CN207300738U - Testpieces strength testing device - Google Patents
Testpieces strength testing device Download PDFInfo
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- CN207300738U CN207300738U CN201721208419.1U CN201721208419U CN207300738U CN 207300738 U CN207300738 U CN 207300738U CN 201721208419 U CN201721208419 U CN 201721208419U CN 207300738 U CN207300738 U CN 207300738U
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Abstract
The utility model provides a kind of testpieces strength testing device, including：Rack, has the first side rod and the second side rod opposite and be arranged in parallel；The hanger being arranged in rack, hanger include the first column and the second column being separately positioned on the first side rod and the second side rod, and the crossbeam being erected on the first column and the second column；The pulley mechanism that can be positioned in multiple positions of crossbeam；The strainer of testpieces can be tensioned under multiple predetermined tensile forces, strainer is arranged in rack；Force application apparatus and the first device for measuring force for being connected to force application apparatus；And drawstring, one end of drawstring are connected to the first device for measuring force, the opposite other end of drawstring is through pulley mechanism and is connected to testpieces.The purpose of this utility model is to provide a kind of testpieces strength testing device, so that testpieces in the case where keeping specific tensile, carries out testpieces the stress tension test of a variety of space angles.
Description
Technical field
Aerostatics field is the utility model is related to, more particularly, to testpieces strength testing device.
Background technology
The various soft annexes being welded on aerostatics utricule, are such as tethered at/anchor pulling, gondola binding groove, tear width etc.,
Need to survey sample sample after having produced, carry out strength test, to meet design load requirement.
Thus, a kind of soft annex strength testing device is needed in actual production, soft annex sample can be made to keep specific
In the case of capsule hide power, the stress tension test of spacial multi-angle is carried out to the sample coupon of soft annex, test is more met floating
Force status of the soft annex of pocket in actual application, makes test result relatively reliable.
Utility model content
For problem present in correlation technique, the purpose of this utility model is to provide a kind of testpieces strength test dress
Put, so that testpieces in the case where keeping specific tensile, carries out testpieces the stress tension test of a variety of space angles.
To solve the above problems, on the one hand the utility model provides a kind of testpieces strength testing device, including：Rack,
With the first side rod and the second side rod opposite and be arranged in parallel；The hanger being arranged in rack, hanger include being separately positioned on
The first column and the second column on first side rod and the second side rod, and the horizontal stroke being erected on the first column and the second column
Beam；The pulley mechanism of multiple positions positioning that can be on crossbeam；The tensioning device of testpieces can be tensioned under multiple predetermined tensile forces
Structure, strainer are arranged in rack；Force application apparatus and the first device for measuring force for being connected to force application apparatus；And drawstring, draw
One end of rope is connected to the first device for measuring force, and the opposite other end of drawstring is through pulley mechanism and is connected to testpieces.
According to the utility model, testpieces strength testing device further includes the first hound, the first column and the first side rod
It is hinged, it is provided with the first sliding block that can be positioned in multiple positions of the first side rod on the first side rod, opposite the two of the first hound
End is hinged with the first sliding block and the first column respectively.
According to the utility model, multiple first to be intervally arranged along the length direction of the first side rod are offered on the first side rod
Pin hole, passes through the first sliding block and the first pin hole, so that the first sliding block is positioned at the different positions on the first side rod by the first latch
Put.
According to the utility model, multiple second pin holes being intervally arranged along the length direction of crossbeam are offered on crossbeam, are led to
Cross the second latch and pass through pulley mechanism and the second pin hole, so that pulley mechanism is positioned at the diverse location on crossbeam.
According to the utility model, beam vertical is in the first side rod or the second side rod, and crossbeam is parallel to the first side rod and
The plane that two side rods are formed, and testpieces is arranged in the plane that the first side rod and the second side rod are formed.
According to the utility model, rack further comprise being respectively parallel to the first side rod and the second side rod the first slide and
Second slide, strainer include two first nutted rods being arranged in parallel, and the opposite sides of testpieces is respectively sleeved at two
On first nutted rod, the opposite end of the first nutted rod is slidably connected with the first slide and the second slide respectively, to adjust experiment
Part tensioning degree.
