CN205479956U - Lining structure and pipeline - Google Patents
Lining structure and pipeline Download PDFInfo
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- CN205479956U CN205479956U CN201620175336.6U CN201620175336U CN205479956U CN 205479956 U CN205479956 U CN 205479956U CN 201620175336 U CN201620175336 U CN 201620175336U CN 205479956 U CN205479956 U CN 205479956U
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- pipeline
- optical sensor
- liner
- fibre optical
- lining structure
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Abstract
The utility model discloses a lining structure and pipeline, wherein, lining structure includes the inside lining pipeline, reaches the optical fiber sensor who sets up with inside lining pipeline an organic whole, the inside lining pipeline includes the inner liner, and combines in the grout blanket on inner liner outside surface, optical fiber sensor set up in in the grout blanket, perhaps optical fiber sensor set up in in the inner liner. The utility model discloses a lining structure has realized carrying on real -time supervision's mesh to the user state of the pipeline after restoreing.
Description
Technical field
This utility model relates to pipe rehabilitation technology field, particularly to a kind of inner lining structure and apply this interior
The pipeline of lining structure.
Background technology
Nowadays, the use of underground haulage, drainage pipeline etc. is the most universal.Pipeline is along with the time of use
Extend, it may appear that be corroded, aging, ftracture, the situation such as cave in, produce and life causes normal
Adverse effect, accordingly, it would be desirable to carry out the reparation of pipeline in time.And the pipe rehabilitation technology of present stage, single
List is simply treated pipe-repairing and is carried out the reparation in structure, lacks corresponding monitoring facilities pair after having repaired
Pipeline is monitored, for the most again occur be corroded, aging, ftracture, the situation such as cave in without
Method is monitored and controls.For understanding the use state of the pipeline after repairing, the appearance of reply different situations, repair
After multiple, the monitoring of pipeline is the most necessary.
Utility model content
Main purpose of the present utility model is to provide a kind of inner lining structure, it is intended to realize the pipeline after repairing
The purpose monitored in real time of use state.
For achieving the above object, the inner lining structure that the utility model proposes includes liner pipe, and and liner
The Fibre Optical Sensor that pipeline is wholely set；Described liner pipe includes inner liner, and is incorporated into outside inner liner
The grout blanket of side surface, described Fibre Optical Sensor is arranged in described grout blanket, or described Fibre Optical Sensor
Device is arranged in described inner liner.
Alternatively, being additionally provided with sleeve pipe in described grout blanket, described Fibre Optical Sensor is arranged at described sleeve pipe
In.
Alternatively, the axis of described sleeve pipe be arranged in parallel with the axis of described liner pipe.
Alternatively, described inner liner includes that interior lining panel, described interior lining panel are formed with accommodation space, described light
Fiber sensor is arranged in described accommodation space.
Alternatively, the axial direction of described accommodation space is identical with the axial direction of described liner pipe.
Alternatively, described inner liner includes that interior lining panel, described Fibre Optical Sensor are fixed on described interior lining panel
Outer surface.
Alternatively, if described inner liner also include dry support arm, some described support members be formed at described in
The outer surface of liner plate.
This utility model also provides for a kind of pipeline, and described pipeline includes pipeline to be repaired, and in be lining in described
The inner lining structure of inner-walls of duct to be repaired, described inner lining structure is inner lining structure as above.
Alternatively, described liner pipe includes inner liner, and is incorporated into the grout blanket of inner liner outer surface,
Described grout blanket is incorporated into the inwall of described pipeline to be repaired.
Alternatively, described inner lining structure also includes the pre-lining cutting layer being incorporated into described grout blanket outer surface,
Described pre-lining cutting layer is between described grout blanket and pipeline to be repaired.
