CN111716759A - Fiber-woven pultrusion pipeline and manufacturing method - Google Patents

Fiber-woven pultrusion pipeline and manufacturing method Download PDF

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Publication number
CN111716759A
CN111716759A CN202010525244.7A CN202010525244A CN111716759A CN 111716759 A CN111716759 A CN 111716759A CN 202010525244 A CN202010525244 A CN 202010525244A CN 111716759 A CN111716759 A CN 111716759A
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CN
China
Prior art keywords
pipeline
fiber
woven
pultruded
soaking
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
Application number
CN202010525244.7A
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Chinese (zh)
Inventor
唐玉权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Province Stephen Cheng Alwayseal Technology Ltd
Original Assignee
Fujian Province Stephen Cheng Alwayseal Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujian Province Stephen Cheng Alwayseal Technology Ltd filed Critical Fujian Province Stephen Cheng Alwayseal Technology Ltd
Priority to CN202010525244.7A priority Critical patent/CN111716759A/en
Publication of CN111716759A publication Critical patent/CN111716759A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/54Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/54Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/545Perforating, cutting or machining during or after moulding
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/14Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/22Tubes or pipes, i.e. rigid

Abstract

The invention belongs to the technical field of fiber material preparation, and discloses a fiber woven pultrusion pipeline and a manufacturing method thereof, wherein the fiber woven pultrusion pipeline comprises the following steps of firstly, putting a fiber material into a soaking pool, and soaking resin; step two, performing front-back positive and negative cross winding on the fiber silk yarn soaked in the resin; then, carrying out glue soaking heating, and curing and forming the pipeline; and step three, pulling out the cured and molded pipeline and cutting off the pipeline. The invention heats the foam rubber by the foam rubber device, and the foam rubber is cured and formed in the foam rubber device after being heated for a plurality of times, so that the inner wall and the outer wall are smooth and beautiful. After the pipeline reaches a certain distance, the pipeline is clamped by the rear tractor to continue to operate, and after the pipeline reaches the designed size, the pipeline is cut off by a rear cutting machine. Ensuring the continuous production of the product. The invention can be widely applied to the technical fields of water supply and drainage, pollution discharge, optical fiber, cable, highway and railway underground construction, irrigation, chemical engineering and mine fluid conveying pipelines.

