CN209585049U - Submersible type concreting sealing telescopic pipe - Google Patents
Submersible type concreting sealing telescopic pipe Download PDFInfo
- Publication number
- CN209585049U CN209585049U CN201920122049.2U CN201920122049U CN209585049U CN 209585049 U CN209585049 U CN 209585049U CN 201920122049 U CN201920122049 U CN 201920122049U CN 209585049 U CN209585049 U CN 209585049U
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- China
- Prior art keywords
- sealing
- conduit
- section
- connection mechanism
- pipe fitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 100
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 206010011732 Cyst Diseases 0.000 claims description 19
- 208000031513 cyst Diseases 0.000 claims description 19
- 241000282472 Canis lupus familiaris Species 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002775 capsule Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000010412 perfusion Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005429 filling process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model relates to a kind of building filling pile construction equipment, specifically a kind of submersible type concreting sealing telescopic pipe.The problems such as existing generally existing construction efficiency of concrete pouring operation mode is low, and construction quality and safety are difficult to control.Technical solutions of the utility model, which are set with by more piece conduit and are mounted, constitutes telescopic catheter main body, and minor details conduit lower end connects sealing of hole tube body, is connected by sealing connection mechanism between each section conduit；Sealing connection mechanism is equipped with guiding locking section, and guiding locking section inner wall is equipped with flute profile cavity, intracavitary that sealed bladder is housed；Sealing connection mechanism outer wall is equipped with the hanging detent cooperated with hanging device fixture and promotes detent.The utility model is especially suitable for carrying out the operation of concrete underwater grouting, by sealing connection mechanism fast sealing, locking catheter main body in work progress, and conduit is promoted and pours operation without interrupting, and simplifies workflow, it saves manually, construction quality and working efficiency greatly improved.
Description
Technical field
The utility model relates to a kind of building filling pile construction equipment, specifically a kind of submersible type concreting is close
Seal telescoping tube.
Background technique
Currently, the form of construction work of cast-in-place concrete pile utilizes concrete gravity to flow into stake bottom along expects pipe mostly, it is bottom-up
Complete perfusion operation.In practice of construction, especially for the underwater casting of concrete, there are construction efficiency for above-mentioned operation mode
Low, construction quality and safe the problems such as being difficult to control, specific manifestation is as follows:
1, expects pipe is made of more piece using threaded connection, and it is 60m that entire length, which is usually not less than, since bored concrete pile is under
It constructs upwards, after concrete-pile, which pours, to be reach a certain height, needs Suspend Job, promote expects pipe and unload positioned at top
A most upper section tube body, then proceed to pour, entire work progress needs repeatedly pause, disassembly single-unit tube body, working efficiency compared with
Low, construction cost is high；
2, expects pipe disassembly is mostly manual operation, needs multi agent cooperation disassembly expects pipe, removes the single-unit expects pipe removed and is solid
Fixed remaining body portion, process is tedious, and the time for causing single to interrupt is longer, and casting process need to be repeatedly interrupted, certain
Construction quality is influenced in degree；
3, due to there being mud in hole for grout pile, needed between existing each material-saving pipe of perfusion equipment using O-shaped washer into
Row encapsulation process, the structure keep the attended operation between expects pipe time-consuming and laborious, large labor intensity, and Rig up error once occur,
Inside slurry compounding expects pipe in stake holes, then leads to concrete disintegration plugging, perfusion operation failure or broken pile, cause great economy
Loss；
4, the operating point of expects pipe disassembly operation is located at the port top of stake holes, it is easy to worker occurs and slip to crash into stake holes
Major accident, there are biggish security risks.
Further, since the slump by concrete is influenced, expects pipe clogging easily occurs, leads to perfusion failure, causes
Biggish economic loss, and slump is larger will affect construction quality, operation process control difficulty is big.
Summary of the invention
In view of the above problems, the utility model provides a kind of submersible type concreting sealing telescopic pipe, it can using more piece
Extension of pipe cooperates rapid sealing mechanism composition, overcomes the defect of the prior art, simplifies working procedure, filling is greatly shortened
Operation time is infused, construction cost is reduced.
The purpose of this utility model is achieved through the following technical solutions:
A kind of submersible type concreting sealing telescopic pipe: including conduit, the successively socket assembly from up to down of more piece conduit
At telescopic expects pipe main body, each diameter for saving conduit is sequentially increased；
It further include sealing connection mechanism, sealing of hole tube body；It is connected between each conduit by sealing connection mechanism；
The sealing connection mechanism includes top pipe fitting, lower part pipe fitting and sealed bladder；Sealing connection mechanism upper section
For the guiding locking section for locking and preventing working condition feeder pipe main body from rocking and bouncing back；The inner wall of the guiding locking section is equipped with
The flute profile cavity of cross section；Top pipe fitting is removably linked and packed at flute profile cavity with lower part pipe fitting；Sealing
The lower part pipe fitting lower section of bindiny mechanism is internally provided with a limit chuck；
The sealed bladder cross section in a ring, and is equipped with air inlet-outlet pipe and gas nozzle；Sealed bladder is assemblied in guiding locking section
Flute profile cavity in；
The connection structure for two section conduits being connected are as follows: the annular convex platform that conduit lower end is equipped with a limit and guiding is above saved,
Top pipe fitting, lower part pipe fitting and the sealed bladder of sealing connection mechanism are sleeved on outside a section conduit；Sealing connection mechanism
The annular convex platform of the limit chuck of lower part pipe fitting and upper section conduit mounts；The lower port of lower part pipe fitting and lower section conduit upper end
The dismountable connection of mouth；
The upper end of the sealing of hole tube body is removably connect with the lower end of section conduit is most descended, and the lower end port of sealing of hole tube body is logical
It crosses Spring Card and one end cover is installed；
The sealing connection mechanism outer wall is equipped with from top to bottom to be cooperated with the hanging fixture and lifting dogs of hanging device
Hanging detent and promoted detent.
Preferably, the sealed bladder includes cyst wall and outer cyst wall in the tubular of annular seal head, elastic material, interior cyst wall and
Outer cyst wall mutual sheathing and inside and outside cyst wall both ends are connected and fixed with annular seal head, formed cross section for annular and with sealed connection
The column structure that the flute profile cavity of mechanism matches；The air inlet-outlet pipe is arranged in annular seal head upper end.
Preferably, the upper tube upper end of joint edge of the sealing connection mechanism designs for chamfering structure.
Preferably, the lower part pipe fitting lower port outer diameter of the sealing connection mechanism is identical as lower section catheter outer diameter, or under
Portion's pipe fitting is connected smoothly with lower section conduit.
Preferably, the upper tube upper end of joint of the sealing connection mechanism is equipped with a hidden groove, the intake and exhaust of sealed bladder
Pipe free end is located in the groove.
Preferably, the end cover is steel material, and sealing ring is equipped between end cover and sealing of hole tube body lower port.
Preferably, wedge shaped design is received in the lower port edge of the sealing of hole tube body.
Preferably, the outer diameter of the sealing of hole tube body is identical as section catheter outer diameter is most descended.
The beneficial effects of the utility model are:
The utility model provides a kind of telescopic concreting sealing duct, solves perfusion in the prior art and applies
Work low efficiency, construction quality is impacted and is difficult to the problems such as control, and technical solutions of the utility model use telescopic expects pipe master
Body carries out concrete pouring construction, and each save is connected between conduit by sealing connection mechanism, and expects pipe main body is equipped with for interim
The sealing connection mechanism and lower end end cap of sealing, which can realize fast sealing and the locking of tube body, and ensure concrete
Conduit connection seals when underwater grouting.Compared with existing form of construction work, operation is poured without dismantling section by section using the present apparatus
Expects pipe reduces labor intensity, and entire work progress only needs a people can be completed, and is greatly saved manually, and eliminate accident
Hidden danger；Conduit contraction can be carried out according to condition of construction in casting process, be poured without interrupting, significantly simplified workflow, side
Just quick, it realizes and works continuously, improve construction quality.
The utility model catheter surface is smooth, and conduit connection and sealing of hole tube end portion are all made of chamfering or wedge-shaped smoothed
It crosses, effectively avoids the objects such as reinforcing bar cage body in conduit and stake and mount, and after sealing connection mechanism locking, can prevent conduit from contacting
The phenomenon that barriers such as steel reinforcement cage retraction or bending are rocked；In addition, diameter increases expects pipe main body section by section from up to down, prevent mixed
Solidifying soil plugging phenomenon.
The technical solution of the utility model is described in detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model sealing connection mechanism；
Fig. 3 is the structural schematic diagram of the utility model sealing of hole tube body；
Fig. 4 is the structural schematic diagram of the utility model sealed bladder.
