CN114352815B - Ceramic rubber tube and preparation method thereof - Google Patents
Ceramic rubber tube and preparation method thereof Download PDFInfo
- Publication number
- CN114352815B CN114352815B CN202210038804.5A CN202210038804A CN114352815B CN 114352815 B CN114352815 B CN 114352815B CN 202210038804 A CN202210038804 A CN 202210038804A CN 114352815 B CN114352815 B CN 114352815B
- Authority
- CN
- China
- Prior art keywords
- rubber
- ceramic
- layer
- parts
- intermediate product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 125
- 239000005060 rubber Substances 0.000 title claims abstract description 125
- 239000000919 ceramic Substances 0.000 title claims abstract description 78
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000004804 winding Methods 0.000 claims description 23
- 239000013067 intermediate product Substances 0.000 claims description 14
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 244000043261 Hevea brasiliensis Species 0.000 claims description 8
- 229920003052 natural elastomer Polymers 0.000 claims description 8
- 229920001194 natural rubber Polymers 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 6
- 238000004073 vulcanization Methods 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 150000001868 cobalt Chemical class 0.000 claims description 4
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 11
- 238000009954 braiding Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 3
- 235000009120 camo Nutrition 0.000 description 3
- 235000005607 chanvre indien Nutrition 0.000 description 3
- 239000011487 hemp Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000004506 ultrasonic cleaning Methods 0.000 description 3
- 239000004636 vulcanized rubber Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000462 isostatic pressing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000715 Mucilage Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a ceramic rubber tube and a preparation method thereof. The ceramic rubber tube has long service life, and is beneficial to reducing the cost and saving the resources; the ceramic rubber tube disclosed by the invention is simple to prepare and suitable for large-scale industrial production.
Description
Technical Field
The invention relates to the field of rubber materials, in particular to a ceramic rubber tube and a preparation method thereof.
Background
Along with the increase of the domestic engineering quantity and the improvement of engineering difficulty, the existing market puts forward higher requirements on the service life of engineering rubber pipes, for example, when a pump truck is used for concrete construction, materials carry certain scouring abrasion, and when a blocking hole is encountered, the pump pipe needs to bear certain pressure, so that the pump truck pipeline needs to be wear-resistant and pressure-resistant. The conventional rubber tube is generally made of a common lining polyurethane rubber tube, and the service life of the common lining polyurethane rubber pump tube under the use condition is generally 2 thousands of times, so that the practical application condition is difficult to meet, and the application of the conventional rubber tube is limited.
Disclosure of Invention
The invention provides a ceramic rubber tube and a preparation method thereof, which are used for solving the technical problem that the service life of the existing rubber tube is insufficient.
In order to solve the technical problems, the invention adopts the following technical scheme:
the ceramic rubber tube sequentially comprises a ceramic plate and a rubber layer which are mutually fixed from inside to outside along the radial direction, wherein a cord reinforcing layer is arranged inside the rubber layer. In the prior art, the polyurethane wear-resistant layer is used as the wear-resistant lining for the common pump truck tail pipe, and the wear-resistant layer is constructed by adopting the ceramic plate, so that the wear-resistant effect is better, and the service life of the wear-resistant layer can be prolonged by 2-3 times when the wear-resistant layer is used for replacing the common polyurethane wear-resistant layer; meanwhile, a cord reinforcing layer is additionally arranged in the rubber layer, so that the overall strength of the rubber tube can be improved.
As a further preferable aspect of the above-mentioned technical solution, the rubber layer includes an inner layer rubber, a middle layer rubber, and an outer layer rubber (7); the cord reinforced layer is arranged in the middle rubber layer; the inner layer rubber is prepared from the following raw materials: 6-8 parts of natural rubber, 1-2 parts of styrene-butadiene rubber and 3-4 parts of binding resin; the middle layer rubber is prepared from the following raw materials: 6 to 8 parts of natural rubber, 1 to 2 parts of styrene-butadiene rubber and 0.2 to 0.4 part of cobalt salt; the outer layer rubber is prepared from the following raw materials: 1-2 parts of neoprene and 6-8 parts of styrene butadiene rubber. The rubber layer is set to be of a three-layer structure, the rubber layers with different performances are obtained by limiting the formula proportion of each layer structure, the inner layer rubber can strengthen the bonding strength of the rubber and the ceramic, the middle layer rubber can strengthen the bonding strength of the rubber and the cord reinforced layer, the outer layer rubber has better weather resistance, and the damage of ultraviolet rays, rainwater and the like to the rubber tube can be reduced.
As a further preferable aspect of the above-mentioned technical scheme, the thickness of the inner layer rubber is 1.5 to 2mm, the thickness of the middle layer rubber is 1 to 1.5mm, and the thickness of the outer layer rubber is 1.5 to 2mm.
As a further preferable mode of the technical scheme, the ceramic sheet adopts toughened alumina ceramic, and is round, 3-4 mm in diameter and 2-3.8 mm in thickness. The ceramic plate is rigid, so that a certain gap is formed when the round ceramic plate is spliced, a certain movable space is provided for the ceramic rubber tube, the ceramic rubber tube can be deformed and bent, the wear resistance and the flexibility are ensured, meanwhile, the middle joint of the rubber tube can not be greatly increased on the premise of having stronger wear resistance of the ceramic plate with the thickness, and the ceramic plate is convenient to use and produce.
As a further preferable aspect of the above technical solution, the cord reinforcement layer includes a multi-layer cord woven from steel wires with an interval of 0.5 to 2mm, and the steel wires are copper plated steel wires.
Based on the same technical conception, the application also provides a preparation method of the ceramic rubber tube, which comprises the following steps:
s1, tightly arranging and fixing the ceramic plates on a steel core, and winding the inner rubber on the ceramic plates and the steel core to obtain an intermediate product A;
s2, winding a cord outside the intermediate product A to form a cord reinforcing layer, and winding the middle layer rubber outside the cord reinforcing layer to obtain an intermediate product B;
s3, winding the outer layer rubber outside the intermediate product B, and covering a fixture outside the outer layer rubber to obtain an intermediate product C;
s4, vulcanizing the intermediate product C at 100-180 ℃ for 2-6 hours, and dismantling the steel core and the fixed object to obtain the ceramic rubber tube.
As a further preferable aspect of the above-mentioned technical solution, in the intermediate product B in step S2, the cord reinforcing layer and the inner layer rubber are repeatedly wound in a plurality of layers.
As a further preferable aspect of the above technical solution, the vulcanization process in step S4 is performed using a compressed air vulcanizing tank, and the pressure in the compressed air vulcanizing tank is maintained at 0.5 to 0.7MPa.
Vulcanization using a vulcanizing tank is a common means in the industry, but the vulcanizing tank has a specific vulcanization process designed for each product of each formulation, and is different in size.
As a further preferable aspect of the above technical solution, before the ceramic sheet is fixed on the steel core in step S1, the following steps are required: placing the ceramic plates into an ultrasonic cleaning box for cleaning and drying, typesetting the ceramic plates into lines according to the requirements of longitudinal staggered arrangement by using a typesetting die, fixing one surface by using adhesive tapes, wiping and cleaning the other surface by using alcohol, spraying hot vulcanized rubber after drying, and coating mucilage after full drying.
As a further preferable aspect of the above technical solution, before the steel core is fixed to the ceramic sheet in step S1, a layer of release agent is coated on the surface, and the thickness of the release agent is 3-6 μm.
As a further preferable aspect of the above technical solution, the fixture in step S3 includes nylon cloth and hemp rope.
Compared with the prior art, the invention has the advantages that:
(1) The ceramic rubber pipe of the invention has long service life when used as an engineering pipeline (especially when used as a tail pipe of a pump truck), and is beneficial to reducing cost and saving resources;
(2) The ceramic rubber tube disclosed by the invention is simple to prepare and suitable for large-scale industrial production.
