CN108407553A - A kind of heavily loaded Pneumatic belt tire with high structural elongation rate tyre ring reinforcement material - Google Patents
A kind of heavily loaded Pneumatic belt tire with high structural elongation rate tyre ring reinforcement material Download PDFInfo
- Publication number
- CN108407553A CN108407553A CN201810336277.XA CN201810336277A CN108407553A CN 108407553 A CN108407553 A CN 108407553A CN 201810336277 A CN201810336277 A CN 201810336277A CN 108407553 A CN108407553 A CN 108407553A
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- CN
- China
- Prior art keywords
- strengthening course
- tire
- endpoint
- package
- reinforcement material
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 17
- 230000002787 reinforcement Effects 0.000 title claims abstract description 15
- 238000005728 strengthening Methods 0.000 claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 239000011324 bead Substances 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000009418 renovation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
- B60C15/0072—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with ply reverse folding, i.e. carcass layer folded around the bead core from the outside to the inside
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
Abstract
The present invention is a kind of load-carrying Pneumatic belt tire more particularly to a kind of heavily loaded Pneumatic belt tire with high structural elongation rate tyre ring reinforcement material.The body piles of the tire are layer of steel wire casing plies, wrap wire loop downwards and then outward from the inside of wire loop, anti-package is completed on the outside of wire loop；Cover the anti-package region is one layer of strengthening course being made of wirecord fabric；Strengthening course at least covers wire loop side and carcass anti-package endpoint, and height than carcass anti-package endpoint closer to sidewall rubber；Carcass anti-package endpoint at a distance from strengthening course endpoint (a) ranging from 8mm~20mm；And the endpoint of strengthening course covers protective rubber.The elongation characteristics that the present invention passes through change strengthening course steel wire, steel wire is set to remain able to realize larger elongation under low stress, to enable strengthening course relatively easily to be followed when by extension strain described previously, the strain near strengthening course upper extreme point is mitigated, improves bead durability.
Description
Technical field
The present invention is a kind of load-carrying Pneumatic belt tire, more particularly to a kind of with high structural elongation rate tyre bead benefit
The heavily loaded Pneumatic belt tire of strong material.
Background technology
In recent years, it uploads reuse Pneumatic belt tire in Chinese market and rapidly realizes tubeless.With Europe
There is difference in U.S. market, Chinese market part tire uses higher air pressure and load at present.This most of to live through Europe
The technology of U.S.'s market test is susceptible to the problem of bead durability deficiency in Chinese market.
Fig. 1 is the bead structure schematic diagram of common load-carrying Pneumatic belt tubeless tyre.In this structure, carcass from
On the inside of wire loop on the outside of anti-package to wire loop, it is designed with one layer of strengthening course being made of wirecord fabric in anti-package areas outside, is mended
Strong layer cord is arranged according to 20 °~40 ° of angle (relatively circumferential).In the structure of fig. 1, strengthening course upper extreme point is anti-higher than carcass
Packet endpoint.In order to adapt to the Stress distribution situation in this region, the strengthening course steel wire in this structure is usually using high drawing
Steel wire.
Fig. 2 is the ruptured type that relatively common carcass anti-package region compared with hyperbar, high load occurs
Schematic diagram.This kind of destruction is characterized in：Usually with carcass anti-package endpoint be rupture starting point, this region experience repeatedly deflect change
Rupture, often appears in the mid-term of tire used caused by the shearing force generated after shape.But with the transport form of China
Gradually be changed into high speed from short-distance transport to transport for long-distance, the load of tire is opposite to be reduced, and use intensity reduces, it is previously described this
Kind ruptured type also gradually tails off.But at the same time, in the latter stage of Life of Tyre, and primary renovation, secondary renovation
Stage, also due to rupture caused by the shearing force in anti-package region appears on the position of strengthening course upper extreme point, fracture pattern
In umbrella, Fig. 3 is seen.
Invention content
Above-mentioned strengthening course upper extreme point splintering problem can be solved it is an object of the present invention to provide a kind of, it is resistance to effectively to promote tyre bead
The load-carrying Pneumatic belt tire of long property.
