CN112393033A - Novel rubber-plastic composite hydraulic hose and preparation method thereof - Google Patents
Novel rubber-plastic composite hydraulic hose and preparation method thereof Download PDFInfo
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- CN112393033A CN112393033A CN202011509695.8A CN202011509695A CN112393033A CN 112393033 A CN112393033 A CN 112393033A CN 202011509695 A CN202011509695 A CN 202011509695A CN 112393033 A CN112393033 A CN 112393033A
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- hydraulic hose
- plastic composite
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- 229920003023 plastic Polymers 0.000 title claims abstract description 58
- 239000004033 plastic Substances 0.000 title claims abstract description 58
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 229920001971 elastomer Polymers 0.000 claims abstract description 70
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 9
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 15
- 238000004073 vulcanization Methods 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 229920000459 Nitrile rubber Polymers 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 238000009940 knitting Methods 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 230000003712 anti-aging effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 150000002825 nitriles Chemical class 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- 239000012763 reinforcing filler Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 3
- 230000018109 developmental process Effects 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000009941 weaving Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 97
- 239000000047 product Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 229920001084 poly(chloroprene) Polymers 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- 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
- B29L2009/00—Layered products
-
- 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
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a novel rubber-plastic composite hydraulic hose and a preparation method thereof, wherein the novel rubber-plastic composite hydraulic hose comprises an inner rubber layer, a reinforcing layer and an outer rubber layer which are sequentially arranged from inside to outside, the inner rubber layer comprises a first inner rubber layer, a plastic layer and a second inner rubber layer from inside to outside, the reinforcing layer is formed by weaving steel wire meshes or winding steel wires, and the outer rubber layer is made of butyronitrile or PVC rubber-plastic alloy materials. The hose provided by the invention is a novel hydraulic hose with high applicability, high permeability resistance, aging resistance, wear resistance, chemical corrosion resistance, flame retardance and long service life, which is used for connecting all parts in a hydraulic system related to equipment such as a mine hydraulic support, oil field development, engineering machinery, hoisting and transportation, agricultural machinery and the like, and provides reliable guarantee for long-term stable operation of the hydraulic system.
Description
Technical Field
The invention relates to the technical field of rubber and plastic composite hydraulic hose preparation, in particular to a novel rubber and plastic composite hydraulic hose and a preparation method thereof.
Background
The hydraulic hose is mainly used for connecting various parts in a hydraulic system related to equipment such as a mine hydraulic support, oil field development, engineering machinery, hoisting and transportation, agricultural machinery and the like, is a key connecting piece of the hydraulic system, and the conveyed medium is generally petroleum-based and water-based liquid with certain temperature and pressure. The quality of the hydraulic hose directly influences the service performance of the system and the host machine.
However, in the use process of the hydraulic hose, the hydraulic hose has poor quality, so that the hydraulic hose often causes 'leakage, leakage', waste of oil, pollution to equipment and environment, influence on the appearance of the whole machine, and reduction of the competitiveness of the whole machine; even the hose can be seriously burst, so that combustible mixed gas formed after the high-pressure oil is sprayed out is sprayed to an equipment exhaust pipe or a fire accident is caused by on-site open fire, and great economic loss is caused to enterprises. The quality of the hydraulic hose needs to be sufficiently emphasized.
Conventional hydraulic hoses are generally composed of an inner layer of liquid-resistant elastomer, one or more reinforcing layers, and an outer layer of weather-resistant elastomer. Because only a single layer of rubber is arranged inside, the medium resistance of the inner layer rubber is poor; the fixed extension of the inner layer of the sizing material is low; air hole sand holes or connector burrs and other scratches of the inner layer caused by impurities of the rubber material, aging and cracking of the inner layer rubber and the like can cause system media to permeate the inner layer and corrode the reinforcing layer to cause product failure, and the service life of the product is influenced. In addition, the outer layer rubber is generally difficult to simultaneously consider medium resistance, aging resistance and wear resistance due to the adoption of the traditional rubber, the outer layer rubber is damaged due to the insufficient performance, the protective effect on the enhancement layer is lost, and the medium, the water and the like penetrate through the outer layer to permeate and corrode the enhancement layer, so that the product failure is caused, and the service life of the product is influenced.
The present invention provides a new solution to this problem.
Disclosure of Invention
In view of the above situation, the present invention aims to provide a novel rubber-plastic composite hydraulic hose and a preparation method thereof.
The technical scheme for solving the problem is that the novel rubber-plastic composite hydraulic hose comprises an inner rubber layer, a reinforcing layer and an outer rubber layer which are sequentially arranged from inside to outside.
Preferably, the inner rubber layer comprises a first inner rubber layer, a plastic layer and a second inner rubber layer from inside to outside.
Preferably, the reinforcing layer is woven by a steel wire mesh.
