CN105922821B - A kind of all-steel radial tyre and its manufacturing process for being used to improve load performance - Google Patents
A kind of all-steel radial tyre and its manufacturing process for being used to improve load performance Download PDFInfo
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- CN105922821B CN105922821B CN201610172691.2A CN201610172691A CN105922821B CN 105922821 B CN105922821 B CN 105922821B CN 201610172691 A CN201610172691 A CN 201610172691A CN 105922821 B CN105922821 B CN 105922821B
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- infantees
- steel wire
- glue
- carcass
- steel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
-
- 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
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
Abstract
The invention discloses a kind of all-steel radial tyre and its manufacturing process for being used to improve load performance, laminating is provided with breaker strip on the inside of carcass, laminating is provided with steel wire infantees on the outside of carcass, steel wire infantees type glue, steel wire infantees bound edge connects as one formula structure with steel wire infantees application respectively, the both sides of steel wire infantees are fitted respectively is provided with interior bag nylon infantees and outsourcing nylon infantees, lower filling glue and wire loop composite members be pushed to steel wire infantees enclosing into matrix body tube on the position specified, carcass positive closure is sealed, matrix body tube after positive closure carries out anti-package sealing by upper filling glue, pad glue is provided with the outside of matrix body tube after anti-package, sidewall rubber is provided with the outside of pad glue.Using brand-new big footpath moulding process, the characteristics of with high accuracy, high efficiency, high automaticity, tyre load performance can be effectively improved, reduce circle portion heat, avoid tire earlier period damage, sizing material breach can be prevented, the earlier period damage symptom that carcass and filling glue depart from tire used is can effectively solve the problem that.
Description
Technical field
The invention belongs to all-steel radial tyre production technical field, and in particular to a kind of to be used to improve the complete of load performance
Steel radial and its manufacturing process.
Background technology
Load performance：Tire is capable of the ability of bearing load normally travel, referred to as load performance.Tire being capable of bearing load
Normally travel, is one of basic function of tire, the also known as size of bearing load, load performance.Every kind of specification tyre it is negative
Load performance is related to air pressure, such as the load of common British system specification is calculated：
L=K × 0.425 × (P-15)0.585×S0.625 1.39×(Dr+S0.625)
Wherein L is single tire load (kg), and P is air pressure (kPa)
It is standard list tire load to calculate obtain according to standard pressure, the use load of tire should single tire load it
Under.
According to GB/T 2977, the use load of tire is also related to operating speed, and under low speed use condition, tire is born
Load can be improved, can be higher by 25% than standard list tire load under 40km/h.Speed is lower, and load performance is higher.
Tyre load is higher, and it deforms bigger in travelling, and heat is higher, is easily damaged in circle portion.Existing all-steel meridian
The line wheel tire overwhelming majority is only applicable to use under gauge load, in the case where loading height easily in circle portion earlier period damage.
The existing all-steel radial tyre overwhelming majority is only applicable to use under gauge load, the higher tire of load performance
It is tubed tyre, the present invention be directed to tubed tyre.
Tubed tyre improves load performance, mostly using the enhanced construction design method of nylon infantees, common nylon
Infantees Enhancement Method have 3 kinds (the 1st kind of reinforcement Structure Figure in such as accompanying drawing, the 2nd kind of reinforcement Structure Figure, the 3rd kind
Reinforcement Structure Figure).1st kind of reinforcement, nylon infantees covers the anti-package part of whole carcass ply and steel wire infantees,
And upwardly extend larger, turn into entirety with sidewall.Sidewall rubber is isotropic material, sticks on after nylon infantees, turns into
Anisotropic material, it is especially big along nylon cord direction intensity, tear-resistant, warping strength performance has been greatly reinforced, can be effectively
Prevent sidewall rubber from tearing, so as to prevent rim of the mouth from splitting.This reinforcement method for steel wire at carcass ply anti-package end points and rubber because
The crackle formed by continuous Compression and Expansion has a better role.But crackle can still postpone to produce, and still can after generation
Expand, as bead separation.