Specific embodiment
In figure: 1, end cover, 2, sealing of hole tube body, 3, sealing connection mechanism, 3a, top pipe fitting, 3b, lower tube connect
3d, head, 3c, hanging detent promote detent, 3e, flute profile cavity, 4, sealed bladder, 4a, interior cyst wall, 4b, outer cyst wall, 4c, annular envelope
Head, 5, air inlet-outlet pipe, 6, conduit, 6a, annular convex platform, 7, pump line.
Embodiment
From FIG. 1 to FIG. 4 it is found that technical solutions of the utility model include conduit 6, sealing connection mechanism 3, sealing of hole tube body 2；It is more
Successively socket is assembled into telescopic expects pipe main body to section conduit 6 from up to down, and each diameter for saving conduit 6 successively increases from up to down
Greatly, structure design can effectively avoid concrete obstruction conduit in filling process；Pass through sealed connection between each conduit 6
Mechanism 3 connects.
The sealing connection mechanism 3 includes top pipe fitting 3a, lower part pipe fitting 3b and sealed bladder 4；Sealed connection machine
The upper section of structure 3 is guiding locking section, and the inner wall of the guiding locking section is equipped with the flute profile cavity 3e of indent and cross section；On
Portion pipe fitting 3a and lower part pipe fitting 3b is removably linked and packed at flute profile cavity 3e by screw thread；Sealing connection mechanism
Lower part pipe fitting 3b lower section is internally provided with the limit chuck of an annular；4 cross section of sealed bladder in a ring, and be equipped with into
Exhaust pipe 5 and gas nozzle；Sealed bladder 4 is assemblied in the flute profile cavity 3e of guiding locking section.
The two section conduits 6 connection end structure being connected are as follows: above save conduit lower end and be equipped with a limit and and sealing connection mechanism
Limit the annular convex platform 6a of chuck cooperation；Top pipe fitting 3a, the lower part pipe fitting 3b and sealed bladder 4 of sealing connection mechanism are set with
It outside upper section conduit 6, and is slidably matched with catheter wall, in two section conduit telescopic process, is formed by upper and lower part pipe fitting
Guiding locking section can play the role of preventing rocking between tube body and being oriented to；The limiting card of sealing connection mechanism lower part pipe fitting 3b
The annular convex platform 6a of platform and upper section conduit is mounted；The lower port of lower part pipe fitting 3b and the lower section conduit upper port of same diameter pass through
Screw thread removably connects.In 6 telescopic process of conduit, the annular convex platform 6a outer rim around catheter port is sliding along lower section pipe inner wall
It is dynamic to play guiding role.
The upper end of the sealing of hole tube body 2 is removably connect with the lower end of section conduit 6 is most descended by screw thread, it is easy to disassemble more
It changes；End cover 1 is mounted on the lower end port of sealing of hole tube body 2 by a built-in Spring Card；The lower port edge of sealing of hole tube body 2
It is interior to receive wedge shaped necking design, guiding role is played when can touch obstacle in expects pipe main body telescopic process；The sealing of hole tube body 2
Outer diameter it is identical as 6 outer diameter of section conduit is most descended, with ensure connect after tube surfaces it is smooth.
The end cover 1 is steel material, is equipped with sealing ring between 2 lower port of end cover 1 and sealing of hole tube body.
3 outer wall of sealing connection mechanism is equipped with from top to bottom to be cooperated with the hanging fixture and lifting dogs of hanging device
Hanging detent 3c and promoted detent 3d.
As a preferred embodiment, the sealed bladder 4 include annular seal head 4c, elastic material tubular in cyst wall 4a and
Outer cyst wall 4b, interior cyst wall 4a and outer cyst wall 4b mutual sheathing and inside and outside cyst wall both ends are connected and fixed with annular seal head 4c form one
Cross section is column structure that is annular and matching with the flute profile cavity of sealing connection mechanism；The air inlet-outlet pipe 5 is arranged
In the upper end annular seal head 4c.
In the telescopic process for the conduit being connected, positioned at the annular seal head 4c of 4 upper and lower ends of sealed bladder, guiding can be played
And the effect of support, to protect utricule.
