Class / Patent application number | Description | Number of patent applications / Date published |
152552000 | Carcass ply turnup structure around bead rings | 34 |
20090095397 | FLOATING TWO-PLY TIRE - A tire carcass is disclosed herein which includes a first radial ply with shoulder portions and lateral edge portions, each of the lateral edge portions being wrapped around a bead core, a carcass crown portion, the carcass crown portion having a first edge and a second edge, a non-continuous second radial ply, the second radial ply having a right side extending from approximately the first edge of the carcass crown portion, and extending approximately around the first bead core and a left side extending from approximately the second edge of the carcass crown portion, and extending approximately around the second bead core. | 04-16-2009 |
20110247741 | PROCESS FOR MANUFACTURING A TYRE, AND TYRE OBTAINED THEREFROM - During building of a carcass structure, a liner is applied around an outer surface of a primary drum by: circumferentially winding at least one pair of sheets of elastomeric material around an outer surface of the primary drum, which sheets are axially spaced apart from each other so as to form respective axially external portions of the liner; laying at least one continuous elongated element of elastomeric material in the form of a plurality of mutually approached coils around the outer surface of the primary drum in order to form a central portion of the liner having axially external edges that are each associated with an axially internal edge of one of said axially external portions of the liner. | 10-13-2011 |
20110308688 | Light Tire Comprising a Non-Radial Carcass Structure - A tire comprising at least one carcass-type reinforcing structure formed of at least one layer of mutually parallel reinforcing elements making an angle, with the circumferential direction, of strictly less than 75° at least in the region of maximum axial width of the tire and of strictly less than 65° at least in the equatorial plane anchored on each side of the tire to a bead, each bead extending radially outwards in the form of a sidewall, the sidewalls radially towards the outside meeting a tread, and comprising, under the tread, a crown reinforcing structure consisting of at least one layer of reinforcing elements making angles of between 10° and 60° with the circumferential direction and known as a working layer, radially on the outside of the carcass-type reinforcing structure. In sidewalls, the tire comprises at least two axially adjacent carcass reinforcing layer portions, the reinforcing elements of the said carcass reinforcing layer portions being directed on each side of a meridian plane, at least in part of the sidewalls, and the reinforcing elements of at least one working layer crossing the reinforcing elements of the carcass-type reinforcing structure at an angle greater than 40°. | 12-22-2011 |
20120043002 | PNEUMATIC AIRCRAFT TIRE - A pneumatic tire includes a tread, a crown reinforcement radially inward of the tread, a pair of bead cores, a carcass structure radially inward of the crown reinforcement and wound around the bead cores, an innerliner radially inward of the carcass structure, and a barrier layer interposed between the carcass structure and the innerliner. The barrier layer includes two fabric pieces one on each side of a center line of the pneumatic tire. One end of each fabric piece is located near the centerline of the pneumatic tire. The other end of each fabric piece being wrapped around the bead cores and terminating at least at the radial outermost part of the bead cores. | 02-23-2012 |
20120073725 | METHOD FOR CONTROLLING THE DISCHARGE OF FLUIDS DURING A PROCESS FOR VULCANIZATION AND MOLDING OF A GREEN TIRE AND TIRE FOR VEHICLE WHEELS - A method for controlling the discharge of fluids during a process for vulcanization and moulding of a green tire includes the steps of: building at least one portion of a radially internal surface of a green tire by winding of a continuous elongated element of elastomeric material into a plurality of coils confining circumferential grooves along the rolling direction of the tire; disposing the circumferential grooves into fluid communication with discharge channels present in the radially external surface of a pressing bladder disposed in a radially internal cavity bounded by the green tire. | 03-29-2012 |
20120097311 | REDUCED WEIGHT AIRCRAFT TIRE - A pneumatic tire is disclosed having a carcass and a belt reinforcing structure, the carcass comprising at least two inner plies which are wound around a annular bead member from axially inside of the annular bead member toward axially outside thereof and extends radially outward towards the crown to form respective turnup portions; At least one of the inner plies does not wrap around the annular bead member and has a terminal end which has a radial location between a first plane and a second plane, wherein the first plane is tangent to the outer radial surface of the annular bead member and parallel to the tire axis of rotation, and the second plane is tangent to the inner radial surface of the annular bead member and parallel to the axis of rotation of the tire, the carcass further comprising at least two outer plies which extend radially inward from the crown and axially outward of the annular bead member and further extend axially outward and are wrapped around the bead terminating in endings. | 04-26-2012 |
