1091results 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.

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

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.

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.

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 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).

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

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

The utility model discloses a high-air-tightness inflatable polyurethane tire, which relates to the technical field of tires and comprises a tire made of polyurethane materials, and blocky grains and longitudinal grains are arranged on the tread of the tire. A composite anti-puncture structure layer is embedded in the side wall of the tire, reinforcing frames are formed on the two sides of the outer wall of the tire, and the reinforcing frames and the tire are integrally formed. The reinforcing frame is composed of a plurality of concentrically-arranged reinforcing rings attached to the outer wall of the tire and a plurality of reinforcing strips sequentially connected with all the reinforcing rings in a penetrating mode, the reinforcing strips are attached to the outer wall of the tire, and the circle centers of the reinforcing rings coincide with the axis of the tire; the tire made of the polyurethane material has good air tightness, so that the internal air pressure of the tire can be kept stable, the influence of air pressure change on the tire performance and the vehicle controllability is reduced, and the service life of the tire is prolonged.

The present disclosure relates to a tyre (100) for vehicle wheels comprising at least one carcass structure (101), a tread band (109) applied in a position radially external to said carcass structure, and a pair of sidewalls (108) applied laterally on the opposite sides with respect to said carcass structure, where on at least one sidewall of said pair of sidewalls (108), a label (120) is applied comprising a protective layer (121), an adhesive layer (123), and possibly one or more ink layers (122) interposed between said protective layer (121) and said adhesive layer (123), where said adhesive layer (123) adheres the label (120) to the surface of said sidewall, where said protective layer (121) comprises polyester-based and / or polyether-based cross-linked aliphatic polyurethanes exhibiting dynamic elastic modulus values E′, measured at 25° C., static tensile deformation 1%, dynamic deformation ±0.1%, and frequency 1 Hz, equal to or higher than about 5 MPa, and a residual deformation measured at 25° C. after 4 cycles of deformation from 0% to 12%, equal to or lower than about 1%.

The utility model provides a tire sidewall rubber shortage covering structure, and belongs to the technical field of tires. The covering structure for the tire sidewall lack of rubber comprises a tire tread. A sidewall is arranged at the tail end of the tread, the joint of the tail end of the tread and the top end of the sidewall is a fitting part, and a knurling covering layer is arranged at the fitting part of the tread and the sidewall. The length of a corresponding semi-finished product and the expected range of the tail end of the tread on the sidewall can be obtained through preliminary calculation according to the specification and structure design of the tire, the range is subjected to standardized design, and a knurling covering layer is added, so that the flowability of rubber during vulcanization is improved, and the purpose of improving sidewall rubber shortage is achieved. The knurling covering layer is arranged at the attaching part of the tread and the sidewall, so that the sidewall is prevented from being lack of rubber, the defective rate of the sidewall lack of rubber is greatly reduced, an external spraying process step can be omitted, and the production cost of the tire is saved.

To provide a tire that can improve mud performance and snow performance while maintaining maneuvering stability during travel in a straight line.SOLUTION: A tread part 2 of a tire is provided with a plurality of circumferential grooves 50 extending in a tire circumferential direction and a plurality of land parts 30 partitioned by the plurality of circumferential main grooves 50. A wavy part 40 formed over a tread ground plane 3 and a tread side wall 4, which is an end surface in a tire width direction of the tread part 2, is arranged in a shoulder land part 31, which is the land part 30 positioned on the outermost side in the tire width direction among the plurality of land parts 30. The wavy part 40 is formed over the tread ground plane 3 and the tread side wall 4 while oscillating due to alternate arrangement of a protrusion part 41 protruding to the tire outer side and a recess part 42 protruding to the tire inner side in a tire meridian cross section. A ground contact area side end part 43 as a connection part of the wavy part 40 with the tread ground surface 3 is positioned at a tire ground end T or on the outer side of tire grounding end T in the tire width direction.SELECTED DRAWING: Figure 2

To provide a pneumatic tire which enables reduction of air resistance in a structure which has a plurality of ridges arranged in a tire circumferential direction on a tire side surface.SOLUTION: A tire which is one example of an embodiment includes a plurality of ridges 30 which are streaked projections formed on a tire side surface that is an outward surface in a tire axial direction located further inward in a tire radial direction than a ground contact end of a tread and further outward in the tire radial direction than a rim line. Each ridge extends outward in the tire radial direction in a range which inclines by 60 degrees to both sides in the tire circumferential direction with a direction along the tire radial direction of the tire side surface 13 set as a center. A ratio L / H of a distance L between centers of tops of the adjacent ridges 30 and a height H of the ridge is 2 or more and 6 or less.SELECTED DRAWING: Figure 3

The present invention relates to a vehicle tyre (1), the tyre comprising at least one sidewall (2) with at least one high-contrast sidewall element (3) consisting of a texture having a first luminosity L*1 of at least 1 and at most 15, wherein any adjacent sidewall surface portion (21) has a second luminosity L*2 of at least L*1+5. The invention discloses a rubber composition of the sidewall (2) that exhibits a good trade-off between tear strength and rolling resistance. According to the invention, the weight ratio of the reinforcing filler content to the plasticiser content is at most 4.50, the sum of the reinforcing filler content and the crumb rubber content is at least 30 phr and at most 70 phr, and the weight ratio of the crumb rubber content to the reinforcing filler content is at least 0.20 and at most 2.50.

The invention relates to a wheel protection device (100), comprising a tire sidewall protection device (110) including: a shield (112) having an annular shape; a ring (114) having an axis (B) and being integral with the shield and comprising: a connecting portion (114a) for the integral connection of the ring to the shield; a fastening portion (114b) for attaching to a wheel rim; According to the invention, the protection device further includes a removable heat shield (126) and a fastening device (122) for removably attaching the heat shield to the tire sidewall protection device. Figure 1

Including a tire processing device: a laser device configured to produce laser radiation (124); a control device which is configured to control the laser device and thereby process a marking (107) on a surface (102) of an air tire (100) with the laser radiation (124); wherein by processing a marking (106) with a first part (116) and a second part (118) is created which form an optical contrast.

A protruding knurling unit is proposed. The protruding knurling unit may include a first knurling portion extending at an incline with respect to a bottom surface, and a plurality of second knurling portions each extending at an incline with respect to the bottom surface. The first knurling portion may include a first knurling portion bottom. Each of the plurality of second knurling portions may include a second knurling portion bottom. A distance between the second knurling portion bottoms of the plurality of second knurling portions may be shorter than a length of the first knurling portion bottom.