CN209400332U - Concrete pressure testing machine - Google Patents
Concrete pressure testing machine Download PDFInfo
- Publication number
- CN209400332U CN209400332U CN201822082508.7U CN201822082508U CN209400332U CN 209400332 U CN209400332 U CN 209400332U CN 201822082508 U CN201822082508 U CN 201822082508U CN 209400332 U CN209400332 U CN 209400332U
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- China
- Prior art keywords
- receiver
- pressure testing
- inlet orifice
- testing machine
- concrete
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- 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.)
- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000015271 coagulation Effects 0.000 claims abstract description 6
- 238000005345 coagulation Methods 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 18
- 238000004140 cleaning Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 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 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a kind of concrete pressure testing machines, belong to concrete test Instrument technology field, the main points of its technical scheme are that including workbench, bottom platen on the table is set, the driving mechanism that upper holder and driving bottom platen right above bottom platen are moved in vertical direction, frame body is fixed on the workbench, the upper holder is fixedly connected with frame body, coagulation pressure testing machine further includes material receiving mechanism, the material receiving mechanism includes being located at bottom platen lower part receiver, the receiver side side therein offers inlet orifice, the receiver side wall of the two sides of the inlet orifice is rotatablely connected around horizontal axis and frame body；It is inconvenient to solve the problems, such as that existing concrete pressure testing machine cleans the concrete residue generated after pressure testing；Conveniently the concrete residue after progress pressure testing can be cleaned.
Description
Technical field
The utility model relates to concrete to test Instrument technology field, more particularly, to a kind of concrete pressure testing machine.
Background technique
Concrete pressure testing machine is the press device for testing the construction materials test block pressure resistance intensity such as concrete.Coagulation
Lower platen, the top board above lower platen and the driving pushing that soil pressure calculation machine includes rack, is arranged on the rack
The driving mechanism that plate is moved in the vertical direction.When testing concrete test block, concrete test block is placed on
On lower platen, lower platen is driven to be moved upwards by driving mechanism, and then mixed between top board and lower platen to being placed in
Solidifying soil test block is squeezed.
Authorization Notice No. is that the Chinese utility model patent application text of CN206740526U discloses a kind of concrete pressure
Testing machine, including pedestal, the pedestal and pressure-bearing platform, the test offered on the pressure-bearing platform for placing concrete test block are empty
Chamber, the test cavity bottom are provided with pressing disc, are provided with platen above the test cavity, are arranged on the upper platen
There is the oil cylinder of its pushing of driving, the pressing disc is provided with internal cavity as on pressure-bearing platform, the pressure-bearing platform is corresponded at pressing disc,
The pushing pan bottom is hinged with follower lever, and the actuator of its lifting of driving is provided on the follower lever, is equipped on pedestal
External collecting box can be collected four scattered fragments.
Above-mentioned concrete pressure testing machine on pedestal by being arranged collecting box, and then to downward when carrying out pressure testing
The concrete residue being scattered is collected, but when being cleaned, still using cleaning devices such as hairbrush in collecting box
Concrete residue is assembled, and then is received into cell therefor and is cleared up, inconvenient.
Utility model content
The purpose of the utility model is to provide a kind of concrete pressure testing machines, can be conveniently to progress pressure examination
Concrete residue after testing is cleaned.
The above-mentioned purpose of utility model of the utility model has the technical scheme that a kind of coagulation soil pressure
Force tester, including under workbench, the bottom platen of setting on the table, the upper holder right above bottom platen and driving
It presents a theatrical performance as the last item on a programme the driving mechanism moved in vertical direction, frame body is fixed on the workbench, the upper holder is fixed with frame body
Connection, concrete pressure testing machine further includes material receiving mechanism, and the material receiving mechanism includes being located at bottom platen lower part receiver, described
Receiver side side therein offers inlet orifice, and the receiver side wall of the two sides of the inlet orifice is around horizontal axis and frame body
Rotation connection.
By using above-mentioned technical proposal, concrete pressure testing machine includes workbench, the pushing of setting on the table
The driving mechanism that platform, the upper holder right above bottom platen and driving bottom platen are moved in vertical direction, workbench
On be fixed with frame body, upper holder is fixedly connected with frame body, and concrete pressure testing machine further includes material receiving mechanism, and material receiving mechanism includes
Positioned at bottom platen lower part receiver, receiver side side therein offers inlet orifice, the receiver side of the two sides of inlet orifice
Wall is rotatablely connected around horizontal axis and frame body；After completing pressure testing to concrete blocks, by the concrete residue on bottom platen
It is swept on receiver, receiver is rotated around it into tie point and is rotated, and then tilted using receiver towards inlet orifice side
Downwards, the material in receiver remittance under gravity, is assembled, and then conveniently to the waste material in receiver to inlet orifice
Carry out cleaning treatment.
