CN106917919A - A kind of sound-insulating glass steel pipeline - Google Patents
A kind of sound-insulating glass steel pipeline Download PDFInfo
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- CN106917919A CN106917919A CN201710115119.7A CN201710115119A CN106917919A CN 106917919 A CN106917919 A CN 106917919A CN 201710115119 A CN201710115119 A CN 201710115119A CN 106917919 A CN106917919 A CN 106917919A
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- 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
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/041—Devices damping pulsations or vibrations in fluids specially adapted for preventing vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
-
- 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
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to pipe technology field, internal layer, puigging, damping layer, burning into sand layer and outer layer are included more particularly, to a kind of sound-insulating glass steel pipeline, the puigging is fixedly connected on internal layer outer surface；The damping layer is fixedly connected on puigging outer surface；The burning into sand layer is fixedly connected on damping layer outer surface；The outer layer is fixedly connected on burning into sand layer outer surface.Glass reinforced plastic pipe of the present invention has sound insulation, corrosion-resistant, high temperature resistant, effectively the service life of extension glass reinforced plastic pipe.
Description
【Technical field】
The present invention relates to pipe technology field, more particularly, to a kind of sound-insulating glass steel pipeline.
【Background technology】
The tubing used on domestic market generally steel pipe, pvc pipe, pipe of cement and general glass reinforced plastic pipe.Steel pipe is one
Kind of traditional piping material, by steel plate spiral winding into being welded after cylindrical shape, heavier-weight installs inconvenience and resistance to corrosion is poor；
Steel pipe when underground operation is imbedded, bury with the presence or absence of factors such as electric fields near area by water quality, surrounding soil, underground water in pipe,
Pipe inside and outside wall can be set to produce corrosion.Therefore, standard regulation：Body surfaces externally and internally should coat asphalitine or other anti-corrosion materials.
Because coating material is different from the material of steel pipe, in longtime running, by the effect such as cold and hot, hydraulic blow of weather, easily produce
Raw interface debonding comes off, and progressively loses anti-corrosion coat, so that the inner surface iron molecule of pipe produces oxidation, electrochemistry
Corrosion etc., will reduce service life.The operating condition that steel pipe is required in welding is higher, receives condition in work progress at the scene
Limitation welding quality be often difficult to ensure that, therefore weld sealing reliability not as good as glass reinforced plastic pipe, booster phenomenon is exactly
In the weld of steel pipe.The intensity of other pvc pipe is too low, it is actually used in generally require around to irrigate cement to strengthen resistance to compression
Power, long construction period, and material have certain pollution in itself；Pipe of cement is too heavy, and installation and transportation are inconvenient；These are passed
The roughness coefficien of material under the overall leadership is high, and absolute roughness is big, and wall surface resistance is big.Fiberglass is a kind of infant industry material to mould Dai Gang
Material, it is with the clear advantage, being widely used in such as light weight, specific strength high, corrosion-resistant, frictional resistance is small, long service life
The item works such as the essential industry such as work, power plant, municipal works, sewage disposal field, draining especially in colliery, slip casting and gas pumping
Industry occasion is even more and is widely used.But pipeline operationally can all cause very big noise, especially in noise at night meeting
The sleep of serious influence people, rest, and traditional glass steel conduit does not have heat-insulation and heat-preservation function, it is impossible in adverse circumstances
Under, protection is particularly thermally shielded to pipeline in the relatively low environment of temperature.
【The content of the invention】
In view of the foregoing, it is necessary to provide that a kind of anti-aging, anticorrosion, anti-pressure ability are strong, can effective sound insulation glass
Steel pipe.
The purpose of the present invention is achieved through the following technical solutions：
A kind of sound-insulating glass steel pipeline, including internal layer, puigging, damping layer, burning into sand layer and outer layer,
The puigging is fixedly connected on internal layer outer surface；
The damping layer is fixedly connected on puigging outer surface；
The burning into sand layer is fixedly connected on damping layer outer surface；
The outer layer is fixedly connected on burning into sand layer outer surface；
Further, the burning into sand layer is mixed to prepare by silica, quartz sand, flyash and calcium carbonate.
Further, the outer layer is made up of surface of polyester felt and furane resins.
Further, the internal layer preparation method is：Meter takes following raw material composition by weight：Bisphenol type epoxy tree
Fat 20-30 parts, polyamide curing agent 8-15 parts, silane coupler 1-3 parts, ethyl phthalate 5-7 parts, alundum (Al2O3) 1-2 parts, receive
0.1-0.3 parts, polyurethane 1-2 parts and mica 8-12 parts of antimony-doped stannic oxide of rice, above-mentioned raw materials are well mixed as lamination material
Polyester film, fiberglass surfacing mat and glass fibre knitting carpet veneer are pressed into internal layer.