In order to achieve the above purpose, present invention employs technical solutions below：
A kind of heavily loaded Pneumatic belt tire with high structural elongation rate tyre ring reinforcement material, the body piles of the tire
It is layer of steel wire casing ply, wraps wire loop downwards and then outward from the inside of wire loop, anti-package is completed on the outside of wire loop；
Cover the anti-package region is one layer of strengthening course being made of wirecord fabric；Strengthening course uses, and strengthening course at least covers wire loop
Side and carcass anti-package endpoint, and height than carcass anti-package endpoint closer to sidewall rubber；Carcass anti-package endpoint and strengthening course end
Ranging from 8mm~20mm of the distance (a) of point；And the endpoint of strengthening course covers protective rubber, protectiveness rubber and benefit
There are following relationships between the overall thickness (d) and strengthening course cord diameter (c) of the strong overcoating glue of layer：D=(2.5~5) × c；It is described
Protectiveness rubber upwardly extended from wirecord fabric endpoint, decrescence, elongation (b) is within the scope of 8mm~35mm for thickness.
Above-mentioned strengthening course upper extreme point position is also covered with section shown in Fig. 4 and mitigates rubber (also referred to as in fusiform strain
Protectiveness rubber), it can further promote bead durability.This ess-strain size of protectiveness rubber shape as shown in figure 3
It is distributed consistent, the protectiveness rubber thickness (d) of strengthening course upper extreme point position exists with strengthening course steel wire diameter (c) with ShiShimonoseki
System：D=(2.5~5) × c.If protectiveness rubber thickness is less than 2.5 times of steel wire diameter, mitigation strain cannot be given full play to
Effect；And if thickness is more than 5 times of diameter, the effect for mitigating strain is no longer so apparent, and can cause in production
The problem of.And the length (b) that the protectiveness rubber is extended to from strengthening course upper extreme point near sidewall rubber will also ensure in 8mm or more
The effect of dispersion strain can just be given full play to.But if length (b), more than 35mm, protectiveness rubber can not play more
Dispersion strain effect, and can cause production on problem.
The distance (a) of carcass anti-package endpoint to strengthening course upper extreme point is also required to ensure, in 8mm or more, with this to make on strengthening course
Endpoint can be avoided acting on the shearing force on anti-package endpoint.But if distance (a) can increase reinforcement more than if 20mm or more
The strain that layer itself is generated due to deflecting deformation, causes strengthening course to rupture.
As a further improvement, the strengthening course cord complex root according to steel strand group made of certain lay pitch wringing
At one every steel wire is made of complex root according to finer wire made of certain lay pitch twisting.
As a further improvement, the elongation at break of the strengthening course cord is 5% or more.
As a further improvement, the elongation at break of the strengthening course cord is 5% or more.
As a further improvement, the structural elongation of the strengthening course cord reaches optimum efficiency 2.5% or more
Structural elongation is 3.5% or more.The pulling force of strengthening course steel wire-elongation characteristics curve as shown in figure 5, the catastrophe point of curve by passing
The elongation 2% of system is postponed to 3.5%, realizes that steel wire can more generate structural stretch in the case where being acted on by pre-stress with this
It is long.The structural elongation characteristic of steel wire depend on every finer wire be twisted angle (α) and each steel strand be twisted angle
(β), being twisted angle, total there are following relationships between (alpha+beta) and pulling force-extension curve catastrophe point：
Alpha+beta=20 °~29 ° 2%
Alpha+beta=30 °~38 ° 2.5%
3.0% or more alpha+beta=39 °~48 °
After steel wire using this elongation characteristics, so that it may so that steel wire extends (strain) greatly under low-stress state, in
Elongation (strain) is small under high-stress state, nonlinear strain-stress relation is showed, to enable strengthening course to withstand more
Prolonged use.
As a further improvement, the strengthening course cord diameter is within the scope of 0.8mm~1.4mm.
As a further improvement, the carcass anti-package endpoint at a distance from strengthening course endpoint (a) ranging from 12mm~
16mm；Elongation (b) is within the scope of 12mm~28mm.
As a further improvement, tire heel (5h) of the lower extreme point position of strengthening course not higher than tyre bead, upper extreme point are higher than carcass
Anti-package endpoint.
As a further improvement, the range of the arrangement angle of the strengthening course steel wire can be 20 °~45 °.If choosing
With 20 ° or so of low-angles, the reinforcing effect to carcass anti-package end region is best, but can be encouraged on strengthening course
The rupture of endpoint location occurs；And if selecting 45 ° or so of wide-angle, although helping to reduce the broken of strengthening course upper extreme point
It splits, but can also reduce the invigoration effect to turn-up position simultaneously.So both comprehensive quality, the arrangement angles of the strengthening course steel wire
30 ° of degree selection.
As a further improvement, 100% of protectiveness rubber outside the strengthening course endpoint stretches modulus and is equal to or low surely
Be cladded with glue in above-mentioned wirecord fabric 100% stretches modulus surely.
As shown in figure 3, the umbrella rupture occurred in strengthening course upper extreme point is mainly by stretching on strengthening course extending direction
Caused by long strain.In the present invention, by changing the elongation characteristics of strengthening course steel wire, steel wire is made to be remained able under low stress
It realizes larger elongation, to enable strengthening course relatively easily to be followed when by extension strain described previously, delays
With the strain near strengthening course upper extreme point, bead durability is improved.
Description of the drawings
The load-carrying that Fig. 1 present invention is applicable in Pneumatic belt tire sectional schematic diagram.
Fig. 2 tyre beads damage plan 1.
Nearby Strain Distribution schematic diagram, wherein arrow expression should become larger for Fig. 3 tyre beads damage plan 2 and strengthening course upper extreme point
Small, dotted line indicates range of strain.
Fig. 4 case study on implementation schematic diagrames.
Fig. 5 is that the pulling force-elongation characteristics for the wire material that traditional wire material and the present invention use used in ladle are bent
Line.
Symbol description
1, tyre bead section；
2, wire loop；
3, body piles；
4, strengthening course；
4a, strengthening course upper extreme point；
4b, strengthening course lower extreme point；
5, bead base；
5h, bead base tire heel position；
5t, bead base tire toe position；
6, protectiveness rubber.
Specific implementation mode
The specific implementation mode of the present invention is made a detailed explanation below in conjunction with the accompanying drawings.
A kind of heavily loaded Pneumatic belt tire with high structural elongation rate tyre ring reinforcement material, the body piles of the tire
It is layer of steel wire casing ply, wraps wire loop downwards and then outward from the inside of wire loop, anti-package is completed on the outside of wire loop；
Cover the anti-package region is one layer of strengthening course being made of wirecord fabric；Strengthening course at least covers wire loop side and carcass
Anti-package endpoint, and height than carcass anti-package endpoint closer to sidewall rubber；Carcass anti-package endpoint (a) at a distance from strengthening course endpoint
Ranging from 8mm~20mm；And the endpoint of strengthening course covers protective rubber, and protectiveness rubber is cladded with the total of glue with strengthening course
There are following relationships between thickness (d) and strengthening course cord diameter (c)：D=(2.5~5) × c；The protectiveness rubber from
Wirecord fabric endpoint upwardly extends, and decrescence, elongation (b) is within the scope of 8mm~35mm for thickness.
The strengthening course cord is made of complex root according to steel strand made of certain lay pitch wringing, per one steel wire by
Complex root is formed according to finer wire made of certain lay pitch twisting.The elongation at break of the strengthening course cord is 5% or more.
The structural elongation of the strengthening course cord reaches the structural elongation of optimum efficiency 3.5% or more 2.5% or more.
The strengthening course cord diameter is within the scope of 0.8mm~1.4mm.It calls in person not higher than the tire of tyre bead the lower extreme point position of strengthening course
(5h), upper extreme point are higher than carcass anti-package endpoint.The arrangement angle of the strengthening course steel wire selects 30 °.Outside the strengthening course endpoint
Protectiveness rubber 100% stretch modulus surely and 100% stretch modulus surely equal to or less than what above-mentioned wirecord fabric was cladded with glue.
Subjects are 315/80R22.5, the load-carrying Pneumatic belt with steel belt, steel wire carcass structure
Tire.The experiment tire of several different strengthening courses is made according to following scheme：
Table 1a
* the diameter except going after steel wire
The protectiveness rubber thickness (d) of above-mentioned tire is 3.5mm, and length (b) is 22mm, carcass anti-package endpoint to strengthening course
The distance (a) of upper extreme point is 14mm, and the arrangement angle of strengthening course steel wire is 30 °.4 kinds of experiment tires are made according to said program,
Indoor lathe endurance test is carried out according to test method hereafter, test result is shown in Table 1b
【Indoor lathe endurance test】
Experiment tire on 22.5 × 9.00 wheel rim, charged pressure 830kPa, under 30 DEG C of indoor temperature,
80% load for applying single tire gauge load 3750kg, is run 10 hours with the speed of 40km/h, is run through into advance after-applied in advance
140% load is travelled with the speed of 40km/h, until damaged tyres.The setting of test speed and test temperature is in order to the greatest extent
Amount avoids tire since the excessive heat of tyre surface is to leading to damaged tyres, it is ensured that can really reflect the performance water of bead part
It is flat.