2nd kind of reinforcement, improves bag height in steel wire infantees, and enhancing circle portion rigidity reduces the deformation of circle portion.Interior bag height
It is very high, very big, very easy rim of the mouth implosion is deflected at interior bag end points, therefore use bag end points in two layers of nylon infantees banding steel wire infantees.
3rd kind of reinforcement, bag in steel wire infantees, at anti-package end points all adds nylon infantees, improve this at two it is warping strength,
Shearing, the ability of Compression and Expansion deformation.The modulus of elasticity of nylon infantees is between steel wire and rubber, and can effectively alleviate should
Power, reduces strain, heat is reduced, so as to improve resistance to load.
However, although this 3 kinds of nylon Strengthening Technologies have certain effect for improving load performance, still not up to user
It is required that, in the case where travel speed is slightly higher, earlier period damage is a lot.
This 3 kinds of technologies are produced using one-stage building process, and once-through method shaping uses aeration settling and anti-package, positioning parts
It can be changed after anti-package.Also there is tire construction (the 4th kind of reinforcement in such as accompanying drawing produced using secondary method moulding process the country
Method Structure Figure, the 5th kind of reinforcement Structure Figure).4th kind of reinforcement, steel wire infantees turn up height is than carcass anti-package
Height, has one piece of type glue to be used for separating two anti-package end points, can buffer between two anti-package end points between steel wire infantees and carcass
Shearing force.Just because of there is one piece of type glue between steel wire infantees and carcass, it can be deformed using once-through method craft type glue inflation anti-package,
Therefore use secondary method technique.5th kind of reinforcement, is also to use in secondary method technique, steel wire infantees to have sticked on 2 layers at bag end points
Nylon infantees.
Existing nylon Strengthening Technology, mostly be using one-stage building process production, once-through method radial into
The influence of the setting of type technological parameter and physical unit positioning to final product quality is very notable, each positioning parts and biography on assembly drum
Ring positioning is passed, easily occurs deviation, causes the mass defects such as infantees displacement, anti-package deviation, serious can possibly even cause into
The phenomenons such as the skew of unreal or position, framework material stretcher strain are pressed during type.Plus forming machine due to tire specification change frequently,
Continuous property production, device parameter is also required to often be adjusted, and mechanical structure is more complicated, and moving component is more, easily break down with
Positioning parts precision not enough, directly affects product quality.The tire used under load higher strip part is higher to technological requirement, part
The deviation of positioning can directly result in the earlier period damage of tire.
Existing the 4th kind, the 5th kind reinforcement method using secondary method moulding process, its nylon infantees is pasted around wire loop
Close, wire loop base material is excessive during shaping, easily chokes with resentment when positive closure and anti-package, makes tire earlier period damage.
The content of the invention
For problems of the prior art, it is used to improve the complete of load performance it is an object of the invention to provide a kind of
Steel radial and its manufacturing process, are big footpath moulding process using brand-new structure and manufacturing process, are also secondary method life
One kind of production. art, the tire higher applied to load performance, in the case where loading higher use condition, reduces wheel bead part deformation
Construction design method and manufacturing process, pass through and reduce wheel bead part and deform, reduction circle portion heat, it is to avoid tire earlier period damage.
The technical scheme that the present invention takes is：
A kind of all-steel radial tyre for being used to improve load performance, including carcass, steel wire infantees, interior outsourcing nylon bag
Cloth, breaker strip, steel wire infantees type glue, steel wire infantees bound edge, upper filling glue, lower filling glue and wire loop composite members, pad glue, tire
Laminating, which is provided with to fit on the outside of breaker strip, carcass, on the inside of side glue, the carcass is provided with steel wire infantees, steel wire infantees type glue,
Steel wire infantees bound edge connects as one formula structure with steel wire infantees application respectively, the both sides of steel wire infantees are fitted respectively be provided with
Bag nylon infantees and outsourcing nylon infantees, lower filling glue and wire loop composite members be pushed to steel wire infantees enclosing into matrix body tube on
Matrix body tube after the position specified, the sealing of carcass positive closure, positive closure carries out the matrix body tube after anti-package sealing, anti-package by upper filling glue
Outside is provided with the outside of pad glue, pad glue and is provided with sidewall rubber.
Further, the steel wire infantees is using the higher structure of interior bag.
Further, the interior bag nylon bag cloth is set to 2 layers of infantees structure, covers bag end points in steel wire infantees；Institute
State outsourcing nylon bag cloth and be set to 2 layers of infantees structure, cover steel wire infantees outsourcing end points.
Further, the breaker strip is arranged between carcass and filling glue, and the width of breaker strip is set to
60mm。
Further, the steel wire infantees type glue is arranged between steel wire infantees and carcass anti-package, steel wire infantees type glue, pad
Glue, upper filling glue and sidewall rubber are using flat drum laminating type.
Further, the steel wire infantees bound edge can be replaced nylon infantees bound edge or film bound edge, and bound edge width is set
For 50mm.
Further, the lower filling glue and wire loop composite members, are to be divided into the composite filled glue of once-through method technique
Glue and lower filling glue two parts are filled, after lower filling glue and wire loop are pre-composite, piece is referred to by positive closure and is pushed on matrix body tube.
A kind of manufacturing process for being used to improve the all-steel radial tyre of load performance, specifically includes following steps：
(1) matrix body tube shaping first paragraph：Type glue and wear-resisting glue composite members are applied on the flat drum in big footpath first, then installed
Inner liner, then press outsourcing nylon infantees and Nei Bao nylon infantees；
(2) matrix body tube shaping second segment：Steel wire infantees type glue and steel wire infantees bound edge are in advance and steel wire infantees application is one
Rise, breaker strip is applied on carcass in advance, and pretreated steel wire infantees is fitted in the position specified, tire of then fitting
Body；
(3) matrix body tube is molded the 3rd section of positive closure and anti-package：Positive closure refers to is pushed to tire by lower filling glue and wire loop composite members
Body cylinder specified location, then carries out positive closure, then upper filling glue, then progress anti-package sealing, then outside the matrix body tube after anti-package
Laminating sidewall rubber on the outside of side fitting pad glue, pad glue；
(4) matrix body tube is shifted：Matrix body tube is transferred to distance between setting drum sizing, the wire loop of setting drum two and is equal to anti-package
Distance between upper two wire loop of drum；
(5) belt component laminating and transfer：Laminating belt and crown on belt drum, are transferred to after posting
Setting drum, crown center and matrix body tube center superposition；
(6) sizing pressing：Matrix body tube and belt drum assembly centering are filled with the sizing of 120kPa air pressure, press crown, fetus
Production terminates.
Further, the outsourcing nylon infantees in the step (1) uses chi structure, and intersecting angle is set to 52 °, and
Do not extend to below wire loop and inner side.
Further, in the step (1) the diameter 60mm bigger than wire loop internal diameter of drum is put down in big footpath.
Beneficial effects of the present invention are：
1st, the present invention uses big footpath moulding process, and one section, two sections of separation can be achieved, and in flat drum positioning laminating and real drum
Mechanical press, the characteristics of with high accuracy, high efficiency, high automaticity, carcass uses big footpath moulding process, carcass length ratio
Once-through method technique length 20%, the radical that wheel tyre cavity carcass cord is used is more, can effectively improve tyre load performance.
2nd, laminating drum diameter 60mm bigger than wire loop internal diameter, i.e., big footpath moulding process laminating drum is molded laminating drum compared with once-through method
Diameter is big by 10% or so, posts carcass extended length, and carcass ply expansion rate is small, more body cords can be accomplished into tire
In, carcass ply density and carcass strength can be both improved, tire capacity can be improved again.
3rd, the present invention uses and posts nylon infantees bound edge at steel wire infantees outsourcing end points, between steel wire infantees and carcass anti-package
The structure that nylon infantees is respectively pasted at two ends inside and outside infantees type glue, steel wire infantees is posted, bag nylon infantees is using 2 layers of design, Ke Yihuan
The stress concentration rushed at steel wire infantees anti-package end points, outsourcing nylon infantees does not extend to wire loop bottom, can make wire loop
Base material anti-package is easier, press it is closer, can avoid the 4th kind, the circle portion in the 5th kind of reinforcement mode choke with resentment phenomenon, no
Easily choke with resentment, it is to avoid wire loop, which is choked with resentment, causes tire earlier period damage；Interior bag nylon infantees covers steel wire using 2 layers of design
Bag end points in infantees, can prevent sizing material breach.
