CN105778188A - Wear-resistant electrician bag for power systems - Google Patents
Wear-resistant electrician bag for power systems Download PDFInfo
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- CN105778188A CN105778188A CN201610304942.8A CN201610304942A CN105778188A CN 105778188 A CN105778188 A CN 105778188A CN 201610304942 A CN201610304942 A CN 201610304942A CN 105778188 A CN105778188 A CN 105778188A
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- Prior art keywords
- wear
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- electrician
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/24—Etuis for purposes not covered by a single one of groups A45C11/02 - A45C11/22, A45C11/26, A45C11/32 - A45C11/38
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention relates to a wear-resistant electrician bag for power systems, which comprises a bag body, a shoulder strap and a waist strap, the bag body consists of an internal wear-resistant layer, a non-woven fabric layer, a waterproof layer and an external wear-resistant layer from the inside to the outside, the internal wear-resistant layer is made of a thin thermoplastic elastic rubber layer, the waterproof layer is a polyvinyl chloride waterproof layer, and the material components of the external wear-resistant layer are as follows: 40 to 60 parts by weight of styrene-butadiene rubber, 20 to 40 parts by weight of chloroprene rubber, 23 to 26 parts by weight of fluoroether rubber, 0.1 to 15 parts by weight of graphene, 13 to 15 parts by weight of phenol-formaldehyde resin, 1 to 10 parts by weight of silane coupling agent, 12 to 15 parts by weight of semi-reinforcing furnace black, 10 to 12 parts by weight of calcined clay, 1 to 5 parts by weight of magnesium powder, 5 to 7 parts by weight of nanometer molybdenum disulfide (MoS2), 1 to 10 parts by weight of anti-aging agent, 4 to 8 parts by weight of zinc oxide and 1 to 5 parts by weight of accelerant. Besides high wear resistance, the electrician bag also has the characteristics of dampproofness, light weight, wear resistance, high temperature resistance, weather resistance and high insulating property.
Description
Technical field
The present invention relates to a kind of power system wrap with wear-resisting electrician, belong to electric power auxiliary device technical field.
Background technology
In power equipment maintaining field, electrician's bag is used for containing circuit tester, test pencil, wire stripper, needle-nose pliers, flat mouth and cross and changes
Cone, 8 inches of instruments such as adjustable wrench, electrician's knife, in actual applications, many electricians wrap in outdoor application, due to weather
The impact of factor, in the case of sleety weather so that electrician's bag is easy to make moist, intakes, corrosion, affects safety utilization of electric power.
And existing electric power tool bag mostly is general cloth and makes, the most wear-resisting；Service life is the longest.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of power system to wrap with wear-resisting electrician, this electrician wrap have corrosion-resistant,
High temperature resistant, wear-resistant, moistureproof excellent properties..
Technical scheme is as follows:
A kind of power system is wrapped with wear-resisting electrician, including inclusion, shoulder belt and belt, exhausted along being provided with a circle at the opening of described inclusion
Edge frame, shoulder belt is connected to inclusion both sides, and belt is positioned at side, described inclusion lower end, and described belt is by velcro and inclusion
Opposite side is attached, and described inclusion includes interior wearing layer, nonwoven layer, waterproof layer and outer wear layer from the inside to the outside, interior wear-resisting
Layer is made for tendon Bovis seu Bubali thin layer, and waterproof layer is polrvinyl chloride waterproof layer, and outer wear layer raw material components is as follows, is weight portion:
Butadiene-styrene rubber 40-60 part, neoprene 20-40 part, fluoroether rubber 23-26 part, Graphene 0.1-15 part, phenolic aldehyde tree
Fat 13-15 part, silane coupler 1-10 part, semi-reinforcing furnace black 12-15 part, calcinated argil 10-12 part, magnesium powder 1-5 part,
Nano molybdenum disulfide (MoS2) 5-7 part, age resistor 1-10 part, zinc oxide 4～8 parts, accelerator 1-5 part.
Currently preferred, described outer wear layer layer thickness is 2-5mm.
Currently preferred, semi-reinforcing furnace black, calcinated argil, the particle diameter of magnesium powder are 80-90nm.
Currently preferred, described butadiene-styrene rubber is newborn poly-butylbenzene, the trade mark 1502.
Currently preferred, described silane coupler is Si69, Si747, KH550, KH560, KH570；Preferably,
Described silane coupler is Si69.
