Class / Patent application number | Description | Number of patent applications / Date published |
152538000 | Breaker or belt characterized by its dimensions or curvature relative to the carcass or any other part of the tire | 17 |
20090107606 | Tire For Heavy Vehicles - A tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and at least two working layers having different axial widths. At least one first profiled element P of rubber mix separates one working layer from at least one end of a second, axially narrower, layer, said profiled element P being radially separated at least in part from the liner C of said axially narrower working layer by a second profiled element of rubber mix G, said first and second profiled elements of rubber mix P and G and said liner C having secant moduli of elasticity under tension at | 04-30-2009 |
20100154965 | OFFSET ZIGZAG BELT STRUCTURE FOR A PNEUMATIC TIRE - A pneumatic tire has a carcass and a belt reinforcing structure. The belt reinforcing structure includes a first zigzag belt layer having a first amplitude and a first wavelength and a second zigzag belt layer having a second amplitude and a second wavelength. The first wavelength of the first zigzag layer is out of phase with the second wavelength of the second zigzag layer. | 06-24-2010 |
20110041976 | RUBBER COMPOSITION AND HEAVY DUTY PNEUMATIC TIRE USING THE SAME - This invention relates to a rubber composition capable of improving wear resistance without losing low heat buildup and a heavy duty pneumatic tire in which the low heat buildup and the wear resistance are simultaneously established, and more particularly to a rubber composition characterized by comprising 40 to 60 parts by mass of a carbon black based on 100 parts by mass of a rubber component composed of natural rubber and a diene-based synthetic rubber and satisfying a relation of the following formula (1): | 02-24-2011 |
20110073232 | MOTOR VEHICLE TIRE - A motorcycle tyre having a transverse curvature ratio f/C≧0.2 and a sidewall height ratio (H−f)/H≦0.7, has a belt structure provided with a belt layer including at least one filiform reinforcing element arranged to form a plurality of windings parallel to one another at a substantially zero angle relative to the equatorial plane of the tyre. The available elongation of the belt in an intermediate zone between the equatorial plane, and the shoulder is greater than the available elongation corresponding to the equatorial plane. The aforementioned intermediate zone extends at least in a range centred on a camber angle of ±35°. | 03-31-2011 |
20110114238 | PNEUMATIC TIRE - The present invention provides a pneumatic tire having a carcass as a skeleton extending in a toroidal shape over a pair of bead portions, a belt including at least one slant layer, and a tread, the belt and the tread being disposed on the outer side in the tire radial direction of a crown portion of the carcass in this order, characterized in that: a ratio BD/BW of radius difference BD between radius at the center portion and radius at an end portion in the tire widthwise direction of the outermost layer of the slant belt layer(s), to a width BW of the outermost layer, is in the range of 0.01 to 0.04 in a section of the tire in the widthwise direction in a state where the tire is assembled with an application rim. A pneumatic tire being excellent in wear resistance performance and having relatively low rolling resistance can be obtained accordingly. | 05-19-2011 |
20110146876 | GEODESIC BELTED TIRE - A pneumatic tire having a pair of beads, a tread, a pair of sidewalls, and a carcass including a plurality of plies of tire cord fabric, said tire having one or more belt plies, wherein at least one of said belt plies has cords being defined by the equation ρ[cos α] | 06-23-2011 |
20110214792 | PNEUMATIC TIRE FOR MOTORCYCLE - A pneumatic tire for motorcycles is provided which can improve the traction performance especially during sharp cornering by largely leaning a vehicle (motorbike) followed by acceleration, and the stability during leaning of a vehicle in addition to enhancing the steering stability at high speed. | 09-08-2011 |
20110253281 | Tire With A Belt Having Offset Cables - This invention relates generally to an improved tire design that has at least one belt with cables that are offset from each other, and, more specifically, to a tire that has at least two belts that each have cables that are offset from each other, thereby reducing the amount of shear that exists near the free edge of the belts and the likelihood of belt separation when the tire rotates at high speed. This design is effective when the ratio of the radius, R | 10-20-2011 |
20120125509 | PNEUMATIC TIRE - A pneumatic tire comprises a tread, a carcass and a belt structure interposed between the carcass and the tread. The belt structure includes a zigzag belt structure formed of at least two layers of cords interwoven together from a strip of rubber reinforced with one or more cords. The strip forming the zigzag belt structure is layed up in a winding pattern in accordance with the following formula: for i=1 through L, the ith winding pattern is: [W | 05-24-2012 |
20120312442 | REDUCED WEIGHT AIRCRAFT TIRE - A pneumatic tire having a carcass and a belt reinforcing structure wherein the belt reinforcing structure is a composite belt structure having at least one radially inner spiral layer and at least one zigzag belt reinforcing structure located radially outward of said spiral layer. The zigzag belt width is preferably wider than the spiral layer. | 12-13-2012 |
20130153111 | PNEUMATIC TIRE FOR TWO-WHEELED VEHICLE - Provided is a pneumatic tire for a motorcycle which does not produce a failure such as early wear or uneven wear and which has improved grip while turning. | 06-20-2013 |
20140216624 | PNEUMATIC TIRE AND METHOD FOR MANUFACTURING THE SAME - An object of the present invention is to provide a pneumatic tire which can be easily manufactured and can reliably reduce cavity resonance sound. Specifically, the present invention provides a pneumatic tire at least having: a tread portion | 08-07-2014 |
20140311648 | HEAVY LOAD PNEUMATIC RADIAL TIRE - A heavy load pneumatic radial tire according to the present invention includes in order, on the radial direction outer side of a carcass extending toroidally between a pair of bead portions, at least one belt reinforcing layer, two or more inclined belt layers, and a tread. When the tire is mounted on a prescribed rim, with prescribed internal pressure applied and in a no-load condition, a width direction edge of the belt reinforcing layer is located further toward the width direction outer side than the tread edge. | 10-23-2014 |
20140326387 | CROWN FOR AEROPLANE TIRE - An aeroplane tire comprising a tread, a crown reinforcement radially on the inside of the tread and comprising at least one crown layer, the radially interior crown layer having an axial width (L | 11-06-2014 |
20140345776 | BASE TIRE AND TIRE BUILT ON BASE TIRE - Provided is a base tire securing cut resistance while retaining rolling resistance performance of the tire and a tire built on such a base tire. A base tire includes a base rubber which forms the outer periphery of the base tire to which a tread rubber is applied, a pair of mini side rubbers, each protecting the axial edge of the base rubber, and a pair of outer rubber layers, each overlapping the axially outer side of the mini side rubber. | 11-27-2014 |
20140373994 | PNEUMATIC TIRE - A pneumatic tire comprises a tread, a carcass and a belt structure interposed between the carcass and the tread. The belt structure includes a zigzag belt structure formed of at least two layers of cords interwoven together from a strip of rubber reinforced with one or more cords. The strip forming the zigzag belt structure is layed up in a winding pattern in accordance with the following formula: for i=1 through L, the ith winding pattern is: [W | 12-25-2014 |
20150144241 | Tire Carcass Reinforcement For Two-Wheeled Vehicles - A tire having a crown reinforcement ( | 05-28-2015 |