CN209229222U - A kind of novel self-locking stainless steel inner lining tube for pipeline rehabilitation - Google Patents
A kind of novel self-locking stainless steel inner lining tube for pipeline rehabilitation Download PDFInfo
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- CN209229222U CN209229222U CN201821202060.1U CN201821202060U CN209229222U CN 209229222 U CN209229222 U CN 209229222U CN 201821202060 U CN201821202060 U CN 201821202060U CN 209229222 U CN209229222 U CN 209229222U
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Abstract
The utility model discloses a kind of novel self-locking stainless steel inner lining tubes for pipeline rehabilitation, the reparation suitable for the water supply and sewerage pipeline that structural defect is rupture, leakage, burn into disconnection etc..The utility model self-locking stainless steel inner lining tube is welded with self-locking stainless steel band, cassette tape and trapezoidal buckle on surface, connection between the fixation of novel self-locking stainless steel inner lining tube own form and adjacent two sections of internal lining pipes is completed by self-locking stainless steel band, cassette tape and trapezoidal buckle, without welding.Repair to pipeline using the utility model is the multiple tube for becoming old pipeline to be amenable to use for a long time, the structure of multiple tube is that outermost layer is original pipeline, innermost layer is novel self-locking stainless steel inner lining tube, it is filled between original pipeline and novel self-locking stainless steel inner lining tube with epoxy resin, construction method is simple, the repairing quality for greatling improve pipeline, the construction for reducing pipeline rehabilitation are influenced to the work and life bring of surrounding natural environment and people.
Description
Technical field
The utility model belongs to the field of municipal water supply and sewerage pipeline non-excavation rehabilitation, and specially a kind of novel self-locking is stainless
Steel lining pipe.
Background technique
In urban construction, underground water supply and drainage pipeline is one of part mostly important in urban infrastructure, but due to pipe
Material is outmoded, construction quality is poor and the influence factor of surrounding, such as building excavation around, earthquake etc., and many pipelines all occur
The problems such as corrosion, leak, rupture, seriously affects use the function of pipeline, or even influence traffic and other electric power, communication tube
Line, or even pavement destruction is caused, therefore be in time very necessary to water supply and sewerage pipeline reparation.
Traditional water supply and sewerage pipeline trenchless rehabilitation method expends a large amount of manpower and material resources, seriously affects traffic, in society and
In terms of Environmental costs, no-dig technique method is the fabulous alternative of excavating load, and non-excavation rehabilitation reduces road excavation amount, not only
It is inconvenient to people's life bring to substantially reduce repairing construction, and the short time limit of recovery project, construction safety.
Wherein, as main non-excavation repairing technique, made using the technology that stainless steel inner lining tube repairs pipeline
With very extensively.Current stainless steel inner lining recovery technique mainly passes through excavation active well, prefabricated internal lining pipe is transported to original
In pipeline, after internal lining pipe is booked in institute's bushing pipe road successively and is held round with expansion frame, with the method secure liner pipe of welding
Final shape and the overlap joint for completing two sections of internal lining pipes.This recovery technique needs construction worker to enter inside pipeline to liner
Pipe is welded, and due to narrow space, insufficient light in pipeline, is constructed extremely inconvenient and dangerous, welding be easy to appear burning,
Have on weld seam stomata, crackle, overlap, sting meat, arc crater, it is lack of penetration the problems such as, not can guarantee the quality of reparation.
The main reason for above problem occurs is: welding operation is very difficult in pipeline, and the quality of welding not can guarantee.
In response to this problem, the utility model provides a kind of novel self-locking stainless steel inner lining tube, using in the utility model self-locking stainless steel
Bushing pipe pipe-repairing does not need to be welded in pipeline.
Utility model content
The utility model is in view of the deficienciess of the prior art, propose a kind of novel self-locking for pipeline rehabilitation not
Become rusty steel lining pipe, suitable for the structural defect that diameter is 500mm to 4000mm be rupture, leakage, burn into disconnect situations such as
Water supply and sewerage pipeline reparation.
