction
Usage state diagram.
Fig. 6 is a kind of lamp bar push-pull effort test fixture of the present invention to being tested parallel to the thrust in lamp bar plate direction
Usage state diagram.
Specific embodiment
The present invention provides a kind of lamp bar push-pull effort test fixture, for make the purpose of the present invention, technical solution and effect it is clearer,
Clearly, the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only used to explain this
Invention, is not intended to limit the present invention.
Please refer to Fig.1-Fig. 2 and Fig. 5-Fig. 6, a kind of lamp bar push-pull effort test fixture provided by the invention, including with pushing away
Pull test instrument 01 be adapted to pedestal 10, be arranged on the base side several grapples 20 and can with the pedestal bottom
The lantern ring 30 of dismantling connection；Lens 03 of several grapples 20 on promptly lamp bar plate 02, pass through push-pull effort test equipment
01 pair of pulling force perpendicular to 02 direction of lamp bar plate is tested, and the lantern ring 30 is used for the lens 03 being socketed on lamp bar plate 02, is led to
Push-pull effort test equipment 01 is crossed to being tested parallel to the thrust in 02 direction of lamp bar plate.
Specifically, most of producers when the push-pull effort to lamp bar plate is tested, push and pull only with hand-held at present
Power device tests the thrust data of lamp bar, due to a lack of corresponding test fixture, causes lamp bar horizontal direction push-pull effort test data not
Accurately, lamp bar vertical direction push-pull effort can not also be tested.
In order to solve the above technical problem, the present invention provides a kind of lamp bar push-pull effort test fixture, including with push-pull effort
The pedestal of test equipment adaptation is arranged on several grapples of the base side and is detachably connected with the pedestal bottom
Lantern ring；Grapple for the lens promptly on lamp bar plate, by push-pull effort test equipment to the pulling force perpendicular to lamp bar plate direction into
Row test, lantern ring are used to be socketed lens in lamp bar, by push-pull effort test equipment to the thrust parallel to lamp bar plate direction into
Row test, it is inaccurate so as to solve existing lamp bar push-pull effort testing scheme lamp bar horizontal direction push-pull effort test data, and
The technical issues of lamp bar vertical direction push-pull effort can not being tested.
Further, in the present embodiment, the pedestal 10 includes integrally formed cross structure 40, cylinder successively
50 and bottom threaded threaded post 60 is set；The push-pull effort test equipment is adapted to the cross structure, the circle
Column side face is equably provided with several grooves 70 identical with grapple quantity, and a shaft is both provided on the groove
80, the grapple upper end is both provided with a perforation 90, and the shaft makes grapple be rotated around the shaft through the perforation, described
Lantern ring 30 is threadedly coupled with the threaded post 60.
Specifically, it is provided with to install the groove of grapple on pedestal, the quantity of grapple is identical with the quantity of groove, ditch
The quantity of slot is configured according to the actual needs, at least sets 2, it is preferred that groove is 3, is uniformly distributed in 120 °, together
Reason, the quantity of grapple is also equipped with 3.A shaft is both provided on groove, grapple upper end is both provided with a perforation, turns
Axis makes grapple rotate around the axis through perforation, when testing the pulling force perpendicular to lamp bar plate direction, is firmly grasped by grapple
Lens on lamp bar plate further, capture lens, grapple can outwards rotate a certain angle around the shaft in order to facilitate grapple
So that grapple can smoothly hook lens, the lens are applied with upward tractive force, lens is made to be separated with lamp bar plate,
It is additionally provided with convenient for grapple pivoting arc slope preferably, grapple is provided on one end of perforation, is cut on grapple
One arc slope so that grapple can rotate 30 ° of angular range.
Further, in the present embodiment, the cross structure includes integrally formed transverse plate and vertical plate, described
There are one draw ring 100, the vertical plate two sides, the positions between the draw ring and transverse plate for the fixed setting of vertical plate top
It puts and is additionally provided with several sliding slots 110.
