CN209508726U - A kind of fiber reinforcement composite sleeper - Google Patents
A kind of fiber reinforcement composite sleeper Download PDFInfo
- Publication number
- CN209508726U CN209508726U CN201821504040.XU CN201821504040U CN209508726U CN 209508726 U CN209508726 U CN 209508726U CN 201821504040 U CN201821504040 U CN 201821504040U CN 209508726 U CN209508726 U CN 209508726U
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- Prior art keywords
- sleeper
- fiber reinforcement
- fabric
- reinforcement composite
- fiber
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Classifications
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- 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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/523—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement in the die
- B29C70/524—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement in the die the transport direction being vertical
-
- 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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
- B29C70/526—Pultrusion dies, e.g. dies with moving or rotating parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/001—Profiled members, e.g. beams, sections
Abstract
The utility model relates to a kind of fiber reinforcement composite sleepers, including Foamex matrix and continuous reinforcing fiber, further include the fabric of several layers；The continuous reinforcing fiber is evenly arranged in the Foamex matrix along the first direction of the fiber reinforcement composite sleeper；The fabric is arranged in the inside and/or surface of institute's Foamex matrix.The utility model increases fabric inside composite sleeper, to improve composite sleeper along the shear strength of long axis direction, bending strength, bending elastic modulus, railway spike pulling test strength, so that the composite sleeper can be applied in the multiple fields more demanding to sleeper strength such as common railway, light railway, high-speed railway, heavy haul railway, landscape plank road, marine ship platform, municipal administration synthesis pipe gallery.
Description
Technical field
The utility model relates to field of polymer composite material, and in particular to a kind of fiber reinforcement composite sleeper.
Background technique
The sleeper that rail track uses at present is mainly prestressed reinforced concrete sleeper and sleeper.Well known prestress steel
Reinforced concrete sleeper is easy to guarantee manufactured size due to its abundant raw material, and quality is big, the service life is long, and can improve the stabilization of track
Property, therefore be widely used in railroad track.But prestressed reinforced concrete sleeper is since single weight is big, it is existing
It is difficult to install, while there is also the drawbacks such as poor flexibility, rigidity is big, are limited in specific region or position use.It is known
Sleeper due to it have many advantages, such as elasticity is good, it is easy to process, be convenient for changing, obtained extensively in Special zones such as bridge, track switches
It uses.But it makes sleeper and needs good hard wood, high-quality timber resources is limited, this is unfavorable for the sustainable of ecological environment
Property.Simultaneously in order to which the corrosion resistance of sleeper prolongs the service life, chemical preservative is used in sleeper manufacturing process, this also can
Hidden danger is brought to the health of environment and worker.
For defect possessed by current common prestressed reinforced concrete sleeper and sleeper and composite technology
It continues to develop.The composite material of long fiber reinforcement foamed resin material is a kind of substitution material well.Long glass fibres enhancing
Foamex has structure similar with natural timber, can be used as rail traffic facility, building decoration materials replace timber.But
Long fibre only provides the axial strength of material, and transverse strength is still lower, therefore, using long fiber reinforcement Foamex material
The composite sleeper of material is laid on the rail of the routes such as subway railway, light railway, common railway, high-speed railway, heavy haul railway, especially
When it is the rail more demanding to sleeper strength such as high-speed railway, heavy haul railway, after a period of time of being on active service inside composite sleeper
The micro-crack easy to form especially around screw spike, due to, without reinforcing material, causing along conjunction in vertically long machine direction
It is low at sleeper long axis direction shear strength.The crackle and may cause conjunction generally along the long fibre Directional Extension of composite sleeper
At the cracking along long fibre direction of sleeper, the safety of track is influenced.Number of patent application: 200610082833.2 Hes
In 200610171838.2 patent application publication specification, the manufacturing method of a kind of synthesis wooden sleeper and synthesis wooden sleeper is disclosed,
This sleeper be using by the foaming base material of long fiber reinforcement foamed resin material foaming as main body, in vertical long fibre side
Upwards without reinforcing material, cause low along composite sleeper long axis direction shear strength.Therefore it is being applied to common railway, light rail iron
When the field more demanding to sleeper strength such as road, high-speed railway, heavy haul railway, there are security risks.
Therefore it provides one kind meets the requirements with transverse direction intensity in the axial direction, not easy to crack, performance safety is reliable
Composite sleeper, be vital.
Summary of the invention
To overcome defect and deficiency existing in the prior art, the utility model discloses a kind of fiber reinforcements to synthesize rail
Pillow.
