CN112976949B - Safe and environment-friendly summer SUV tire - Google Patents
Safe and environment-friendly summer SUV tire Download PDFInfo
- Publication number
- CN112976949B CN112976949B CN202110374713.4A CN202110374713A CN112976949B CN 112976949 B CN112976949 B CN 112976949B CN 202110374713 A CN202110374713 A CN 202110374713A CN 112976949 B CN112976949 B CN 112976949B
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- Prior art keywords
- tread
- tire
- layer
- groove
- reinforcement
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Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 3
- 230000002787 reinforcement Effects 0.000 claims description 32
- 239000004744 fabric Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 2
- 238000005457 optimization Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1236—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
- B60C2011/0355—Circumferential grooves characterised by depth
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0358—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0386—Continuous ribs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a safe and environment-friendly summer SUV tire, which comprises a tire body and a crown tread rubber layer arranged on the surface of the tire body, wherein a tire reinforcing part is arranged in the crown tread rubber layer, and a groove component is arranged on the surface of the crown tread rubber layer; the groove assembly includes longitudinal and lateral grooves dividing a tire tread into first, second, and third blocks; the transverse grooves comprise a first transverse groove, a second transverse groove and a third transverse groove; the invention adopts a partition block pitch-variable arrangement mode when the tread is circumferentially distributed at each pitch, and realizes the low noise characteristic of the tire through simulation, optimization and analysis; and the noise performance of the tire is improved and the PRAT performance is optimized through dislocation of the grooves of the upper shoulder and the lower shoulder and optimization of angles.
Description
Technical Field
The invention relates to the technical field of tires, in particular to a safe and environment-friendly summer SUV tire.
Background
With the continuous development of the domestic SUV market, SUV safety and comfort become driving guarantees of consumers pursuing high quality, meanwhile, the trend of reducing rolling resistance is forced to be that the fuel economy and environmental protection situation are met, the EU label grade is gradually increased, and the requirements of consumers on the tire performance are gradually improved: higher wet skid performance requirements; the SUV has high gravity center, the requirements on the operability and the grip of the wetland road condition are higher, and the requirements on the safety performance of the wetland are higher. Lower rolling resistance requirements: the fuel economy is improved, the exhaust emission is reduced, the energy consumption is reduced, the high endurance mileage of the vehicle is ensured, and the tire which is the only tire in contact with the ground of the whole vehicle has the performance requirement of low rolling resistance; lower noise requirements: if the known tire passes through the high-speed easy-to-slide road condition, the noise generated by the contact of the tire with the ground is larger, the noise in the vehicle and the passing noise outside the vehicle are reduced, the noise pollution is reduced, and the noise of the tire is reduced when the driving environment in the vehicle is improved.
Based on this, a safe and environment-friendly summer SUV tire is now provided.
Disclosure of Invention
The invention aims to provide a safe and environment-friendly summer SUV tire so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The summer SUV tire comprises a tire body and a crown tread rubber layer arranged on the surface of the tire body, wherein a tire reinforcing part is arranged in the crown tread rubber layer, and a groove component is arranged on the surface of the crown tread rubber layer;
The groove assembly includes longitudinal and lateral grooves dividing a tire tread into first, second, and third blocks;
the transverse grooves comprise a first transverse groove, a second transverse groove and a third transverse groove;
wherein the circumferential surfaces of the second pattern block and the third pattern block are distributed with a plurality of thin and narrow auxiliary grooves, and the radial depth of the auxiliary grooves is not more than 0.5mm;
a plurality of bulges are distributed on the circumferential surfaces of the bottom and the side wall of the longitudinal groove, and the radial height of each bulge is not more than 0.5mm.
As a further scheme of the invention: the cap tread rubber layer comprises a main tread layer, a secondary tread layer and a bottom tread layer, the tread reinforcements being made of a top layer reinforcement and a bottom layer reinforcement per radial section.
As a further scheme of the invention: the main tread layer is made of a first rubber compound having a tan delta at 0 ℃ of not less than 1.0, the radial thickness setting of which is in the range of 0.1mm to 15mm, the secondary tread layer is made of a second rubber compound having a tan delta at 60 ℃ of not more than 0.1, the thickness setting of which is in the range of 0.1mm to 15mm, the bottom tread layer is made of a third rubber compound having a very high viscosity for preventing separation of the secondary tread layer from the crown reinforcement, and the bottom tread layer thickness setting is in the range of 0.1mm to 15 mm.