The utility model is further arranged to: the setting length direction of the two sides of the inlet orifice is along receiver thickness direction
Switch slot；Material receiving mechanism further includes the batch turning door being sealed to inlet orifice, the batch turning door along switch slot length direction with
Switch slot is slidably connected.
By using above-mentioned technical proposal, length direction is arranged along the switch of receiver thickness direction in the two sides of inlet orifice
Slot；Material receiving mechanism further includes the batch turning door being sealed to inlet orifice, and batch turning door is along switch slot length direction and switch slot sliding
Connection；Inlet orifice is closed by batch turning door, to prevent when being accepted using receiver to concrete waste material, is mixed
Solidifying soil waste material is deviate from from inlet orifice；When toppling over the waste material in receiver, by sliding batch turning door for inlet orifice
It opens, pours out waste material from inlet orifice to facilitate.
The utility model is further arranged to: the material receiving mechanism further includes collecting box, and the collection upper box part is provided with
Opening, the collecting box are located at the lower section of inlet orifice side.
By using above-mentioned technical proposal, material receiving mechanism further includes collecting box, collects upper box part and is provided with opening, collecting box
Positioned at the lower section of inlet orifice side, when clearing up the scrap in receiver, by rotating around it tie point to receiver
It is rotated, waste material is poured out from inlet orifice, is poured into collecting box, and then be conveniently collected and incline to the waste material in receiver
?.
The utility model is further arranged to: the receiver side wall of the two sides of the inlet orifice is fixed with horizontal shaft；
The shaft is rotatablely connected around horizontal axis and frame body；The side of the frame body is provided with driving motor；The driving motor
Body is fixedly connected with frame body；The output shaft of the driving motor is fixedly connected with shaft.
By using above-mentioned technical proposal, the receiver side wall of the two sides of inlet orifice is fixed with horizontal shaft；Shaft around
Horizontal axis and frame body are rotatablely connected；The side of frame body is provided with driving motor；The body of driving motor is fixedly connected with frame body；
The output shaft of driving motor is fixedly connected with shaft, drives receiver to be rotated around the shaft by driving motor, and then can
Conveniently the waste material in receiver is toppled over.
The utility model is further arranged to: the material receiving mechanism further includes shield, and the shield is socketed in pushing
It platform lower part and is fixedly connected with upper holder.
By using above-mentioned technical proposal, material receiving mechanism further includes shield, shield be socketed in bottom platen lower part and
It is fixedly connected, is obstructed by the flying chip row that the setting of shield generates concrete blocks in test, Jin Erfei with upper holder
Bits collide with shield, lose kinetic energy and fall to downwards in receiver disk, and then can reduce and carry out pressure testing
When concrete residue scrap, it is convenient that waste material is collected.
The utility model is further arranged to: the material receiving mechanism further includes slide tray, and the slide tray is along batch turning
Mouth direction is slidably connected with receiver.
By using above-mentioned technical proposal, material receiving mechanism further includes slide tray, and slide tray is along slide tray along batch turning
Mouth direction is slidably connected with receiver, and then by sliding to slide tray, can adjust waste material in receiver
Topple over distance, and then conveniently the waste material in receiver is carried out to topple over processing, reduces scattering for waste material.
The utility model is further arranged to: the discharge end of the slide tray is provided with by two lateral sliding of slide tray
Close poly- material wall is carried out in the middle part of pallet.
By using above-mentioned technical proposal, the discharge end of slide tray is provided with from two side of slide tray into slide tray
Portion carries out close poly- material wall, holds that the material in receiver more when rotating to receiver by the setting of poly- material wall
The row aggregation easily into collecting box, so that convenient carry out the concrete residue in receiver to pour out cleaning, coagulation is being toppled in reduction
When native residue, concrete residue is fallen to outside collecting box.
The utility model is further arranged to: cunning of the splicing pan bottom setting length direction along inlet orifice direction
Slot；The slide tray is fixed with the sliding rail that length direction along the chute and sliding slot are slidably connected；The slide tray side setting
There is the link slot along sliding rail length direction, the side wall of the receiver is provided with through link slot and is threadedly coupled with receiver
Fixing bolt, the head of the fixing bolt abuts fixation with slide tray.