Drawings
Fig. 1 is a schematic structural view (sectional view) of a ceramic rubber tube of example 1.
Legend description:
1. a flange; 2. a ceramic sheet; 3. an inner layer rubber; 4. middle layer rubber; 5. a skeleton steel wire; 6. a cord reinforcement layer; 7. and (3) an outer layer of rubber.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1:
the ceramic rubber tube of the embodiment is shown in fig. 1 (specific structures of all layers are shown in fig. 1), the inner diameter is 121mm, the length is 3000mm, one end of the ceramic rubber tube is sleeved with a flange 1, the ceramic rubber tube is sequentially provided with ceramic plates 2 (selected toughened alumina ceramics, the ceramic plates are round with the diameter of 4mm and the thickness of 3.8 mm), inner rubber 3 (with the thickness of 2 mm), middle rubber 4 (with the thickness of 1 mm) and outer rubber 7 (with the thickness of 1.5 mm) from inside to outside along the radial direction, a cord reinforcing layer 6 is arranged in the middle rubber 4, and skeleton steel wires 5 are arranged in the outer rubber 7; the ratio of the natural rubber to the styrene-butadiene rubber in the base rubber of the inner layer rubber 3 is 8:2, and the addition amount of the bonding resin is 4 parts; the ratio of the natural rubber to the styrene-butadiene rubber in the base rubber of the middle layer rubber 4 is 8:2, and the addition amount of cobalt salt is 0.4 part; the ratio of chloroprene rubber to styrene-butadiene rubber in the base rubber of the outer layer rubber 7 is 2:8.
The preparation method of the ceramic rubber tube comprises the following steps:
(1) Preparing a ceramic sheet 2: the ceramic granulated powder is pressed into a ceramic green body in a mold of a specific shrinkage ratio, and then the green body is put into a sponge mold, and the green body is further compacted using an isostatic press. And (3) placing the isostatic pressing green compact into a tunnel kiln for sintering, cooling, washing out surface corundum sand by using a vibrating screen, and drying to obtain the ceramic sheet 2.
(2) Treatment of ceramic sheet 2: placing the ceramic into an ultrasonic cleaning box for cleaning for 30min, and drying. Arranging ceramics according to the requirements of transverse line formation and longitudinal dislocation by using a typesetting mould, fixing one surface by using an adhesive tape, wiping and cleaning the other surface by using alcohol, drying, spraying hot vulcanized rubber, and coating adhesive cement after full drying.
(3) Rubber preparation: preparing each layer of rubber according to the formula of each layer of rubber;
(4) Coating a layer of spacer with the thickness of 5 mu m on the surface of the steel core; the ceramic plates 2 are stuck on the inner wall of the flange 1 by high-temperature resistant strong glue in advance, then the flange 1 is sleeved on one end of a steel core, the treated ceramic plates 2 are tightly arranged on the steel core, and the steel core is fixed by using cotton wool; winding an inner layer rubber 3 on a ceramic sheet 2, compacting, then passing through a braiding machine, braiding cord steel wires, wherein the intervals between the steel wires are 1mm, forming a cord reinforcing layer 6, then winding a middle layer rubber 4, reversely braiding the cord steel wires, winding the middle layer rubber 4, repeating the steps of braiding and winding the middle layer rubber 4 for a plurality of times, and winding a skeleton steel wire 5 for 1 time; winding the outer rubber 7, winding the nylon Long Shuibu, and winding the nylon water clothAfter fixing, vulcanizing by adopting a compressed air vulcanizing tank, wherein the pressure is 0.7MPa, the temperature is 149 ℃, and the time is 4 hours; completion of vulcanizationAnd then, disassembling the hemp rope water cloth, and drawing out the steel core to obtain the ceramic rubber tube.