The utility model is achieved through the following technical solutions:
A kind of fiber reinforcement composite sleeper, including Foamex matrix and continuous reinforcing fiber, further include the fibre of several layers
Tie up fabric；The continuous reinforcing fiber is evenly arranged in the foaming tree along the first direction of the fiber reinforcement composite sleeper
In aliphatic radical body；The fabric is arranged in the inside and/or surface of institute's Foamex matrix.
Further, the fiber reinforcement composite sleeper is made of at least two sleeper blank, sleeper blank edge
The second direction of the fiber reinforcement composite sleeper is sequentially overlapped, and passes through adhesive layer phase between the sleeper blank of adjacent two
It connects.
Further, the sleeper blank includes the fabric of Foamex matrix, continuous reinforcing fiber and several layers；
The continuous reinforcing fiber is evenly arranged in institute's Foamex matrix along the first direction of the fiber reinforcement composite sleeper；
The fabric is arranged in the inside and/or surface of institute's Foamex matrix.
Further, the quantity of the sleeper blank is at least three, close to above and below the fiber reinforcement composite sleeper two
The density of the sleeper blank at end is greater than the density for the sleeper blank being located in the middle part of the fiber reinforcement composite sleeper.
Further, the fabric of several layers is evenly arranged in the inside of institute's Foamex matrix, adjacent two layers
The distance between the fabric is equal.
Further, the fabric is respectively arranged in the upper and lower ends of institute's Foamex matrix.
Further, the material of the material and the fabric of the continuous reinforcing fiber is selected from glass fibre, carbon fiber
Dimension, aramid fiber, any one or the combination of several of them in ultra high molecular weight polyethylene fiber.
Further, the fabric is woven cloth, non-woven fabrics, any one or a few the group in three dimensional fabric
It closes.
Further, the material of institute's Foamex matrix is pnenolic aldehyde foam material or polyurethane foam material.
Further, the material of the adhesive layer is epoxy adhesive, vinylite binder, polyurethane resin
Any one or the combination of several of them in binder.
The utility model compared with prior art, the advantage is that: the utility model increases fibre inside composite sleeper
Fabric is tieed up, to improve composite sleeper along the shear strength of long axis direction, bending strength, bending elastic modulus, railway spike pulling test strength,
So that the composite sleeper can be applied to common railway, light railway, high-speed railway, heavy haul railway, landscape plank road, ocean goer
In the multiple fields more demanding to sleeper strength such as oceangoing ship platform, municipal administration synthesis pipe gallery.Further, it is on active service after a period of time
Inside composite sleeper, the micro-crack easy to form especially around screw spike.The utility model by the setting of reinforcing fiber,
The crackle along long fibre Directional Extension can be effectively hindered, effective Crack prevention further expands, to improve synthesis rail
The durability of pillow.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model, the attached drawing of the utility model will be made simply below
It introduces, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1: the stereoscopic schematic diagram of the utility model；
Fig. 2: the section enlarged diagram of the utility model；
Fig. 3: the schematic diagram of the utility model embodiment 1；
Fig. 4: the schematic diagram of the utility model embodiment 2；
Fig. 5: the schematic diagram of the utility model embodiment 3；
Fig. 6: the schematic diagram of the utility model embodiment 4.
Further to clearly demonstrate the connection relationship between the structure of the utility model and each component, give following attached
Icon note, and be illustrated:
Foamex matrix -1, continuous reinforcing fiber -2, fabric -3, adhesive layer -4, first direction-X, second party
To-Y, sleeper blank -10, the first sleeper blank -10A, the second sleeper blank -10B, third sleeper blank -10C, the first bonding
Layer -4A, the second adhesive layer -4B, third adhesive layer -4C, polyurethane foam resin matrix 1A, phenolic foam resin matrix 1B.
Specific embodiment
In order to make the technological means of the utility model, achieve the goal with effect it can be readily appreciated that below with reference to being specifically illustrating pair
The embodiments of the present invention are described in detail.