Inner lining structure of the present utility model, is wholely set Fibre Optical Sensor with liner pipe, liner pipe
Carrying out the reparation in structure and support in order to treat pipe-repairing, Fibre Optical Sensor is then after to repairing
Pipeline is monitored in real time, for relatively prior art, completes Fibre Optical Sensor while pipeline rehabilitation
Laying, add the real time monitoring function of use state to the pipeline after repairing.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain according to the structure shown in these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of the pipeline of this utility model first embodiment；
Fig. 2 is the structural representation of the pipeline of this utility model the second embodiment；
Fig. 3 is the structural representation of the pipeline of this utility model the 3rd embodiment；
Fig. 4 is the structural representation of the pipeline of this utility model the 4th embodiment；
Fig. 5 is the structural representation of the pipeline of this utility model the 5th embodiment.
Drawing reference numeral illustrates:
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings into
One step explanation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only of the present utility model one
Section Example rather than whole embodiments.Based on the embodiment in this utility model, this area is general
The every other embodiment that logical technical staff is obtained under not making creative work premise, broadly falls into
The scope of this utility model protection.
It is to be appreciated that directional instruction in this utility model embodiment (such as upper and lower, left and right,
It is forward and backward ...) it is only used for explanation phase under a certain particular pose (as shown in drawings) between each parts
To position relationship, motion conditions etc., if this particular pose changes, then directionality indicates also
Change the most therewith.
It addition, such as relating to the description of " first ", " second " etc. is only used for describing mesh in this utility model
, and it is not intended that instruction or imply its relative importance or implicit indicate indicated technical characteristic
Quantity.Thus, define " first ", the feature of " second " can express or implicitly include to
Few this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " connect ", " fixing "
Etc. should be interpreted broadly, such as, " fixing " can be fixing connection, it is also possible to is to removably connect, or
Integral；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to pass through
Intermediary is indirectly connected to, and can be connection or the interaction relationship of two elements of two element internals,
Unless otherwise clear and definite restriction.For the ordinary skill in the art, can be as the case may be
Understand above-mentioned term concrete meaning in this utility model.
It addition, the technical scheme between each embodiment of this utility model can be combined with each other, but necessary
It is based on those of ordinary skill in the art are capable of, when the combination of technical scheme occurs conflicting
Will be understood that when maybe cannot realize that the combination of this technical scheme does not exists, the most not in this utility model requirement
Protection domain within.
Referring to Fig. 1 to Fig. 4, the utility model proposes a kind of pipeline 10, this pipeline 10 includes pipe to be repaired
Road 30 and be incorporated into the inner lining structure 20 of pipeline 30 inwall to be repaired.
In the technical solution of the utility model, described inner lining structure 20 includes liner pipe 22, and with interior
The Fibre Optical Sensor 24 that bushing pipe road 22 is wholely set；Described liner pipe 22 includes inner liner 222, and combines
In the grout blanket 224 of inner liner 222 outer surface, described Fibre Optical Sensor 24 is arranged at described grout blanket 224
In (ginseng Fig. 1,2,5), or described Fibre Optical Sensor 24 be arranged in described inner liner 222 (ginseng Fig. 3,
4)。
Inner lining structure 20 of the present utility model, is wholely set Fibre Optical Sensor 24 with liner pipe 22.Institute
State liner pipe 22 and carry out the reparation in structure and support, described Fibre Optical Sensor in order to treat pipe-repairing 30
Device 24 is then for monitoring in real time the pipeline 10 after repairing.For relatively prior art, in pipeline rehabilitation
While complete the laying of Fibre Optical Sensor 24, thus can be to the use state of the pipeline 10 after repairing
Monitor in real time.
Specifically, when carrying out pipeline rehabilitation, lay between inner liner 222 and pipeline to be repaired 30, fix
Good Fibre Optical Sensor 24, or in inner liner 222, set Fibre Optical Sensor 24, then carry out being in the milk (making
With grouting material), consolidation, formed grout blanket 224.After pipeline rehabilitation, by light sensor 24 and light
Optical fiber signaling receives equipment and is connected, and is interpreted signal by fiber-optic signal identification equipment, runs pipeline 10
In contingent seepage, ftracture, deform, and variations in temperature etc. carries out comprehensive deploying to ensure effective monitoring and control of illegal activities, and optical fiber is believed
Number real-time Transmission is to monitor terminal, and once pipeline 10 exception or monitor control index occurs beyond arranging value, i.e. enters
Row early warning, shows pipeline 10 position of generation problem simultaneously.
