Class / Patent application number | Description | Number of patent applications / Date published |
152531000 | Utilizing at least one ply the cords of which run circumferentially (zero degree belt) | 22 |
20080295945 | BELT PACKAGE FOR SUPER SINGLE TRUCK TIRES - A medium truck tire ( | 12-04-2008 |
20090211685 | Flat Heavy-Duty Pneumatic Radial Tire and Method of Manufacturing the Same - A flat heavy-duty pneumatic radial tire having a 0-degree belt layer formed of steel cords and increased in durability, wherein multiple plies of steel cord belt layers ( | 08-27-2009 |
20100024943 | TWO-PIECE TIRE - A two-piece tire assembly | 02-04-2010 |
20100024944 | PNEUMATIC RADIAL TIRE - Provided is a pneumatic radial tire: that includes a circumferential-direction reinforcement layer having a width increased with fatigue break of the circumferential-direction reinforcement layer being suppressed at edge portions thereof; and that suppresses separation in each of cross belt layers at edge portions thereof. A pneumatic radial tire according to the present invention is a pneumatic tire including: at least two cross belt layers disposed on an outer circumferential side of a carcass layer in a tread portion; and at least one circumferential-direction reinforcement layer disposed between these cross belt layers, a width of the circumferential-direction reinforcement layer being smaller than that of each cross belt layer. The pneumatic radial tire is configured so that: the cross belt layers are separated away from each other at outer sides respectively of end positions, in a width direction, of the circumferential-direction reinforcement layer; the circumferential-direction reinforcement layer includes steel cords of two types which differ in elongation at break; and the steel cord having relatively small elongation at break is disposed in a center portion of the circumferential-direction reinforcement layer, whereas the steel cord having relatively large elongation at break is disposed in each of outer side portions of the circumferential-direction reinforcement layer. | 02-04-2010 |
20100024945 | PNEUMATIC TIRE FOR TWO-WHEELED VEHICLE - A pneumatic tire for a two-wheeled vehicle has further increased driving stability, particularly in turning. Pneumatic tire | 02-04-2010 |
20100024946 | PNEUMATIC TIRE - The present invention provides a tire with a belt having relatively high durability by improving fatigue resistance of cords at end portions of a circumferential belt layer, in particular, and especially proposes a radial tire for heavy load, having a relatively small aspect ratio. For this purpose, the present invention provides a tire having a carcass as a skeleton provided in a toroidal shape over a pair of bead portions, a belt disposed on the outer side in the radial direction of the carcass, and a tread disposed on the outer side in the radial direction of the belt, the belt including: at least one layer of circumferential belt layer disposed on the outer side in the radial direction of a crown portion of the carcass and formed of a number of cords extending along the equatorial plane of the tire and coating rubber thereon; and at least two layers of slant belt layers disposed on the circumferential belt layer and each formed of a number of cords extending in a direction inclined with respect to the equatorial plane O of the tire and coating rubber thereon, characterized in that: a width of the circumferential belt layer is no less than 60% of the total width of the tire; a width of at least one of the slant belt layers is wider than the width of the circumferential belt layer; and modulus of elasticity of first cords disposed on an end portion side in the widthwise direction of the circumferential belt layer is lower than modulus of elasticity of second cords disposed on the inner side in the widthwise direction of the first cords. | 02-04-2010 |
20100065181 | PNEUMATIC TIRE FOR MOTORCYCLE - The present invention provides a pneumatic tire for a motorcycle, which tire is capable of improving both stability in running straight at a relatively high speed and gripping properties in cornering at the same time. The pneumatic tire for a motorcycle, comprises: a dual layered slant belt | 03-18-2010 |
20100084070 | RADIAL TIRE FOR USE IN AIRCRAFT AND METHOD OF PRODUCING THE SAME - The present invention provides a belt formed of a spirally wound strip member constituted of a few juxtaposed cords and rubber coating thereon, with a structure which can absorb influence of difference in winding diameter at the unit width portion of the strip member without deteriorating productivity of the tire. Specifically, the present invention provides a radial tire for use in aircraft, having a carcass including at least one layer of carcass ply extending in a troidal shape between a pair of bead cores, at least two layers of belt formed by spirally winding in a tire circumferential direction a strip member constituted of plural juxtaposed cords and rubber coating thereon, on the carcass on the outer side in the tire radial direction at a crown region of the carcass, and a tread rubber laminated on the belt, characterized in that: thickness and circumference of the belt decrease from the tire equatorial face toward end portions thereof in the widthwise direction; at least a belt portion corresponding to a tire shoulder portion, a boundary face between the belt layers and the tread rubber has a stepped configuration descending in the tire radial direction from the tire equatorial face toward the end portions thereof in the widthwise direction; and a boundary face between the belt and the carcass is a smooth curved face. | 04-08-2010 |
20100096060 | PNEUMATIC TIRE - Problem: To provide a pneumatic tire, wherein the performance of the tire (in terms of resistance to uneven wear) can be improved. | 04-22-2010 |
20100147434 | AIRCRAFT RADIAL TIRE - A pneumatic radial aircraft tire is described having a B/A ranging between 60-70%, wherein B is the width of the tire between the wheel flange, and A is the inflated tire width under rated pressure. The tire may further optionally include a tire bead portion having a Ra/Fr | 06-17-2010 |
20100163149 | TIRE FOR TWO-WHEELED MOTORCYCLES - A tire for two-wheeled motorcycles of the present invention includes a first carcass layer folded back along circumferential surfaces of bead cores, a second carcass layer folded back along circumferential surfaces of turnbacks of the first carcass layer | 07-01-2010 |
20100206451 | PNEUMATIC TIRE FOR MOTORCYCLE - The present invention aims to provide a pneumatic tire for a motorcycle further improving driving stability especially in turning. A pneumatic tire | 08-19-2010 |
20120318426 | PNEUMATIC VEHICLE TYRE - A pneumatic vehicle tyre for commercial vehicles, comprising a carcass ( | 12-20-2012 |
20130228262 | METHOD OF INCREASING PERFORMANCE AND COMFORT OF A TYRE FOR VEHICLE WHEELS AND TYRE FOR VEHICLE WHEELS - Performance and comfort is increased in a tyre for vehicle wheels by assembling a tyre which includes a belt structure including at least one radially external reinforcing layer including a plurality of cords disposed at a substantially zero angle relative to a circumferential extension direction of the tyre. Each of the cords includes cellulose fibres, such as rayon, and aliphatic polyamide fibres, such as nylon. | 09-05-2013 |
20150122393 | PNEUMATIC TIRE FOR MOTORCYCLE - The present invention aims at providing a pneumatic tire for a motorcycle, capable of improving steering stability and wear resistance in a turning situation with maintaining good turning performance achieved by a relatively wide auxiliary belt layer. Specifically, the present invention provides a pneumatic tire for a motorcycle, characterized in that: the auxiliary belt layer is sectioned into a middle area Am overlapping a region where the belt layer is provided and respective side areas As each extending beyond the region where the belt layer is provided; the cords in the middle area Am extend at an inclination angle θm in the range of 70° to 90° with respect to the tire circumferential direction; and the cords in each side area As extend, in at least a portion of the side area, at an inclination angle θs different from the inclination angle θm with respect to the tire circumferential direction. | 05-07-2015 |
20150136296 | Pneumatic Tire - A pneumatic tire includes an inner-side cross belt and an outer-side cross belt forming belt angles of mutually different signs with the tire circumferential direction with absolute values from 46° to 80°, inclusive; a circumferential reinforcing layer arranged between the inner-side cross belt and the outer-side cross belt and forming a belt angle of ±5° with the tire circumferential direction; and a supplemental belt arranged outside the outer-side cross belt in the radial direction of the tire and forming a belt angle with the tire circumferential direction with an absolute value between 10° and 45° inclusive. | 05-21-2015 |
20150136297 | PNEUMATIC TIRE - In a pneumatic tire, a belt layer includes an inner-side cross belt and an outer-side cross belt each having an absolute value of a belt angle with respect to the tire circumferential direction of not less than 46 degrees and not more than 80 degrees and having the belt angles with signs that are opposite to each other. The circumferential reinforcing layer has a belt angle with respect to the tire circumferential direction within the range ±5 degrees and disposed between the inner-side cross belt and outer-side cross belt. The supplemental belt has an absolute value of a belt angle with respect to the tire circumferential direction of not less than 10 degrees and not more than 45 degrees, and is disposed on the inner side in the tire radial direction of the inner-side cross belt. The supplemental belt and the inner-side cross belt have belt angles with opposite signs. | 05-21-2015 |
20160046152 | TIRE - A tire which has a circular tire frame formed of a resin material, and a reinforcing metallic cord member wound around an outer circumferential portion of the tire frame, in which the resin material comprises a polyamide-based thermoplastic elastomer including a soft segment and a hard segment including a structural unit represented by —[CO—(CH | 02-18-2016 |
20180022157 | RADIAL TIRE HAVING AN IMPROVED BELT STRUCTURE | 01-25-2018 |
20180022158 | RADIAL TIRE HAVING AN IMPROVED BELT STRUCTURE | 01-25-2018 |
20180022159 | RADIAL TIRE HAVING A VERY THIN BELT STRUCTURE | 01-25-2018 |
20180022160 | RADIAL TIRE HAVING AN IMPROVED BELT STRUCTURE | 01-25-2018 |