CN110450445A - A kind of composite foamed (exempts to inflate) production process of rubber tyre - Google Patents
A kind of composite foamed (exempts to inflate) production process of rubber tyre Download PDFInfo
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- CN110450445A CN110450445A CN201910758880.1A CN201910758880A CN110450445A CN 110450445 A CN110450445 A CN 110450445A CN 201910758880 A CN201910758880 A CN 201910758880A CN 110450445 A CN110450445 A CN 110450445A
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- rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/02—Solid tyres ; Moulds therefor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2317/00—Characterised by the use of reclaimed rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2407/00—Characterised by the use of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Tires In General (AREA)
Abstract
The present invention relates to non-aerated rubber tyre equipment technical field, the production process that a kind of composite foamed (exempts to inflate) rubber tyre is provided, is included the following steps, the production of foamed material；The production of tyre surface material；The production of foamed strip；The production of Composite rubber material；The embryo material of composite foamed rubber tyre makes；Integration vulcanization；Die sinking.The present invention overcomes the deficiencies in the prior art, design is reasonable, it is compact-sized, solving existing injection shape non-inflatable tyre expansion ratio and being difficult to control causes tire force not uniform enough, and foaming layer is easy to fall off with tire tread, the expensive problem of foaming agent, the present invention is the foamed material of reclaimed rubber by using main component, reduce the cost of tire, it is combined with each other foamed strip and tyre surface material to form MULTILAYER COMPOSITE sizing material by compounding machine simultaneously, tire is formed by subsequent integration vulcanization again, contact foamed strip with tyre surface material even closer, improve the bearing capacity of tire.
Description
Technical field
The present invention relates to non-aerated rubber tyre equipment technical fields, and in particular to a kind of composite foamed (exempts to inflate) rubber
The production process of rubber tire tire.
Background technique
Tire is the annular elastic rubber product that the ground connection in various vehicles or mechanically assembled rolls, with China's vapour
The demand of the fast development of turner industry, mining industry, coal mining industry, metal smelt industry, tire is also increasing, and to its quality
Requirement it is also higher and higher.
Overwhelming majority tires use inflatable tire, these tires good damping result when in use, walking resistance ratio at present
It is lower, but there is also significant limitations, such as are easy to be punctured by sharp objects, so that causing serious accident, Er Qiechong
The load-bearing of air filled tyre is poor, is not suitable for military, and the scope of application is lower.
There are also small parts to use non-inflatable tyre, these non-inflatable tyres are all by way of injection, to tyre surface mostly
Interior foam-injection material, foamed material are generally polyurethane, reach by the way that polyurethane foam material is substituted traditional inner tube of a tyre and exempt to fill
Gas solid tyre.
There are the following problems in actual use for this inflation-free solid tyre:
1, polyurethane foams expansion ratio is difficult to control, if expansion ratio is excessive, tyre surface expansion is easy to cause to split,
It is insufficient similar to inflatable tire air pressure if expansion ratio is too small, lead to discontinuity, influences dynamic balancing, Er Qiefa
Not uniform enough to the active force of tire tread when bubble, it is not full enough to will lead to tire tread, also results in tire when in use
Discontinuity influences dynamic balancing.
2, foaming layer and tire tread contact defective tightness in foaming, and contact effect is bad to be easy to appear what removing was detached from
Situation is not suitable for the tire requirement of 20 yards of speed or more.
3 and polyurethane material it is expensive, cause this solid tyre price very high, be not easy to implement.