As a further scheme of the invention: the top layer reinforcement can be made of 1-2 layers of nylon material cord fabrics, the diameter of monofilaments of the nylon cord fabrics is larger than 0.6mm, the breaking force of the monofilaments is not lower than 200N, the strength of the reinforcement rubber coated with the rubber is improved by more than 10% and the weight is reduced by more than 1% in the conventional reinforcement made of common materials;
the bottom layer reinforcement is made of 2 layers of ultra-high-strength and fully-permeated steel wire material cord fabric, the diameter of a single filament of the steel wire cord fabric is not more than 0.7mm, the breaking force of the single filament is not less than 600N, the strength of the new steel cord fabric is improved by more than 5% compared with that of the existing common reinforcement, and the thickness of the coating is lower than that of the common reinforcement by 0.1mm, so that the coating is used for reducing the peristaltic motion of the sizing and the rolling resistance.
As a further scheme of the invention: the tread shoulder grooves on two sides of the tread rubber layer of the crown part are arranged in the direction and arrangement, the upper shoulder grooves and the lower shoulder grooves are arranged in a staggered mode, the upper shoulder groove angle a ranges from 80 degrees to 90 degrees, and the lower shoulder groove angle b ranges from 80 degrees to 90 degrees.
As a further scheme of the invention: when the tread is circumferentially distributed at each pitch, a multi-level pitch-variable arrangement mode is adopted; the upper tire shoulder part A adopts an arrangement mode that the total pitch number is not less than 70 and the pitch variety is not less than 4, and the middle pattern block part B adopts an arrangement mode that the total pitch number is not less than 60 and the pitch variety is not less than 4; the lower shoulder part C adopts an arrangement mode that the total pitch number is not less than 70 and the pitch variety is not less than 4.
Compared with the prior art, the invention has the beneficial effects that:
when the tread is circumferentially distributed at each pitch, the low-noise characteristic of the tire is realized by adopting a partition block pitch-variable arrangement mode and through simulation, optimization and analysis; and the noise performance of the tire is improved and the PRAT performance is optimized through dislocation of the grooves of the upper shoulder and the lower shoulder and optimization of angles.
The summer SUV tire further comprises: the tread is divided into a plurality of pattern blocks by the longitudinal grooves and the transverse grooves, and a plurality of narrow grooves are distributed on the circumferential surface of each pattern block and are used for breaking a water film and improving the grip of the tire.
Drawings
FIG. 1 is a front view of a summer SUV tire according to a preferred embodiment of the invention;
FIG. 2 is an enlarged top view of a portion of the block of FIG. 1;
FIG. 3 is a schematic view of the narrow groove and projection of FIG. 2 as the tire rolls;
FIG. 4 is a radial cross-sectional view of the cap rubber layer and the cap reinforcement;
Fig. 5 is a pitch arrangement and shoulder ditch explanatory diagram.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
FIG. 1 is a front view of a tire according to a preferred embodiment of the present invention;
The tread pattern is formed by a longitudinal groove 1 and a transverse groove, the transverse groove comprises a first transverse groove 2, a second transverse groove 3 and a third transverse groove 4, the longitudinal groove and the transverse groove divide the tire tread into a first pattern block 5, a second pattern block 6 and a third pattern block 7, a plurality of thin and narrow auxiliary grooves 8 are distributed on the circumferential surfaces of the second pattern block 6 and the third pattern block, and the radial depth of the auxiliary grooves 8 is not more than 0.5mm;
referring to fig. 2, a plurality of protrusions 9 are distributed on the circumferential surfaces of the bottom and side walls of the longitudinal groove 1, and the radial height of the protrusions 9 is not greater than 0.5mm. As shown in fig. 3, when the vehicle is running on a slippery road, the fine protrusions and the fine grooves in the preferred example can generate turbulence effect, so that the gripping force of the wet land is ensured and the noise of patterns is reduced.
FIG. 4 is a radial cross-sectional view of the cap rubber layer and the cap reinforcement;
The cap rubber layer 10 in the embodiment of the present invention includes: the cap tread rubber layer 10 comprises, in each radial section, a main tread layer 11, a secondary tread layer 12 and a bottom tread layer 13. The main tread layer 11 is made of a first rubber compound having a tan delta of not less than 1.0 at 0 ℃ and a radial thickness set point in the range of 0.1mm to 15 mm; the secondary tread layer 12 is made of a second rubber compound having a tan delta of not more than 0.1 at 60 ℃ and a thickness set point in the range of 0.1mm to 15 mm; the bottom tread layer 13 is made of a third rubber compound with a very high viscosity for preventing separation of the sub-tread layer from the crown reinforcement, the rubber layer thickness setting being in the range of 0.1mm to 15 mm.