According to the utility model, testpieces strength testing device further includes the second device for measuring force, and the one of the second device for measuring force
End is connected with the first nutted rod, and the opposite other end of the second device for measuring force is threadedly coupled by screw rod with rack, with Adjustment Tests
The pre-tension of part.
According to the utility model, the bottom of the first nutted rod is provided with two sliding parts, and two sliding parts are respectively with first
Slide and the second slide are slidably connected.
According to the utility model, strainer further includes two second nutted rods being arranged in parallel, the second nutted rod and
One nutted rod is mutually perpendicular to, and rack is additionally provided with perpendicular to the first slide and the 3rd slide of the second slide and the 4th slide, the
The both ends of two nutted rods are slidably connected with the 3rd slide and the 4th slide respectively.
According to the utility model, one end of force application apparatus is connected with the first device for measuring force, force application apparatus it is opposite another
End is hinged to rack.
According to the utility model, the first column and the first side rod are located in same perpendicular, the second column and the second side
Bar is located in same perpendicular, and the first column and the second column are formed between the first side rod and the second side rod respectively
Angle is in the range of 0 to 90 °.
The advantageous effects of the utility model are：
In the testpieces strength testing device of the utility model, testpieces can be tensioned and be maintained at more by strainer
Under a predetermined tensile force, then go out a variety of skies of drawstring and testpieces in multiple and different placement configurations of crossbeam by pulley mechanism
Between angle, in the case of a variety of space angles, the resistance to pulling force characteristic of testing experiment part, makes test result more comprehensively may be used
Lean on.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the testpieces strength testing device of the utility model.
Fig. 2 is the schematic side view of the testpieces strength testing device of the utility model.
Fig. 3 is the decomposition diagram of the testpieces strength testing device of the utility model.
Fig. 4 is the partial enlarged view at Fig. 3 coils A.
Fig. 5 be the utility model testpieces strength testing device in the second sliding block schematic perspective view.
Fig. 6 is the flow chart of the testpieces strength test method of the utility model.
Embodiment
The embodiment of the utility model is described in detail referring now to attached drawing.
The apparatus and method of the utility model are directed to the various soft annexes being welded on aerostatics utricule, are such as tethered at/anchor
Pulling, gondola binding groove, tear width etc., need to survey sample sample after having produced, carry out strength test, to meet that design carries
Lotus requires.That is, the testpieces of the utility model can for example be tethered at/anchor pulling, gondola binding groove, it is soft to tear width etc.
Annex.Here pulling refers to the loop ring structures being fixed on the skin material of aerostatics utricule, and above-mentioned soft annex is usually
Flexible material with larger tensile strength, for connecting ground fixed structure or hanging device such as gondola by drawstring, with
The buoyancy of utricule is undertaken to be fixed on ground or suspension hanging device.To ensure aerostatics utricule and hanging device or the company on ground
Reliability is connect, it is necessary to test the maximum pull or specific drawing can be born for being connected to that the soft annex of aerostatics utricule can bear
Can power, the utility model embodiment be simulated to can bear maximum pull to soft annex or bear specified pull forces
The apparatus and method of test.
With reference to Fig. 1, in one embodiment, on the one hand the utility model provides a kind of testpieces strength testing device, wraps
Include：Rack 10, has the first side rod 11 and the second side rod 12 opposite and be arranged in parallel；The hanger 20 being arranged in rack 10,
Hanger 20 includes the first column 21 and the second column 22 being separately positioned on the first side rod 11 and the second side rod 12, and sets up
Crossbeam 23 on the first column 21 and the second column 22；The pulley mechanism 30 that can be positioned in multiple positions of crossbeam 23；Can be
The strainer 50 of testpieces 40 is tensioned under multiple predetermined tensile forces, strainer 50 is arranged in rack 10；Force application apparatus 62
And it is connected to the first device for measuring force 60 of force application apparatus 62；And drawstring 61, one end of drawstring 61 are connected to the first dynamometry dress
60 are put, the opposite other end of drawstring 61 is through pulley mechanism 30 and is connected to testpieces 40.It is strong in the testpieces of the utility model
Spend in test device, testpieces 40 can be tensioned and be maintained under multiple predetermined tensile forces by strainer 50, then pass through cunning
Wheel mechanism 30 goes out a variety of space angles of drawstring 61 and testpieces 40 in multiple and different placement configurations of crossbeam 23, in a variety of skies
Between in the case of angle, the resistance to pulling force characteristic of testing experiment part 40, makes test result more comprehensively reliable.