It is to be appreciated that in the utility model it is all carry out directionality and positional instruction terms, such as: "upper", "lower",
"left", "right", "front", "rear", "vertical", "horizontal", "inner", "outside", "top", " low ", " transverse direction ", " longitudinal direction ", "center" etc.,
It is only used for explaining relative positional relationship, connection etc. between component each under a certain particular state, only for the purposes of description
The utility model, rather than require the utility model that must be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and
It should not be understood as its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
As shown in Figs. 1-2, the utility model provides a kind of fiber reinforcement composite sleeper, including 1 He of Foamex matrix
Continuous reinforcing fiber 2, further includes the fabric 3 of several layers.The material and the fabric 3 of the continuous reinforcing fiber 2
Any one or a few group of the material in glass fibre, carbon fiber, aramid fiber, ultra high molecular weight polyethylene fiber
It closes.The fabric 3 is woven cloth, non-woven fabrics, any one or the combination of several of them in three dimensional fabric.The Foamex
The material of matrix 1 is pnenolic aldehyde foam material or polyurethane foam material.The continuous reinforcing fiber 2 is synthesized along the fiber reinforcement
The first direction X of sleeper is evenly arranged in the Foamex matrix 1；The fabric 3 is arranged in institute's Foamex base
The inside and/or surface of body 1.Wherein, the first direction X refers to the long axis direction of the fiber reinforcement composite sleeper.It is existing
Composite sleeper in technology is provided only with the reinforcing fiber parallel with long axis direction, and therefore, when in use, composite sleeper is easy
It now cracks, and there is a problem of that shear strength is low.Compared with the prior art, the utility model embodiment is arranged in composite sleeper
The fabric 3, by the fabric 3 enhances the shear strength of composite sleeper.
In some embodiments of the utility model, the fiber reinforcement composite sleeper by least two sleeper blank
10 compositions, the sleeper blank 10 is sequentially overlapped along the second direction Y of the fiber reinforcement composite sleeper, described in adjacent two
It is connected with each other between sleeper blank 10 by adhesive layer 4.The second direction Y is perpendicular to the first direction X.The adhesive layer
4 material is epoxy adhesive, vinylite binder, any one or a few in polyurethane resin binder
Combination.The sleeper blank 10 equally include Foamex matrix 1, be uniformly distributed in it is continuous in the Foamex matrix 1
Reinforcing fiber 2 and several layers are distributed in fabric 3 in the Foamex matrix 1.The utility model embodiment is to several
A sleeper blank 10 is manufactured respectively, then several the sleeper blank 10 is bonded in one by adhesive layer 4
It rises, obtains the whole fiber reinforcement composite sleeper.Integrally formed composite sleeper is due to volume and thickness in the prior art
It is larger, therefore the uneven problem of the not uniform heat dissipation of dipping is easy to appear in dipping and cure process, lead to composite sleeper
Performance decline.It is able to solve above-mentioned deficiency by the utility model embodiment, acquisition mechanical performance is higher, property is more uniform
Composite sleeper.Wherein, the quantity of the sleeper blank 10 is preferably 2-6.
In some embodiments of the utility model, the density range of the sleeper blank 10 is 400kg/m3~
1200kg/m3.The density of several the sleeper blank 10 can be identical, can also be respectively different.Preferably, the sleeper
The quantity of blank 10 is at least three, also, close to the sleeper blank 10 of the fiber reinforcement composite sleeper upper and lower ends
Density be greater than be located at the fiber reinforcement composite sleeper in the middle part of the sleeper blank 10 density.Said structure design helps
In on the basis of guaranteeing the fiber reinforcement composite sleeper intensity, the self weight of the fiber reinforcement composite sleeper is reduced, is reduced
Difficulty of construction.
In some embodiments of the utility model, the fabric 3 of several layers can be evenly arranged in described
The inside of Foamex matrix 1, and the distance between fabric 3 described in adjacent two layers is equal.The fabric 3 can also
To be respectively arranged in the upper and lower ends of institute's Foamex matrix 1, or it is respectively arranged in the sleeper blank 10 or the fiber
Enhance the upper and lower surface of composite sleeper, or coats the external table of the entire sleeper blank 10 or the fiber reinforcement composite sleeper
Face.
Embodiment 1
As shown in figure 3, the fiber reinforcement composite sleeper of the present embodiment includes along the first of the second direction Y mounted on top
Pass through first between sleeper blank 10A and the second sleeper blank 10B, the first sleeper blank 10A and the second sleeper blank 10B
Adhesive layer 4A is connected with each other.The first sleeper blank 10A and the second sleeper blank 10B includes polyurethane foam resin matrix
1A and continuous reinforcing fiber 2.Wherein, the continuous reinforcing fiber 2 along the fiber reinforcement composite sleeper first direction X,
It is even to be arranged in the Foamex matrix 1.The first sleeper blank 10A further includes one layer of fabric 3.The fibre
Dimension fabric 3 is set to the inside of the Foamex matrix 1.The continuous reinforcing fiber 2 is that alkali-free glass fibre is non-twist thick
Yarn；The fabric 3 is alkali-free glass fibre rove woven roving.