A kind of novel self-locking stainless steel inner lining tube, is formed by stainless-steel roll coiled sheet system, and the stainless steel roll bending is square
Shape, length are 2 meters, and width is that internal lining pipe perimeter to be repaired adds 50mm, the stainless steel roll bending outer surface corresponding position weldering
There is self-locking stainless steel band, lap-joint is set on the inside of two short side of stainless steel roll bending, lap-joint's width is 100mm, is removed
It is effectively using area outside lap-joint, further, the lap-joint is divided into upstream lap-joint and downstream lap-joint, and described is upper
Trip lap-joint's inner surface is welded with trapezoidal buckle, and the downstream lap-joint inner surface is welded with cassette tape, and the novel self-locking is not
Connection between the fixation and adjacent two sections of internal lining pipes of rust steel lining pipe own form is by self-locking stainless steel band, cassette tape
It is completed with trapezoidal buckle.
A kind of novel self-locking stainless steel inner lining tube, it is characterised in that: the stainless steel roll bending effectively makes
With area with a thickness of 2mm, the lap-joint of two sides with a thickness of 1mm, effective use of upstream lap-joint outer surface and stainless steel roll bending
Area outer surface flushes, and downstream lap-joint inner surface is flushed with the effective of stainless steel roll bending using area's inner surface.
A kind of novel self-locking stainless steel inner lining tube, it is characterised in that: the self-locking stainless steel band is thick
Degree is 1mm, and width 50mm, the self-locking stainless steel band is split type structure, including tapered end and band two parts, institute
The band surface stated is equipped with Ling Wen in addition to band tail end.
A kind of novel self-locking stainless steel inner lining tube, it is characterised in that: the self-locking stainless steel band
Welding direction is vertical with long side, and the middle part of the stainless steel roll bending and in the middle part of stainless steel roll bending at 400mm
1 stainless steel band is welded, is i.e. is welded with 3 stainless steel bands, the self-locking stainless steel on every piece of stainless steel roll bending
Band is welded on the construction procedure on stainless steel roll bending are as follows: first welds tapered end, the position of fixed tapered end in stainless steel roll bending outer surface
It sets, after stainless-steel roll coiled sheet rises, band tail end is made to pass through tapered end, and band tail end is welded in the length of stainless steel roll bending another side
Bian Shang.
A kind of novel self-locking stainless steel inner lining tube, it is characterised in that: the trapezoidal buckle is high with a thickness of 1mm
Degree is 30mm, and the upper a length of 10mm in bottom, go to the bottom a length of 20mm.
A kind of novel self-locking stainless steel inner lining tube, it is characterised in that: in the upstream lap-joint of stainless steel roll bending,
A trapezoidal buckle, and the upper bottom of trapezoidal buckle and bottom and stainless steel are welded with along the every 100mm of stainless steel roll bending short side direction
Roll bending short side is parallel, and bottom distance effectively uses area 50mm, and the bottom of the trapezoidal buckle is connected with upstream lap-joint inner surface
It connects, trapezoidal remaining position of buckle is separated with upstream lap-joint surface.
A kind of novel self-locking stainless steel inner lining tube, it is characterised in that: the cassette tape is with a thickness of 1mm, width
For 20mm, length 400mm.
A kind of novel self-locking stainless steel inner lining tube, it is characterised in that: the cassette tape is welded on stainless-steel roll
The downstream lap-joint of plate, apart from stainless-steel roll edges of boards edge 50mm, and 3 cards weld in the downstream lap-joint of every piece of stainless steel roll bending
Band, the cassette tape need to be equally spaced after stainless-steel roll coiled sheet rises, and the both ends of cassette tape are connected with downstream lap-joint, in the middle part of cassette tape
Lap-joint separates with downstream.
