CN105003753A - Thermoplastic pipeline related to continuous fiber reinforcement and producing method - Google Patents
Thermoplastic pipeline related to continuous fiber reinforcement and producing method Download PDFInfo
- Publication number
- CN105003753A CN105003753A CN201510482611.9A CN201510482611A CN105003753A CN 105003753 A CN105003753 A CN 105003753A CN 201510482611 A CN201510482611 A CN 201510482611A CN 105003753 A CN105003753 A CN 105003753A
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- thermoplastic
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- internal layer
- pipeline
- fiber
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Links
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 45
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000000835 fiber Substances 0.000 title claims abstract description 18
- 230000002787 reinforcement Effects 0.000 title abstract description 4
- 239000010410 layer Substances 0.000 claims abstract description 77
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 20
- 238000007493 shaping process Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 239000011241 protective layer Substances 0.000 claims abstract description 9
- 238000009941 weaving Methods 0.000 claims abstract description 7
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- 239000000047 product Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 238000009954 braiding Methods 0.000 claims description 6
- 239000006052 feed supplement Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 229920002748 Basalt fiber Polymers 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000009940 knitting Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011199 continuous fiber reinforced thermoplastic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 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
- F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
-
- 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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
- F16L11/081—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
- F16L11/083—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire three or more layers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of glass fiber and pipeline forming, particularly to a thermoplastic pipeline related to continuous fiber reinforcement and a producing method. The pipeline comprises an inner layer, a weaving enhancement structure layer on the inner layer and an outer thermoplastic protective layer on the inner layer and the enhancement structure layer, wherein the three-layer structure is integrally formed; the inner layer adopts thermoplastic membranes or sheets; the enhancement layer is prepared through weaving, twining and longitudinally configurating preimpregnated thermoplastic fiber yarns; the outer layer is extruded with an extruder on the inner layer and the enhancement layer through the adoption of a thermoplastic material, so that the three-layer structure is integrated into a whole body, wherein the pipeline specification is below D1000 mm; the working pressure is 1-15 MPa. According to the thermoplastic pipeline and the producing method, the conventional RTP pipe three-layer structure is reserved, and the conventional multistep shaping method is changed to one-step shaping, so that the production line length is shortened by a half, and the equipment input is greatly decreased; the novel product is more stable in quality, higher in internal pressure strength and applicable to continuous production.
Description
[technical field]
The present invention relates to glass fibre and pipeline field shaping technique, specifically a kind of thermoplastic pipe about continuous lod and production method.
[background technique]
Nearly ten years, continuous fiber reinforced thermoplastic pipeline (Reinforced Thermoplastic Pipes) is the research direction of international pipeline field hot topic always, because it has obviously advantage, the high strength of fiber can be played, bear high pressure, pliability that thermoplastic is good and corrosion resistance can be kept again, have wide market in high-voltage tube application aspect such as oil feed pipe, fuel tube, supplying drainages.
Traditional RTP divides three-decker, and namely inside and outside is extrusioning thermoplastic plastic's pipe, and centre is fiber-reinforced layer or steel wire reinforcement layer.The method adopted is pipe in first extruded thermoplastic, then is wound around enhancement layer on inner pipe, finally extrudes outer surface protective layer.As described in patent document CN103878990A, the product anti-pressure ability that this method is produced is high, Security is good, but this production line is very long, generally need the long left and right of 80M, thick pipe is strengthened for multilayer and even wants more than 100M, due to higher to fusion technology requirement of heating between layers, control bad, easily there are quality problems, at present, ripe European production line approximately needs 2000-3000 ten thousand RMB, domestic production line is also in development, estimate also to need more than 1,000 ten thousand RMB, this high cost investment, inefficient production hinders the application of RTP.Although the method described in patent document CN102363363A is simple, the online impregnation technology of fiber is also not by far up to the mark at present, and the online impregnation of fiber is difficult to soak into, and the product micro gas-bubble produced is too many, can not use as anti-high-voltage product.As fruit fiber adopts braid pattern to strengthen, the party's rule is at all unworkable.