Through tests, when the ceramic rubber tube of the embodiment is used as a tail tube of a pump truck, the service life of the ceramic rubber tube can exceed 3 ten thousand square.
Example 2:
the ceramic rubber tube of the embodiment is sleeved with a flange 1 at one end, and is sequentially provided with a ceramic plate 2 (the ceramic plate is made of toughened alumina ceramic, the ceramic plate is round with a diameter of 3mm and a thickness of 2 mm), an inner layer rubber 3 (with a thickness of 1.5 mm), a middle layer rubber 4 (with a thickness of 1.5 mm) and an outer layer rubber 7 (with a thickness of 2 mm) from inside to outside along the radial direction, wherein a cord reinforcing layer 6 is arranged in the middle layer rubber 4, and a skeleton steel wire 5 is arranged in the outer layer rubber 7; the ratio of the natural rubber to the styrene-butadiene rubber in the base rubber of the inner layer rubber 3 is 6:2, and the addition amount of the bonding resin is 3 parts; the ratio of the natural rubber to the styrene-butadiene rubber in the base rubber of the middle layer rubber 4 is 7:1.4, and the addition amount of cobalt salt is 0.2 part; the ratio of chloroprene rubber to styrene-butadiene rubber in the base rubber of the outer layer rubber 7 is 1:6.
The preparation method of the ceramic rubber tube comprises the following steps:
(1) Preparing a ceramic sheet 2: the ceramic granulated powder is pressed into a ceramic green body in a mold of a specific shrinkage ratio, and then the green body is put into a sponge mold, and the green body is further compacted using an isostatic press. And (3) placing the isostatic pressing green compact into a tunnel kiln for sintering, cooling, washing out surface corundum sand by using a vibrating screen, and drying to obtain the ceramic sheet 2.
(2) Treatment of ceramic sheet 2: placing the ceramic into an ultrasonic cleaning box for cleaning for 30min, and drying. Arranging ceramics according to the requirements of transverse line formation and longitudinal dislocation by using a typesetting mould, wherein the arrangement width is 300mm, fixing one surface by using an adhesive tape, wiping and cleaning the other surface by using alcohol, drying, spraying hot vulcanized rubber, and coating adhesive cement after full drying.
(3) Rubber preparation: preparing each layer of rubber according to the formula of each layer of rubber;
(4) Coating a layer of spacer with the thickness of 5 mu m on the surface of the steel core; the ceramic plates 2 are stuck on the inner wall of the flange 1 by high-temperature resistant strong glue in advance, then the flange 1 is sleeved on one end of a steel core, the treated ceramic plates 2 are tightly arranged on the steel core, and the steel core is fixed by using cotton wool; winding an inner layer rubber 3 on a ceramic sheet 2, compacting, then passing through a braiding machine, braiding cord steel wires, wherein the intervals between the steel wires are 1mm, forming a cord reinforcing layer 6, then winding a middle layer rubber 4, reversely braiding the cord steel wires, winding the middle layer rubber 4, repeating the steps of braiding and winding the middle layer rubber 4 for a plurality of times, and winding a skeleton steel wire 5 for 1 time; winding an outer layer rubber 7, winding a nylon Long Shuibu rope with a diameter of 5mm on nylon water cloth, fixing, vulcanizing by adopting a compressed air vulcanizing tank, wherein the pressure is 0.5MPa, the temperature is 149 ℃, and the time is 4 hours; after the vulcanization is completed, the hemp rope water cloth is disassembled, and the steel core is pulled out, so that the ceramic rubber tube can be obtained.
The above description is merely a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above examples. Modifications and variations which would be obvious to those skilled in the art without departing from the spirit of the invention are also considered to be within the scope of the invention.