The crown reinforcement 14 in the example of the invention is made of one top layer reinforcement 15 and one bottom layer reinforcement 16 per radial section. The top layer reinforcement 15 can be made of 1-2 layers of nylon cord fabrics, the diameter of monofilaments of the nylon cord fabrics is larger than 0.6mm, the breaking force of the monofilaments is not lower than 200N, the strength of the existing common material reinforcement of the rubber-covered reinforcement rubber is improved by more than 10%, the weight is reduced by more than 1%, and the reinforcement rubber is used for reducing structural vibration of the tire tread part and noise; the bottom layer reinforcement is made of 2 layers of ultra-high-strength and fully-permeated steel wire material cord fabric, the diameter of a single filament of the steel wire cord fabric is not more than 0.7mm, the breaking force of the single filament is not less than 600N, the strength of the new steel cord fabric is improved by more than 5% compared with that of the existing common reinforcement, and the thickness of the coating is lower than that of the common reinforcement by 0.1mm, so that the coating is used for reducing the peristaltic motion of the sizing and the rolling resistance.
FIG. 5 is an illustration of the pitch arrangement and shoulder ditch of a tire according to a preferred embodiment of the present invention;
in the implementation of the invention, when the tread shoulder grooves are in direction and arrangement, the upper shoulder grooves and the lower shoulder grooves are staggered and have optimized angles, the upper shoulder groove angle a ranges from 80 degrees to 90 degrees, the lower shoulder groove angle b ranges from 80 degrees to 90 degrees, and the invention is used for reducing noise and optimizing the PRAT performance of the tire.
In the implementation of the invention, when the tread is circumferentially distributed at each pitch, a multi-level pitch-variable arrangement mode is adopted; the upper tire shoulder part A adopts an arrangement mode that the total pitch number is not less than 70 and the pitch variety is not less than 4, and the middle pattern block part B adopts an arrangement mode that the total pitch number is not less than 60 and the pitch variety is not less than 4; the lower tire shoulder part C adopts an arrangement mode that the total pitch number is not less than 70 and the pitch variety is not less than 4;
The wet skid test result of the 235/65R17 specification product adopting the pattern of the invention is 1.65, the grade of the EU label is up to 1 grade, which is 0.1 higher than the EU regulation, the rolling resistance coefficient test result is 7.43, the grade of the EU label is up to B grade, which is reduced By 5% compared with the common product, and the tested Pass By Noise performance is 70dB and is 1dB lower than the common product.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
Claims (1)
1. The safe and environment-friendly summer SUV tire is characterized by comprising a tire body and a crown tread rubber layer (10) arranged on the surface of the tire body, wherein a tire part reinforcing piece (14) is arranged inside the crown tread rubber layer (10), and a groove component is arranged on the surface of the crown tread rubber layer (10);
the groove assembly comprises a longitudinal groove (1) and a transverse groove, the longitudinal groove (1) and the transverse groove divide the tire tread into a first block (5), a second block (6) and a third block (7);
The transverse grooves comprise a first transverse groove (2), a second transverse groove (3) and a third transverse groove (4);
Wherein a plurality of thin and narrow auxiliary grooves (8) are distributed on the circumferential surfaces of the second pattern block (6) and the third pattern block (7), and the radial depth of the auxiliary grooves (8) is not more than 0.5mm;
A plurality of bulges (9) are distributed on the circumferential surfaces of the groove bottom and the side wall of the longitudinal groove (1), and the radial height of each bulge (9) is not more than 0.5mm;
the crown tread rubber layer (10) comprises a main tread layer (11), a secondary tread layer (12) and a bottom tread layer (13), the tread reinforcements (14) being made up of a top layer reinforcement (15) and a bottom layer reinforcement (16) per radial section;
The main tread layer (11) is made of a first rubber mixture having a tan delta at 0 ℃ of not less than 1.0, and has a radial thickness set value in the range of 0.1mm to 15 mm;
the secondary tread layer (12) is made of a second rubber mixture having a tan delta at 60 ℃ of not more than 0.1 and a thickness set value in the range of 0.1mm to 15 mm;
the bottom tread layer (13) is made of a third rubber compound having a tackiness for preventing the separation of the secondary tread layer (12) from the crown reinforcement, the bottom tread layer (13) having a thickness set point ranging from 0.1mm to 15 mm;