Description

Fiber-woven pultrusion pipeline and manufacturing method
Technical Field
The invention belongs to the technical field of fiber material preparation, and particularly relates to a fiber woven pultrusion pipeline and a manufacturing method thereof.
Background
At present, along with the development of economy, the requirements on municipal works, building water supply and drainage, electric power systems, chemical industry, communication and irrigation safety are increased day by day, so that a better conveying pipeline is more important to select, for a long time, the conveying pipeline is made of metal materials, such as steel pipes, iron pipes and the like, the traditional metal material pipeline is gradually eliminated due to the defects of large energy consumption in the production process, multiple processes, high metal conductivity, easy corrosion, short service life, high facility maintenance cost and the like in severe environments such as humidity, dirt accumulation, coastal salt mist and the like in actual use, and the pipeline is replaced by various novel material pipelines. At present, pipelines formed by winding glass fiber reinforced plastic composite materials, various single plastic pipelines formed by extrusion molding of PVC and the like and plastic corrugated pipelines provided with reinforced ribs on various hollow plastics are common in the market.
The pipeline formed by winding the glass fiber reinforced plastic composite material has low longitudinal strength, complex process, poor circumferential strength of the extrusion-drawing formed pipeline, low rigidity, poor strong bottom, short service life, large brittleness and easy fracture of various single plastic pipelines such as PVC and the like.
Moreover, the fiber woven pultrusion pipeline is a novel pipeline material, has the advantages of high strength, impact resistance, hoop rigidity, heat resistance, electrical insulation, corrosion resistance, water resistance and the like, and is widely applied to municipal engineering, building water supply and drainage, electric power systems, chemical industry, communication, irrigation and the like. The fiber woven pultrusion pipeline mainly comprises an inner weaving layer, a winding layer and an outer weaving layer, and the production process mainly comprises weaving, gum dipping, curing and forming and cutting of finished products.
In the prior art I, a Chinese patent with application publication number CN102777708A discloses a continuous fiber braided pultrusion pipeline and a production method, wherein the production method comprises the following steps: A. the weaving process comprises the following steps: weaving fiber layers which are arranged in a crossed manner at equal intervals on the cylindrical core mould by two or more weaving machines, and adding fiber materials of the middle layer between the weaving layers as required; B. a gum dipping process: arranging prepared resin materials in a glue dipping tank, dipping the woven fibers in the glue dipping tank, wherein each layer needs to be soaked, and then vacuumizing by adopting a vacuum pump; C. and (3) a curing and forming process: the fiber material after gum dipping is put into a metal mould and is solidified and molded under the action of an electric hot plate of a heating furnace, and the solidification temperature is 120-170 ℃; D. cutting a finished product: and cutting the blank into a finished product according to the design length requirement by a tracking cutting machine.
The impregnation process in the production method needs a large amount of resin raw materials, the requirement on the sealing performance of the vacuum box is high, once the sealing performance of the vacuum box is poor, the resin cannot penetrate through the fiber braided layer, the quality of the produced fiber braided pultrusion tube is not qualified, the resin is easy to leak and drip, and the field production environment is polluted.
In the second prior art, a method for producing a fiber-woven pultrusion pipeline is characterized by comprising the following steps:
A. the weaving process comprises the following steps: weaving fiber layers which are arranged in a crossed manner at equal intervals on the cylindrical core mould by two or more weaving machines, and adding fiber materials of the middle layer between the weaving layers as required;
B. a gum dipping process: arranging prepared resin materials in a glue dipping tank, dipping the woven fibers in the glue dipping tank, wherein each layer needs to be soaked, and then vacuumizing by adopting a vacuum pump;
C. and (3) a curing and forming process: the fiber material after gum dipping is put into a metal mould and is solidified and molded under the action of an electric hot plate of a heating furnace, and the solidification temperature is 120-170 ℃;
D. cutting a finished product: and cutting the blank into a finished product according to the design length requirement by a tracking cutting machine.
Wherein the shape of the tube of the fiber woven pultrusion pipeline is cylindrical, and the inner wall and the outer wall of the tube are smooth surfaces; the inner diameter of the pipe is 20-400 mm, the size and thickness of the pipe are determined according to design requirements, the pipe is formed by weaving a plurality of long fibers into a fiber layer, each fiber layer is provided with a layer of resin material and is formed by thermosetting, the fiber layer is formed by a first fiber weaving layer, a third fiber weaving layer and an intermediate layer between the first layer and the third layer, the intermediate layer is formed by a longitudinal fiber layer or a circumferential fiber layer or a short fiber felt, and the fiber adopted by the fiber weaving layers is glass fiber or carbon fiber or basalt fiber or aramid fiber; the resin is epoxy resin, polyester resin, phenolic resin or various modified high-performance thermosetting resins.