Preferably, the reinforcing layer is formed by winding steel wires.
Preferably, the outer rubber layer is made of butyronitrile or PVC rubber-plastic alloy material.
The preparation method of the novel rubber-plastic composite hydraulic hose comprises the following steps:
1) sequentially extruding a first inner glue layer, a plastic layer and a second inner glue layer on the tube core;
2) introducing the tube blank prepared in the step 1 into a steel wire knitting machine or a steel wire winding machine, and knitting or winding one or more steel wire reinforcing layers on the surface of the tube blank;
3) introducing the pipe blank prepared in the step 2 into a rubber extruder, and coating an outer rubber layer on the surface of the enhancement layer;
4) winding cloth or wrapping plastic (TPX or PP) on the tube blank prepared in the step 3 according to the requirements of a customer, and then vulcanizing in a cylinder, wherein saturated steam is used as a heat transfer medium for vulcanization, the saturated steam pressure is 0.5-0.65 MPa, the vulcanization temperature is 145-165 ℃, and the vulcanization time is 30-90 minutes;
5) and (4) removing the core after vulcanization to obtain the fabric grain or smooth surface rubber and plastic composite hydraulic hose.
Preferably, the first inner rubber layer and the second inner rubber layer are both a mixture taking nitrile rubber as a main body, and the concrete components are 60-90 parts of nitrile rubber, 10-40 parts of nitrile/PVC rubber-plastic alloy, 80-150 parts of reinforcing filler, 5-20 parts of softening plasticizer, 3-15 parts of adhesive, 2-10 parts of anti-aging agent, and 8-15 parts of vulcanizing agent and activity promoter.
Preferably, the first inner glue layer, the second inner glue layer and the plastic layer are bonded through adhesives.
Preferably, the structure of the reinforcing layer is specifically 1-3 layers of woven or 2-6 layers of wound structures, and the layers are bonded with each other through an intermediate adhesive.
Preferably, the thickness of the outer glue layer is 0.5-2.5 mm.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages:
1. compared with the traditional hydraulic pipe which only has a single medium-resistant inner layer, the inner layer rubber of the invention adopts a composite structure of the first inner rubber layer, the plastic layer and the second inner rubber layer, when one layer of rubber has the defects of impurities, air holes, sand holes and the like, the residual two layers can still effectively obstruct the inner medium, the product failure risk is reduced, and the service life of the product is prolonged;
2. the plastic is used as a rigid material and can form effective complementation with the elastic rubber layer, so that the risk of product failure caused by low fixed extension of the rubber layer is reduced, and compared with elastomer rubber, the hard plastic has better medium barrier property, particularly better barrier property to small molecular substances in a medium, can effectively improve the slow permeation of the medium into the reinforcing layer in the use process of the product, avoids the corrosion damage of the medium, particularly the small molecular medium, to the reinforcing layer, and prolongs the service life of the product;
3. the first inner adhesive layer and the second inner adhesive layer can be subjected to certain formula fine adjustment according to specific use conditions, so that the product has higher applicability;
4. the outer layer rubber is made of butyronitrile/PVC rubber-plastic alloy as a main body material, and simultaneously a part of chloroprene rubber is used, so that the outer layer rubber has the characteristics of the butyronitrile rubber, PVC plastic and the chloroprene rubber, and has good oil resistance, excellent ozone resistance, thermal oxidation resistance, weather aging resistance, wear resistance, chemical corrosion resistance and good flame retardant property.
Drawings
Fig. 1 is a schematic structural diagram of the novel rubber-plastic composite hydraulic hose of the present invention.
In the figure: 1-outer glue layer, 2-enhancement layer, 3-second inner glue layer, 4-plastic layer, and 5-first inner glue layer.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
A novel rubber and plastic composite hydraulic hose comprises an inner rubber layer, a reinforcing layer 2 and an outer rubber layer 1 which are sequentially arranged from inside to outside. Wherein, the interior glue film is to the outsourcing including first interior glue film 5, plastic layer 4 and second interior glue film 3 in to, and enhancement layer 2 is woven by the wire net or the wire winding forms, and outer glue film 1 is made by butyronitrile or PVC rubber and plastic alloy material.
The preparation method of the novel rubber-plastic composite hydraulic hose comprises the following steps:
1) sequentially extruding a first inner glue layer, a plastic layer and a second inner glue layer on the tube core;
2) introducing the tube blank prepared in the step 1 into a steel wire knitting machine or a steel wire winding machine, and knitting or winding one or more steel wire reinforcing layers on the surface of the tube blank;
3) introducing the pipe blank prepared in the step 2 into a rubber extruder, and coating an outer rubber layer on the surface of the enhancement layer;
4) winding cloth or wrapping plastic (TPX or PP) on the tube blank prepared in the step 3 according to the requirements of a customer, and then vulcanizing in a cylinder, wherein saturated steam is used as a heat transfer medium for vulcanization, the saturated steam pressure is 0.5-0.65 MPa, the vulcanization temperature is 145-165 ℃, and the vulcanization time is 30-90 minutes;
5) and (4) removing the core after vulcanization to obtain the fabric grain or smooth surface rubber and plastic composite hydraulic hose.
