CN202213210U - Device for manufacturing spiral wound or braided steel wire reinforced composite plastic pipe - Google Patents
Device for manufacturing spiral wound or braided steel wire reinforced composite plastic pipe Download PDFInfo
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- CN202213210U CN202213210U CN2011202649719U CN201120264971U CN202213210U CN 202213210 U CN202213210 U CN 202213210U CN 2011202649719 U CN2011202649719 U CN 2011202649719U CN 201120264971 U CN201120264971 U CN 201120264971U CN 202213210 U CN202213210 U CN 202213210U
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- Prior art keywords
- steel wire
- pipe
- composite plastic
- core tube
- layer
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 92
- 239000010959 steel Substances 0.000 title claims abstract description 92
- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 229920003023 plastic Polymers 0.000 title claims abstract description 39
- 239000004033 plastic Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 67
- 229920000642 polymer Polymers 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000012790 adhesive layer Substances 0.000 claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 26
- 238000004513 sizing Methods 0.000 claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims abstract description 16
- -1 polyethylene Polymers 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000004698 Polyethylene Substances 0.000 claims abstract description 10
- 229920000573 polyethylene Polymers 0.000 claims abstract description 10
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 9
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 9
- 150000001282 organosilanes Chemical class 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 25
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 abstract description 12
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000009954 braiding Methods 0.000 abstract description 2
- 239000011230 binding agent Substances 0.000 description 39
- 229920001577 copolymer Polymers 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 4
- 229920000578 graft copolymer Polymers 0.000 description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920006243 acrylic copolymer Polymers 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000013047 polymeric layer Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a device for manufacturing a spiral wound or braided steel wire reinforced composite plastic pipe, which comprises at least one layer of polymer core tube co-extrusion mechanism, a core tube cooling and sizing mechanism, a steel wire spiral winding machine or braiding machine, a polymer outer layer pipe extrusion mechanism, a composite plastic pipe cooling and sizing mechanism, a traction mechanism and a cutting mechanism, which are sequentially arranged. The device is characterized in that the core tube co-extrusion mechanism comprises a core tube extruder, a core tube surface adhesive layer extruder and a co-extrusion forming composite die head with a function of co-extruding an adhesive layer or a blend layer of an adhesive and polymer on the surface of a core tube when extruding the polyethylene or organosilane crosslinked polyethylene core tube. Due to the device, the spiral wound or braided steel wire reinforced composite plastic pipe of which a steel wire is tightly compounded with inner and outer layers capable of being produced.
Description
Technical field
The utility model relates to the method for making plastic pipe, particularly be to make that spiral twines or the device of braided steel wire enhanced composite plastic pipe material.
Background technology
In plastic pipe, increase to twine wire in recent years strengthening the existing report of tubing intensity and to use, disclose like CN2313137Y that a kind of usefulness is metal knitted to reticulate, be combined into multiple tube with interior pipe and outer tube.CN2202838Y discloses the multiple tube that accompanies the layer of metal mesh grid between a kind of tube wall layer and the outer wall layer equally; But the personnel of this field professional technique know that the surface of metallic frameworks such as steel and aluminium is a polar surfaces; And the stronger polymer of antiseptic power such as the interface of polyolefine materials such as polyethylene, polypropylene are apolar surfaces; At polymer fusion clad metal skeleton, behind cooling and shaping, the interface of metallic framework and polymer non-individual body in fact only is that a kind of machinery coats; The interface does not have real affinity does not promptly have bonding to be integrally formed; Should not become real composite construction composite in other words, therefore also influence the wider application of this pipeline, even have corrosive medium to go into metallic framework through the metallic framework of the pipe end of cut-out and the contacting permeation of polymer; The corroding metal skeleton, and then wear out the plastic outer layer on the metallic framework and danger that pipeline was lost efficacy.
