CN114312156A - Composite support rubber and self-supporting tire - Google Patents
Composite support rubber and self-supporting tire Download PDFInfo
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- CN114312156A CN114312156A CN202210099495.2A CN202210099495A CN114312156A CN 114312156 A CN114312156 A CN 114312156A CN 202210099495 A CN202210099495 A CN 202210099495A CN 114312156 A CN114312156 A CN 114312156A
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- tire
- support
- glue
- rubber
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- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 86
- 230000007704 transition Effects 0.000 claims abstract description 61
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims description 29
- 230000001070 adhesive effect Effects 0.000 claims description 29
- 150000001875 compounds Chemical class 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 3
- 230000032798 delamination Effects 0.000 abstract description 3
- 230000035882 stress Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Images
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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a composite support rubber and an auto-support tire, and belongs to the field of run-flat tires. The composite support rubber is arranged between the inner liner layer and the carcass layer and comprises transition support rubber and main body support rubber; the transition support glue is positioned between the inner liner layer and the main body support glue, the compression and tensile elastic modulus of the glue material is similar to that of the inner liner layer, and the shape of the transition support glue is rectangular; the main body support rubber is positioned between the transition support rubber and the carcass layer, and the compression and tension elastic modulus of the rubber material is similar to that of the carcass layer. The self-supporting tire provided by the invention is applied to the aspect of self-supporting tires, solves the technical problems that the tire has the delamination phenomena under aging running, low-air-pressure running and zero-air-pressure running, the tire comfort is poor and the tire is burst because the single rubber serving as the supporting rubber cannot meet the performance requirements of each part of the tire in the conventional self-supporting tire, and has the characteristics of high comfort, good durability, capability of reducing the weight of the tire and reducing the rolling resistance of the tire.
Description
Technical Field
The invention belongs to the field of run-flat tires, and particularly relates to a composite support rubber and an auto-support tire.
Background
With the rapid development of scientific technology and the improvement of the performance requirements of people on automobiles, tires with common performance cannot meet the requirements of people on safety, comfort, silence and the like. The existing self-supporting tire adds a strong and hard supporting rubber at the side wall part of the tire to ensure the zero-air-pressure durability of the tire, however, the mute comfort performance of the tire is also sacrificed. Specifically, although zero atmospheric pressure durability can be realized to current self-supporting tire, it is poor to go silence comfort performance under normal tire pressure, makes the driver and passenger experience feel poor, simultaneously, because of its support glue thickness design is inhomogeneous, it leads to stress concentration to go under zero atmospheric pressure, and the themogenesis is too fast.
The utility model discloses a supporting rubber uses single kind of design in the side wall of general self-supporting tire, single kind of design's advantage lies in that the extrusion is preceding mouthful of type simple and easy, the technology is simple relatively, but because the tire inner liner, the material type and the size diverse at matrix position, support the glue, the elastic modulus diverse of inner liner and matrix glue is great even to differ, lead to the deformation difference of each part when receiving the power of equidimension the same, it is too high to produce the local themogenesis because of shear stress concentration among the tire driving process easily, consequently, single kind of design is because of unable meeting the performance requirement at each position of tire, thereby lead to the tire to appear ageing in the later stage use and travel, low atmospheric pressure, the delaminating phenomenon under the zero pressure traveles, and still can lead to the appearance of the poor and tire burst scheduling problem of tire travelling comfort among the actual process.
Disclosure of Invention
The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the invention.
The invention provides a composite support rubber and an auto-support tire, which solve the technical problems that the tire has the delamination phenomena under aging running, low-pressure running and zero-pressure running, the tire has poor comfort and the tire is burst because the single rubber as the support rubber of the existing auto-support tire can not meet the performance requirements of each part of the tire, and have the characteristics of small thickness of the support rubber, high comfort, good durability, tire weight reduction and tire rolling resistance reduction on the premise of ensuring the support performance of the run-flat tire.