Described grouting material is (such as rubble, cobble, natural sand, artificial using high-strength material as aggregate
Sand etc.), using cement as bonding agent, it is aided with the materials such as upper flow regime, microdilatancy, anti-isolation formulated.
It is good that described grouting material has self drainage, the most firmly, the strongest, high-strength, ungauged regions, the advantage such as microdilatancy.
Further referring to Fig. 2, described grout blanket 224 is additionally provided with sleeve pipe 2242, described Fibre Optical Sensor
Device 24 is arranged in described sleeve pipe 2242.In the present embodiment, described sleeve pipe 2242 is positioned in grout blanket 224,
Not irrigating slurry, can form a relatively independent space, described Fibre Optical Sensor 24 is arranged at described sleeve pipe
In 2242, it is to avoid described Fibre Optical Sensor 24, in work progress, is caused by the hard material in slurry
Damage, affects its follow-up service behaviour.
Preferably, the axis of described sleeve pipe 2242 be arranged in parallel with the axis of described liner pipe 22.So
Structure arrange pipeline rehabilitation can be made to complete after, Fibre Optical Sensor 24 to be matched therewith other are relevant
The connection of equipment, lay the simplest, convenient.
Referring to Fig. 3, in another embodiment of the present utility model, described inner liner 222 includes interior lining panel
2222b, described interior lining panel 2222b are formed with accommodation space 2226b, and described Fibre Optical Sensor 24 is arranged at institute
State 2226b in accommodation space.In the present embodiment, during described accommodation space 2226b is pipeline rehabilitation
When interior lining panel 2222b is carried out double slit welding, the double slit soldered of formation.Described Fibre Optical Sensor 24 is put
Empty cavity position in the middle of weld seam, Fibre Optical Sensor 24 forms integrative-structure with interior lining panel 2222b so that institute
State the Fibre Optical Sensor 24 setting during pipeline rehabilitation the simplest, convenient, fast, simultaneously by
Relatively independent in described accommodation space 2226b, described Fibre Optical Sensor 24 can be avoided to be subject in work progress
Damage, it is ensured that its service behaviour.
Preferably, the axial direction of described accommodation space 2226b and the axial direction of described liner pipe 22
Identical.Such structure arrange pipeline rehabilitation can be made to complete after, Fibre Optical Sensor 24 be matched therewith
Other relevant devices connection, lay the simplest, convenient.
Referring to Fig. 4, in another embodiment of the present utility model, described inner liner 222 includes interior lining panel
2222, described Fibre Optical Sensor 24 is fixed on the outer surface of described interior lining panel 2222.Such setting,
Make described Fibre Optical Sensor 24 form integrative-structure with described interior lining panel 2222, and then make described optical fiber
The sensor 24 setting during pipeline rehabilitation is the simplest, convenient, fast.
Preferably, described Fibre Optical Sensor 24 is welded in the outer surface of described interior lining panel 2222, so that institute
State Fibre Optical Sensor 24 the most stable with the connection of described interior lining panel 2222.
Preferably, described Fibre Optical Sensor 24 is provided with multiple, and each Fibre Optical Sensor 24 can have difference
Monitoring function.It should be understood that the Fibre Optical Sensor 24 of multiple difference in functionality is the most built-in, Ke Yitong
Time monitoring pipeline 10 seepage, ftracture, the fault such as deformation, thus there is more monitoring function.
Refer to Fig. 1 to Fig. 5, if described inner liner 222 also includes dry support arm 2224, some described supports
Part 2224 is formed at the outer surface of described interior lining panel 2222 (or 2222b).Described inner liner 222 interior
Liner plate 2222 (or 2222b) if outer surface on be formed with dry support arm 2224, some described support members 2224
It is uniformly distributed in the outer surface of described interior lining panel 2222 (or 2222b).Described support member 2224 can be at pipeline
In repair process, the inwall with the inwall of described pipeline 30 to be repaired or described pre-lining cutting layer 226 abuts against, with
Formed and be beneficial to grouting material perfusion, the relatively independent space of grout blanket 224 formation, so that pipeline rehabilitation
Process is simpler, convenient.