In order to address this problem, CN214 216 8Y disclose and have a kind ofly scribbled the multiple tube of adhesive layer at least between one deck winding steel wire layer and plastic core pipe and the outer layer plastic, but will increase extruder and die head; And binding agent need have thickness, measures very big, very uneconomical; And CN2466468Y discloses and a kind ofly has been wound in the multiple tube of compound outer back formation on the core pipe again with protective layer applying a layer binder on the steel wire, but has only solved steel wire and the compound firm problem of ectonexine, and does not combine closely between the ectonexine polymer pipe; Chinese patent 02223171 at the core tube-surface that twines steel wire with compound die head compound binding agent layer; But it is expensive or to be equipped with the material price that bonds with the metal material surface affinity, and adopting extrusion mechanism to apply a layer binder need have thickness, measures very big; Very uneconomical; And complex equipments will increase by one at least and extrude and compound die head, and people have adopted comparatively economic scheme again for this reason; The ethene of the weight ratio with 15 to 30% and maleic anhydride or acrylic ester grafted polymer and polyethylene or the polypropylene blending modified non-individual body that is used as use; Though this scheme can produce affinity and promptly bond with the surface of metallic framework, because the ratio that adds is still higher, still influence the serviceability temperature and the corrosion resistance of this pipeline; Particularly the cost of polymer non-individual body is still higher, and pipeline is lacked competitiveness and can not the expanding application scope.Particularly caliber is bigger, and the pipeline of thickness of pipe wall is big because of adding the graft polymers amount, and the cost height more can't be competed with other pipeline.
And spiral twines or braided steel wire enhanced composite plastic pipe material not only will solve steel wire and core pipe and the outer layer copolymer problem of combining closely; And to solve outer layer copolymer and the core tube-surface problem of combining closely, therefore need between metallic framework and the polymer non-individual body that more economical feasible scheme solves the metallic skeleton reinforced composite plastic pipe and the interface affinity between outer layer copolymer and the core tube-surface is an adhesion problem.
The utility model content
The purpose of the utility model is can effectively address the above problem in order to provide a kind of, helps improving the manufacturing spiral winding of pipe workpiece quality and production efficiency and reduction binding agent consumption and cost or the method for braided steel wire enhanced composite plastic pipe material.
Another purpose of the utility model is for a kind of device of making spiral winding or braided steel wire enhanced composite plastic pipe material is provided.
The purpose of the utility model realizes like this:
The said a kind of device of making spiral winding or braided steel wire enhanced composite plastic pipe material of the utility model; Comprise at least one polymer core pipe coextrusion mechanism, core pipe cooling sizing mechanism, steel wire spiral winding machine or the braider, polymeric outer layer pipe extrusion mechanism, composite plastic pipe cooling sizing mechanism, haulage gear, the cutting mechanism that are arranged in order, core pipe coextrusion mechanism comprises core pipe extruder, core tube-surface adhesive layer extruder and has at polyethylene extrusion or organosilane crosslinked polyethylene core pipe simultaneously at the compound die head of co-extrusion modling of the blend layer of core tube-surface coextrusion one deck adhesive layer or binding agent and polymer.
The above-mentioned manufacturing spiral winding or the device of braided steel wire enhanced composite plastic pipe material have pair polymer core pipe and/or steel wire to carry out the heater of heat treated after core pipe cooling sizing mechanism and/or steel wire spiral winding machine or braider.
The above-mentioned manufacturing spiral winding or the device of braided steel wire enhanced composite plastic pipe material are laid the coating mechanism to the blend layer of Steel Wire Surface parcel adhesive layer or binding agent and polymer on the steel wire passage of steel wire spiral winding machine or braider.The exposed steel wire of outsourcing just can be realized the blend layer to Steel Wire Surface parcel adhesive layer or binding agent and polymer on the device of the utility model like this.