For this purpose, it is proposed that a kind of composite foamed (exempts to inflate) production process of rubber tyre.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides the production systems that a kind of composite foamed (exempts to inflate) rubber tyre
Make technique, overcome the deficiencies in the prior art, design is rationally, compact-sized, avoid existing inflatable tire bearing capacity compared with
It is low, be easy to appear the problem of blowing out, while also solve existing injection shape non-inflatable tyre expansion ratio be difficult to control cause
Tire force is not uniform enough, and foaming layer is easy to fall off with tire tread, and the expensive problem of foaming agent, the present invention passes through
It uses main component for the foamed material of reclaimed rubber, reduces the cost of foaming agent, while passing through compounding machine for foamed strip and tire
Fabric is combined with each other to form MULTILAYER COMPOSITE sizing material, then forms tire by subsequent vulcanization again, makes foamed strip and tyre surface material
It contacts even closer, prevents from being detached from, and be more uniformly stressed, improve bearing capacity, avoid the case where blowing out.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of composite foamed (exempts to inflate) production process of rubber tyre, which comprises the following steps:
The production of foamed material: step 1 reclaimed rubber, natural gum, foaming agent, rubber chemicals and vulcanizing agent is set in mixing
It is standby upper, foaming bar material is fabricated to by mixing；
The production of tyre surface material: step 2 natural gum, synthetic rubber, rubber chemicals and rubber plastic and vulcanizing agent is existed
Mixing equipment makes tyre surface material into strips after over-mastication, mixing；
The production of foamed strip: foamed material made of step 1 is squeezed into hollow strip by Rubber Extruder by step 3
Foamed strip；
The production of Composite rubber material: step 4 foamed strip made of step 3 is placed in inside compounding machine, by step 2 tyre surface
In material merging Rubber Extruder, the tyre surface material in Rubber Extruder is squeezed to compounding machine, is made in tyre surface material and compounding machine
The foamed strip in portion carries out disposal multi-layer and is compounded to form Composite rubber material, is squeezed out Composite rubber material in abnormity sky by rubber extruder
The Composite rubber material of heart strip；
Step 5, the embryo material production of composite foamed rubber tyre: by the compound of the hollow strip of abnormity made of step 4
Sizing material Length-fixing cutting again forms annular by the both ends of the Composite rubber material of the hollow strip of abnormity by hot joint machine docking closure
The embryo material of composite foamed rubber tyre；
Integration vulcanization: the embryo material of composite foamed rubber tyre made of step 5 is placed in combined pressure formula wheel by step 6
Integrated vulcanization is carried out in placenta；
During integration vulcanization: allowing crown, casing and tire root to be full of whole inner walls of tire-mold, formed complete close
The rubber tyre closed；
During integration vulcanization: foamed strip in the case where continuous be heated, the foaming agent in foamed strip start by
It gradually foams, is finally full of the inner cavity of entire rubber tyre, formation is solid or there are a little vacancy；
During integration vulcanization: being being total to for rubber using the foamed strip of step 3 and the tyre surface material of step 2
Property, glue connection merges under the action of vulcanizing agent, after vulcanizing the outer surface of foamed strip with the inner wall of tyre surface material, is integrally formed
The composite foamed of change (exempts to inflate) rubber tyre；
Step 7, die sinking: after step 6 integration vulcanization, tire finished product is taken out in die sinking.
Further, in the step 1, when being kneaded, at 150 DEG C -170 DEG C, air pressure setting exists temperature setting
0.5MPa-1MPa。
Further, in the step 2, when being kneaded, at 150 DEG C -170 DEG C, air pressure setting exists temperature setting
0.5MPa-1MPa。
Further, the foamed material in the step 1 includes the raw material of following parts by weight: 100 parts of reclaimed rubber, natural
10 parts of glue, 4 parts of foaming agent, 8 parts of rubber chemicals, 3 parts of vulcanizing agent.
It further, further include fire retardant in the foamed material in the step 1.
Further, the tyre surface material in the step 2 includes the raw material of following parts by weight: 60 parts of natural gum, synthetic rubber
40 parts, 8 parts of rubber chemicals, 3.5 parts of rubber plastic, 3 parts of vulcanizing agent.
Further, the tyre surface material in the step 2 further includes fibrous material and fire retardant.
Further, in the step 4, the temperature setting in compounding machine is at 60 DEG C -120 DEG C.
Further, in the step 6 in sulfidation, temperature setting is at 155 DEG C -165 in combined pressure formula tire-mold
DEG C, air pressure is arranged in 6MPa-10MPa.
Further, in the step 6 in sulfidation, vulcanization time was controlled within 50 minutes.
(3) beneficial effect
The embodiment of the invention provides the production process that a kind of composite foamed (exempts to inflate) rubber tyre.Have with
It is lower the utility model has the advantages that
1, it can be improved bearing capacity, make the fuller high resilience of tire tread, be more uniformly stressed simultaneously, improve dynamic flat
Weigh effect.Use main component for the foamed material of reclaimed rubber, expansion ratio stabilization facilitates control, and foamed strip in foaming
It is close to tyre surface material, during foaming, the power that tyre surface material is subject to is more uniform, keeps tire tread fuller, has elasticity；
But also the performance of tire can be determined according to the length of time that foamed strip foams, when foamed strip foamed time is longer, this
When tyre cavity be solid state, bearing capacity can be improved, when foamed strip foamed time is shorter, tyre cavity stays a little sky at this time
Position, slightly reduction bearing capacity, but elastic property can be improved.
