Abstract:
A cured tire having an integral adhered applique both cured in the same cure step in a mold to form spaced apart scuff resistant ribs under the applique on the sidewall of the tire, said applique a thin gauge non-staining compatible rubber backing adhered to said sidewall, a highly stable rubberized ink design adhered to said backing and covered with a removable film before and at the time of removal of the tire from the mold.
Abstract:
A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions each with a bead core and a bead apex therein, each sidewall portion provided on the outer face with means of escaping air between the tire and a mold for vulcanizing the tire, wherein the air escape means comprises a circumferentially extending vent emboss line disposed adjacently to a radially outer end of the bead apex and a circumferentially extending vent groove adjoining the radially outside of the vent emboss line and having a depth of at least 0.15 mm. Preferably, the vent groove has a width of from 5 to 10 mm and a depth of from 0.2 to 0.5 mm, and the vent emboss line and vent groove are disposed in a lower sidewall region having a substantially straight profile. The bottom of the vent groove may be substantially parallel to the straight profile of the lower sidewall region and the bottom may be provided with emboss marks.
Abstract:
A pneumatic tire comprises a pair of sidewall portions each provided on the axially outer surface thereof with a side protector, the side protector comprising at least two concentric ribs and at least one circumferential groove defined therebetween, the circumferential groove composed of a series of deep parts and shallow parts which alternate in the tire circumferential direction.
Abstract:
A tire, designed to carry heavy loads, having a radial carcass reinforcement formed of at least one ply of inelastic reinforcing elements and anchored in each bead to a bead wire so as to form a turn-up whose end is a radial distance HRNC away from the base of the bead, each bead being reinforced by at least two additional reinforcement armatures, at least one first armature being formed of radial reinforcement elements and at least one second armature being formed of elements that make with the circumferential direction an angle &agr; such that 0°≦&agr;≦45°, the first reinforcement armature being formed of radial elements and being wrapped around the bead wire outside the carcass reinforcement while the second armature is not wrapped around the said bead wire.
Abstract:
A pneumatic tire has radially outer black sidewall rubber, radially inner black sidewall rubber, white sidewall rubber therebetween and a wing rubber layer contacting carcass, tread rubber layer and radially outer black sidewall rubber and white sidewall rubber. The radially outer black sidewall rubber extends from the tread edge (P1) to a point (P3) on the tire outer surface, contacts the wing rubber layer extending from the tread edge (P1) to a point (P2), and contacts the white sidewall rubber extending from the point (P2) to the point (P3). The white sidewall rubber is provided between the point (P3) and the point (P4) with a protrusion so that the thickness (DP) of the white sidewall rubber from outer surface to cords of carcass is not less than 4 mm. The maximum thickness (DS) of the radially outer black sidewall rubber is not less than 3 mm at the point (P2).
Abstract:
A tire having a visible sidewall of a rubber composition containing a combination of: (A) a liquid ethylene/butylene copolymer having a terminal hydroxyl group on one end of the copolymer and either a partially hydrogenated polyisoprene block containing olefinic double bonds, or an epoxidized polyisoprene block containing olefinic double bonds, on the other end of the copolymer, (B) cis 1,4-polybutadiene rubber, (C) a brominated copolymer of isobutylene and para-methylstyrene, and (D) a minor amount of at least one conjugated diene-based rubber, preferably cis 1,4-polyisoprene. In such manner, it is considered herein that such liquid polymers are functional liquid polymers via the associated terminal hydroxyl group on one end of the copolymer and the modified polyisoprene blocks on the other end. In another aspect, the liquid copolymers are seen herein to act as processing aids for the rubber composition followed by becoming an integral part of the polymer network upon sulfur curing the resulting rubber composition. Therefore, a tire having a sulfur cured, visible sidewall rubber composition is also provided. In a further aspect, the rubber composition may be reinforced with a reinforcing filler as carbon black or as a combination of carbon black and silica together with a coupling agent.
Abstract:
Tire comprising a carcass reinforcement of at least one ply of reinforcing elements parallel to one another within each ply and making with the circumferential direction an angle &agr; such that 60°
Abstract:
A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions, a radial carcass extending between a pair of bead cores and having a turnup portion, a bead filler rubber, and one or more reinforcing cord layers arranged at a side face zone ranging from the bead portion to the sidewall portion, in which the reinforcing cord layer is a layer of one or more rubberized cords spirally wound about an axial line of the tire and has an inner end in a radial direction of the tire between a position located outward from an outer periphery of the bead core in the radial direction and a position located inward from a tapered end of the bead filler rubber in the radial direction.
Abstract:
An aqueous coating composition which can be applied to a cured rubber surface, such as the white sidewall, colored sidewall, raised white lettering or raised colored lettering of a tire, to provide a protective coating against staining and scuffing. The composition includes (a) polyvinyl alcohol, (b) ethylene-vinyl acetate copolymer, and (c) one or both of (i) a silicon emulsion in an amount sufficient to provide increased scuff resistance to a coating prepared from the composition, and (ii) a thickening agent of a type and in an amount effective to render the composition shear-thinning.
Abstract:
Pressure sensitive labels, which desirably are coated with fluorescent ink having a non-stick pull tab end portion are utilized to indicate a substantially maximum or minimum radial distance of a tire tread and to indicate, respectively, a substantial minimum or maximum radial distance of a matingly engagable tire rim. The tire is applied to the rim with the labels in substantial radial alignment so as to reduce the out of round portion of the tire tread.