A kind of novel self-locking stainless steel inner lining tube, it is characterised in that: stainless steel roll bending therein, self-locking are not
The material of rust steel band, cassette tape and buckle is 304 type of stainless steel food-grade.
Pipeline is repaired and is reinforced using the utility model self-locking stainless steel inner lining tube, internal lining pipe by epoxy resin with
Former pipeline bonding, therefore it is original pipeline that its tactic pattern, which is outermost layer, innermost layer is novel self-locking stainless steel inner lining tube,
It is filled between original pipeline and novel self-locking stainless steel inner lining tube with epoxy resin.Original pipeline can be various materials
, internal lining pipe is stainless steel, has the characteristics that anti-corrosion, antiseep etc. are outstanding.The main function of intermediate epoxy resin is to make
Stainless steel inner lining tube is fitted closely with original pipeline, is eliminated the gap between original pipeline and stainless steel pipes, is enhanced pipeline
Rigidity enhances the bearing capacity of pipeline so that pipeline be enable to bear bigger pressure.
Novel self-locking stainless steel inner lining tube fixation principle are as follows: the outer lateral edge of novel self-locking stainless steel inner lining tube is parallel to not
The direction of rust rolled steel plate short slab, is welded with self-locking stainless steel band (4), the effect of self-locking stainless steel band is: in internal lining pipe
It no longer changes in being held round rear diameter in original pipeline, with the shape for keeping internal lining pipe final.Novel self-locking is not
The upstream lap-joint at rust steel lining pipe both ends is welded with trapezoidal buckle (9), and downstream lap-joint is welded with cassette tape (8), and adjacent two sections novel
Self-locking stainless steel inner lining tube is connected by cassette tape (8) with trapezoidal buckle (9).
A kind of novel self-locking stainless steel inner lining tube for pipeline rehabilitation, construction procedure and principle are main are as follows:
The first step designs the size of stainless steel roll bending according to the diameter of pipe-repairing, and stainless steel roll bending long side is 2m,
The length of short side is that practical internal lining pipe perimeter adds 50mm.
Second step, has self-locking stainless steel band (4), cassette tape (8) and trapezoidal buckle (9) made to order, stainless steel roll bending middle part, with
And 1 stainless steel band is being welded at 400mm in the middle part of stainless steel roll bending, i.e. 3 are welded on every piece of stainless steel roll bending
Self-locking stainless steel band, in the outside of stainless steel roll bending, the tapered end for self-locking stainless steel band of first burn-oning along the long side direction；?
Upstream lap-joint inner surface welds a trapezoidal buckle, the bottom of trapezoidal buckle every 100mm along stainless steel roll bending short side direction
It is connected with upstream lap-joint inner surface, trapezoidal remaining position of buckle is separated with upstream lap-joint, in downstream lap-joint inner surface
It burn-ons 3 cassette tapes along the direction for being parallel to stainless steel roll bending short side, 3 cassette tapes are equally spaced after playing stainless-steel roll coiled sheet, and
The both ends of cassette tape are only welded, i.e. cassette tape both ends are fixed with stainless steel roll bending, are separated in the middle part of cassette tape with stainless steel roll bending, cassette tape distance
The distance of stainless steel roll bending short side edge and trapezoidal buckle bottom distance are effectively 50mm using the distance in area.
Every stainless steel roll bending is rolled into cylindrical shape on spheronizator, internal lining pipe pipe is made by third step, further, interior
Bushing pipe pipe diameter need to be slightly less than the diameter of pipeline to be repaired, and the band tail end of self-locking stainless steel band is then passed through lock
Head, and band tail end is welded in the long side of the other side of stainless steel roll bending, keep self-locking stainless steel band vertical with long side.
4th step excavates point according to the working pit that exploration field condition makes optimization, excavates working pit, working pit immediately
Cut off the water disconnected tube side-by-side vacant duct after the completion of excavation by pipe network department, pipe ends is blocked with sealing plate, it is ensured that construction safety.