Further, the burning into sand layer is counted by following raw material by weight：Silica 1 0-12 parts, quartz sand 25-30
Part, flyash 3-6 parts and calcium carbonate 6-10 parts of adhesion are formed, by unsaturated polyester resin as adhesion agent.
Further, the outer layer is by surface of polyester felt and furane resins by weight 1:9 compositions.
Further, the particle grades of the quartz sand are according to the following ratio：
The quartz sand particle of granulometric range 20-30 mesh, quality accounting is 50%；
The quartz sand particle of granulometric range 40-50 mesh, quality accounting is 20%；
The quartz sand particle of granulometric range 60-70 mesh, quality accounting is 15%；
The quartz sand particle of granulometric range 100-150 mesh, quality accounting is 15%.
Further, the puigging is made up of sound-absorbing sponge.
Further, the damping layer is made up of elastomeric material.
Sound-insulating glass steel pipeline of the present invention has the following advantages compared with prior art：Using above-mentioned technical glass steel pipe internal layer
There is excellent mechanical performance, adhesive property, toughness and good resistance to corrosion, polyamide using bisphenol A type epoxy resin
Curing agent compared to other curing agent can more effective reinforced epoxy shear strength and toughness.Simple epoxy resin is consolidated
Compound is more crisp, and impact resistance and bending-resistant type are poor, adds ethyl phthalate to reduce its solidfied material fragility, improves its toughness；Add
Silane coupler can, acid resistance material ageing-resistant, water-fast with reinforcing glass steel pipe, strengthen its toughness and service life.Add poly-
Urethane and mica with reinforcing glass steel pipe stability, can improve wearability, heat resistance, resistance to ag(e)ing, resistance toization of resin cured matter
The performance of the aspects such as product.Polyurethane can also reduce the water imbibition of resin cured matter, improve compression strength and impact resistance.It is interior
Alundum (Al2O3), nanometer antimony-doped stannic oxide are added in layer can strengthen heat-proof quality and resistance to elevated temperatures.Burning into sand layer is by dioxy
SiClx, quartz sand, flyash and calcium carbonate are mixed to prepare can be used with the rigidity of reinforcing glass steel pipe and anti-pressure ability, quartz sand
Proportioning of different sizes, enables glass reinforced plastic pipe more preferably to increase anti-pressure ability.The present invention is provided with puigging and damping layer, Ke Yiyou
The noise imitated sound insulation and prevent vibrations from producing.After said structure, the intensity of itself increases, and slows down corrosion, extends glass
The service life of steel pipe.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is a kind of sound-insulating glass steel pipeline structure chart of the embodiment of the present invention.
In accompanying drawing：1- outer layers；2- burnings into sand layer；3- damping layers；4- puiggings；5- internal layers.
【Specific embodiment】
Below in conjunction with the accompanying drawings and specific embodiment the invention will be further described.
Embodiment 1
A kind of sound-insulating glass steel pipeline, including internal layer 5, puigging 4, damping layer 3, burning into sand layer 2 and outer layer 1,
Puigging 4 is fixedly connected on the outer surface of internal layer 5；
Damping layer 3 is fixedly connected on the outer surface of puigging 4；
Burning into sand layer 2 is fixedly connected on the outer surface of damping layer 3；
Outer layer 1 is fixedly connected on burning into sand 2 outer surface of layer.
Further, the preparation method of internal layer 5 is：Meter takes following raw material composition by weight：Bisphenol A type epoxy resin
20-30 parts, 8 parts of polyamide curing agent, 1 part of silane coupler, 5 parts of ethyl phthalate, 1 part of alundum (Al2O3), nano antimony doped dioxy
Change 0.1 part of tin, 8 parts of 1 part of polyurethane and mica, using above-mentioned raw materials it is well mixed as lamination material by polyester film, glass fibers dimension table
Face felt and glass fibre knitting carpet veneer are pressed into internal layer 5.Burning into sand layer 2 is counted by following raw material by weight：0 part of silica 1,
25 parts of quartz sand, the 6 parts of adhesions of 3 parts of flyash and calcium carbonate are formed, and are made up as adhesion agent of unsaturated polyester resin.Outer layer 1
By surface of polyester felt and furane resins by weight 1:9 compositions.Puigging 4 is made up of sound-absorbing sponge.Damping layer 3 is by elastomeric material
It is made.
Further, the particle grades of the quartz sand are according to the following ratio：
The quartz sand particle of granulometric range 20-30 mesh, quality accounting is 50%；
The quartz sand particle of granulometric range 40-50 mesh, quality accounting is 20%；
The quartz sand particle of granulometric range 60-70 mesh, quality accounting is 15%；
The quartz sand particle of granulometric range 100-150 mesh, quality accounting is 15%.