[summary of the invention]
The object of the invention is the defect in order to overcome traditional production glass fiber reinforcement thermoplastic pipe, according to the know-why of thermosetting property pultrusion, in conjunction with thermoplastic extrusion method, creationary pultrude process to be combined with expressing technique, form unique pultrusion/extrude mixed method, by the three-decker pipe once-through of traditional multistep molding out, technique is advanced, and continuous seepage, takes up an area little, little investment, has substantial economics.The present invention adopts thermoplastic film or sheet material to form internal layer, internal layer is provided with the braiding of preimpregnated thermoplastic silvalin, is wound around and longitudinally configuration formation enhancement layer, internal layer and enhancement layer are provided with skin, outer employing extruder for shaping, and three-decker is combined together, this one-time formed new product combines firmly, steady quality, resistance to compression is high, there is brand-new outward appearance and superior performance, and corrosion-resistant, long service life, has broad application prospects in fields such as plumbing, fuel tube, oil feed pipes.
To achieve these goals, design a kind of thermoplastic pipe about continuous lod, this pipeline strengthens construction layer by the braiding in thermoplastic inner layer and internal layer, and outer thermoplasticity protective layer composition is provided with on internal layer and enhancing construction layer, described three-decker is by pultrusion and extrude mixed method once-through, and described internal layer adopts thermoplastic film or sheet material to form; Described enhancement layer adopts the braiding of preimpregnated thermoplastic silvalin, is wound around and longitudinally configures formation; Described skin adopts thermoplastic material to extrude with extruder on interior pipe and enhancement layer and forms, and three-decker is combined together; Described pipeline specifications is below D1000mm, uses pressure 1-15MPa.
Described internal layer is made up of with winding or longitudinal mode thermoplastic film or sheet material, and at melting temperature, form overall internal layer, thickness is about 0.2-2mm.
Described enhancement layer is undertaken weaving by designing requirement, be wound around, be longitudinally configured on internal layer by the fiber being soaked with thermoplastic material in advance, and its thickness is determined by requirement of strength.
Described skin adopts thermoplastic material when internal layer and enhancement layer melting, extrudes feed supplement, three-decker is combined together with extruder pressurization, and form on its surface the thermoplasticity protective layer that thickness is 0.5-2mm.
Described fiber is adopted as glass fibre or basalt fibre or carbon fiber or aramid fibre etc.
Described thermoplastic material is PVC or PE or HDPE or PP or PA or other modified thermoplastic matrixes.
A kind of production method of the thermoplastic pipe about continuous lod:
Creationary pultrude process to be combined with expressing technique, form unique pultrusion/extrude mixed method, by the three-decker pipe once-through of traditional multistep molding out, technique is advanced, continuous seepage, takes up an area little, little investment, there is substantial economics, and the new product produced combines firmly, steady quality, resistance to compression is high, have brand-new outward appearance and superior performance, whole production line comprises following technique:
A) internal layer thermoplastic covering technique: thermoplastic film or sheet material are evenly coated on metal core with winding or longitudinal mode;
B) fibrage, winding, longitudinal yarn configuration technique: the fiber being soaked with thermoplastic material is in advance undertaken weaving by designing requirement, be wound around, be longitudinally configured on internal layer;
C) heating process: the internal layer completed and fiber-reinforced layer are sent into die cavity by tractor and heats, reach predetermined temperature, make thermoplastic material melting; Described predetermined temperature is generally 150-280 DEG C;
D) expressing technique: internal layer and the melting of enhancement layer thermoplastic material while, extrudes feed supplement in the pressurization of side extruder, three-decker is combined together, and form thermoplasticity protective layer on surface;
E) Vacuum shaping: the pipeline pulled out through shaping cover Vacuum shaping, and cools in vacuum box;
F) cool: from vacuum shaping box pipeline out, if temperature is not also down to normal temperature, be then cooled to normal temperature further at cooler bin;
G) draw: adopt suitable tractor continuously to be pulled out by pipeline;
H) cut: cut into finished product by design length.
