A tire (1) comprises a pair of opposing bead portions (4); a pair of opposing sidewall portions (3), each sidewall portion connected to one of the respective bead portions; a crown portion (2) extending axially between and connecting the opposing sidewall portions (3), the crown portion (2)…
A system is provided for placement of noise attenuating foam along an inside surface of a tire to attenuate cavity noise. The system can be used with tires of various sizes and shapes such that different foam sizes may be utilized. The system provides for automating the process of foam placement in…
A pneumatic tyre tread in which a reinforcing part 6 is provided on frontal side walls 52, 53 of a block 5 of a tyre tread 1 in order to improve the performance on snow and the performance on ice, and a pneumatic tyre having such a tread, wherein angles T1 and T2 formed by the upper surface and the…
A system for generating electric power from a rotating tire's mechanical energy has a piezoelectric structure and an energy storage device. The structure comprises a plurality of piezoelectric fibers embedded in a generally unidirectional fashion in an epoxy matrix. The structure is mounted on a…
A pneumatic tyre tread in which a reinforcing part 7 is provided on front surface side walls 52, 53 of a block 5 of a tyre tread 1 in order to improve performance on ice while improving performance on snow, and a pneumatic tyre having such a tread, wherein the difference G between a distance Rt…
Provided is a pneumatic tyre tread that can maintain a good level of water drainage performance up to the final stage of wear of a tread part. The pneumatic tyre tread according to the present invention is formed with a plurality of flexible fences 4 which are disposed inside at least one main…
Provided is a tread for a pneumatic tyre with which water column resonance is reduced, drainage performance is maintained, and the flexible fences are worn to the same extent as the tread part. A tread 1 for a pneumatic tyre of the present invention is a tread that is formed by a rubber composition…
Provided is a tread for a pneumatic tyre with which water column resonance is reduced, drainage performance is maintained, and the flexible fences are worn to the same extent as the tread part. A tread 1 for a pneumatic tyre of the present invention is a tread that is formed by a rubber composition…
In order to maintain satisfactory performance on ice while improving performance on snow, in a tread for a pneumatic tyre in which a reinforcing layer 6 is provided on a side wall portion 5a of a ground-contacting element 5 of a tread 1 of a tyre, and in a pneumatic tyre having such a tread, the…
Provided is a pneumatic tyre with which grip performance on a road surface having a low coefficient of friction can be improved and tread pattern durability can be further improved. A pneumatic tyre tread 1 according to the present invention has a ground-contacting element 5 demarcated by grooves 4…
Provided is a pneumatic tyre tread capable of mitigating air column resonance and maintaining drainage performance while ensuring that the flexible fences are abraded to a similar extent to the tread portion. A pneumatic tyre tread 1 of the present invention is formed from a rubber composition, and…
Provided is a pneumatic tyre tread capable of mitigating air column resonance and maintaining drainage performance while ensuring that the flexible fences are abraded to a similar extent to the tread portion. A pneumatic tyre tread 1 of the present invention is formed from a rubber composition and…
Provided is a pneumatic tyre tread capable of mitigating air column resonance and maintaining drainage performance while ensuring that the flexible fences are abraded to a similar extent to the tread portion. A pneumatic tyre tread 1 of the present invention is formed from a rubber composition, and…
Provided is a pneumatic tyre tread capable of mitigating air column resonance and maintaining drainage performance while ensuring that the flexible fences are abraded to a similar extent to the tread portion. A pneumatic tyre tread 1 of the present invention is formed from a rubber composition, and…
Compact metallic cord (I) with two layers of 1+N construction comprises a core and an internal layer (C1) comprising a feed wire of diameter d 1 and an external layer saturated with the N wires of diameter d 2, wound up together as a helix by p 2 around the C1 layer. Compact metallic cord (I) with…
Provided is a pneumatic tire capable of yielding excellent water-draining performance, while reducing air column resonance. This pneumatic tire (1) has a tread (3) and at least one ply (2) arranged toward the interior of the tread in the radial direction. The tread has at least one main channel (4)…
The present invention provides a method for producing a pneumatic tyre in which a noise damper in the form of at least one continuous ribbon for reducing cavity resonance in a tyre cavity is provided on the internal surface of a tyre on the inside in the radial direction of the tyre corresponding…
The present invention provides a pneumatic tyre provided with a noise damper in the tyre cavity, which can maintain high-speed durability and producibility while also reducing cavity resonance. The present invention provides a pneumatic tyre comprising a tread having a width TW in contact with the…
To provide a tread for a pneumatic tyre in which air column resonance sound is reduced and wear of the groove fences and wear of the tread portion are caused to be approximately the same, while drainage performance is maintained. In the tread for a pneumatic tyre according to the present invention…
To provide a winter-use pneumatic tyre with which the performance on ice can be enhanced and tread pattern durability can be enhanced. The tread for a winter-use pneumatic tyre according to the present invention has blocks 4 which are aligned in the circumferential direction and in which are formed…
Tyre (10) comprising a tread portion designed to be worn off during the life of the tyre having a radial thickness T, an outer edge (45) and an inner edge (46), the axial distance between the outer edge (45) and the inner edge (46) defining the axial width L of the tread, the tread comprising four…
Provided is a pneumatic tyre tread which reduces tread pattern noise while effectively suppressing air column resonance produced by circumferential grooves. The pneumatic tyre tread according to the present invention is provided with circumferential grooves 2, an intermediate rib 3, and shoulder…
Provided is a pneumatic tyre tread which reduces tread pattern noise while effectively suppressing air column resonance produced by circumferential grooves. The pneumatic tyre tread according to the present invention is provided with circumferential grooves 2, ribs 3, and resonators for reducing…
Aluminum (oxide-)hydroxides useful as reinforcing filler for rubber. Aluminous reinforcing fillers for diene rubber compositions to be used in the manufacture of tyres, consisting of an aluminum (oxide-)hydroxide corresponding, including impurities and water of hydration, the formula (I) Al(OH) aO…
Rubber composition contains precipitated silica filler having: specific surface BET 185-250 m/g and CTAB 180-240 m/g; pores of diameter 175-275 Angstrom (V2) representing 50% of pores of diameter up to 400 Angstrom (V1); volume Vd1 of pores of diameter 1 micro m is 1.65 cm/g; fines index (IF)…
The tire has two outer layers (31, 31) with circumferential, electrically-conductive strip inserts (11, 12). At the layer interface (310), the widths of the facing strips (E, e') in contact, differ by a factor of ten or more. Strips are located with respect to the equatorial plane, such that the…