Pipeline 10 of the present utility model, including described pipeline 30 to be repaired, and is incorporated into described pipe to be repaired
The inner lining structure 20 of road 30 inwall, described inner lining structure 20 is inner lining structure 20 as the aforementioned.This liner is tied
The concrete structure of structure 20 is with reference to above-described embodiment, owing to this inner lining structure 20 have employed above-mentioned all embodiments
Whole technical schemes, the most at least there is all useful effect that the technical scheme of above-described embodiment is brought
Really, this is no longer going to repeat them.
Concrete, the grout blanket 224 of described inner lining structure 20 or pre-lining cutting layer 226 directly with pipeline to be repaired
30 combine.
Further referring to Fig. 5, in this utility model one embodiment, described inner lining structure 20 also includes knot
Together in the pre-lining cutting layer 226 of described grout blanket 224 outer surface, described pre-lining cutting layer 226 is positioned at described grouting
Between layer 224 and pipeline to be repaired 30.It should be appreciated that when described pipeline 30 to be repaired damaged more serious time,
The most described pipeline to be repaired 30 is formed with hole 32c, the appearance of hole 32c can cause grouting material outflow and to
Construction causes difficult and unnecessary waste.Therefore, in this embodiment, described inner lining structure 20 also wraps
Include the pre-lining cutting layer 226 between described grout blanket 224 outer wall and pipeline to be repaired 30 inwall.Described pre-
Lining cutting layer 226 is incorporated into the inwall of described pipeline to be repaired 30, during pipeline rehabilitation, and this pre-lining cutting layer
Can form the perfusion of beneficially grouting material between 226 and described inner liner 222, that grout blanket 224 is formed is relatively independent
Space so that the perfusion of grouting material is the most convenient, reduces difficulty of construction, so that grout blanket 224
Formation be more prone to, and then make that the laying of Fibre Optical Sensor 24 is easier, safety, it is ensured that its work
Make performance.
Additionally, described pipeline 10 restorative procedure comprises the following steps:
By Fibre Optical Sensor 24, and inner liner 222 is laid in pipeline 30 to be repaired；
In the tubular space formed by described inner liner 222, arrange pressurised airbag, then add to this and calm the anger
Capsule injects air, utilizes expanding of pressurised airbag to drive described inner liner 222 in a tubular form to treat to described
The inwall of pipe-repairing 30 is close；
Top cover labyrinth is sealed, then at the two ends in the space formed with inner liner 222 by pipeline 30 inwall to be repaired
Covered the grout hole offered by sealing in this space, inject grouting material, finally grouting material is carried out maintenance,
Make grouting material solidify, form grout blanket 224.
It should be understood that described Fibre Optical Sensor 24, and inner liner 222 is along being parallel to described pipeline to be repaired
30 axis directions are laid.After inner liner 222 is laid, the both ends of the surface of interior lining panel 2222 are connected with each other, i.e. shape
Become inner liner 222 in a tubular form.Described inner liner 222 is close, directly to the inwall of described pipeline 30 to be repaired
The support member 2224 formed to the interior lining panel 2222 of described inner liner 222 and described pipeline 30 to be repaired
Inwall abuts against, and is beneficial to fill to be formed between the inwall of described inner liner 222 and described pipeline to be repaired 30
The space that pulp layer 224 is formed.
By above-mentioned pipe repairing method, the band inspection of integrative-structure can be formed on pipeline 30 inwall to be repaired
The inner lining structure 20 of brake.Completing the laying of Fibre Optical Sensor 24 while pipeline rehabilitation, it is right to increase
The real time monitoring function of the use state of the pipeline 10 after reparation, as long as the pipeline after reparation 10 occurs again
Slight crack or deformation, can be monitored and arrive, the purpose of problem of pinpointing the problems in time with realization, solve.