The utility model is made the method for spiral winding or braided steel wire enhanced composite plastic pipe material; Comprise through polyethylene or organosilane crosslinked polyethylene core pipe extrusion mechanism and extrude the core pipe; It is characterized in that polyethylene extrusion or organosilane crosslinked polyethylene core pipe simultaneously the blend layer of core tube-surface coextrusion one deck adhesive layer or binding agent and polymer through behind the cooling sizing with after the left and right sides of the layer of steel wire at least cross-helicity winding that blend layer wrapped up of bonded dose of layer or binding agent and polymer or being woven in the core tube-surface; Extrude the composition polymer outer tube; And warp cools off sizing, the traction cutting produces spiral and twines or braided steel wire enhanced composite plastic pipe material; Increase core tube-surface coextrusion adhesive layer; Steel wire twines or weave the back heating at spiral can be reined in into adhesive layer, and making can bond between steel wire and core tube-surface and the steel wire securely is combined with each other, and can effectively prevent when spiral twines or weave, to skid each other between steel wire and core tube-surface and the steel wire; And when extruding the composition polymer outer tube; Can directly the one layer of polymeric skin be compounded in steel wire and core tube-surface, very thin one deck adhesive layer of adhesive layer and the wrapped wire of polymeric outer layer through the coextrusion of core tube-surface and core pipe and Steel Wire Surface bond securely and are combined with each other, and need not adopt complicated co-extrusion mode when extruding the composition polymer outer tube at outer pipe internal surface coextrusion one deck adhesive layer; In addition; Because the melting point of adhesive layer is more much lower than polymer, only need that a little heats to steel wire and core tube-surface, utilize the heat of the polymeric outer layer of melting that polymeric outer layer and steel wire and core tube-surface are bondd securely and be combined with each other; Needn't to combine closely between core pipe and the outer layer copolymer and the core tube-surface is carried out the heating of big intensity in order to make, make the core tube-surface be in the melting state and cause core pipe gross distortion or subside.Therefore; The core tube-surface thinly coextrusion one deck adhesive layer with wrap up one deck adhesive layer thinly in Steel Wire Surface and combine; Steel wire and core pipe and outer layer copolymer are combined closely more; And outer layer copolymer can more easily be combined closely with the core tube-surface; Both reduced the binding agent consumption widely; Reached between steel wire and core pipe and the outer layer copolymer again, the purpose of combining closely between core pipe and the outer layer copolymer; Overcome and only paid attention to combining closely between steel wire and core pipe and the outer layer copolymer in the past and ignored the pipe workpiece quality problem of combining closely between core pipe and the outer layer copolymer and manufactured difficult point, the metallic framework that has solved the metallic skeleton reinforced composite plastic pipe is an adhesion problem with the interface affinity of skin and core tube-surface polymer non-individual body, tubing is used under various environmental conditions and can not cause between metallic framework and the ectonexine plastics and delamination between the ectonexine plastics.
The above-mentioned manufacturing spiral winding or the method for braided steel wire enhanced composite plastic pipe material; To the polymer core pipe and/or spiral twines or the steel wire of braiding carries out after infrared ray or high-frequency heating handle, it is outer and form spiral winding or braided steel wire enhanced composite plastic pipe material to extrude composition polymer again after core pipe cooling sizing mechanism and/or steel wire spiral winding machine or braider.Because the heat effect to core tube-surface and steel wire also makes steel wire rein in the adhesive layer into the coextrusion of core tube-surface; Steel wire and core tube-surface polymer are combined closely more; Particularly adopt high-frequency heating to handle; Only make steel wire itself heating, make steel wire can rein in into the adhesive layer of core tube-surface coextrusion and the core pipe owing to be heated and can not produce moderate finite deformation.
The above-mentioned manufacturing spiral winding or the method for braided steel wire enhanced composite plastic pipe material; At one deck adhesive layer on the coextrusion of core tube-surface and wrapped wire surface or the blend layer of binding agent and polymer is ethene. maleic anhydride graft copolymer or propylene, maleic anhydride graft copolymer or ethene one acrylic copolymer or ethene one (methyl) acrylic copolymer.Binding agent can adopt ethene and maleic anhydride or acrylic ester grafted copolymer, or on ethene or propylene, is grafted with other copolymer of polar bond.And polymeric layer material is high density polyethylene (HDPE) or crosslinked polyethylene or polypropylene.
The utility model can production the knockout pipe surface and winding or weave closely compound between steel wire and the outer composite plastic on it, that quality is high spiral winding or braided steel wire enhanced composite plastic pipe material, having solved the metallic framework of metallic skeleton reinforced composite plastic pipe and the interface affinity of polymer non-individual body is adhesion problem.The utility model will polyethylene extrusion or organosilane crosslinked polyethylene core pipe simultaneously the core tube-surface thinly coextrusion one deck adhesive layer with wrap up one deck adhesive layer thinly in Steel Wire Surface and combine; Steel wire and core pipe and outer layer copolymer are combined closely more, and outer layer copolymer can more easily be combined closely with the core tube-surface.This multiple tube is promptly practiced thrift binder material, and bearing capacity is high again, and anti-corrosion capability is strong, and easily manufactured, simple equipments, and cost is low, and the scope of application is wide.
Description of drawings
Fig. 1 is the utility model production method floor plan sketch map.
Fig. 2 is at core tube-surface coextrusion one deck adhesive means sketch map.
