CN106764114A - A kind of composite glass steel pipe for being easy to grafting - Google Patents
A kind of composite glass steel pipe for being easy to grafting Download PDFInfo
- Publication number
- CN106764114A CN106764114A CN201710067640.8A CN201710067640A CN106764114A CN 106764114 A CN106764114 A CN 106764114A CN 201710067640 A CN201710067640 A CN 201710067640A CN 106764114 A CN106764114 A CN 106764114A
- Authority
- CN
- China
- Prior art keywords
- pipe
- pipe sleeve
- protection pipe
- protection
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 12
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 239000010959 steel Substances 0.000 title claims abstract description 12
- 210000003462 vein Anatomy 0.000 claims abstract description 35
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000003463 adsorbent Substances 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 241000252254 Catostomidae Species 0.000 claims description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 abstract description 22
- 239000010410 layer Substances 0.000 abstract description 13
- 239000011241 protective layer Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
- F16L9/128—Reinforced pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
Abstract
The present invention relates to a kind of composite glass steel pipe for being easy to grafting, including pipe sleeve, a circle boss is provided with the left side inner ring side of the pipe sleeve, the right side inner ring side of pipe sleeve is provided with a ring groove, and the annular groove inner surface is adapted with boss outer surface；The inside of the pipe sleeve is along pipe sleeve axially through there is protection pipe, and the length of the protection pipe is identical with the length of pipe sleeve, and the left side of protection pipe is located at the left side left side of pipe sleeve, and protection pipe left side is provided with outer anti-slip veins on the outer peripheral face of the part of pipe sleeve；The part that protection pipe is not covered with the inwall of the pipe sleeve right side is provided with interior anti-slip veins.The present invention is by the way of the grafting that misplaces; avoid the overlap grafting in existing inserting mode; improve product utilization rate; reduce laying cost; the present invention is mutually spliced protection pipe using the glass reinforced plastic pipe with four-layer structure, used as doing internal layer protective layer; for accommodating cable, it is to avoid existing overlap inserting mode causes the rough phenomenon of interface.
Description
Technical field
The present invention relates to glass reinforced plastic pipe technical field, specifically a kind of composite glass steel pipe for being easy to grafting.
Background technology
Glass reinforced plastic pipe is also referred to as glass fiber winding clamp sand pipe (RPM pipes).Mainly with glass fibre and its product as strengthening material
Material, it is inorganic non-with quartz sand and calcium carbonate etc. with the unsaturated polyester resin of macromolecule component, epoxy resin etc. as stock
Metal particle material is filler as primary raw material.The standard effective length of pipe is 6m and 12m, and its preparation method has fixed length to wind
Three kinds of technique, spun casting technique and continuous winding technique.Can be according to the process of product, pressure rating PN and rigidity etc.
Level SN is classified.
Glass reinforced plastic pipe is with its unique strong corrosion resistant performance, inner surface is smooth, conveying energy consumption is low, long service life is (50
More than year), easy transportation and installation, maintenance cost is low and the low many advantages of comprehensive cost are in oil, electric power, chemical industry, papermaking, city
The industries such as city's plumbing, plant effuent treatment, desalinization, coal gas conveying are achieved and are widely applied.
As Urbanization Process In China is accelerated, in face of balance and the protection of population, resource and environment, governments at all levels are year by year
The input to urban infrastructure is increased, is needed with reference to advanced science and technology, tubing, the kind of pipe fitting and specification are enriched constantly,
Yield is continuously increased, quality improve constantly, especially Plastic Pipe Development faster, as the current bright spot of investment.Glass reinforced plastic pipe is just
One of them.