5th step, each working pit break pipe guarantee for exposed steel pipe upper half excision, form active well, manage for keeping
Road ventilation checks original pipeline status, removes wall of the lumen scale, transport material, construction personnel's disengaging, tube-in-tube transition plates overlap joint
Deng；Each working pit prepares dredge pump vomit pipe internal water accumulation.
6th step, pipeline cleaning completely carry out tube wall processing afterwards, the bump that inner wall influences lining processing are polished, cement
Cement mortar screeding is used at defective tube.
7th step transports internal lining pipe pipe to construction site, smears epoxy resin on the outside of internal lining pipe pipe, needs to guarantee
It smears uniformly, and the thickness of epoxy resin need to be greater than 3mm, both ends are fixed with rubber band later, wind degree with natural, relaxation as mark
It is quasi-.
8th step uniformly applies in former inner wall of the pipe before internal lining pipe pipe is transported in former pipeline and spreads epoxy resin, applies
The epoxy thickness smeared is about 3mm, and the range of smearing recycles profession along length about 2m, the width 300mm of duct orientation
Internal lining pipe pipe is sent into former pipeline by active well, draws and arrive accurate location, and need internal lining pipe pipe by pipeline rehabilitation device
Longitudinal seam is placed on the place that former inner wall of the pipe is coated with glue-line, and further, upstream lap-joint is located at the upstream of water (flow) direction, downstream
Lap-joint is located at the downstream of water (flow) direction.
After obturator is accurately positioned, the air compressor machine equipped with pressure gauge is connected with the special purpose interface of inflation push pipe for 9th step,
Start obturator.Obturator inflation finishes and reaches matching pressure, keeps novel self-locking stainless steel inner lining tube and original pipeline tight
It thickly fits together, self-locking stainless steel band (4) also therewith after automatic locking, recycles obturator.
Tenth step repeats the work of the 7th step, the 8th step and the 9th step, next internal lining pipe pipe is transported to pipeline
Interior corresponding position determines the final shape of internal lining pipe；And the buckle of the cassette tape of second internal lining pipe (8) and first internal lining pipe
(9) it fastens, keeps two internal lining pipes closely coupled；Optimally, it should be noted that adjacent two sections of internal lining pipe longitudinal joint need to be staggered, and at least wrong
200mm is opened, cross crotch must not be formed with circumferential weld.
11st step repeats the seven, the eight, nine, the work of ten steps, until laying novel self-lock inside pipeline to be repaired
Formula stainless steel inner lining tube.
12nd step, after epoxy resin solidification, repair is completed.
Wherein, epoxy resin is spread in the painting of former inner wall of the pipe, it is ensured that after internal lining pipe pipe is softened, the length of internal lining pipe
It is filled between former pipeline by epoxy resin at edge lap, guarantees the good combination of internal lining pipe and former pipeline；Internal lining pipe is finally solid
After fixed molding, the overlapping of stainless-steel sheet occurs in long side lap-joint, passes through epoxy resin and former pipeline on the outside of stainless steel roll bending
It fits closely, and by the adjacent internal lining pipe compacting for being located at upstream when inside can be because of overlap joint, and after water flowing, water flow is to insides of pipes
Pressure energy increase be located at upstream internal lining pipe to be located at downstream internal lining pipe pressure, it is ensured that do not stick up internal lining pipe corner
It rises, insides of pipes water flow is not blocked, and is also not easy to accumulate sundries.
Compared with prior art, the utility model has the beneficial effects that: the pipe for being 500mm to 4000mm for diameter
Road reparation, and its pipeline configuration defect is rupture, leaks, when burn into disconnection, does not need to fix by welding interior
Connection between the shape of bushing pipe and adjacent internal lining pipe, reduces the difficulty of construction, and eliminates welding to pipeline rehabilitation
Quality bring adverse effect, strengthens the connection of internal lining pipe Yu original pipeline, enhances the overall stiffness of pipeline, enhances pipeline
Non-deformability, reduce pipeline and occur the probability of contraction distortion because of negative pressure problem, reduce pipe deforming and plumbing is made
At influence.The operation for carrying out pipeline rehabilitation using the utility model is feasible, is not necessarily to excavated pavement, small to surrounding environment influence.