During the specific preparation, the first inner rubber layer and the second inner rubber layer are both a mixture taking nitrile rubber as a main body, and the specific components are 60-90 parts of nitrile rubber, 10-40 parts of nitrile/PVC rubber-plastic alloy, 80-150 parts of reinforcing filler, 5-20 parts of softening plasticizer, 3-15 parts of adhesive, 2-10 parts of anti-aging agent, and 8-15 parts of vulcanizing agent and active accelerator. Wherein, the glue film can be the same proportion preparation in the first second, also can finely tune according to concrete service condition, makes the product have higher suitability.
The first inner glue layer, the second inner glue layer and the plastic layer are bonded through adhesives, the thickness of the first inner glue layer is 0.8-2.0mm, and the thickness of the second inner glue layer is 0.5-1.5 mm. The inner rubber layer adopts a composite structure of the first inner rubber layer, the plastic layer and the second inner rubber layer, when one layer of rubber has the defects of impurities, air holes, sand holes and the like, the remaining two layers can still effectively block the internal medium, the failure risk of the product is reduced, and the service life of the product is prolonged.
The plastic layer is made of one of PA6, PA66, PA610, PA12, EVOH, PVC, CPE, PP and ABS, and the thickness of the plastic layer is 0.1-0.5mm during preparation. The plastic serving as a rigid material can form effective complementation with the elastic rubber layer, so that the risk of product failure caused by low definite elongation of the rubber layer is reduced, and compared with elastomer rubber, the hard plastic has better medium barrier property, particularly better barrier property to small molecular substances in a medium, can effectively improve the slow permeation of the medium into the reinforcing layer in the use process of a product, avoids the corrosion damage of the medium, particularly the small molecular medium, to the reinforcing layer, and prolongs the service life of the product.
The reinforcing layer is made of copper-plated steel wires or zinc-plated steel wires, the diameter of each steel wire is 0.2-1.0mm, the structure of each reinforcing layer is specifically a 1-3-layer woven or 2-6-layer wound structure, the layers are reinforced and bonded through intermediate glue, the thickness of each intermediate glue layer is 0.2-0.5mm, and the design angle of weaving or winding is 45-60 degrees. The outer layer rubber is made of butyronitrile/PVC rubber-plastic alloy as a main material, the thickness of the outer rubber layer is 0.5-2.5mm, and meanwhile, a part of chloroprene rubber is used in combination, so that the outer layer rubber has the characteristics of butyronitrile rubber, PVC plastic and chloroprene rubber, and has good oil resistance, excellent ozone resistance, thermal oxidation resistance, weather aging resistance, wear resistance, chemical corrosion resistance and good flame retardant property.
By combining the design, the hose has excellent comprehensive properties of high applicability, high permeability resistance, aging resistance, wear resistance, chemical corrosion resistance, flame retardance, long service life and the like. The hose provided by the invention is a novel hydraulic hose with high applicability, high permeability resistance, aging resistance, wear resistance, chemical corrosion resistance, flame retardance and long service life, which is used for connecting all parts in a hydraulic system related to equipment such as a mine hydraulic support, oil field development, engineering machinery, hoisting and transportation, agricultural machinery and the like, and provides reliable guarantee for long-term stable operation of the hydraulic system.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a novel compound hydraulic hose of rubber and plastic which characterized in that: comprises an inner glue layer, an enhancement layer and an outer glue layer which are arranged from inside to outside in sequence.
2. The novel rubber-plastic composite hydraulic hose according to claim 1, characterized in that: the inner rubber layer comprises a first inner rubber layer, a plastic layer and a second inner rubber layer from inside to outside.
3. The new rubber-plastic composite hydraulic hose according to claim 2, characterized in that: the reinforced layer is woven by a steel wire mesh.
4. The new rubber-plastic composite hydraulic hose according to claim 2, characterized in that: the reinforcing layer is formed by winding steel wires.
5. The new rubber-plastic composite hydraulic hose according to any one of claims 1-4, wherein: the outer rubber layer is made of butyronitrile or PVC rubber-plastic alloy material.
