B60C2009/2228

Aircraft pneumatic tire

An object is to improve durability without increasing the tire mass. An aircraft pneumatic tire (10) includes: a carcass ply (12) that straddles between a pair of bead portions (24); an inside belt layer (14) that is provided at a tire radial direction outer side of a crown portion of the carcass ply (12); an outside belt layer (16) that is provided at the tire radial direction outer side of the inside belt layer (14) and that is configured by a cord of cord configuration elements that have been twisted together; a belt protection layer (18) that is provided at the tire radial direction outer side of the outside belt layer (16) and that is configured by a cord of cord configuration elements that have been twisted together; and a low elasticity portion that is provided at at least one of the cord of the belt protection layer (18) or the cord of the outside belt layer (16), and that has a lower elasticity than other length direction portions of the cord (32).

Pneumatic tire

To reduce noise while suppressing increase in rolling resistance, without affecting the formation of a carcass line, provided is a pneumatic tire (10) including: a carcass (13); an inclined belt (14), and an inner liner (17). The inclined belt (14) is disposed on the tire radial outer side of the crown portion of the carcass (13). The inclined belt (14) includes at least one inclined belt layer (16). The inclined belt layer (16) has cords extending as being inclined at 35 or more with respect to the tire circumferential direction. The inner liner (17) has a thickness of 1.5 mm or more at least in part of a side portion (19).

Tire Reinforcement
20180117970 · 2018-05-03 ·

Hooping layer (71) of a passenger vehicle tire has a force at break FR per mm of axial width of the hooping layer at least equal to 35 daN/mm, an elongation at break AR at least equal to 5%, and a secant extension modulus MA at least equal to 250 daN/mm, for an applied force F equal to 15% of FR. Working reinforcement (6) comprises single working layer (61) the working reinforcers of which form, with circumferential direction (YY), an angle A.sub.T at least equal to 30 and at most equal to 50. The carcass reinforcers of at least one carcass layer (81) form, with circumferential direction (YY) and in equatorial plane (XZ), angle A.sub.C2 at least equal to 55 and at most equal to 80 and having an orientation opposite to angle A.sub.T of the working reinforcers so that the carcass reinforcers and the working reinforcers constitute a triangulation.

Tire Reinforcing Ply
20180093532 · 2018-04-05 ·

A passenger vehicle tire having hooping layer (71) that has a force at break FR per mm of axial width of the hooping layer at least equal to 35 daN/mm and has a secant extension modulus MA at least equal to 250 daN/mm, for an applied force F equal to 15% of FR. Working reinforcement (6) comprises a single working layer (61) the working reinforcers of which form, with the circumferential direction (YY), an angle A.sub.T at least equal to 30 and at most equal to 50. The carcass reinforcers of the at least one carcass layer (81) form, with the circumferential direction (YY) and in the equatorial plane (XZ), an angle A.sub.C2 at least equal to 55 and at most equal to 80 and having an orientation opposite of that of angle A.sub.T of the working reinforcers so that the carcass reinforcers and the working reinforcers constitute a triangulation.

PNEUMATIC TIRE

To reduce noise while suppressing increase in rolling resistance, without affecting the formation of a carcass line, provided is a pneumatic tire (10) including: a carcass (13); an inclined belt (14), and an inner liner (17). The inclined belt (14) is disposed on the tire radial outer side of the crown portion of the carcass (13). The inclined belt (14) includes at least one inclined belt layer (16). The inclined belt layer (16) has cords extending as being inclined at 35 or more with respect to the tire circumferential direction. The inner liner (17) has a thickness of 1.5 mm or more at least in part of a side portion (19).

PNEUMATIC TIRE
20170028782 · 2017-02-02 · ·

A pneumatic tire has a belt layer between a carcass and a tread portion. The belt layer has first and second main working belts, and a reinforcement belt. A cord angle of the reinforcement belt is not smaller than 6 degrees and not larger than 9 degrees and width thereof is equal to or wider than 50% of a tire-section width and not wider than either narrower one of the first and second main working belts. In a state where the pneumatic tire is mounted on a predetermined rim and filled with a minute internal pressure with no load applied, an arc passing points on both maximum width positions and a point on a tire equatorial plane of the reinforcement belt, in meridian section, has a radius of curvature of not smaller than 2500 mm. A total thickness T.sub.CE and T.sub.SH satisfy a relationship of 1.05T.sub.SHT.sub.CE1.35T.sub.SH.

Pneumatic Tire
20170008354 · 2017-01-12 ·

The pneumatic tire of the present technology includes: a tread portion; sidewall portions; and bead portions. A pattern of grooves is formed on the tread portion, and a strip-shaped sound-absorbing member is bonded along the tire circumferential direction to a region of the tire inner surface corresponding to the tread portion via an adhesive layer. A first ground contact region is defined between the tire ground contact edge on one side in the tire width direction and the tire equatorial plane, and a second ground contact region is defined between the tire ground contact edge on the other side in the tire width direction and the tire equatorial plane. The sound-absorbing member is offset with respect to the tire width direction so that the centroid of a cross-section of the sound-absorbing member in a plane that includes a tire axis is located within the first ground contact region.

Tire

A tire 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 JATMA standard or an ETRTO standard, and has a total width smaller than a value obtained by subtracting 5 mm from a maximum total width of the new product dimensions. The tire includes an outer surface including a tread surface and a pair of side surfaces. The tread surface includes an equator. Each of the side surfaces includes a maximum width position. In a normal state, a ratio of a length of the shoulder line segment to a length of the reference line segment is 85.9% or more and 89.3% or less, and a ratio of the radius of the center arc to the radius of the middle arc is 1.85 or more and 2.00 or less.

Pneumatic vehicle tire with specified belt bandage

A pneumatic vehicle tire for passenger cars comprises a carcass, a tread, and a belt which has belt plies and which is covered radially outwardly by a belt bandage having strengthening elements oriented approximately in the circumferential direction, the belt bandage comprising at least one belt bandage ply each consisting of a central section and two lateral sections each arranged next to the central section without overlapping the central section, the strengthening elements of the central section being x1 construction and the strengthening elements of each lateral section being identical cords of x2 or higher construction, the density of the strengthening elements in the central section being less than the density of the strengthening elements in the lateral sections, and the axial distance of each lateral section inner end from the closest end of the widest belt ply being 5-30 mm.