4th, steel wire infantees of the invention is using the higher design of interior bag, can effective lifting wheel bead part rigidity, circle portion exists
Deformed during tire running small；Breaker strip is designed between carcass and filling glue, can eliminate the stress between carcass and filling glue
Concentrate, reduce heat, the 4th kind can be avoided, the de- failure of early stage glue core in use in the 5th kind of reinforcement mode, i.e., can have
Effect solves the earlier period damage symptom that carcass and filling glue depart from tire used.
5th, body piles, enhancement layer, type glue/rim of the mouth composite members anti-package position use the disposable anti-package work of tire base on-inflatable
Skill, it is to avoid there is angle and bead part carcass metaboly between carcass anti-package and carcass to carcass anti-package and enhancement layer end points position
Put the influence of anti-flexion strain property.
6th, the present invention realizes the flat drum layer patch of the parts such as liner, wear-resisting glue/type glue, glue core composite members, sidewall/pad glue, tire
Section material is distributed more accurate, and component joints degree of agreement is higher, and the bubble retained in tire base is less, finished product uniformity
It is high.Steel wire infantees type glue, pad glue, upper filling glue and sidewall rubber are using flat drum laminating type, it is ensured that accurate positioning；Steel wire infantees
Type glue, between steel wire infantees and carcass anti-package, can eliminate the stress concentration between carcass and steel wire infantees anti-package, reduction life
Heat.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the 1st kind of reinforcement Structure Figure in the prior art；
Fig. 3 is the 2nd kind of reinforcement Structure Figure in the prior art；
Fig. 4 is the 3rd kind of reinforcement Structure Figure in the prior art；
Fig. 5 is the 4th kind of reinforcement Structure Figure in the prior art；
Fig. 6 is the 5th kind of reinforcement Structure Figure in the prior art；
Wherein, 1, carcass；2nd, steel wire infantees；3rd, interior bag nylon infantees；4th, breaker strip；5th, upper filling glue；6th, steel wire bag
Cloth type glue；7th, outsourcing nylon infantees；8th, steel wire infantees bound edge；9th, sidewall rubber；10th, glue is padded；11st, lower filling glue and wire loop are compound
Part.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
It is used to improving the all-steel radial tyre of load performance as shown in figure 1, a kind of, including it is carcass 1, steel wire infantees 2, interior
Outsourcing nylon infantees 7, breaker strip 4, steel wire infantees type glue 6, steel wire infantees bound edge 8, upper filling glue 5, lower filling glue and steel wire
Composite members 11, pad glue 10, sidewall rubber 9 are enclosed, the inner side of carcass 1 laminating is provided with breaker strip 4, and the breaker strip 4 is set
Between carcass 1 and filling glue, and the width of breaker strip 4 is set to 60mm, and the laminating of the outside of carcass 1 is provided with steel wire infantees 2,
Steel wire infantees 2 is using the higher structure of interior bag, and steel wire infantees type glue 6, steel wire infantees bound edge 8 are applied with steel wire infantees 2 respectively to be connected
Integral structure is connected in, the both sides of steel wire infantees 2 are fitted respectively is provided with interior bag nylon infantees 3 and outsourcing nylon infantees 7, interior bag
Nylon infantees 3 is set to 2 layers of infantees structure, covers bag end points in steel wire infantees 2；The outsourcing nylon infantees 7 is set to 2 layers
Infantees structure, covers the outsourcing end points of steel wire infantees 2, and lower filling glue is pushed to the enclosing of steel wire infantees 2 with wire loop composite members 11
Into carcass 1 on the position specified, the sealing of the positive closure of carcass 1, it is close that carcass 1 after positive closure carries out anti-package by upper filling glue 5
1 outside of carcass after envelope, anti-package is provided with pad glue 10, and the outside of pad glue 10 is provided with sidewall rubber 9.
Above-mentioned steel wire infantees type glue 6 is arranged between steel wire infantees 2 and the anti-package of carcass 1, steel wire infantees type glue 6, pad glue 10,
Upper filling glue 5 and sidewall rubber 9 are using flat drum laminating type.
Above-mentioned steel wire infantees bound edge 8 can be replaced nylon infantees bound edge or film bound edge, and bound edge width is set to 50mm.
Above-mentioned lower filling glue and wire loop composite members 11, are that the composite filled glue of once-through method technique is divided into upper filling glue 5
With lower filling glue two parts, after lower filling glue and wire loop are pre-composite, piece is referred to by positive closure and is pushed on carcass 1.
A kind of manufacturing process for being used to improve the all-steel radial tyre of load performance, specifically includes following steps：
(1) 1 shaping first paragraph of carcass：Type glue 10 and wear-resisting glue composite members are applied on the flat drum in big footpath first, big footpath
The diameter 60mm bigger than wire loop internal diameter of drum is put down, then inner liner is installed, then press outsourcing nylon infantees 7 and Nei Bao nylon infantees
3, outsourcing nylon infantees 7 uses chi structure, and intersecting angle is set to 52 °, and does not extend to below wire loop and inner side；
(2) 1 shaping second segment of carcass：Steel wire infantees type glue 6 and steel wire infantees bound edge 8 are applied with steel wire infantees 2 in advance
Together, breaker strip 4 is applied on carcass 1 in advance, pretreated steel wire infantees 2 is fitted in the position specified, then
Laminating carcass 1；
(3) 1 shaping of carcass the 3rd section of positive closure and anti-package：Positive closure, which refers to, is pushed to lower filling glue with wire loop composite members 11
1 specified location of carcass, then carries out positive closure, and then upper filling glue 5, then carries out anti-package sealing, then the carcass 1 after anti-package
Cylinder outside fitting pad glue 10, the outside laminating sidewall rubber 9 of pad glue 10；
(4) 1 transfer of carcass：By carcass 1 be transferred to distance between setting drum sizing, the wire loop of setting drum two be equal to it is anti-
Distance between upper two wire loop of bag drum；
(5) belt component laminating and transfer：Laminating belt and crown on belt drum, are transferred to after posting
Setting drum, 1 center superposition in crown center and carcass；
(6) sizing pressing：Carcass 1 and belt drum assembly centering are filled with the sizing of 120kPa air pressure, press crown, fetus
Production terminates.
Described above is not limitation of the present invention, it should be pointed out that：Come for those skilled in the art
Say, on the premise of essential scope of the present invention is not departed from, some variations, modifications, additions or substitutions can also be made, these improvement
Protection scope of the present invention is also should be regarded as with retouching.
Claims (5)
1. a kind of be used to improve the all-steel radial tyre of load performance, it is characterised in that including carcass, steel wire infantees, inside and outside
Bag nylon infantees, breaker strip, steel wire infantees type glue, steel wire infantees bound edge, upper filling glue, lower filling glue and wire loop are compound
Laminating is provided with laminating on the outside of breaker strip, carcass and is provided with steel wire infantees on the inside of part, pad glue, sidewall rubber, the carcass, described
Steel wire infantees is set to 2 layers of infantees structure, covered in steel wire infantees using the higher structure of interior bag, the interior bag nylon bag cloth
Bag end points；The outsourcing nylon bag cloth is set to 2 layers of infantees structure, covers steel wire infantees outsourcing end points；Steel wire infantees type glue,
Steel wire infantees bound edge connects as one formula structure with steel wire infantees application respectively, the both sides of steel wire infantees are fitted respectively be provided with
Bag nylon infantees and outsourcing nylon infantees, lower filling glue and wire loop composite members be pushed to steel wire infantees enclosing into matrix body tube on
Matrix body tube after the position specified, the sealing of carcass positive closure, positive closure carries out the matrix body tube after anti-package sealing, anti-package by upper filling glue
Outside is provided with the outside of pad glue, pad glue and is provided with sidewall rubber.
