CN116379230B - Steel wire braiding reinforced hydraulic rubber hose - Google Patents
Steel wire braiding reinforced hydraulic rubber hose Download PDFInfo
- Publication number
- CN116379230B CN116379230B CN202310608294.5A CN202310608294A CN116379230B CN 116379230 B CN116379230 B CN 116379230B CN 202310608294 A CN202310608294 A CN 202310608294A CN 116379230 B CN116379230 B CN 116379230B
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- China
- Prior art keywords
- steel wire
- reinforcing groove
- adhesive layer
- section
- clamping part
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 82
- 239000010959 steel Substances 0.000 title claims abstract description 82
- 238000009954 braiding Methods 0.000 title claims abstract description 8
- 239000012790 adhesive layer Substances 0.000 claims abstract description 64
- 230000002787 reinforcement Effects 0.000 claims abstract description 62
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 62
- 239000010410 layer Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
- F16L11/085—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more braided layers
-
- 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)
Abstract
The application discloses a steel wire braiding reinforced hydraulic rubber hose, which relates to the technical field of pipes and comprises an inner adhesive layer and an outer adhesive layer, wherein the inner adhesive layer is sleeved with the inner adhesive layer, a plurality of inner connecting strips protruding outwards along the radial direction of the inner adhesive layer are annularly distributed on the outer side of the inner adhesive layer, inner connecting grooves are formed between adjacent inner connecting strips, outer connecting strips inserted into the inner connecting grooves are annularly distributed on the inner side of the outer adhesive layer, and outer connecting grooves for inserting the inner connecting strips are formed between adjacent outer connecting strips. According to the application, the adjacent first steel wire reinforcement and second steel wire reinforcement can be mutually hooked to form an interlocking structure, so that the connection strength between the inner adhesive layer and the outer adhesive layer is improved, and the compressive property of the hose can be improved through the annular reinforcing layer formed by the plurality of second steel wire reinforcement and the plurality of first steel wire reinforcement when the liquid pressure in the hose acts on the inner adhesive layer.
Description
Technical Field
The application relates to the technical field of pipes, in particular to a steel wire braiding reinforced hydraulic rubber hose.
Background
The hydraulic hose mainly comprises an inner glue layer resistant to liquid, a steel wire layer and an outer glue layer, wherein the inner glue layer has the effect of enabling a conveying medium to bear pressure and protecting steel wires from corrosion, the outer glue layer protects the steel wires from damage, and the steel wire layer is made of framework materials and plays a role in reinforcing.
The traditional hydraulic rubber hose has the problems of large weight, thick wall, poor softness, difficult bending, large bending radius and the like, and is not suitable for being used in a narrow space. To accommodate the need for compact mechanical hydraulic systems, the prior art generally increases the flexibility and bendability of hydraulic rubber hoses by reducing the wire cross-section and reducing the wall thickness to fit within the small space, but this approach results in a corresponding decrease in the internal pressure resistance of the hose. Therefore, a steel wire braided reinforced hydraulic rubber hose is designed to improve the softness and the flexibility of the hydraulic rubber hose on the premise of not reducing the internal pressure resistance of the hydraulic rubber hose, so that the hydraulic rubber hose is suitable for being used in a narrow space.
Disclosure of Invention
The application aims to provide a steel wire braiding reinforced hydraulic rubber hose so as to solve the problems in the background technology.
In order to achieve the aim of the application, the application adopts the following technical scheme:
the application provides a steel wire braiding reinforced hydraulic rubber hose, which comprises an inner rubber layer and an outer rubber layer, wherein the inner rubber layer and the outer rubber layer are sleeved with each other, a plurality of inner connecting strips protruding outwards along the radial direction of the inner rubber layer are annularly distributed on the outer side of the inner rubber layer, inner connecting grooves are formed between adjacent inner connecting strips, outer connecting strips inserted into the inner connecting grooves are annularly distributed on the inner side of the outer rubber layer, and outer connecting grooves for inserting the inner connecting strips are formed between adjacent outer connecting strips; the inner connecting strip comprises an inner clamping part and an inner connecting part which is connected to the middle part of the inner clamping part and has a width smaller than that of the inner clamping part; the outer connecting strip comprises an outer clamping part and an outer connecting part which is connected to the middle part of the outer clamping part and has a width smaller than that of the outer clamping part; the inner clamping part and the outer clamping part are respectively provided with a first reinforcing groove and a second reinforcing groove along the axial direction of the inner clamping part and the outer clamping part, and the inner parts of the first reinforcing groove and the second reinforcing groove are respectively provided with a first steel wire reinforcement and a second steel wire reinforcement which are matched with the first reinforcing groove and the second reinforcing groove; the inner clamping part is positioned between two adjacent outer connecting parts, the outer clamping part is positioned between two adjacent inner connecting parts, and the two ends of the radial section of the first steel wire reinforcement and the two ends of the radial section of the second steel wire reinforcement are overlapped.
