WO2005087516A1 - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- WO2005087516A1 WO2005087516A1 PCT/JP2005/002446 JP2005002446W WO2005087516A1 WO 2005087516 A1 WO2005087516 A1 WO 2005087516A1 JP 2005002446 W JP2005002446 W JP 2005002446W WO 2005087516 A1 WO2005087516 A1 WO 2005087516A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- carcass
- tire
- reinforcing
- pneumatic tire
- Prior art date
Links
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
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
-
- 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
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
- B60C9/2009—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords comprising plies of different materials
-
- 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
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C2009/1892—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers with belt ply radial inside the carcass structure
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10765—Characterized by belt or breaker structure
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10765—Characterized by belt or breaker structure
- Y10T152/10792—Structure where each bias angle reinforcing cord ply has no opposingly angled ply
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10765—Characterized by belt or breaker structure
- Y10T152/10801—Structure made up of two or more sets of plies wherein the reinforcing cords in one set lie in a different angular position relative to those in other sets
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10855—Characterized by the carcass, carcass material, or physical arrangement of the carcass materials
Definitions
- the present invention relates to a pneumatic tire having a reinforcing layer that overlaps a carcass layer in a tread portion.
- the carcass layer extends in a toroidal shape between the beads, and has two carcass layers serving as a carcass ply force, a belt layer disposed outside the carcass layer in the radial direction and composed of a plurality of belt plyers, and And a tread having a plurality of main grooves formed on the outer periphery of the carcass ply and the belt layer, and the two carcass plies have organic fiber cables inclined in the opposite direction to the tire equator.
- a flat reinforcing cord is embedded, while a non-extensible reinforcing cord made of steel or the like or a reinforcing cord that also has an organic fiber strength is embedded in the belt ply at an angle of 10 to 40 degrees to the tire equator in the opposite direction. It was done.
- the above-described carcass layer is formed of one carcass ply, or the reinforcing cord embedded in the carcass ply is formed of a non-extensible steel cord. It is also known that it is inclined at 90 degrees to the tire equator (extending in the radial direction).
- the inventor of the present invention has conducted intensive studies and found that the contact pressure of a land portion (for example, a rib or a block) located between a tread end and a main groove and between adjacent main grooves in a contact area is mainly reduced.
- the height is high at both sides in the width direction near the groove, but low at the center in the width direction, making it uneven.
- the steering stability was reduced, and that both sides of the land in the width direction were worn earlier than the center, resulting in uneven wear and reduced wear resistance.
- the present inventors have further studied what mechanism causes the above-described nonuniformity of the contact pressure to occur, and have obtained the following findings. That is, as shown in FIG. 9, when the pneumatic tire 11 is rolling while receiving a load, the carcass layer 12 and the belt layer 13, which are located in the ground contact area, have a land portion 14 (rib, block, etc.). Deformation of the overlapping portion is restricted by the land portion 14 acting as a tension, but the portion overlapping with the main groove 15 between the land portions 14 does not have the land portion 14 serving as the tension. However, deformation in the radial direction is allowed.
- the present invention has been made based on the above-mentioned knowledge, and has at least one carcass layer extending in a toroidal shape between beads and having a carcass ply force, and a belt layer disposed radially outside the carcass layer.
- a tread which is disposed radially outside the carcass layer and the belt layer and has a plurality of main grooves formed on an outer periphery thereof, and a radially outermost tread portion.
- a reinforcing layer in which a steel cord extending in the approximate direction including the tire width direction is embedded radially inward of the outer carcass ply is disposed so as to overlap the main groove.
- the approximate direction including the tire width direction which is the extending direction of the steel cord
- V ⁇ which is not the direction approximating the tire circumferential direction. It is inclined at 90 degrees.
- the reinforcing layer is arranged at a position somewhat away from the neutral axial force compressing side of the bending, that is, radially inward of the outermost carcass ply in the radial direction, and
- a steel cord extending in the approximate direction including the tire width direction, which functions as a tension resisting the compressive force, is embedded.
- the radial function from the neutral axis of the bending to the reinforcing layer becomes longer, so that the reinforcing function of the reinforcing layer can be further strengthened.
- the cut end of the steel cord in the reinforcing layer is surrounded by the carcass ply, so that cracks are effectively generated at the widthwise outer end of the reinforcing layer. Is suppressed.
- the operation of forming the tire that is, the operation of attaching the reinforcing layer is simplified, and the arc-shaped deformation in all the main grooves can be effectively suppressed.