Construction equipment and construction method are simple, and short construction period, noise is low, will not impact substantially to road traffic.It is managed after reparation
The interface quality stability in road is good, resistance to corrosion is strong, long service life, and project cost is low, free from environmental pollution, saving resource,
The image for making pipeline rehabilitation construct greatly is taken on a new look, and Social benefit and economic benefit is improved.
Detailed description of the invention
Fig. 1 is stainless steel roll bending top view.
Fig. 2 is stainless steel roll bending elevation.
Fig. 3 is cassette tape and trapezoidal buckle distribution schematic diagram.
Fig. 4 is the top view of self-locking stainless steel band.
Fig. 5 is the side view of self-locking stainless steel band.
Fig. 6 is that adjacent two sections of novel self-locking stainless steel inner lining tubes overlap schematic diagram.
Figure label explanation: 1- effectively uses area；The upstream 2- lap-joint；The downstream 3- lap-joint；4- band；5- tapered end；6-
Ling Wen；7- band tail end；8- cassette tape；The trapezoidal buckle of 9-.
Specific embodiment
One section of water supply line is repaired, which is 800mm, and average buried depth is 1.5 meters, the material of pipeline
Matter is divided into two sections, and one section is cast iron pipe, and length is 380 meters, and the other end is concrete reinforced pipe, and length is 560 meters.The water supplying pipe
Road is because of tube body aging, burn into interface fails, and there are transport power decline and the insufficient security risks of bearing capacity, since the section is
The important location of the communications and transportation in urban district, periphery are government administration area, provinces and cities, institutional settings and important enterprise, business office building,
Open-cut can not be carried out, novel self-locking stainless steel inner lining tube provided by the utility model can be used, the pipeline is repaired
It is multiple.
Repairing construction, the main flow of construction are carried out to the pipeline using the utility model self-locking stainless steel inner lining tube are as follows:
On-site land survey: the first step excavates point according to the working pit that exploration field condition makes optimization, excavates work immediately
Hole, working pit is 4 meters long, 3 meters wide, and feeding and operator import and export 2.5 meters, and working pit is cut off the water after the completion of excavating by pipe network department
Disconnected tube side-by-side vacant duct, pipe ends and each Zhi Guanyong sealing plate is blocked, it is ensured that construction safety；The disconnected pipe of each working pit
Guarantee to cut off the exposed steel pipe upper half, the length for the pipe that breaks is not less than 2 meters, and formation length is not less than 2.5 meters of active well, protects
Pipe ventilated is held, original pipeline status is checked, removes wall of the lumen scale, transport material, construction personnel's disengaging, tube-in-tube transition plates
The effects of overlap joint, each working pit prepare a 1.5kw dredge pump and exclude the pipe internal water accumulation cleared out in pigging process.
Second step clear up and handle original pipe wall to pipeline: by the job specification of the confined space, first
Pipeline is aerated with pressure fan, then includes oxygen amount and toxic gas content with gas detecting instrument detection pipeline, by pipeline
After pipeline cleaning is clean, the bump that inner wall influences lining processing is polished for the cleaning of the sundries such as interior silt, fouling, and pipe of cement lacks
It falls into place and uses cement mortar screeding.
Third step, novel self-locking stainless steel inner lining tube it is prefabricated: be prefabricated in the factory stainless steel roll bending, in stainless steel roll bending
Outer surface is burn-on the tapered end of stainless steel cassette tape, trapezoidal buckle and self-locking stainless steel band, and examines qualification, stainless steel roll bending
Length be 2m, width 1500mm, effectively using area with a thickness of 2mm, lap-joint with a thickness of 1mm, the handle on spheronizator
Every stainless steel roll bending is rolled into circular tube shaped, internal lining pipe pipe is made, pipe diameter is 600mm, self-locking stainless steel band
After band tail end passes through tapered end, band tail end is welded on the outer surface of other side long side of stainless steel roll bending, direction and length
Side is vertical.