The invention compared with the existing technology, technological design is reasonable, retain existing RTP three-decker, creationary pultrude process to be combined with expressing technique, form unique pultrusion/extrude mixed method, by the three-decker pipe once-through of traditional multistep molding out, technique is advanced, and continuous seepage, takes up an area little, little investment, has substantial economics; The new product produced combines firmly, steady quality, quality of product obtains a leap, traditional multistep molding method is changed into one-shaping technique, make production line shorten length half, equipment investment greatly reduces, product has very high compressive strength and impact resistance, the inside and outside layer thickness of pipe that the inventive method is produced can reach about 0.5mm, this is that tratitional technology cannot realize, greatly reduce product cost, be that there is revolutionary RTP new process for producing, produce important impetus by the promotion and application of RTP.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the production line of the invention;
Fig. 2 is the cross-sectional configuration schematic diagram of the invention;
In Fig. 1: 1. heating stick 11. shaping cover 12. vacuum shaping box 13. cooler bin 14. tractor 15. cutting machine in additional gas ket 8. screw extruder 9. extrusion die 10. of knitting machine 3. Stetch Wrapping Machine 4. outer knitting machine 5. core 6. outer mold 7. in inner thermoplastic layer 2.;
In Fig. 2: 21. outer 22. enhancement layer 23. internal layers;
Specify Fig. 1 as Figure of abstract of the present invention.
[embodiment]
Below in conjunction with accompanying drawing, the invention will be further described, and the structure of this device and principle are very clearly concerning the people of this specialty.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 2, the pipeline in the present invention weaves enhancement layer structure by internal layer and internal layer, and enhancement layer structure is provided with skin, and three-decker once-through forms, and wherein internal layer is made up of with winding or longitudinal mode thermoplastic film or sheet material.The fiber being soaked with thermoplastic material is in advance undertaken weaving by designing requirement, be wound around, be longitudinally configured on internal layer by enhancement layer.Outer when the thermoplastic material melting of interior pipe and enhancement layer, extrude feed supplement with extruder pressurization, three-decker is combined together, form thermoplasticity protective layer on surface.Fiber is adopted as glass fibre, basalt fibre, carbon fiber, aramid fibre etc.Thermoplastic material is PVC, PE, HDPE, PP, PA or other modified thermoplastic matrixes.
Production line designed by the present invention is as Fig. 1, first coated inner thermoplastic layer on the core of front end, then be the braiding of fiber, winding, stage casing be the external mold of heating and core and extruder, core place that die head, interior heating are formed jointly, back segment is that thermoplastic produces general vacuum shaping box, cooler bin, tractor, cutting machine etc.
Concrete production method is: be first evenly coated on core 5 by thermoplastic film or sheet material 1, to the fiber of thermoplasticity prepreg be had to be woven by interior knitting machine 2 again, then Stetch Wrapping Machine 3 carries out winding hoop layer, woven by outer knitting machine 4 again, form multilayer and strengthen structure, under tractor 14 acts on, send into heating internal mold 5, heating in the die cavity of external mold 6, heating-up temperature is determined according to different materials, general at 150-280 DEG C, the thermoplastic material of fiber surface is made to reach molten state, merge extrusion die 9 sections with the thermoplastic material extruded by screw extruder 8, formed overall.Die head heating is made up of jointly additional gas ket 7 and interior heating stick 10, pipeline is out shaped through shaping cover 11 and vacuum shaping box 12, then cools completely through cooler bin 13, enters cutting machine 15 finally by tractor 14, length is cut on request, becomes finished product.
Claims (7)
1. the thermoplastic pipe about continuous lod, it is characterized in that: this pipeline strengthens construction layer by the braiding in thermoplastic inner layer and internal layer, and outer thermoplasticity protective layer composition is provided with on internal layer and enhancing construction layer, described three-decker is by pultrusion and extrude mixed method once-through, and described internal layer adopts thermoplastic film or sheet material to form; Described enhancement layer adopts the braiding of preimpregnated thermoplastic silvalin, is wound around and longitudinally configures formation; Described skin adopts thermoplastic material to extrude with extruder on internal layer and enhancement layer and forms, and three-decker is combined together; Described pipeline specifications is below D1000mm, uses pressure 1-15MPa.
2. a kind of thermoplastic pipe about continuous lod as claimed in claim 1, it is characterized in that described internal layer is made up of with winding or longitudinal mode thermoplastic film or sheet material, at melting temperature, form overall internal layer, thickness is about 0.2-2mm.
3. a kind of thermoplastic pipe about continuous lod as claimed in claim 1, it is characterized in that described enhancement layer is undertaken weaving by designing requirement, be wound around, be longitudinally configured on internal layer by the fiber being soaked with thermoplastic material in advance, its thickness is determined by requirement of strength.