By using above-mentioned technical proposal, length direction is arranged along the sliding slot of inlet orifice direction in splicing pan bottom；It is sliding
Dynamic pallet is fixed with along the sliding rail being slidably connected to track length direction and sliding slot；It is solid that slide tray side is provided with fixing bolt
Determine bolt to be threadedly coupled with slide tray and abut with receiver, slide tray is realized by the cooperation of sliding slot and sliding rail
Slide tray and receiver are slidably connected, and are attached fixation by fixing bolt, and then unclamp fixing bolt, just can
Slidable adjustment is carried out to slide tray, tightens fixing bolt, and then slide tray and receiver are fixed, it is easy to operate fast
It is prompt.
In conclusion the advantageous effects of the utility model are as follows:
1. concrete pressure testing machine further includes material receiving mechanism, material receiving mechanism includes being located at bottom platen lower part receiver and receipts
Header, receiver side side therein offer inlet orifice, and the receiver side wall of the two sides of inlet orifice is around horizontal axis and frame
Body rotation connection；It collects upper box part and is provided with opening, collecting box is located at the lower section of inlet orifice side, completes to press to concrete blocks
After power test, the concrete residue on bottom platen is swept on receiver, receiver is rotated around it into tie point and is rotated,
And then using receiver towards inlet orifice side diagonally downward, receiver converge in material under gravity, to inlet orifice into
Row aggregation, and then cleaning treatment conveniently is carried out to the waste material in receiver；
2. material receiving mechanism further includes shield, shield is socketed in bottom platen lower part and is fixedly connected with upper holder, leads to
The flying chip row barrier that the setting of shield generates concrete blocks in test is crossed, and then flying chip collides with shield,
It loses kinetic energy and falls to downwards in receiver disk, and then the scrap of the concrete residue when carrying out pressure testing can be reduced,
It is convenient that waste material is collected；
3. material receiving mechanism further includes slide tray, slide tray is sliding along inlet orifice direction and receiver along slide tray
Dynamic connection, and then by sliding to slide tray, can adjust waste material in receiver topples over distance, and then facilitates docking
Waste material in charging tray carries out toppling over processing, reduces scattering for waste material.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of concrete pressure testing machine；
Fig. 2 is the structural schematic diagram of collecting box；
Fig. 3 is the structural schematic diagram for embodying the connection relationship of receiver and slide tray；
Fig. 4 is the structural schematic diagram of receiver.
In figure, 1, workbench；11, frame body；12, hanging rod；2, bottom platen；3, upper holder；4, driving mechanism；41, liquid is driven
Cylinder pressure；42, rubber ring；5, material receiving mechanism；51, receiver；511, inlet orifice；512, slot is switched；513, batch turning door；514, turn
Axis；515, sliding slot；52, slide tray；521, fixing bolt；522, link slot；523, sliding rail；524, gather material wall；53, batch turning
Door；53, collecting box；531, it links up with；54, shield；55, driving motor.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, a kind of concrete pressure testing machine, including workbench 1, upper holder 3, bottom platen 2 and driving mechanism
4.Driving mechanism 4 includes driving hydraulic cylinder 41, and driving hydraulic cylinder 41 is vertically arranged, the cylinder body and workbench 1 of driving hydraulic cylinder 41
It is fixedly connected, bottom platen 2 is fixed on the piston rod end of driving hydraulic cylinder 41.Frame body 11, upper holder 3 are fixed on workbench 1
Positioned at bottom platen 2 surface and be fixedly connected with frame body 11.The concrete test block for carrying out concrete pressure test is placed
Upper holder 3 is driven to be moved upwards on bottom platen 2, and then through driving hydraulic cylinder 41, to carry out to concrete test block
Pressure testing.