Cross structure in the present invention is used for the clamping of push-pull effort test equipment, can be adapted to three kinds of test equipments, and first
Kind is con-ventional handheld chest expander, will be linked up with through the draw ring on cross structure；Second is plate clamping pulling force
Device, this method of clamping only rely on frictional force and are clamped, the push-pull effort being only used in the range of several kilograms, vertical plate both sides
Face, the position between the draw ring and transverse plate are additionally provided with several sliding slots, and sliding slot quantity is 2 or more, it is preferred that
The quantity of sliding slot sets 3, for anti-skidding increasing friction force, plate clamping chest expander is facilitated to carry out tensile test；The third
It is computer control automatically testing platform, cross structure is positioned over after being fixed in the clamp structure of test platform, controlled
Test platform tests the push-pull effort of lamp bar plate, and the dynamics scope of automatically testing platform test can be to more than ten kilograms.
Further, in the present embodiment, screw thread is both provided on the outside of the cylindrical sides and grapple, passes through a spiral shell
The grapple is fixed in the groove of cylindrical sides by mother 120.
Specifically, cylindrical sides of the invention are provided with screw thread, are provided on the outside of grapple and cylinder screw thread
The screw thread matched somebody with somebody, for grapple in the lens on catching lamp bar plate, the shaft set in cylinder groove is vulnerable to outside pulling force, and
Cause to be broken, shaft is broken in order to prevent, extends the service life of fixture, matched with cylindrical sides screw thread by setting one
Grapple and cylinder are fixed nut, are subject to outside pulling force to mitigate shaft.
Further, in the present embodiment, the cylinder bottom is additionally provided with several and extends on the outside of cylinder
Catch 130.
Cylinder bottom of the present invention is provided with several and extends to catch on the outside of cylinder, is preferably prevented to reach
The effect of the excessive precession of nut, catch at least set 2, it is preferred that the quantity of catch is arranged to 3, in order to make the jail of structure
Gu catch is integrally formed with cylinder pedestal.
Further, in the present embodiment, equably it is provided in the threaded post identical with grapple quantity several
A hangers 140, is both provided with a hangers on the inside of the grapple, and the hangers in the threaded post passes through a spring 150 and its phase
Hangers on corresponding grapple is connected.
Specifically, hangers is provided in threaded post, the quantity of hangers sets 2 or more, it is preferred that the threaded post
3 hangers are evenly arranged in 120 ° around non-threaded regions, the hangers identical with threaded post quantity, bullet are provided on the inside of grapple
Spring for connection between threaded post and grapple, specifically, the both ends of spring respectively in the hangers and grapple in threaded post
Hangers on side is connected, the setting of spring, realizes grapple and is shunk to threaded post central elastic, grapple is more easy to hold lamp bar plate
On lens, prevent lamp bar plate loosen and when grapple does not grab lens, prevent rocking for grapple.
Further, refering to Fig. 3, in the present embodiment, the grapple is " L " type grapple, the long side of " L " the type grapple
Enhancing muscle 160 is additionally provided on outside.
The grapple shape of the present invention can make choice according to the shape of the lens captured, it is preferred that select grabbing for L-type
Hook, the hook foot of L-type grapple is easier to hook the gap between lens and lamp bar plate, and keeps the stabilization between lens and grapple,
In order to improve the service life of grapple, the present invention is also by setting enhancing muscle to enhance the strong of grapple on the outside of grapple long side
Degree.
Further, refering to Fig. 4, in the present embodiment, the lantern ring includes what one end was threadedly coupled with the threaded post
The ring set 180 of stock 170 and the lens for being used to be socketed in lamp bar being fixedly connected with the stock other end.
Specifically, refering to Fig. 5 and Fig. 6, lantern ring of the invention is dismountable, when needs are to perpendicular to lamp bar plate direction
Pulling force when being tested, remove the lantern ring, the lens on lamp bar plate caught to carry out perpendicular to lamp bar plate direction by grapple
Tensile test when needing to being tested parallel to the thrust in lamp bar plate direction, loads onto the lantern ring, lamp bar is entangled by lantern ring
Lens on plate tested parallel to lamp bar plate direction thrust, and lantern ring of the present invention is made of stock and ring set, one end of stock
It is threadedly coupled with the threaded post on pedestal, the stock other end is fixedly connected with the ring set for the lens being useful in socket lamp bar.