The invention discloses a composite support rubber which is arranged between an inner liner layer and a carcass layer and comprises a transition support rubber and a main body support rubber;
the transition support glue is positioned between the inner liner layer and the main body support glue, the compression and tensile elastic modulus of the glue material is similar to that of the inner liner layer, and the shape of the transition support glue is rectangular;
the main body supporting rubber is positioned between the transition supporting rubber and the carcass layer, and the compression and tensile elastic modulus of the rubber material is similar to that of the carcass layer.
In some of these embodiments, the transition support gel has a modulus of elasticity in compression and tension of 2.2-3.5, and the body support gel has a modulus of elasticity in compression and tension of 2.5-5.8.
In some of these embodiments, the body support glue is trapezoidal in shape.
In some embodiments, the thickness H of the transition support glue is 0.22-0.45 of the thickness H of the composite support glue.
In some of these embodiments, the compound hardness of the transitional support compound is 60-70.
In some of the embodiments, the thickness of the transition support glue is 3-5 mm; the hardness of the main body supporting glue is 55-65, and the thickness of the main body supporting glue is 3-5 mm.
In some of these embodiments, the body support glue is crescent shaped.
In some of the embodiments, the compound hardness of the transition support compound is 50-60, and the thickness of the transition support compound is 0.8-1.5 mm; the hardness of the main body supporting glue is 55-65, and the thickness of the main body supporting glue is 12-18 mm.
In some of the embodiments, the compound hardness of the transition support compound is 55-65, and the thickness of the transition support compound is 1.5-3.0 mm; the hardness of the main body supporting glue is 60-70, and the thickness of the main body supporting glue is 8-12 mm.
The invention also provides an auto-supporting tire, wherein the composite supporting rubber in any technical scheme is arranged between the inner liner layer and the tire body layer.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a composite support rubber and an auto-support tire, which can solve the problems of tire delamination, insufficient support property and internal cracking, and has the characteristics of small thickness, high comfort, good durability, tire weight reduction and tire rolling resistance reduction on the premise of ensuring the support property of run-flat running.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a composite support adhesive according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another composite supporting adhesive according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an auto-supporting tire according to an embodiment of the present invention;
FIG. 4 is a temperature measurement curve of the sidewall center position of the self-supporting tire according to the embodiment of the present invention;
description of the drawings: 1. a carcass layer; 2. a body support glue; 3. transition support glue; 31. a left end point of the transition support glue; 32. a middle point of the transition support glue; 33. a right end point of the transition support glue; 4. an inner liner.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments provided by the present invention, belong to the protection scope of the present invention.
It is obvious that the drawings in the following description are only examples or embodiments of the invention, from which it is possible for a person skilled in the art, without inventive effort, to apply the invention also in other similar contexts. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention are not to be construed as limiting in number, and may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description of the invention are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The terms "first," "second," "third," and the like in reference to the present invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.
The embodiment of the invention provides a composite support adhesive, and fig. 1-2 are schematic structural diagrams of the composite support adhesive according to the embodiment of the invention. The composite support rubber is arranged between the inner liner layer 4 and the carcass layer 1 and comprises transition support rubber 3 and main body support rubber 2; the transition support glue 3 is positioned between the inner liner 4 and the main body support glue 2, the compression and tensile elastic modulus of the glue material is similar to that of the inner liner 4, optionally, the compression and tensile elastic modulus of the transition support glue 3 is 2.2-3.5, and the shape is rectangular, so that the flexibility transition between the inner liner 4 and the support glue main body is mainly provided, and the problem of shear stress concentration between the inner liner 4 and the main body support is reduced; the main body supporting rubber 2 is located between the transition supporting rubber 3 and the carcass layer 1, the compression and tension elastic modulus of the rubber material is similar to that of the carcass layer 1, optionally, the compression and tension elastic modulus of the main body supporting rubber 2 is 2.5-5.8, and the main body supporting rubber mainly provides supporting performance in a zero air pressure state. The transition supports setting up of gluing 3 and has undertaken most flexible excessive functionality, make in stress loading process, each position atress is more even, the deflection is close to, the shearing stress between each part of the in-process tire that has reduced to go, prevent that each position deflection is different and lead to certain part stress concentration too high, lead to the delaminating of material fracture and each part to separate the problem, promote the low atmospheric pressure durability of tire greatly, make the hardness that supports gluey main part can promote but thickness can reduce, under the prerequisite of guaranteeing the support of traveling in lack of air, reduce and support gluey thickness, compare in single gluey kind support gluey, can reduce tire weight, reduce the rolling resistance of tire.