Alternatively, described by Fibre Optical Sensor 24, and inner liner 222 lays in pipeline 30 to be repaired
Step includes:
Described Fibre Optical Sensor 24 is arranged on the outer surface of described inner liner 222；Or to inner liner
The both ends of the surface of 222 carry out double slit welding, to form accommodation space 2226b, are set by described Fibre Optical Sensor 24
It is placed in the accommodation space 2226b that described inner liner 222 is formed；Or described Fibre Optical Sensor 24 is arranged
Between inner liner 222 and pipeline to be repaired 30；Or lay between inner liner 222 and pipeline to be repaired 30
Sleeve pipe 2242, is arranged at described Fibre Optical Sensor 24 in described sleeve pipe 2242.So, described light can be made
The fiber sensor 24 laying during pipeline rehabilitation is the simplest, convenient, to improve this integrative-structure
The efficiency of construction of inner lining structure 20 of band detection function.
Should be noted that, before carrying out pipeline rehabilitation, Fibre Optical Sensor 24 need to be determined according to field condition
Arrangement form.Afterwards, Fibre Optical Sensor 24 and inner liner 222 are together installed into pipeline 30 to be repaired,
Now, described Fibre Optical Sensor 24 is placed in one end of described inner lining structure 20, the two ends of Fibre Optical Sensor 24
Joint location installs optical fiber connection socket or plug, in order to connect fiber optic sensing devices.And by inner liner
222 tubular spaces formed put into pressurised airbag (not shown).Then, it is filled with in pressurised airbag
Air, utilizes the expansion of pressurised airbag to drive inner liner 222 close to pipeline 30 inwall to be repaired, until interior
Support member 2224 on lining 222 abuts against with the inwall of pipeline 30 to be repaired, thus realizes inner liner
222 fix.Then, at the two ends in the space formed by inner liner 222 and pipeline 30 inwall to be repaired
Being utilized respectively sealing lid (not shown) to seal, two sealed in lid offer grout hole and (are
Illustrate), another offers steam vent (not shown).Finally, to by inner liner 222 and pipeline to be repaired
The space perfusion slurry that 30 inwalls are formed.Through maintenance, Fibre Optical Sensor 24 and inner liner 222 and grouting
Layer 224 combines together.
Particularly, work progress should be noted the protection of Fibre Optical Sensor 24, need before grouting to carry out optical fiber
Debugging, to ensure that Fibre Optical Sensor 24 does not has damage.It should be appreciated that in actual applications, for non-
The pipeline 10 vertically laid, the inwall of pipeline 10 is along the minimum point in the cross section being perpendicular to pipeline 10 axial direction
It is the point of maximum intensity of fluid gravity effect in pipeline 10, is also that pipeline the most easily occurs seepage, cracking, deformation
Part.Therefore, Fibre Optical Sensor 24 is placed in inner lining structure 20 corresponding minimum point can pipeline 10 be entered
Row is monitored targetedly, it is to avoid unnecessary construction and the wasting of resources.
If during additionally, pipeline to be repaired 30 exists the spaced position that need to repair respectively, many places, in institute
After having reparation to complete, each Fibre Optical Sensor 24 can be made to connect by the joints of optical fibre, and access terminal data
Receive and monitoring device can carry out pipe monitoring.It should be understood that utilize described pipe repairing method,
It is aided with the joints of optical fibre, can carry out, in pipeline 30 to be repaired inside, multiple optical fiber that separation distance from each other is longer
The continuous laying of sensor 24, and after laying completes, access terminal data receiver and monitoring device are with reality
Monitoring during reality.
Terminal data receive and monitoring device be the making that forms a complete production network, including light source emitter, detector,
Data handling equipment, display device, server etc..Detection after signal is sent by light source, to pipeline
Information is received by detector, transfers to data handling equipment to interpret, and then judges whether normal, it is also possible to
Control end to be monitored in real time by display device.By arranging variations in temperature, deformation rate size, vibration
The scope of the monitoring data such as frequency values, once beyond early warning value, equipment with automatic alarm, and can show event
Barrier position.
It addition, Fibre Optical Sensor 24 involved in this utility model can use distribution type fiber-optic to pass further
Sensor, goes up the information such as the stress in any point, temperature, vibration along the line with accurately measurement optical fiber, thus
Realize the comprehensive data analysis of Monitoring Pinpelines, improve the accuracy of monitoring further.