Table 1b
Then the effect of protectiveness rubber of different shapes is confirmed again, such as following table：
Table 2
* is converted to index to compare the result of scheme 1 for 100
Pulling force-extension curve the catastrophe point that can be seen that strengthening course steel wire from the result of table 1b postpones till 2.5% from 2%
After 3.5%, the ability of structure of steel wire elongation is enhanced, and bead durability performs better than.And the test result card of table 2
It is bright, as long as protectiveness rubber thickness (d) and length (b) can meet the Strain Distribution situation near strengthening course endpoint, it will be able to
Significantly promote bead durability.Certainly, protectiveness rubber is needed using the rubber compounding for covering glue same type with strengthening course herein,
It 100% stretches modulus and to cover glue equal to or slightly lower than strengthening course surely, the effect that can just give full play of dispersion, absorb strain.
In the case study on implementation, the lower extreme point of strengthening course terminates at the tire heel position on the outside of wire loop on the lower.It is used in reality
In, tire toe position below wire loop can also be terminated at using strengthening course lower extreme point, or terminate at wire loop inside front position
The structure set.
Claims (9)
1. a kind of heavily loaded Pneumatic belt tire with high structural elongation rate tyre ring reinforcement material, which is characterized in that the wheel
The body piles of tire are layer of steel wire casing plies, wire loop are wrapped downwards and then outward from the inside of wire loop, outside wire loop
Complete anti-package in side；Cover the anti-package region is one layer of strengthening course being made of wirecord fabric；Strengthening course at least covers wire loop
Side and carcass anti-package endpoint, and height than carcass anti-package endpoint closer to sidewall rubber；Carcass anti-package endpoint and strengthening course end
Ranging from 8mm~20mm of the distance (a) of point；And the endpoint of strengthening course covers protective rubber, protectiveness rubber and benefit
There are following relationships between the overall thickness (d) and strengthening course cord diameter (c) of the strong overcoating glue of layer：D=(2.5~5) × c；It is described
Protectiveness rubber upwardly extended from wirecord fabric endpoint, decrescence, elongation (b) is within the scope of 8mm~35mm for thickness.
2. a kind of heavily loaded Pneumatic belt wheel with high structural elongation rate tyre ring reinforcement material according to claim 1
Tire, which is characterized in that strengthening course cord is made of complex root according to steel strand made of certain lay pitch wringing, per one steel wire by
Complex root is formed according to finer wire made of certain lay pitch twisting.
3. a kind of heavily loaded Pneumatic belt wheel with high structural elongation rate tyre ring reinforcement material according to claim 1
Tire, which is characterized in that the elongation at break of strengthening course cord is 5% or more.
4. a kind of heavily loaded Pneumatic belt wheel with high structural elongation rate tyre ring reinforcement material according to claim 1
Tire, which is characterized in that 2.5% or more, the structural elongation for reaching optimum efficiency exists the structural elongation of strengthening course cord
3.5% or more.
5. a kind of heavily loaded Pneumatic belt wheel with high structural elongation rate tyre ring reinforcement material according to claim 1
Tire, which is characterized in that strengthening course cord diameter is within the scope of 0.8mm~1.4mm.
6. a kind of heavily loaded Pneumatic belt wheel with high structural elongation rate tyre ring reinforcement material according to claim 1
Tire, which is characterized in that carcass anti-package endpoint at a distance from strengthening course endpoint (a) ranging from 12mm~16mm；Elongation (b) exists
Within the scope of 12mm~28mm.
7. a kind of heavily loaded Pneumatic belt wheel with high structural elongation rate tyre ring reinforcement material according to claim 1
Tire, which is characterized in that the range of the arrangement angle of strengthening course steel wire can be 20 °~45 °.
8. a kind of heavily loaded Pneumatic belt wheel with high structural elongation rate tyre ring reinforcement material according to claim 1
Tire, which is characterized in that the lower extreme point position of strengthening course is not higher than the tire heel (5h) of tyre bead, and upper extreme point is higher than carcass anti-package endpoint.