Currently preferred, described age resistor is amines antioxidants or phenol antiager, it is preferred that described age resistor is right
Phenylenediamine derivative class age resistor.
Currently preferred, described accelerator is dithio tetrabutyl thiuram.
Nonwoven layer, waterproof layer are prior art.
Currently preferred, described outer wear layer raw material components is as follows, is weight portion:
Butadiene-styrene rubber 50-55 part, neoprene 20-30 part, fluoroether rubber 24-26 part, Graphene 2-7 part, phenolic resin
13-14 part, silane coupler 1-8 part, semi-reinforcing furnace black 12-13 part, calcinated argil 10-12 part, magnesium powder 1-3 part, nanometer
Molybdenum bisuphide (MoS2) 5-8 part, age resistor 1-7 part, zinc oxide 4～6 parts, accelerator 1-3 part.
Above-mentioned outer wear layer material is to prepare by the following method, and step is as follows:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 1-5 hour prepared molybdenum bisuphide suspension of ultrasonic stripping；
Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: (1-15): 100, unit: g/ml；
(2) preheating banbury to 70-80 DEG C, puts into banbury by butadiene-styrene rubber, neoprene, fluoroether rubber, phenolic resin
Middle banburying 22-24min obtains rubber major ingredient, during play triangle bag 5-8 time, the rubber major ingredient obtained is cooled to 30-35 DEG C,
Add the molybdenum bisuphide suspension that step (1) prepares, be uniformly mixed, obtain mixture A；
(3) mixture A is joined in reflux, adds hexamethylene, be uniformly mixed, be heated to reflux hexamethylene,
Reflux 30-40 minute, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of butadiene-styrene rubber are (8-10): (2-5)；
(4) solid mixture step (3) obtained uses hot nitrogen to dry up, and is transferred in reactor, is subsequently adding graphite
Alkene, semi-reinforcing furnace black, calcinated argil, magnesium powder, silane coupler, be heated to 50-60 DEG C under the atmosphere of inert gas shielding,
Stirring reaction 120-150 minute, obtains intermedium；
(5) in the intermedium obtained, add age resistor, zinc oxide, accelerator, proceed to after mix homogeneously in rubber mixing machine, refine glue
Temperature 90-100 DEG C, refines 20-30 minute glue time, and discharging after sulfuration in vulcanizer put into by the sizing material after refining glue, prepares outer wear-resisting
Layer material.
Currently preferred, in step (4), the temperature of described hot nitrogen is 70-80 DEG C, and described noble gas is nitrogen or argon
Gas, the mixing speed of stirring reaction is 80-100 rev/min.
Currently preferred, in step (5), the condition of sulfuration is for vulcanize at twice, and primary vulcanization temperature is
180-190 DEG C, cure time 10-20 minute, then heat to 220-240 DEG C, carry out second time and vulcanize, during second time sulfuration
Between be 7-10 minute.
Electrician's bag light weight of the present invention, alleviates staff's burden in use, have simultaneously stronger wearability and
Corrosion resistance, electrician's bag outer wear layer of the present invention is using butadiene-styrene rubber, butadiene rubber, fluoroether rubber as major ingredient so that this
Bright electrician's bag possesses the shock resistance of high-weatherability, high-insulativity and excellence, wear-resisting and tensile property；Butadiene-styrene rubber, neoprene rubber
Glue, fluoroether rubber compound under the cooperation of phenolic resin merges, and adds silane coupler simultaneously, makes to be formed firmly between rubber molecule
C-C key and further constitute " network structure ", on fluoroether rubber molecular backbone carbon atom link fluorine atom formed bond length short,
Bond energy great C-F key, and fluorine atom surrounds C-C major key thick and fast, protection main chain is not impacted, is destroyed further, makes
The present invention has preferable elasticity, intensity concurrently while possessing high durable performance and good shock resistance；Molybdenum bisuphide lamella it
Between there is more weak Van der Waals force (lubrication), absorption frictional force of easily riving so that the direct friction between rubber and rubber
Reform into the indirect friction between lamella, thus improve the wearability of rubber；Coordinate Graphene, Graphene large scale lamella simultaneously
Structure absorption sulfuration, extends time of scorch, improves the process safety of neoprene, coordinating between molybdenum bisuphide with Graphene,
Making intermolecular more firm, closely knit, make wearability further enhance, semi-reinforcing furnace black and calcinated argil are as reinforcing agent, it is possible to
In " network structure " that be sufficient filling with between rubber molecule, drastically increase the anti-wear performance of outer wear layer layer further, gold
Belong in " network structure " that magnesium powder is filled between rubber molecule, significantly improve the resistance to electrochemical corrosion energy of wearing layer.Silane
The use of coupling agent Si-69, can not only promote that above-mentioned reinforcing filler, metal magnesium powder are evenly distributed in the rubber of the present invention
In intermolecular " network structure ", meanwhile, it is capable to coordinate accelerator to form vulcanizing system, improving vulcanization characteristics, hot nitrogen blows
The dry contact area made between Graphene, semi-reinforcing furnace black, calcinated argil, magnesium powder, silane coupler and rubber increases, more preferably
Each play the reciprocity between each self-applying and component, improve the elasticity of outer wear layer layer, strengthen shock resistance.Rubber
In " network structure " between xanthan molecule under the protection of silane coupler Si-69, reinforcing filler, metal magnesium powder play maximum work
Effect, makes wearability and resistance to electrochemical corrosion can reach ultimate attainment.So that electrician wraps in possesses higher anti-wear performance, have simultaneously
Standby protection against the tide, light weight, wear-resistant, high temperature resistant, weather-proof, high insulating property.