Referring to Fig.1, concrete pressure testing machine further includes material receiving mechanism 5, and material receiving mechanism 5 is used to test concrete pressure
The waste material of generation is collected, and then is conveniently cleaned after the completion of test to concrete pressure testing machine.Material receiving mechanism 5 wraps
Include shield 54, receiver 51 and collecting box 53.Receiver 51 is located at the lower section of bottom platen 2, the side side therein of receiver 51
Face offers inlet orifice 511, and 51 side wall of receiver and frame body 11 of the two sides of inlet orifice 511 are rotatablely connected.Driving hydraulic cylinder 41
Piston rod run through receiver 51 vertically, receiver 51 is arranged with rubber flexible between the piston rod of driving hydraulic cylinder 41
Circle 42, rubber ring 42 is fixedly connected with receiver 51.It is largely fallen by the setting of receiver 51 when carrying out pressure testing
It is accepted to the residue of workbench 1, after completing to the pressure testing of coagulation test block, by the concrete residue on bottom platen 2
It sweeps in receiver 51, and then by rotation receiver 51, topples over residue from inlet orifice 511, and then can be quickly to residual
Slag is collected processing.By rubber ring 42, reduces residue and revealed from driving hydraulic cylinder 41 and 51 junction of receiver, rubber ring
42 have flexibility, generate plastic deformation when rotating receiver 51 to adapt to the rotation of receiver 51.
Referring to Figures 1 and 2,51 side wall of receiver of the two sides of inlet orifice 511 is fixed with horizontal shaft 514；Shaft 514
It is rotatablely connected around horizontal axis and frame body 11.The side of frame body 11 is provided with driving motor 55.The body and frame of driving motor 55
Body 11 is fixedly connected；The output shaft of driving motor 55 is fixedly connected with shaft 514.Shield 54 is socketed in 2 lower part of bottom platen simultaneously
And it is fixedly connected with upper holder 3.Collecting box 53 is located at the lower section of 511 side of inlet orifice, and 53 top of collecting box is provided with opening.Work
Make the intrinsic horizontal hanging rod 12 of side wall of platform 1, the side wall of collecting box 53 is fixed with hook 531, by linking up with 531 for collecting box 53
It is hooked on hanging rod 12.When carrying out pressure testing to concrete test block, flying chip that concrete test block generates when broken is towards four
It is collided when week splashes on shield 54, and then loses kinetic energy and fall to receiver 51.After completing pressure testing, it will remain in
Concrete residue is swept on receiver 51 on bottom platen 2, so by driving motor 55 drive 51 shape shaft 514 of receiver into
Row rotation, so that concrete test block residue is poured into collecting box 53, into conveniently completing to concrete test block residue
Cleaning.
Referring to Figure 1 and Figure 3, switch slot of the setting length direction of the two sides of inlet orifice 511 along 51 thickness direction of receiver
512；Material receiving mechanism 5 further includes the batch turning door 513 being sealed to inlet orifice 511, and batch turning door 513 is along switch 512 length side of slot
It is slidably connected to switch slot 512.
Referring to 3 and Fig. 4, material receiving mechanism 5 further includes slide tray 52, and length direction is arranged along inlet orifice in 51 bottom of receiver
The sliding slot 515 of 511 directions, slide tray 52 are fixed with along the cunning being slidably connected to 515 length direction of sliding slot and sliding slot 515
Rail 523.By being slidably matched for sliding slot 515 and sliding rail 523, and then realize slide tray 52 along towards 511 direction of inlet orifice
Sliding function.52 side of slide tray is provided with the link slot 522 along 523 length direction of sliding rail, the side wall setting of receiver 51
There is the fixing bolt 521 for running through link slot 522 and being threadedly coupled with receiver 51, the head of fixing bolt 521 and sliding are held in the palm
Disk 52, which abuts, to be fixed.The discharge end of slide tray 52 be provided in the middle part of from 52 liang of sides of slide tray to slide tray 52 carry out it is close
Poly- material wall 524, hold that the material in receiver 51 more when rotating to receiver 51 by the setting of poly- material wall 524
The row aggregation easily into collecting box 53, so that convenient carry out the concrete residue in receiver 51 to pour out cleaning, reduction is being toppled over
When concrete residue, concrete residue is fallen to outside collecting box 53.