Under working condition, it is filled with gas (or liquid) in sealed bladder 4, makes interior cyst wall 4a and outer cyst wall 4b to inside and outside expansion,
The flute profile cavity 3e inner wall for pressing 6 outer wall of conduit and sealing connection mechanism respectively, makes to realize between two section conduits 6 being connected close
It seals and locks, to prevent mud etc. from entering in expects pipe main body, while also can avoid expects pipe main body due to vibration in filling process
The lateral twisting of generation.When another advantage of the structure is that conduit decentralization process middle tube body contacts the obstacles such as steel reinforcement cage, pipe is prevented
It is stuck that body bounces back or rock deformation.
Preferably, the top pipe fitting 3a upper end-face edge of the sealing connection mechanism designs for chamfering structure；It is close
The lower part lower end the pipe fitting 3b outer diameter for sealing bindiny mechanism identical with next 6 outer diameter of section conduit (or lower part pipe fitting 3b and next section
The junction of conduit 6 seamlessly transits)；In the top upper end pipe fitting 3a of sealing connection mechanism, one hidden groove, sealing are set
The air inlet-outlet pipe 5 of capsule is stretched out by the groove, and air inlet-outlet pipe free end and gas nozzle are hidden in groove, to ensure expects pipe main body
Tube surfaces are smooth after being linked and packed, and prevent from hooking during tube body flexible (lifting) with objects such as concrete reinforcing cages.
Illustrate the underwater grouting work progress of the utility model by taking casting concrete bored concrete pile as an example below:
Hanging device for operation to be perfused is equipped with a lifting dogs and multiple hanging fixtures；
A, multiple hanging fixtures of hanging device each sealing connection mechanism with the utility model expects pipe main body respectively is utilized
The clamping of hanging detent, make each section conduit mutual sheathing and be suspended in right above stake holes (or construction point)；By the pump of perfusion equipment
First segment conduit (i.e. the conduit of innermost layer) socket connection of pipe and the top；First segment conduit upper end can pass through sealed connection
Mechanism is engaged by clamping with hanging fixture (can also according to circumstances match in the fixture that detent and hanging device is arranged in the catheter tube end
It closes)；
B, the sealing connection mechanism for most descending section conduit since connection, successively release is clamped the hanging of each sealing connection mechanism
Fixture, and by the lifting dogs of hanging device, it is from bottom to top transferred section by section from most descending section conduit, makes the lower end of sealing of hole tube body
Come downwards to stake holes bottom, i.e. the present embodiment initial position for pouring operation；
C, before each sealing connection mechanism enters mud (or water), sealing connection mechanism is inflated or injecting liquid keeps its swollen
It is swollen, realize conduit connection sealing, and lock the 2-section pipe body being connected；
Expects pipe main body enters the increase after mud (or water) with depth, and the end cover of sealing of hole bottom of the pipe is in mud
The pressure of (or water) acts on lower automatic impaction nozzle, prevents mud (or water) from entering expects pipe main body, realizes preferable sealing process；
D, the concrete pump for starting perfusion equipment starts to pour operation, concrete is injected conduit by pump line, when falling into
When the weight concrete of conduit bottom is greater than end cover Spring Card coupling mechanism force and the pressure of mud (or water), the sealed end of steel
Lid, which falls off, is left to stake holes bottom；
E, as concrete surface rises, starting hanging device lifts by crane the conduit of the top using lifting dogs, works as connection
The sealing connection mechanisms of two section conduits exposes mud (or water surface), and the sealed bladder of sealing connection mechanism is emptied, and makes between two conduits
Sealing and latch-release；
F, after upper section conduit rises completely, i.e., the section conduit rises to initial position, again using in hanging device with
The conduit is suspended in highest point by the corresponding hanging fixture of the section conduit；
G, the lifting dogs of hanging device are back to bottom, are ready for the promotion of next section conduit；
H, above-mentioned e~g step is repeated, until completing concreting.
Finally it should be noted that: above embodiments for illustrating the technical solution of the utility model rather than its limitations,
Those skilled in the art modifies to embodiment or some technical features can be equivalently replaced, without departing from this reality
With the essence of new technique scheme, should all cover within the scope of the utility model is claimed.