Further, the radial cross sections of the inner clamping portion and the outer clamping portion are arc-shaped, the cambered surface of the inner clamping portion faces one side of the outer adhesive layer, the cambered surface of the outer clamping portion faces one side of the inner adhesive layer, the radial cross section of the first reinforcing groove is consistent with the radial cross section of the inner clamping portion, and the radial cross section of the second reinforcing groove is consistent with the radial cross section of the outer clamping portion.
Further, the first steel wire reinforcement is formed by the first steel wire extending in a wavy manner in the axial direction of the first reinforcing groove, and the second steel wire reinforcement is formed by the second steel wire extending in a wavy manner in the axial direction of the second reinforcing groove.
Further, in the radial section of the first reinforcing groove, gaps are formed between the two ends of the first steel wire reinforcement and the two ends of the first reinforcing groove; in the radial section of the second reinforcing groove, two ends of the second steel wire reinforcement are provided with gaps with two ends of the second reinforcing groove.
Further, the wave crests and wave troughs of the adjacent first steel wire and second steel wire correspond to each other.
Further, the radial cross sections of the first steel wire and the second steel wire are rectangular, and in the radial cross section of the first reinforcing groove, the side edges of the width of the first steel wire cross section are abutted against the two side edges of the first reinforcing groove, and in the radial cross section of the second reinforcing groove, the side edges of the width of the second steel wire cross section are abutted against the two side edges of the second reinforcing groove.
Compared with the prior art, the above technical scheme has the following beneficial effects:
1. the inner joint strips are matched in the outer joint grooves of the outer adhesive layer, and the outer joint strips are matched in the inner joint grooves of the inner adhesive layer, so that the joint area of the inner adhesive layer and the outer adhesive layer is increased, the stability of the joint is further improved, and the inner adhesive layer and the outer adhesive layer can be locked in the circumferential direction by embedding, so that the inner adhesive layer and the outer adhesive layer are prevented from rotating relatively.
2. According to the application, after the inner adhesive layer and the outer adhesive layer are sleeved, the inner clamping part and the inner adhesive layer and the outer clamping part and the outer adhesive layer are interlocked in a similar structure, and the interlocking mode can prevent the inner adhesive layer and the outer adhesive layer from being peeled off from each other under the influence of external environment (such as bending, compression deformation and the like).
3. According to the application, the first steel wire reinforcement and the second steel wire reinforcement are arranged to improve the deformation resistance of the outer clamping part and the inner clamping part, so that the situation that the inner adhesive layer and the outer adhesive layer are peeled off from each other when a hose is subjected to a large external force is avoided, the ageing resistance of the outer clamping part and the inner clamping part is improved, and the situation that the inner adhesive layer and the outer adhesive layer are peeled off from each other due to the ageing of the inner clamping part and the outer clamping part is avoided.
4. According to the application, the adjacent first steel wire reinforcement and second steel wire reinforcement can be mutually hooked to form an interlocking structure, so that the connection strength between the inner adhesive layer and the outer adhesive layer is improved, and the compressive property of the hose can be improved through the annular reinforcing layer formed by the plurality of second steel wire reinforcement and the plurality of first steel wire reinforcement when the liquid pressure in the hose acts on the inner adhesive layer.
5. The first steel wire reinforcement and the second steel wire reinforcement can form a double arch structure in the radial direction of the hose, so that the structural strength of the annular reinforcing layer is improved, and the compression resistance of the hose is further improved.
6. From the practical production point of view, the application not only reduces the material consumption of the reinforcement and the production cost, but also has simple manufacture and high practicability; in terms of the technical effect produced, the cross section of the reinforcing member of the hose in the radial cross section is reduced, the flexibility of the hose is enhanced, and the compression resistance of the hose is also considered.