The implementation principle of the present embodiment are as follows:
When carrying out pressure testing to concrete test block, the flying chip of generation loses dynamic with the peripheral wall generation collision of shield 54
Can and fall on receiver 51.After having carried out pressure testing, the concrete residue on bottom platen 2 is swept into receiver 51
In.By driving motor 55 drive receiver 51 rotated, make receiver 51 towards 511 direction of inlet orifice diagonally downward.In weight
Under the action of power and poly- material wall 524, the concrete residue in receiver 51 collects to inlet orifice 511.Fixing bolt 521 is unclamped,
Slide tray 52 is adjusted, the residue in receiver 51 is enable suitably to topple in collecting box 53.Sliding opening batch turning
Door 513, and then the concrete residue in receiver 51 is poured into collecting box 53.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of concrete pressure testing machine, including workbench (1), setting on workbench (1) bottom platen (2), be located under
Present a theatrical performance as the last item on a programme the upper holder (3) right above (2) and driving mechanism (4) that driving bottom platen (2) is moved in vertical direction, it is special
Sign is: being fixed with frame body (11) on the workbench (1), the upper holder (3) is fixedly connected with frame body (11), coagulation pressure
Testing machine further includes material receiving mechanism (5), and the material receiving mechanism (5) includes being located at bottom platen (2) lower part receiver (51), described to connect
Charging tray (51) side side therein offers inlet orifice (511), receiver (51) side wall of the two sides of the inlet orifice (511)
It is rotatablely connected around horizontal axis and frame body (11).
2. concrete pressure testing machine according to claim 1, it is characterised in that: the two sides of the inlet orifice (511)
Length direction is set along the switch slot of receiver (51) thickness direction；Material receiving mechanism (5) further includes close to inlet orifice (511) progress
The batch turning door of envelope, the batch turning door are slidably connected along switch slot length direction and switch slot.
3. concrete pressure testing machine according to claim 1, it is characterised in that: the material receiving mechanism (5) further includes receiving
Header (53), collecting box (53) top are provided with opening, and the collecting box (53) is located under inlet orifice (511) side
Side.
4. concrete pressure testing machine according to claim 1, it is characterised in that: the two sides of the inlet orifice (511)
Receiver (51) side wall is fixed with horizontal shaft (514)；The shaft (514) connects around horizontal axis and frame body (11) rotation
It connects；The side of the frame body (11) is provided with driving motor (55)；The body of the driving motor (55) and frame body (11) are fixed
Connection；The output shaft of the driving motor (55) is fixedly connected with shaft (514).
5. concrete pressure testing machine according to claim 1, it is characterised in that: the material receiving mechanism (5) further includes preventing
Shield (54), the shield (54) are socketed in bottom platen (2) lower part and are fixedly connected with upper holder (3).
6. concrete pressure testing machine according to claim 1, it is characterised in that: the material receiving mechanism (5) further includes sliding
Dynamic pallet (52), the slide tray (52) are slidably connected along inlet orifice (511) direction and receiver (51).
7. concrete pressure testing machine according to claim 6, it is characterised in that: the discharge end of the slide tray (52)
It is provided with from (52) two side of slide tray and carries out close poly- material wall (524) in the middle part of slide tray (52).
8. concrete pressure testing machine according to claim 7, it is characterised in that: receiver (51) the bottom setting length
Direction is spent along the sliding slot (515) of inlet orifice (511) direction；The slide tray (52) is fixed with (515) length along the chute
The sliding rail (523) that direction and sliding slot (515) are slidably connected；Slide tray (52) side is provided with along sliding rail (523) length
The link slot (522) in direction, the side wall of the receiver (51) be provided with through link slot (522) and with receiver (51) spiral shell
The fixing bolt (521) of line connection, the head of the fixing bolt (521) abuts fixation with slide tray (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822082508.7U CN209400332U (en) | 2018-12-12 | 2018-12-12 | Concrete pressure testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822082508.7U CN209400332U (en) | 2018-12-12 | 2018-12-12 | Concrete pressure testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209400332U true CN209400332U (en) | 2019-09-17 |
Family
ID=67894291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822082508.7U Expired - Fee Related CN209400332U (en) | 2018-12-12 | 2018-12-12 | Concrete pressure testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209400332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179778A (en) * | 2020-09-21 | 2021-01-05 | 台州市建设市政工程检测中心有限公司 | Electro-hydraulic pressure tester |
| CN115184093A (en) * | 2022-06-22 | 2022-10-14 | 中国石油天然气集团有限公司 | Rock debris analysis and recognition device and rock debris analysis and recognition method |
-
2018
- 2018-12-12 CN CN201822082508.7U patent/CN209400332U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179778A (en) * | 2020-09-21 | 2021-01-05 | 台州市建设市政工程检测中心有限公司 | Electro-hydraulic pressure tester |
| CN112179778B (en) * | 2020-09-21 | 2024-05-17 | 台州市建设市政工程检测中心有限公司 | Electrohydraulic pressure tester |
| CN115184093A (en) * | 2022-06-22 | 2022-10-14 | 中国石油天然气集团有限公司 | Rock debris analysis and recognition device and rock debris analysis and recognition method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190917 |