Claims (8)
1. a kind of submersible type concreting sealing telescopic pipe, including conduit, successively socket is assembled into more piece conduit from up to down
Telescopic expects pipe main body, each diameter for saving conduit are sequentially increased；
It is characterized by also including sealing connection mechanisms, sealing of hole tube body；It is connected between each conduit by sealing connection mechanism；
The sealing connection mechanism includes top pipe fitting, lower part pipe fitting and sealed bladder；Sealing connection mechanism upper section is lock
Guiding locking section that is tight and preventing working condition feeder pipe main body from rocking and bouncing back；The inner wall of the guiding locking section is equipped with section
Flute profile cavity annular in shape；Top pipe fitting is removably linked and packed at flute profile cavity with lower part pipe fitting；It is tightly connected
The lower part pipe fitting lower section of mechanism is internally provided with a limit chuck；
The sealed bladder cross section in a ring, and is equipped with air inlet-outlet pipe and gas nozzle；Sealed bladder is assemblied in the slot of guiding locking section
It describes intracavitary；
Two section conduit connection structures being connected are the annular convex platform that upper section conduit lower end is equipped with a limit and guiding, are tightly connected
Top pipe fitting, lower part pipe fitting and the sealed bladder of mechanism are sleeved on outside a section conduit；Sealing connection mechanism lower tube connects
The limit chuck of head and the annular convex platform of upper section conduit mount；The lower port of lower part pipe fitting and lower section conduit upper port are detachable
Connection；
The upper end of the sealing of hole tube body is removably connect with the lower end of section conduit is most descended, and the lower end port of sealing of hole tube body passes through bullet
Spring card is equipped with an end cover；
The sealing connection mechanism outer wall is equipped with from top to bottom to be hung with what the hanging fixture and lifting dogs of hanging device cooperated
Hang tag position and promotion detent.
2. a kind of submersible type concreting sealing telescopic pipe according to claim 1, it is characterised in that: the sealing
Capsule includes cyst wall and outer cyst wall in the tubular of annular seal head, elastic material, interior cyst wall and outer cyst wall mutual sheathing and inside and outside cyst wall
Both ends are connected and fixed with annular seal head, form the column that cross section is annular and matches with the flute profile cavity of sealing connection mechanism
Body structure；The air inlet-outlet pipe is arranged in annular seal head upper end.
3. a kind of submersible type concreting sealing telescopic pipe according to claim 1, it is characterised in that: the sealing connects
It is designed for chamfering structure at the upper tube upper end of joint edge of connection mechanism.
4. a kind of submersible type concreting sealing telescopic pipe according to claim 1, it is characterised in that: the sealing connects
The lower part pipe fitting lower port outer diameter of connection mechanism is identical as lower section catheter outer diameter or lower part pipe fitting is seamlessly transitted with lower section conduit
Connection.
5. a kind of submersible type concreting sealing telescopic pipe according to claim 1, it is characterised in that: the sealing connects
The upper tube upper end of joint of connection mechanism is equipped with a hidden groove, and the air inlet-outlet pipe free end of sealed bladder is located in the groove.
6. a kind of submersible type concreting sealing telescopic pipe according to claim 1, it is characterised in that: the sealing
End cap is steel material, and sealing ring is equipped between end cover and sealing of hole tube body lower port.
7. a kind of submersible type concreting sealing telescopic pipe according to claim 1, it is characterised in that: the hole sealing tube
Wedge shaped design is received in the lower port edge of body.
8. a kind of submersible type concreting sealing telescopic pipe according to claim 1, it is characterised in that: the hole sealing tube
The outer diameter of body is identical as section catheter outer diameter is most descended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122049.2U CN209585049U (en) | 2019-01-24 | 2019-01-24 | Submersible type concreting sealing telescopic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122049.2U CN209585049U (en) | 2019-01-24 | 2019-01-24 | Submersible type concreting sealing telescopic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209585049U true CN209585049U (en) | 2019-11-05 |
Family
ID=68380307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122049.2U Withdrawn - After Issue CN209585049U (en) | 2019-01-24 | 2019-01-24 | Submersible type concreting sealing telescopic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209585049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555125A (en) * | 2019-01-24 | 2019-04-02 | 张家口众益岩土工程有限公司 | Submersible type concreting sealing telescopic pipe |
-
2019
- 2019-01-24 CN CN201920122049.2U patent/CN209585049U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555125A (en) * | 2019-01-24 | 2019-04-02 | 张家口众益岩土工程有限公司 | Submersible type concreting sealing telescopic pipe |
| CN109555125B (en) * | 2019-01-24 | 2024-02-27 | 张家口众益岩土工程有限公司 | Submersible concrete pouring sealing telescopic pipe |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191105 Effective date of abandoning: 20240227 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191105 Effective date of abandoning: 20240227 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |