CN115972822B - Bead ring structure and pneumatic tire - Google Patents
Bead ring structure and pneumatic tire Download PDFInfo
- Publication number
- CN115972822B CN115972822B CN202310035585.XA CN202310035585A CN115972822B CN 115972822 B CN115972822 B CN 115972822B CN 202310035585 A CN202310035585 A CN 202310035585A CN 115972822 B CN115972822 B CN 115972822B
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- Prior art keywords
- bead
- bead ring
- tire
- steel wire
- core
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- 239000011324 bead Substances 0.000 title claims abstract description 204
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 52
- 239000003292 glue Substances 0.000 claims abstract description 29
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000004760 aramid Substances 0.000 claims description 32
- 229920003235 aromatic polyamide Polymers 0.000 claims description 32
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 238000004804 winding Methods 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 10
- 238000005728 strengthening Methods 0.000 claims description 10
- 238000005299 abrasion Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000002356 single layer Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000010073 coating (rubber) Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241000221535 Pucciniales Species 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Tires In General (AREA)
Abstract
The invention discloses a bead ring structure and a pneumatic tire, which comprise a bead ring core part, wherein the bead ring core part is an annular closed steel wire, an aramid fiber belt is spirally wound outside the bead ring core part in multiple layers, and bead ring rubber is wrapped outside the aramid fiber belt; the aramid fiber belt consists of aramid fiber skeleton fibers and aramid fiber hanging glue; the bead ring structure and the pneumatic tire based on the bead ring structure have the beneficial effects that the bead ring structure and the pneumatic tire based on the bead ring structure are formed by wrapping the modified aramid fiber outside the steel wire and coating the rubber to enable the cross section of the modified aramid fiber to be round, so that the stress of the steel wire can be reduced, the stress of a tire body can be reduced, the weight is reduced, and meanwhile, the safety performance and the service life of the tire are improved.
Description
Technical Field
The invention relates to the technical field of pneumatic tires, in particular to a bead ring structure and a pneumatic tire.
Background
The pneumatic tire has irreplaceable functions in the market of current commercial vehicles and passenger vehicles, conforms to the development trend of energy saving, consumption reduction and light weight design in the market of tires, and has become important to improve the durability of the tires and reduce the weight of the tires.
Most of the designs of bead rings for pneumatic tires in the current market are filament winding bead rings, and besides single steel wires, the bead rings have round and rectangular cross-sectional shapes, and have rectangular, hexagonal, round and the like. The bead ring-free pneumatic tire and the rim thereof with a diamond ring-shaped section are disclosed in the patent publication No. CN101934684A, and the conventional bead ring is adopted, but no matter the conventional bead ring is adopted, the single steel wire winding process is relatively complex, the requirements on the flatness, the residual torsion, the yield ratio, the flexibility and the through-strip property of the steel wire are very strict, and the weight of the conventional bead ring accounts for a high proportion in each part of the tire structure, and the problems cannot be overcome even though the special-shaped hub and the special-shaped tire are adopted.
In the pneumatic tire with a single steel wire wound around the bead ring, the situation that the bead ring is scattered, the steel wire is corroded, the steel wire is warped, the steel wire is not well glued and the like can occur due to the fact that the stress extrusion of the load to the bead ring is too large after long-time use, the performance of the tire is affected due to the fact that the situation that the bead ring is not well glued is occurred, and certain potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the problems, designs a bead ring structure and a pneumatic tire, and solves the problems of the prior art.
The technical scheme of the invention for achieving the purpose is as follows: the steel wire ring structure comprises a steel wire ring core part, wherein the steel wire ring core part is an annular closed steel wire, aramid fiber strips are spirally wound outside the steel wire ring core part in multiple layers, and steel wire ring rubber coating is wrapped outside the aramid fiber strips;
the aramid fiber belt consists of aramid fiber skeleton fibers and aramid fiber hanging glue;
The aramid skeleton fiber consists of a plurality of fiber filaments which are arranged in a single-line array and have circular circumferential sections, and the aramid hanging glue is a strip-shaped body with a rectangular section and wrapped on the outer side of the aramid skeleton fiber;
the cross section width of the aramid hanging glue is 5-12 mm, and the cross section thickness of the aramid hanging glue is 0.4-1.5 mm; the aramid fiber belt has about 1% compression in the center direction of the section of the core part of the bead ring and has an elongation of not more than 0.5%;
the circumferential section of the steel wire of the core part of the bead ring is circular, the diameter of the section is 3-15 mm,
The steel wire of bead ring core is provided with steel core rubberizing additional strengthening in the axial, steel core rubberizing additional strengthening includes a plurality of rubberizing additional strengthening nodes, the same interval in bead ring core axial interval is provided with a plurality of rubberizing additional strengthening nodes, the rubberizing additional strengthening node is the part toper structure body, a plurality of the small radius end of rubberizing additional strengthening node is the same with the diameter of bead ring core, a plurality of the large radius end of rubberizing additional strengthening node is greater than the diameter of bead ring core.
Preferably, the aramid fiber skeleton is modified polyester aramid fiber, and the mode of winding the core steel wire by the aramid fiber belt is single-layer staggered overlapping winding.
Preferably, the winding angle of the aramid fiber belt winding core steel wire is between 30 and 60 degrees, and the winding distance is between 5 and 12 mm.
Preferably, the steel wire of the bead ring core is of a die-casting jointless design.
Preferably, the rubber-covered peripheral section of the bead ring is of a circular structure.
Preferably, the Young's modulus of the bead core steel wire is between 150 and 210 GPa.
The pneumatic tire with the bead ring structure comprises a bead ring core part, an aramid fiber belt and bead ring rubber coating, wherein the aramid fiber belt is spirally wound outside the bead ring core part in multiple layers, and the bead ring rubber coating is wrapped outside the aramid fiber belt;
The pneumatic tire further comprises a tire crown part, a tire side part, a tire bead part and a tire bead seat, wherein the tire crown part, the tire side part and the tire bead part are integrally extended to form a ring-like structure, the tire bead seat is assembled outside the tire bead part, the tire bead part comprises an upper bead rubber and a lower bead rubber of a bead, a tire body, a bead reinforcing layer, a bead abrasion-resistant rubber, part of tire side rubber and an inner liner rubber which are reversely wrapped in the bead, and the tire body and the lower bead rubber are jointly wrapped outside the bead rubber.
Preferably, the cross-sectional diameter of the bead ring core is within 6% of the width of the bead seat.
Preferably, the length from the axis of the bead ring core to the end point of the outer periphery of the section of the toe mouth wear-resistant glue is set to be L 1, the length from the axis of the bead ring core to the bottom edge of the outer periphery of the section of the bead ring wear-resistant glue is set to be L 2,L1, the value range is 15-30 mm, and the value range of L 2 is 15-30 mm.
Preferably, the steel wire circumferential section of the bead ring core is provided with a micro reinforcing structure, the micro reinforcing structure comprises a plurality of reinforcing ribs, the outer side of the bead ring core in the axial direction is provided with a plurality of reinforcing ribs in an annular array, and a plurality of reinforcing ribs and the bead ring core are of an integrated structure.
The bead ring structure and the pneumatic tire based on the bead ring structure manufactured by the technical scheme of the invention have the advantages that the modified aramid fiber is wrapped outside the steel wire and coated with the rubber to enable the section of the modified aramid fiber to be circular, and the bead ring structure has the following advantages:
The aramid fiber winding bead ring can reduce the stress of the steel wire, reduce the stretching rate of the bead wire, reduce the slippage rate of the bead, improve the longitudinal rigidity of the tire, reduce the possibility of bead explosion and improve the safety performance of the tire;
Under the condition that the cross sectional areas of the steel wire rings are the same, the weight of the aramid fiber wound steel wire rings is about 60 percent lighter than that of the traditional steel wire rings;
the stress of the tire body is reduced, compared with the tire with the traditional bead ring, the tire body with the aramid fiber wound bead ring has lower stress, the deflection resistance of the tire sidewall can be effectively improved, and the durability of the tire is improved;
compared with the traditional bead ring tire, the tire body with the aramid fiber wound with the bead ring has lower stress of the hard apex, and can effectively reduce the occurrence rate of empty tire beads.
Drawings
FIG. 1 is a schematic view of a bead ring structure and a pneumatic tire according to the present invention.
Fig. 2 is a schematic view of a bead ring structure and a bead portion of a pneumatic tire according to the present invention.
FIG. 3 is a schematic view of a bead ring structure and a partial sidewall structure of a pneumatic tire according to the present invention.
Fig. 4 is an enlarged view of a bead ring structure and a pneumatic tire according to the present invention.
Fig. 5 is a schematic view of a bead ring structure and a bead ring winding pattern of a pneumatic tire according to the present invention.
Fig. 6 is a schematic view of a bead ring structure and an aramid belt structure of a pneumatic tire according to the present invention.
Fig. 7 is a schematic view of a bead ring structure and a bead ring core structure of a pneumatic tire according to the present invention.
In the figure: 1. a crown portion; 2. a sidewall portion; 3. a bead portion; 4. a rim bead seat; 31. hanging glue to strengthen the nodes; 32. coating rubber on the bead ring; 33. a bead ring core; 34. an aramid belt; 35. applying triangular glue; 36. lower triangular glue; 37. reinforcing ribs; 5. a carcass; 6. wear-resistant glue for the sub-openings; 7. a sub-port reinforcing layer; 8. an inner liner layer adhesive; 9. a sidewall rubber; 341. aramid skeleton fibers; 342. and (5) hanging the aramid fiber.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
1-6 according to the specification, the scheme discloses a steel wire ring structure, which comprises a steel wire ring core part, wherein the steel wire ring core part is an annular closed steel wire, aramid fiber belts are spirally wound outside the steel wire ring core part in multiple layers, and steel wire ring rubber covers are wrapped outside the aramid fiber belts;
the aramid belt consists of aramid skeleton fibers and aramid hanging glue;
The aramid skeleton fiber consists of a plurality of fiber filaments which are arranged in a single-line array and have circular circumferential sections, and the aramid glue is a strip-shaped body with a rectangular section and wrapped on the outer side of the aramid skeleton fiber;
the cross section width of the aramid hanging glue is 5-12mm, and the cross section thickness of the aramid hanging glue is 0.4-1.5mm; the aramid fiber belt has about 1% compression in the center direction of the section of the core part of the bead ring and has an elongation of not more than 0.5%;
The circumferential section of the steel wire of the core part of the bead ring is circular, and the diameter of the section is 3-15 mm.
As a preferable scheme, the aramid fiber skeleton is modified polyester aramid fiber, and the mode of winding the core steel wire by the aramid belt is single-layer staggered overlapping winding.
As a preferable scheme, the winding angle of the aramid fiber belt around the core steel wire is between 30 and 60 degrees, and the winding distance is between 5 and 12 mm.
Preferably, the steel wire of the bead ring core is of a die-casting jointless design.
Preferably, the rubber-covered peripheral section of the bead ring is of a circular structure.
Preferably, the Young's modulus of the bead core steel wire is between 150 GPa and 210 GPa.
A pneumatic tire with a bead ring structure comprises a bead ring core, an aramid fiber belt and bead ring rubber coating, wherein the aramid fiber belt is spirally wound on the outside of the bead ring core in multiple layers, and the bead ring rubber coating is wrapped on the outside of the aramid fiber belt;
The pneumatic tire further comprises a tire crown part, a tire side part, a tire bead part and a tire bead seat, wherein the tire crown part, the tire side part and the tire bead part are integrally extended to form a ring-like structure, the tire bead seat is assembled outside the tire bead part, the tire bead part comprises an upper bead rubber and a lower bead rubber of a bead area, a tire body, a bead reinforcing layer, a bead abrasion-resistant rubber, a part of tire side rubber and an inner liner rubber which are reversely wrapped in the bead area in a counter-clockwise manner, and the tire body and the lower bead rubber are jointly wrapped outside the bead wire rubber after being reversely wrapped.
Preferably, the cross-sectional diameter of the bead core is within 6% of the bead seat width.
As a preferable scheme, the length from the core of the bead ring to the end point of the outer periphery of the section of the toe mouth wear-resistant glue is set to be L 1, the length from the core of the bead ring to the bottom edge of the outer periphery of the section of the bead ring wear-resistant glue is set to be L 2,L1, the value range is 15-30 mm, and the value range of L 2 is 15-30 mm.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description which are given below: the embodiment provides an anti-drop rim, which comprises a crown part 1, a side part 2 and a bead part 3, wherein the bead part comprises a part of upper triangular glue 36, a side glue 9 and an inner liner glue 8, a toe wear-resistant glue 6, a bead reinforcing layer 7 and a part of a carcass 5, a lower triangular glue 35 and a bead ring, the bead ring comprises a core steel wire 33, an aramid fiber belt 34 and a bead ring covering glue 32, and the bead ring positioning is determined by L 1 and L 2.
The embodiment of the application provides a bead ring structure and a pneumatic tire, which can effectively avoid the conditions of bead ring scattering, steel wire rust, steel wire warping, poor steel wire rubberizing and the like of the pneumatic tire. And the molding process is simpler, the weight ratio of the bead ring in the pneumatic tire is effectively reduced, and the durability and the safety performance of the tire are improved.
The embodiment of the application provides a pneumatic tire, which comprises a crown part 1, a side part 2 and a bead part 3;
The bead part comprises an upper apex 36 and a lower apex 35 of the apex, a carcass 5 which is reversely wrapped by the apex anticlockwise, a bead reinforcing layer 7, a bead abrasion-resistant adhesive 6, a part of sidewall adhesive 9 and an inner liner adhesive 8, and a bead ring between the carcass and the lower apex 35 after the apex is reversely wrapped;
The bead core has an annular closed wire, the core wire 33 has a plurality of layers of helically wound aramid tape 34 on the surface thereof, and the bead coating 32 is the outermost layer of the aramid tape.
In some embodiments, the bead core wire 33 is die cast from a single wire, of jointless design, with the circumferential cross-section of the wire being circular, and the cross-section diameter ranging from 3 to 15mm or within 3% of the bead seat width.
In some embodiments, the Young's modulus of the bead core wire 33 is between 150 and 210 GPa.
In some embodiments, the aramid ribbon 34 wrapped around the core wire 33 is rectangular-like in cross-section, having a width of between 5 and 12mm and a thickness of between 0.4 and 1.5 mm.
In some embodiments, the aramid fiber tape 34 is modified to uniformly attach a hanging glue on the surface of the aramid fiber tape, so that the aramid fiber is wound more tightly during the molding process of the bead ring, and the bead ring has higher rigidity and better mechanical property.
In some embodiments, the aramid ribbon 34 is wound around the core wire 33 in a (single layer) staggered and overlapping manner, which provides the bead ring with higher circumferential rigidity and circumferential tensile strength.
In some embodiments, the aramid ribbon 34 is spirally wound around the bead core at an angle of between 30 and 60 degrees and a pitch of between 5 and 12mm, which may make the bead molding process simpler.
In some embodiments, after the aramid ribbon 34 is spirally wound around the core steel wire 33, the aramid ribbon 34 has a compression amount of about 1% in the center direction of the section of the bead ring, and has a very small elongation, and a certain compression amount and a certain stretching amount, so that the void ratio of the bead ring can be reduced, the rigidity of the bead ring can be improved, the pneumatic tire can be better supported, and meanwhile, the core steel wire 33 can be better prevented from contacting with the outside, and the situation that the core steel wire 33 rusts is avoided as much as possible.
As can be seen from the comparison of the data attached to table 1, in the pneumatic tire based on the bead ring structure, the modified aramid is wrapped outside the steel wire and covered with the rubber to form a circular section, so that the stress of the steel wire can be reduced, the stress of the carcass can be reduced, the weight is reduced, and meanwhile, the safety performance and the service life of the tire are improved;
TABLE 1
In some embodiments, after the aramid fiber belt 34 is wound around the bead core steel wire 33, the bead coating rubber 32 is arranged on the outermost layer, the section of the bead in the circumferential direction is circular, the circular design stress of the bead is more uniform, the stress damage to the framework material of the bead part and the rubber component can be reduced, and the durability and the safety performance of the pneumatic tire are improved.
In some embodiments, the bead ring is completely covered by the bead filler under the bead ring, the bead ring positioning is determined by L 1 and L 2 (the bead ring is placed in the central area of the bead seat, L1 and L2 are equal, L1 is 1/2 of the total width of the bead, the bead ring diameter is set within 60% of the total width of the bead), the value of L 1 ranges between 15 and 30mm, the value of L 2 ranges between 15 and 30mm, when the pneumatic tire bead portion 3 is assembled with the rim bead seat 4 and inflated, at this time, L 1、L2 becomes L 1'、L2' due to the compression of the bead portion 3, and at any time, L 1'＜L1、L2'＜L2.
As can be seen from fig. 7 of the specification, in some embodiments, a steel core glue-hanging reinforcing structure is disposed on a steel wire axis of the steel wire ring core 33, the steel core glue-hanging reinforcing structure includes a plurality of glue-hanging reinforcing nodes 31, the steel wire ring core 33 is axially provided with a plurality of glue-hanging reinforcing nodes 31 at equal intervals, the glue-hanging reinforcing nodes 31 are part conical structures, the small radius ends of the glue-hanging reinforcing nodes 31 are the same as the diameter of the steel wire ring core, and the large radius ends of the glue-hanging reinforcing nodes 31 are larger than the diameter of the steel wire ring core, in the particular implementation process, the unidirectional linear array arrangement of the steel core glue-hanging reinforcing nodes 31 is used for reinforcing the structure of the steel wire ring core, and meanwhile, the glue-hanging reinforcing nodes 31 of the part conical structures can increase the contact area of the glue-hanging of the steel core and improve the attaching stability of the glue-hanging;
In some embodiments, the steel wire circumferential section of the bead ring core 33 is provided with a micro reinforcing structure, the micro reinforcing structure comprises a plurality of reinforcing ribs 37, the outer axial side of the bead ring core is provided with a plurality of reinforcing ribs 37 in an annular array, the plurality of reinforcing ribs 37 and the bead ring core 33 are of an integrated structure, and in the specific implementation process, the plurality of reinforcing ribs 37 are arranged on the outer side of the bead ring core 33 in a surrounding manner and are integrally formed, so that the circumferential structural strength of the bead ring core 33 can be enhanced, and the overall structural strength of the bead ring core 33 is enhanced.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (9)
1. The steel wire ring structure comprises a steel wire ring core part, wherein the steel wire ring core part is an annular closed steel wire, and is characterized in that an aramid fiber belt is spirally wound outside the steel wire ring core part in multiple layers, and the outside of the aramid fiber belt is wrapped with steel wire ring coating glue;
the aramid fiber belt consists of aramid fiber skeleton fibers and aramid fiber hanging glue;
The aramid skeleton fiber consists of a plurality of fiber filaments which are arranged in a single-line array and have circular circumferential sections, and the aramid hanging glue is a strip-shaped body with a rectangular section and wrapped on the outer side of the aramid skeleton fiber;
The cross section width of the aramid hanging glue is 5-12 mm, and the cross section thickness of the aramid hanging glue is 0.4-1.5 mm; the aramid fiber belt has about 1% compression in the center direction of the section of the core part of the bead ring and has an elongation of not more than 0.5%;
the circumferential section of the steel wire of the bead ring core is circular, and the value range of the section diameter is 3-15 mm;
The steel wire circumferential section of bead ring core is provided with miniature reinforced structure, miniature reinforced structure includes a plurality of strengthening ribs, the radial outside of bead ring core is annular array and is provided with a plurality of strengthening ribs, a plurality of strengthening ribs and bead ring core structure as an organic whole.
2. The bead ring structure according to claim 1, wherein the aramid skeleton fiber is a modified polyester aramid fiber, and the aramid ribbon is wound around the core steel wire in a single-layer staggered and overlapped manner.
3. The bead ring structure according to claim 1, wherein the aramid fiber tape is wound around the core steel wire at a winding angle of 30-60 degrees and a winding distance of 5-12 mm.
4. A bead ring structure according to claim 1, wherein the steel wire of the bead ring core is of die-cast jointless design.
5. A bead ring structure according to claim 1, wherein the bead ring-coated outer circumferential cross section is of circular configuration.
6. A bead ring structure according to claim 1, wherein the young's modulus of the bead ring core steel wire is between 150-210 GPa.
7. A pneumatic tire comprising the bead ring structure of any one of claims 1-6, comprising a bead ring core, an aramid fiber tape and a bead ring coating, wherein the outside of the bead ring core is spirally wound with the aramid fiber tape in multiple layers, and the outside of the aramid fiber tape is wrapped with the bead ring coating;
The pneumatic tire further comprises a tire crown part, a tire side part, a tire bead part and a tire bead seat, wherein the tire crown part, the tire side part and the tire bead part are integrally extended to form a ring-like structure, the tire bead seat is assembled outside the tire bead part, the tire bead part comprises an upper bead rubber and a lower bead rubber of a bead, a tire body, a bead reinforcing layer, a bead abrasion-resistant rubber, part of tire side rubber and an inner liner rubber which are reversely wrapped in the bead, and the tire body and the lower bead rubber are jointly wrapped outside the bead rubber.
8. A pneumatic tire as in claim 7, wherein said bead core has a cross-sectional diameter within 6% of the bead seat width.
9. A pneumatic tire according to claim 7, wherein the length from the axis of the bead core to the end point of the outer periphery of the cross section of the abrasion-resistant rubber at the toe opening is L1, the length from the axis of the bead core to the bottom edge of the outer periphery of the cross section of the abrasion-resistant rubber at the bead is L2, the value of L1 is 15 to 30mm, and the value of L2 is 15 to 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310035585.XA CN115972822B (en) | 2023-01-10 | 2023-01-10 | Bead ring structure and pneumatic tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310035585.XA CN115972822B (en) | 2023-01-10 | 2023-01-10 | Bead ring structure and pneumatic tire |
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| Publication Number | Publication Date |
|---|---|
| CN115972822A CN115972822A (en) | 2023-04-18 |
| CN115972822B true CN115972822B (en) | 2024-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310035585.XA Active CN115972822B (en) | 2023-01-10 | 2023-01-10 | Bead ring structure and pneumatic tire |
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| CN (1) | CN115972822B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306630A (en) * | 2008-07-01 | 2008-11-19 | 中橡集团曙光橡胶工业研究设计院 | Meridian bead structure for aviation tyres |
| CN102107589A (en) * | 2011-01-28 | 2011-06-29 | 李勇 | Rigid ring for tire |
| WO2022183376A1 (en) * | 2021-03-02 | 2022-09-09 | 横滨橡胶株式会社 | Pneumatic tire |
| CN219256963U (en) * | 2023-01-10 | 2023-06-27 | 贵州轮胎股份有限公司 | Bead ring structure and pneumatic tire |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1276298A (en) * | 1968-07-23 | 1972-06-01 | Dunlop Holdings Ltd | Improvements in or relating to pneumatic tyres |
| GB1514826A (en) * | 1974-09-26 | 1978-06-21 | Uniroyal Gmbh | Pneumatic vehicle tyre |
| FR2601294B1 (en) * | 1986-07-09 | 1988-11-10 | Michelin & Cie | ROD FOR TIRE COVERS INCLUDING RIBS; PROCESS FOR MAKING THIS TRINGLE; TIRE COVERS INCLUDING SUCH A PIPE. |
| JPH082208A (en) * | 1994-06-23 | 1996-01-09 | Bridgestone Corp | Pneumatic radial tire for heavy load |
| KR100256509B1 (en) * | 1997-03-27 | 2000-06-01 | 신형인 | Airplane tire |
| JP2008155728A (en) * | 2006-12-22 | 2008-07-10 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| DE102014207193B4 (en) * | 2014-04-15 | 2023-06-29 | Continental Reifen Deutschland Gmbh | Vehicle Pneumatic Tires |
| CN105346336A (en) * | 2015-12-14 | 2016-02-24 | 刘安林 | Tire and cable tire bead |
-
2023
- 2023-01-10 CN CN202310035585.XA patent/CN115972822B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306630A (en) * | 2008-07-01 | 2008-11-19 | 中橡集团曙光橡胶工业研究设计院 | Meridian bead structure for aviation tyres |
| CN102107589A (en) * | 2011-01-28 | 2011-06-29 | 李勇 | Rigid ring for tire |
| WO2022183376A1 (en) * | 2021-03-02 | 2022-09-09 | 横滨橡胶株式会社 | Pneumatic tire |
| CN219256963U (en) * | 2023-01-10 | 2023-06-27 | 贵州轮胎股份有限公司 | Bead ring structure and pneumatic tire |
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| CN115972822A (en) | 2023-04-18 |
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