2, that foamed strip can be made to contact with tyre surface material is even closer, prevents from being detached from and remove.By vulcanizing agent in same sulphur point
Sulfurization under, the appearance of foamed strip carries out vulcanization post-crosslinking with the inner wall of tyre surface material and merge, improves and contacts effect, anti-anti-avulsion
From.
3, it uses main component for the foamed material of reclaimed rubber, reduces the overall price of tire, can be realized resource and return
It is more environmentally-friendly to receive recycling, moreover it is possible to reduce economic cost.
4, due to replacing traditional inflatable inner tube using foamed material, the risk blown out is avoided.
5, by being added to fire retardant in foamed material and tyre surface material, flame retardant effect is improved, improves security performance, simultaneously
Also conveniently apply to military industry field, while being added to rubber plastic and fibrous material in tyre surface material, improve mechanical strength and
Tearing strength improves bearing capacity, is suitable for heavy mechanical equipment, improves the scope of application.
6, it is foamed and is crosslinked within the same time of vulcanization, improve the production efficiency of tire.
Detailed description of the invention
Fig. 1 present invention process flow diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Referring to attached drawing, a kind of composite foamed (exempts to inflate) production process of rubber tyre, which is characterized in that including
Following steps:
The production of foamed material: based on reclaimed rubber (100 parts), while natural gum (10 parts), hair is added in step 1 S1
Infusion (4 parts), rubber chemicals (8 parts) and vulcanizing agent (3 parts) in mixing equipment, 150 DEG C -170 DEG C of temperature and
It is fabricated to foaming bar materials for later use by mixing under the air pressure of 0.5MPa-1MPa, uses main component for the hair of reclaimed rubber
Foam material it is more environmentally-friendly to can be realized resource reclaim recycling, moreover it is possible to reduce economic cost.
Step 2 S2, the production of tyre surface material: by natural gum (60 parts), synthetic rubber (40 parts), rubber chemicals (8 parts), rubber
Glue plastics (3.5 parts) and vulcanizing agent (3 parts) in mixing equipment, 150 DEG C -170 DEG C at a temperature of and in 0.5MPa-1MPa
Air pressure under, it is spare to make tyre surface material into strips after over-mastication, mixing, and rubber plastic therein uses high-phenylethylene, can
Improve the mechanical strength and tearing strength of tire.
The production of foamed strip: step 3 S3 foamed material made of step 1 S1 is squeezed by Rubber Extruder hollow
The foamed strip of strip；
The production of Composite rubber material: step 4 S4 foamed strip made of step 3 S3 is placed in inside compounding machine, in compounding machine
Step 2 S2 tyre surface material is placed in Rubber Extruder, at 60 DEG C -120 DEG C by the tire in Rubber Extruder by the temperature setting in portion
Fabric is squeezed to compounding machine, so that the foamed strip inside tyre surface material and compounding machine is carried out disposal multi-layer and is compounded to form compound adhesive
Material, by rubber extruder by Composite rubber material extrusion in the Composite rubber material of the hollow strip of abnormity.
Step 5 S5, the embryo material production of composite foamed rubber tyre: by the hollow strip of abnormity made of step 4 S4
Composite rubber material Length-fixing cutting again forms ring by the both ends of the Composite rubber material of the hollow strip of abnormity by hot joint machine docking closure
The embryo material of the composite foamed rubber tyre of shape；
Integration vulcanization: step 6 S6 will be heated to 155 DEG C -165 DEG C, air pressure setting exists in combined pressure formula tire-mold
After 6MPa-10MPa, it will be carried out in the embryo material merging combined pressure formula tire-mold of composite foamed rubber tyre made of step 5 S5
Integration vulcanization, vulcanization time controlled within 50 minutes.
During integration vulcanization: according to the production requirement of different size tire, crown, casing and tire root being allowed to be full of
Whole inner walls of tire-mold, form the rubber tyre of totally-enclosed；
During integration vulcanization: foamed strip in the case where continuous be heated, the foaming agent in foamed strip start by
It gradually foams, is finally full of the inner cavity of entire tire, formation is solid or there are a little vacancy, uses main component for reclaimed rubber
Foamed material in foaming expansion ratio stablize and facilitate control, and foamed strip abutting tyre surface material, during foaming, tyre surface
Expect that the power being subject to is more uniform, keep tire tread fuller, there is elasticity；But also the time that can be foamed according to foamed strip
Length determines the performance of tire, and when foamed strip foamed time is longer, tyre cavity is solid state at this time, can be improved and hold
Power is carried, when foamed strip foamed time is shorter, tyre cavity stays a little vacancy, slightly reduction bearing capacity at this time, but can improve elasticity
Performance；
During integration vulcanization: being rubber using the foamed strip of step 3 S3 and the tyre surface material of step 2 S2
General character can be crosslinked and be fused together by the sulfurization of vulcanizing agent at a certain temperature between rubber and rubber, the company of raising
Effect is connect, so that the composite foamed for being integrally formed (exempts to inflate) rubber tyre, foamed strip is contacted with tyre surface material and more steps up
It is close, it prevents from being detached from and remove.