Fig. 3 is for wrap up one deck adhesive layer production method sketch map with steel wire in advance.
Fig. 4 is the vertical view of Fig. 3
Fig. 5 is for being mounted with the structural scheme of mechanism that coats a layer binder in Steel Wire Surface on steel wire winding or braider.
Fig. 6 is the left view of Fig. 5.
Fig. 7 twines or the braided steel wire enhanced composite plastic pipe material sketch map for the spiral of core tube-surface coextrusion one layer binder that the utility model method is produced.
Fig. 8 has the steel wire sectional drawing of binding agent for the surface.
Fig. 9 is another floor plan sketch map of the utility model production method.
The specific embodiment
For making architectural feature of the utility model and the effect of being reached there are further understanding and understanding, cooperate detailed explanation, explain as follows in order to preferred embodiment and accompanying drawing:
Embodiment 1:
Referring to Fig. 1, extruder 2, core pipe coextrusion die head 3, core pipe vacuum sizing case 4, sandwich layer pipe spraying cooling water case 5,6,2 of the sandwich layer hauling machines of be disposed with sandwich layer pipe extruder 1 in the utility model, extruding a layer binder at the core tube-surface is respectively the compound die head of steel wire coiler 7 (or steel wire braider), outer tube extruder and the co-extrusion modling of left and right sides cross-helicity winding steel wire on the core pipe 8, composite pipe vacuum sizing case 9, composite pipe spraying cooling water case 10, multiple tube hauling machine 11, cutting machine 12, heap pipe support 13.Compared with present technology the utility model does not exist together is to have increased the extruder 2 at sandwich layer tube-surface coextrusion one layer binder at sandwich layer pipe extruder 1 place; And before steel wire twines or weaves, increased, or directly on steel wire winding or braider, be mounted with the mechanisms (referring to Fig. 5, Fig. 6) that coat layer binders on steel wire 25 surfaces in steel wire 25 surface coating one layer binder (referring to Fig. 3, Fig. 4) operations.Sandwich layer pipe extruder 1, the extruder 2 of extruding a layer binder at the sandwich layer tube-surface are clamp-oned polyethylene (or organosilane crosslinked polyethylene) material, binding agent to core pipe coextrusion die head 3 respectively; Form polyethylene (or organosilane crosslinked polyethylene) core pipe 17 simultaneously at core pipe 17 surperficial coextrusion one layer binders 16; Behind sandwich layer pipe vacuum sizing case 4, sandwich layer pipe spraying cooling water case 5 cooling sizings, lead bow 1 time again at sandwich layer pipe hauling machine 6; Through steel wire coiler 7 (or steel wire braider) above that after the left and right sides cross-helicity winding steel wire; Extrude composition polymer outer tube 26 again, and behind the skin 26 of outer tube extruder and die head 8 composite pipes, composite pipe vacuum sizing case 9, composite pipe spraying cooling water case 10 cooling sizings, after multiple tube hauling machine 11, cutting machine 12 cut off, produce spiral and twine or braided steel wire enhanced composite plastic pipe material.
Referring to Fig. 2, binding agent runner 15, sandwich layer pipe polymer runner 18 are arranged in the sandwich layer pipe coextrusion die head 3, extrude core pipe 17 simultaneously and at core pipe 17 surperficial coextrusion one layer binders 16.
Fig. 3, Fig. 4 have provided separately to coating the operation sketch map of a layer binder in Steel Wire Surface, steel wire from unwinding rack 19 to the extruder of extruding compound outer layer binder 20, compound die head 21, behind cooling body 22, hauling machine 23 by winder 24 rollings.Buy back again after in addition can be when the outsourcing steel wire Steel Wire Surface being coated a layer binder.
Fig. 5, Fig. 6 are mounted with the structural scheme of mechanism that coats a layer binder in Steel Wire Surface on twining or weave at steel wire.Comprise the steel wire passage 32 that is circle distribution, binding agent storage cavity 34 with the binding agent runner 33 of binding agent storage cavity and steel wire channel connection, prevents the seal cover 29 of binding agent outflow.Be positioned at the gland 30 in the sealing.Heater 31.Heater 31 before start to the fusion of housing binding agent; When producing, start extracts power supply; The heat energy of keeping molten afterwards leans on by the steel wire 25 of steel wire heating device heating to be brought into; When steel wire 25 passes through steel wire passage 32, bonded dose of coating, the steel wire 25 that is coated with binding agent is twined the core pipe by the steel wire coiler effect.There is this cover coating mechanism to practice thrift steel wire is extruded coating line separately.