In the third prior art, a fiber-woven pultrusion pipeline production line includes two or more than two braiding machines arranged at intervals, a glue injection device, a curing forming device, a pultrusion machine and an online fixed-length cutting machine, the braiding machines, the glue injection device and the fixed forming device penetrate a core mold in the axial direction, the glue injection device includes a glue inlet tank, a glue injection pump and a glue injection mold, the glue injection mold includes a mold body, a glue injection mold cavity is arranged on the mold body along the axial direction of the mold body, the glue injection mold cavity includes an inlet section, an overflow section, a glue injection section and an outlet section, the inlet section and the overflow section are both in a tapered necking shape, the inlet section and the overflow section are connected through a circular through hole section, an overflow hole is arranged at the bottom of a large-mouth end of the overflow section, the overflow hole is connected to the glue inlet tank through a return pipe, and the glue injection section is also in a tapered necking shape, the glue injection section is connected with the overflow section through a circular through hole section II, a glue injection hole is formed in the top of the large opening end of the glue injection section, the glue injection hole is connected with the glue injection pump through a glue injection pipe, and the outlet section is in a circular through hole shape; the core mould part is worn out the side of fixed forming device, still be equipped with one on the shaping pipeline of core mould extending direction in proper order pultrusion machine and one on-line fixed length cutting machine, the pultrusion machine is used for pulling out the shaping pipeline at the uniform velocity, and on-line fixed length cutting machine then is used for cutting off the shaping pipeline equidistance.
Through the above analysis, the problems and defects of the prior art are as follows: (1) in the prior art, the production of the fiber woven pultrusion pipeline has complex process and low continuous production capacity, and the obtained product has poor tensile strength, ring stiffness and pipeline toughness.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a fiber-woven pultrusion pipeline and a manufacturing method thereof.
The invention is realized in such a way that the manufacturing method of the fiber woven pultrusion pipeline comprises the following steps:
step one, putting a fiber material into a soaking pool, and soaking resin;
step two, performing front-back positive and negative cross winding on the fiber silk yarn soaked in the resin; then, carrying out glue soaking heating, and curing and forming the pipeline;
and step three, pulling out the cured and molded pipeline and cutting off the pipeline.
Further, in the first step, the fiber material is placed on the fiber material rack and is conveyed into the material soaking pool at an inclination of 60 degrees.
Further, in the second step, the fiber yarns are conveyed to pass through a rotary disc on the winding machine to be wound in a front-back and front-back cross mode, or the fiber yarns are wound in the same direction in a front-back and front-back cross mode.
Furthermore, 8-16 turntables are arranged in the front and the back of the winding machine respectively, a yarn rotating device is arranged on each turntable, yarns on the yarn rotating devices are not soaked, a back yarn unwinding support is arranged between every two adjacent turntables to prevent the yarns from being disorderly rewound, two engines are arranged below the winding machine to enable the winding machine to achieve anticlockwise winding of the front turntables and clockwise winding of the back turntables, a tray is further arranged below the winding machine to receive redundant resin, and the tray is pulled up to be soaked for the second time after being gathered.
And step three, carrying out multi-channel heating, curing and forming.
And further, in the fourth step, the pipeline is pulled out through the front tractor and the rear tractor, the clamp in the middle of the front tractor clamps the pipeline, then the pipeline is clamped by the rear tractor to continue running after reaching a certain distance, and the pipeline is cut off by the rear cutting machine after reaching the designed size.
Another object of the present invention is to provide a fiber-woven pultruded pipeline manufactured by the method for manufacturing a fiber-woven pultruded pipeline.
It is another object of the present invention to provide a device for the delivery of water supply and drainage, pollution discharge, optical fiber, cable, road and railway underground construction, irrigation, chemical industry, mine fluids assembled by using the fiber-woven pultruded pipeline according to claim 7.
By combining all the technical schemes, the invention has the advantages and positive effects that: according to the invention, firstly, the fiber material is placed on the fiber material rack and is conveyed into the material soaking pool in an inclined manner of 60 degrees, so that the fiber material is fully soaked in resin to increase the toughness of the fiber material.
Then forward and backward cross winding is carried out by conveying the rotary disc fiber silk threads on the winding machine (or forward and backward cross winding is carried out in the same direction), the tensile strength, the ring rigidity and the toughness of the pipeline can be enhanced, 8-16 rotary discs are respectively arranged on the front and the back of the winding machine, the silk threads on the rotary discs are not soaked, (a back thread bracket is respectively arranged in the middle to prevent the silk threads from being disordered and rewound), two motors are arranged below the winding machine, the winding machine is enabled to achieve the anticlockwise winding of the front rotary disc, the clockwise winding of the back rotary disc is realized, a tray is arranged below the winding machine to catch redundant resin, and the winding machine is pulled up to carry out secondary soaking after being gathered. Then the glue is heated by a glue foaming device, and is solidified and formed in the glue after being heated for a plurality of times, so that the inner wall and the outer wall are smooth and beautiful.
And then the pipeline is pulled out through the front tractor and the rear tractor, the pipeline clamped by the clamp in the middle of the front tractor is clamped by the rear tractor to continuously run after the pipeline reaches a certain distance, and the pipeline is cut off by the rear cutting machine after reaching the designed size. Ensuring the continuous production of the product.
The invention can be widely applied to the technical fields of water supply and drainage, pollution discharge, optical fiber, cable, highway and railway underground construction, irrigation, chemical engineering and mine fluid conveying pipelines.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
FIG. 1 is a flow chart of a method of manufacturing a fiber-woven pultruded conduit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems of the prior art, the present invention provides a fiber-woven pultrusion pipeline and a manufacturing method thereof, and the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a method for manufacturing a fiber-woven pultrusion pipeline provided by the embodiment of the invention comprises the following steps:
s101, placing the fiber material on a fiber material rack, conveying the fiber material into a material soaking pool in an inclined 60-degree mode, and enabling the fiber material to be fully soaked in resin to increase the toughness of the fiber material.
S102, the fiber yarns are conveyed to pass through the rotary disc on the winding machine to be wound forward and backward in a forward and backward crossing mode (or to be wound forward and backward in the same direction), the tensile strength, the ring rigidity and the toughness of the pipeline can be enhanced, 8-16 rotary discs are arranged on the front rotary disc and the rear rotary disc respectively, the yarns on the rotary discs are not soaked, (a back-off wire support is arranged in the middle to prevent the yarns from being disordered and rewound), two motors are arranged below the front rotary disc and the rear rotary disc, the winding machine can achieve anticlockwise winding of the front rotary disc, clockwise winding of the rear rotary disc is achieved, a tray is arranged below the front rotary disc, redundant resin is caught, and the yarns are drawn out to be soaked for the.
And S103, heating the foam rubber through a foam rubber device, and curing and forming the foam rubber inside after heating for several times to ensure that the inner wall and the outer wall are smooth and beautiful.
And S104, pulling out the pipeline by the front and rear tractors, clamping the pipeline clamped by the clamp in the middle of the front tractor, clamping the pipeline by the rear tractor to continue running after the pipeline reaches a certain distance, and cutting the pipeline by the rear cutter after the pipeline reaches the designed size.
The present invention will be further described with reference to examples and effects.
Examples
According to the invention, firstly, the fiber material is placed on the fiber material rack and is conveyed into the material soaking pool in an inclined manner of 60 degrees, so that the fiber material is fully soaked in resin to increase the toughness of the fiber material.
Then forward and backward cross winding is carried out by conveying the rotary disc fiber silk threads on the winding machine (or forward and backward cross winding is carried out in the same direction), the tensile strength, the ring rigidity and the toughness of the pipeline can be enhanced, 8-16 rotary discs are respectively arranged on the front and the back of the winding machine, the silk threads on the rotary discs are not soaked, (a back thread bracket is respectively arranged in the middle to prevent the silk threads from being disordered and rewound), two motors are arranged below the winding machine, the winding machine is enabled to achieve the anticlockwise winding of the front rotary disc, the clockwise winding of the back rotary disc is realized, a tray is arranged below the winding machine to catch redundant resin, and the winding machine is pulled up to carry out secondary soaking after being gathered. Then the glue is heated by a glue foaming device, and is solidified and formed in the glue after being heated for a plurality of times, so that the inner wall and the outer wall are smooth and beautiful.
And then the pipeline is pulled out through the front tractor and the rear tractor, the pipeline clamped by the clamp in the middle of the front tractor is clamped by the rear tractor to continuously run after the pipeline reaches a certain distance, and the pipeline is cut off by the rear cutting machine after reaching the designed size. Ensuring the continuous production of the product.
The invention can be widely applied to the technical fields of water supply and drainage, pollution discharge, optical fiber, cable, highway and railway underground construction, irrigation, chemical engineering and mine fluid conveying pipelines.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. A method of manufacturing a fiber-woven pultruded conduit, said method comprising:
step one, putting a fiber material into a soaking pool, and soaking resin;
step two, performing front-back positive and negative cross winding on the fiber silk yarn soaked in the resin; then, carrying out glue soaking heating, and curing and forming the pipeline;
and step three, pulling out the cured and molded pipeline and cutting off the pipeline.
2. The method of manufacturing a fiber-woven pultruded pipeline according to claim 1, wherein said first step comprises placing the fiber material on a fiber stack and delivering the fiber material into the infusion tank at an angle of 60 °.
3. The method of claim 1, wherein in step two, the fiber filaments are cross-wound back and forth by passing through a rotating disc on a winder, or in the same direction.
4. The method of claim 3, wherein the winder has 8-16 rotating discs in front and back, with filament rotating devices on the discs, the filaments on the filament rotating devices are not soaked, back filament supports are arranged between adjacent rotating discs to prevent the filament from being tangled and back filament, two motors are arranged below the winder to wind the front rotating disc counterclockwise and the back rotating disc clockwise, and a tray is arranged below the winder to catch the excess resin and draw it up for the second soaking.
5. The method of manufacturing a fiber-woven pultruded conduit according to claim 1, wherein said step three, curing and shaping are performed after multiple heating passes.
6. The method of manufacturing a fiber-woven pultruded pipeline according to claim 1, wherein in step four, the pipeline is pulled out by a front tractor and a rear tractor, a clamp in the middle of the front tractor clamps the outgoing pipeline, and then the pipeline is clamped by the rear tractor to continue to run after reaching a certain distance, and is cut by a rear cutting machine after reaching a designed size.
7. A fibre-woven pultruded pipeline manufactured according to the method of manufacturing a fibre-woven pultruded pipeline according to any of the claims 1 to 6.
8. A water supply and drainage, sewage, optical fiber, cable, highway and railway underground construction, irrigation, chemical, mine fluid delivery apparatus assembled using the fiber-woven pultruded pipeline of claim 7.
CN202010525244.7A 2020-06-10 2020-06-10 Fiber-woven pultrusion pipeline and manufacturing method Pending CN111716759A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010525244.7A CN111716759A (en) 2020-06-10 2020-06-10 Fiber-woven pultrusion pipeline and manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010525244.7A CN111716759A (en) 2020-06-10 2020-06-10 Fiber-woven pultrusion pipeline and manufacturing method