Internal lining pipe pipe is transported to construction site, epoxy resin is smeared on the outside of internal lining pipe by the 4th step, need to guarantee to smear equal
It is even, and the thickness of epoxy resin need to be greater than 3mm, both ends are fixed with rubber band later, wind degree with natural, relaxation as standard.
5th step, before internal lining pipe is transported in former pipeline, staff uniformly applies in former inner wall of the pipe and spreads asphalt mixtures modified by epoxy resin
Rouge, epoxy thickness are about 3mm, along length about 2m, the width 300mm of duct orientation, recycle special pipeline obturator,
Internal lining pipe pipe is sent into former pipeline by active well, draws and arrives accurate location, and the longitudinal seam of pipe is needed to be placed on former pipe
Inner wall is coated with the place of glue-line, and upstream lap-joint is located at the upstream of water (flow) direction, and downstream lap-joint is located at the downstream of water (flow) direction.
After obturator is accurately positioned, the special purpose interface of air compressor machine and inflation push pipe equipped with pressure gauge is explained in detail for 6th step,
Start obturator.Obturator inflation finishes and reaches matching pressure, is closely adhered to stainless steel inner lining tube with original pipeline
Together, self-locking stainless steel band (4) recycles obturator also therewith after automatic locking.
7th step repeats the work of fourth, fifth, six steps, next internal lining pipe pipe is transported to corresponding position in pipeline,
Determine the final shape of internal lining pipe；Trapezoidal buckle (9) of the staff the novel self-locking stainless steel inner lining tube for being located at upstream
The cassette tape (8) that insertion is located at the novel self-locking stainless steel inner lining tube in downstream is intermediate, and second internal lining pipe is pulled outward, makes two sections
The cassette tape (8) and buckle (9) fastening, two sections of internal lining pipes of internal lining pipe are closely coupled.
The work of the 7th step is repeated, until laying stainless steel inner lining tube inside pipeline to be repaired.
After epoxy resin solidification, repair is completed.
The utility model is not limited to above embodiment, if the various changes or deformation to the utility model do not take off
Spirit and scope from the utility model, if these changes and deformation belong to the claims and equivalents of the utility model
Within the scope of, then the utility model is also intended to encompass these changes and deformation, and the utility model will be with the appended claims circle
Fixed range is as the protection scope of the utility model.
Claims (9)
1. a kind of novel self-locking stainless steel inner lining tube, it is characterised in that: formed by stainless-steel roll coiled sheet system, the stainless steel
Roll bending is rectangle, and length is 2 meters, and width is that internal lining pipe perimeter to be repaired adds 50mm, the stainless steel roll bending outer surface phase
It answers position to be welded with self-locking stainless steel band, lap-joint is set on the inside of two short side of stainless steel roll bending, lap-joint's width is
100mm is effectively using area in addition to lap-joint, and the lap-joint is divided into upstream lap-joint and downstream lap-joint, described
Upstream lap-joint inner surface is welded with trapezoidal buckle, and the downstream lap-joint inner surface is welded with cassette tape, and the novel self-locking is not
The fixation of rust steel lining pipe own form is completed by self-locking stainless steel band, and the connection between adjacent two sections of internal lining pipes is by cassette tape
It is completed with trapezoidal buckle.
2. a kind of novel self-locking stainless steel inner lining tube according to claim 1, it is characterised in that: the stainless-steel roll
Plate it is effective using area with a thickness of 2mm, the lap-joint of two sides with a thickness of 1mm, upstream lap-joint outer surface and stainless steel roll bending
It is effective flushed using area outer surface, downstream lap-joint inner surface is flushed with effective use area's inner surface of stainless steel roll bending.
3. a kind of novel self-locking stainless steel inner lining tube according to claim 1, it is characterised in that: the self-locking is not
Rust steel cable-tie thickness is 1mm, and width 50mm, the self-locking stainless steel band is split type structure, including tapered end and bundle
Band two parts, the band surface is equipped with Ling Wen in addition to band tail end.
4. a kind of novel self-locking stainless steel inner lining tube according to claim 1, it is characterised in that: the self-locking is not
Become rusty steel band vertical with the long side and described stainless steel roll bending of welding direction middle part and in stainless steel roll bending
1 stainless steel band is welded at portion 400mm, i.e. is welded with 3 stainless steel bands on every piece of stainless steel roll bending.
5. a kind of novel self-locking stainless steel inner lining tube according to claim 1, it is characterised in that: the trapezoidal buckle is thick
Degree is 1mm, is highly 30mm, the upper a length of 10mm in bottom, go to the bottom a length of 20mm.
6. a kind of novel self-locking stainless steel inner lining tube according to claim 1, it is characterised in that: in stainless steel roll bending
Upstream lap-joint is welded with a trapezoidal buckle along the every 100mm of stainless steel roll bending short side direction, and the upper bottom of trapezoidal buckle is under
Bottom is parallel with stainless steel roll bending short side, and bottom distance effectively uses area 50mm, the bottom of the trapezoidal buckle and upstream lap-joint
Inner surface is connected, and trapezoidal remaining position of buckle is separated with upstream lap-joint surface.
7. a kind of novel self-locking stainless steel inner lining tube according to claim 1, it is characterised in that: the cassette tape thickness
For 1mm, width 20mm, length 400mm.
8. a kind of novel self-locking stainless steel inner lining tube according to claim 1, it is characterised in that: the cassette tape welding
In the downstream lap-joint of stainless steel roll bending, apart from stainless-steel roll edges of boards edge 50mm, and the downstream lap-joint of every piece of stainless steel roll bending
3 cassette tapes are welded, the cassette tape need to be equally spaced after stainless-steel roll coiled sheet rises, and the both ends of cassette tape are connected with downstream lap-joint
It connects, is separated in the middle part of cassette tape with downstream lap-joint.
9. a kind of novel self-locking stainless steel inner lining tube according to claim 1, it is characterised in that: stainless-steel roll therein
Plate, self-locking stainless steel band, cassette tape and trapezoidal buckle material be 304 type of stainless steel food-grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202060.1U CN209229222U (en) | 2018-07-18 | 2018-07-18 | A kind of novel self-locking stainless steel inner lining tube for pipeline rehabilitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202060.1U CN209229222U (en) | 2018-07-18 | 2018-07-18 | A kind of novel self-locking stainless steel inner lining tube for pipeline rehabilitation |
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| Publication Number | Publication Date |
|---|---|
| CN209229222U true CN209229222U (en) | 2019-08-09 |
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Family Applications (1)
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| CN201821202060.1U Active CN209229222U (en) | 2018-07-18 | 2018-07-18 | A kind of novel self-locking stainless steel inner lining tube for pipeline rehabilitation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589323A (en) * | 2020-05-29 | 2020-08-28 | 乔婷婷 | Paste type agitator |
| CN115218060A (en) * | 2022-07-19 | 2022-10-21 | 中亿丰建设集团股份有限公司 | Method for repairing stainless steel thin-wall lining of large-diameter sewage pressure pipe |
-
2018
- 2018-07-18 CN CN201821202060.1U patent/CN209229222U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589323A (en) * | 2020-05-29 | 2020-08-28 | 乔婷婷 | Paste type agitator |
| CN115218060A (en) * | 2022-07-19 | 2022-10-21 | 中亿丰建设集团股份有限公司 | Method for repairing stainless steel thin-wall lining of large-diameter sewage pressure pipe |
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