- FIG. 1 is a meridional section of a pneumatic tire showing one embodiment of the present invention.
- FIG. 2 is a partially broken plan view of a tread portion.
- FIG. 3 is a meridian sectional view of a pneumatic tire showing another embodiment of the present invention.
- FIG. 4 is a perspective view of a test piece.
- FIG. 5 is a graph showing test results.
- FIG. 6 is a meridional section of the pneumatic tire used in Test Example 2.
- FIG. 7 is a meridional cross-sectional view illustrating a wear state of the pneumatic tire used in Test Example 2.
- FIG. 8 is a meridional section of the pneumatic tire used in Test Example 3.
- FIG. 9 is a meridional cross-sectional view illustrating deformation of a carcass layer and a belt layer at a portion overlapping with a main groove.
- reference numeral 21 denotes a pneumatic tire mounted on a car, truck, bus, or the like.
- the pneumatic tire 21 includes a pair of bead portions 23 each having a ring-shaped bead 22 embedded therein, and these bead portions.
- the pneumatic tire 21 has a carcass layer 28 extending in a toroidal shape between the beads 22 to reinforce a side wall portion 24 and a tread portion 25. Both ends of the carcass layer 28 are Axial inward force around 22 Axial outward outward force.
- the carcass layer 28 is composed of at least one carcass ply 29, 30 here, and the inside of each of the carcass plies 29, 30 crosses the tire equator S at 90 degrees, that is, radially.
- the above-described reinforcing cords 31 and 32 may intersect with the tire equator S at a large angle, for example, about 70 degrees, but in this case, the inclination directions of these reinforcing cords 31 and 32 Are turned in opposite directions by carcass plies 29, 30 and these reinforcing cords 31, 32 cross each other.
- Reference numeral 33 denotes a belt layer disposed radially outside of the carcass layer 28.
- the belt layer 33 is formed by stacking a plurality of (two in this case) belt plies 34, 35,
- the inside of the plies 34, 35 is made of, for example, steel, aromatic polyamide fiber
- the reinforcing cords 36, 37 embedded in the belt plies 34, 35 are inclined at an angle of 10 to 40 degrees with respect to the tire equator S, and at least two belt plies 34, 35
- the tires are inclined in the opposite direction to the equator S and cross each other!
- Reference numeral 38 denotes a pair of auxiliary layers which are disposed at both ends in the width direction of the belt layer 33 in the radial direction and are composed of at least one auxiliary ply 39.
- Reinforcing cords 40 which are also composed of fibers, for example nylon or polyester, are embedded.
- Reference numeral 41 denotes a rubber-like tread disposed radially outside the carcass layer 28 and the belt layer 33.
- a plurality of treads 41 extending on the outer periphery of the tread 41 and extending substantially in the circumferential direction are provided.
- Four main grooves 42 are formed.
- these main grooves 42 may extend linearly as in this embodiment, but may also be bent in a zigzag shape, and may have a slight angle with respect to the circumferential direction, for example, 30 degrees. It may be inclined at a degree and have a substantially square shape.
- a land portion 44 is defined between the tread end 43 and the main groove 42 and between the adjacent main grooves 42.
- a lateral groove extending substantially in the tire width direction and intersecting the main groove 42 may be formed on the outer periphery of the above-described tread 41.
- the above-mentioned land portion 44 is a block.
- the pneumatic tire 21 After the pneumatic tire 21 is filled with a predetermined internal pressure and then rolled on a road surface, the pneumatic tire 21 overlaps with the main groove 42 of the carcass layer 28 and the belt layer 33 in the ground contact area.
- the land portion 44 that functions as a tension does not exist near the part where the belt layer 33 is located, and the bending strength of the belt layer 33 is relatively low.
- a tensile force is generated radially outward from the bending neutral axis (usually located near the innermost belt ply 34 in the radial direction), while a compressive force is generated inside the radially inward direction. Try to.
- a large number of steel cords extending radially inward of the outermost carcass ply 30 located in the tread portion 25 in the approximate direction including the tire width direction. 47 is buried, and a reinforcing layer 49 composed of at least one reinforcing ply 48 overlapping the main groove 42 is arranged.
- the approximate direction including the tire width direction which is the extending direction of the code 47, is not a direction approximating the tire circumferential direction, but a direction including both the tire width direction and the direction approximating the tire width direction. Specifically, it is a direction inclined at 45-90 degrees to the tire equator S.
