443results about "Tyre sidewalls" patented technology

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.

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.

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 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.

To provide a pneumatic tire that can release static electricity accumulated on the vehicle to the road surface without compromising its worn appearance. [Solution] The pneumatic tire 1 includes a conductive thread 10 extending inward and outward in the radial direction of the tire within the tread rubber 2G, and a conductive path 30. The conductive thread 10 includes at least one exposed portion 10A exposed to the contact surface 2s and a contact portion 10B in contact with the conductive path 30. The conductive path 30 is configured to electrically conduct the conductive thread 10 and the rim R when the pneumatic tire 1 is mounted on the rim R.

To provide a heavy load tire 2 which can be reduced in weight and can achieve improvement of SFC resistance.SOLUTION: In a meridian cross section of a tire 2, a contour CL of a carcass 12 has: a curved portion 44 expanded outward; and a reverse curved portion 46 which is provided at radial inside of the curved portion 44 and dents inward. The reverse curved portion 46 is connected to the curved portion 44. A boundary between the curved portion 44 and the reverse curved portion 46 is a flexion point PV. A part or whole of the curved portion 44 is expressed by a first arc including the flexion point PV. A part or whole of the reverse curved portion 46 is expressed by a second arc including the flexion point. The first and second arcs come in contact with each other at the flexion point PV. A side surface 48 of the tire 2 has; a recessed portion 50 which hollows inward; an outside portion 52 which is located at radial outside of the recessed portion 50; and an inside portion 54 which is located at radial inside of the recessed portion 50. The recessed portion 50 is located at radial outside of the flexion point PV.SELECTED DRAWING: Figure 5

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 blooming reduction and ozone attack resistance. According to the invention, the elastomer matrix comprises an isoprene elastomer at a content of at least 35 phr and at most 65 phr and a butadiene elastomer at a content of at least 35 phr and at most 65 phr, the reinforcing filler content is at least 5 phr and at most 70 phr, the anti-ozonant wax content is at least 1.2 phr and at most 2.8 phr, and the crumb rubber content is at least 2 phr and at most 30 phr.

To provide a tire which can exhibit excellent visibility in a concave mark of a side wall part.SOLUTION: A tire includes a pair of side wall parts 3. An outer surface 3s of at least one of the pair of side wall parts 3 includes at least one concave mark 5 recessed from a reference surface. The concave mark 5 includes a bottom surface 6, and an inner wall surface 7. The bottom surface 6 includes a peripheral edge region 10, and a main region 9. The peripheral edge region 10 includes a shadow region 11, and a non-shadow region 12. The shadow region 11 and the non-shadow region 12 are formed of uneven surfaces 15 where a plurality of minute projections 20 are arranged. A width W2 measured in a direction perpendicular to a contour 5o of the uneven surface 15 of the non-shadow region 12 is smaller than a width W1 measured in a direction perpendicular to the contour 5o of the uneven surface 15 of the shadow region 11.SELECTED DRAWING: Figure 1

A pneumatic tire including: a tire body; and a communication device embedded in the tire body or attached to an inner surface of the tire body. The communication device includes a flat antenna, and the communication device is disposed so that an antenna in-plane direction that is perpendicular to the thickness direction of the flat antenna is along an outer surface of the tire body.

The utility model relates to the technical field of motorcycle cover tyres, in particular to a high-performance wear-resistant motorcycle cover tyre which comprises a protective layer installed on the inner side of a motorcycle hub and isolation devices arranged on the two sides of the protective layer, the isolation devices comprise limiting rods, and the limiting rods are fixedly connected with the two sides of the protective layer. The limiting rods are located on the outer side of a motorcycle hub, baffles are placed on the two sides of the protection layer, second sleeve holes are formed in the surfaces of the baffles and sleeve the surfaces of the limiting rods, the surfaces of the limiting rods are in threaded connection with positioning caps, the positioning caps are placed on one sides of the baffles, and placing rings are fixedly connected to one sides of the baffles. The placing ring is placed on one side of the motorcycle hub. According to the motorcycle cover tire, the isolating device is arranged, so that the side face of the motorcycle cover tire can be effectively protected, the side face of the cover tire is prevented from being in contact with broken stones or other obstacles, and the wear resistance of the motorcycle cover tire is further improved.

The invention relates to a tire (1), in particular for bicycles, with a carcass (10) extending over sidewalls (14) and a tread strip (12) applied radially to the outside of the carcass (10) and extending in a circumferential direction (U), wherein at least one circumferential puncture protection strip (13) based on a surface structure is arranged between the tread strip (12) and the carcass (10), wherein the surface structure for the puncture protection strip (13) is a fabric consisting of at least one layer of threads (130) running parallel to each other, wherein the threads (130) form an angle between 0 and 90° with respect to the circumferential direction (U).

A degradation state determination method is for a degradation state determination apparatus to determine a degradation state of a tire mounted on a vehicle based on a color of an indicator attached to the tire. The method includes determining the degradation state of the tire, using a degradation determination model that takes an amount of a degradation factor that causes the tire to degrade as input and outputs an index of the degradation state, based on a color change database, including data indicating a relationship between a change in color of the indicator and the amount of the degradation factor, and a color component extracted from an image of the indicator attached to the tire, and proposing, based on the determined degradation state of the tire, an option that is at least one of a method and a product that are selectable when retreading the tire (S44 to S48).

