1419results about "Tyre sidewalls" patented technology

A wireless power reception system includes a power transmission device, a power reception device, a wheel with a rim, and a tire mounted on the rim. The tire includes a bead core and a bead filler, a tire width direction cross-sectional area S1 of the bead filler is one to eight times a tire width direction cross-sectional area S2 of the bead core, the power transmission device can transmit electric power with a frequency of 1000 kHz or less wirelessly, the power reception device is disposed farther inward in the tire radial direction than a tread portion of the tire, the power reception device receives the electric power wirelessly from the power transmission device in a state such that the power transmission device is located farther outward in the tire radial direction than the tire, and the tread portion of the tire is formed from a non-magnetic material.

A pneumatic tire that is an example of an embodiment includes a tread and a sidewall, and the sidewall has at least one side block. At an inner end of the side block in a tire radial direction, a protrusion is formed that protrudes outward in a tire axial direction. A height H2 of the protrusion is, for example, between 1.1 and 3.0 times a height H1 of a highest portion of the side block other than the protrusion.

A tire or other rubber item is described that has a surface such as a sidewall. A region on the surface includes a plurality of protrusions. The protrusions are positioned in a pseudo-random pattern within the region. Various features of the protrusions may be varied in a random or pseudo-random manner.

To provide a tire for a heavy load 2 capable of suppressing generation of SFC that affects appearance quality while maintaining durability.SOLUTION: A tire 2 includes a pair of beads 10, a carcass 12, a pair of side walls 6, a pair of chafers 8, and a tag member 22 including an RFID tag 54. The carcass 12 includes a carcass ply 36. The carcass ply 36 includes a ply body 38 and a pair of folding part 40. A plurality of recesses 62 are provided in a side surface 26 of the tire 2 including the maximum width position PW of the tire 2. An end PF of the folding part 40 and the plurality of recesses 62 overlap a boundary BS of the side wall 6 and the chafers 8. A first recess 62a is the recess located in the radially outermost side among the plurality of recesses 62. The RFID tag 54 is located in the radially inside of the maximum width position PW and located in the radially outside of the first recess 62a.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of tire manufacturing, in particular to a foaming PU tire. According to the scheme provided by the invention, the protective raised lines are arranged on the two sides of the tire body, so that a raised protective layer is formed. When the tire encounters sharp objects during running, the tire firstly contacts the protective raised lines, so that the sharp objects are prevented from directly scratching the side surfaces of the tire body. The protective raised lines are made of materials with good toughness, impact force from sharp objects can be absorbed and dispersed, and the protective effect is further improved. Therefore, the problem that the side face of an existing solid tire is easily scratched by sharp objects is effectively solved, and the service life of the tire is prolonged.

Provided is a pneumatic radial tire for passenger vehicles in which the cross-sectional width SW of the tire and the outer diameter OD of the tire satisfy a predetermined relationship, and an end of the carcass (an end of a carcass turn-up portion when the carcass has the carcass turn-up portion) in one tire width-direction half that is on the inner side when the tire is mounted on a vehicle is located on the inner side in the tire radial direction than an end of the carcass turn-up portion in the other tire width-direction half that is on the outer side when the tire is mounted on a vehicle.

The invention relates to a pneumatic tire for a vehicle, having at least one surface element (2) that is formed on the outer face of the tire and has a structure (6) which contrasts with a base level (NB) and gives the surface element (2) a roughness. The contrast structure (6) is made of a plurality of contrast structure cells (6a), which are joined together in a grid-like manner and which have a matching design in plan view, wherein the contrast structure cells (6a) have irregular peak and valley structures (6b) designed so as to cover the surface of the contrast structure cells, and the arrangement of the contrast structure cells (6a) and the design of the irregular peak and valley structures (6b) is such that, in plan view, the irregular peak and valley structures (6b) can be converted into one another by means of a congruence mapping process.

To provide a pneumatic tire that can suppress internal heat generation from increasing, reduce air resistance, improve steering stability on a wet road surface and improve driving performance on a dry road surface at the begging of driving.SOLUTION: A pneumatic tire 1 includes an outer wavy curved surface 30 formed on a tire side surface outside of a vehicle, of a pair of tire side surfaces and an inner wavy curved surface formed on a tire side surface inside of the vehicle. The wavy curved surfaces respectively are made wavy in a tire radial direction and in a tire circumferential direction so that the surfaces have a plurality of mountain-shape protrusions, in the tire radial direction and in the tire circumferential direction, on the corresponding tire side surfaces. Bottom edges of the plurality of outer mountain-shape protrusions 35 of the outer wavy curved surface constituting the plurality of mountain-shape protrusions do not overlap each other, in the tire circumferential direction, on outer mountain-shape protrusion rows 51 adjacently arranged in the tire radial direction. Bottom edges of the plurality of inner mountain-shape protrusions of the inner wavy curved surface overlap each other, in the tire circumferential direction, on inner mountain-shape protrusion rows adjacently arranged in the tire radial direction.SELECTED DRAWING: Figure 5

A tire fitted with a transponder comprises: a crown comprising a crown reinforcement having an axial end at each of its edges, connected at each of its axial ends by a sidewall to a bead having an interior end; a carcass reinforcement layer formed of parallel reinforcers, which is anchored in each bead around a bead wire to form a main part and a turn-up; the transponder comprising a core defining a first axis, a first cover filament helically twisted around the core and an electrical insulation device; and the first cover filament comprising at least two conductive filamentary elements galvanically connected to an electronic chip comprising a radiofrequency transmission-reception component. The thickness of elastomeric compound separating the outer cover filament, located radially outermost with respect to the first axis, and the reinforcements is greater than 0.5 millimeters.

The invention relates to a method implemented by a system (100) for recording coordinates of a visual indication of the uniformity of an identified tyre (P *) equipped with an RFID chip. The invention also relates to a system (100) implementing the disclosed method.

The utility model relates to an engineering tire reinforcing structure which comprises a tire body, the belted layer, the cord fabric layer and the tire bead steel wire are all arranged in the tire body; the side ring structures are arranged in the tire body and are arranged on the two sides of the belted layer respectively, each side ring structure comprises a mounting block, a connecting block and a movable connecting rod, a containing groove is formed in the surface of each connecting block, and the belted layer extends into the containing groove; and the movable connecting rod is movably connected with the mounting block and the connecting block at the same time. The side ring structure and other components are arranged, the side ring structure and the belted layer are matched, so that the acting force acts on the connecting blocks when the belted layer deforms, the mounting blocks and the connecting blocks form a cylinder, and the surface of the cylinder is an arc-shaped surface, so that when the cylinder blocks extrude a tire body under the action of the belted layer, the tire body is prevented from being damaged. The interaction force between the cylindrical block and the carcass can be dispersed to the surface of the cylindrical block.

Provided is a pneumatic tire capable of improving low fuel consumption performance by reducing air resistance during running. 【Solution means】The present invention is a pneumatic tire 1 including a ground contact surface 3a extending from a first ground contact end Te1 to a second ground contact end Te2, and a first side outer surface 6a extending inward in the tire radial direction from the first ground contact end Te1. The tread portion 3 has a first shoulder circumferential groove 4A and a first shoulder land portion 5A defined by the first shoulder circumferential groove 4A and the first ground contact end Te1. The ground contact surface 3a has a first virtual line L1, which is a tangent line at the intermediate position Pm in the tire axial direction of the first shoulder land portion 5A, having a first angle θ1 of 74 to 80° with respect to the tire radial direction. The first side outer surface 6a has a second virtual line L2, which is a tangent line at the first position P1, having a second angle θ2 of 36 to 40° with respect to the tire radial direction. The distance t in the tire radial direction between the first ground contact end Te1 and the tire equator C is 2% to 6% of the ground contact width TW.

To provide a tire in which visibility of an emblem can be improved.SOLUTION: A tire 1 comprises at a tire side part emblems 2 whose vertical directions are specified. The emblems 2 are arranged so that lower sides thereof are directed to outside in a tire radial direction. Further the tire 1 comprises a plurality of emblems 2 and 2 arranged separately in a tire circumferential direction. Each of the plurality of emblems 2 and 2 is arranged so that a lower side thereof is directed to outside in the tire radial direction. The tire 1 comprises, at the tire side part, surface processed areas 3 formed so that a plurality of uneven parts are arranged and smooth areas 4 having smooth surfaces. The whole of the emblems 2 are arranged in the smooth areas 4.SELECTED DRAWING: Figure 2

A disclosed example embodiment of a gauge wheel tire includes a first polyurethane sidewall portion, a second polyurethane sidewall portion, a polyurethane ground-engaging portion, and a polyurethane axial support portion. The first polyurethane sidewall portion is spaced apart from the second polyurethane sidewall portion, and the polyurethane ground-engaging portion extends from the first polyurethane sidewall portion to the second polyurethane sidewall portion and is adapted to contact a ground surface as the gauge wheel tire rotates about an axis of rotation. The polyurethane axial support portion extends from the first polyurethane sidewall portion to the second polyurethane sidewall portion, and is spaced apart from the polyurethane ground-engaging portion to form a gap that allows radial movement of the polyurethane ground-engaging portion relative to the polyurethane axial support portion.

To provide a tire which can improve snow traction performance.SOLUTION: A side block 4 of a tire comprises: a long block part 41 which is arranged overlapping with each of a first shoulder block and a second shoulder block in a tire radial direction; a short block part 42 which is arranged overlapping with each of the second shoulder block 322 and the long block part 41 in the tire radial direction; and an L-shaped groove 43 which penetrates through the side block 4 to partition the long block part 41 and the short block part 42. The L-shaped groove 43 connects a radial direction groove part 431 with a circumferential groove part 432 in an L-shaped state. An angle θ32 of inclination of the circumferential groove part 432 relative to the tire radial direction is within the range: 45°≤θ32≤135°.SELECTED DRAWING: Figure 6

A tire comprising a tread part (1) and a sidewall part (32), wherein the tread part and the sidewall part are each composed of a rubber composition comprising a rubber component comprising a hydrogenated styrene-butadiene rubber, and wherein L is 0.60 or more and 0.90 or less, and (St1 +St2)×T×L / 100 is 1.4 or less, where St1 represents a total styrene amount, in % by mass, of a rubber component constituting the tread part, St2 represents a total styrene amount, in % by mass, of a rubber component constituting the sidewall part, L represents a land ratio, and T represents a thickness, in mm, of a rubber layer constituting the sidewall part.

The invention relates to a vehicle tire comprising a tread provided for contacting the road surface, and two sidewalls which adjoin the tread. At least one sidewall has an identifier region. The identifier region comprises a multiplicity of identifier grooves which extend in the sidewall of the vehicle tire (10). The identifier grooves have in each case one inner corrugation having a multiplicity of elongate elevations and / or depressions which in the interior of the identifier grooves run transversely to the longitudinal direction of the identifier grooves. The elongate elevations and depressions, conjointly with the longitudinal direction of the identifier grooves, include in each case an angle in the range of 20° to 90°.

The present invention provides a tire which has a higher black density than conventional tires and which can achieve a higher contrast ratio. A tire (1) is provided with a pattern region (7) in at least a portion of the outer surface of a sidewall (3), the pattern region (7) being provided so as to be visible as a different portion from the periphery of the portion, the pattern region (7) being provided with a plurality of protrusions (110) protruding from a reference surface (7a), the protrusions (110) comprising: a recess (111) having an inverted conical or inverted pyramidal inner surface; an outer edge section (113) that surrounds the periphery of the recessed section (111); and a tapered main body section (112) connected to the reference surface (7a) from the outer edge section (113), the depth of the recessed section (111) being greater than the protruding height of the protrusion (110).

A pneumatic tire comprises: a tread portion having a ground contacting surface; a sidewall portions having an outer surface; a bead portions; a carcass extending between the bead portions; and an inner rubber extending between bead portions. The inner rubber comprises a first portion extending through the tread portion with a first thickness t1, and a second portion extending through the sidewall portion with a second thickness t2. The first thickness t1 is more than the second thickness t2. In a meridian cross section of the tire under its normal state, when a first reference point (Pb1), a second reference point (Pb2), a shoulder reference point (Ps), a reference line segment (Lb), and a shoulder line segment (Ls) are defined, then a length (L1) of the shoulder line segment (Ls) is 85.9% to 89.3% of a length (L2) of the reference line segment (Lb).

To provide a tire capable of improving a blackening performance and a performance of making a visual angle uniform in a ridge region.SOLUTION: A tire includes, on a tire side surface, a ridge region 5 including an array of a plurality of ridge units U (UA to UD). Each of the plurality of ridge units U includes a first ridge 52 having an annular structure and a second ridge 53 having a linear structure and extending along an inner periphery of the first ridge 52 in plan view of the tire side surface. The first ridge 52 is formed by connecting two or more annular projections 521a to 521c radially projecting from a ridge center and at least one annular recess 522a to 522c recessed toward the ridge center.SELECTED DRAWING: Figure 5

The utility model discloses a wear-resistant antiskid tire for climbing, and relates to the technical field of tires, the tire comprises a tread, a tire shoulder and a tire sidewall, the tread, the tire shoulder and the tire sidewall are communicated, the tread is provided with a plurality of pattern block groups, and the tire sidewall is provided with a reinforcing rib structure; the pattern block group comprises a middle pattern block, a first tread pattern block, a second tread pattern block, a third tread pattern block, a fourth tread pattern block and a fifth tread pattern block which are all irregular polygons, and the first tread pattern block and the second tread pattern block are both located on one side of the middle pattern block; the third tread pattern block is located on the side, away from the middle pattern block, of the first tread pattern block, the fifth tread pattern block is located on the side, away from the middle pattern block, of the second pattern block, and the fourth tread pattern block is located between the fifth tread pattern block and the second pattern block. And one end of the second tread pattern block is connected with the reinforcing rib structure. Through the unique pattern and reinforcing rib structural design, the tire climbing capacity is improved, the tire has the advantages of being good in drainage performance, wear resistance and skid resistance and the like, meanwhile, the inner tube is installed in an embedded mode, the edge of the inner tube and the edge of the tire are chamfered, and the simulation performance of the tire is improved.

A degradation state determination method for determining a degradation state of a target object based on a color of an indicator attached to the target object includes generating a color change database including data indicating a relationship between a change in color of the indicator and an amount of a degradation factor that causes the target object to degrade, selecting a color to be used for the indicator so that the amount of the degradation factor can be identified, acquiring an image of the indicator attached to the target object and extracting a color component from the image (S27), and determining, based on the color change database and the extracted color component, the degradation state of the target object using a degradation determination model that takes the amount of the degradation factor as an input and outputs an index of the degradation state of the target object (S30).

To restrain the color change of a different color rubber layer in a pneumatic tire in which a different color rubber layer is exposed on the external face of a sidewall part.SOLUTION: A pneumatic tire includes a tread 2, a pair of sidewalls 3, a pair of beads 4, and a carcass 6. At least one of the pair of sidewalls 3 includes a first sidewall rubber 10. The first sidewall rubber 10 includes a base rubber layer 9, a different color rubber layer 11. and a barrier rubber layer 12. The base rubber layer 9 is in contact with the carcass 6. At least a part of the different color rubber layer 11 is exposed on the external face of the sidewall 3. The barrier rubber layer 12 is disposed between the different color rubber layer 11 and the base rubber layer 9, and has rubber compounding for inhibiting migration of the rubber compounding agent on the base rubber layer 9 side to the different color rubber layer 11. The thickness of the barrier rubber layer 12 is 1.0 mm or less.SELECTED DRAWING: Figure 2

To provide a tire that can further improve performance in running on a bad road while securing excellent durability of blocks.SOLUTION: A plurality of shoulder blocks 12 are provided on a shoulder region of a tread part 1; a plurality of side blocks 13 are provided on a side region adjacent to outside in a tire width direction of the shoulder region; two or more shoulder blocks 12 arranged adjacently in a tire circumferential direction and one side block 13 arranged outsides in the tire width direction of the shoulder blocks are grouped into a block group B; and first thin grooves 21, second thin grooves 22 and third thin grooves 23 are each formed on the blocks included in the block group B, where the thin grooves constitute a series thin groove group 20 extending continuously from the one shoulder block 12 included in the block group B through the side block 13 to the other shoulder block 12.SELECTED DRAWING: Figure 2

Tire that includes: on a tire outer surface, a first region including an uneven surface formed by a convex portion disposed throughout the entire first region, and a second region comprising an uneven surface formed by a plurality of webs arranged in parallel throughout the second region, the second region being arranged adjacent to the first region, wherein a minimum separation distance between vertices of the convex section in the first region is shorter than a minimum separation distance between vertices of two adjacent webs in the second region, the convex portion in the first region includes a unit pattern of a predetermined shape which is repeatedly arranged, the minimum separation distance between the vertices of the convex portion of the first region is 0.1 mm to 0.2 mm, the minimum separation distance between the vertices of two adjacent webs in the second region is greater than 0.5 mm and equal to or less than 1.5 mm, in a case where any unit pattern in the first area is designated as a standard unit pattern, and any position of a vertex of the standard unit pattern is designated as a standard position, a minimum separation distance from the standard position to a vertex of a unit pattern adjacent to the standard unit pattern is shorter than the minimum separation distance between the vertices of the two webs in the second region, and the minimum separation distance from the standard position to the vertex of the unit pattern adjacent to the standard unit pattern is 0.5 mm or less.

A pneumatic tire has a carcass. The carcass includes a carcass ply extending from one bead portion to the other bead portion through a tread portion. The carcass ply is provided with at least one conductive thread extending from one bead portion to at least the tread portion. The conductive thread has an electrical resistance of 108 Ω / cm or less per unit length. The conductive thread has a stress of 13 N or less at 1% elongation.

A pneumatic tire comprises: a tread portion; a pair of sidewall portions; a pair of bead portions each with a bead core embedded therein; a toroidal carcass extending between the bead portions; and a sidewall rubber disposed axially outside the carcass in each of the sidewall portions. The bead portion has a bead bottom surface which contacts with a bead seat of a wheel rim when the tire is mounted thereon. The bead bottom surface comprises an axially inner region including a bead toe and an axially outer region including a bead heel. The axially inner region is formed by a canvas chafer. The axially outer region is formed by the sidewall rubber extended radially inwardly from the sidewall portion.

To provide a pneumatic tire that can improve steering stability on a dry road surface at the time of turning a vehicle and improve braking performance on a wet road surface and abrasion resistance, while suppressing internal heat generation from increasing and reducing air resistance.SOLUTION: A pneumatic tire 1 includes an inner wavy curved surface 30 formed on a tire side surface inside of a vehicle, of a pair of tire side surfaces and an outer wavy curved surface formed on a tire side surface outside of the vehicle. The wavy curved surfaces respectively are made wavy in a tire radial direction and in a tire circumferential direction so that the surfaces have a plurality of mountain-shape protrusions, in the tire radial direction and in the tire circumferential direction, on the corresponding tire side surfaces. Bottom edges of the plurality of inner mountain-shape protrusions 35 of the inner wavy curved surface constituting the plurality of mountain-shape protrusions do not overlap each other, in the tire circumferential direction, on inner mountain-shape protrusion rows 51 adjacently arranged in the tire radial direction. Bottom edges of the plurality of outer mountain-shape protrusions of the outer wavy curved surface overlap each other, in the tire circumferential direction, on outer mountain-shape protrusion rows adjacently arranged in the tire radial direction.SELECTED DRAWING: Figure 5

To provide a motorcycle tire capable of increasing vibration absorbability to improve steering stabilizing performance while maintaining high rigid feeling during traveling.SOLUTION: A motorcycle tire 1 comprises an installation rubber layer 10 disposed between a body 6a of a carcass ply 6A and an inner liner layer 9. The installation rubber layer 10 extends from a first end 10e of a tread 2 side to at least a bead core 5. A side wall 3 includes an outermost end t1 of the tire in a radial direction in which a normal rim R comes into contact with a tire outer surface 1s of the side wall 3. The tire outer surface 1s of the side wall 3 is provided with a side profile 3S which occupies, from a tread end Te, to 90% or more of a tire radial length La between the tread end Te and the outermost end t1. The side profile 3S is linear or a circular arc in which a curvature radius r1 is 55 mm or larger and which is projected inside in a tire axial direction.SELECTED DRAWING: Figure 1