- the reinforcing layer 49 is disposed radially inward from all the carcass plies 29, 30, that is, the innermost force ply 29 in the radial direction.
- the radial distance from the bending neutral axial force reinforcing layer 49 to the reinforcing layer 49 is increased, and the strut function of the reinforcing layer 49 by the steel cord 47 is further strengthened.
- steering stability and wear resistance can be further improved.
- the reinforcing layer 49 is provided between the adjacent carcass plies 29 and 30 as shown in FIG. It may be arranged. In such a position, the radial distance from the neutral axis of the bending to the reinforcing layer 49 is short, so that the effect of suppressing the arc-shaped deformation is slightly reduced. Since the cut end of the steel cord 47 is surrounded by the carcass plies 29 and 30, the generation of cracks at the widthwise outer end of the reinforcing layer 49 can be effectively suppressed.
- the intersection angle K of the steel cord 47 embedded in the reinforcing layer 49 with respect to the tire equator S be within a range of 60 to 90 degrees.
- the reason is When the crossing angle K is within the above-mentioned range, the arc deformation is strongly suppressed as shown in the test results described later, and this leads to a strong improvement in steering stability and wear resistance. is there. And, the larger the angle range is, the stronger the effect of suppressing the arc-shaped deformation.
- a reinforcing layer with a crossing angle of the steel cord 47 different from the tire equator S by 10 degrees is attached to the top surface, and the length of each side is 00 mm and the thickness is 8 mm.
- the rubber sheets are placed on a pair of horizontal support members extending parallel to the tire equator S and separated by 80 mm.
- a load was applied by placing a 4.9 N square pillar-shaped weight extending parallel to the tire equator S on the center in the width direction of the tire.
- the maximum amount of radius when the above-described load is applied to each rubber sheet is measured, and the reciprocal of the amount of radius when the crossing angle K is 90 degrees is calculated as a radius suppression index of 100. This is shown in FIG.
- the maximum radius of the rubber sheet having the intersection angle K of 90 degrees was 3.0 mm.
- a steel cord 47 is formed by twisting three strands having a wire diameter of 0.23 mm, and such steel cords 47 are arranged in parallel at 2 mm intervals.
- the carcass layer 28 is composed of two carcass plies 29, 30 in which reinforcing cords 31, 32 made of organic fibers inclined in the opposite direction to the tire equator S are embedded.
- the reinforcing layer 49 is disposed radially inward of all the carcass plies 29 and 30, that is, radially inward of the innermost carcass ply 29, the steel cord in the reinforcing layer 49.
- the extending direction of 47 is parallel to the extending direction of the reinforcing cord 31 in the innermost carcass 29 adjacent to the reinforcing layer 49.
- the carcass layer 28 is composed of two carcass plies 29, 30 in which reinforcing cords 31, 32, which also have an organic fiber strength inclined in the opposite direction to the tire equator S, are embedded.
- the reinforcing layer 49 is disposed between the two adjacent carcass plies 29, 30 as shown in FIG. 3, the extending direction of the steel cord 47 in the reinforcing layer 49 is adjacent to the reinforcing layer 49.
- Reinforcement cord inside the inner carcass ply 29 or the outer carcass ply 30 It is preferable that the direction is parallel to the extending direction of the reinforcing cords 31 or 32.
- the width W of the reinforcing layer 49 is preferably wider than the distance M between the outer wall surfaces 42a of the two main grooves 42 located on the outermost side in the width direction.
- the reason for this is that, in this way, the work of forming the pneumatic tire 21, that is, the work of attaching the reinforcing layer 49, is simplified, and the arcuate deformation of all the main grooves 42 can be effectively suppressed. It is.
- the width W of the reinforcing layer 49 is wider than the tread width, a crack may be generated at the outer end in the width direction of the reinforcing layer 49. Therefore, the width W of the reinforcing layer 49 must be smaller than the tread width. Must.
- the reinforcing layers 49 constitute the same number of reinforcing layer pieces as the main grooves 42 which are arranged at positions overlapping with the main grooves 42 and are slightly wider than the width of the main grooves 42, or It overlaps with the main groove 42 located on one side and the other side of the tire equator S, and is slightly wider than the distance between the main grooves 42 located on one side and the distance between the main grooves 42 located on the other side 2
- One reinforcing layer may be configured.
- Test Example 1 the intersection of the conventional tire 1 with no reinforcing layer and the comparative tire 1 with the reinforcing layer in which a steel cord with a crossing angle K of 30 degrees was buried was arranged radially inside the innermost carcass ply.
- Tire 1 in which a reinforcing layer in which a steel cord with an angle K of 90 ° is embedded is placed between two carcass plies, and a reinforcing layer in which a steel cord with an intersection angle K of 90 ° is embedded is used as the innermost carcass ply.
- a working tire 3 in which a reinforcing layer in which a steel cord with a crossing angle K of 70 ° was embedded was placed radially inside the innermost carcass ply.
- each of the tires described above was a tire for a passenger car, and had a size of 215 / 55R15. Also, These tires have the structure shown in Figs. 1 and 3 and have two carcass layers with nylon carcass embedded at 90 degrees crossing the tire equator S, which also has a carcass ply force.
- a belt layer consisting of two belt breakers with embedded steel cords that intersect at 25 degrees in the opposite direction, an auxiliary layer with nylon cords extending substantially parallel to the tire equator S, and a 0.23 mm wire diameter.
- the force was 0.7 mm in 1 and 0.6 mm in Comparative Tire 1. It decreased to 0.3 mm in Working Tire 1, 0.1 mm in Working Tire 2, and 0.2 mm in Working Tire 3! /.
- the conventional tire 1 and the practical tires 1 and 2 described above were mounted on a passenger car, and the test driver evaluated the steering stability.
- the execution tire 2 was evaluated as responding quickly and moving crisply, while the execution tire 1 was not as strong as the execution tire 2, but was clearly steerable compared to the conventional tire 1.
- the stability was evaluated as being improved.
- the evaluation was expressed as an index with the conventional tire 1 as 100 points, it was 80 points in the execution tire 1 and 60 points in the execution tire 2.
- the smaller the score the better the steering stability.
- Test Example 2 will be described.
- two carcass ply tires were used, which consisted of a conventional tire 2 without a reinforcement layer and a reinforcement layer in which a steel cord with an intersection angle K of 70 degrees parallel to the reinforcement cord in the outer carcass ply was embedded.
- An implementation tire 4 placed between the two carcass plies, and a reinforcement layer in which a steel cord with a crossing angle K of -70 degrees parallel to the reinforcement cords in the inner carcass ply is embedded is placed between the two carcass plies.
- a tire 5 and a practical tire 6 in which a reinforcing layer in which a steel cord having an intersection angle K of 90 degrees was embedded was disposed between two carcass plies were prepared.
- each of the tires described above was a tire for a light truck and had a size of 265 / 75R16. These tires have the structure shown in Fig. 6 and are changed at 70 degrees to the tire equator S.
- the inner carcass ply with embedded nylon cords and the outer carcass ply with embedded nylon cords crossing at 70 degrees to the tire equator S, and the carcass ply with the inner cord and the tire equator S 25 Two belt layers with embedded steel cords that cross in opposite directions at different degrees, and a nylon layer that extends substantially parallel to the tire equator S, and embeds two belt layers that cover the belt layer from the outside with full width.
- Auxiliary layer consisting of an auxiliary plier and a reinforcing layer with a width of ⁇ OOmm composed of steel cords formed by twisting three strands with a wire diameter of 0.23 mm and forming them at intervals of 2 mm. was used.
- the force was 0.9 mm in Example 2 and decreased to 0.2 mm in Example tire 4, 0.2 mm in Example tire 5, and 0.1 mm in Example tire 6! /.
- the conventional tire 2 and the practical tire 4 were run at a speed of 60 km / h on a drum having a rough outer peripheral surface at a speed of 60 km / h while applying a load of 5 kN.
- the slip angle was repeatedly changed in the order of 0.5 °, 0 °, -0.5 °, 0 °, 0.5 °, 0 °... Every 20 seconds.
- the force measured by measuring the amount of wear at points A, B, C, D, E, and F on the outer surface of the tread in the two tires is 1.5 mm and 2.0 mm in the conventional tire 2, respectively.
- the wear amount was significantly different at the land end and the center of the land, but in the implemented tire 4, it was 1.6mm, 1.7mm, 1.6mm, 1.7mm, 2.1, respectively.
- mm and 1.9mm the force measured by measuring the amount of wear at points A, B, C, D, E, and F on the outer surface of the tread in the two tires.
- Test Example 3 will be described.
- a working tire 8 in which a reinforcing layer in which a steel cord of 90 ° was embedded was disposed radially inside the innermost carcass ply.