Embodiment 2
A kind of sound-insulating glass steel pipeline, including internal layer 5, puigging 4, damping layer 3, burning into sand layer 2 and outer layer 1,
Puigging 4 is fixedly connected on the outer surface of internal layer 5；
Damping layer 3 is fixedly connected on the outer surface of puigging 4；
Burning into sand layer 2 is fixedly connected on the outer surface of damping layer 3；
Outer layer 1 is fixedly connected on burning into sand 2 outer surface of layer.
Further, the preparation method of internal layer 5 is：Meter takes following raw material composition by weight：Bisphenol A type epoxy resin 30
Part, 15 parts of polyamide curing agent, 3 parts of silane coupler, 7 parts of ethyl phthalate, 2 parts of alundum (Al2O3), nanometer antimony-doped stannic oxide
12 parts of 0.3 part, 2 parts of polyurethane and mica, using above-mentioned raw materials it is well mixed as lamination material by polyester film, fiberglass surfacing mat
Internal layer 5 is pressed into glass fibre knitting carpet veneer.Burning into sand layer 2 is counted by following raw material by weight：2 parts of silica 1, quartz
30 parts of sand, the 10 parts of adhesions of 6 parts of flyash and calcium carbonate are formed, and are made up as adhesion agent of unsaturated polyester resin.Outer layer 1 is by gathering
Ester surface felt and furane resins are by weight 1:9 compositions.Puigging 4 is made up of sound-absorbing sponge.Damping layer 3 is by elastomeric material system
Into.
Further, the particle grades of the quartz sand are according to the following ratio：
The quartz sand particle of granulometric range 20-30 mesh, quality accounting is 50%；
The quartz sand particle of granulometric range 40-50 mesh, quality accounting is 20%；
The quartz sand particle of granulometric range 60-70 mesh, quality accounting is 15%；
The quartz sand particle of granulometric range 100-150 mesh, quality accounting is 15%.
Embodiment 3
A kind of sound-insulating glass steel pipeline, including internal layer 5, puigging 4, damping layer 3, burning into sand layer 2 and outer layer 1,
Puigging 4 is fixedly connected on the outer surface of internal layer 5；
Damping layer 3 is fixedly connected on the outer surface of puigging 4；
Burning into sand layer 2 is fixedly connected on the outer surface of damping layer 3；
Outer layer 1 is fixedly connected on burning into sand 2 outer surface of layer.
Further, the preparation method of internal layer 5 is：Meter takes following raw material composition by weight：Bisphenol A type epoxy resin
20-30 parts, 10 parts of polyamide curing agent, 2 parts of silane coupler, 6 parts of ethyl phthalate, 1.5 parts of alundum (Al2O3), nano antimony doped two
9 parts of 0.2 part of tin oxide, 1.4 parts of polyurethane and mica, using above-mentioned raw materials it is well mixed as lamination material by polyester film, glass fibers
Dimension table face felt and glass fibre knitting carpet veneer are pressed into internal layer 5.Burning into sand layer 2 is counted by following raw material by weight：Silica
11 parts, 27 parts of quartz sand, the 8 parts of adhesions of 4 parts of flyash and calcium carbonate form, be made up as adhesion agent of unsaturated polyester resin.
Outer layer 1 is by surface of polyester felt and furane resins by weight 1:9 compositions.Puigging 4 is made up of sound-absorbing sponge.Damping layer 3 is by rubber
Glue material is made.
Further, the particle grades of the quartz sand are according to the following ratio：
The quartz sand particle of granulometric range 20-30 mesh, quality accounting is 50%；
The quartz sand particle of granulometric range 40-50 mesh, quality accounting is 20%；
The quartz sand particle of granulometric range 60-70 mesh, quality accounting is 15%；
The quartz sand particle of granulometric range 100-150 mesh, quality accounting is 15%.
The above, only present pre-ferred embodiments, therefore the scope of present invention implementation can not be limited with this, i.e., according to
The equivalence changes that scope of the present invention patent and description are made and modification, all should still belong to the model that patent of the present invention covers
In enclosing.
Claims (9)
1. a kind of sound-insulating glass steel pipeline, it is characterised in that：Including internal layer, puigging, damping layer, burning into sand layer and outer layer,
The puigging is fixedly connected on internal layer outer surface；
The damping layer is fixedly connected on puigging outer surface；
The burning into sand layer is fixedly connected on damping layer outer surface；
The outer layer is fixedly connected on burning into sand layer outer surface.
2. glass reinforced plastic pipe according to claim 1, it is characterised in that：The burning into sand layer is by silica, quartz sand, flyash
And calcium carbonate is mixed to prepare.
3. sound-insulating glass steel pipeline according to claim 1, it is characterised in that：The outer layer is by surface of polyester felt and furans tree
Fat is constituted.