It should be understood that described pipe repairing method is not required to carry out ground excavation, can be directly in described
The internal laying completing Fibre Optical Sensor 24 of pipeline 30 to be repaired, utilizes described pipe repairing method to existing
The laying having pipeline to carry out Fibre Optical Sensor 24 has the highest social value and cost benefit equally.
The foregoing is only preferred embodiment of the present utility model, not thereby limit of the present utility model specially
Profit scope, every under inventive concept of the present utility model, in utilizing this utility model description and accompanying drawing
The equivalent structure transformation of Rong Suozuo, or directly/be indirectly used in other relevant technical fields and be included in this
In the scope of patent protection of utility model.
Claims (10)
1. an inner lining structure, it is characterised in that described inner lining structure includes liner pipe, and and liner
The Fibre Optical Sensor that pipeline is wholely set；Described liner pipe includes inner liner, and is incorporated into outside inner liner
The grout blanket of side surface, described Fibre Optical Sensor is arranged in described grout blanket, or described Fibre Optical Sensor
Device is arranged in described inner liner.
2. inner lining structure as claimed in claim 1, it is characterised in that be additionally provided with in described grout blanket
Sleeve pipe, described Fibre Optical Sensor is arranged in described sleeve pipe.
3. inner lining structure as claimed in claim 2, it is characterised in that the axis of described sleeve pipe is with described
The axis of liner pipe be arranged in parallel.
4. inner lining structure as claimed in claim 1, it is characterised in that described inner liner includes interior lining panel,
Described interior lining panel is formed with accommodation space, and described Fibre Optical Sensor is arranged in described accommodation space.
5. inner lining structure as claimed in claim 4, it is characterised in that the axial side of described accommodation space
To identical with the axial direction of described liner pipe.
6. inner lining structure as claimed in claim 1, it is characterised in that described inner liner includes interior lining panel,
Described Fibre Optical Sensor is fixed on the outer surface of described interior lining panel.
7. the inner lining structure as described in any one of claim 4-6, it is characterised in that described inner liner is also
If including dry support arm, some described support members are formed at the outer surface of described interior lining panel.
8. a pipeline, it is characterised in that described pipeline includes pipeline to be repaired, and treat described in being incorporated into
The inner lining structure of pipe-repairing inwall, in described inner lining structure is as described in any one of claim 1-7
Lining structure.
9. pipeline as claimed in claim 8, it is characterised in that described liner pipe includes inner liner,
And it being incorporated into the grout blanket of inner liner outer surface, described grout blanket is incorporated into the interior of described pipeline to be repaired
Wall.
10. pipeline as claimed in claim 9, it is characterised in that described inner lining structure also includes combining
In the pre-lining cutting layer of described grout blanket outer surface, described pre-lining cutting layer is positioned at described grout blanket with to be repaired
Between pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620175336.6U CN205479956U (en) | 2016-03-07 | 2016-03-07 | Lining structure and pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620175336.6U CN205479956U (en) | 2016-03-07 | 2016-03-07 | Lining structure and pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479956U true CN205479956U (en) | 2016-08-17 |
Family
ID=56659606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620175336.6U Active CN205479956U (en) | 2016-03-07 | 2016-03-07 | Lining structure and pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546270A (en) * | 2016-03-07 | 2016-05-04 | 深圳市巍特工程技术有限公司 | Lining structure, pipe and pipe repairing method |
-
2016
- 2016-03-07 CN CN201620175336.6U patent/CN205479956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546270A (en) * | 2016-03-07 | 2016-05-04 | 深圳市巍特工程技术有限公司 | Lining structure, pipe and pipe repairing method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: The streets of Buji Gan Li Industrial Park of Longgang District, Shenzhen City, Guangdong province 518000 Gan Li six road No. 12 Hisense innovation industrial city 12 building 4 layer 404 Patentee after: Shenzhen city Wei special environmental Polytron Technologies Inc Address before: The streets of Buji Gan Li Industrial Park of Longgang District, Shenzhen City, Guangdong province 518112 Gan Li six road No. 12 Hisense Science Park building third, 404 Patentee before: SHENZHEN WEITE ENGINEERING TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |