CN205842002U - PVC supplying drainage - Google Patents
PVC supplying drainage Download PDFInfo
- Publication number
- CN205842002U CN205842002U CN201620784607.8U CN201620784607U CN205842002U CN 205842002 U CN205842002 U CN 205842002U CN 201620784607 U CN201620784607 U CN 201620784607U CN 205842002 U CN205842002 U CN 205842002U
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- Prior art keywords
- pvc
- layer
- supplying drainage
- inner tube
- outer tube
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- 229920003023 plastic Polymers 0.000 claims description 7
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
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- 229920002981 polyvinylidene fluoride Polymers 0.000 claims 1
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
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- 229910017604 nitric acid Inorganic materials 0.000 description 1
- NICDRCVJGXLKSF-UHFFFAOYSA-N nitric acid;trihydrochloride Chemical compound Cl.Cl.Cl.O[N+]([O-])=O NICDRCVJGXLKSF-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
A kind of PVC supplying drainage disclosed in this utility model, including body, described body includes PVC outer tube 1 and PVC inner tube 2, wherein, arranges enhancement layer 3 between PVC outer tube 1 and PVC inner tube 2, and PVC outer tube 1 and PVC inner tube 2 connects by enhancement layer 3 is fixing；The inside of PVC inner tube 2 arranges waterproof anti-corrosion layer 4, and the outer wall of the inwall of PVC inner tube 2 and waterproof anti-corrosion layer contacts；The outside of PVC outer tube 1 arranges pipe insulating layer 5, and the inwall of the outer wall of PVC outer tube 1 and pipe insulating layer 5 contacts；The outside of pipe insulating layer 5 arranges wearing layer 6, and the inwall of the outer wall of pipe insulating layer 5 and wearing layer 6 contacts.The PVC supplying drainage that this utility model provides improves the intensity of pipeline, bearing capacity, corrosion resistance, anti-blocking frost resistance etc. by enhancement layer 3, waterproof anti-corrosion layer 4, pipe insulating layer 5 and wearing layer 6, substantially prolongs the service life of PVC supplying drainage.
Description
Technical field
This utility model relates to supplying drainage technical field, particularly relates to a kind of PVC supplying drainage.
Background technology
Traditional pipeline is mostly cast iron pipe, coating steel pipe, pipe of cement, pipe of concrete etc., compared with conventional pipelines, plastics
Tubing has energy-saving material-saving, environmental protection, high-strength light, corrosion-resistant, inner wall smooth non-scaling, constructs and keep in repair simplicity, service life
The advantage such as long, is widely used in building water supply and drainage, town and country plumbing, gas, electric power and cable jacket, industrial fluids defeated
Give, building industry, municipal administration, industry and the agriculture field such as agricultural irrigation.Plastic conduit is in the numerous ingredient of chemical building material
Individual important branch, from the different classification using chemical materials, plastic conduit can be divided into polrvinyl chloride (polyvinyl
Chloride, is called for short PVC) pipe, polyethylene (polyethylene is called for short PE) pipe etc.
Prior art provides a kind of supplying drainage, and as shown in Figure 1 and Figure 2, this supplying drainage includes PVC outer layer 01 and PVC
Internal layer 02, and PVC outer layer 01 and PVC internal layer 02 is fixed together by reinforcement 04；PVC outer layer 01 and PVC internal layer 02
Between steel cylinder 03 is set, the outer wall of steel cylinder 03 is uniformly arranged 3-4 exhausting hole, facilitates the formation of reinforcement 04.This supplying drainage
The characteristics such as the high rigidity by the corrosion resistance of pvc pipe and steel cylinder combine, and substantially increase the service life of pipeline.
The inside of PVC outer layer 01 and the both sides of steel cylinder 03 are respectively provided with buffer layer 05, reduce pipeline in transport and the damage of the process of use.
Although PVC pipeline has excellent performance, simple, reliable, easy to maintenance, the length in service life of constructing, invests into
This advantage such as the lowest, but, itself elastic modelling quantity of PVC material is low, and intensity is low, and after stress, deformation is big, pipeline under low temperature environment
Easily ftracture and cause and leak.It addition, the sewage of discharge usually includes the solid particles such as a large amount of mud, dirt, the most also wrap
Including the chemicals of some severe corrosives, therefore, common PVC drain pipe is it occur frequently that line clogging or leak because of corrosion
Phenomenon.
Utility model content
The problem of pipe leakage, this reality is caused for overcoming correlation technique exists intensity is low, be weak to burn into easily to block bursting by freezing
With novel offer one PVC supplying drainage.
In order to solve above-mentioned technical problem, this utility model following technical scheme of offer:
The PVC supplying drainage that this utility model provides includes that body, described body include PVC outer tube and PVC inner tube, its
In:
Enhancement layer is set between described PVC outer tube and PVC inner tube, and described PVC outer tube and PVC inner tube are by described enhancing
Layer is fixing to be connected；
The inside of described PVC inner tube arranges waterproof anti-corrosion layer, and the inwall of described PVC inner tube and described waterproof anti-corrosion
The outer wall of layer contacts；
The outside of described PVC outer tube arranges pipe insulating layer, and the outer wall of described PVC outer tube and described pipe insulating layer
Inwall contacts；
The outside of described pipe insulating layer arranges wearing layer, and the inwall phase of the outer wall of described pipe insulating layer and wearing layer
Contact.
Preferably, in above-mentioned PVC supplying drainage, in described enhancement layer includes oven wire mesh blanket, and described PVC outer tube, PVC
Pipe and oven wire mesh blanket are integral moldings.
Preferably, in above-mentioned PVC supplying drainage, described waterproof anti-corrosion layer includes polytetrafluoroethylene floor.
Preferably, in above-mentioned PVC supplying drainage, described waterproof anti-corrosion layer arranges guiding gutter, and described guiding gutter
It is shaped as spiral type.
Preferably, in above-mentioned PVC supplying drainage, described pipe insulating layer includes insulating rubber plastic layer.
Preferably, in above-mentioned PVC supplying drainage, described wearing layer includes PP layer, HDPE layer.
Preferably, in above-mentioned PVC supplying drainage, the inner wall smooth of described waterproof anti-corrosion layer, the appearance of described wearing layer
Face is uniformly arranged some projections.
Preferably, in above-mentioned PVC supplying drainage, the outer surface of described wearing layer arranges helical corrugation.
Preferably, in above-mentioned PVC supplying drainage, the cross sectional shape of described PVC supplying drainage is circular, and its outside dimension
For 25-335 millimeter.
The technical scheme that this utility model provides can include following beneficial effect:
The PVC supplying drainage that this utility model provides includes that body, body include PVC outer tube and PVC inner tube, PVC outer tube
And arrange enhancement layer between PVC inner tube, and PVC outer tube and PVC inner tube connect by enhancement layer is fixing, considerably increase outside PVC
Pipe and the intensity of PVC inner tube；The inside of PVC inner tube arranges waterproof anti-corrosion layer, and the inwall of PVC inner tube and waterproof anti-corrosion layer
Outer wall contact, thus the blocking such as mud, dirt or severe corrosive chemicals corrosion pipeline in avoiding pipeline, in turn result in pipe
Road leaks；The outside of PVC outer tube arranges pipe insulating layer, and the inwall of the outer wall of PVC outer tube and pipe insulating layer contacts, can
So that pipeline to be incubated, prevent frost crack pipe under cold environment from leaking；The outside of pipe insulating layer arranges wearing layer, and pipeline
The outer wall of heat-insulation layer and the inwall of wearing layer contact, and protect pipeline, prevent pipeline from grinding during transport or use
Damage.The PVC supplying drainage that this utility model provides is by enhancement layer, waterproof anti-corrosion layer, pipe insulating layer and wearing layer, significantly
Improve the intensity of pipeline, anticorrosive property, anti-freezing anti-blocking, extend the service life of pipeline.
It should be appreciated that it is only exemplary and explanatory, not that above general description and details hereinafter describe
This utility model can be limited.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet of the present utility model
Embodiment, and be used for explaining principle of the present utility model together with description.
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, for ordinary skill people
For Yuan, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The cross section structure schematic diagram of a kind of supplying drainage that Fig. 1 provides for prior art；
The structural representation of steel cylinder in a kind of supplying drainage that Fig. 2 provides for prior art；
The cross section structure schematic diagram of a kind of PVC supplying drainage that Fig. 3 provides for this utility model embodiment；
The cross-sectional view of a kind of PVC supplying drainage that Fig. 4 provides for this utility model embodiment；
The cross section structure schematic diagram of the another kind of PVC supplying drainage that Fig. 5 provides for this utility model embodiment；
Fig. 1-Fig. 5 symbol represents:
1-PVC outer tube, 2-PVC inner tube, 3-enhancement layer, 4-waterproof anti-corrosion layer, 5-pipe insulating layer, 6-wearing layer, 7-
Guiding gutter.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with this utility model.On the contrary, they be only with such as
The example of the apparatus and method that aspects that described in detail in appended claims, more of the present utility model are consistent.
Embodiment one:
Seeing Fig. 3, Fig. 4, Fig. 3 shows the cross section basic structure of the PVC supplying drainage that this utility model embodiment provides,
Fig. 4 shows the section basic structure of the PVC supplying drainage that this utility model embodiment provides.
As shown in Figure 3, Figure 4, the PVC supplying drainage that this utility model embodiment provides includes that body, described body include
PVC outer tube 1 and PVC inner tube 2, wherein:
Enhancement layer 3 is set between PVC outer tube 1 and PVC inner tube 2, and PVC outer tube 1 and PVC inner tube 2 is fixed by enhancement layer 3
Connect.The outer wall of PVC inner tube 2 and the inwall of enhancement layer 3 contact, and the outer wall of enhancement layer 3 and the inwall of PVC outer tube 1 contact,
Enhance intensity and the bearing capacity of PVC outer tube 1 and PVC inner tube 2, it is to avoid PVC outer tube 1 and PVC inner tube 2 is in transport or uses
By flexural deformation during greater impact or fracture in journey, substantially prolongs the service life of pipeline.
For improving the intensity of PVC outer tube 1 and PVC inner tube 2 further, enhancement layer 3 is oven wire mesh blanket, and PVC outer tube 1,
PVC inner tube 2 and oven wire mesh blanket are integral type extrusion moulding, i.e. when processing body, and PVC outer tube 1, PVC inner tube 2 and enhancement layer
3 molding simultaneously, combine the high rigidity of pvc pipe body and oven wire mesh blanket, can be effectively improved the structural strength of pipeline.
Preferably, oven wire mesh blanket can be that rustless steel steel wire, galvanized wire etc. have the metal wire knitted of high intensity and form, it is also possible to
Being that other have the material layer of high intensity, it all should belong to the protection domain of this utility model embodiment.
For strengthening the corrosion resistance of pipeline, the inside of PVC inner tube 2 arranges waterproof anti-corrosion layer 4, and the inwall of PVC inner tube 2
Contact with the outer wall of waterproof anti-corrosion layer 4.Waterproof anti-corrosion layer 4 is polytetrafluoroethylene floor, politef
(polytetrafluoroethylene is called for short PTFE), having splendid corrosion resistance and water proofing property, chemical property is very
Stable, it is resistant to hydrochloric acid, sulphuric acid, nitric acid and the chloroazotic acid of boiling, is also resistant to various concentrated base and organic solvent, Applicable temperature-180 DEG C-
250 DEG C, decomposition temperature is 415 DEG C, is therefore possible to prevent the severe corrosive of chemicals in pipeline to cause pipe leakage, protects further
Protect pipeline.
Waterproof anti-corrosion layer 4 can also be carbon fiber, and carbon fiber is a kind of to have very high intensity and the high temperature resistant fibre of modulus
Dimension, it not only has the intrinsic intrinsic property of material with carbon element, has again the soft machinability of textile fabric concurrently, simultaneously organic molten
In agent, acid, alkali insoluble the most swollen, there is splendid corrosion resistance, can be with protective conduit, it is to avoid chemicals corrosion pipeline in pipeline.
For strengthening the anti-freezing property of pipeline, the outside of PVC outer tube 1 arranges pipe insulating layer 5, and the outer wall of PVC outer tube 1 and
The inwall of pipe insulating layer 5 contacts.Pipe insulating layer 5 is insulating rubber plastic layer, insulating rubber plastic be every cold, heat insulation,
The jinx of anti-condensation, the coefficient of heat conduction is low and keeps stable, and any thermal medium is risen isolation effect, have environmental protection, aging resistance,
The characteristics such as anti-severe cold, moisture resistant, pliability height, good heat insulation, cladding power are strong, are possible to prevent that ambient temperature is relatively low causes pipeline burst
Situation occur, extend the service life of pipeline greatly.Pipe insulating layer 5 can also is that phenolic foam material layer, poly-ammonia
The adiabator layers such as ester sponge layer, glass cotton, it all should belong to the protection domain of this utility model embodiment.
For further enhancing the service life of PVC supplying drainage, the outside of pipe insulating layer 5 arranges wearing layer 6, and pipeline
The outer wall of heat-insulation layer 5 and the inwall of wearing layer 6 contact.Wearing layer 6 is PP layer, HDPE layer, and PP (polypropylene, poly-third
Alkene) degree of crystallinity higher, compound with regular structure, there is excellent mechanical property, its intensity, hardness, elasticity are the highest；HDPE
(high density polyethylene, high density polyethylene (HDPE)) is a kind of degree of crystallinity thermoplastic resin high, nonpolar, it
Having good thermostability and tolerance to cold, chemical stability is good, also has higher rigidity and toughness, and mechanical strength is good.PP layer,
HDPE layer all has high rigidity, high-wearing feature, is possible to prevent PVC supplying drainage damaged because of friction during transport or use
For preventing PVC supplying drainage from blocking, the inner wall smooth of waterproof anti-corrosion layer 4, inner wall smooth is so that sewage stream
Smoothness is smooth, it is to avoid pipeline produces blocking, fouling, pollution etc., and flushing is convenient, more easy to clean, thus pipeline is difficult to aging, use
Life-span is long.
For convenience of transport and the installation of pipeline, the outer surface of wearing layer 6 is uniformly arranged some projections or helical corrugation, increases
Frictional force, can be anti-skidding, simultaneously facilitates transport and uses, preventing pipeline scratch the most to a certain extent.
The cross sectional shape of the PVC supplying drainage provided in this utility model embodiment is circular, and its diameter of section is a size of
25-335 millimeter.It should be pointed out that, that the cross sectional shape of PVC supplying drainage is not limited in circle, such as ellipse etc., it belongs to this
The protection domain of utility model.
The PVC supplying drainage that this utility model embodiment provides includes that body, body include PVC outer tube 1 and PVC inner tube 2,
Enhancement layer 3 is set between PVC outer tube 1 and PVC inner tube 2, and PVC outer tube 1 and PVC inner tube 2 connects by enhancement layer 3 is fixing, increases
The intensity of strong PVC outer tube 1 and PVC inner tube 2 and bearing capacity；The inside of PVC inner tube 2 arranges waterproof anti-corrosion layer 4, and PVC
The inwall of inner tube 2 and the outer wall of waterproof anti-corrosion layer 4 contact, and enhance the corrosion resistance of pipeline, it is to avoid pipeline is because of corrosion
And leak；The outside of PVC outer tube 1 arranges pipe insulating layer 5, and the inwall of the outer wall of PVC outer tube 1 and pipe insulating layer 5 connects
Touching, pipe insulating layer 5 can play the effect of insulation, prevents pipeline burst under low temperature environment from causing leaking；Pipe insulating layer 5
Outside arranges wearing layer 6, and the inwall of the outer wall of pipe insulating layer 5 and wearing layer 6 contacts, and prevents pipeline from transport or using
During damaged because of friction；Some projections or helical corrugation be set on the outer surface of wearing layer 6, increase frictional force, prevent because of
Skid and cause the inconvenience of pipeline transportation or use.This utility model embodiment provide PVC supplying drainage by enhancement layer 3,
Waterproof anti-corrosion layer 4, pipe insulating layer 5 and wearing layer 6, enhance the intensity of pipeline, corrosion resistance, frost resistance, anti-blocking property etc.
Performance, substantially increases the service life of pipeline.
Embodiment two:
Seeing Fig. 5, the another kind of cross section that the figure shows the PVC supplying drainage that this utility model embodiment provides is tied substantially
Structure.
As it is shown in figure 5, for prevent line clogging further, the inwall of waterproof anti-corrosion layer 4 arranges some guiding gutters 7,
And guiding gutter 7 be shaped as spiral type；In pipeline, current flow along guiding gutter 7 when spiral type guiding gutter 7, specification water
The flow velocity of current in the direction of stream, and then enhancing water supply and sewerage pipeline, thus reduce the plugging rate of supplying drainage, improve making of pipeline
Use the life-span.
The present embodiment and the something in common of embodiment one, can be found in embodiment one, and here is omitted.
The PVC supplying drainage that this utility model embodiment provides includes that body, body include PVC outer tube 1 and PVC inner tube 2,
Enhancement layer 3 is set between PVC outer tube 1 and PVC inner tube 2, and PVC outer tube 1 and PVC inner tube 2 connects by enhancement layer 3 is fixing, increases
Strong layer 3 enhances intensity and the bearing capacity of PVC outer tube 1 and PVC inner tube 2；The inside of PVC inner tube 2 arranges waterproof anti-corrosion layer
4, and the outer wall of the inwall of PVC inner tube 2 and waterproof anti-corrosion layer 4 contacts, and enhances the corrosion resistance of pipeline, it is to avoid pipeline
Leak because of corrosion；Some guiding gutters 7 are set on the inwall of waterproof anti-corrosion layer 4, and guiding gutter 7 be shaped as spiral type, spiral shell
Rotation shape guiding gutter can strengthen the flow velocity of current in pipeline, thus reduces the plugging rate of pipeline；The outside of PVC outer tube 1 arranges pipe
Road heat-insulation layer 5, and the inwall of the outer wall of PVC outer tube 1 and pipe insulating layer 5 contacts, pipe insulating layer 5 can play insulation
Effect, prevents pipeline burst under low temperature environment from causing leaking；The outside of pipe insulating layer 5 arranges wearing layer 6, and pipe insulating layer
The outer wall of 5 and the inwall of wearing layer 6 contact, and prevent pipeline damaged because of friction during transport or use；Wearing layer 6
Some projections or helical corrugation are set on outer surface, increase frictional force, prevent from causing because skidding the not side of pipeline transportation or use
Just.The PVC supplying drainage that this utility model embodiment provides is by enhancement layer 3, waterproof anti-corrosion layer 4, pipe insulating layer 5, resistance to
Mill layer 6 and guiding gutter 7, enhance the performances such as the intensity of pipeline, corrosion resistance, frost resistance, anti-blocking property, substantially increase pipeline
Service life.
Those skilled in the art, after considering description and putting into practice the disclosure of utility model here, will readily occur to this practicality
Other novel embodiment.The application is intended to any modification of the present utility model, purposes or adaptations, these
Modification, purposes or adaptations are followed general principle of the present utility model and include undocumented skill of this utility model
Common knowledge in art field or conventional techniques means.Description and embodiments is considered only as exemplary, of the present utility model
True scope and spirit are pointed out by claim below.
It should be appreciated that this utility model is not limited to accurate knot described above and illustrated in the accompanying drawings
Structure, and various modifications and changes can carried out without departing from the scope.Scope of the present utility model is only wanted by appended right
Ask and limit.
Claims (9)
1. a PVC supplying drainage, it is characterised in that including: body, described body includes PVC outer tube (1) and PVC inner tube
(2), wherein:
Enhancement layer (3) is set between described PVC outer tube (1) and PVC inner tube (2), and described PVC outer tube (1) and PVC inner tube (2)
Connect by described enhancement layer (3) is fixing；
The inside of described PVC inner tube (2) arranges waterproof anti-corrosion layer (4), and the inwall of described PVC inner tube (2) and described waterproof
The outer wall of corrosion-resistant coating (4) contacts；
The outside of described PVC outer tube (1) arranges pipe insulating layer (5), and the outer wall of described PVC outer tube (1) and described pipeline are protected
The inwall of temperature layer (5) contacts；
The outside of described pipe insulating layer (5) arranges wearing layer (6), and the outer wall of described pipe insulating layer (5) and described wear-resisting
The inwall of layer (6) contacts.
PVC supplying drainage the most according to claim 1, it is characterised in that described enhancement layer (3) includes oven wire mesh blanket,
And described PVC outer tube (1), PVC inner tube (2) and oven wire mesh blanket are integral moldings.
PVC supplying drainage the most according to claim 1, it is characterised in that described waterproof anti-corrosion layer (4) includes polytetrafluoro
Pvdf layer.
PVC supplying drainage the most according to claim 3, it is characterised in that on described waterproof anti-corrosion layer (4), water conservancy diversion is set
Groove (7), and described guiding gutter (7) be shaped as spiral type.
PVC supplying drainage the most according to claim 1, it is characterised in that described pipe insulating layer (5) includes that rubber and plastic is incubated
Material layer.
PVC supplying drainage the most according to claim 1, it is characterised in that described wearing layer (6) includes PP layer, HDPE layer.
PVC supplying drainage the most according to claim 6, it is characterised in that the inwall light of described waterproof anti-corrosion layer (4)
Sliding, the outer surface of described wearing layer (6) is uniformly arranged some projections.
PVC supplying drainage the most according to claim 7, it is characterised in that the outer surface of described wearing layer (6) arranges spiral
Ripple.
9. according to the PVC supplying drainage described in any one of claim 1-8, it is characterised in that the cross section of described PVC supplying drainage
Generally circular in shape, and its outside dimension is 25-335 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784607.8U CN205842002U (en) | 2016-07-25 | 2016-07-25 | PVC supplying drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784607.8U CN205842002U (en) | 2016-07-25 | 2016-07-25 | PVC supplying drainage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205842002U true CN205842002U (en) | 2016-12-28 |
Family
ID=57625693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620784607.8U Expired - Fee Related CN205842002U (en) | 2016-07-25 | 2016-07-25 | PVC supplying drainage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205842002U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918007A (en) * | 2017-03-02 | 2017-07-04 | 苏州科技大学 | A kind of energy-saving street lamp with real-time monitoring and control |
| CN108930322A (en) * | 2017-05-22 | 2018-12-04 | 天津宝丽杰涂料有限公司 | A kind of drainpipe with fireproof coating |
| CN112178306A (en) * | 2020-09-24 | 2021-01-05 | 泰州市圣普瑞弹簧有限公司 | Mute water drainage pipe |
| CN114654813A (en) * | 2022-03-05 | 2022-06-24 | 王彦 | Multi-process flexible layer for composite hose |
-
2016
- 2016-07-25 CN CN201620784607.8U patent/CN205842002U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918007A (en) * | 2017-03-02 | 2017-07-04 | 苏州科技大学 | A kind of energy-saving street lamp with real-time monitoring and control |
| CN108930322A (en) * | 2017-05-22 | 2018-12-04 | 天津宝丽杰涂料有限公司 | A kind of drainpipe with fireproof coating |
| CN112178306A (en) * | 2020-09-24 | 2021-01-05 | 泰州市圣普瑞弹簧有限公司 | Mute water drainage pipe |
| CN114654813A (en) * | 2022-03-05 | 2022-06-24 | 王彦 | Multi-process flexible layer for composite hose |
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| CF01 | Termination of patent right due to non-payment of annual fee |