Step 7 S7, die sinking: after step 6 S6 integration vulcanization, tire finished product is taken out in die sinking.
Further include fire retardant in the foamed material in step 1 S1 in the present embodiment, there is flame retardant effect, improves safety
Can, conveniently apply to military industry field.
In the present embodiment, the tyre surface material in step 2 S2 further includes fibrous material and fire retardant, is added in tyre surface material fire-retardant
Agent improves security performance again, prevents combustion damage, while by the way that fibrous material is added, can be improved the intensity of tyre surface, improving
Bearing capacity.
It is combined with each other foamed strip and tyre surface material to form MULTILAYER COMPOSITE sizing material by compounding machine, then again by subsequent
Integration vulcanization forms tire, high in machining efficiency, while it is even closer not easily to fall off to contact foamed strip with tyre surface material, foaming times
Rate facilitates control to keep tire dynamic and balance effect more preferable, and bearing capacity is higher, simultaneously because using main component for the hair of reclaimed rubber
Foam material keeps the economic cost of tire lower, while also more environmentally-friendly.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. the production process that a kind of composite foamed (exempts to inflate) rubber tyre, which comprises the following steps:
Step 1, the production of foamed material: by reclaimed rubber, natural gum, foaming agent, rubber chemicals and vulcanizing agent in mixing equipment
On, foaming bar material is fabricated to by mixing；
Step 2, the production of tyre surface material: by natural gum, synthetic rubber, rubber chemicals and rubber plastic and vulcanizing agent in mixing
Equipment makes tyre surface material into strips after over-mastication, mixing；
The production of foamed strip: foamed material made of step 1 is squeezed into the hair of hollow strip by step 3 by Rubber Extruder
Steep item；
The production of Composite rubber material: step 4 foamed strip made of step 3 is placed in inside compounding machine, step 2 tyre surface material is set
Enter in Rubber Extruder, the tyre surface material in Rubber Extruder is squeezed to compounding machine, makes inside tyre surface material and compounding machine
Foamed strip carries out disposal multi-layer and is compounded to form Composite rubber material, is squeezed out Composite rubber material in special-shaped hollow strips by rubber extruder
The Composite rubber material of shape；
Step 5, the embryo material production of composite foamed rubber tyre: by the Composite rubber material of the hollow strip of abnormity made of step 4
Length-fixing cutting again forms the compound of annular by the both ends of the Composite rubber material of the hollow strip of abnormity by hot joint machine docking closure
The embryo material of type blown rubber tire；
Integration vulcanization: the embryo material of composite foamed rubber tyre made of step 5 is placed in combined pressure formula tyre mould by step 6
Integrated vulcanization is carried out in tool；
During integration vulcanization: allowing crown, casing and tire root to be full of whole inner walls of tire-mold, form totally-enclosed
Rubber tyre；
During integration vulcanization: in the case where continuous heated, the foaming agent in foamed strip starts gradually to send out foamed strip
Bubble is finally full of the inner cavity of entire rubber tyre, and formation is solid or there are a little vacancy；
During integration vulcanization: being the general character of rubber, In using the foamed strip of step 3 and the tyre surface material of step 2
Under the action of vulcanizing agent, glue connection is merged after vulcanizing the outer surface of foamed strip with the inner wall of tyre surface material, being integrally formed
Composite foamed (exempts to inflate) rubber tyre；
Step 7, die sinking: after step 6 integration vulcanization, tire finished product is taken out in die sinking.
2. a kind of composite foamed as described in claim 1 (exempts to inflate) production process of rubber tyre, feature exists
In: in the step 1, when being kneaded, at 150 DEG C -170 DEG C, air pressure is arranged in 0.5MPa-1MPa temperature setting.
3. a kind of composite foamed as described in claim 1 (exempts to inflate) production process of rubber tyre, feature exists
In: in the step 2, when being kneaded, at 150 DEG C -170 DEG C, air pressure is arranged in 0.5MPa-1MPa temperature setting.