The top layer reinforcement (15) is made of 1-2 layers of nylon material cord fabrics, the diameter of monofilaments of the nylon material cord fabrics is larger than 0.6mm, the breaking force of the monofilaments is not lower than 200N, the strength of the reinforcement rubber coated by the rubber is improved by more than 10% and the weight is reduced by more than 1%;
the bottom layer reinforcement is made of 2 layers of ultra-high-strength and fully-permeated steel wire material cord fabrics, the diameter of a single filament of the steel wire material cord fabrics is not more than 0.7mm, the breaking force of the single filament is not less than 600N, the strength of the new steel cord fabrics is improved by more than 5% compared with that of the existing common reinforcement, and the thickness of the coating is lower than 0.1mm of that of the common reinforcement, so that the coating is used for reducing the creep of rubber materials and the rolling resistance;
the tread shoulder groove directions and arrangement on two sides of the tread rubber layer (10) at the crown part are staggered, the upper shoulder groove angle a ranges from 80 degrees to 90 degrees, and the lower shoulder groove angle b ranges from 80 degrees to 90 degrees;
when the tread is circumferentially distributed at each pitch, a multi-level pitch-variable arrangement mode is adopted; the upper tire shoulder part A adopts an arrangement mode that the total pitch number is not less than 70 and the pitch variety is not less than 4, and the middle pattern block part B adopts an arrangement mode that the total pitch number is not less than 60 and the pitch variety is not less than 4; the lower shoulder part C adopts an arrangement mode that the total pitch number is not less than 70 and the pitch variety is not less than 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374713.4A CN112976949B (en) | 2021-04-08 | 2021-04-08 | Safe and environment-friendly summer SUV tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374713.4A CN112976949B (en) | 2021-04-08 | 2021-04-08 | Safe and environment-friendly summer SUV tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112976949A CN112976949A (en) | 2021-06-18 |
| CN112976949B true CN112976949B (en) | 2024-05-14 |
Family
ID=76339421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110374713.4A Active CN112976949B (en) | 2021-04-08 | 2021-04-08 | Safe and environment-friendly summer SUV tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112976949B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4815511A (en) * | 1986-03-18 | 1989-03-28 | The Goodyear Tire & Rubber Company | All-season high-performance radial-ply passenger pneumatic tire |
| JPH10157415A (en) * | 1996-12-02 | 1998-06-16 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| WO2010133940A1 (en) * | 2009-05-19 | 2010-11-25 | Pirelli Tyre S.P.A. | Tyre for a motor vehicle |
| EP2497656A1 (en) * | 2011-03-08 | 2012-09-12 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
| EP2660077A1 (en) * | 2012-05-02 | 2013-11-06 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
| JP2016113066A (en) * | 2014-12-17 | 2016-06-23 | 住友ゴム工業株式会社 | Pneumatic tire |
| CN205395666U (en) * | 2016-02-25 | 2016-07-27 | 安徽佳通乘用子午线轮胎有限公司 | High performance SUV tire with low noise tread configuration |
| CN212332306U (en) * | 2020-06-01 | 2021-01-12 | 青岛励扬橡胶科技有限公司 | Winter tire pattern structure |
| WO2021004012A1 (en) * | 2019-07-08 | 2021-01-14 | 山东玲珑轮胎股份有限公司 | Winter tire equipped with multilayer stereoscopic steel sheet structure |
| CN212529202U (en) * | 2020-03-31 | 2021-02-12 | 山东玲珑轮胎股份有限公司 | Electric automobile tire with low rolling resistance noise |
| CN216153509U (en) * | 2021-04-08 | 2022-04-01 | 山东玲珑轮胎股份有限公司 | Safe and environment-friendly SUV tire used in summer |
-
2021
- 2021-04-08 CN CN202110374713.4A patent/CN112976949B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4815511A (en) * | 1986-03-18 | 1989-03-28 | The Goodyear Tire & Rubber Company | All-season high-performance radial-ply passenger pneumatic tire |
| JPH10157415A (en) * | 1996-12-02 | 1998-06-16 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| WO2010133940A1 (en) * | 2009-05-19 | 2010-11-25 | Pirelli Tyre S.P.A. | Tyre for a motor vehicle |
| EP2497656A1 (en) * | 2011-03-08 | 2012-09-12 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
| EP2660077A1 (en) * | 2012-05-02 | 2013-11-06 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
| JP2016113066A (en) * | 2014-12-17 | 2016-06-23 | 住友ゴム工業株式会社 | Pneumatic tire |
| CN205395666U (en) * | 2016-02-25 | 2016-07-27 | 安徽佳通乘用子午线轮胎有限公司 | High performance SUV tire with low noise tread configuration |
| WO2021004012A1 (en) * | 2019-07-08 | 2021-01-14 | 山东玲珑轮胎股份有限公司 | Winter tire equipped with multilayer stereoscopic steel sheet structure |
| CN212529202U (en) * | 2020-03-31 | 2021-02-12 | 山东玲珑轮胎股份有限公司 | Electric automobile tire with low rolling resistance noise |
| CN212332306U (en) * | 2020-06-01 | 2021-01-12 | 青岛励扬橡胶科技有限公司 | Winter tire pattern structure |
| CN216153509U (en) * | 2021-04-08 | 2022-04-01 | 山东玲珑轮胎股份有限公司 | Safe and environment-friendly SUV tire used in summer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112976949A (en) | 2021-06-18 |
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