20120097312 | REDUCED WEIGHT AIRCRAFT TIRE - A pneumatic tire is disclosed having a carcass and a belt reinforcing structure, the carcass comprising at least two inner plies which are wound around a annular bead member from axially inside of the annular bead member toward axially outside thereof and extends radially outward towards the crown to form respective turnup portions; At least one of the inner plies does not wrap around the annular bead member and has a terminal end which has a radial location between a first plane and a second plane, wherein the first plane is tangent to the outer radial surface of the annular bead member and parallel to the tire axis of rotation, and the second plane is tangent to the inner radial surface of the annular bead member and parallel to the axis of rotation of the tire, the carcass further comprising at least two outer plies which extend radially inward from the crown and axially outward of the annular bead member and further extend axially outward and are wrapped around the bead terminating in endings. | 04-26-2012 |
20120103499 | REINFORCEMENT COMPRISING TWO REINFORCING MATERIALS AND TIRE COMPRISING SUCH A REINFORCEMENT - Tyre reinforcement ( | 05-03-2012 |
20120125511 | PNEUMATIC TIRE CARCASS WITH NON-CONTINUOUS PLY IN THE BEAD AREAS - A carcass for a pneumatic tire may include a continuous ply and a non-continuous ply having first and second portions. The first and second portions may be positioned in the bead areas of the tire. Each end of the continuous ply may be positioned between the respective first and second portions of the non-continuous ply. | 05-24-2012 |
20120247638 | PNEUMATIC RADIAL TIRE FOR HEAVY LOADS - A pneumatic radial tire for heavy loads that prevents occurrence of a side cut due to a projection while decelerating spread of a cut damage to a tire inner surface. In a widthwise cross section of the tire, angle α satisfies a relation 0<α≦30° that a line joining an intersection between a virtual line and a tire outer surface and a maximum tire width position forms with respect to a radial line segment, the virtual line passing through a maximum carcass width position that is parallel to a tire axis line. An angle β satisfies a relation 0≦β<30° that a line joining the maximum tire width position and a turnoff point forms with respect to the radial line segment, and a reinforcing rubber is disposed between a body portion and a turn-up portion of the carcass. | 10-04-2012 |
20120298278 | CARCASS PLY STRUCTURE FOR A PNEUMATIC TIRE - A pneumatic tire | 11-29-2012 |
20120305161 | Tire Bead for Heavy Civil Engineering Vehicle - The invention relates to improving the endurance of beads of a radial tire for a heavy vehicle of the civil engineering type, by blocking the cracks that are initiated in the carcass reinforcement upturn end zone and that are propagated in the surrounding polymer materials, causing the deterioration of the bead over time. | 12-06-2012 |
20130118670 | PNEUMATIC TIRE WITH TACKIFIED WRAPPED REINFORCEMENT - A pneumatic tire includes a pair of axially spaced apart annular bead structures, a carcass structure wrapped around each bead structure and having a pair of carcass turnups substantially contiguous with the carcass structure from the bead structure to radially outer ends of the pair of carcass turnups, a belt structure disposed radially outward of the carcass structure in a crown area of the pneumatic tire, an overlay structure disposed radially outward of the belt structure, and a component comprising a non-adhesive core cord and a wrap cord encircling the core cord with the wrap cord providing adhesion to a surrounding matrix for the reinforcement cord. | 05-16-2013 |
20130192738 | PNEUMATIC TIRE - A pneumatic tire includes a carcass having a first portion in which a distance between ply cords of a carcass body section and a carcass folded section gradually decreases from a position of a bead core toward outside in a radial direction of the tire, a second portion in which the distance between the ply cords gradually increases from the first portion toward outside in the radial direction of the tire, and a third portion in which the distance between the ply cords gradually decreases from the second portion toward outside in the radial direction of the tire. A notched portion is provided on a widthwise outer skin rubber of the carcass folded section of the second portion by notching the widthwise outer skin rubber inwardly in the width direction of the tire. | 08-01-2013 |
20130292027 | TIRE, THE CARCASS REINFORCEMENT OF WHICH IS REINFORCED WITH A LAYER OF REINFORCING ELEMENTS IN THE BEAD REGION - The invention relates to a tire having a radial carcass reinforcement, consisting of at least one layer of reinforcing elements anchored in each of the beads by an upturn around a bead wire, said carcass reinforcement upturn being reinforced by at least one layer of reinforcing elements or stiffener, the radially outer end of which is radially on the outside of the end of the upturn. According to the invention, the reinforcing elements of at least one stiffener are non-wrapped metal cords with saturated layers, having, in what is called the permeability test, a flow rate of less than 5 cm | 11-07-2013 |
20130340913 | TIRE, THE CARCASS REINFORCEMENT OF WHICH IS REINFORCED WITH A LAYER OF REINFORCING ELEMENTS IN THE BEAD REGION - The invention relates to a tire having a radial carcass reinforcement, consisting of at least one layer of reinforcing elements anchored in each of the beads by an upturn around a bead wire, said carcass reinforcement upturn being reinforced by at least one layer of reinforcing elements or stiffener, the radially outer end of which is radially on the outside of the end of the upturn. | 12-26-2013 |
20140008003 | TIRE, THE CARCASS REINFORCEMENT OF WHICH IS REINFORCED WITH A LAYER OF REINFORCING ELEMENTS IN THE BEAD REGION - The invention relates to a tire having a radial carcass reinforcement, consisting of at least one layer of reinforcing elements anchored in each of the beads by an upturn around a bead wire, said carcass reinforcement upturn being reinforced by at least one layer of reinforcing elements or stiffener, the radially outer end of which is radially on the outside of the end of the upturn. | 01-09-2014 |
20140373995 | Pneumatic Tire - A tire comprising a tread portion, a bead portion including a bead core, and a body ply including a turn-up portion positioned on an exterior of the tire, the turn-up portion of the body ply extending between said bead core and said tread and across a side portion of the tire. | 12-25-2014 |
20150101729 | PNEUMATIC RADIAL TIRE - The invention provides a pneumatic radial tire which improves durability by lowering breakdowns in both of a ply end and a wind-up portion without an increase of weight and manufacturing cost. The pneumatic radial tire has a carcass layer which is provided between a pair of bead portions and is locked in a state in which end portions are wound up to the bead cores. The carcass layer is constituted by a first ply, a second ply and a third ply which are laminated one by one from an inner side to an outer side in a tire radial direction in a tire equator. The first ply and the third ply are wound up to the bead cores. The second ply terminates in a state in which the second ply is interposed between the first ply and the third ply, without reaching the bead cores. | 04-16-2015 |
20150144246 | Pneumatic Tire - A pneumatic tire is configured in such a manner that at least two carcass layers each have both end portions in the tire width direction extending to bead cores disposed in both bead portions, and the both end portions are wound up from the inner side in the tire width direction of the bead cores to the outer side in the tire width direction, and extend outward in the tire radial direction. In such a pneumatic tire, the carcass layers are formed by thermoplastic sheets, and a rubber layer is disposed at least between adjacent sheets of the thermoplastic sheets. | 05-28-2015 |
20150336344 | METHOD FOR CONTROLLING THE DISCHARGE OF FLUIDS DURING A PROCESS FOR VULCANIZATION AND MOLDING OF A GREEN TIRE AND TIRE FOR VEHICLE WHEELS - A method for controlling the discharge of fluids during a process for vulcanization and moulding of a green tire includes the steps of: building at least one portion of a radially internal surface of a green tire by winding of a continuous elongated element of elastomeric material into a plurality of coils confining circumferential grooves along the rolling direction of the tire; disposing the circumferential grooves into fluid communication with discharge channels present in the radially external surface of a pressing bladder disposed in a radially internal cavity bounded by the green tire. | 11-26-2015 |
20160176240 | REDUCED WEIGHT AIRCRAFT TIRE | 06-23-2016 |
152553000 | Folded from outside to inside of bead core | 5 |
20110017379 | Carcass Reinforcement for Airplane Tire - An airplane tire in which the carcass reinforcement comprises at least one inner layer ( | 01-27-2011 |
20130061998 | TIRE WITH OUTSIDE-IN, TURN-UP PLY CONSTRUCTION - This invention relates to pneumatic rubber tires having a carcass ply extending to and turning around a tire bead with an outside-in, turn-up configuration. | 03-14-2013 |
20130105056 | TIRE HAVING MODULAR PLY CONSTRUCTION AND METHOD OF MAKING SAME | 05-02-2013 |
20130240109 | PNEUMATIC TIRE - A pneumatic tire comprising: first carcass ply that is comprised of; a tire-inner-face part extending along inner face of the tire to span between the tire bead portions; and turned-up parts extended as turned up from outer faces of the tire bead portions up to inside beyond fringes of a belt layer; and second carcass ply that is substantially omitted at between the tire bead portions and extends as being turned up from outer faces of the tire bead portions up to inside beyond fringes of a belt layer; and cords forming the tire-inner-face part, the turned-up part and the second carcass ply having inclination to radial direction of the tire; and direction of the inclination of the cords being alternated in respect of leftward or rightwards, between two adjacent ones of the tire-inner-face part, the turned-up part and the second carcass ply. | 09-19-2013 |
20150107747 | Carcass Reinforcement For An Aircraft Tire - Aircraft tire comprises carcass reinforcement ( | 04-23-2015 |
152554000 | Characterized by the extent of the fold up into the sidewall of the tire relative to the other tire dimensions | 7 |
20090126849 | Tire for a heavy vehicle - A tire for a heavy vehicle, comprising a radial carcass reinforcement surmounted radially by a working crown reinforcement, the carcass reinforcement comprising at least one ply of reinforcing members which is anchored in each of the beads by being wrapped around a bead wire in order to form a ply turn-up. The radially outer end of the ply turn-up is at a distance from the radially outer part of the bead wire of less than 40% of the height of the sidewall, said tire includes at least one complementary ply of radially oriented reinforcing members having compressive and tensile moduli at least 1.5 times lower than those of the carcass reinforcement ply, and said complementary ply is axially adjacent to the ply turn-up of the carcass ply over a distance greater than 15% of the height of the sidewall. | 05-21-2009 |
20100147437 | PNEUMATIC TIRE - A pneumatic tire includes: a pair of bead portions including a bead core and a bead filler; a carcass layer having a single-layered structure and extending between the bead portions; and a plurality of belt layers disposed at outer circumference of the carcass layer, wherein the carcass layer is folded around the bead core to enfold the bead filler and to have a folded portion that extends to a position beneath a side edge portion of one of the belt layers, and wherein the pneumatic tire further includes a rubber reinforcing layer made of rubber having JIS hardness in a range from 70 to 100 and having average thickness in a range from 0.5 mm to 3.0 mm, the rubber reinforcing layer being disposed on the folded portion at a side wall portion to extend across a maximum width position Pm of the carcass layer. | 06-17-2010 |
20110011509 | Lightweight Tire Comprising a Crown Layer Radially on the Inside of the Carcass Structure - A tire comprising at least one carcass-type reinforcing structure and comprising a crown reinforcing structure having at least one working layer. At least one working layer is radially on the inside of at least one carcass layer, in the sidewalls, the tire comprises at least two carcass reinforcing layer portions extending over a radial distance at least equal to 50% of the radial distance between an end of a shoulder and the radially inner end of the radially innermost circumferential reinforcing element, at least in the equatorial plane, the reinforcing elements of the carcass reinforcement make an angle less than 80°, and the reinforcing elements of the working layer cross with the reinforcing elements of the carcass-type reinforcing structure by an angle greater than 40°, when the tire comprises at least two working layers radially on the inside of at least one carcass layer, the reinforcing elements of the at least two working layers being crossed by an angle of at most 5° and when the tire comprises at least one working layer radially on the outside of the carcass-type reinforcing structure, the reinforcing elements of the at least one working layer crossing with the reinforcing elements of at least one working layer radially on the inside of at least one carcass layer by an angle of at least 30°. | 01-20-2011 |
20110114240 | PNEUMATIC TIRE - A pneumatic radial tire having a circumferentially extending equatorial plane of the tire, the tire comprising a carcass, a tread radially outward of the carcass, the carcass comprising at least one carcass reinforcing ply, opposing bead portions, and opposing sidewalls, the carcass reinforcing ply having a main portion extending between the opposing bead portions and a pair of turnup portions, each turnup portion extending from one end of the main portion, each bead portion having a bead core, and a reinforcement cavity outward of each bead core, the cavity located between the main portion and one turnup portion of the at least one reinforcing ply, the tire characterized by:
| 05-19-2011 |
20160046155 | Pneumatic Tire - The present technology provides a pneumatic tire having a half-radial structure in which carcass cords are biased with respect to the radial direction of the tire and have an angle of 55 to 85° with respect to the circumferential direction of the tire as measured at a central position along the widthwise direction of the tread, the tire being characterized in that the carcass cords have an elastic modulus of 3 to 10 GPa and a twist coefficient α of 1,500 to 2,500, and a difference in intermediate elongation at 2.0 cN/dtex in the carcass cords between a central section and side sections of the tire is not more than 1.0%; the twist coefficient α being N×√T; N being the number of twists per 10 cm of length in fiber cords; and T being the fineness (dtex) of the fiber cords. | 02-18-2016 |
20160167437 | PNEUMATIC TIRE | 06-16-2016 |
20190143760 | HEAVY-DUTY PNEUMATIC TIRE | 05-16-2019 |