Referring to Figures 1 and 2, in one embodiment, testpieces strength testing device further includes the first hound 13, and first
21 and first side rod 11 of column is hinged, and can be positioned in multiple positions of the first side rod 11 first is provided with the first side rod 11 and is slided
Block 16, the opposite end of the first hound 13 are hinged with the first sliding block 16 and the first column 21 respectively.By hinged mode,
One column 21 can be rotated relative to the first side rod 11, and the first hound 13 also can be relative to 21 turns of the first sliding block 16 and the first column
It is dynamic, so as to neatly change the angle β sizes between the first column 21 and the first side rod 11.
With reference to Fig. 1, in one embodiment, the first column 21 and the first side rod 11 are located in same perpendicular, and second
22 and second side rod 12 of column is located in same perpendicular, and the first column 21 and the second column 22 respectively with the first side rod
11 and second the angle β formed between side rod 12 in the range of 0 to 90 °.In this embodiment, testpieces 40 is being tested
After the resistance to pulling force characteristic of side, testpieces 40 can be disassembled from strainer 50, in the plane internal rotation of its tensioning
It is tensioned again after 180 °, so that the resistance to pulling force characteristic of the opposite side of testing experiment part 40.It would certainly understand from, can be with other embodiment
Realize that angle β can change in the range of 0 to 180 ° by increasing sliding scale of first sliding block 16 on the first side rod 11,
Testpieces need not be dismantled and exchange re-test behind orientation.
With reference to Fig. 2, in one embodiment, the length direction interval row along the first side rod 11 is offered on the first side rod 11
Multiple first pin holes 14 of cloth, the first sliding block 16 and the first pin hole 14 are passed through by the first latch 15, so that the first sliding block 16 is fixed
Diverse location of the position on the first side rod 11.Specifically, the first sliding block 16 also offer with 14 corresponding through hole of the first pin hole,
Positioning of first latch 15 realizing the first sliding block 16 by way of the through hole and the first pin hole 14.As it can be seen that in the implementation
In example, positioning of first sliding block 16 on the first side rod 11 is discontinuous, but discrete interval, only specific or need
Position positioning.It should be appreciated that in other embodiments, it can realize the first sliding block by way of fixture or clamp-type bolt
16 consecutive tracking on the first side rod 11.
In one embodiment, similarly, similar diagonal brace can also be set between the second side rod 12 and the second column 22
Bar, sliding block, pin hole and articulated structure, with 21 synchronous rotary of real second column 22 and the first column, the function of positioning.
With reference to Fig. 1 and Fig. 3, in one embodiment, offer on crossbeam 23 and be intervally arranged along the length direction of crossbeam 23
Multiple second pin holes 24,30 and second pin hole 24 of pulley mechanism is passed through by the second latch 31, so that pulley mechanism 30 positions
Multiple and different positions on crossbeam 23.Wherein, pulley mechanism 30 includes stent and the fixed pulley being arranged on stent, and branch is set up
Put on crossbeam 23 and can be moved along crossbeam 23, stent by the second latch 31 be positioned at one in multiple second pin holes 24 or
On two, fixed pulley has groove, and drawstring 61 accommodates in a groove, and during drawstring 61 is pulled, fixed pulley is with drawstring
Rotate.Similarly, pulley mechanism 30 on crossbeam 23 positioning can as positioning of first sliding block 16 on the first side rod 11 that
Sample, configures various embodiments, details are not described herein.Pass through different positioning of the pulley mechanism 30 on crossbeam 23, pulley mechanism 30
The angle α between 23 place horizontal plane of drawstring 61 and crossbeam between testpieces 40 can change in the range of 0 to 90 °, with
Realize the purpose of the resistance to pulling force characteristic of testing experiment part in the case of a variety of space angles.