4. sound-insulating glass steel pipeline according to claim 1, it is characterised in that：The internal layer preparation method is：By weight
Number meter takes following raw material composition：Bisphenol A type epoxy resin 20-30 parts, polyamide curing agent 8-15 parts, silane coupler 1-3 parts,
Ethyl phthalate 5-7 parts, alundum (Al2O3) 1-2 parts, polyurethane 1-2 parts and mica 8-12 parts, using above-mentioned raw materials it is well mixed as
Polyester film, fiberglass surfacing mat and glass fibre knitting carpet veneer are pressed into internal layer by lamination material.
5. sound-insulating glass steel pipeline according to claim 2, it is characterised in that：The burning into sand layer is counted by following by weight
Raw material：Silica 1 0-12 parts, quartz sand 25-30 parts, flyash 3-6 parts and calcium carbonate 6-10 parts adhesion is formed, by unsaturation
Polyester resin is used as adhesion agent.
6. sound-insulating glass steel pipeline according to claim 3, it is characterised in that：The outer layer is by surface of polyester felt and furans tree
Fat is by weight 1:9 compositions.
7. sound-insulating glass steel pipeline according to claim 2, it is characterised in that：The particle grades of the quartz sand are matched somebody with somebody as following
Than：
The quartz sand particle of granulometric range 20-30 mesh, quality accounting is 50%；
The quartz sand particle of granulometric range 40-50 mesh, quality accounting is 20%；
The quartz sand particle of granulometric range 60-70 mesh, quality accounting is 15%；
The quartz sand particle of granulometric range 100-150 mesh, quality accounting is 15%.
8. sound-insulating glass steel pipeline according to claim 1, it is characterised in that：The puigging is made up of sound-absorbing sponge.
9. sound-insulating glass steel pipeline according to claim 1, it is characterised in that：The damping layer is made up of elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115119.7A CN106917919A (en) | 2017-02-28 | 2017-02-28 | A kind of sound-insulating glass steel pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115119.7A CN106917919A (en) | 2017-02-28 | 2017-02-28 | A kind of sound-insulating glass steel pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN106917919A true CN106917919A (en) | 2017-07-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710115119.7A Pending CN106917919A (en) | 2017-02-28 | 2017-02-28 | A kind of sound-insulating glass steel pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464770A (en) * | 2021-06-23 | 2021-10-01 | 东北大学 | Z-shaped light pipeline of aircraft engine based on grid type rigidity and damping enhancement and preparation method |
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| US5590691A (en) * | 1994-05-02 | 1997-01-07 | Itt Corporation | Extruded multiple plastic layer coating bonded to a metal tube |
| CN201858439U (en) * | 2010-11-25 | 2011-06-08 | 新疆通利塑业有限公司 | Soundproof plastic pipe |
| CN202302378U (en) * | 2011-11-02 | 2012-07-04 | 梁红英 | Sound-insulating glass steel pipeline |
| CN102563227A (en) * | 2012-01-20 | 2012-07-11 | 郝振亚 | Dual-lining impermeable glass steel tube |
| CN102691831A (en) * | 2012-05-30 | 2012-09-26 | 浙江新世管道股份有限公司 | Sand pipe |
| CN102797916A (en) * | 2012-08-16 | 2012-11-28 | 广西盛世鸿霞玻璃钢制品有限公司 | Multilayer structure glass fiber reinforced plastic tube |
| CN103289313A (en) * | 2012-02-27 | 2013-09-11 | 河北华强科技开发有限公司 | Preparation method of improved glass fiber reinforced plastic material |
-
2017
- 2017-02-28 CN CN201710115119.7A patent/CN106917919A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5590691A (en) * | 1994-05-02 | 1997-01-07 | Itt Corporation | Extruded multiple plastic layer coating bonded to a metal tube |
| CN201858439U (en) * | 2010-11-25 | 2011-06-08 | 新疆通利塑业有限公司 | Soundproof plastic pipe |
| CN202302378U (en) * | 2011-11-02 | 2012-07-04 | 梁红英 | Sound-insulating glass steel pipeline |
| CN102563227A (en) * | 2012-01-20 | 2012-07-11 | 郝振亚 | Dual-lining impermeable glass steel tube |
| CN103289313A (en) * | 2012-02-27 | 2013-09-11 | 河北华强科技开发有限公司 | Preparation method of improved glass fiber reinforced plastic material |
| CN102691831A (en) * | 2012-05-30 | 2012-09-26 | 浙江新世管道股份有限公司 | Sand pipe |
| CN102797916A (en) * | 2012-08-16 | 2012-11-28 | 广西盛世鸿霞玻璃钢制品有限公司 | Multilayer structure glass fiber reinforced plastic tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464770A (en) * | 2021-06-23 | 2021-10-01 | 东北大学 | Z-shaped light pipeline of aircraft engine based on grid type rigidity and damping enhancement and preparation method |
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Application publication date: 20170704 |