The spiral that Fig. 7 produces for the utility model method twines or braided steel wire enhanced composite plastic pipe material 28 sketch mapes.17 is the sandwich layer pipe among the figure; 26 is polymeric outer layer; There is the spiral wound steel wire 25 of adhesive layer 27 on the surface; Make polymer non-individual body 17 and 26 through binding agent 27 and 16 skeleton is compound for the steel-plastics composite pipe 28 of hole skeleton is arranged, solved between the metallic framework and ectonexine polymer non-individual body of metallic skeleton reinforced composite plastic pipe, between outer layer copolymer and the core tube-surface the interface affinity be adhesion problem.
Fig. 8 has spiral wound steel wire 25 sectional drawings of adhesive layer 27 for surface recombination.
Embodiment 2:
Fig. 9 has provided the utility model embodiment 2 figure.Present embodiment 2 is basic same with embodiment 1, and not existing together is after steel wire coiler 7, to have increased the heater 14 that steel wire is carried out heat treated.The advantage of heater is set; Can make the better fusion of binding agent and coat skeleton; Can increase the warm-up ability of skeleton, in the die head of extruding compound outer tube mechanism better skeleton outer form the polymer non-individual body and with binding agent and skeleton bonding and compound more firm.
In sum; Be merely the preferred embodiment of the utility model; Be not to be used for limiting the scope that the utility model is implemented; All equalizations of doing according to the described shape of the utility model claim scope, structure, characteristic and spirit change and modify, and all should be included in the claim scope of the utility model.
Claims (3)
1. make that spiral twines or the device of braided steel wire enhanced composite plastic pipe material for one kind; Comprise at least one polymer core pipe coextrusion mechanism, core pipe cooling sizing mechanism, steel wire spiral winding machine or the braider, polymeric outer layer pipe extrusion mechanism, composite plastic pipe cooling sizing mechanism, haulage gear, the cutting mechanism that are arranged in order, it is characterized in that core pipe coextrusion mechanism comprises core pipe extruder, core tube-surface adhesive layer extruder and has at polyethylene extrusion or organosilane crosslinked polyethylene core pipe simultaneously at the compound die head of co-extrusion modling of core tube-surface coextrusion one deck adhesive layer.
2. the device of manufacturing spiral winding as claimed in claim 1 or braided steel wire enhanced composite plastic pipe material is characterized in that after core pipe cooling sizing mechanism and/or steel wire spiral winding machine or braider, having pair polymer core pipe and/or steel wire to carry out the heater of heat treated.
3. according to claim 1 or claim 2 manufacturing spiral twines or the device of braided steel wire enhanced composite plastic pipe material, it is characterized in that on the steel wire passage of steel wire spiral winding machine or braider, laying the coating mechanism to Steel Wire Surface parcel adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202649719U CN202213210U (en) | 2011-07-25 | 2011-07-25 | Device for manufacturing spiral wound or braided steel wire reinforced composite plastic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202649719U CN202213210U (en) | 2011-07-25 | 2011-07-25 | Device for manufacturing spiral wound or braided steel wire reinforced composite plastic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202213210U true CN202213210U (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202649719U Expired - Fee Related CN202213210U (en) | 2011-07-25 | 2011-07-25 | Device for manufacturing spiral wound or braided steel wire reinforced composite plastic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202213210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764123A (en) * | 2016-12-28 | 2017-05-31 | 深圳市德塑胶科技有限公司 | A kind of layer high molecule tracheae |
| CN114193805A (en) * | 2021-12-10 | 2022-03-18 | 永高股份有限公司 | Forming equipment of continuous fiber reinforced composite pipe |
-
2011
- 2011-07-25 CN CN2011202649719U patent/CN202213210U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764123A (en) * | 2016-12-28 | 2017-05-31 | 深圳市德塑胶科技有限公司 | A kind of layer high molecule tracheae |
| CN114193805A (en) * | 2021-12-10 | 2022-03-18 | 永高股份有限公司 | Forming equipment of continuous fiber reinforced composite pipe |
| CN114193805B (en) * | 2021-12-10 | 2023-03-21 | 公元股份有限公司 | Forming equipment of continuous fiber reinforced composite pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20130725 |