In conclusion the present invention provides a kind of lamp bar push-pull effort test fixture, including being adapted to push-pull effort test equipment
Pedestal, the lantern ring that is arranged on several grapples of the base side and is detachably connected with the pedestal bottom；Work as needs
When testing the pulling force perpendicular to lamp bar plate direction, then fixed light batten, is firmly grasped by several grapples on lamp bar plate
Lens, upward tractive force is applied to the lens, lens is made to be separated with lamp bar plate, are surveyed by push-pull effort test equipment
Obtain the pulling force perpendicular to lamp bar plate direction；When needing to being tested parallel to the thrust in lamp bar plate direction, similary fixed light
Batten is socketed the lens on lamp bar plate by the lantern ring, the lens is applied with upward tractive force, makes lens and lamp bar plate
It separates, the thrust parallel to lamp bar plate direction is measured by push-pull effort test equipment.Test fixture energy provided by the invention
It is enough adapted to a variety of push-pull effort test equipments to test the perpendicular and parallel push-pull effort on lamp bar plate that hangs down, test process letter
Just, test result is accurate, efficiently solves the prior art when testing the push-pull effort of lamp bar, due to a lack of corresponding test fixture,
The technical issues of causing lamp bar horizontal direction push-pull effort test data inaccurate and lamp bar vertical direction push-pull effort can not be tested.
It should be appreciated that the application of the present invention is not limited to the above, for those of ordinary skills, Ke Yigen
It is improved or converted according to above description, all these modifications and variations should all belong to the protection model of appended claims of the present invention
It encloses.
Claims (10)
1. a kind of lamp bar push-pull effort test fixture, which is characterized in that including be adapted to push-pull effort test equipment pedestal, be arranged on
Several grapples of the base side and the lantern ring being detachably connected with the pedestal bottom；Several grapples are for promptly
Lens on lamp bar plate test the pulling force perpendicular to lamp bar plate direction by push-pull effort test equipment, and the lantern ring is used
Lens on socket lamp bar plate, by push-pull effort test equipment to being tested parallel to the thrust in lamp bar plate direction.
2. lamp bar push-pull effort test fixture according to claim 1, which is characterized in that the pedestal include successively one into
Cross structure, cylinder and the bottom of type set threaded threaded post；The push-pull effort test equipment and the cross
Frame physical fit, the cylindrical sides are equably provided with several grooves identical with grapple quantity, on the groove
A shaft is provided with, the grapple upper end is both provided with a perforation, and the shaft makes grapple around described turn through the perforation
Axis rotates, and the lantern ring is threadedly coupled with the threaded post.
3. lamp bar push-pull effort test fixture according to claim 2, which is characterized in that the cross structure includes one
Molding transverse plate and vertical plate, there are one draw rings for the vertical plate top fixed setting.
4. lamp bar push-pull effort test fixture according to claim 3, which is characterized in that the vertical plate two sides are located at
Position between the draw ring and transverse plate is provided with several sliding slots.
5. lamp bar push-pull effort test fixture according to claim 2, which is characterized in that the cylindrical sides and grapple
Outside is both provided with screw thread, and the grapple is fixed in the groove of cylindrical sides by a nut.
6. lamp bar push-pull effort test fixture according to claim 5, which is characterized in that the cylinder bottom is additionally provided with
Several extend to the catch on the outside of cylinder.
7. lamp bar push-pull effort test fixture according to claim 2, which is characterized in that equably set in the threaded post
There are several hangers identical with grapple quantity, be both provided with a hangers on the inside of the grapple, the hangers in the threaded post is equal
It is connected by the hangers on the grapple of a spring corresponding thereto.
8. according to any lamp bar push-pull effort test fixtures of claim 1-7, which is characterized in that the grapple is " L " type
Grapple, on the outside of the long side of " L " the type grapple on be additionally provided with enhancing muscle.
9. the lamp bar push-pull effort test fixture according to claim 1-7, which is characterized in that the lantern ring includes one end and institute
State the ring set of the threaded post stock being threadedly coupled and the lens for being used to be socketed in lamp bar being fixedly connected with the stock other end.
10. the lamp bar push-pull effort test fixture according to claim 1-7, which is characterized in that the grapple is provided with 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457397.7A CN108051127B (en) | 2017-12-28 | 2017-12-28 | Push-pull force test fixture for lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457397.7A CN108051127B (en) | 2017-12-28 | 2017-12-28 | Push-pull force test fixture for lamp strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108051127A true CN108051127A (en) | 2018-05-18 |
| CN108051127B CN108051127B (en) | 2020-02-07 |
Family
ID=62128987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711457397.7A Active CN108051127B (en) | 2017-12-28 | 2017-12-28 | Push-pull force test fixture for lamp strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108051127B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757240A (en) * | 2021-11-08 | 2021-12-07 | 龙旗电子(惠州)有限公司 | Terminal pressure maintaining jig and pressure maintaining method |
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| GB1419935A (en) * | 1973-08-07 | 1975-12-31 | Cit Alcatel | Apparatus for checking the tightness of wound connections |
| CN102628776A (en) * | 2012-03-20 | 2012-08-08 | 威力盟电子(苏州)有限公司 | Push-pull effort test machine |
| CN205280498U (en) * | 2015-12-14 | 2016-06-01 | 昆山名威精密工业有限公司 | Limit tester that hard lamp tape welding point of LED was broken |
| CN205910190U (en) * | 2016-08-23 | 2017-01-25 | 西安公路研究院 | Rating of merit test device is kept apart to pitch isolating agent |
| CN107464490A (en) * | 2017-09-11 | 2017-12-12 | 广东省职业病防治院 | Hand-transmitted vibration studies analog machine |
| CN206788010U (en) * | 2017-04-14 | 2017-12-22 | 京东方科技集团股份有限公司 | A kind of propulsion test device |
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2017
- 2017-12-28 CN CN201711457397.7A patent/CN108051127B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1419935A (en) * | 1973-08-07 | 1975-12-31 | Cit Alcatel | Apparatus for checking the tightness of wound connections |
| CN102628776A (en) * | 2012-03-20 | 2012-08-08 | 威力盟电子(苏州)有限公司 | Push-pull effort test machine |
| CN205280498U (en) * | 2015-12-14 | 2016-06-01 | 昆山名威精密工业有限公司 | Limit tester that hard lamp tape welding point of LED was broken |
| CN205910190U (en) * | 2016-08-23 | 2017-01-25 | 西安公路研究院 | Rating of merit test device is kept apart to pitch isolating agent |
| CN206788010U (en) * | 2017-04-14 | 2017-12-22 | 京东方科技集团股份有限公司 | A kind of propulsion test device |
| CN107464490A (en) * | 2017-09-11 | 2017-12-12 | 广东省职业病防治院 | Hand-transmitted vibration studies analog machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113757240A (en) * | 2021-11-08 | 2021-12-07 | 龙旗电子(惠州)有限公司 | Terminal pressure maintaining jig and pressure maintaining method |
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| Publication number | Publication date |
|---|---|
| CN108051127B (en) | 2020-02-07 |
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Effective date of registration: 20200527 Address after: 518057 floor a13-16, tower a, Skyworth building, gaoxinnan 1st Road, Nanshan District, Shenzhen City, Guangdong Province Co-patentee after: NANJING SKYWORTH FLAT PANEL DISPLAY TECHNOLOGY Co.,Ltd. Patentee after: SHENZHEN SKYWORTH-RGB ELECTRONIC Co.,Ltd. Address before: 518052, building 13-16, block A, SKYWORTH tower, Shennan Avenue, Shenzhen, Nanshan District, Guangdong Patentee before: SHENZHEN SKYWORTH-RGB ELECTRONIC Co.,Ltd. |