Class / Patent application number | Description | Number of patent applications / Date published |
152535000 | Structure made up of two or more sets of plies wherein the reinforcing cords in one set lie in a different angular position relative to those in other sets | 22 |
20090133797 | PNEUMATIC TIRE - A tire casing | 05-28-2009 |
20100065182 | Tire for Heavy Vehicle - A heavy vehicle tire comprising at least four working plies formed of reinforcing elements which, from one ply to the next, cross one another, and comprising at least one protective ply. The tire is supplemented on each side of the circumferential mid-plane by a single working half-ply the reinforcing elements of which make an angle greater than 30° with the circumferential direction, the half-ply being radially on the inside of and adjacent to the radially outermost continuous working ply, its axially outer end being axially on the outside of the ends of the continuous working plies, and the reinforcing elements of the half-ply, the reinforcing elements of the radially outermost continuous working ply and the reinforcing elements of the protective ply the end of which is axially on the outside of the ends of the working plies being oriented in the same direction. | 03-18-2010 |
20100206452 | HEAVY LOAD VEHICLE TIRE - A tire includes a carcass structure including at least one carcass ply of a substantially toroidal shape, having opposite lateral edges associated with respective right-hand and left-hand bead structures; a belt structure applied in a radially external position with respect to the carcass structure; a tread band applied in radially external position with respect to the belt structure; two sidewalls, each sidewall being applied laterally on opposite sides with respect to the carcass structure, the belt structure including at least one pair of lateral reinforcing layers substantially symmetrically arranged with respect to the equatorial plane of the tire and applied in correspondence with the axially external portions of the tire belt structure, the lateral reinforcing layers being provided with reinforcing elements oriented in a substantially circumferential direction; a first belt layer applied in a radially external position with respect to the at least one pair of lateral reinforcing layers, the first belt layer being provided with reinforcing elements parallel to one another and inclined with respect to the equatorial plane of the tire. | 08-19-2010 |
20100276053 | RADIAL TIRE FOR AIRCRAFT - The present invention relates to a radial tire for an aircraft having a belt structure capable of sufficiently satisfying a demand for recent high pressure resistance without increase in tire weight and more particularly to a radial tire for an aircraft having a carcass serving as a framework and toroidally extending between a pair of bead portions, and a belt disposed on a radially outer side of the carcass and consisting of at least two belt layers consisting of plies having a plurality of organic fiber cords coated with rubber, wherein the belt is configured in such a manner that elongation at break Lout of a radially outermost belt layer is smaller than elongation at break Lin of a radially innermost belt layer, a ratio Lout/Lin satisfies the relationship 0.811-04-2010 | |
20120073722 | PNEUMATIC TIRE - A pneumatic tire including a carcass layer wherein reinforcing cords are arranged in a tire circumferential direction and ends thereof in a tire width direction extend to bead cores disposed in bead portions of both sides; and a belt layer including a layer provided on an outer side in a tire radial direction of the carcass layer. A range, inward in the tire width direction of ends of the belt layer in the tire width direction, is not less than 5% and not more than 95% of a maximum dimension of the belt layer in the tire width direction; and a carcass strength coefficient K of the carcass layer defined by the formula [carcass strength coefficient K (N/mm·kPa)]=[reinforcing cord count (cords/mm)]×[reinforcing cord strength (N/cord)]×[number of carcass layers]÷[maximum air pressure (kPa)] is such that 0 (N/mm·kPa)03-29-2012 | |
20120138205 | PNEUMATIC TIRE - A pneumatic tire has a belt layer arranged in a tread portion. The belt layer includes a first belt ply, a second belt ply arranged in an outer peripheral side of the first belt ply, and a third belt ply arranged in an outer peripheral side of the second belt ply. The third belt ply is provided with a circumference reinforcing portion which is positioned in an inner region of a land portion, and a lateral reinforcing portion which is positioned in an inner region of a main groove. The circumference reinforcing portion is structured such that an angle of a cord with respect to a tire circumferential direction is less than 45°. The lateral reinforcing portion is structured such that an angle of a cord with respect to the tire circumferential direction goes beyond 45°. | 06-07-2012 |
20120222792 | LOW ASPECT RATIO SUPER SINGLE TRUCK TIRE - A pneumatic low aspect ratio truck has a crown reinforcing structure | 09-06-2012 |
20120241068 | PNEUMATIC TIRE - Provided is a pneumatic tire having excellent durability and driving stability during high-speed running of the vehicle (that is, during high-speed rotation of the tire). The pneumatic tire includes: a carcass; an intersecting belt which is provided on the outer circumference side of a crown portion of the carcass and formed of two inclined belt layers having cords inclined and extending in a direction intersecting each other across a tire equatorial plane; and a circumferential belt layer which is provided on either one of the inner side and the outer side of the intersecting belt in the tire radial direction and includes a spiral cord arranged as being spirally wound at an inclination angle of equal to or smaller than 5 degrees to the tire equatorial plane. Of the two inclined belt layers forming the intersecting belt, the cords in a first inclined belt layer are inclined at an inclination angle that falls within the range of 45 to 90 degrees relative to the tire equatorial plane, while the cords in a second inclined belt layer are inclined at an inclination angle that falls within the range of 15 to 45 degrees relative to the tire equatorial plane and is smaller than the inclination angle of the cords in the first inclined belt layer. | 09-27-2012 |
20130042954 | PNEUMATIC VEHICLE TIRE - The invention relates to a pneumatic vehicle tire, comprising a carcass ( | 02-21-2013 |
20130153107 | PNEUMATIC TIRE, THE BELT OF WHICH IS PROVIDED WITH A RUBBER COATING FOR REDUCING ROLLING NOISE - A radial tyre for reducing rolling noise includes a tread, two inextensible beads, two sidewalls connecting the beads to the tread, a carcass reinforcement, and a belt arranged circumferentially between the tread and the carcass reinforcement. The belt includes at least two cross-superposed belt plies, each belt ply having metallic reinforcements arranged parallel to each other within a ply but crossed from one ply to another at an angle of between 10° and 45°. The metallic reinforcements are coated with a belt coating rubber. The belt coating rubber includes 50 to 100 phr (parts by weight per hundred parts of elastomer) of a copolymer based on styrene and butadiene and having a glass transition temperature of greater than −40° C., a reinforcing filler, and a crosslinking system. | 06-20-2013 |
20130206310 | PNEUMATIC TIRE - The present invention provides a pneumatic tire having a carcass | 08-15-2013 |
20140124117 | TIRE | 05-08-2014 |
20140238573 | PNEUMATIC VEHICLE TIRE - A pneumatic vehicle tire of a radial type of construction is for heavy trucks and has a four-ply belt ( | 08-28-2014 |
20140261952 | 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. | 09-18-2014 |
20140283969 | TIRE COMPRISING A LAYER OF CIRCUMFERENTIAL REINFORCING ELEMENTS - A tire having a crown reinforcement formed of at least two working crown layers having unequal axial widths, a layer C of rubber mixture being positioned between at least the ends of the said at least two working crown layers, and the crown reinforcement having at least one layer of circumferential reinforcing elements positioned radially between two working crown layers. The distance d between the end of the axially narrowest working layer and the working layer separated from the axially narrowest working layer by the layer C of rubber mixture is such that 1.1ø≦d≦2.2ø, ø being the diameter of the reinforcing elements of the said at least one layer of circumferential reinforcing elements, and, in a meridian plane, the thickness of the layer C of rubber mixture is substantially uniform. | 09-25-2014 |
20140338811 | TIRE COMPRISING CASING-REINFORCING CABLES HAVING LOW PERMEABILITY, AND FABRIC THREADS COMBINED WITH THE CASING REINFORCEMENT - A tire having a radial carcass reinforcement, composed of at least one layer of metal reinforcing elements, the said tire comprising a crown reinforcement, itself topped radially by a tread, the said tread being joined to two beads via two sidewalls. The metal reinforcing elements of at least one layer of the carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm | 11-20-2014 |
20140345775 | TIRE COMPRISING CABLES FOR REINFORCING THE CASING HAVING LOW PERVIOUSNESS, AND TEXTILE THREADS ASSOCIATED WITH THE CASING REINFORCEMENT - A tire having a radial carcass reinforcement, composed of at least one layer of metal reinforcing elements, and having a crown reinforcement, itself topped radially by a tread, the said tread being joined to two beads via two sidewalls. The metal reinforcing elements of at least one layer of the carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm | 11-27-2014 |
20140352865 | TIRE COMPRISING CARCASS REINFORCEMENT CABLES HAVING LOW PERVIOUSNESS, AND TEXTILE THREADS ASSOCIATED WITH THE CARCASS REINFORCEMENT - A tire having a radial carcass reinforcement, composed of at least one layer of metal reinforcing elements, the said tire comprising a crown reinforcement, itself topped radially by a tread, the said tread being joined to two beads via two sidewalls. The metal reinforcing elements of at least one layer of the carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm | 12-04-2014 |
20150020943 | Low-Metal Tire - A tire includes a carcass ply and at least one annular structure associated with the carcass ply. The tire further includes a metal-free circumferential belt region comprising a first metal-free belt ply and a second metal-free belt ply. The tire also has a metal-free cap ply disposed radially outward of the first metal-free belt ply and the second metal-free belt ply. The tire also includes a metal-free circumferential tread that contacts a road, and a pair of sidewalls associated with at least one annular structure and the metal-free circumferential tread. | 01-22-2015 |
20150101727 | Pneumatic Tire - A pneumatic tire comprises a carcass layer, a belt layer disposed on an outer side of the carcass layer in a tire radial direction, and a tread rubber disposed on the outer side of the belt layer in the tire radial direction. The belt layer formed by laminating an angle belt having a belt angle≧45° and ≦70° in absolute values, a pair of cross belts, having belt angles of ≧10° and ≦45° in absolute values and having belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to a tire circumferential direction. A tread width TW and a total tire width SW such that 0.79≦TW/SW≦0.89. A width Ws of the circumferential reinforcing layer and a cross-sectional width Wca of the carcass layer such that 0.60≦Ws/Wca≦0.70. | 04-16-2015 |
20150107745 | Pneumatic Radial Tire for Use on Passenger Car - A pneumatic radial tire for use on a passenger car of the present technology includes a main belt layer in which belt plies with steel cords embedded at an angle of 15° to 45° with respect to a tire circumferential direction are overlapped in two layers in mutually crossing directions on an outer side in a tire radial direction of a carcass layer of a crown region, wherein, as a belt auxiliary layer, plies with steel cords embedded at an angle of 80° to 90° with respect to a tire circumferential direction are disposed between a carcass layer and an inner side main belt layer so that a portion of the plies is in a position separated 30 mm to the tire equator side, respectively, from both ends in a width direction of the narrow width main belt layer. | 04-23-2015 |
20150360516 | HEAVY LOAD TIRE - A first belt layer includes a cord extending at an inclination angle of greater than 45° with respect to the tire circumferential direction, a second belt layer includes a cord extending in the tire circumferential direction, and a third belt layer includes a cord extending at an inclination angle of 30° or less in the opposite direction from the cord of the first belt layer with respect to the tire circumferential direction. The belt layers are arranged in order, with the first belt layer furthest inward in the tire radial direction, on the outer circumferential side of a crown region of a carcass extending toroidally between a pair of bead portions. The third belt layer width w | 12-17-2015 |