Claims (3)
1. The preparation method of the ceramic rubber tube is characterized in that the ceramic rubber tube comprises a ceramic sheet (2) and a rubber layer which are mutually fixed in sequence from inside to outside along the radial direction, and a cord reinforcement layer (6) is arranged in the rubber layer;
the rubber layer comprises an inner layer rubber (3), a middle layer rubber (4) and an outer layer rubber (7); the cord reinforced layer (6) is arranged in the middle layer rubber (4); the inner layer rubber (3) is prepared from the following raw materials: 6-8 parts of natural rubber, 1-2 parts of styrene-butadiene rubber and 3-4 parts of binding resin; the middle layer rubber (4) is prepared from the following raw materials: 6-8 parts of natural rubber, 1-2 parts of styrene-butadiene rubber and 0.2-0.4 part of cobalt salt; the outer layer rubber (7) is prepared from the following raw materials: 1-2 parts of neoprene and 6-8 parts of styrene-butadiene rubber;
the thickness of the inner layer rubber (3) is 1.5-2 mm, the thickness of the middle layer rubber (4) is 1-1.5 mm, and the thickness of the outer layer rubber (7) is 1.5-2 mm;
the ceramic sheet (2) is made of toughened alumina ceramic, the ceramic sheet (2) is round, the diameter is 3-4 mm, and the thickness is 2-3.8 mm;
the preparation method of the ceramic rubber tube comprises the following steps:
s1, tightly arranging and fixing the ceramic plates (2) on a steel core, and winding the inner layer rubber (3) on the ceramic plates (2) and the steel core to obtain an intermediate product A;
s2, winding a cord outside the intermediate product A to form a cord reinforcing layer (6), and winding the intermediate layer rubber (4) outside the cord reinforcing layer (6) to obtain an intermediate product B; in the intermediate product B, a plurality of layers of cord reinforced layers (6) and middle rubber (4) are repeatedly wound;
s3, winding the outer layer rubber (7) outside the intermediate product B, and covering a fixture outside the outer layer rubber (7) to obtain an intermediate product C;
s4, vulcanizing the intermediate product C at 100-180 ℃ for 2-6 hours, and removing the steel core and the fixture to obtain the ceramic rubber tube.
2. The method for preparing a ceramic rubber tube according to claim 1, wherein the vulcanization in the step S4 is performed by using a compressed air vulcanizing tank, and the pressure in the compressed air vulcanizing tank is kept at 0.5-0.7 mpa.
3. Use of the ceramic rubber tube produced by the production method according to claim 1 or 2, wherein the ceramic rubber tube is used for a pump truck tail pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210038804.5A CN114352815B (en) | 2022-01-13 | 2022-01-13 | Ceramic rubber tube and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210038804.5A CN114352815B (en) | 2022-01-13 | 2022-01-13 | Ceramic rubber tube and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114352815A CN114352815A (en) | 2022-04-15 |
| CN114352815B true CN114352815B (en) | 2023-12-22 |
Family
ID=81109488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210038804.5A Active CN114352815B (en) | 2022-01-13 | 2022-01-13 | Ceramic rubber tube and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114352815B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001108159A (en) * | 1999-10-06 | 2001-04-20 | Yamashita Rubber Co Ltd | Reinforced rubber hose and manufacturing method therefor |
| CN211118077U (en) * | 2019-10-12 | 2020-07-28 | 衡水泽阳橡塑制品有限公司 | Wear-resistant rubber tube with ceramic lining |
| CN211875438U (en) * | 2020-04-01 | 2020-11-06 | 湖南精城特种陶瓷有限公司 | Ceramic rubber pump pipe |
| CN113154145A (en) * | 2021-05-26 | 2021-07-23 | 康瑞森工程科技(青岛)有限公司 | Flexible bendable rubber ceramic hose and production method thereof |
| CN113187963A (en) * | 2021-05-10 | 2021-07-30 | 宁波舜龙胶管有限公司 | Steel wire woven high-pressure rubber pipe and preparation process thereof |