- each of the tires described above was a tire for a passenger car, and had a size force of 45 / 40R17.
- these tires have the structure shown in Fig. 8 and have two carcass layers that have a carcass ply force that embeds a nylon cord that intersects the tire equator S at 90 degrees.
- a belt layer with an embedded aromatic polyamide fiber cord that intersects at 25 degrees in the opposite direction is embedded, and a nylon cord that extends substantially parallel to the tire equator S is embedded.
- An auxiliary layer consisting of two auxiliary pliers covering the entire width, and a reinforcing layer with a width of 190 mm composed of steel cords formed by twisting three strands with a wire diameter of 0.3 mm at intervals of 3 mm.
- the conventional tire 3 and the practical tire 7 described above were mounted on a passenger car, and the driving stability was evaluated by a test driver. As a result, at all corners, the implementation tire 7 was evaluated as having better handling stability and improved braking performance. In addition, when running on a small circuit, where one lap took 40 seconds, the vehicle was able to run 1.2 seconds faster when the running tire 7 was mounted than when the conventional tire 3 was mounted.
- the present invention can be applied to the industrial field of pneumatic tires.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/592,509 US7617855B2 (en) | 2004-03-12 | 2005-02-17 | Pneumatic tire |
ES05719248T ES2389374T3 (es) | 2004-03-12 | 2005-02-17 | Neumático |
EP05719248A EP1726458B1 (en) | 2004-03-12 | 2005-02-17 | Pneumatic tire |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-071655 | 2004-03-12 | ||
JP2004071655A JP4498778B2 (ja) | 2004-03-12 | 2004-03-12 | 空気入りタイヤ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005087516A1 true WO2005087516A1 (ja) | 2005-09-22 |
Family
ID=34975437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/002446 WO2005087516A1 (ja) | 2004-03-12 | 2005-02-17 | 空気入りタイヤ |
Country Status (6)
Country | Link |
---|---|
US (1) | US7617855B2 (ja) |
EP (1) | EP1726458B1 (ja) |
JP (1) | JP4498778B2 (ja) |
CN (1) | CN1946574A (ja) |
ES (1) | ES2389374T3 (ja) |
WO (1) | WO2005087516A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009101992A (ja) * | 2007-10-22 | 2009-05-14 | Goodyear Tire & Rubber Co:The | 多重プライモジュール構成のタイヤカーカス |
JP2012153214A (ja) * | 2011-01-25 | 2012-08-16 | Bridgestone Corp | タイヤ |
WO2016185835A1 (ja) * | 2015-05-21 | 2016-11-24 | 株式会社ブリヂストン | 空気入りタイヤ |
WO2020129973A1 (ja) * | 2018-12-17 | 2020-06-25 | 株式会社ブリヂストン | タイヤ |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007210535A (ja) * | 2006-02-10 | 2007-08-23 | Bridgestone Corp | 自動二輪車用タイヤ |
FR2924980B1 (fr) * | 2007-12-18 | 2011-05-06 | Michelin Soc Tech | Pneumatique allege comportant une couche de sommet radialement interieure a la structure de carcasse |
JP5293015B2 (ja) * | 2008-09-05 | 2013-09-18 | 横浜ゴム株式会社 | レーシングカート用バイアスタイヤ |
JP2011111088A (ja) * | 2009-11-30 | 2011-06-09 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
FR2953762B1 (fr) * | 2009-12-14 | 2011-12-09 | Michelin Soc Tech | Pneumatique dont le sommet est pourvu d'une armature de rigidification. |
US20110253281A1 (en) * | 2010-04-15 | 2011-10-20 | Michelin Recherche et Technique SA and Societe de Technologie Michelin | Tire With A Belt Having Offset Cables |
CN101927663B (zh) * | 2010-06-30 | 2012-12-05 | 杭州零度轮胎技术有限公司 | 一种轮胎及其生产工艺 |
JP5575597B2 (ja) * | 2010-09-28 | 2014-08-20 | 株式会社ブリヂストン | 空気入りタイヤ |