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101708657A (en) * 2009-10-26 2010-05-19 南京诺尔泰复合材料设备制造有限公司 Production method of composite material by multilayer diagonal winding and production line
CN102179945A (en) * 2011-04-25 2011-09-14 陈分红 Production process of large-calibre epoxy glass fiber and braided strap winding extrusion draw pipe
CN102700153A (en) * 2012-06-12 2012-10-03 江苏恒神纤维材料有限公司 Continuous pultrusion manufacturing method and production device for fibrous composite drive shaft
AU2012213954A1 (en) * 2012-08-15 2014-03-06 Peter Michael John Simond Electrically conductive fibre reinforced plastic articles
CN105003753A (en) * 2015-08-07 2015-10-28 广东宝通玻璃钢有限公司 Thermoplastic pipeline related to continuous fiber reinforcement and producing method
CN106671453A (en) * 2014-06-16 2017-05-17 胜利油田新大管业科技发展有限责任公司 Manufacturing method of multi-layer composite eccentric wear preventing continuous sucker rod

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101708657A (en) * 2009-10-26 2010-05-19 南京诺尔泰复合材料设备制造有限公司 Production method of composite material by multilayer diagonal winding and production line
CN102179945A (en) * 2011-04-25 2011-09-14 陈分红 Production process of large-calibre epoxy glass fiber and braided strap winding extrusion draw pipe
CN102700153A (en) * 2012-06-12 2012-10-03 江苏恒神纤维材料有限公司 Continuous pultrusion manufacturing method and production device for fibrous composite drive shaft
AU2012213954A1 (en) * 2012-08-15 2014-03-06 Peter Michael John Simond Electrically conductive fibre reinforced plastic articles
CN106671453A (en) * 2014-06-16 2017-05-17 胜利油田新大管业科技发展有限责任公司 Manufacturing method of multi-layer composite eccentric wear preventing continuous sucker rod
CN105003753A (en) * 2015-08-07 2015-10-28 广东宝通玻璃钢有限公司 Thermoplastic pipeline related to continuous fiber reinforcement and producing method

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