Provided is a pneumatic tire comprising a carcass, a reinforcing layer, and a cap tread, wherein A, A, W, W, 30°C E*c and K satisfy the following inequalities: A 2 − A 1 > 0 ; W 1 / W 2 > 0.30 ; and 30 ° C E * c > K / A 2 − A 1 × W 1 − 0.3 × W 2 where A represents an angle of carcass cord inclined…
Provided is a pneumatic tire comprising a carcass, a reinforcing layer, and a cap tread, wherein A1, A2, Da, Db, 30°C Ec and K satisfy the following inequalities:|A2-A1|>0; Db/Da>0.50; and 30°C Ec>K/{|A2-A1|×(Db-0.5×Da)}where A1 represents an angle of carcass cord inclined from the tire…
A tire includes first blocks each with a zigzag first sipe. The first sipe includes a sipe bottom and a tie-bar locally raising outwardly in a tire radial direction from the sipe bottom so as not to reach the ground contact surface to divide the first sipe into first and second portions. The sipe…
The present invention relates to a pneumatic tire. A rim diameter RD is 10 to 18 inches. A ratio SH/SW of a cross-sectional height SH to a cross-sectional width SW is 0.30 to 0.45. A ratio RW/SW of a rim width RW to the cross-sectional width SW is 0.78 to 0.99. A width W1 (mm) of a tread surface of…
In a pneumatic tire, a rim R has a rim diameter RD of 12 to 17 inches. A ratio SH/SW of a tire cross-sectional height SH to a tire cross-sectional width SW is 0.30 to 0.45. A ratio RW/SW of a rim width RW of the rim to the tire cross-sectional width SW is 0.78 to 0.99. A complex elastic modulus E*…
A tyre (200) comprising a tread (210) comprising tread blocks (220) such that grooves (230) are arranged between the tread blocks (220) and studs (100, 100a, 100b) installed into at least some of the tread blocks (220). A central region (CR) of the tread (210) is arranged between a first shoulder…
A tyre (200) comprising a tread (210) and multiple studs (100) in the tread (210) such that at least pins (110) of the studs (100) are exposed on the tread (210). The tyre (200) is configured such that a load index (LI) of the tyre (200) as defined in The European Tyre and Rim Technical…
A tyre (200) comprising a tread (210) comprising tread blocks (220) such that grooves (230) are arranged between the tread blocks (220) and studs (100, 100a, 100b) installed into at least some of the tread blocks (220). The tread blocks (220) define a land portion of the tread (210) an envelope…
The present invention relates to pneumatic tires comprising a dual-layer tread made of a first layer comprising a first tread compound having a first tread property and a second layer comprising a second tread compound having a second tread property.
A tire includes a tread portion having a ground contacting surface and a first groove. A tread rubber forming the tread portion includes a first rubber layer and a second rubber layer. The second rubber layer has a complex elastic modulus smaller than a complex elastic modulus of the first rubber…
Vehicle pneumatic tire of radial construction with a radial carcass (3), a multi-layer belt structure (2) and a tread (1), which has in the profiled region a tread part (7) composed of a radially outer rubber layer (9), whose thickness increases continuously in the direction of the tire apex, and a…
A pneumatic tire for a motorcycle that secures durability while improving grip performance in turning. A pneumatic tire for a motorcycle including a belt containing a belt layer formed by coating a plurality of cords with rubber in a tire tread, wherein the tread is provided with cushion rubbers…
To provide a pneumatic tire that exhibits excellent wet performance and that is capable of reducing the damage in the tread portion. The pneumatic tire according to the present invention is a pneumatic tire having a designated rotational direction, comprising: a tread portion, a pair of side wall…
The present invention aims at providing a heavy-duty pneumatic tire capable of suppressing interlayer separation in the belt by enhancing the rigidity of the belt without increasing the tire mass. Accordingly, tire 2 has a tread 4, a pair of sidewalls 6, a pair of beads 10, a carcass 12 and a belt…
A pneumatic tire comprises a tread portion provided with a pair of crown main grooves and a pair shoulder main grooves to divide middle portions and shoulder portions, the tread portion having a contact surface covered with a cap rubber layer with a loss tangent of from 0.03 to 0.18, the middle…
A tread 4 of a tire 2 includes a center region Ta, in an axial direction, including an equator plane, and a pair of shoulder regions Tb located outward of the center region Ta in the axial direction. Each shoulder region Tb includes a base layer 20, a middle layer 22 layered outward of the base…
In a pneumatic tire 2, a ratio Te/Ta of a thickness Te of a rubber of each sidewall 8 at a position where a width of the tire is at its maximum to a thickness Ta of a rubber of a tread 4 at a center thereof is not less than 0.12 and not greater than 0.28. A ratio Te/Tf of the thickness Te to a…
Provided is a pneumatic tire for a motorcycle that suppresses the occurrence of a crack at a groove bottom in a shoulder region while achieving a good balance between straight-running stability, abrasion resistance, grip performance during cornering, and cornering stability. The pneumatic tire for…
A tire comprising a tread base comprising a first material and a tread cap comprising a second material is disclosed. The tread cap is disposed radially outward of at least a part of the tread base and configured for operationally coming into contact with a ground surface. At least one annular ring…
A tire (10) comprising a tread base comprising a first material and a tread cap (32) comprising a second material is disclosed. The tread cap is disposed radially outward of at least a part of the tread base and is configured for operationally coming into contact with a ground surface. A plurality…
A pneumatic tire has a tread rubber (10) provided in an outer side of a carcass layer in a tread portion. The tread rubber (10) has a cap portion (12) which is formed by a non-conductive rubber and constructs a ground-contacting surface, a base portion (11) which is provided in an inner side in the…
A pneumatic tire comprising at least one pair of parallel annular beads, at least one carcass ply (3) wrapped around the beads, a tread (5), first and second sidewalls disposed between the tread and one of the at least one pair of beads, and a belt portion (7) between the carcass ply (3) and the…
The tire has a multi-layered belt (2) and a tread (1) that includes a radial inner tread base (7), which is formed from electrically non-conductive rubber composite containing silica, and a radial outer tread cap (6), which is formed from soot-filled rubber composite. Dynamic rigidity of the rubber…
A pneumatic tire is provided with a tread pattern of left-right asymmetry having an outboard tread edge and an inboard tread edge, and a cap tread rubber having a hardness of from 60 to 75 degrees. The tread pattern comprises circumferentially extending middle main groove and outboard main groove…
It is found that the amount of wear of a tread rubber of a tire, which is abandoned as wear life of the tread rubber expires, is not uniform over the entire width, and there is a high correlation between distribution in the tread width direction of the remaining thickness of the tread rubber of the…
A pneumatic tire simultaneously achieving both enhanced on-ice performance and enhanced durability. A pneumatic tire, wherein sipes (6) extending in the width direction of the tire are arranged at intervals in the circumferential direction of the tire at least in shoulder blocks (5a) divided by…
The tire has a profile positive (1) which has a number of cuts (2) of width between 0.4 and 0.8 mm. The profile positive also has micro-cuts (3) of the width which is less than that of the main cuts, and which extend to less depth than the profile depth. The width of the micro-cuts should be 0.15…
A system and method is disclosed by which a user can recognize readily and with certainty from an appearance of a network system that a plurality of information processing apparatus construct the network system or are operating cooperatively. A liquid crystal display section is provided on each of…
This invention relates to a tire (1) having an electrically non-conductive tread (2) which contains an electrically conductive rubber strip (11-17) which extends through at least a portion of the tread to its running surface in a wave configured shape, and therefore not a continuous straight line…
A pneumatic rubber tire (1) with a sidewall (5) having an outer visible layer (6) of a rubber composition of a relatively high electrical conductivity, wherein the tire sidewall (5) contains an internal rubber strip (7) of relatively high electrical conductivity. Said internal rubber strip (7)…