4. a kind of thermoplastic pipe about continuous lod as claimed in claim 1; it is characterized in that described skin adopts thermoplastic material when internal layer and enhancement layer melting; feed supplement is extruded with extruder pressurization; three-decker is combined together, and forms on its surface the thermoplasticity protective layer that thickness is 0.5-2mm.
5. a kind of thermoplastic pipe about continuous lod as claimed in claim 1, is characterized in that described fiber is adopted as glass fibre or basalt fibre or carbon fiber or aramid fibre etc.
6. a kind of thermoplastic pipe about continuous lod as claimed in claim 1, is characterized in that described thermoplastic material is PVC or PE or HDPE or PP or PA or other modified thermoplastic matrixes.
7., about a production method for the thermoplastic pipe of continuous lod, it is characterized in that:
Creationary pultrude process to be combined with expressing technique, form unique pultrusion/extrude mixed method, by the three-decker pipe once-through of traditional multistep molding out, technique is advanced, continuous seepage, takes up an area little, little investment, there is substantial economics, and the new product produced combines firmly, steady quality, resistance to compression is high, have brand-new outward appearance and superior performance, whole production line comprises following technique:
A) internal layer thermoplastic covering technique: thermoplastic film or sheet material are evenly coated on metal core with winding or longitudinal mode;
B) fibrage, winding, longitudinal yarn configuration technique: the fiber being soaked with thermoplastic material is in advance undertaken weaving by designing requirement, be wound around, be longitudinally configured on internal layer;
C) heating process: the internal layer completed and fiber-reinforced layer are sent into die cavity by tractor and heats, reach predetermined temperature, make thermoplastic material melting; Described predetermined temperature is generally 150-280 DEG C;
D) expressing technique: internal layer and the melting of enhancement layer thermoplastic material while, extrudes feed supplement in the pressurization of side extruder, three-decker is combined together, and form thermoplasticity protective layer on surface;
E) Vacuum shaping: the pipeline pulled out through shaping cover Vacuum shaping, and cools in vacuum box;
F) cool: from vacuum shaping box pipeline out, if temperature is not also down to normal temperature, be then cooled to normal temperature further at cooler bin;
G) draw: adopt suitable tractor continuously to be pulled out by pipeline;
H) cut: cut into finished product by design length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482611.9A CN105003753B (en) | 2015-08-07 | 2015-08-07 | About the thermoplastic pipe and production method of continuous lod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482611.9A CN105003753B (en) | 2015-08-07 | 2015-08-07 | About the thermoplastic pipe and production method of continuous lod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105003753A true CN105003753A (en) | 2015-10-28 |
| CN105003753B CN105003753B (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510482611.9A Active CN105003753B (en) | 2015-08-07 | 2015-08-07 | About the thermoplastic pipe and production method of continuous lod |
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| Country | Link |
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| CN (1) | CN105003753B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239858A (en) * | 2016-08-13 | 2016-12-21 | 崔金芬 | A kind of composite tube section bar and preparation method thereof |
| CN106827576A (en) * | 2016-08-08 | 2017-06-13 | 山东极威新材料科技有限公司 | A kind of continuous fiber reinforced thermoplastic multiple tube and its forming method |
| CN109774188A (en) * | 2019-03-11 | 2019-05-21 | 胡广生 | A kind of taper line bar system of processing and processing method |
| CN110435188A (en) * | 2019-08-09 | 2019-11-12 | 湖州祥瑞机械科技有限公司 | A kind of glass fiber pipe continous way production system and its technique |
| CN110450436A (en) * | 2019-09-09 | 2019-11-15 | 江苏云芯电气有限公司 | The high-intensitive ultralight insulated pipes used production line of basalt compound resin and production method |