As shown in fig. 1, the main body support glue 2 has a trapezoidal shape. The shape of gluing 2 is for trapezoidal whole shape that makes compound support glue is the uniform thickness trapezium structure for injecing the main part, and this structure is favorable to guaranteeing under the condition of tire support performance, improves the travelling comfort and the noise reduction of tire, and is further, glues the use of kind through two, has overcome the delaminating of material fracture and each part and has separated the problem, reduces tire weight, reduces the rolling resistance of tire. Optionally, the thickness H of the transition support adhesive 3 is 0.22-0.45 of the thickness H of the composite support adhesive; the glue hardness of the transition support glue 3 is 60-70; the thickness of the transition support glue 3 is 3-5 mm; the hardness of the main body supporting glue 2 is 55-65, and the thickness of the main body supporting glue 2 is 3-5 mm. In this state, by further defining the rubber hardness of the transition support rubber 3 and forming the shape of the main support rubber 2 into a trapezoid, the thickness of the support rubber is reduced, the support durability of the tire is improved, the comfort is improved, the weight of the tire is reduced, and the rolling resistance of the tire is reduced. The embodiment specifically defines the glue hardness and thickness of the transition support glue 3 and the glue hardness and thickness of the main body support glue 2, and it is understood that the glue hardness of the transition support glue 3 can also be 61, 62, 63, 64, 65, 66, 67, 68, 69 and any value in the range thereof, and the thickness can also be 3.5mm, 4mm, 4.5mm and any value in the range thereof; the body support glue 2 may also have a glue hardness of 56, 57, 58, 59, 60, 61, 62, 63, 64 and any value within the range thereof, and a thickness of 3.5mm, 4mm, 4.5mm and any value within the range thereof.
As shown in fig. 2, the main body support glue 2 has a crescent shape. Optionally, the hardness of the glue material of the transition support glue 3 is 50-60, the thickness of the transition support glue 3 is 0.8-1.5mm, regarding the thickness, the thickness H1 at the left end point 31 of the transition support glue is 0.088 of the thickness H1 at the left end point of the composite support glue, the thickness H2 at the middle point 32 of the transition support glue is 0.072 of the thickness H2 at the middle point (i.e., the thickest point of the composite support glue) of the composite support glue, and the thickness H3 at the right end point 33 of the transition support glue is 0.079 of the thickness H3 at the right end point of the composite support glue; the hardness of the main body supporting glue 2 is 55-65, and the thickness of the main body supporting glue 2 is 12-18 mm. Optionally, when the hardness of the glue material of the transition support glue 3 is 55-65, the thickness of the transition support glue 3 is 1.5-3.0mm, regarding the thickness, the thickness H1 at the left end point 31 of the transition support glue is 0.19 of the thickness H1 at the left end point of the composite support glue, the thickness H2 at the middle point 32 of the transition support glue is 0.21 of the thickness H2 at the middle point of the composite support glue, and the thickness H3 at the right end point 33 of the transition support glue is 0.079 of the thickness H3 at the right end point of the composite support glue; the hardness of the main body supporting glue 2 is 60-70, and the thickness of the main body supporting glue 2 is 8-12 mm. This technical scheme provides when the sizing material hardness of transition support glue 3 is different, how to inject the thickness of transition support glue 3 and the hardness and the thickness of main part support glue 2 to guarantee to try hard to guarantee under the prerequisite that keeps the support performance, guarantee the travelling comfort of tire.