7. The gap reserved in the bending process of the hose can be used for the wavy first steel wire and the wavy second steel wire to deform so as to further enhance the softness of the hose.
8. The application can increase the thickness of the first steel wire reinforcement and the second steel wire reinforcement in the radial direction on the premise of not increasing the dosage, thereby improving the structural strength of the annular reinforcing layer and further improving the compression resistance of the hose.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is a schematic end view of the present application;
FIG. 3 is a schematic view of the inner and outer glue layer portions of the present application in a split configuration;
FIG. 4 is a schematic view of the inner adhesive layer structure of the present application;
FIG. 5 is a schematic end view of the structure of FIG. 4;
FIG. 6 is a schematic view of the outer adhesive layer structure of the present application;
FIG. 7 is a schematic end view of FIG. 6;
FIG. 8 is a schematic view of the first and second wire reinforcement structures of the present application;
fig. 9 is a schematic view of a partial structure at a of fig. 8.
In the figure:
100. an inner adhesive layer; 110. an inner connecting strip; 111. an inner clamping part; 111a, a first reinforcing groove; 112. an inner connecting part; 120. an inner engagement groove; 200. an outer adhesive layer; 210. an outer engagement strip; 211. an outer clamping part; 211a, a second reinforcing groove; 212. an outer connection portion; 220. an outer engagement groove; 300. a first wire reinforcement; 400. and a second wire reinforcement.
Description of the embodiments
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
Referring to fig. 1-9, the present application provides a steel wire braiding reinforced hydraulic rubber hose, which comprises an inner rubber layer 100 and an outer rubber layer 200, wherein the inner rubber layer 100 is sleeved with a joint, a plurality of inner joint strips 110 protruding outwards along the radial direction of the inner rubber layer 100 are annularly distributed on the outer side of the inner rubber layer 100, inner joint grooves 120 are formed between adjacent inner joint strips 110, outer joint strips 210 inserted into the inner joint grooves 120 are annularly distributed on the inner side of the outer rubber layer 200, and outer joint grooves 220 for inserting the inner joint strips 110 are formed between adjacent outer joint strips 210. Wherein, the inner joint strips 110 and the inner adhesive layer 100 are integrally formed, and the outer joint strips 210 and the outer adhesive layer 200 are integrally formed by one-shot injection molding in the prior art. Based on the above design, the plurality of inner joint strips 110 are adapted in the outer joint grooves 220 of the outer adhesive layer 200, and the plurality of outer joint strips 210 are adapted in the inner joint grooves 120 of the inner adhesive layer 100, so that not only the joint area of the inner adhesive layer 100 and the outer adhesive layer 200 is increased, but also the stability of the joint is improved, and the joint is embedded so that the inner adhesive layer 100 and the outer adhesive layer 200 are locked in the circumferential direction, thereby preventing relative rotation between the inner adhesive layer 100 and the outer adhesive layer 200.
Further, the inner joint strip 110 includes an inner clamping portion 111 and an inner connecting portion 112 connected to the middle of the inner clamping portion 111 and having a smaller width than the inner clamping portion 111; the outer joint strip 210 includes an outer clamping portion 211 and an outer connecting portion 212 connected to the middle of the outer clamping portion 211 and having a smaller width than the outer clamping portion 211. Based on the above design, after the inner adhesive layer 100 and the outer adhesive layer 200 are sleeved, the inner clamping portion 111 and the inner adhesive layer 100, and the outer clamping portion 211 and the outer adhesive layer 200 form an interlocking structure similar to a falcon, and the interlocking manner can prevent the inner adhesive layer 100 and the outer adhesive layer 200 from being peeled off from each other under the influence of external environment (such as bending, compression deformation, etc.).
Still further, the inner clamping portion 111 and the outer clamping portion 211 are respectively provided with a first reinforcing groove 111a and a second reinforcing groove 211a along the axial direction thereof, and the first reinforcing groove 111a and the second reinforcing groove 211a are respectively provided with a first wire reinforcement 300 and a second wire reinforcement 400 which are adapted thereto. Based on the above design, the arrangement of the first steel wire reinforcement 300 and the second steel wire reinforcement 400 not only improves the deformation resistance of the outer clamping portion 211 and the inner clamping portion 111, thereby avoiding the occurrence of the mutual stripping of the inner adhesive layer 100 and the outer adhesive layer 200 when the hose is subjected to a large external force, but also improves the aging resistance of the outer clamping portion 211 and the inner clamping portion 111, and avoids the occurrence of the mutual stripping of the inner adhesive layer 100 and the outer adhesive layer 200 due to the aging of the inner clamping portion 111 and the outer clamping portion 211.
Further, the inner clamping portion 111 is located between two adjacent outer connecting portions 212, the outer clamping portion 211 is located between two adjacent inner connecting portions 112, and the first wire reinforcement 300 overlaps with two ends of the radial section of the second wire reinforcement 400. Based on the above design, the adjacent first steel wire reinforcement members 300 and second steel wire reinforcement members 400 can be hooked with each other to form an interlocking structure, so that not only the connection strength between the inner adhesive layer 100 and the outer adhesive layer 200 is improved, but also the compression resistance of the hose can be improved by the annular reinforcing layer formed by the plurality of second steel wire reinforcement members 400 and the plurality of first steel wire reinforcement members 300 when the liquid pressure inside the hose acts on the inner adhesive layer 100.
In this embodiment, the radial sections of the inner clamping portion 111 and the outer clamping portion 211 are arc-shaped, the cambered surface of the inner clamping portion 111 faces one side of the outer adhesive layer 200, the cambered surface of the outer clamping portion 211 faces one side of the inner adhesive layer 100, the radial section of the first reinforcing groove 111a is consistent with the radial section of the inner clamping portion 111, and the radial section of the second reinforcing groove 211a is consistent with the radial section of the outer clamping portion 211. Accordingly, the radial cross section of the first wire reinforcement 300 is identical to the radial cross section of the first reinforcing groove 111a, the radial cross section of the second wire reinforcement 400 is identical to the radial cross section of the second reinforcing groove 211a, and based on the above-described design, the first wire reinforcement 300 and the second wire reinforcement 400 can form a double arch structure in the radial direction of the hose, thereby improving the structural strength of the annular reinforcing layer, thereby further improving the compression resistance of the hose.
In the present embodiment, the first wire reinforcement 300 is formed by the first wire extending in a wavy manner in the axial direction of the first reinforcing groove 111a, and the second wire reinforcement 400 is formed by the second wire extending in a wavy manner in the axial direction of the second reinforcing groove 211 a. Based on the design, from the aspect of actual production, the material consumption of the reinforcement is reduced, the production cost is reduced, the manufacture is simple, and the practicability is high; in terms of the technical effect produced, the cross section of the reinforcing member of the hose in the radial cross section is reduced, the flexibility of the hose is enhanced, and the compression resistance of the hose is also considered.
In this embodiment, the first wire reinforcement 300 has gaps between both ends of the first wire reinforcement 300 and both ends of the first reinforcement groove 111a in the radial cross section of the first reinforcement groove 111a, and the second wire reinforcement 400 has gaps between both ends of the second wire reinforcement 400 and both ends of the second reinforcement groove 211a in the radial cross section of the second reinforcement groove 211 a. Through the design, the gap reserved when the hose is bent can be used for the wavy first steel wire and the wavy second steel wire to deform, so that the softness of the hose is further enhanced.
In this specific embodiment, the peaks and valleys of the adjacent first and second wires correspond.
In this embodiment, the radial cross sections of the first steel wire and the second steel wire are rectangular, and in the radial cross section of the first reinforcing groove 111a, the side edges of the width of the first steel wire cross section are abutted against the two side edges of the first reinforcing groove 111a, and in the radial cross section of the second reinforcing groove 211a, the side edges of the width of the second steel wire cross section are abutted against the two side edges of the second reinforcing groove 211 a. Based on the above design, the thickness of the first and second wire reinforcement members 300 and 400 in the radial direction can be increased without increasing the amount of use, thereby improving the structural strength of the annular reinforcing layer, and further improving the compression resistance of the hose.