Referring to figs. 1 to Fig. 3, in preferred embodiment, crossbeam 23 is perpendicular to the first side rod 11 or the second side rod 12, and crossbeam
23 planes formed parallel to the first side rod 11 and the second side rod 12, and testpieces 40 is arranged on the first side rod 11 and second
In the plane that side rod 12 is formed.Position configures in this way, and drawstring 61 can apply with testpieces into each testpieces 40
The pulling force of angle, so as to fulfill the purpose of the resistance to pulling force characteristic of testing experiment part in the case of a variety of space angles.
Referring to figs. 1 to Fig. 4, in one embodiment, rack 10 further comprises being respectively parallel to the first side rod 11 and
The first slide 17 and the second slide 18 of two side rods 12, strainer 50 include two first nutted rods 51 being arranged in parallel, examination
The opposite sides for testing part 40 is respectively sleeved on two first nutted rods 51, and the opposite end of the first nutted rod 51 is respectively with first
17 and second slide 18 of slide is slidably connected, to adjust 40 tensioning degree of testpieces.
Testpieces strength testing device further includes the second device for measuring force 70, rack include respectively with the first side rod 11 and second
Side rod 12 is vertical and the 3rd side rod and the 4th side rod of connection, and two first nutted rods 51 respectively with the 3rd side rod and the 4th side
Bar is parallel, and one end of the second device for measuring force 70 is connected with the first nutted rod 51, and the opposite other end of the second device for measuring force 70 passes through
Screw rod 57 is threadedly coupled with the 3rd side rod of rack 10 and the 4th side rod, with the pre-tension of Adjustment Tests part 40, first
The bottom of tight bar 51 is provided with two sliding parts 53, and two sliding parts 53 are slided with the first slide 17 and the second slide 18 respectively to be connected
Connect.Specifically, the first slide 17 and the second slide 18 have the sliding slot 54 for being used for storing sliding part 53 respectively, and for hindering
Sliding part 53 is kept off from sliding slot 54 along the overhead gage 56 deviate from perpendicular to the direction of side rod.Two first nutted rods 51 pass through respectively
Two screw rods 57 are connected with the 3rd side rod and the 4th side rod, and screw rod 57 passes through logical on the 3rd side rod and the 4th side rod of rack 10
Hole, is then threaded on the 3rd side rod and the 4th side rod by nut 59, passes through position of the adjusting nut 59 on screw rod 57
Put, tensile force of two first nutted rods 51 to testpieces 40 can be adjusted, until the second device for measuring force 70 shows predetermined
Clamp force, can stop adjusting the nut 59.The setting of overhead gage 56 is only prolonged to limit the first nutted rod 51 along slide 17,18
Stretch the freedom of motion of the single direction in direction, testpieces 40 be subject to perpendicular to slide 17,18 extending directions pulling force when, it is sliding
Dynamic portion 53 is contacted with overhead gage 56, limits freedom of motion in this direction, and preferably overhead gage 56 has carried out thickening processing,
To prevent strong destruction.
In a preferred embodiment, testpieces 40 is configured to square, and the surrounding of testpieces 40 is provided with four draw rings 41, makes
After the draw ring 41 that 40 surrounding of testpieces is passed through with connecting rod 58, the both ends through hole that connecting rod 58 is then passed through the first nutted rod 51 carries out
Connection.It should be appreciated that testpieces 40 is also configured as other shapes, such as circle, polygon, irregular shape etc., accordingly
Ground sets the shape and quantity of the first nutted rod 51 or connecting rod 58 to realize tensioning.
With continued reference to Fig. 1 to Fig. 4, in one embodiment, strainer 50 further includes two second to be arranged in parallel
Tight bar 52, two second nutted rods 52 are parallel to each other with the first side rod 11 and the second side rod 12 respectively, the second nutted rod 52 and the
One nutted rod 51 is mutually perpendicular to, and rack 10 is additionally provided with the 3rd for being respectively perpendicular and intersecting with the first slide 17 and the second slide 18 and slides
19 and the 4th slide 191 of rail, the both ends of the second nutted rod 52 are slidably connected with the 3rd slide 19 and the 4th slide 191 respectively.The
Two nutted rods 52, the 3rd slide 19 and the 4th slide 191 have and the first nutted rod 51, the first slide 17 and the second slide respectively
18 identical structures, it is same to realize the horizontal function of sliding.