| CN111716759A (en) * | 2020-06-10 | 2020-09-29 | 福建省泉诚塑胶科技有限公司 | Fiber-woven pultrusion pipeline and manufacturing method |
| CN112659591A (en) * | 2020-12-04 | 2021-04-16 | 上海仪耐新材料科技有限公司 | Continuous weaving winding pultrusion thermoplastic composite pipe and manufacturing method thereof |
| CN112895506A (en) * | 2021-01-15 | 2021-06-04 | 江南大学 | Production method of large-caliber engineering pipeline |
| WO2022052206A1 (en) * | 2020-09-10 | 2022-03-17 | 山东柏远复合材料科技股份有限公司 | Preparation method for thermoplastic fibre composite filament reinforced pipe |
| CN114396510A (en) * | 2022-01-19 | 2022-04-26 | 重庆泓一科技有限公司 | Continuous fiber woven internal reinforced PVC-C composite pipeline and preparation method thereof |
| CN115257013A (en) * | 2022-06-13 | 2022-11-01 | 安徽铸脊新材料科技有限公司 | Continuous forming device and forming method for fiber reinforced thermoplastic pipe |
| CN115972554A (en) * | 2023-02-23 | 2023-04-18 | 山东中水管道工程有限公司 | Production line for wide fiber mesh reinforced plastic composite pipe |
| WO2023103110A1 (en) * | 2021-12-10 | 2023-06-15 | 公元股份有限公司 | Processing method for one-step forming of continuous fiber-reinforced composite pipe |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827576A (en) * | 2016-08-08 | 2017-06-13 | 山东极威新材料科技有限公司 | A kind of continuous fiber reinforced thermoplastic multiple tube and its forming method |
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| CN106239858A (en) * | 2016-08-13 | 2016-12-21 | 崔金芬 | A kind of composite tube section bar and preparation method thereof |
| CN109774188A (en) * | 2019-03-11 | 2019-05-21 | 胡广生 | A kind of taper line bar system of processing and processing method |
| CN109774188B (en) * | 2019-03-11 | 2021-01-26 | 胡广生 | Conical wire rod machining system and method |
| CN110435188A (en) * | 2019-08-09 | 2019-11-12 | 湖州祥瑞机械科技有限公司 | A kind of glass fiber pipe continous way production system and its technique |
| CN110435188B (en) * | 2019-08-09 | 2023-09-08 | 华盟(浙江)机械装备科技有限公司 | Continuous production system and process for glass fiber pipeline |
| CN110450436A (en) * | 2019-09-09 | 2019-11-15 | 江苏云芯电气有限公司 | The high-intensitive ultralight insulated pipes used production line of basalt compound resin and production method |
| CN111716759A (en) * | 2020-06-10 | 2020-09-29 | 福建省泉诚塑胶科技有限公司 | Fiber-woven pultrusion pipeline and manufacturing method |
| WO2022052206A1 (en) * | 2020-09-10 | 2022-03-17 | 山东柏远复合材料科技股份有限公司 | Preparation method for thermoplastic fibre composite filament reinforced pipe |
| CN112659591A (en) * | 2020-12-04 | 2021-04-16 | 上海仪耐新材料科技有限公司 | Continuous weaving winding pultrusion thermoplastic composite pipe and manufacturing method thereof |
| CN112895506B (en) * | 2021-01-15 | 2021-11-12 | 江南大学 | Production method of large-caliber engineering pipeline |
| CN112895506A (en) * | 2021-01-15 | 2021-06-04 | 江南大学 | Production method of large-caliber engineering pipeline |
| WO2023103110A1 (en) * | 2021-12-10 | 2023-06-15 | 公元股份有限公司 | Processing method for one-step forming of continuous fiber-reinforced composite pipe |
| CN114396510A (en) * | 2022-01-19 | 2022-04-26 | 重庆泓一科技有限公司 | Continuous fiber woven internal reinforced PVC-C composite pipeline and preparation method thereof |
| CN114396510B (en) * | 2022-01-19 | 2024-02-20 | 重庆泓一科技有限公司 | Continuous fiber woven internal reinforced PVC-C composite pipeline and preparation method thereof |
| CN115257013A (en) * | 2022-06-13 | 2022-11-01 | 安徽铸脊新材料科技有限公司 | Continuous forming device and forming method for fiber reinforced thermoplastic pipe |
| CN115972554A (en) * | 2023-02-23 | 2023-04-18 | 山东中水管道工程有限公司 | Production line for wide fiber mesh reinforced plastic composite pipe |
| CN115972554B (en) * | 2023-02-23 | 2023-11-24 | 山东中水管道工程有限公司 | Production line of wide fiber web reinforced plastic composite pipe |
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Denomination of invention: Thermoplastic pipes and production methods related to continuous fiber reinforcement Effective date of registration: 20230223 Granted publication date: 20171020 Pledgee: Shenzhen Branch of Huishang Bank Co.,Ltd. Pledgor: Shenzhen xinbaotong Material Technology Co.,Ltd. Registration number: Y2023980033225 |
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