JP6306862B2 (ja) * | 2013-11-18 | 2018-04-04 | 住友ゴム工業株式会社 | 空気入りタイヤ |
CN105793697B (zh) * | 2013-12-03 | 2018-10-19 | 横滨橡胶株式会社 | 轮胎检查方法及其装置 |
CN107743448B (zh) * | 2015-06-16 | 2019-08-16 | 米其林集团总公司 | 具有包括增强帘布层和高牵引胎面的胎冠的充气轮胎 |
FR3094272A1 (fr) * | 2019-03-28 | 2020-10-02 | Compagnie Generale Des Etablissements Michelin | Pneumatique à couches de travail comprenant une architecture et une sculpture optimisées |
CN111674204A (zh) * | 2020-06-08 | 2020-09-18 | 江苏通用科技股份有限公司 | 一种均匀受力防扎轮胎胎冠结构 |
WO2023042762A1 (ja) * | 2021-09-15 | 2023-03-23 | 株式会社ブリヂストン | タイヤ |
US20230191839A1 (en) * | 2021-12-17 | 2023-06-22 | The Goodyear Tire & Rubber Company | Pneumatic tire |
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JPS5137402A (ja) * | 1974-07-25 | 1976-03-29 | Michelin & Cie | |
JPS53102503A (en) * | 1977-01-11 | 1978-09-06 | Dunlop Co Ltd | Pneumatic tire |
JP2002205509A (ja) | 2001-01-05 | 2002-07-23 | Yokohama Rubber Co Ltd:The | 空気入りバイアスタイヤ及びその製造方法 |
JP2004268820A (ja) * | 2003-03-11 | 2004-09-30 | Bridgestone Corp | 空気入りタイヤ |
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US3735791A (en) * | 1971-06-07 | 1973-05-29 | Goodyear Tire & Rubber | Pneumatic tire |
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US6478064B1 (en) * | 1998-05-15 | 2002-11-12 | Sumitomo Rubber Industries, Ltd. | Heavy duty radial tire with chafer height greater than bead apex height |
US6561245B1 (en) * | 1998-07-10 | 2003-05-13 | The Goodyear Tire & Rubber Company | Thread reinforcement means for extended mobility tire |
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- 2004-03-12 JP JP2004071655A patent/JP4498778B2/ja not_active Expired - Fee Related
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- 2005-02-17 ES ES05719248T patent/ES2389374T3/es active Active
- 2005-02-17 CN CNA2005800128841A patent/CN1946574A/zh active Pending
- 2005-02-17 EP EP05719248A patent/EP1726458B1/en not_active Expired - Fee Related
- 2005-02-17 US US10/592,509 patent/US7617855B2/en not_active Expired - Fee Related
- 2005-02-17 WO PCT/JP2005/002446 patent/WO2005087516A1/ja active Application Filing
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JPS53102503A (en) * | 1977-01-11 | 1978-09-06 | Dunlop Co Ltd | Pneumatic tire |
JP2002205509A (ja) | 2001-01-05 | 2002-07-23 | Yokohama Rubber Co Ltd:The | 空気入りバイアスタイヤ及びその製造方法 |
JP2004268820A (ja) * | 2003-03-11 | 2004-09-30 | Bridgestone Corp | 空気入りタイヤ |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009101992A (ja) * | 2007-10-22 | 2009-05-14 | Goodyear Tire & Rubber Co:The | 多重プライモジュール構成のタイヤカーカス |
JP2012153214A (ja) * | 2011-01-25 | 2012-08-16 | Bridgestone Corp | タイヤ |
WO2016185835A1 (ja) * | 2015-05-21 | 2016-11-24 | 株式会社ブリヂストン | 空気入りタイヤ |
JP2016215853A (ja) * | 2015-05-21 | 2016-12-22 | 株式会社ブリヂストン | 空気入りタイヤ |
CN107614285A (zh) * | 2015-05-21 | 2018-01-19 | 株式会社普利司通 | 充气轮胎 |
CN107614285B (zh) * | 2015-05-21 | 2019-11-22 | 株式会社普利司通 | 充气轮胎 |
WO2020129973A1 (ja) * | 2018-12-17 | 2020-06-25 | 株式会社ブリヂストン | タイヤ |
JP2020097260A (ja) * | 2018-12-17 | 2020-06-25 | 株式会社ブリヂストン | タイヤ |
Also Published As
Publication number | Publication date |
---|---|
CN1946574A (zh) | 2007-04-11 |
EP1726458B1 (en) | 2012-06-20 |
US7617855B2 (en) | 2009-11-17 |
ES2389374T3 (es) | 2012-10-25 |
JP4498778B2 (ja) | 2010-07-07 |
JP2005255060A (ja) | 2005-09-22 |
US20070204947A1 (en) | 2007-09-06 |
EP1726458A4 (en) | 2008-10-01 |
EP1726458A1 (en) | 2006-11-29 |
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