Embodiment 2
As shown in figure 4, the fiber reinforcement composite sleeper of the present embodiment includes along the first of the second direction Y mounted on top
Pass through first between sleeper blank 10A and the second sleeper blank 10B, the first sleeper blank 10A and the second sleeper blank 10B
Adhesive layer 4A is connected with each other.The first sleeper blank 10A and the second sleeper blank 10B includes phenolic foam resin matrix
1B, continuous reinforcing fiber 2 and fabric 3.First direction of the continuous reinforcing fiber 2 along the fiber reinforcement composite sleeper
X is evenly arranged in the Foamex matrix 1.The fabric 3 is set to the surface of the Foamex matrix 1, and
And the fabric 3 is respectively arranged under the upper surface and the second sleeper blank 10B of the first sleeper blank 10A
Surface.
Embodiment 3
As shown in figure 5, the fiber reinforcement composite sleeper of the present embodiment includes along the first of the second direction Y mounted on top
Pass through first between sleeper blank 10A and the second sleeper blank 10B, the first sleeper blank 10A and the second sleeper blank 10B
Adhesive layer 4A is connected with each other.The first sleeper blank 10A and the second sleeper blank 10B includes Foamex matrix 1, continuous
Reinforcing fiber 2 and fabric 3.The continuous reinforcing fiber 2 along the fiber reinforcement composite sleeper first direction X, uniformly
It is arranged in the Foamex matrix 1.The fabric 3 is set to the surface of the Foamex matrix 1, and described
Fabric 3 is respectively arranged the upper following table of upper and lower surface and the second sleeper blank 10B in the first sleeper blank 10A
Face.
Embodiment 4
As shown in fig. 6, the fiber reinforcement composite sleeper of the present embodiment includes along the first of the second direction Y mounted on top
Sleeper blank 10A and the second sleeper blank 10B.Third is equipped between the first sleeper blank 10A and the second sleeper blank 10B
Sleeper blank 10C.The density of the first sleeper blank 10A and the second sleeper blank 10B are identical.The third sleeper blank
The density of 10C is less than the density of the first sleeper blank 10A and the second sleeper blank 10B.The first sleeper blank 10A and
It is connected with each other between third sleeper blank 10C by the second adhesive layer 4B.The second sleeper blank 10B and third sleeper blank
It is connected with each other between 10C by third adhesive layer 4C.The first sleeper blank 10A, the second sleeper blank 10B and third sleeper
Blank 10C includes Foamex matrix 1 and continuous reinforcing fiber 2.Wherein, the continuous reinforcing fiber 2 increases along the fiber
The first direction X of strong composite sleeper, is evenly arranged in the Foamex matrix 1.The first sleeper blank 10A and second
Sleeper blank 10B further includes one layer of fabric 3.The fabric 3 is set to the interior of the Foamex matrix 1
Portion.
Obviously, above-described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art without creative efforts to these embodiments into
Capable various change, modification, replacement and improvement, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of fiber reinforcement composite sleeper, including Foamex matrix (1) and continuous reinforcing fiber (2), it is characterised in that: also
Fabric (3) including several layers；First direction of the continuous reinforcing fiber (2) along the fiber reinforcement composite sleeper
(X), it is evenly arranged in the Foamex matrix (1)；The fabric (3) is arranged in institute's Foamex matrix (1)
Internal and/or surface.
2. fiber reinforcement composite sleeper according to claim 1, it is characterised in that: the fiber reinforcement composite sleeper is by extremely
Few two sleeper blanks (10) composition, second direction (Y) of the sleeper blank (10) along the fiber reinforcement composite sleeper
It is sequentially overlapped, is connected with each other between the sleeper blank (10) of adjacent two by adhesive layer (4).
3. fiber reinforcement composite sleeper according to claim 2, it is characterised in that: the sleeper blank (10) includes foaming
The fabric (3) of resin matrix (1), continuous reinforcing fiber (2) and several layers.
4. fiber reinforcement composite sleeper according to claim 3, it is characterised in that: the quantity of the sleeper blank (10) is
At least three, the density close to the sleeper blank (10) of the fiber reinforcement composite sleeper upper and lower ends is greater than positioned at described
The density of the sleeper blank (10) in the middle part of fiber reinforcement composite sleeper.
5. fiber reinforcement composite sleeper described in any one of -4 according to claim 1, it is characterised in that: several layers it is described
Fabric (3) is evenly arranged in the inside of institute's Foamex matrix (1), between fabric (3) described in adjacent two layers away from
From equal.
6. fiber reinforcement composite sleeper described in any one of -4 according to claim 1, it is characterised in that: the fabric
(3) it is respectively arranged in the upper and lower ends of institute's Foamex matrix (1).
7. fiber reinforcement composite sleeper described in any one of -4 according to claim 1, it is characterised in that: the continuous enhancing
It is poly- that the material of fiber (2) and the material of the fabric (3) are selected from glass fibre, carbon fiber, aramid fiber, super high molecular weight
Any one or the combination of several of them in vinyl fiber.
8. fiber reinforcement composite sleeper described in any one of -4 according to claim 1, it is characterised in that: the fabric
It (3) is woven cloth, any one or the combination of several of them in non-woven fabrics, three dimensional fabric.
9. fiber reinforcement composite sleeper described in any one of -4 according to claim 1, it is characterised in that: institute's Foamex base
The material of body (1) is pnenolic aldehyde foam material or polyurethane foam material.
10. the fiber reinforcement composite sleeper according to any one of claim 2-4, it is characterised in that: the adhesive layer
(4) material is epoxy adhesive, vinylite binder, any one or a few in polyurethane resin binder
Combination.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017211792465 | 2017-09-14 | ||
| CN201721178691X | 2017-09-14 | ||
| CN2017108287215 | 2017-09-14 | ||
| CN201721179246 | 2017-09-14 | ||
| CN201721178691 | 2017-09-14 | ||
| CN201710828721 | 2017-09-14 |
Publications (1)
| Publication Number | Publication Date |
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| CN209508726U true CN209508726U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811070914.XA Active CN109501322B (en) | 2017-09-14 | 2018-09-14 | Fiber-reinforced synthetic sleeper and preparation method thereof |
| CN201821504040.XU Active CN209508726U (en) | 2017-09-14 | 2018-09-14 | A kind of fiber reinforcement composite sleeper |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811070914.XA Active CN109501322B (en) | 2017-09-14 | 2018-09-14 | Fiber-reinforced synthetic sleeper and preparation method thereof |
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| CN110591282A (en) * | 2019-04-01 | 2019-12-20 | 洛阳双瑞橡塑科技有限公司 | Fireproof grating and preparation method thereof |
| CN110154421B (en) * | 2019-05-22 | 2023-12-22 | 湖州守真新材料科技有限公司 | Continuous production line and production method of glue injection box and fiber reinforced foam composite material |
| CN110126302B (en) * | 2019-05-22 | 2023-10-20 | 湖州守真新材料科技有限公司 | Foaming device, continuous production line and production method of fiber reinforced foam composite material |
| CN110939470A (en) * | 2019-12-05 | 2020-03-31 | 青岛海力威新材料科技股份有限公司 | Sealing water stop for tunnel |
| CN113462145A (en) * | 2021-07-12 | 2021-10-01 | 洛阳双瑞橡塑科技有限公司 | Fiber-reinforced polyurethane wood-like material and forming method thereof |
| CN116039128A (en) * | 2023-01-04 | 2023-05-02 | 株洲时代新材料科技股份有限公司 | Yarn dipping device and method for polyurethane foaming sleeper production |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4681722A (en) * | 1985-10-07 | 1987-07-21 | Owens-Corning Fiberglas Corporation | Method of making a lineal structural member |
| US5783013A (en) * | 1995-06-07 | 1998-07-21 | Owens-Corning Fiberglas Technology Inc. | Method for performing resin injected pultrusion employing multiple resins |
| CN104742274B (en) * | 2013-12-26 | 2019-04-30 | 科思创德国股份有限公司 | Multi-pipeline pumps drive type textile dipping systems |
| CN105619843B (en) * | 2014-10-30 | 2018-02-09 | 株洲时代新材料科技股份有限公司 | A kind of preparation method of composite material sleeper |
| CN204367435U (en) * | 2014-11-13 | 2015-06-03 | 常州百思通复合材料有限公司 | There is the fibre reinforced composites pultrusion apparatus of protective device |
| CN205000906U (en) * | 2015-09-28 | 2016-01-27 | 江苏众成复合材料有限责任公司 | Fibre reinforced composite continuous sucker rod's preparation facilities |
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2018
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| CN109501322B (en) | 2020-12-01 |
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| GR01 | Patent grant |