Accompanying drawing explanation
Fig. 1 is the wear-resisting electrician's pack arrangement schematic diagram of power system of the present invention；
Fig. 2 is the power system cross-sectional view with wear-resisting electrician's bag inclusion of the present invention；
Wherein, 1, inclusion, 2, shoulder belt, 3, belt, 4, interior wearing layer, 5, nonwoven layer, 6, waterproof layer, 7, outer
Wearing layer.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention will be further described, but is not limited to this.
The raw materials used convenient source that is, commercial products in embodiment.
Embodiment 1
A kind of power system is wrapped with wear-resisting electrician, structure as shown in Figure 1 and Figure 2, including inclusion 1, shoulder belt 2 and belt 3,
The opening of described inclusion is along being provided with a circle insulation frame, and shoulder belt 2 is connected to inclusion 1 both sides, and belt 3 is positioned at described inclusion 1 lower end
Side, described belt is attached by the opposite side of velcro with inclusion, and described inclusion 1 includes interior wearing layer from the inside to the outside
4, nonwoven layer 5, waterproof layer 6 and outer wear layer 7, interior wearing layer 4 makes for tendon Bovis seu Bubali thin layer, and waterproof layer 6 is polrvinyl chloride
Waterproof layer, the thickness of outer wear layer 7 is 2mm, and outer wear layer raw material components is as follows, is weight portion:
52 parts of butadiene-styrene rubber, neoprene 28 parts, fluoroether rubber 25 parts, Graphene 2 parts, 14 parts of phenolic resin, silane
Coupling agent Si69 4 parts, semi-reinforcing furnace black 13 parts, calcinated argil 10 parts, magnesium powder 3 parts, nano molybdenum disulfide (MoS2) 6 parts,
1 part of phenylenediamine derivative class age resistor, zinc oxide 5 parts, dithio tetrabutyl thiuram 3 parts.
Above-mentioned outer wear layer material is to prepare by the following method, and step is as follows:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 2 hours prepared molybdenum bisuphide suspensions of ultrasonic stripping；
Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: 1:10, unit: g/ml；
(2) preheating banbury to 75 DEG C, puts into butadiene-styrene rubber, neoprene, fluoroether rubber, phenolic resin in banbury
Banburying 22min obtains rubber major ingredient, during play triangle bag 5-8 time, the rubber major ingredient obtained is cooled to 32 DEG C, add step
(1) the molybdenum bisuphide suspension prepared, is uniformly mixed, obtains mixture A；
(3) mixture A is joined in reflux, adds hexamethylene, be uniformly mixed, be heated to reflux hexamethylene,
Reflux 35 minutes, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of butadiene-styrene rubber are 4:1；
(4) hot nitrogen that solid mixture step (3) obtained uses temperature to be 78 DEG C dries up, and is transferred in reactor,
It is subsequently adding Graphene, semi-reinforcing furnace black, calcinated argil, magnesium powder, silane coupler, is heated under the atmosphere of nitrogen protection
55 DEG C, stirring reaction 120 minutes, obtain intermedium；
(5) in the intermedium obtained, add age resistor, zinc oxide, accelerator, proceed to after mix homogeneously in rubber mixing machine, refine glue
Temperature 95 DEG C, refines 25 minutes glue time, and discharging after sulfuration in vulcanizer put into by the sizing material after refining glue, and primary vulcanization temperature is
180 DEG C, cure time 15 minutes, then heat to 220 DEG C, carry out second time and vulcanize, cure time is 8 minutes for the second time,
Prepare outer wear layer layer material.