The invention relates to a pneumatic vehicle tire having two sidewalls (5) terminating in a bead region (8), in which the bead region (8) is formed with a bead core (3), a carcass insert (4) extending around the bead core, and a rubber rim flap (7) forming the outer surface of the bead region (8), the rubber rim band (7) is arranged at least partially between the rim (1) and the bead core (3) in a position for using the vehicle pneumatic tire on the rim (1), the rubber rim band (7) being formed as a single piece from a rubber compound, and the rubber compound being arranged at least partially between the rim (1) and the bead core (3) in a position for using the vehicle pneumatic tire on the rim (1). The rubber compound has a loss factor (tan [delta]) of between 0.02 and 0.2 at 20 DEG C according to DIN 53512 and a Shore hardness in the range of 65 Sh-A to 80 Sh-A measured by means of a durometer at 20 DEG C according to DIN ISO 7619-1. The invention also relates to a wheel having such a pneumatic vehicle tire, and to the use of a rubber rim flap.

Provided is a tire with which snow performance can be improved without impairing cut resistance. The tire according to the present invention includes: a plurality of shoulder blocks 12 in a shoulder area of a tread part 1; and a plurality of side blocks 13 in a side area adjacent to the outside of the shoulder area in the tire width direction so that one of the side blocks 13 is disposed at a position on the outside in the tire width direction of a block group consisting of corresponding two or more shoulder blocks that are of the plurality of shoulder blocks 12 and are adjacent to each other in the tire circumferential direction. The tire includes: a shoulder lug groove 11 that is bent to one side in the tire circumferential direction and is on a side surface of a corresponding one of the shoulder blocks 12; a first side groove 14a connected to a corresponding one of the shoulder lug grooves 11 and extending linearly to partition corresponding side blocks 13; a second side groove 14b connected to a corresponding one of the shoulder lug grooves 11 and bent and terminated in a corresponding one of the side blocks 13; and a linear projection 20 at least partially extending in parallel with the contour line of a corresponding one of the side blocks 13 and a corresponding one of the shoulder blocks 11.

Provided is a pneumatic tire having a sufficiently suppressed change in handling property and sufficiently improved durability. This pneumatic tire comprises a tread portion including a rubber layer, the rubber layer is formed of a rubber composition having 0.25 or less of a loss tangent (15° C. tan δ) measured under such conditions as 15° C., frequency 10 Hz, initial strain 5%, and dynamic strain rate 1%, the tread portion includes a plurality of rib-like land portions formed by circumferential grooves continuously extending in the circumferential direction, the tread portion has a ground contact surface partitioned, at the equatorial plane, such that one ground contact area Sa and the other ground contact area Sb satisfy a relationship of Sa>Sb, and (formula 1) and (formula 2) are satisfied where Wt (mm) is the cross sectional width of the tire, Dt (mm) is the outer diameter, and V (mm3) is a virtual volume being the volume of a space occupied by the tire when the tire is mounted on a standard rim and the internal pressure is 250 kPa.1600≤(Dt2×π / 4) / Wt≤2827.4  (formula 1)[(V+1.5×107) / Wt]≤2.88×105  (formula 2)

To provide a tire capable of suppressing poor appearance of a tire side part.SOLUTION: The tire 1 includes a pair of bead cores 11, 11, a carcass layer 13 stretched between the pair of bead cores 11, 11, and a tire side portion formed of a rubber member including a sidewall rubber 16. Additionally, the carcass layer 13 includes at least one carcass ply 131 that is turned up outward in the tire lateral direction so as to wrap around the pair of bead cores 11, 11. The tire side part includes a reference profile Pf formed by connecting a plurality of circular arcs having a center inside the tire, and a recessed part 4 recessed with respect to the reference profile Pf. Further, the recess portion 4 is arranged so as to cover the wound-up end portion 131e of at least one layer of the carcass ply 131 in the plan view of the tire side portion.SELECTED DRAWING: Figure 2

Articles with raised-portions and recessed-portions, like tires, soles-of-footwear, floormats, vehicle-liners, and coasters, have at least some of the raised-portions be a color and have at least some of the recessed-portions be a different color. This coloring difference enhances visibility of the given article. For tires this may be done by fitting a colored tire-band within a groove of a tire; by fitting a colored sleeve over at least a portion of a tire; or by a machine operating upon an initially untreaded tire to form a treaded tire. For soles-of-footwear, floormats, vehicle-liners, and coasters, this may be done by a machine operating upon an initial article without recessed-portions to form those recessed-portions or upon an initial article without raised-portions to form those raised-portions. The machines may be CNC or 3D printing machines. Light-emitting-element(s) may also be added to bottoms of the recessed-portions.

The present application relates to the technical field of tire overall preparation, and proposes a variable stiffness tire and a tire overall preparation device, which can adapt to various driving conditions and realize the collaborative optimization of comfort and control performance, and the structure can effectively disperse flexural stress, and is not prone to heat accumulation, bulging and cracking, thereby significantly improving high-speed durability and load capacity, and the matching tire overall preparation device can adapt to the molding process of the tire body, effectively improve tire production efficiency and manufacturing precision, and comprises a tire body and a triangular rubber ring, wherein the tire body comprises a tread, a sidewall and an inner tire ring, the sidewall is divided into a shoulder section, a sidewall middle section and a bead section in the radial direction, the stiffness of the bead section, the shoulder section and the sidewall middle section decreases in turn, the sidewall middle section is a main flexible deformation area, the shoulder section provides lateral restraint, the bead section provides high stiffness support, the tread is fixedly connected with the shoulder section, and the inner tire ring is fixedly connected with the triangular rubber ring.

The utility model provides a tire and a tire forming mold. The black concentration is higher than that in the prior art, so that high contrast can be realized. The tire (1) is provided with a pattern region (7) on a part of the outer surface (3a) of a sidewall section (3), the pattern region (7) being provided in a visually recognizable state as a site different from the surroundings, and the pattern region (7) being provided with a plurality of protrusions (20) protruding from a reference surface (7a) of the pattern region (7). The pattern region (7) includes a divided region (8) that is divided by being surrounded by three or more protrusions (20), and the divided region (8) has an annular recess (70).