Glass reinforced plastic pipe when mounted, it is necessary to the internal diameter of one end is expanded, the internal diameter of the other end reduces, so as in connection,
The less one end grafting of size is set to enter the inside of the larger one end of internal diameter.However, in order to adapt to fiberglass internal diameter change, it is necessary to
The skimble-scamble mould of size is made when fiberglass is processed, mould production cost is increased, and one end of dimension enlargement is also more
Consume raw material.On the other hand, when grafting is carried out, in order to be fitted rigging error, it is necessary to the small one end of size with it is interior
Jumped a queue between the larger one end in footpath rubber seal, even so, it is unreliable sealing also often occur, easily pours water or in deep layer
During landfill, by the effect of soil pressure, glass reinforced plastic pipe is pressed amesiality by soil, so that soil enters from the space for offsetting out
Enter inside glass reinforced plastic pipe.
In using one section of glass reinforced plastic pipe filled in into other end glass reinforced plastic pipe, the overlap wave of glass reinforced plastic pipe is necessarily caused
Take, increased laying cost.
Glass reinforced plastic pipe of the prior art is material of main part due to using glass fibre, therefore workman passes through when being operated
Can often be abraded by burr.
The content of the invention
For the defect of above-mentioned technology, the present invention proposes a kind of composite glass steel pipe for being easy to grafting.
A kind of composite glass steel pipe for being easy to grafting, including pipe sleeve, are provided with the left side inner ring side of the pipe sleeve
One circle boss, the right side inner ring side of pipe sleeve is provided with a ring groove, and the annular groove inner surface is adapted with boss outer surface.
The inside of the pipe sleeve is along pipe sleeve axially through having protection pipe, the length of the protection pipe and the length phase of pipe sleeve
Together, the left side of protection pipe is located at the left side left side of pipe sleeve, and protection pipe left side is set on the outer peripheral face of the part of pipe sleeve
There are outer anti-slip veins；The part that protection pipe is not covered with the inwall of pipe sleeve right side is provided with interior anti-slip veins, the interior anti-slip veins with
The technological parameter of outer anti-slip veins is identical.
The left side of the protection pipe is provided with a circle adsorbent equipment, and the right side of protection pipe is the smooth of cooperation adsorbent equipment
Plane.
One layer of EVA glue layer is scribbled between the pipe sleeve and protection pipe.
The pipe sleeve outer surface is laid with a circle PE plastic layers.
The some gum boxs axially opened up along protection pipe are uniformly offered on the outer anti-slip veins.
The pipe sleeve is made up of fiberglass reinforced plastics.
The boss is made with pipe sleeve using integral forming process.
The protection pipe is managed for MPP.
The adsorbent equipment is the circle groove being opened on protection pipe left side, and the groove uses elastomeric material system
Into.
The adsorbent equipment is several suckers on protection pipe left side, the adsorption plane direction of the sucker
Left side.
The interior anti-slip veins are bar shaped anti-slip veins with outer anti-slip veins.
The beneficial effects of the invention are as follows：
1. the present invention will be lacked one section of glass reinforced plastic pipe of protection pipe and lacked one section with another by the way of the grafting that misplaces
The glass reinforced plastic pipe of pipe sleeve is plugged, it is to avoid the overlap grafting in existing inserting mode, improves product utilization rate, reduces paving
It is set as this.
2. the present invention is mutually spliced protection pipe using the glass reinforced plastic pipe with four-layer structure, as doing internal layer protective layer,
For accommodating cable, it is to avoid existing overlap inserting mode causes the rough phenomenon of interface, in long range drag cable,
The frictional force of cable and interface is reduced, is conducive to the laying of cable.
3. the present invention splices protection pipe with adjacent pipe sleeve by the way of interior anti-slip veins are mutually clamped with outer anti-slip veins, carries
Connection sealing high, while can avoid using rubber seal, glass reinforced plastic pipe phase adjacent during compression is not appeared in more
Mutually dislocation, substantially increases sealing.
4. the present invention increased the surface flatness of glass reinforced plastic pipe, it is to avoid operating personnel using one layer of PE plastics of parcel
Stabbed by the burr on glass reinforced plastic pipe.
5. the present invention is coordinated using boss with annular groove, is conducive to quickly splicing adjacent two glass reinforced plastic pipe, improves construction speed,
Facilitate accurate grafting.
