CN116293099A - Multilayer steel wire winding modified polyethylene wear-resistant composite pipe - Google Patents
Multilayer steel wire winding modified polyethylene wear-resistant composite pipe Download PDFInfo
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- CN116293099A CN116293099A CN202310371462.3A CN202310371462A CN116293099A CN 116293099 A CN116293099 A CN 116293099A CN 202310371462 A CN202310371462 A CN 202310371462A CN 116293099 A CN116293099 A CN 116293099A
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- resistant
- bearing
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- 239000002131 composite material Substances 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- -1 polyethylene Polymers 0.000 title claims abstract description 31
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 28
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 28
- 238000004804 winding Methods 0.000 title claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 63
- 239000010410 layer Substances 0.000 claims description 123
- 239000012790 adhesive layer Substances 0.000 claims description 19
- 239000011150 reinforced concrete Substances 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 239000012792 core layer Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Images
Classifications
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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
- F16L9/12—Rigid pipes of plastics with or without reinforcement
-
- 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
- F16L57/06—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
- F16L9/00—Rigid pipes
- F16L9/006—Rigid pipes specially profiled
-
- 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
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a multilayer steel wire winding modified polyethylene wear-resistant composite pipe, and relates to the technical field of pipelines. The multilayer steel wire winding modified polyethylene wear-resistant composite pipe sequentially comprises a wear-resistant layer, a pressure-bearing reinforcing layer and a fixing layer from inside to outside, wherein the pressure-bearing reinforcing layer is fixedly sleeved on the outer side wall of the wear-resistant layer, the number of the pressure-bearing reinforcing layers is multiple and is mutually sleeved, and the fixing layer is fixedly sleeved on the outer side wall of the pressure-bearing reinforcing layer; the inner side wall of the wear-resistant layer is provided with a plurality of reinforcing ribs. The invention can solve the defects in the prior art, and provides a solution scheme that the pressure-bearing reinforcing layer can be formed by winding the steel wire mesh to strengthen the structural strength of the composite pipe, so that the pressure resistance of the composite pipe is enhanced, the service life of the composite pipe is prolonged, and the composite pipe has the advantages of long service life, high pressure-bearing capacity, high tensile strength and the like.
Description
Technical Field
The invention relates to the technical field of pipelines, in particular to a multilayer steel wire winding modified polyethylene wear-resistant composite pipe.
Background
The composite pipe is a pipe commonly used in the fields of urban water diversion, municipal water supply pipe network, urban rain and sewage pipe network, farmland irrigation, water conservancy and hydropower, petrochemical industry and the like, and is used for reinforcing the strength of the composite pipe by arranging an enhancement layer. However, the traditional reinforcing layer has low structural strength and low bearing capacity, and is easy to damage under the conditions of pipeline bending and the like, so that the pressure resistance of the pipeline is affected.
Disclosure of Invention
The invention aims to provide a multilayer steel wire winding modified polyethylene wear-resistant composite pipe, which can solve the defects of the prior art, and provides a solution, wherein a pressure-bearing reinforcing layer can be formed by winding a steel wire mesh to strengthen the structural strength of the composite pipe, so that the pressure resistance of the composite pipe is enhanced, the service life of the composite pipe is prolonged, and the composite pipe has the advantages of long service life, high pressure-bearing capacity, high tensile strength and the like.
The invention adopts the technical scheme that:
the embodiment of the application provides a multilayer steel wire winding modified polyethylene wear-resistant composite pipe, which sequentially comprises a wear-resistant layer, a pressure-bearing reinforcing layer and a fixing layer from inside to outside, wherein the pressure-bearing reinforcing layer is fixedly sleeved on the outer side wall of the wear-resistant layer, the number of the pressure-bearing reinforcing layers is multiple and mutually sleeved, and the fixing layer is fixedly sleeved on the outer side wall of the pressure-bearing reinforcing layer; the inner side wall of the wear-resistant layer is provided with a plurality of reinforcing ribs.
Further, in some embodiments of the present invention, the pressure-bearing reinforcing layer is made of steel wire mesh.
Further, in some embodiments of the present invention, an adhesive layer is disposed between any two adjacent pressure-bearing reinforcing layers, and the two adjacent pressure-bearing reinforcing layers are adhered by the adhesive layer.
Further, in some embodiments of the present invention, an adhesive layer is disposed between the wear-resistant layer and the pressure-bearing reinforcing layer, and the wear-resistant layer and the pressure-bearing reinforcing layer are adhered by the adhesive layer.
Further, in some embodiments of the present invention, an adhesive layer is disposed between the fixing layer and the pressure-bearing reinforcing layer, and the fixing layer and the pressure-bearing reinforcing layer are adhered by the adhesive layer.
Further, in some embodiments of the present invention, the reinforcing ribs are uniformly spaced along the circumference of the wear-resistant layer, and the extending direction of the reinforcing ribs is consistent with the extending direction of the wear-resistant layer.
Further, in some embodiments of the present invention, a pressure-bearing support ring is disposed in the wear-resistant layer, and the pressure-bearing support ring is coaxial with the wear-resistant layer.
Further, in some embodiments of the present invention, the number of the bearing support rings is plural and uniformly spaced along the extending direction of the wear-resistant layer.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
the embodiment of the invention provides a multilayer steel wire winding modified polyethylene wear-resistant composite pipe, which sequentially comprises a wear-resistant layer, a pressure-bearing reinforcing layer and a fixing layer from inside to outside, wherein the pressure-bearing reinforcing layer is fixedly sleeved on the outer side wall of the wear-resistant layer, the number of the pressure-bearing reinforcing layers is multiple and mutually sleeved, and the fixing layer is fixedly sleeved on the outer side wall of the pressure-bearing reinforcing layer; the inner side wall of the wear-resistant layer is provided with a plurality of reinforcing ribs.
The modified polyethylene core layer is used as a wear-resistant layer, the sandwich layer which is formed by continuously winding the coated high-strength steel wire and is distributed in multiple layers is used as a pressure-bearing reinforcing layer, a special bonding factor and the modified polyethylene are compounded into an integrated pipe by an internal shaping extrusion molding method, the structural strength of the composite pipe can be enhanced by the multiple pressure-bearing reinforcing layers, the pressure resistance of the composite pipe is further enhanced, the service life of the composite pipe is prolonged, and the composite pipe has the advantages of long service life, high pressure-bearing capacity, high tensile strength and the like.
Through being equipped with a plurality of strengthening ribs at wear-resisting in situ side wall, can improve the structural strength and the withstand pressure of compound pipe through the strengthening rib.
Through setting up the pressure-bearing support ring, so can improve compressive capacity and the structural strength of wearing layer through the pressure-bearing support ring, further improve the structural strength of compound pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a multilayer steel wire wound modified polyethylene wear-resistant composite pipe provided by an embodiment of the invention;
fig. 2 is a cross-sectional view of a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe provided by an embodiment of the invention.
Icon: 1-a wear-resistant layer; 2-a pressure-bearing reinforcing layer; 3-a fixed layer; 4-an adhesive layer; 5-reinforcing ribs; 6-bearing support ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present invention is conventionally put when used, it is merely for convenience of describing the present invention and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of a multi-layer steel wire winding modified polyethylene wear-resistant composite pipe according to an embodiment of the present invention; fig. 2 is a cross-sectional view of a multi-layer steel wire wound modified polyethylene wear-resistant composite pipe provided by an embodiment of the invention.
The embodiment provides a multilayer steel wire winding modified polyethylene wear-resistant composite pipe, which sequentially comprises a wear-resistant layer 1, a pressure-bearing reinforcing layer 2 and a fixing layer 3 from inside to outside, wherein the pressure-bearing reinforcing layer 2 is fixedly sleeved on the outer side wall of the wear-resistant layer 1, the number of the pressure-bearing reinforcing layers 2 is multiple and mutually sleeved, and the fixing layer 3 is fixedly sleeved on the outer side wall of the pressure-bearing reinforcing layer 2; the inner side wall of the wear-resistant layer 1 is provided with a plurality of reinforcing ribs 5. The reinforcing ribs 5 are uniformly arranged at intervals along the circumferential direction of the wear-resistant layer 1, and the extending direction of the reinforcing ribs 5 is consistent with the extending direction of the wear-resistant layer 1. The bearing reinforcing layer 2 is made of steel wire mesh.
An adhesive layer 4 is arranged between any two adjacent pressure-bearing reinforcing layers 2, and the two adjacent pressure-bearing reinforcing layers 2 are adhered through the adhesive layer 4.
An adhesive layer 4 is arranged between the wear-resistant layer 1 and the pressure-bearing reinforcing layer 2, and the wear-resistant layer 1 and the pressure-bearing reinforcing layer 2 are adhered by the adhesive layer 4. An adhesive layer 4 is provided between the fixing layer 3 and the pressure-bearing reinforcing layer 2, and the fixing layer 3 and the pressure-bearing reinforcing layer 2 are adhered by the adhesive layer 4.
The wear-resistant layer 1 of the embodiment can be made of modified polyethylene, so that the wear resistance of the composite pipe can be enhanced; two pressure-bearing reinforcing layers 2 of the present embodiment may be used. The pressure-bearing reinforcing layer 2 is made of steel wire mesh, wherein the pressure-bearing reinforcing layer 2 is formed by continuously winding and forming coated high-strength steel wires; the bonding layer 4 can adopt a special bonding factor for a pipeline, wherein the special bonding factor can adopt a special polymer material which takes polyethylene as a matrix, is modified by grafting maleic anhydride and simultaneously has polar groups (maleic anhydride groups) and nonpolar groups (vinyl groups). The fixing layer 3 may be made of modified polyethylene. Through being equipped with a plurality of strengthening ribs 5 at wearing layer 1 inside wall, can improve the structural strength and the withstand pressure of compound pipe through strengthening rib 5. The reinforcing bars 5 may be made of steel wire.
The modified polyethylene core layer is used as the wear-resistant layer 1, the sandwich layer which is formed by continuously winding the coated high-strength steel wire and is distributed in multiple layers is used as the pressure-bearing reinforcing layer 2, the special bonding factor and the modified polyethylene are compounded into an integrated pipe by an internal shaping extrusion molding method, the structural strength of the composite pipe can be enhanced by the plurality of pressure-bearing reinforcing layers 2, the pressure resistance of the composite pipe is further enhanced, the service life of the composite pipe is prolonged, and the composite pipe has the advantages of long service life, high pressure-bearing capacity, high tensile strength and the like.
As shown in fig. 1-2, in some embodiments of the present invention, a pressure-bearing support ring 6 is provided in the wear-resistant layer 1, and the pressure-bearing support ring 6 is coaxial with the wear-resistant layer 1. The number of the bearing support rings 6 is plural and evenly spaced along the extending direction of the wear-resistant layer 1.
According to the invention, the pressure-bearing support ring 6 is arranged, so that the pressure-bearing capacity and the structural strength of the wear-resisting layer 1 can be improved through the pressure-bearing support ring 6, and the structural strength of the composite pipe is further improved. The pressure-bearing support ring 6 may be a bead ring.
In summary, the embodiment of the invention provides a multilayer steel wire winding modified polyethylene wear-resistant composite pipe:
the modified polyethylene core layer is used as the wear-resistant layer 1, the sandwich layer which is formed by continuously winding the coated high-strength steel wire and is distributed in multiple layers is used as the pressure-bearing reinforcing layer 2, the special bonding factor and the modified polyethylene are compounded into an integrated pipe by an internal shaping extrusion molding method, the structural strength of the composite pipe can be enhanced by the plurality of pressure-bearing reinforcing layers 2, the pressure resistance of the composite pipe is further enhanced, the service life of the composite pipe is prolonged, and the composite pipe has the advantages of long service life, high pressure-bearing capacity, high tensile strength and the like.
Through being equipped with a plurality of strengthening ribs 5 at wearing layer 1 inside wall, can improve the structural strength and the withstand pressure of compound pipe through strengthening rib 5.
Through setting up pressure-bearing support ring 6, so can improve compressive capacity and structural strength of wearing layer 1 through pressure-bearing support ring 6, further improve the structural strength of compound pipe.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiment, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a multilayer steel wire winding modified polyethylene wear-resisting composite tube which characterized in that: the wear-resistant reinforced concrete composite material comprises a wear-resistant layer, a pressure-bearing reinforced layer and a fixed layer from inside to outside, wherein the pressure-bearing reinforced layer is fixedly sleeved on the outer side wall of the wear-resistant layer, the number of the pressure-bearing reinforced layers is multiple and mutually sleeved, and the fixed layer is fixedly sleeved on the outer side wall of the pressure-bearing reinforced layer; and a plurality of reinforcing ribs are arranged on the inner side wall of the wear-resistant layer.
2. The multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, wherein: the pressure-bearing reinforcing layer is made of steel wire mesh.
3. The multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, wherein: an adhesive layer is arranged between any two adjacent pressure-bearing reinforcing layers, and the two adjacent pressure-bearing reinforcing layers are adhered through the adhesive layer.
4. The multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, wherein: an adhesive layer is arranged between the wear-resisting layer and the pressure-bearing reinforcing layer, and the wear-resisting layer is adhered to the pressure-bearing reinforcing layer through the adhesive layer.
5. The multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, wherein: an adhesive layer is arranged between the fixed layer and the pressure-bearing reinforcing layer, and the fixed layer is adhered to the pressure-bearing reinforcing layer through the adhesive layer.
6. The multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, wherein: the reinforcing ribs are uniformly arranged at intervals along the circumferential direction of the wear-resistant layer, and the extending direction of the reinforcing ribs is consistent with that of the wear-resistant layer.
7. The multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, wherein: and a pressure bearing support ring is arranged in the wear-resistant layer, and the pressure bearing support ring is coaxial with the wear-resistant layer.
8. The multi-layer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 7, wherein: the number of the pressure-bearing supporting rings is multiple, and the pressure-bearing supporting rings are uniformly arranged at intervals along the extending direction of the wear-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310371462.3A CN116293099A (en) | 2023-04-08 | 2023-04-08 | Multilayer steel wire winding modified polyethylene wear-resistant composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310371462.3A CN116293099A (en) | 2023-04-08 | 2023-04-08 | Multilayer steel wire winding modified polyethylene wear-resistant composite pipe |
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| Publication Number | Publication Date |
|---|---|
| CN116293099A true CN116293099A (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310371462.3A Pending CN116293099A (en) | 2023-04-08 | 2023-04-08 | Multilayer steel wire winding modified polyethylene wear-resistant composite pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118110847A (en) * | 2024-04-12 | 2024-05-31 | 广东东方管业股份有限公司 | Multilayer steel wire winding modified polyethylene wear-resistant composite pipe |
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2023
- 2023-04-08 CN CN202310371462.3A patent/CN116293099A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118110847A (en) * | 2024-04-12 | 2024-05-31 | 广东东方管业股份有限公司 | Multilayer steel wire winding modified polyethylene wear-resistant composite pipe |
| CN118110847B (en) * | 2024-04-12 | 2024-08-23 | 广东东方管业股份有限公司 | Multilayer steel wire winding modified polyethylene wear-resistant composite pipe |
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