A tire 2 includes a tread 4 and a band 16. The tread 4 has an outer surface 4G including a crown portion 64, a pair of middle portions 66, and a pair of shoulder portions 68. The crown portion 64 has a contour represented by an arc having a radius TR1 not less than 5 times and not greater than 7…
To provide a pneumatic tire that allows, on the precondition that shock burst resistance performance is ensured, excellent high-speed durability performance to be delivered even in a case where a band-like sound absorbing member is installed in a tire cavity. A tread average thickness (A) in a tire…
A pneumatic tire (10) is disclosed comprising a carcass (22) and a belt structure (40). The belt structure (40) comprises a plurality of belt layers that include at least one spiral belt layer (60) and at least one zigzag belt layer (70). Each of the at least one spiral belt layers (60) has cords…
A motorcycle tire 1 comprises a tread portion 2 provided with a belt layer 7 and a radially outer band layer 8. The belt layer 7 comprises a first belt ply 11 on a carcass 6 and a second belt ply 12 thereon. The band layer is made of a spirally wound band cord and has a developed width smaller than…
Tire comprising a tread portion that is divided in the tire width direction between a first shoulder portion, a central portion, and a second shoulder portion; wherein the surface of the tread portion has a profile with a concave shape over part of its width; process and tire mold thereof.
A pneumatic tire for aircraft according to this disclosure satisfies the following inequality in the reference state, 0 ≤ 635/Rc ≤ 0.004 and 0.015 ≤ δ90/Rc ≤ 0.025.
Provided is a tire (2, 202, 302, 402, 502, 582, 622) that can achieve the improvement in a visual aspect. A tire (2, 202, 302, 402, 502, 582, 622) has an outer diameter smaller than a value obtained by subtracting 4 mm from an outer diameter maximum value of new product dimensions defined by a…
A motorcycle tire 1 comprises a tread reinforcement 7 including a jointless band ply 8A. The jointless band ply 8A has a developed width Wa of not more than 65% of the developed tread width TWe. The tread portion 2 has a tread profile P comprising a crown arc portion Pc having a radius R1 of…
A heavy duty tire 2 has a nominal aspect ratio of not greater than 70% and includes a tread 4 and a reinforcing portion 20 including a belt 34 and a band 36 including a full band 40 and a pair of edge bands 42. Each end 40e of the full band 40 is located axially outward of a shoulder…
A heavy duty tire 2 includes a tread 4 including a tread surface 6 and having a crown portion Cr and shoulder land portions 22. A circumferential narrow groove 26 is formed on the crown portion Cr and includes a body portion 28 and an enlarged width portion 30. The tread surface 6 includes a land…
The pneumatic tire (1) includes a carcass layer (13), a belt layer (14) disposed on an outer side of the carcass layer (13) in a radial direction, and a tread rubber disposed on an outer side of the belt layer (14) in the radial direction. Additionally, the carcass layer (13) has a cord angle of 80…
An outer surface 2G of a tire 2 includes a tread surface 22 and a pair of side surfaces 26. A position, on the tread surface 22, at which a distance in an axial direction from an equator plane is 60% of a distance in the axial direction from the equator plane to a reference ground-contact position…
A tread for a tire (10) and a tire (10) comprising such a tread (11) is disclosed. The tread (11) comprises a circumferential groove (22) having a radially outermost and axially inner first groove edge (240) and a radially outermost and axially outer second groove edge (241). A centerline (227) or…
An outer surface TS of a tire 2 includes a tread surface T and a pair of side surfaces S. A plurality of arcs representing a contour of the tread surface T include a pair of crown arcs. A ratio of a radius CR1 of a first crown arc to a radius CR2 of a second crown arc is not less than 1.10 and not…
A tire comprises a tread portion provided with grooves. When the tire mounted on a standard wheel rim and inflated to a standard tire pressure is placed on a flat surface at a camber angle of zero and loaded with a standard tire load, the tire has a ground contacting patch. The depths of the…
A tire comprises a tread portion comprising a shoulder land region provided with shoulder lateral grooves and circumferential sipes connecting between the shoulder lateral grooves. The shoulder lateral grooves are each provided with a chamfer. The circumferential sipes are each spaced apart from an…
Provided is a tire 2 that can achieve improvement of braking performance without a significant increase in rolling resistance. The tire 2 includes a tread 4, a pair of sidewalls 6, a pair of beads 10, and a carcass 12. Each bead 10 includes a core 30 and an apex 32. A ratio (A/H) of a height A of…
A tire has a tread portion provided with grooves. The ground contact area of the tread portion has ground contact lengths in the tire circumferential direction which include a crown ground contact length LC at the tire equator C and a shoulder ground contact length LS at a position spaced apart…
A tire comprises a tread portion axially divided by circumferential grooves into a first middle land portion, a crown land portion and a second middle land portion. Each land portion has a profile protruding radially outwardly from a reference tread profile. The maximum protrusion amount of the…
The pneumatic tire (1) includes a carcass layer (13), a belt layer (14) disposed on an outer side of the carcass layer (13) in a radial direction, and a tread rubber disposed on an outer side of the belt layer (14) in the radial direction. Additionally, the carcass layer (13) has a cord angle of…
A tread surface of the tire includes a center portion C and a pair of shoulder portions S. A contour line of the tread surface is divided into ten parts. Among the ten parts, two parts including an equator PC are represented by arcs, and two parts including ends PE of the tread surface…
A tire comprises a tread portion provided with a first circumferential groove and a second circumferential groove which are disposed on one side and the other side, respectively, of a cambered-tire tread center line. The cambered-tire tread center line is defied by a line extending in the tire…
Provided is a pneumatic tire. In a tire meridian cross-sectional view of an unloaded state in which regular internal pressure is applied, a tire profile between two ground contact edges is constituted by two tire outer side profiles each having a dimension along the tire profile of 20% or more and…
In a pneumatic tire in which a tread surface of a land portion has a curved profile protruding outward in the tire radial direction, initial braking performance is improved. Provided is a pneumatic tire including a tread portion 2. The tread portion 2 includes a first land portion 11. The first…
A tire comprises a tread portion axially divided by circumferential grooves into a first middle land portion, a crown land portion and a second middle land portion. Each land portion has a profile protruding radially outwardly from a reference tread profile. The maximum protrusion amount of the…
In a tire a tread includes a cap layer forming a part of the outer surface of the tire an intermediate layer disposed inwardly of the cap layer in the radial direction, and a base layer disposed inwardly of the intermediate layer in the radial direction. A loss tangent of the intermediate layer at…
In a state in which a pneumatic tire is mounted on a specified rim, inflated to 92% of a specified internal pressure, and loaded with a load of 75% of the maximum load capacity, an average thickness of an undertread rubber is smaller in a center region than in a shoulder region, a ratio (CAO/UAO)…
Provided is a pneumatic tire capable of providing improved steering stability performance on dry road surfaces and improved steering stability performance on wet road surfaces in a compatible manner. A chamfered portion (A, B) and a non-chamfered portion (A, B) are provided in each of an edge (A)…
A tire has a tread portion divided into a crown land region, shoulder land regions, and middle land regions. The crown land region comprises a crown axial central portion. The middle land region comprises a middle axial inner portion and a middle axial outer portion. The shoulder land region…
A motorcycle tire includes a tread portion including a central region and a pair of shoulder regions. In a cross-sectional view of the tire under a standard condition, the central region has an outer profile protruding radially outwardly and having a first radius of curvature R1, and each shoulder…