6. the present invention has installed adsorbent equipment additional in protection pipe left side, can be using sucker or groove extruding absorption another
On the right side of root protection pipe, so as to improve the axial direction splicing firmness of protection pipe, the soft protection pipe of supplement matter is connected using engaging
The deficiency of mounting means is connect, assembling sealing is further improved.
7. the present invention smears EVA glue on interior anti-slip veins with outer anti-slip veins, and the soft easy deformation of MPP tubing of supplement matter is not
Foot, improves the reliability that is connected together.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is stereogram of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is Fig. 2 along A-A sectional views.
Specific embodiment
In order that the technological means realized of the present invention, creation characteristic, reached purpose and effect are easy to understand, below it is right
The present invention is expanded on further.
Such as Fig. 1 to Fig. 3, a kind of composite glass steel pipe for being easy to grafting, including pipe sleeve 1, the pipe sleeve 1 is by glass fibre
Reinforced plastics is made, and a circle boss 2 is provided with the left side inner ring side of the pipe sleeve 1, is set on the right side inner ring side of pipe sleeve 1
There is a ring groove 3, the inner surface of the annular groove 3 is adapted with the outer surface of boss 2.
The inside of the pipe sleeve 1 is along pipe sleeve 1 axially through the protection pipe 4 having directly with conductive cable contacts, the protection pipe 4
Length it is identical with the length of pipe sleeve 1, the left side of protection pipe 4 be located at the left side left side of pipe sleeve 1, i.e. protection pipe 4 relative to
Pipe sleeve 1 is overall to a segment distance has been moved to left, and the left side of protection pipe 4 is provided with outer anti-slip veins on the outer peripheral face of the part of pipe sleeve 1
5；The part that protection pipe 4 is not covered with the right side inwall of the pipe sleeve 1 is provided with interior anti-slip veins 6, and the interior anti-slip veins 6 are anti-skidding with outer
The technological parameter of line 5 is identical, for cooperating.
The left side of the protection pipe 4 is provided with a circle adsorbent equipment 7, and the right side of protection pipe 4 is to coordinate adsorbent equipment 7
Smooth flat.The axial direction connection degree of packing between adjacent protection pipe 4 is improved using adsorbent equipment 7.
One layer of EVA glue layer 8 is scribbled between the pipe sleeve 1 and protection pipe 4, the EVA glue is also coated with outer anti-slip veins 5
On, for increasing the sealing after being connected together, prevent the disengagement being connected together.
The outer surface of the pipe sleeve 1 is laid with a circle PE plastic layers 9, can wrap the fiber protrusion on pipe sleeve 1, it is to avoid
Manually move pipe sleeve 1 to be stabbed, and the lateral surface toughness of pipe sleeve 1 can be improved, when hardness impact is run into, the energy of PE plastic layers 9
Enough for pipe sleeve 1 provides buffering, it is to avoid pipe sleeve 1 is by hard crushing.
The some gum boxs 10 axially opened up along protection pipe are uniformly offered on the outer anti-slip veins, during installation, by EVA
Then glue application mutually screws outer anti-slip veins 5 with the structure of interior anti-slip veins 6 in gum box 10, because the storage of EVA glue is in glue
In tank 10, therefore when screwing, the EVA glue that the structure of outer anti-slip veins 5 will not coat the body structure surface of interior anti-slip veins 6 is released.Deposit
The EVA glue stayed in gum box 10 will make the structure of interior anti-slip veins 6 mutually glued with the structure of outer anti-slip veins 5 after screwing.
The boss 2 is made with pipe sleeve 1 using integral forming process.
The protection pipe 4 is managed for MPP, and it is main raw material(s) that MPP pipes use modified polypropene, with high temperature resistance, proof to external pressure
The characteristics of, it is adaptable to more than 10KV high voltage transmission line cable duct bank tubing.Due to above-mentioned advantage, during laying, without largely dredging,
Cut the earth and destruction road surface, in construction works such as road, railway, building, the inferior Special zone roughing-in in riverbed, cables.With
Traditional " grooving pipe laying method " is compared, and no-dig technique power pipe engineering more adapts to current environmental requirement, is removed because of traditional construction institute
Cause stir up a cloud of dust, the factor that disturbs residents such as traffic jam, this technology can also cannot implement to excavate the area of operation at some
Pipeline installation, such as paleovolcanic structure area, business district, crops and farmland protection area, highway, river.
The adsorbent equipment 7 is the circle groove being opened on the left side of protection pipe 4, and the groove uses elastomeric material system
Into.
The adsorbent equipment 7 is several sucker (not shown)s on the left side of protection pipe 4, the sucker
Adsorption plane towards left side.
The interior anti-slip veins are bar shaped anti-slip veins with outer anti-slip veins.To be mutually clamped, it is to avoid mutually slip off vertically.
For convenience by the mutual cuttage of pipe sleeve 1, interior anti-slip veins set unsuitable too high with the height of outer anti-slip veins.
General principle of the invention, principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, the simply present invention described in above-described embodiment and specification
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and
Improvement is both fallen within claimed invention.The claimed scope of the invention is by appending claims and its equivalent circle.
It is fixed.
Claims (5)
1. a kind of composite glass steel pipe for being easy to grafting, it is characterised in that：Including pipe sleeve, the left side inner ring side of the pipe sleeve
On be provided with a circle boss, the right side inner ring side of pipe sleeve is provided with a ring groove, the annular groove inner surface and boss outer surface
It is adapted；
Along pipe sleeve axially through there is protection pipe, the protection pipe is managed for MPP, the length of the protection pipe for the inside of the pipe sleeve
Length with pipe sleeve is identical, and the left side of protection pipe is located at the left side left side of pipe sleeve, and protection pipe left side is beyond the part of pipe sleeve
Outer peripheral face on be provided with outer anti-slip veins；The part that protection pipe is not covered with the inwall of the pipe sleeve right side is provided with interior anti-slip veins,
The interior anti-slip veins are identical with the technological parameter of outer anti-slip veins；
The left side of the protection pipe is provided with a circle adsorbent equipment, and the right side of protection pipe is to coordinate the smooth of adsorbent equipment to put down
Face；
One layer of EVA glue layer is scribbled between the pipe sleeve and protection pipe；
The pipe sleeve outer surface is laid with a circle PE plastic layers；
The some gum boxs axially opened up along protection pipe are uniformly offered on the outer anti-slip veins.
2. a kind of composite glass steel pipe for being easy to grafting according to claim 1, it is characterised in that：The pipe sleeve is by glass
Glass fibre reinforced plastics are made.
3. a kind of composite glass steel pipe for being easy to grafting according to claim 1, it is characterised in that：The boss and pipe
Set is made using integral forming process.
4. a kind of composite glass steel pipe for being easy to grafting according to claim 1, it is characterised in that：The adsorbent equipment
To be opened in the circle groove on protection pipe left side, the groove is made of elastomeric material.
5. a kind of composite glass steel pipe for being easy to grafting according to claim 1, it is characterised in that：The adsorbent equipment
It is several suckers on protection pipe left side, the adsorption plane of the sucker is towards left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067640.8A CN106764114A (en) | 2017-02-07 | 2017-02-07 | A kind of composite glass steel pipe for being easy to grafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067640.8A CN106764114A (en) | 2017-02-07 | 2017-02-07 | A kind of composite glass steel pipe for being easy to grafting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106764114A true CN106764114A (en) | 2017-05-31 |
Family
ID=58955284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710067640.8A Pending CN106764114A (en) | 2017-02-07 | 2017-02-07 | A kind of composite glass steel pipe for being easy to grafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106764114A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2795603Y (en) * | 2005-04-25 | 2006-07-12 | 武汉理工大学 | Glass fiber reinforced plastic sand-laden pipe jacking with glass fiber connection sleeve ring function |
| CN101354099A (en) * | 2007-07-26 | 2009-01-28 | 天津万联管道工程有限公司 | Plastic inner lining barrel faucet prestress glass fiber reinforced plastic concrete pipe |
| US20110042121A1 (en) * | 2009-08-21 | 2011-02-24 | Rogers Bernard I | Electrical cable protection block |
| CN202001741U (en) * | 2011-01-21 | 2011-10-05 | 杨林海 | Node reinforcing and dual sealing structure of glass reinforced plastic pipes |
| CN102361280A (en) * | 2011-09-30 | 2012-02-22 | 山东省呈祥电工电气有限公司 | Composite cable duct made from glass fiber reinforced plastics (GFRP) and modified polypropylene (PP) |
| CN203434553U (en) * | 2013-08-16 | 2014-02-12 | 杭州联通管业有限公司 | Plastic tubular product and glass fiber reinforced plastic composite cable protection pipe |
| CN203463822U (en) * | 2013-09-12 | 2014-03-05 | 谷世存 | Glass fiber reinforced plastic pipeline with conical connectors |
| CN204312477U (en) * | 2014-09-19 | 2015-05-06 | 广东联塑科技实业有限公司 | A kind of pipe fitting gluing adhering junction structure |
| CN204361643U (en) * | 2014-08-08 | 2015-05-27 | 安徽卓成电力管业科技股份有限公司 | Composite cable protection pipe |
| CN205402053U (en) * | 2016-03-11 | 2016-07-27 | 张超 | Hold solid water -drainage tube part of tight plugging fast convenient to dismantle |
| CN206439513U (en) * | 2017-02-07 | 2017-08-25 | 安徽卓成电力管业科技股份有限公司 | A kind of composite glass steel pipe for being easy to grafting |
-
2017
- 2017-02-07 CN CN201710067640.8A patent/CN106764114A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2795603Y (en) * | 2005-04-25 | 2006-07-12 | 武汉理工大学 | Glass fiber reinforced plastic sand-laden pipe jacking with glass fiber connection sleeve ring function |
| CN101354099A (en) * | 2007-07-26 | 2009-01-28 | 天津万联管道工程有限公司 | Plastic inner lining barrel faucet prestress glass fiber reinforced plastic concrete pipe |
| US20110042121A1 (en) * | 2009-08-21 | 2011-02-24 | Rogers Bernard I | Electrical cable protection block |
| CN202001741U (en) * | 2011-01-21 | 2011-10-05 | 杨林海 | Node reinforcing and dual sealing structure of glass reinforced plastic pipes |
| CN102361280A (en) * | 2011-09-30 | 2012-02-22 | 山东省呈祥电工电气有限公司 | Composite cable duct made from glass fiber reinforced plastics (GFRP) and modified polypropylene (PP) |
| CN203434553U (en) * | 2013-08-16 | 2014-02-12 | 杭州联通管业有限公司 | Plastic tubular product and glass fiber reinforced plastic composite cable protection pipe |
| CN203463822U (en) * | 2013-09-12 | 2014-03-05 | 谷世存 | Glass fiber reinforced plastic pipeline with conical connectors |
| CN204361643U (en) * | 2014-08-08 | 2015-05-27 | 安徽卓成电力管业科技股份有限公司 | Composite cable protection pipe |
| CN204312477U (en) * | 2014-09-19 | 2015-05-06 | 广东联塑科技实业有限公司 | A kind of pipe fitting gluing adhering junction structure |
| CN205402053U (en) * | 2016-03-11 | 2016-07-27 | 张超 | Hold solid water -drainage tube part of tight plugging fast convenient to dismantle |
| CN206439513U (en) * | 2017-02-07 | 2017-08-25 | 安徽卓成电力管业科技股份有限公司 | A kind of composite glass steel pipe for being easy to grafting |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
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| WD01 | Invention patent application deemed withdrawn after publication |