Abstract: A pneumatic tire comprising a belt structure and a torus shaped carcass having a first inner radius and an outer radius, wherein the carcass is comprised of three or more layers of ply, wherein each layer of ply is formed from a rubberized strip of one or more cords, the strips being wound in an geodesic pattern having the cord extend across the carcass from a first shoulder to a second shoulder in a path that has at least one point tangent to the first inner radius located in the bead area of the tire.

Abstract: A method of making a tire comprising the steps of providing a core; forming a first layer of ply by winding a strip of one or more rubber coated cords onto the core in a geodesic pattern extending from a first shoulder to a second shoulder opposite said first shoulder and being tangent to the bead at a location between said first shoulder and said second shoulder.

Abstract: The invention provides a radial tire, in which a single rubber coated cord (C1) is used to form a carcass layer (1) without generating any material jointed portion and which is favorable in weight balance, external appearance, and quality and excellent in productivity, the carcass layer (1) is formed from at least one cord row layer (11A) formed by cutting a rubber coated cord (C1), which is formed to make an external shape of a cross section elliptical, one by one, to align and bond the same in a tire circumference direction, and the cord row layer is jointed only in a single location on a tire circumference to generate little overlap.

Abstract: A process for assembling a tire, including producing a crown of said tire on a drum of variable diameter of a generally cylindrical form.

Abstract: A pneumatic tire comprising a belt structure and a torus shaped carcass having a first inner radius and an outer radius, wherein the carcass is comprised of three or more layers of ply, wherein each layer of ply is formed from a rubberized strip of one or more cords, the strips being wound in an geodesic pattern having the cord extend across the carcass from a first shoulder to a second shoulder in a path that has at least one point tangent to the first inner radius located in the bead area of the tire.

Abstract: A method of making a tire comprising the steps of providing a core; forming a first layer of ply by winding a strip of one or more rubber coated cords onto the core in a geodesic pattern extending from a first shoulder to a second shoulder opposite said first shoulder and being tangent to the bead at a location between said first shoulder and said second shoulder.

Abstract: This invention pertains to a new method for manufacturing tires, an apparatus used with the new method and the article manufactured by the new method. The article is called the reinforced liquid elastomer tire (RLET). The method of manufacture includes placement of reinforcing materials inside a tire molding cavity and subsequently surrounding the reinforcement with a liquid elastomer which encapsulates the reinforcement and takes the outside shape of the tire mold. The liquid elastomer is solidified and the completed RLET is removed from the mold and ready for service.

Abstract: A pneumatic tire comprising a radial carcass (5) of at least one carcass ply including a main body portion (3a) and a turnup portion (3b), and a reinforcing member (7) including at least two reinforcing layers. The at least two reinforcing layers (6a, 6b) are cross reinforcing layers (21) arranged so as to envelop at least the turnup portion of the radial carcass and cross cords of these layers with each other. Outer ends of the cross reinforcing layers, located outward from the turnup portion (3b) of the radial carcass in the widthwise direction of the tire, are outward from an outer end (13) of the turnup portion of the radial carcass in the radial direction of the tire. A crossing angle ? between cords of adjacent cross reinforcing layers with respect to a circumferential direction (15) of the tire is more than 50° but less than 1300°.

Abstract: A pneumatic tire has two or more carcass layers for reinforcing between a pair of annular beads. The pneumatic tire includes: (i) a region including or near a position having a tire maximum width, which region includes a radial region where cords constituting the carcass layers are arranged at an angle of 90±10° with respect to a circumferential direction; (ii) a region between the radial region and one of the beads close thereto, which region includes a bias region where cords in an upper layer and cords in a lower layer constituting the carcass intersect and are both arranged at an angle of 10° to 60° with respect to the circumferential direction; and (iii) a region between the radial region and a tire equator line, which region includes another bias region.

Abstract: A pneumatic tire includes two or more carcass layers for reinforcing between a pair of annular beads, and a reinforcing layer having a cord arranged on an outer peripheral surface of the carcass layer below a tread surface in a circumferential direction of a tire. The pneumatic tire has a flattening of 70% or less. The cord constituting the carcass layers are arranged substantially in a radial direction in a region of the tire from the bead to a position near a tire maximum width, and from that position to a grounding end. The angle with respect to a circumferential direction of the tire is gradually changed between 20° and 60° in the vicinity of the grounding end, and between 20° and 50° at the tread surface.

Abstract: Tire including at least one carcass reinforcement of at least one ply anchored in each bead B to at least one bead wire, each bead being reinforced by at least two reinforcement plies formed of reinforcing elements inclined relative to the circumferential direction at an angle between 10° and 30°, said reinforcement plies being axially adjacent to the carcass ply wherein the reinforcing elements of at least one ply of the carcass reinforcement, in each part adjacent to the two bead reinforcement plies, are inclined relative to the circumferential direction at an angle between 50° and 80° and are radial in the part located between the radially upper ends of said two reinforcement plies, said ends being located radially outside the sidewall points that define the maximum axial width of the tire when mounted on its intended wheel rim and inflated.

Abstract: A carcass ply producing apparatus for producing a carcass ply constituting a carcass layer of a tire comprises a supply head for supplying one or a plurality of ply cords, a head driving mechanism for reciprocating the supply head along a widthwise direction of the carcass ply, a sticking body having a sticking surface to which the ply cord supplied by the supply head is stuck, a sticking body driving mechanism for moving the sticking surface of the sticking body along a longitudinal direction of the carcass ply, and a moving amount controlling mechanism capable of controlling a moving amount of the sticking surface with respect to a moving amount of the supply head, wherein when the ply cord is supplied along the widthwise direction of the carcass ply, a disposition angle of the ply cord with respect to the longitudinal direction can be changed.

Abstract: An improved single-stage method for building a tire includes the steps of forming a cylindrical-shaped carcass with axially extending carcass reinforcing cords, fitting annular bead hoops onto the radially outer surface of the carcass ply at positions axially inward of each of the carcass ply edges, assembling a plurality of breaker plies, including one wide breaker ply, centrally onto and about the radially outer surface of the carcass ply, and fitting onto this cylindrical assembly the remaining components of the tire to form a cylindrical green tire assembly, wherein the radial bias angle of the carcass reinforcing cords in the vulcanized tire changes progressively from 90° in the regions of the bead hoops to as low as 70° in the central crown region.

Abstract: A process for manufacturing, in one stage, a tire comprising a carcass reinforcement (1) which is radial in the sidewalls and oblique radially beneath a crown reinforcement (3), composed of at least two layers (31) and (32) of reinforcement elements (310) and (320) which are crossed from one layer to the next, wherein there is pre-shaped to a diameter D1 and by means of a sleeve of at least one shaping ply N, vulcanized and formed of reinforcement elements forming with the circumferential direction an angle &agr;1, laid on the building drum T of diameter D, at least the central part of a carcass reinforcement ply (1) formed of radial reinforcement elements (10) forming with the circumferential direction an angle ∓&bgr;1. There is laid on the central part at least one crown ply (31, 32) formed of reinforcement elements (310, 320) oriented relative to the circumferential direction at angles ±&ggr;1 (&mgr;&ggr;1), &ggr;1 being little different from &bgr;1.

Abstract: Tire including at least one carcass reinforcement of at least one ply anchored in each bead B to at least one bead wire, each bead being reinforced by at least two reinforcement plies formed of reinforcing elements inclined relative to the circumferential direction at an angle between 10° and 30°, said reinforcement plies being axially adjacent to the carcass ply wherein the reinforcing elements of at least one ply of the carcass reinforcement, in each part adjacent to the two bead reinforcement plies, are inclined relative to the circumferential direction at an angle between 50° and 80° and are radial in the part located between the radially upper ends of said two reinforcement plies, said ends being located radially outside the sidewall points that define the maximum axial width of the tire when mounted on its intended wheel rim and inflated.

Abstract: A tire comprising at least one reinforcement structure of carcass type, a crown reinforcement, each bead being extended radially towards the outside by a sidewall, the sidewalls joining a tread radially towards the outside, the reinforcement structure comprising:

Abstract: A method and article of manufacture is disclosed describing a technique to make a tire having at least one ply having a geodesic cord path.

Abstract: A tire for heavy equipment, having at least one radial carcass reinforcement surmounted radially to the outside by a crown reinforcement formed of at least three so-called working plies formed of inextensible metal cables, crossed from one ply to the next, forming angles of between 15° and 35° with the circumferential direction. At least one half-ply, formed of inextensible metal cables and of width L′, on either side of the equatorial plane XX′, is arranged between the edges of at least two radially adjacent working plies, the cables of said half-ply forming with the circumferential direction an angle, which is firstly greater in absolute value than 25°, and secondly is greater in absolute value than the largest angle formed by the elements of the two working plies by an amount between 5° and 15°.

Abstract: A pneumatic tire having simplified structure and improved properties has mono-ply carcass having ply turn-ups closely wrapped around the bead hoop and extended to underlie breaker edges and the carcass cord angle in crown region is substantially radial at 85°-90° to the circumferential direction whereas in the sidewall region the cord angles of the main carcass ply portion and the turn-up portion are at a lower angle of 65°-85° and are crossed with respect to each other.

Abstract: A method and article of manufacture are disclosed describing a technique to make a tire having at least one ply having a geodesic cord path.

Abstract: A device (1) making it possible to apply at least one thread (2) to a supt (3) and characterized by the following features:it has a front clamp (4) and a rear clamp (5) along a direction of advance (F.sub.1);it has means (6, 7) for opening and closing said clamps (4, 5);it has means (8) permitting the displacement of the rear clamp (5) in the direction of advance (F.sub.1) or in a direction (F.sub.2) opposite to the direction of advance (F.sub.1); andit has means (9) for displacing the thread (2) in transverse directions.a reinforcing ply for a pneumatic tire having reinforcing threads applied on a support in a sinuous pattern having vertices.

Abstract: The present invention is directed to a tire comprising a three-dimensional wound reinforcement formed from a continuous sheathed filament running diagonally over the region upon which the tread is located and alternating from one tire foot to the other, said filament (i) crossing back and forth over said region, (ii) running into the tire foot tangentially, (iii) running for a relatively long distance in the tire foot, and (iv) crossing over itself over the entire tire shape, said reinforcement resisting forces radially and circumferentially, and an elastomeric material surrounding said reinforcement and to a method of manufacture thereof.