4. a kind of composite foamed as described in claim 1 (exempts to inflate) production process of rubber tyre, feature exists
In: the foamed material in the step 1 includes the raw material of following parts by weight: 100 parts of reclaimed rubber, 10 parts of natural gum, foaming agent 4
Part, 8 parts of rubber chemicals, 3 parts of vulcanizing agent.
5. a kind of composite foamed as described in claim 1 or 4 (exempts to inflate) production process of rubber tyre, feature
It is: further includes fire retardant in the foamed material in the step 1.
6. a kind of composite foamed as described in claim 1 (exempts to inflate) production process of rubber tyre, feature exists
In: the tyre surface material in the step 2 includes the raw material of following parts by weight: 60 parts of natural gum, 40 parts of synthetic rubber, rubber chemicals 8
Part, 3.5 parts of rubber plastic, 3 parts of vulcanizing agent.
7. a kind of composite foamed as described in claim 1 or 6 (exempts to inflate) production process of rubber tyre, feature
Be: the tyre surface material in the step 2 further includes fibrous material and fire retardant.
8. a kind of composite foamed as described in claim 1 (exempts to inflate) production process of rubber tyre, feature exists
In: in the step 4, the temperature setting in compounding machine is at 60 DEG C -120 DEG C.
9. a kind of composite foamed as described in claim 1 (exempts to inflate) production process of rubber tyre, feature exists
In: in the step 6 in sulfidation, at 155 DEG C -165 DEG C, air pressure setting exists temperature setting in combined pressure formula tire-mold
6MPa-10MPa。
10. a kind of composite foamed as described in claim 1 (exempts to inflate) production process of rubber tyre, feature exists
In: in the step 6 in sulfidation, vulcanization time was controlled within 50 minutes.
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| CN111873716A (en) * | 2020-08-05 | 2020-11-03 | 江苏中鸿坦达橡胶科技有限公司 | Integrated vulcanized non-pneumatic tire without steel wires and cord fabric |
| CN111873717A (en) * | 2020-08-05 | 2020-11-03 | 江苏中鸿坦达橡胶科技有限公司 | Integrated vulcanized non-pneumatic rubber tire without steel wires and cord fabric |
| CN111890713A (en) * | 2020-08-05 | 2020-11-06 | 江苏中鸿坦达橡胶科技有限公司 | Production and manufacturing process of composite type foaming inflation-free rubber tire |
| CN112574476A (en) * | 2020-11-19 | 2021-03-30 | 陈国珍 | Inflation-free tire and processing technology |
| WO2022161995A1 (en) * | 2021-01-29 | 2022-08-04 | Basf Se | Process for the manufacturing of a composite material |
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| CN111873716A (en) * | 2020-08-05 | 2020-11-03 | 江苏中鸿坦达橡胶科技有限公司 | Integrated vulcanized non-pneumatic tire without steel wires and cord fabric |
| CN111873717A (en) * | 2020-08-05 | 2020-11-03 | 江苏中鸿坦达橡胶科技有限公司 | Integrated vulcanized non-pneumatic rubber tire without steel wires and cord fabric |
| CN111890713A (en) * | 2020-08-05 | 2020-11-06 | 江苏中鸿坦达橡胶科技有限公司 | Production and manufacturing process of composite type foaming inflation-free rubber tire |
| WO2022028485A1 (en) * | 2020-08-05 | 2022-02-10 | 江苏中鸿坦达橡胶科技有限公司 | Integrated vulcanized inflation-free rubber tire without steel wire and cord fabric |
| CN112574476A (en) * | 2020-11-19 | 2021-03-30 | 陈国珍 | Inflation-free tire and processing technology |
| WO2022161995A1 (en) * | 2021-01-29 | 2022-08-04 | Basf Se | Process for the manufacturing of a composite material |
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Effective date of registration: 20200605 Address after: No.227, Xiwan, Dajishan community, Liyuan street, Binhu District, Wuxi City, Jiangsu Province Applicant after: Yuan Zheng Address before: No. 227, Xiwan, Dajishan community, Liyuan street, Binhu District, Wuxi City, Jiangsu Province Applicant before: Yuan Zheng Applicant before: SUNTOP TIRE (WUXI) Co.,Ltd. |
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Effective date of registration: 20200714 Address after: Room 212, block C, Xidong Chuang Rong building, 88 Danshan Road, anzhen street, Xishan District, Wuxi City, Jiangsu Province Applicant after: Jiangsu Zhonghong Tanda Rubber Technology Co.,Ltd. Address before: No.227, Xiwan, Dajishan community, Liyuan street, Binhu District, Wuxi City, Jiangsu Province Applicant before: Yuan Zheng |
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Application publication date: 20191115 |