6. The method for preparing the novel rubber-plastic composite hydraulic hose according to any one of claims 1 to 5, wherein the method comprises the following steps: the method comprises the following steps:
1) sequentially extruding a first inner glue layer, a plastic layer and a second inner glue layer on the tube core;
2) introducing the tube blank prepared in the step 1 into a steel wire knitting machine or a steel wire winding machine, and knitting or winding one or more steel wire reinforcing layers on the surface of the tube blank;
3) introducing the pipe blank prepared in the step 2 into a rubber extruder, and coating an outer rubber layer on the surface of the enhancement layer;
4) winding cloth or wrapping plastic (TPX or PP) on the tube blank prepared in the step 3 according to the requirements of a customer, and then vulcanizing in a cylinder, wherein saturated steam is used as a heat transfer medium for vulcanization, the saturated steam pressure is 0.5-0.65 MPa, the vulcanization temperature is 145-165 ℃, and the vulcanization time is 30-90 minutes;
5) and (4) removing the core after vulcanization to obtain the fabric grain or smooth surface rubber and plastic composite hydraulic hose.
7. The method for preparing the novel rubber-plastic composite hydraulic hose according to claim 6, wherein the method comprises the following steps: the first inner rubber layer and the second inner rubber layer are both a mixture taking nitrile rubber as a main body, and the concrete components are 60-90 parts of nitrile rubber, 10-40 parts of nitrile/PVC rubber-plastic alloy, 80-150 parts of reinforcing filler, 5-20 parts of softening plasticizer, 3-15 parts of adhesive, 2-10 parts of anti-aging agent, and 8-15 parts of vulcanizing agent and active accelerator.
8. The method for preparing the novel rubber-plastic composite hydraulic hose according to claim 7, wherein the method comprises the following steps: the first inner glue layer, the second inner glue layer and the plastic layer are bonded through adhesives.
9. The method for preparing the novel rubber-plastic composite hydraulic hose according to claim 8, wherein the method comprises the following steps: the structure of the enhancement layer is specifically 1-3 layers of woven or 2-6 layers of wound structures, and the layers are bonded with each other through intermediate glue.
10. The method for preparing the novel rubber-plastic composite hydraulic hose according to claim 9, wherein the method comprises the following steps: the thickness of the outer glue layer is 0.5-2.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011509695.8A CN112393033A (en) | 2020-12-19 | 2020-12-19 | Novel rubber-plastic composite hydraulic hose and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011509695.8A CN112393033A (en) | 2020-12-19 | 2020-12-19 | Novel rubber-plastic composite hydraulic hose and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112393033A true CN112393033A (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011509695.8A Pending CN112393033A (en) | 2020-12-19 | 2020-12-19 | Novel rubber-plastic composite hydraulic hose and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623294A (en) * | 2022-03-22 | 2022-06-14 | 徐州市华为工程机械有限公司 | Hydraulic hose assembly |
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| US8865280B2 (en) * | 2010-11-09 | 2014-10-21 | Tokai Rubber Industries, Ltd. | Fuel hose and method for producing the same |
| US20150198269A1 (en) * | 2014-01-10 | 2015-07-16 | Veyance Technologies, Inc. | Low permeation curb pump hose |
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| CN206072578U (en) * | 2016-08-31 | 2017-04-05 | 天津鹏翎胶管股份有限公司 | A kind of butyronitrile fuel line hose made from fluoro-resin |
| CN108662307A (en) * | 2018-03-30 | 2018-10-16 | 南通美莱达科技有限公司 | Fire-retardant hydralic hose of a kind of anti-high impulse of high-strength ageing and preparation method thereof |
| CN109340471A (en) * | 2018-10-25 | 2019-02-15 | 南京利德东方橡塑科技有限公司 | A kind of air conditioning hose and preparation method thereof meeting novel refrigerant |
-
2020
- 2020-12-19 CN CN202011509695.8A patent/CN112393033A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8865280B2 (en) * | 2010-11-09 | 2014-10-21 | Tokai Rubber Industries, Ltd. | Fuel hose and method for producing the same |
| CN103697254A (en) * | 2013-12-24 | 2014-04-02 | 苏州华东橡胶工业有限公司 | Hydraulic rubber hose |
| US20150198269A1 (en) * | 2014-01-10 | 2015-07-16 | Veyance Technologies, Inc. | Low permeation curb pump hose |
| CN205065081U (en) * | 2015-10-14 | 2016-03-02 | 衡水锦昌橡塑制品有限公司 | High resistant how anti hydraulic hose |
| CN206072578U (en) * | 2016-08-31 | 2017-04-05 | 天津鹏翎胶管股份有限公司 | A kind of butyronitrile fuel line hose made from fluoro-resin |
| CN108662307A (en) * | 2018-03-30 | 2018-10-16 | 南通美莱达科技有限公司 | Fire-retardant hydralic hose of a kind of anti-high impulse of high-strength ageing and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623294A (en) * | 2022-03-22 | 2022-06-14 | 徐州市华为工程机械有限公司 | Hydraulic hose assembly |
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Application publication date: 20210223 |