Embodiment 2
Wrapping with the electrician described in embodiment 1, difference is,
Outer wear layer layer raw material components is as follows, is weight portion:
58 parts of butadiene-styrene rubber, neoprene 32 parts, fluoroether rubber 23 parts, Graphene 5 parts, 5 parts of phenolic resin, silane is even
Connection agent Si69 8 parts, semi-reinforcing furnace black 15 parts, calcinated argil 12 parts, magnesium powder 4 parts, nano molybdenum disulfide (MoS2) 7 parts,
8 parts of phenylenediamine derivative class age resistor, zinc oxide 5 parts, dithio tetrabutyl thiuram 4 parts.
Above-mentioned outer wear layer material is to prepare by the following method, and step is as follows:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 2 hours prepared molybdenum bisuphide suspensions of ultrasonic stripping；
Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: 1:20, unit: g/ml；
(2) preheating banbury to 75 DEG C, puts into butadiene-styrene rubber, neoprene, fluoroether rubber, phenolic resin in banbury
Banburying 24min obtains rubber major ingredient, during play triangle bag 5-8 time, the rubber major ingredient obtained is cooled to 35 DEG C, add step
(1) the molybdenum bisuphide suspension prepared, is uniformly mixed, obtains mixture A；
(3) mixture A is joined in reflux, adds hexamethylene, be uniformly mixed, be heated to reflux hexamethylene,
Reflux 35 minutes, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of butadiene-styrene rubber are 2:1；
(4) hot nitrogen that solid mixture step (3) obtained uses temperature to be 78 DEG C dries up, and is transferred in reactor,
It is subsequently adding Graphene, semi-reinforcing furnace black, calcinated argil, magnesium powder, silane coupler, is heated under the atmosphere of nitrogen protection
58 DEG C, stirring reaction 120 minutes, obtain intermedium；
(5) in the intermedium obtained, add age resistor, zinc oxide, accelerator, proceed to after mix homogeneously in rubber mixing machine, refine glue
Temperature 98 DEG C, refines 20 minutes glue time, and discharging after sulfuration in vulcanizer put into by the sizing material after refining glue, and primary vulcanization temperature is
180 DEG C, cure time 15 minutes, then heat to 220 DEG C, carry out second time and vulcanize, cure time is 8 minutes for the second time,
Prepared outer wear layer material.
Claims (10)
1. a power system is wrapped with wear-resisting electrician, including inclusion, shoulder belt and belt, is provided with a circle on the opening edge of described inclusion
Insulation frame, shoulder belt is connected to inclusion both sides, and belt is positioned at side, described inclusion lower end, and described belt passes through velcro and inclusion
Opposite side be attached, described inclusion includes interior wearing layer, nonwoven layer, waterproof layer and outer wear layer from the inside to the outside, interior resistance to
Mill layer is that tendon Bovis seu Bubali thin layer is made, and waterproof layer is polrvinyl chloride waterproof layer, and outer wear layer raw material components is as follows, is weight portion:
Butadiene-styrene rubber 40-60 part, neoprene 20-40 part, fluoroether rubber 23-26 part, Graphene 0.1-15 part, phenolic aldehyde tree
Fat 13-15 part, silane coupler 1-10 part, semi-reinforcing furnace black 12-15 part, calcinated argil 10-12 part, magnesium powder 1-5 part,
Nano molybdenum disulfide (MoS2) 5-7 part, age resistor 1-10 part, zinc oxide 4～8 parts, accelerator 1-5 part.
Power system the most according to claim 1 is wrapped with wear-resisting electrician, it is characterised in that described outer wear layer layer thickness
For 2-5mm.
Power system the most according to claim 1 is wrapped with wear-resisting electrician, it is characterised in that semi-reinforcing furnace black, calcinated argil,
The particle diameter of magnesium powder is 80-90nm, and described butadiene-styrene rubber is newborn poly-butylbenzene, the trade mark 1502.
Power system the most according to claim 1 is wrapped with wear-resisting electrician, it is characterised in that described silane coupler is
Si69、Si747、KH550、KH560、KH570；Preferably, described silane coupler is Si69.