Specifically, after the first steel wire and the second steel wire may be rolled by using a pressing apparatus in the prior art to form a steel wire with a rectangular cross section, the steel wire with the rectangular cross section is repeatedly bent to form a wavy shape, and finally the wavy steel wire is bent in an axial direction to form an arc shape by using a bending apparatus, thereby forming the first steel wire reinforcement 300 and the second steel wire reinforcement 400. It is added that, in the process of pressing the steel wire by the pressing device, after the steel wire forms a rectangular section, the two side edges of the steel wire naturally form arc convex surfaces.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (6)
1. The steel wire braiding reinforced hydraulic rubber hose comprises an inner rubber layer and an outer rubber layer which are sleeved and connected, and is characterized in that a plurality of inner connecting strips protruding outwards along the radial direction of the inner rubber layer are annularly distributed on the outer side of the inner rubber layer, inner connecting grooves are formed between adjacent inner connecting strips, outer connecting strips inserted into the inner connecting grooves are annularly distributed on the inner side of the outer rubber layer, and outer connecting grooves for the inner connecting strips to be inserted are formed between adjacent outer connecting strips;
the inner connecting strip comprises an inner clamping part and an inner connecting part which is connected to the middle part of the inner clamping part and has a width smaller than that of the inner clamping part; the outer connecting strip comprises an outer clamping part and an outer connecting part which is connected to the middle part of the outer clamping part and has a width smaller than that of the outer clamping part;
the inner clamping part and the outer clamping part are respectively provided with a first reinforcing groove and a second reinforcing groove along the axial direction of the inner clamping part and the outer clamping part, and the inner parts of the first reinforcing groove and the second reinforcing groove are respectively provided with a first steel wire reinforcement and a second steel wire reinforcement which are matched with the first reinforcing groove and the second reinforcing groove;
the inner clamping part is positioned between two adjacent outer connecting parts, the outer clamping part is positioned between two adjacent inner connecting parts, and the two ends of the radial section of the first steel wire reinforcement and the two ends of the radial section of the second steel wire reinforcement are overlapped.
2. The steel wire braid reinforced hydraulic rubber hose of claim 1, wherein the radial cross sections of the inner and outer clamping portions are arc-shaped, the cambered surface of the inner clamping portion faces one side of the outer adhesive layer, the cambered surface of the outer clamping portion faces one side of the inner adhesive layer, the radial cross section of the first reinforcing groove is consistent with the radial cross section of the inner clamping portion, and the radial cross section of the second reinforcing groove is consistent with the radial cross section of the outer clamping portion.
3. The steel wire woven reinforced hydraulic rubber hose according to claim 2, wherein the first steel wire reinforcement is formed by the first steel wire extending in a wavy manner in the axial direction of the first reinforcing groove, and the second steel wire reinforcement is formed by the second steel wire extending in a wavy manner in the axial direction of the second reinforcing groove.
4. A steel wire braid-reinforced hydraulic rubber hose in accordance with claim 3, wherein in the radial cross section of the first reinforcing groove, both ends of the first steel wire reinforcement have a gap with both ends of the first reinforcing groove; in the radial section of the second reinforcing groove, two ends of the second steel wire reinforcement are provided with gaps with two ends of the second reinforcing groove.
5. A steel wire braid-reinforced hydraulic rubber hose in accordance with claim 3, wherein peaks and valleys of adjacent first and second steel wires correspond.
6. The reinforced hydraulic rubber hose of claim 5, wherein the radial cross-sections of the first and second wires are rectangular, and the sides of the width of the first wire cross-section are abutted against the sides of the first reinforcing groove in the radial cross-section of the first reinforcing groove, and the sides of the width of the second wire cross-section are abutted against the sides of the second reinforcing groove in the radial cross-section of the second reinforcing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310608294.5A CN116379230B (en) | 2023-05-27 | 2023-05-27 | Steel wire braiding reinforced hydraulic rubber hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310608294.5A CN116379230B (en) | 2023-05-27 | 2023-05-27 | Steel wire braiding reinforced hydraulic rubber hose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116379230A CN116379230A (en) | 2023-07-04 |
| CN116379230B true CN116379230B (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310608294.5A Active CN116379230B (en) | 2023-05-27 | 2023-05-27 | Steel wire braiding reinforced hydraulic rubber hose |
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| CN (1) | CN116379230B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117644643B (en) * | 2023-11-29 | 2024-07-23 | 江苏西沙科技有限公司 | Production method for improving flexibility of marine hose |
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| CN116379230A (en) | 2023-07-04 |
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