| CN214999933U (en) * | 2021-06-29 | 2021-12-03 | 湖南超硬新材料有限公司 | Wear-resistant rubber tube with ceramic lining |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9188257B2 (en) * | 2012-05-03 | 2015-11-17 | Gates Corporation | Flame resistant hose reinforced with fiberglass cord fabric |
-
2022
- 2022-01-13 CN CN202210038804.5A patent/CN114352815B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001108159A (en) * | 1999-10-06 | 2001-04-20 | Yamashita Rubber Co Ltd | Reinforced rubber hose and manufacturing method therefor |
| CN211118077U (en) * | 2019-10-12 | 2020-07-28 | 衡水泽阳橡塑制品有限公司 | Wear-resistant rubber tube with ceramic lining |
| CN211875438U (en) * | 2020-04-01 | 2020-11-06 | 湖南精城特种陶瓷有限公司 | Ceramic rubber pump pipe |
| CN113187963A (en) * | 2021-05-10 | 2021-07-30 | 宁波舜龙胶管有限公司 | Steel wire woven high-pressure rubber pipe and preparation process thereof |
| CN113154145A (en) * | 2021-05-26 | 2021-07-23 | 康瑞森工程科技(青岛)有限公司 | Flexible bendable rubber ceramic hose and production method thereof |
| CN214999933U (en) * | 2021-06-29 | 2021-12-03 | 湖南超硬新材料有限公司 | Wear-resistant rubber tube with ceramic lining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114352815A (en) | 2022-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9151417B2 (en) | Method and composition for lining a pipe | |
| CN102777708B (en) | Fiber-woven pultrusion pipeline and production method | |
| CN101776187B (en) | Prestressed concrete glass fiber reinforced plastic compound tubing structure and manufacture process thereof | |
| CN104401011B (en) | Sandwich structure composite material and preparation method thereof | |
| CN104086204B (en) | Heavy caliber long size carbon-carbon composite pipeline and preparation method thereof | |
| CN104128991B (en) | Internal mold rigidity expands the equipment and manufacturing process thereof that manufacture concrete pressure pipe | |
| CN114352815B (en) | Ceramic rubber tube and preparation method thereof | |
| CN114559686B (en) | Forming preparation method of solid rocket engine fiber composite shell | |
| JP2004506549A (en) | Molding method | |
| CN101303095A (en) | Reinforced concrete and glass fiber reinforced plastic sand inclusion composite pipes and molding process thereof | |
| CN115354551A (en) | Bonded concrete canvas structure and preparation method and application method thereof | |
| CN109571984B (en) | Manufacturing process method of long fiber reinforced composite pipe fitting | |
| CN104763163A (en) | Method and process for reinforcing RC (Reinforced Concrete) beam of E-glass fiber fabric reinforced magnesium phosphate cement-based concrete thin-slab | |
| CN104044274A (en) | Preparation method for wear-resistant corrosion-resistant composite conveying pipeline with high bonding strength | |
| CN201621381U (en) | Prestressed concrete and glass fiber reinforced plastic composite pipe | |
| CN111720667A (en) | Compound carbon fiber reinforcing method for inner wall of water pipeline | |
| CN204136220U (en) | A kind of internal mold rigidity expands and manufactures the equipment of concrete pressure pipe | |
| CN113669516B (en) | Multilayer reinforced dredging pipe with floating layer and forming process thereof | |
| CN110107748B (en) | Wear-resistant ceramic rubber hose and preparation method thereof | |
| CN103557380B (en) | Abrasion-proof pipe and preparation method thereof | |
| CN103498974A (en) | Light composite material exhaust pipe and method for manufacturing same | |
| CN204328238U (en) | Glass fibre reinforced plastics concrete composite pipe | |
| CN211250548U (en) | Automatic sampling and forming device for energy-saving recycled concrete test block | |
| CN111271525A (en) | Glass fiber reinforced plastic ceramic composite pipeline and preparation method thereof | |
| CN111300843A (en) | Forming equipment and forming process for GFRP (glass fiber reinforced Polymer) tube layer of composite electric pole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |