CN108443609A - A kind of anti-corrosion high voltage-resistant multiunit tube joint and attaching method thereof - Google Patents
A kind of anti-corrosion high voltage-resistant multiunit tube joint and attaching method thereof Download PDFInfo
- Publication number
- CN108443609A CN108443609A CN201810494991.1A CN201810494991A CN108443609A CN 108443609 A CN108443609 A CN 108443609A CN 201810494991 A CN201810494991 A CN 201810494991A CN 108443609 A CN108443609 A CN 108443609A
- Authority
- CN
- China
- Prior art keywords
- multiple tube
- female connector
- pipe nipple
- resistant
- high voltage
- 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
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping 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
Abstract
The present invention discloses a kind of anti-corrosion high voltage-resistant multiunit tube joint and attaching method thereof, belongs to non-metal composite pipe technical field, including female connector and multiple tube pipe nipple;Female connector is located at the end of multiple tube and multiple tube enhancement layer is integrally formed, and the both ends of multiple tube pipe nipple are respectively arranged with interconnecting piece, and the interconnecting piece connect with female connector, and when use is provided with the multiple tube of female connector by multiple tube pipe nipple two radicles of connection.By with the integrally formed female connector of multiple tube enhancement layer, it ensure that the intensity that female connector is connected with multiple tube, female connector is connected with multiple tube pipe nipple, realize the connection of multiple tube, it solves the problems, such as to use metal joint connection not corrosion-resistant in the prior art, and it solves the problems, such as that bonding strength existing in the prior art is less than multiple tube intensity, increases bonding strength and service life.
Description
Technical field
The present invention relates to non-metal composite pipe technical field, specially a kind of anti-corrosion high voltage-resistant multiunit tube joint and its company
Connect method.
Background technology
Nonmetal pipeline has excellent corrosion resistance, it has also become the etch-proof important development of oil gas field gathering line
Direction.Oil gas field, from initial glass reinforced plastic pipe, includes fibre reinforced composite tubes, steel skeleton till now with nonmetal pipeline
A plurality of types of non-metal composite pipes such as multiple tube, flexible composite pipe, plastic alloy multiple tube.Nonmetallic continuous composite pipe includes
Composite pipe lining layer, multiple tube enhancement layer and compound pipe covering, outside composite pipe lining layer, multiple tube enhancement layer and multiple tube
Sequentially coaxially the heart is arranged protective layer from inside to outside.
Currently, existing nonmetallic continuous composite pipe is mainly connected using mechanical attaching type metal joint, i.e., first by metal
Connector is inserted into composite pipe body liner layer, then using outside detain or it is interior it is swollen by the way of so that metal joint and nonmetallic tube body is answered
It closes.It is connect as utility model patent that China Patent Publication No. is 201925632 U of CN discloses a kind of attaching type composite pressure pipe
Head and pipe connecting structure just belong to fastening type metal connector type of attachment.Using the whole nonmetallic defeated of metal joint connection
Send pipeline there are localized metallic channel, the appearance of metal passage can bring the unfavorable factor of four aspects.When metal material with
The physical contact between media of conveying can be corroded if metal material selection is improper by pumped (conveying) medium, and then influence whole pipeline
Active time increases operation risk;Second is that since metal joint is inserted into inside nonmetallic continuous composite pipe, metal
The channel caliber that connector is formed is less than the caliber of whole pipeline, influences the transfer efficiency of pipeline;Third, withhold metal joint with
Binding force between nonmetallic tube body is only provided by the frictional force between the two, and bond strength is limited, is significantly smaller than nonmetallic
The tensile strength of tube body;Fourth, for the non-metal composite pipe line of conveying high-pressure natural gas, gas medium can from metal joint with
The interface that composite pipe lining layer 1 is withheld slowly penetrates into the structure sheaf of multiple tube, and composite pipe structure layer is caused to fail.
For this purpose, the prior art also proposed some Novel connection types, if China Patent Publication No. is CN 103267192
The patent of invention of A discloses a kind of flexible composite tube connector and attaching method thereof.It proposes to use thermoplastic material in the invention
Material makes connector, and connector, by ultrasonic bonding connection, is connected between connector and connector by way of flange with multiple tube tube body
It connects.It is found by experiment that the connector and attaching method thereof that the invention proposes is only applicable to lower operating pressure, joint is held
Pressure performance is significantly less than the load performance of multiple tube tube body.
Invention content
For problems of the prior art, a kind of anti-corrosion high voltage-resistant multiunit tube joint of present invention offer and its connection
Method, corrosion-resistant, bonding strength is high, high pressure resistant.
The present invention is to be achieved through the following technical solutions:
A kind of anti-corrosion high voltage-resistant multiunit tube joint, including female connector and multiple tube pipe nipple;
The female connector is located at the end of multiple tube and multiple tube enhancement layer is integrally formed, the both ends point of multiple tube pipe nipple
It is not provided with interconnecting piece, the interconnecting piece is connected with female connector, and connecting two radicles by multiple tube pipe nipple when use is provided with
The multiple tube of female connector;Multiple tube enhancement layer is wrapped on composite pipe lining layer by reinforcement material and is molded, the female connector
Wrapping formed by reinforcement material, the reinforcement material of multiple tube enhancement layer and the reinforcement material of female connector are continuous.
Optionally, internal thread is provided on the female connector, is provided with external screw thread on the interconnecting piece, the internal thread and
External screw thread is tightly connected, and the thread rotary orientation on the interconnecting piece of multiple tube pipe nipple both ends is opposite.
Optionally, the multiple tube pipe nipple includes multiple tube pipe nipple liner layer and multiple tube pipe nipple enhancement layer, and multiple tube is short
Section enhancement layer is arranged in the outside of multiple tube pipe nipple liner layer, and multiple tube pipe nipple liner layer end set has flange.
Optionally, be provided with the first sealing ring between the female connector and composite pipe lining layer, the multiple tube pipe nipple and
The second sealing ring is provided between multiple tube.
Further alternative, there are two the settings of the first sealing ring, and is O-ring seal.
Optionally, female connector reinforcement material includes winding fiber and thermosetting resin.
A kind of connection method of anti-corrosion high voltage-resistant multiunit tube joint, including:
Step S1, in multiple tube enhancement layer end set female connector core model, winding and multiple tube enhancement layer connect on core model
Continuous female connector reinforcement material forms female connector;
Step S2, the coiled composite tube pipe nipple reinforcement material on multiple tube pipe nipple liner layer form multiple tube pipe nipple and increase
Strong layer processes interconnecting piece at the both ends of multiple tube pipe nipple enhancement layer;
Step S3, connecting two ends by multiple tube pipe nipple has the multiple tube of female connector, wherein female connector and connection
Portion connects.
Optionally, before step S1, fiber winding commutator is set outside internal lining pipe;
In step S1, on core model after winding and the continuous female connector reinforcement material of multiple tube enhancement layer, and 25~
After curing 8~36 hours at 65 DEG C, core model is taken out, the female connector with multiple tube one is obtained.
Optionally, in step S2, on multiple tube pipe nipple liner layer after coiled composite tube pipe nipple reinforcement material, 45~
Cure 5.5~8.5 hours at 85 DEG C.
Optionally, the core model is threaded mold, and the both ends of multiple tube pipe nipple are threaded.
Compared with prior art, the present invention has technique effect beneficial below:
The present invention discloses a kind of anti-corrosion high voltage-resistant multiunit tube joint, including female connector and multiple tube pipe nipple;Female connector position
It is integrally formed in the end of multiple tube and multiple tube enhancement layer, the both ends of multiple tube pipe nipple are respectively arranged with interconnecting piece, the company
Socket part is connected with female connector, connects the multiple tube that two radicles are provided with female connector by multiple tube pipe nipple when use.By with
The integrally formed female connector of multiple tube enhancement layer ensure that the intensity that female connector is connected with multiple tube, female connector and multiple tube are short
Section connection, realizes the connection of multiple tube, solves the problems, such as to use metal joint connection not corrosion-resistant in the prior art, and
It solves the problems, such as that bonding strength existing in the prior art is less than multiple tube intensity, increases bonding strength and service life.
Further, female connector and multiple tube pipe nipple are by thread seal, and connection is reliable, and detachable maintaining is convenient.
The present invention discloses a kind of connection method of anti-corrosion high voltage-resistant multiunit tube joint, by multiple tube enhancement layer end
Female connector core model is set, and winding and the continuous female connector reinforcement material of multiple tube enhancement layer on core model form female connector;
Coiled composite tube pipe nipple reinforcement material on multiple tube pipe nipple liner layer forms multiple tube pipe nipple enhancement layer, in multiple tube pipe nipple
The both ends of enhancement layer process interconnecting piece;Connecting two ends by multiple tube short circuit has the multiple tube of female connector.It solves existing
Have and connect not corrosion-resistant problem in technology using metal joint, and solves bonding strength existing in the prior art and be less than
The problem of multiple tube intensity, increase bonding strength and service life.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of female connector provided in an embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of multiple tube pipe nipple provided in an embodiment of the present invention;
Fig. 3 is a kind of structural schematic diagram of anti-corrosion high voltage-resistant multiunit tube joint provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram that a kind of fiber provided in an embodiment of the present invention winds commutator.
In figure:1, composite pipe lining layer;2, multiple tube enhancement layer;3, compound pipe covering;4, the first sealing ring;5, female
Connector;6, internal thread;8, composite pipe lining layer flange;9, multiple tube pipe nipple;10, multiple tube pipe nipple enhancement layer;11, external screw thread;
12, multiple tube pipe nipple liner layer;13 be the second sealing ring.
Specific implementation mode
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
As shown in Figures 1 to 3, multiple tube include composite pipe lining layer 1, multiple tube enhancement layer 2 and with compound pipe covering
3, sequentially coaxially the heart is arranged from inside to outside for composite pipe lining layer 1, multiple tube enhancement layer 2 and compound pipe covering 3, and the present invention is real
A kind of anti-corrosion high voltage-resistant multiunit tube joint of example offer is provided, including:Female connector 5 and multiple tube pipe nipple 9;Female connector 5 is located at multiple
The end and multiple tube enhancement layer 2 for closing pipe are integrally formed, and the both ends of multiple tube pipe nipple 9 are respectively arranged with interconnecting piece, the connection
Portion and female connector 5 connect, and connect the multiple tube that two radicles are provided with female connector 5 by multiple tube pipe nipple 9 when use.Female connector
It is provided with internal thread 6 on 5, external screw thread 11 is provided on interconnecting piece, internal thread 6 and external screw thread 11 connect.
Multiple tube pipe nipple 9 includes multiple tube pipe nipple liner layer 12 and multiple tube pipe nipple enhancement layer 10, the enhancing of multiple tube pipe nipple
Layer 10 is arranged in the outside of composite pipe lining layer 1, and 12 end set of multiple tube pipe nipple liner layer has flange, composite pipe lining layer 1
End set has composite pipe lining layer flange 8.
Be provided with the first sealing ring 4 between female connector 5 and composite pipe lining layer, the multiple tube pipe nipple 9 and multiple tube it
Between be provided with the second sealing ring 13.
Multiple tube enhancement layer 2 is wrapped on composite pipe lining layer 1 by winding material and is molded, and the female connector 5 is by twining
Wrapping formed around material, the winding material of multiple tube enhancement layer 2 and the winding material of female connector 5 are continuous.Female connector 5 is wound
Material includes winding fiber and thermosetting resin.
The manufacturing process of female connector 5 is synchronized with multiple tube tube body production process and is carried out continuously, in the termination of multiple tube tube body
Part, using multiple tube enhancement layer 2 wind fiber and thermosetting resin it is compound after, in 1 end of composite pipe lining layer and interior spiral shell
Certain thickness and length are wound using fiber winding commutator winding certain angle on 6 mold of line, internal thread 6 is taken out after solidification
Mold, female connector 5 and internal thread 6 complete, the making of multiple tube pipe nipple 9, i.e., fiber and heat are used outside pipe nipple liner layer
Winding after thermosetting resin is compound, in the processing of pipe nipple enhancement layer both ends and the mating external screw thread 11 of internal thread 6, pipe nipple liner after solidification
Layer both ends carry out flange processing, female connector 5 and multiple tube pipe nipple 9 and add the second sealing ring 13 using when being threadedly coupled, and are connect with mother
First 5 two multiple tubes with a multiple tube pipe nipple 9 by connecting the connection, it can be achieved that between multiple tube.
Multiple tube pipe nipple liner layer material is identical as multiple tube tube body liner layer material, and liner layer material is moulded for thermoplasticity
Material preferentially selects polyethylene, polypropylene, Kynoar, nylon, polystyrene, polyphenylene sulfide, polyether-ether-ketone.
Multiple tube pipe nipple liner layer both ends use flanging process, increase the sealing area of liner layer and sealing ring.Multiple tube
Pipe nipple enhancement layer is combined using multiple tube tube body reinforcement material and thermosetting resin winding.
The embodiment of the present invention provides a kind of connection method of anti-corrosion high voltage-resistant multiunit tube joint, including:
Step S1, in 2 end set female connector of multiple tube enhancement layer, 5 core model, winding and multiple tube enhancement layer 2 on core model
5 winding material of continuous female connector, forms female connector 5;
Step S2 processes interconnecting piece according to the size of molding female connector 5 in step S1 at the both ends of multiple tube pipe nipple 9;
Step S3 passes through multiple tube short circuit and connects multiple tube of two ends with female connector 5, wherein female connector 5 and company
Socket part links.
Wherein, in step S1, on core model winding and 2 continuous female connector of multiple tube enhancement layer, 5 winding material after, and
After curing 8~36 hours at 25~65 DEG C, core model is taken out, the female connector 5 with multiple tube one is obtained.
In step S2, on multiple tube pipe nipple liner layer 12 after 10 material of coiled composite tube pipe nipple enhancement layer, 45~85
Cure 5.5~8.5 hours at DEG C.
Core model is threaded mold, and the both ends of multiple tube pipe nipple 9 are threaded.
Fiber is set outside internal lining pipe before step S1 and winds commutator, such as Fig. 4.Further include in composite pipe lining layer 1
The first sealing ring of end set 4.
Embodiment 1
When multiple tube is glass fiber reinforced polyester vinylidene multiple tube:
1 material of composite pipe lining layer is Kynoar, and multiple tube enhancement layer 2 is that glass fibre is directly wound, multiple tube
External protection 3 coats for polyethylene.Using multiple with 2 continuous glass fibre of multiple tube enhancement layer and epoxy resin at female connector 5
It is wound after conjunction, resin formula is 100 parts of 6101 epoxy, 12 parts of 304 polyester, 17 parts of triethanolamine, installs 2 on internal lining pipe when winding
A fluororubber O-type sealing ring, sealing ring inside setting fiber wind commutator, and core model is taper thread mold, core model and multiple tube
Liner layer 1 is coaxially fixed, and releasing agent is coated on mold, and female connector 5 cures 24 hours at 55 DEG C, and mold is taken out after solidification, and band is female
The multiple tube of connector 5 completes.9 liner material of multiple tube pipe nipple is Kynoar, and multiple tube pipe nipple enhancement layer 10 uses
Glass fibre and the compound rear winding of epoxy resin, resin formula is 100 parts of 6101 epoxy, 12 parts of 304 polyester, triethanolamine 17
Part, cure 18 hours for 80 DEG C after the completion of winding, liner layer both ends process flange, the processing of pipe nipple both ends and the mating cone of female connector 5
Screw thread.A piece multiple tube with female connector 5 is connect with pipe nipple one end external screw thread 11, and when connection encrypts seal, and in addition a band is female
The multiple tube of connector 5 is connect with pipe nipple other end external screw thread 11, and when connection encrypts seal, realizes whole pipeline connection.Connection
After carried out verification test, content of the test includes hydraulic bursting test in short-term, it is long when air seal test.Hydraulic pressure demolition pressure in short-term
Force value is 65MPa, and tube body position is failed, and joint does not fail.Air seal test gas pressure value is 20MPa when long,
Pressurize 4 hours, tube body and joint do not leak.
Embodiment 2
When multiple tube, which is aramid fiber, enhances nylon 11 multiple tube:
1 material of composite pipe lining layer is nylon 11, and multiple tube enhancement layer 2 is that aramid fiber is directly wound, and external protection is
Polyethylene coats.It is used at female connector 5 and is with the compound rear winding of the continuous aramid fiber of enhancement layer and epoxy resin, resin formula
6101 100 parts of epoxies, 10 parts of 304 polyester install 2 fluororubber O-type sealing rings, sealing ring when winding on composite pipe lining layer 1
Inside is arranged fiber and winds commutator, and core model is taper thread mold, and core model is coaxial fixed with composite pipe lining layer 1, is applied on mold
There are releasing agent, female connector 5 to cure 48 hours using 45 DEG C, mold is taken out after solidification, the multiple tube with female connector 5 completes.
9 liner material of multiple tube pipe nipple is nylon 11, multiple tube pipe nipple enhancement layer 10 using aramid fiber and epoxy resin it is compound after twine
Around resin formula is 100 parts of 6101 epoxy, 10 parts of 304 polyester, is cured 12 hours for 85 DEG C after the completion of winding, composite pipe lining layer 1
Both ends process flange, the processing of 9 both ends of multiple tube pipe nipple and the mating taper thread of female connector 5.Piece multiple tube with female connector 5 with
Pipe nipple one end external screw thread 11 connects, and when connection encrypts seal, and sealing ring is polytetrafluoroethylene (PTFE) material, in addition a band female connector 5
Multiple tube connect with 9 other end external screw thread 11 of multiple tube pipe nipple, when connection, adds teflin ring, realizes whole pipe
Line connects.Carried out verification test after connection, content of the test includes hydraulic bursting test in short-term, it is long when air seal test.It is short
When hydraulic pressure demolition pressure value be 54MPa, the failure of tube body position, joint do not fail.Air seal test gas pressure when long
Force value is 15MPa, and pressurize 4 hours, multiple tube tube body and joint do not leak.
The specific embodiment that the present invention is lifted only is the annotation to the invention spirit, person skilled in the art of the present invention
It can modify to the specific embodiment of description or similar method substitutes, without departing from the spirit of the present invention.
Claims (10)
1. a kind of anti-corrosion high voltage-resistant multiunit tube joint, which is characterized in that including female connector (5) and multiple tube pipe nipple (9);It is described
Female connector (5) is located at the end of multiple tube and multiple tube enhancement layer (2) is integrally formed, and the both ends of multiple tube pipe nipple (9) are set respectively
It is equipped with interconnecting piece, the interconnecting piece and female connector (5) connection, in use, connecting the setting of two radicles by multiple tube pipe nipple (9)
There is the multiple tube of female connector (5);
Multiple tube enhancement layer (2) is wrapped on composite pipe lining layer (1) by reinforcement material and is molded, and the female connector (5) is logical
Cross that reinforcement material is Wrapping formed, the reinforcement material of multiple tube enhancement layer (2) and the reinforcement material of female connector (5) are continuous
's.
2. a kind of anti-corrosion high voltage-resistant multiunit tube joint as described in claim 1, which is characterized in that on the female connector (5)
It is provided with internal thread (6), external screw thread (11) is provided on the interconnecting piece, the internal thread (6) and external screw thread (11) sealing connect
It connects, the thread rotary orientation on the interconnecting piece of multiple tube pipe nipple both ends is opposite.
3. a kind of anti-corrosion high voltage-resistant multiunit tube joint as described in claim 1, which is characterized in that the multiple tube pipe nipple
(9) include multiple tube pipe nipple liner layer (12) and multiple tube pipe nipple enhancement layer (10), multiple tube pipe nipple enhancement layer (10), which is arranged, to exist
The outside of multiple tube pipe nipple liner layer (12), multiple tube pipe nipple liner layer (12) end set have flange.
4. a kind of anti-corrosion high voltage-resistant multiunit tube joint as described in claim 1, which is characterized in that the female connector (5) and
The first sealing ring (4) is provided between composite pipe lining layer (1), the multiple tube pipe nipple (9) is provided between multiple tube
Two sealing rings (13).
5. a kind of anti-corrosion high voltage-resistant multiunit tube joint as claimed in claim 4, which is characterized in that the first sealing ring (4) is set
There are two setting, and it is O-ring seal.
6. a kind of anti-corrosion high voltage-resistant multiunit tube joint as described in claim 1, which is characterized in that female connector reinforcement material
Including winding fiber and thermosetting resin.
7. a kind of connection method of anti-corrosion high voltage-resistant multiunit tube joint, which is characterized in that including:
Step S1, in multiple tube enhancement layer (2) end set female connector core model, winding and multiple tube enhancement layer (2) on core model
Continuous female connector reinforcement material, forms female connector (5);
Step S2, the coiled composite tube pipe nipple reinforcement material on multiple tube pipe nipple liner layer (12) form multiple tube pipe nipple and increase
Strong layer (10) processes interconnecting piece at the both ends of multiple tube pipe nipple enhancement layer (10);
Step S3 passes through multiple tube pipe nipple and connects multiple tube of two ends with female connector (5), wherein female connector (5) and company
Socket part connects.
8. a kind of connection method of anti-corrosion high voltage-resistant multiunit tube joint as claimed in claim 7, which is characterized in that step S1
Before, fiber outside internal lining pipe is set and winds commutator;
In step S1, on core model after the continuous female connector reinforcement material of winding and multiple tube enhancement layer (2), and 25~65
After curing 8~36 hours at DEG C, core model is taken out, is obtained and the female connector of multiple tube one (5).
9. a kind of connection method of anti-corrosion high voltage-resistant multiunit tube joint as claimed in claim 7, which is characterized in that step S2
In, on multiple tube pipe nipple liner layer (12) after coiled composite tube pipe nipple reinforcement material, at 45~85 DEG C cure 5.5~
8.5 hour.
10. a kind of connection method of anti-corrosion high voltage-resistant multiunit tube joint as claimed in claim 7, which is characterized in that described
Core model is threaded mold, and the both ends of multiple tube pipe nipple (9) are threaded.
Priority Applications (1)
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CN201810494991.1A CN108443609A (en) | 2018-05-22 | 2018-05-22 | A kind of anti-corrosion high voltage-resistant multiunit tube joint and attaching method thereof |
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CN201810494991.1A CN108443609A (en) | 2018-05-22 | 2018-05-22 | A kind of anti-corrosion high voltage-resistant multiunit tube joint and attaching method thereof |
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ID=63204343
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CN201810494991.1A Pending CN108443609A (en) | 2018-05-22 | 2018-05-22 | A kind of anti-corrosion high voltage-resistant multiunit tube joint and attaching method thereof |
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Cited By (1)
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CN109454892A (en) * | 2018-10-27 | 2019-03-12 | 滁州市润琦碳纤维制品有限公司 | A kind of carbon fiber pipe preparation method being embedded with nut |
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CN107477281A (en) * | 2017-09-16 | 2017-12-15 | 中国海洋大学 | A kind of double limitation connection systems of ocean fiber reinforced composite pipe |
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US5383692A (en) * | 1984-11-23 | 1995-01-24 | Watts; John D. | Threaded tubular connection |
JPH08127064A (en) * | 1994-10-31 | 1996-05-21 | Sekisui Chem Co Ltd | Screwed fiber reinforced thermoplastic resin composite pipe and production thereof |
US5895079A (en) * | 1996-02-21 | 1999-04-20 | Kenneth J. Carstensen | Threaded connections utilizing composite materials |
CN2572175Y (en) * | 2002-09-13 | 2003-09-10 | 石庆林 | Convenient pipe joint |
CN201053543Y (en) * | 2007-06-29 | 2008-04-30 | 李茂国 | Antistatic flame-retardant nano hybrid fiber composite material pipe |
CN102287589A (en) * | 2010-06-17 | 2011-12-21 | 甘国工 | Steel plastic composite pipe for spirally-wound steel wire reinforcing body and pipe network |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109454892A (en) * | 2018-10-27 | 2019-03-12 | 滁州市润琦碳纤维制品有限公司 | A kind of carbon fiber pipe preparation method being embedded with nut |
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