With reference to Fig. 1, it is preferable that one end of force application apparatus 62 is connected with the first device for measuring force 60, force application apparatus 62 it is opposite
The other end be hinged on the side rod of rack 10.Force application apparatus 62 can be chain block or motor.Alternatively, force application apparatus 62
Also can be fixed to elsewhere.
With reference to Fig. 5, in a preferred embodiment, in order to reduce the frictional force between sliding part 53 and sliding slot 54, Ke Yi
Multiple rollers 55 are set on sliding part 53, and sliding part 53 is configured to the structure of similar trolley with multiple rollers 55, by sliding part 53
Sliding friction is changed to rolling friction between sliding slot 54 so that sliding part 53 run it is more smooth.Multiple 55 support of roller tensionings
Bar is moved along the extending direction of slide, so makes operating process more easily easy.
With reference to Fig. 6, the another aspect offer of the utility model is a kind of to be carried out using above-mentioned testpieces strength testing device
Testpieces strength test method, method includes the following steps：
Testpieces 40, is stretched on strainer 50 by S10 by one in multiple predetermined tensile forces；
S20, pulley mechanism 30 is adjusted to the precalculated position on crossbeam 23；
S30, applies pulling force by force application apparatus 62 on drawstring 61, and reads the reading on the first device for measuring force 70.
Precalculated position herein is the position needed according to test on crossbeam 23 set in advance.
Preferably, in step s 30, when testpieces ruptures, test is stopped.Wherein, when testpieces 40 ruptures, record
Reading on first device for measuring force 60.
According to the utility model, step S20 is further included, by the angle formed between the first column and the first side rod and second
The angle formed between column and the second side rod is separately adjusted to angularly predetermined angular.Predetermined angular herein is needed in advance according to test
The first column 21 and the angle of the first side rod 11 first set.
Exemplarily, the workflow of the test device of the utility model is as follows：
1. testpieces 40 to be placed on to the center of rack 10, four that four connecting rods 58 are each passed through testpieces 40 are taken out
Draw ring 41, penetrates in the both ends through hole of nutted rod, realizes and fixes, and the screw rod 57 that adjustment four is connected with the second device for measuring force 70 will
40 surrounding of testpieces is tensioned, and 40 tensile force size of testpieces is measured by the second device for measuring force 70.
2. adjusting the fixed position on crossbeam 23 of pulley mechanism 30, the angle α of drawstring 61 and crossbeam 23 is adjusted, adjusts first
The position on the first side rod 11 of sliding block 13, changes the angle β of the first column 21 and the first side rod 11, can adjust drawstring 61 and stretch
Angle.
3. force application apparatus 62 is tensioned drawstring 61, and then applies pulling force to testpieces 40, surveyed by the first device for measuring force 60
Obtain drawing force size.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (11)
- A kind of 1. testpieces strength testing device, it is characterised in that including：Rack, has the first side rod and the second side rod opposite and be arranged in parallel；The hanger being arranged in the rack, the hanger include being separately positioned on first side rod and second side rod The first column and the second column, and the crossbeam being erected on first column and second column；Can be in the pulley mechanism of multiple positions positioning on the crossbeam；The strainer of testpieces can be tensioned under multiple predetermined tensile forces, the strainer is arranged in the rack；Force application apparatus and the first device for measuring force for being connected to the force application apparatus；AndDrawstring, one end of the drawstring are connected to first device for measuring force, and the opposite other end of the drawstring passes through the cunning Wheel mechanism is simultaneously connected to the testpieces.
- 2. testpieces strength testing device according to claim 1, it is characterised in that the testpieces strength testing device The first hound is further included, first column is hinged with first side rod, and being provided with first side rod can be described First sliding block of multiple positions positioning of the first side rod, the opposite end of first hound respectively with first sliding block and First column is hinged.
- 3. testpieces strength testing device according to claim 2, it is characterised in that offer edge on first side rod Multiple first pin holes that the length direction of first side rod is intervally arranged, first sliding block and institute are passed through by the first latch The first pin hole is stated, so that first sliding block is positioned at the diverse location on first side rod.