In another aspect, the invention further provides an auto-supporting tire, as shown in fig. 3, the composite support rubber of any one of the above technical solutions is provided between the inner liner layer 4 and the carcass layer 1. It should be noted that the hardness of the transition layer is 65 + -5, the hardness of the carcass rubber is 59 + -5, and the difference of the hardness of rubber materials of each component exceeds 6 to generate strong shear stress, and in order to avoid the shear stress, a hardness transition design is adopted to design the transition support rubber 3 for hardness transition. Due to the particularity of the supporting rubber component, when the difference set between the hardness of the transition supporting rubber 3 and the hardness of the main supporting rubber 2 is more than or equal to 4, the situation of overlarge shearing stress can occur. Therefore, it is further defined that the difference of the rubber hardness of the inner liner 4, the transition support rubber 3, the main body support rubber 2 and the tire body of the tire is not more than 6.
Examples
The hardness, thickness, modulus of elasticity in compression and tension, and shape of the composite support adhesive of each example are shown in Table 1.
Table 1 support glue parameters
Performance testing
The internal temperature rise test of the part under zero air pressure was performed on the composite support adhesive exemplified in the above example, and the result is shown in fig. 4.
The durability and comfort tests were performed on the composite support adhesives listed in the above examples, and the results are shown in table 2.
Table 2 results of performance testing
The above results show that the endurance performance of the tire under-inflation is similar to that of the single-rubber thick support rubber by using the transitional support rubber 3, but the thickness of the support rubber is reduced, so that the comfort of the vehicle is greatly improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A composite support rubber is arranged between an inner liner layer and a carcass layer and is characterized by comprising a transition support rubber and a main body support rubber;
the transition support glue is positioned between the inner liner layer and the main body support glue, the compression and tensile elastic modulus of the glue material is similar to that of the inner liner layer, and the shape of the transition support glue is rectangular;
the main body supporting rubber is positioned between the transition supporting rubber and the carcass layer, and the compression and tensile elastic modulus of the rubber material is similar to that of the carcass layer.
2. The composite support adhesive of claim 1, wherein the modulus of elasticity in compression and tension of the transition support adhesive is 2.2-3.5, and the modulus of elasticity in compression and tension of the main body support adhesive is 2.5-5.8.
3. The composite support adhesive of claim 1, wherein the body support adhesive is trapezoidal in shape.
4. The composite support adhesive of claim 3, wherein the thickness H of the transition support adhesive is 0.22-0.45 of the thickness H of the composite support adhesive.
5. The composite support adhesive of claim 3, wherein the compound hardness of the transition support adhesive is 60-70.
6. The composite support adhesive of claim 5, wherein the thickness of the transition support adhesive is 3-5 mm; the hardness of the main body supporting glue is 55-65, and the thickness of the main body supporting glue is 3-5 mm.
7. The composite support adhesive of claim 1, wherein the shape of the body support adhesive is crescent-shaped.
8. The composite support adhesive of claim 7, wherein the compound hardness of the transition support adhesive is 50-60, and the thickness of the transition support adhesive is 0.8-1.5 mm; the hardness of the main body supporting glue is 55-65, and the thickness of the main body supporting glue is 12-18 mm.
9. The composite support adhesive of claim 7, wherein the compound hardness of the transition support adhesive is 55-65, and the thickness of the transition support adhesive is 1.5-3.0 mm; the hardness of the main body supporting glue is 60-70, and the thickness of the main body supporting glue is 8-12 mm.
10. An auto-supporting tire, characterized in that a composite support rubber according to any one of claims 1 to 9 is provided between the inner liner and the carcass layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099495.2A CN114312156A (en) | 2022-01-27 | 2022-01-27 | Composite support rubber and self-supporting tire |
| PCT/CN2022/131667 WO2023142606A1 (en) | 2022-01-27 | 2022-11-14 | Composite support rubber and self-supporting tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099495.2A CN114312156A (en) | 2022-01-27 | 2022-01-27 | Composite support rubber and self-supporting tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114312156A true CN114312156A (en) | 2022-04-12 |
Family
ID=81030406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210099495.2A Pending CN114312156A (en) | 2022-01-27 | 2022-01-27 | Composite support rubber and self-supporting tire |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114312156A (en) |
| WO (1) | WO2023142606A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023142606A1 (en) * | 2022-01-27 | 2023-08-03 | 青岛双星轮胎工业有限公司 | Composite support rubber and self-supporting tire |
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| US4779658A (en) * | 1986-05-28 | 1988-10-25 | Bridgestone Corporation | Pneumatic safety tire |
| JP2005280459A (en) * | 2004-03-29 | 2005-10-13 | Sumitomo Rubber Ind Ltd | Run flat tire |
| CN101541565A (en) * | 2006-10-20 | 2009-09-23 | 株式会社普利司通 | Pneumatic tire |
| CN101610921A (en) * | 2007-02-06 | 2009-12-23 | 株式会社普利司通 | Safety tyre |
| CN104884278A (en) * | 2012-12-26 | 2015-09-02 | 东洋橡胶工业株式会社 | Pneumatic tire and method for manufacturing same |
| CN106739842A (en) * | 2017-01-11 | 2017-05-31 | 赛轮金宇集团股份有限公司 | Run-flat tire |
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| CN207772800U (en) * | 2017-12-26 | 2018-08-28 | 贵州通用航空有限责任公司 | A kind of cushion tyre for aircraft |
| CN111731044A (en) * | 2020-07-27 | 2020-10-02 | 安徽佳通乘用子午线轮胎有限公司 | Run-flat tire with excellent performance |
| CN212796417U (en) * | 2020-07-27 | 2021-03-26 | 安徽佳通乘用子午线轮胎有限公司 | Run-flat tire |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013159263A (en) * | 2012-02-07 | 2013-08-19 | Bridgestone Corp | Tire |
| JP2015214306A (en) * | 2014-05-13 | 2015-12-03 | 株式会社ブリヂストン | Run-flat tire |
| CN216805024U (en) * | 2022-01-27 | 2022-06-24 | 青岛双星轮胎工业有限公司 | Explosion-proof tyre |
| CN114312156A (en) * | 2022-01-27 | 2022-04-12 | 青岛双星轮胎工业有限公司 | Composite support rubber and self-supporting tire |
-
2022
- 2022-01-27 CN CN202210099495.2A patent/CN114312156A/en active Pending
- 2022-11-14 WO PCT/CN2022/131667 patent/WO2023142606A1/en unknown
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779658A (en) * | 1986-05-28 | 1988-10-25 | Bridgestone Corporation | Pneumatic safety tire |
| JP2005280459A (en) * | 2004-03-29 | 2005-10-13 | Sumitomo Rubber Ind Ltd | Run flat tire |
| CN101541565A (en) * | 2006-10-20 | 2009-09-23 | 株式会社普利司通 | Pneumatic tire |
| CN101610921A (en) * | 2007-02-06 | 2009-12-23 | 株式会社普利司通 | Safety tyre |
| CN104884278A (en) * | 2012-12-26 | 2015-09-02 | 东洋橡胶工业株式会社 | Pneumatic tire and method for manufacturing same |
| CN106739842A (en) * | 2017-01-11 | 2017-05-31 | 赛轮金宇集团股份有限公司 | Run-flat tire |
| CN108081878A (en) * | 2017-12-18 | 2018-05-29 | 安徽佳通乘用子午线轮胎有限公司 | A kind of pneumatic tire with double triangle rubbers |
| CN207772800U (en) * | 2017-12-26 | 2018-08-28 | 贵州通用航空有限责任公司 | A kind of cushion tyre for aircraft |
| CN111731044A (en) * | 2020-07-27 | 2020-10-02 | 安徽佳通乘用子午线轮胎有限公司 | Run-flat tire with excellent performance |
| CN212796417U (en) * | 2020-07-27 | 2021-03-26 | 安徽佳通乘用子午线轮胎有限公司 | Run-flat tire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023142606A1 (en) * | 2022-01-27 | 2023-08-03 | 青岛双星轮胎工业有限公司 | Composite support rubber and self-supporting tire |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023142606A1 (en) | 2023-08-03 |
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Application publication date: 20220412 |