Patent classifications
B60C2009/2223
MOTORCYCLE TIRE
A motorcycle tire 1 comprises a tread portion 2, sidewall portions 3, bead portions 4, a carcass 6 extending between the bead portions, and a tread reinforcing layer 7 disposed radially outside the carcass in the tread portion. The tread reinforcing layer 7 is composed of a helically wound strip 10 of parallel reinforcing cords 11 coated with topping rubber 12. The winding pitch Pm of the strip 10 in middle parts Mi of the tread reinforcing layer is less than the winding pitch Pc of the strip 10 in a central part Cr, and less than the winding pitch Ps of the strip 10 in shoulder parts Sh.
Aircraft tire
In order to suppress the dimensions and mass of an aircraft tire from becoming uneven around the tire circumferential direction, an aircraft tire includes: a belt layer provided further to a tire radial direction outside than a carcass; and a sheet shaped belt protection member that is wound around a tire circumferential direction TC between a tread section and the belt layer, and that includes incision portions incised along a tire width direction TW, with the incision portions formed at uniform intervals around the tire circumferential direction TC.
CROWN REINFORCEMENT FOR AN AIRCRAFT
Tire for an aeroplane and, in particular, the crown thereof which comprises a tread (1), a working reinforcement (2), a carcass reinforcement (3) and a hoop reinforcement (4). The radially internal working layer (21) of the working reinforcement (2) comprises a concave portion. The hoop reinforcement (41) comprises at least one hooping layer (41) radially on the inside of the working layer (21) and made up of mutually parallel reinforcing elements, having a mean diameter D, that are inclined, with respect to the circumferential direction (XX), at an angle of between +10 and 10. The hooping layer (41) comprises at least one axial discontinuity (411) having an axial width (L411) at least equal to three times the mean diameter D of the reinforcing elements of the hooping layer (41).
Tire overlay composition
A tire comprising an overlay ply wherein (i) the shoulder section of the overlay comprises an elastomer and short polymeric or non-polymeric reinforcing fibers present in an amount of from 0.1 to 10 parts fiber per hundred parts of elastomer, the short fibers having a tenacity of at least 2 grams per dtex, a modulus of at least 10 grams per dtex and a length of from 0.1 to 8 mm and wherein the fibers are aligned substantially parallel to each other in a controlled angle of orientation within the overlay wherein the orientation is selected such that it decreases tire noise, and (ii) the section of overlay in the crown of the tire comprising cords of continuous filament polymeric fibers or continuous strands of metal or combinations thereof, the cords being aligned in a circumferential direction around the tire.
Pneumatic tire
A pneumatic tire whose mounting location on a vehicle is specified and which comprises a belt disposed radially outside the carcass and composed of belt cords laid at an angle of from 15 to 40 degrees with respect to the tire circumferential direction, and a band disposed radially outside the belt and composed of first and second band cords laid at an angle of not more than 5 degrees with respect to the tire circumferential direction. The band comprises an inboard first part composed of the first band cord having a first modulus M1, and an outboard second part composed of the second band cord having a second modulus M2 more than the first modulus M1. The number of laminated plies of the band in the inboard first part is more than the number of laminated plies or a single ply of the band in the outboard second part.
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 and method for manufacturing pneumatic tire
A belt cover layer is formed by spirally winding belt cover materials including a first cover material and a second cover material. When one side in a tire width direction with respect to a tire equatorial plane is defined as a first side and another side is defined as a second side, the first cover material is disposed from a position between a shoulder region on the second side and the tire equatorial plane to a shoulder region on the first side. The second cover material is disposed from a position between the shoulder region (Ash) on the first side and the tire equatorial plane to the shoulder region on the second side. The first cover material and the second cover material have an overlapping portion at a position where positions in the tire width direction become positions identical to one another.
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.
TIRE WITH PLY STRIP BELT
A tire is disclosed having at least one belt formed by ply strips. The ply strips preferably have a first end that are staggered from each other, and more preferably are staggered in equal increments. Each ply strip comprises an elastomer composition reinforced by at least one elongated reinforcement element. In one aspect, each ply strip has an angle with a circumferential direction within a range of 6 to 14. In another aspect, each ply strip has an angle of at most 15 with the circumferential direction, and at least one strip end of each ply strip is located at one lateral edge of its belts. In another aspect, a belt is formed by at least three ply strips, each ply strip being spirally wound about an axis of rotation of the tire, and having a first strip end located at a first lateral side of its belt.