9. a kind of heavily loaded Pneumatic belt wheel with high structural elongation rate tyre ring reinforcement material according to claim 1
Tire, which is characterized in that 100% of protectiveness rubber outside strengthening course endpoint stretches modulus equal to or less than outside above-mentioned wirecord fabric surely
Cover glue 100% stretches modulus surely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336277.XA CN108407553A (en) | 2018-04-16 | 2018-04-16 | A kind of heavily loaded Pneumatic belt tire with high structural elongation rate tyre ring reinforcement material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336277.XA CN108407553A (en) | 2018-04-16 | 2018-04-16 | A kind of heavily loaded Pneumatic belt tire with high structural elongation rate tyre ring reinforcement material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108407553A true CN108407553A (en) | 2018-08-17 |
Family
ID=63135783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810336277.XA Pending CN108407553A (en) | 2018-04-16 | 2018-04-16 | A kind of heavily loaded Pneumatic belt tire with high structural elongation rate tyre ring reinforcement material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108407553A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109574A (en) * | 2018-08-23 | 2019-01-01 | 中策橡胶集团有限公司 | Load-carrying Pneumatic belt tire |
| CN109895561A (en) * | 2019-03-20 | 2019-06-18 | 中策橡胶集团有限公司 | Pneumatic radial tire for heavy load |
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| US5196077A (en) * | 1986-10-27 | 1993-03-23 | The Yokohama Rubber Co., Ltd. | Pneumatic radial tire |
| US5363896A (en) * | 1992-06-19 | 1994-11-15 | The Yokohama Rubber Co., Ltd. | Pneumatic tire with reinforcing layer embedded in a defined rubber |
| JPH111107A (en) * | 1997-06-12 | 1999-01-06 | Bridgestone Corp | Pneumatic radial tire for heavy load |
| US6109320A (en) * | 1996-05-28 | 2000-08-29 | Sumitomo Rubber Industries, Ltd. | Heavy duty radial tire with specified bead core inside diameter |
| CN1703551A (en) * | 2002-10-11 | 2005-11-30 | 米其林技术公司 | Cords for reinforcing heavy vehicle tyres |
| CN2834972Y (en) * | 2005-01-13 | 2006-11-08 | 贵州轮胎股份有限公司 | Tyre bead structure of full-steel radial tyre |
| JP2008088613A (en) * | 2006-10-04 | 2008-04-17 | Bridgestone Corp | Steel cord, rubber-steel cord composite and heavy load pneumatic radial tire |
| CN103213461A (en) * | 2013-04-03 | 2013-07-24 | 大连轮胎厂有限公司 | Enhanced truck all steel wire radial tire |
| CN104343026A (en) * | 2013-08-01 | 2015-02-11 | 贝卡尔特公司 | Metal cord thread and rubber tire |
| CN108638757A (en) * | 2018-04-16 | 2018-10-12 | 中策橡胶集团有限公司 | A kind of load-carrying Pneumatic belt tire with double steel wire supporting material bead structures |
| CN208698380U (en) * | 2018-04-16 | 2019-04-05 | 中策橡胶集团有限公司 | A kind of load-carrying Pneumatic belt tire |
| CN208698378U (en) * | 2018-04-16 | 2019-04-05 | 中策橡胶集团有限公司 | A kind of heavily loaded Pneumatic belt tire with tyre ring reinforcement material |
-
2018
- 2018-04-16 CN CN201810336277.XA patent/CN108407553A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5196077A (en) * | 1986-10-27 | 1993-03-23 | The Yokohama Rubber Co., Ltd. | Pneumatic radial tire |
| US5363896A (en) * | 1992-06-19 | 1994-11-15 | The Yokohama Rubber Co., Ltd. | Pneumatic tire with reinforcing layer embedded in a defined rubber |
| US6109320A (en) * | 1996-05-28 | 2000-08-29 | Sumitomo Rubber Industries, Ltd. | Heavy duty radial tire with specified bead core inside diameter |
| JPH111107A (en) * | 1997-06-12 | 1999-01-06 | Bridgestone Corp | Pneumatic radial tire for heavy load |
| CN1703551A (en) * | 2002-10-11 | 2005-11-30 | 米其林技术公司 | Cords for reinforcing heavy vehicle tyres |
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| CN103213461A (en) * | 2013-04-03 | 2013-07-24 | 大连轮胎厂有限公司 | Enhanced truck all steel wire radial tire |
| CN104343026A (en) * | 2013-08-01 | 2015-02-11 | 贝卡尔特公司 | Metal cord thread and rubber tire |
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| CN208698380U (en) * | 2018-04-16 | 2019-04-05 | 中策橡胶集团有限公司 | A kind of load-carrying Pneumatic belt tire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109574A (en) * | 2018-08-23 | 2019-01-01 | 中策橡胶集团有限公司 | Load-carrying Pneumatic belt tire |
| CN109895561A (en) * | 2019-03-20 | 2019-06-18 | 中策橡胶集团有限公司 | Pneumatic radial tire for heavy load |
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| CB02 | Change of applicant information |
Address after: 310018 No. 1, No. 1 Street, Qiantang District, Hangzhou, Zhejiang Applicant after: Zhongce Rubber Group Co.,Ltd. Address before: 310018 No.1 street, Xiasha economic and Technological Development Zone, Hangzhou City, Zhejiang Province Applicant before: ZHONGCE RUBBER GROUP Co.,Ltd. |
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| CB02 | Change of applicant information |