2. a kind of according to claim 1 be used to improve the all-steel radial tyre of load performance, it is characterised in that described slow
Film is rushed to be arranged between carcass and filling glue, and the width of breaker strip is set to 60mm.
3. a kind of according to claim 1 be used to improve the all-steel radial tyre of load performance, it is characterised in that the steel
Silk infantees type glue is arranged between steel wire infantees and carcass anti-package, and steel wire infantees type glue, pad glue, upper filling glue and sidewall rubber are adopted
With flat bulging laminating type.
4. a kind of according to claim 1 be used to improve the all-steel radial tyre of load performance, it is characterised in that the steel
Silk infantees bound edge can be replaced nylon infantees bound edge or film bound edge, and bound edge width is set to 50mm.
5. a kind of according to claim 1 be used to improve the all-steel radial tyre of load performance, it is characterised in that under described
Glue and wire loop composite members are filled, are that the composite filled glue of once-through method technique is divided into upper filling glue and lower filling glue two parts,
After lower filling glue and wire loop are pre-composite, piece is referred to by positive closure and is pushed on matrix body tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172691.2A CN105922821B (en) | 2016-03-24 | 2016-03-24 | A kind of all-steel radial tyre and its manufacturing process for being used to improve load performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172691.2A CN105922821B (en) | 2016-03-24 | 2016-03-24 | A kind of all-steel radial tyre and its manufacturing process for being used to improve load performance |
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| CN105922821A CN105922821A (en) | 2016-09-07 |
| CN105922821B true CN105922821B (en) | 2017-09-19 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719029A (en) * | 2016-12-10 | 2018-02-23 | 赛轮金宇集团股份有限公司 | The all steel tubeless meridian tire and its manufacture method of a kind of high-load performance |
| CN109733128A (en) * | 2019-01-17 | 2019-05-10 | 宁夏神州轮胎有限公司 | Be all-trans pack arrangement on a kind of all steel tire sidewall |
| CN110001303A (en) * | 2019-05-07 | 2019-07-12 | 江苏通用科技股份有限公司 | The strengthening course end construction of all-steel load-bearing radial tire |
| CN110406329A (en) * | 2019-08-01 | 2019-11-05 | 江苏通用科技股份有限公司 | A kind of staged tyre bead type glue buffer layer |
| CN114603897B (en) * | 2022-05-07 | 2022-07-12 | 赛轮(东营)轮胎股份有限公司 | Secondary forming process for load-carrying all-steel wire radial tire |
| CN115195171B (en) * | 2022-07-06 | 2024-03-12 | 赛轮集团股份有限公司 | Method for producing truck tire |
| CN115848070B (en) * | 2023-02-23 | 2023-06-02 | 广饶县计量测试检定所(广饶县产品质量检验所、广饶县橡胶轮胎产品与材料质量检验中心) | Tire ring part capable of improving ring part performance, tire and inspection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0218107A (en) * | 1988-07-05 | 1990-01-22 | Bridgestone Corp | Pneumatic radial tyre excellent in bead part durability |
| US6352090B1 (en) * | 1997-05-20 | 2002-03-05 | The Goodyear Tire & Rubber Company | Tire with reversed carcass ply turnup configuration |
| JP4976788B2 (en) * | 2006-09-04 | 2012-07-18 | 住友ゴム工業株式会社 | Heavy duty tire |
| CN202623806U (en) * | 2012-06-15 | 2012-12-26 | 郑本福 | Structure for improving tire bead of radial tire |
| JP6087658B2 (en) * | 2013-02-22 | 2017-03-01 | 住友ゴム工業株式会社 | Pneumatic tire |
| CN203611659U (en) * | 2013-10-16 | 2014-05-28 | 双钱集团股份有限公司 | All-steel radial tire bead structure |
| CN203651357U (en) * | 2013-12-30 | 2014-06-18 | 中国化工橡胶桂林轮胎有限公司 | Radial tire |
| CN104442217B (en) * | 2014-11-15 | 2018-08-14 | 杭州朝阳橡胶有限公司 | A kind of preparation method of all-steel radial tyre with steel wire infantees composite members reinforced bead |
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