- 4. testpieces strength testing device according to claim 1, it is characterised in that offered on the crossbeam along described Multiple second pin holes that the length direction of crossbeam is intervally arranged, are sold by the second latch through the pulley mechanism and described second Hole, so that the pulley mechanism is positioned at the diverse location on the crossbeam.
- 5. testpieces strength testing device according to claim 1, it is characterised in that the beam vertical is in described first Side rod or second side rod, and the plane that the crossbeam is formed parallel to first side rod and second side rod, and And the testpieces is arranged in the plane that first side rod and second side rod are formed.
- 6. testpieces strength testing device according to claim 1, it is characterised in that the rack further comprises distinguishing Parallel to first side rod and the first slide and the second slide of second side rod, the strainer includes being arranged in parallel Two first nutted rods, the opposite sides of the testpieces is respectively sleeved on two first nutted rods, described first The opposite end of nutted rod is slidably connected with first slide and the second slide respectively, to adjust testpieces tensioning degree.
- 7. testpieces strength testing device according to claim 6, it is characterised in that the testpieces strength testing device The second device for measuring force is further included, one end of second device for measuring force is connected with first nutted rod, the second dynamometry dress Put the opposite other end to be threadedly coupled with the rack by screw rod, to adjust the pre-tension of the testpieces.
- 8. testpieces strength testing device according to claim 6, it is characterised in that the bottom of first nutted rod is set Two sliding parts are equipped with, described two sliding parts are slidably connected with first slide and second slide respectively.
- 9. testpieces strength testing device according to claim 6, it is characterised in that the strainer further includes parallel Two second nutted rods set, second nutted rod are mutually perpendicular to first nutted rod, and the rack is additionally provided with Perpendicular to first slide and the 3rd slide of the second slide and the 4th slide, the both ends of second nutted rod respectively with institute State the 3rd slide and the 4th slide is slidably connected.
- 10. testpieces strength testing device according to claim 1, it is characterised in that one end of the force application apparatus with The first device for measuring force connection, the opposite other end of the force application apparatus are hinged to the rack.
- 11. testpieces strength testing device according to claim 1, it is characterised in that first column and described the One side rod is located in same perpendicular, and second column is located in same perpendicular with second side rod, and institute State angle that the first column and second column formed between first side rod and second side rod respectively 0 to In the range of 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721208419.1U CN207300738U (en) | 2017-09-20 | 2017-09-20 | Testpieces strength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721208419.1U CN207300738U (en) | 2017-09-20 | 2017-09-20 | Testpieces strength testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207300738U true CN207300738U (en) | 2018-05-01 |
Family
ID=62442234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721208419.1U Active CN207300738U (en) | 2017-09-20 | 2017-09-20 | Testpieces strength testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732019A (en) * | 2018-07-16 | 2018-11-02 | 江苏省特种设备安全监督检验研究院 | Puller system step-up system |
| CN109444323A (en) * | 2018-10-31 | 2019-03-08 | 芜湖顺成电子有限公司 | The combustibility test box of electric wire |
| CN109507020A (en) * | 2017-09-20 | 2019-03-22 | 东莞前沿技术研究院 | Testpieces strength testing device and testpieces strength test method |
-
2017
- 2017-09-20 CN CN201721208419.1U patent/CN207300738U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507020A (en) * | 2017-09-20 | 2019-03-22 | 东莞前沿技术研究院 | Testpieces strength testing device and testpieces strength test method |
| CN108732019A (en) * | 2018-07-16 | 2018-11-02 | 江苏省特种设备安全监督检验研究院 | Puller system step-up system |
| CN109444323A (en) * | 2018-10-31 | 2019-03-08 | 芜湖顺成电子有限公司 | The combustibility test box of electric wire |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230803 Address after: Room 501, Building D2, Songshan Lake International Innovation and Entrepreneurship Community, Songshan Lake High tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Dongguan Institute of Science and Technology Innovation Address before: Room 502, Floor 5, Building 1, Innovation Science Park, Songshan Lake High tech Industrial Development Zone, Dongguan, Guangdong 523000 Patentee before: DONGGUAN FRONTIER TECHNOLOGY INSTITUTE |
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