Power system the most according to claim 1 is wrapped with wear-resisting electrician, it is characterised in that described age resistor is that amine is prevented
Old agent or phenol antiager, it is preferred that described age resistor is p-phenylene diamine derivative's class age resistor.
Power system the most according to claim 1 is wrapped with wear-resisting electrician, it is characterised in that described accelerator is dithio
Tetrabutyl thiuram.
Power system the most according to claim 1 is wrapped with wear-resisting electrician, it is characterised in that described outer wear layer raw material group
Point as follows, it is weight portion:
Butadiene-styrene rubber 50-55 part, neoprene 20-30 part, fluoroether rubber 24-26 part, Graphene 2-7 part, phenolic resin
13-14 part, silane coupler 1-8 part, semi-reinforcing furnace black 12-13 part, calcinated argil 10-12 part, magnesium powder 1-3 part, nanometer
Molybdenum bisuphide (MoS2) 5-8 part, age resistor 1-7 part, zinc oxide 4～6 parts, accelerator 1-3 part.
Power system the most according to claim 1 is wrapped with wear-resisting electrician, it is characterised in that above-mentioned outer wear layer material is
Preparing by the following method, step is as follows:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 1-5 hour prepared molybdenum bisuphide suspension of ultrasonic stripping；
Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: (1-15): 100, unit: g/ml；
(2) preheating banbury to 70-80 DEG C, puts into banbury by butadiene-styrene rubber, neoprene, fluoroether rubber, phenolic resin
Middle banburying 22-24min obtains rubber major ingredient, during play triangle bag 5-8 time, the rubber major ingredient obtained is cooled to 30-35 DEG C,
Add the molybdenum bisuphide suspension that step (1) prepares, be uniformly mixed, obtain mixture A；
(3) mixture A is joined in reflux, adds hexamethylene, be uniformly mixed, be heated to reflux hexamethylene,
Reflux 30-40 minute, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of butadiene-styrene rubber are (8-10): (2-5)；
(4) solid mixture step (3) obtained uses hot nitrogen to dry up, and is transferred in reactor, is subsequently adding graphite
Alkene, semi-reinforcing furnace black, calcinated argil, magnesium powder, silane coupler, be heated to 50-60 DEG C under the atmosphere of inert gas shielding,
Stirring reaction 120-150 minute, obtains intermedium；
(5) in the intermedium obtained, add age resistor, zinc oxide, accelerator, proceed to after mix homogeneously in rubber mixing machine, refine glue
Temperature 90-100 DEG C, refines 20-30 minute glue time, and discharging after sulfuration in vulcanizer put into by the sizing material after refining glue, prepares outer wear-resisting
Layer material.
Power system the most according to claim 8 is wrapped with wear-resisting electrician, it is characterised in that in step (4), described heat
The temperature of nitrogen is 70-80 DEG C, and described noble gas is nitrogen or argon, and the mixing speed of stirring reaction is 80-100 rev/min.
Power system the most according to claim 8 is wrapped with wear-resisting electrician, it is characterised in that in step (5), sulfuration
Condition is for vulcanize at twice, and primary vulcanization temperature is 180-190 DEG C, and cure time 10-20 minute then heats to
220-240 DEG C, carrying out second time and vulcanize, cure time is 7-10 minute for the second time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304942.8A CN105778188A (en) | 2016-05-09 | 2016-05-09 | Wear-resistant electrician bag for power systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304942.8A CN105778188A (en) | 2016-05-09 | 2016-05-09 | Wear-resistant electrician bag for power systems |
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| Publication Number | Publication Date |
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| CN105778188A true CN105778188A (en) | 2016-07-20 |
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ID=56401887
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610304942.8A Pending CN105778188A (en) | 2016-05-09 | 2016-05-09 | Wear-resistant electrician bag for power systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111053347A (en) * | 2019-12-19 | 2020-04-24 | 瑞安市浙华箱包配件有限公司 | Preparation method of draw-bar box |
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| CN102304240A (en) * | 2011-10-11 | 2012-01-04 | 无锡宝通带业股份有限公司 | Heat-resistant and wear-resistant conveyor belt covering rubber and preparation method thereof |
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| CN111053347A (en) * | 2019-12-19 | 2020-04-24 | 瑞安市浙华箱包配件有限公司 | Preparation method of draw-bar box |
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Application publication date: 20160720 |