Class / Patent application number | Description | Number of patent applications / Date published |
152454000 | Tire characterized by the dimension or profile of the cross sectional shape | 58 |
20080223497 | Tire Inner Tube - The present invention is an inner tube apparatus, and article of manufacture, that comprises an inflatable compartment capable of surrounding a wheel. The tube comprises a first and second end that allows the user to replace the inner tube without removing the wheel, or other elements of the vehicle, for repair. | 09-18-2008 |
20080251179 | PNEUMATIC TIRE - A pneumatic tire comprising a shoulder land portion and a narrow groove, the narrow groove comprises a first enlarged portion enlarging a groove width at a groove bottom only on the sacrificed portion side, a second enlarged portion being formed adjacently on the tread face side of the first enlarged portion and enlarging a groove width only on the sacrificed portion side, a projection portion being formed between the first enlarged portion and the second enlarged portion while projecting toward the main body land portion from an inner wall on the sacrificed land portion side, and a flat face portion having a depth, from the tread face, of 30% or more of a groove depth of the narrow groove, and having an inner wall on the sacrificed land portion side and an inner wall on the main body land portion side. | 10-16-2008 |
20090038726 | Assembly of Pneumatic Tire and Rim - [Problem] To reduce road noise in running by disposing a noise damper made of a spongy material in a cavity of a tire. | 02-12-2009 |
20090101262 | Wheel and tire assembly with non-matching seat diameters whereof the tire comprises sidewalls wider than the rim - Assembly comprising a vehicle wheel, with symmetry of revolution, comprising a disc and a rim, the said rim comprising a first and a second seat which seats are intended to receive and to hold a first and a second bead of the tire, each seat having a substantially frustoconical bottom locally coinciding with a cone of revolution coaxial with the rim and open towards the other seat, the said rim defining, at the level of an axial straight line passing through the farthermost points of the outer portions, a width Lj and, on the other hand, a tire for a vehicle wheel, comprising two sidewalls spaced axially apart and defining, at the level of an axial straight line passing through the farthermost points, a width Lf, in which when the said tire is mounted on the said rim and inflated close to its nominal working pressure and when the said tire is substantially unflattened, the said width Lf is greater than the said width Lj. | 04-23-2009 |
20090101263 | Pneumatic Tire - A pneumatic tire with excellent run-flat performance that can improve durability of a tire and promote low fuel comsuption is provided. The pneumatic tire has a reinforcing rubber layer with a nearly crescent cross section at the inner side of a carcass layer of a side wall, wherein the reinforcing rubber layer comprises a rubber composition which comprises 100 parts by weight of a diene rubber component containing from 15 to 50 parts by weight of a butadiene rubber or a styrene-butadiene rubber, its molecular end being modified with a modifier, polymerized using an organic lithium catalyst, and from 40 to 80 parts by weight of carbon black having a nitrogen adsorption specific surface area (N | 04-23-2009 |
20090183813 | PNEUMATIC TIRE - A pneumatic tire according to the present invention includes a carcass layer configured with a main body and turnbacks and meets following conditions.
| 07-23-2009 |
20090277552 | PNEUMATIC TIRE - In a pneumatic tire, 48%≦HB/HA≦52%, 98%≦HC/HA≦100%, 108%≦WB/WA≦115%, and 55%≦WC/WA≦75% are satisfied, where, when a line from a position A of rim height FH in tire width direction is X-axis and a line in tire radial direction via center crown CL is Y-axis, WA is distance of a half of tire base width, WB is distance from the Y-axis to a maximum width position P of a carcass layer, WC is distance from the Y-axis to an inflection point Q of the carcass layer, HA is distance from the X-axis to a peak R of the carcass layer on the center crown CL, HB is distance from the X-axis to the maximum width position P, and HC is distance from the X-axis to the inflection point Q. | 11-12-2009 |
20100043935 | PNEUMATIC TIRE - In the present invention, a vehicle inner side bead filler sheet | 02-25-2010 |
20100122761 | Heavy Load Pneumatic Tire - A belt layer of the heavy load pneumatic tire includes a first reinforcement belt, a first function belt, a second reinforcement belt, and a second function belt, and when defining, as viewed in the width direction of the tire, the length from the outer end of the first reinforcement belt to a tire equator as “W | 05-20-2010 |
20100154958 | TRUCK TIRE - A pneumatic tire for use on trucks, the tire comprising: a tread which includes a belt reinforcement structure, the belt structure including a pair of working belts, wherein the angle of the working belts range from about 16 degrees to about 30 degrees, wherein a low angle belt is positioned preferably between of the working belts, wherein the angle of the low angle belt is less than 5 degrees. The working belts are extensible, and preferably made of high elongation wire. | 06-24-2010 |
20100212799 | TIRE FOR MOTORCYCLE - [Problem] It is an object to provide a tire for a motorcycle which realizes a low fuel consumption and is also excellent in a grip performance. | 08-26-2010 |
20100252161 | PNEUMATIC RADIAL TIRE - A pneumatic radial tire includes a pair of annular bead portions | 10-07-2010 |
20100269968 | PNEUMATIC TIRE - A pneumatic tire comprising a tread portion | 10-28-2010 |
20100276050 | Heavy Load Vehicle Tire - A tire includes: a carcass structure including at least one carcass ply, a belt structure, a tread band radially superimposed on the belt structure; two sidewalls; the belt structure including: at least one pair of lateral reinforcing layers incorporating reinforcing elements oriented in a substantially circumferential direction; a first belt layer radially superimposed on the pair of lateral reinforcing layers, provided with reinforcing elements inclined with respect to the equatorial plane of the tire; a second belt layer radially superimposed on the first belt layer, provided with reinforcing elements inclined with respect to the equatorial plane in a direction opposite to those of the first belt layer; an external belt layer applied in a radially external position with respect to the first and the second belt layers. Preferably, the tire is a super single wide base heavy load vehicle tire. The tire is particularly useful for heavy load vehicles such as, for example, trucks, trailers, or buses. | 11-04-2010 |
20100282389 | Heavy Goods Vehicle Tire - A tire with a radial carcass reinforcement comprising a crown reinforcement formed from at least two working crown layers of inextensible reinforcing elements and from at least one layer of circumferential reinforcing elements positioned radially between two working crown layers, the working crown layers adjacent to the layer of circumferential reinforcing elements being on each side of the equatorial plane and in the axial continuation of the layer of circumferential reinforcing elements coupled over an axial width, in order thereafter to be decoupled. A layer of polymer blend having a thickness greater than 1.5 mm over an axial width greater than 0.1×d is positioned axially between the axially exterior end of the layer of circumferential reinforcing elements and the axially interior end of the coupling zone of the working crown layers. | 11-11-2010 |
20100282390 | MOTORCYCLE TYRE - A tyre for motorcycles includes a tread band in which a tread pattern is formed which includes a series of transverse grooves disposed at least laterally of the equatorial plane. The tread pattern on the whole defines a low sea/land ratio on the tread band. The series of transverse grooves includes a plurality of main recesses having an overall length at least equal to one fourth of a lateral extension of the tread band. The main recesses define with the equatorial plane, an angle less than or equal to 65°, substantially over the entire length thereof. | 11-11-2010 |
20100282391 | PNEUMATIC TIRE - Since a protecting layer | 11-11-2010 |
20100294410 | PNEUMATIC RADIAL TIRE - The present invention provides a pneumatic radial tire capable of effectively improving belt durability, while ensuring good resistance to wear at a tread surface. The pneumatic radial tire comprises: a carcass | 11-25-2010 |
20100326579 | STUDLESS TIRE - The present invention is intended to provide a studless tire capable of enhancing straight-running stability with a low tread rigidity. | 12-30-2010 |
20110024014 | PNEUMATIC RADIAL TIRE - A pneumatic radial tire having a structure where the lapel edge of the carcass is tucked under a belt layer and exhibiting high durability and steering stability can be easily produced using a carcass material of an existing size without preparing an ultra-wide carcass material. Two layers of carcasses (A, B) are extended from a tread portion ( | 02-03-2011 |
20110247740 | PNEUMATIC TIRE, TIRE MOLD AND MANUFACTURING METHOD OF PNEUMATIC TIRE - A pneumatic tire has a rough surface portion which is provided on an outer surface of a side wall portion. In the rough surface portion, a maximum height Rz is equal to or more than 4 μm and a skewness Rsk satisfies Rsk>0. | 10-13-2011 |
20120073718 | RUN FLAT TIRE - A run flat tire in which the maximum tire width position when the tire is in an inflated state, the inclination angle formed by the line S′ tangent to the tire outer wall in the tire shoulder region, the curving form of the tread surface, the relationship between the thickness Ga of the outer side rubber taken on a line X normal to the rim line and centered on the carcass layer | 03-29-2012 |
20120160387 | PNEUMATIC TIRE AND METHOD OF MANUFACTURING PNEUMATIC TIRE - A pneumatic tire including a cylindrical annular structure, a rubber layer that will become a tread portion provided along a circumferential direction of the annular structure, on an outer side of the annular structure, and a carcass portion including fibers covered by rubber, provided on both sides in a direction parallel to a center axis (Y-axis) of a cylindrical structure including the annular structure and the rubber layer. In a meridian cross-sectional view of the structure, an outer side of the rubber layer and the outer side of the annular structure have the same form. | 06-28-2012 |
20120222790 | PNEUMATIC TIRE WITH TWO CARCASS PLIES - Various embodiments of a pneumatic tire include a tread portion, a first bead portion and a second bead portion which are axially spaced, a first sidewall portion and a second sidewall portion and a first and second carcass ply. The first carcass ply includes a main portion which extends circumferentially about the tire from the first bead portion to the second bead portion, a first turned-up portion around the first bead portion and a second turned-up portion around the second bead portion such that the first and second turned-up portions each have an end which terminates along the tread portion. The second carcass ply extends circumferentially about the tire along the first sidewall and along the second sidewall. The second carcass ply has a first end and a second end which terminates in the lower portion of the tire. | 09-06-2012 |
20130025759 | TIRE PAIR FOR MOTORCYCLE - A tire pair | 01-31-2013 |
20130213545 | PNEUMATIC TIRE - A pneumatic tire having a tread portion, a pair of sidewall portions, a pair of bead portions each with a bead core therein, wherein in a tire meridian section including a tire axis under a standard state that the tire is mounted on a standard rim and inflated to a standard pressure but loaded with no tire load, the tread portion has a tread width TW (mm) being from 80 to 90% of a nominal tire width YW, a profile from a shoulder region of the tread portion to the sidewall portion includes a shoulder profile for defining the shoulder portion, a sidewall profile for defining at least a part of the sidewall portion, and a buttress profile smoothly connecting between the shoulder profile and the sidewall profile. | 08-22-2013 |
20140138002 | PNEUMATIC TIRE - Provided is a pneumatic tire having at least one carcass layer as a skeleton extending in toroidal shape over a pair of bead portions, at least one belt layer and a tread disposed on an outer side in the radial direction of a crown portion of the carcass. In a tire section in the widthwise direction in state where the tire is assembled to an application rim, ratio BD/BW of radius difference BD between radius at a center portion and radius at an end portion in the widthwise direction of an innermost layer of the belt layer, to width BW of the innermost layer, ranges from 0.01 to 0.04, and ratio TD/TW of radius difference TD between radius at a center portion and radius at an end portion of the tread in the widthwise direction of a tread ground surface, to tread ground-contact width TW, satisfies BD/BW | | 05-22-2014 |
20140138003 | PNEUMATIC RADIAL TIRE FOR PASSENGER VEHICLE, METHOD FOR USING THE TIRE, AND TIRE-RIM ASSEMBLY INCLUDING THE TIRE - The present invention provides: a pneumatic radial tire for a passenger car, the tire having cross sectional width SW and outer diameter OD satisfying a predetermined relationship formula when the tire is assembled with a rim and inflated at internal pressure of at least 250 kPa; a tire-rim assembly formed by assembling bead portions of said tire with the rim; and a method for using a tire, including preparing a pneumatic radial tire for a passenger car in which cross sectional width SW and outer diameter OD of the tire satisfy a predetermined relationship formula, and using the tire at internal pressure of at least 250 kPa. | 05-22-2014 |
20140158268 | TIRE FOR SURFACE VEHICLE - A wheel assembly for a surface vehicle is presented. The wheel assembly comprises a tire comprising an envelope structure which by its inner surface encloses a cavity. The envelope structure comprises an outer, surface-engaging side having a circumferential surface, and opposite side walls which are integral with and extend from the surface-engaging side. The sides walls by their free ends define an inner, rim-engagement side of the tire by which the tire is connectable to a wheel hub. Each of the opposite side walls comprises a surface pattern defining a suspension assembly within the side wall to thereby prevent stretching of the tire envelope towards its maximal volume when the envelope is compressed with gas, while allowing deformation of the tire envelope when loaded or depressurized such that the surface engaging side of the tire maintains a substantially constant contact with the surface. | 06-12-2014 |
20140209228 | PNEUMATIC RADIAL TIRE FOR A PASSENGER VEHICLE AND METHOD OF USING THE SAME - A pneumatic radial tire for a passenger vehicle according to the present invention has an appropriate relationship between a tire cross-sectional width SW and a tire outer diameter OD. Also, a method of using the pneumatic radial tire for a passenger vehicle according to the present invention is to use the above radial tire with at least specified internal pressure. | 07-31-2014 |
20140238569 | LIGHTWEIGHT TIRE - Tire with a maximum axial width SW and axial width RW at the beads, comprising a crown reinforcement of width TW and a radial carcass reinforcement, in which tire, when it is fitted onto its mounting rim and inflated to its service pressure and equilibrium, the following conditions are satisfied: TW/SW≦75%, TW/RW≦85% and X/SH≦50%, where X is the radial height at which the tire has its maximum axial width and SH denotes the radial height of the tire; Y/SH≧80%, where Y is the radial height of the carcass reinforcement at the end of the crown reinforcement; and Z/SH≧90%, where Z denotes the radial height of the carcass reinforcement, and in which the absolute value of the angle α between the tangent to the carcass reinforcement at the points of the carcass reinforcement having the same axial positions as the axial ends of the crown reinforcement and the axial direction is less than or equal to 22°. | 08-28-2014 |
20140290818 | PNEUMATIC TIRE - When a pneumatic tire is in a reference state of being fitted with a rim that is one inch larger than a regular rim in width, of holding 15 kPa internal pressure, and of being under no load, then a tread thickness distribution curve represented by f(y)=1−t(y)/t(0) is 0.01 to 0.03 when y=0.3; 0.03 to 0.06 when y=0.4; and 0.06 to 0.10 when y=0.5, where y denotes a ratio of a distance in an axial direction from an equator surface relative to a distance L in the axial direction between the equator surface and a maximum width position of a carcass, and t(y) denotes a tread thickness corresponding to a distance in a radial direction between an outer surface of the carcass and an outer surface of a tread at an axial direction position corresponding to y. | 10-02-2014 |
20140290819 | PNEUMATIC RADIAL TIRE FOR PASSENGER VEHICLE - An object of the present invention is to adequately control relationship between a cross sectional width SW and an outer diameter OD of a pneumatic radial tire for a passenger vehicle. The tire is further characterized in that, provided that each half portion in the tire width direction of a ground contact surface of the tire is divided in the tire width direction into three equal portions including a tire-width-direction center portion, a tire-width-direction intermediate portion and a tire-width-direction outer portion from the tire-width-direction center side, rigidity in the tire circumferential direction of the belt reinforcing layer in a region in the tire width direction thereof corresponding to the tire-width-direction outer side portion is lower than rigidity in the tire circumferential direction of the belt reinforcing layer in a region in the tire width direction thereof corresponding to the tire-width-direction center portion. | 10-02-2014 |
20140290820 | PNEUMATIC RADIAL TIRE FOR PASSENGER VEHICLE AND METHOD FOR USING THE SAME - An object of the present invention is to adequately control relationship between a cross sectional width SW and an outer diameter OD of a pneumatic radial tire for a passenger vehicle. Specifically, a ground contact surface | 10-02-2014 |
20140299247 | PNEUMATIC RADIAL TIRE FOR PASSENGER VEHICLE - The present invention provides a pneumatic radial tire for a passenger vehicle, having: a cross sectional width SW and an outer diameter OD controlled under an appropriate SW-OD relationship; and an optimized configuration of a crown portion thereof. | 10-09-2014 |
20140305566 | Pneumatic Tire - A pneumatic tire includes the belt layer that is formed by laminating the circumferential reinforcing layer and the pair of cross belts. Also, the tire external diameter R at the point of intersection O of the tire equatorial plane CL and the tread profile, the distance D | 10-16-2014 |
20140345770 | PNEUMATIC TIRE - An angle of elevation (a) of an intersection point (A), formed between a line (q) connecting intersection points (A, B) and a reference line (n) traversing a center of curvature (C) of an arc and parallel to the tire rotation axis, is from 40° to 60°, where a curve tracing the innermost region in the tire radial direction is approximated by the arc with the method of least squares, the intersection point (A) is an intersection point of the ply main body ( | 11-27-2014 |
20150013867 | TIRE CONSTRUCTION WITH FLATTENED SUMMIT AND CIRCUMFERENTIAL REINFORCEMENT - A tire constructed with a plurality of reinforcement belts is provided. At least one of the reinforcement belts extends along the axial width of the tire summit and is constructed according to an equilibrium curve that is flat throughout the summit. The reinforcement belts include cable reinforcements that are substantially parallel to the equatorial plane. Substantial reductions in the tension experienced by the cables can be achieved to provide, as a result, improvements in e.g., tread wear. | 01-15-2015 |
20150013868 | TIRE - A circumferential recess is formed on the outer surface of a tire side section, the circumferential recess being depressed inward in a tread width direction and extending in a tire circumferential direction. In a cross section along the tread width direction of the tire and the tire radial direction, a rim-side outer surface formed in an area from a rim separation point, which is the outermost point in the tire radial direction that is in contact with a rim flange, to an inner end of the circumferential recess in the tire radial direction, is formed along a first arc curve having a center of a curvature radius on the inside in the tread width direction. In the cross section, a sidewall surface formed in an area from the inner end of the circumferential recess in the tire radial direction to a bottom surface of the circumferential recess is formed along a second arc curve having a center of a curvature radius on the outside in the tread width direction. | 01-15-2015 |
20150122392 | PNEUMATIC TIRE - A pneumatic tire with improved noise performance while preserving the steering stability and rolling resistance includes, on radially outer side of the crown portion of a carcass, an inclined belt consisting of inclined belt layer(s) having cords inclined at an angle of 35° to 90° relative to the tire circumferential direction, a circumferential belt consisting of circumferential belt layer(s) having cords extending along the circumferential direction, and a tread on radially outer side of the circumferential belt. The circumferential belt includes a high rigidity region across the tire equator wherein the circumferential rigidity per unit width is higher at any location thereof than at any location in the remaining regions. The circumferential rigidity per unit width in the remaining regions is constant in the tire width direction or increases toward the high rigidity region. | 05-07-2015 |
20150336424 | REINFORCED LIGHTWEIGHT TIRE - Tire with a maximum axial width SW and axial width RW at the beads, comprising a crown reinforcement of width TW and a radial carcass reinforcement, in which Tire, when it is fitted onto its mounting rim and inflated to its service pressure and equilibrium, the following conditions are satisfied: TW/SW≦75%, TW/RW≦85% and X/SH≦50%, where X is the radial height at which the Tire has its maximum axial width and SH denotes the radial height of the Tire; Y/SH≧80%, where Y is the radial height of the carcass reinforcement at the end of the crown reinforcement; and Z/SH≧90%, where Z denotes the radial height of the carcass reinforcement, wherein the absolute value of the angle α between the tangent to the carcass reinforcement at the points on the carcass reinforcement having the same axial positions as the axial ends of the crown reinforcement and the axial direction is less than or equal to 22°, and wherein each of the sidewalls comprises at least two crossed reinforcing members. | 11-26-2015 |
20150360515 | PNEUMATIC TIRE - Provided is a pneumatic tire that enables suppressing at least one of the decrease in steering stability and the decrease in side cut resistance, and reducing cavity resonance sound, without increasing tire weight | 12-17-2015 |
20150375573 | PNEUMATIC SAFETY TIRE - Provided is a pneumatic safety tire in which the durability is improved by improving the compression fatigue property of a carcass ply cord. | 12-31-2015 |
20160009140 | HEAVY LOAD PNEUMATIC TIRE | 01-14-2016 |
20160016434 | MOTORCYCLE PNEUMATIC TIRE - A motorcycle pneumatic tire includes a belt, in a tire tread, including a circumferential belt layer formed by cords extending in the tread circumferential direction and covered by rubber and a width direction belt layer, provided outward in the tire radial direction from the circumferential belt layer, formed by cords extending in the tire width direction and covered by rubber; sections of cushion rubber, provided outward in the tire radial direction from the belt, separated in the tire width direction with the tire equatorial plane therebetween; and base rubber, provided in the area of separation between the sections of cushion rubber or outward in the tire radial direction from the area of separation, having a higher elastic modulus than the cushion rubber. Wn>Wb, where Wn is the length of the area of separation and Wb is the length of the base rubber in a tire width direction cross-section. | 01-21-2016 |
20160031266 | PNEUMATIC TIRE - The present invention provides a pneumatic tire including a tread portion, a cap ply, a carcass, an apex, a bead, a side portion, and a belt and having asymmetrical structure with respect to a central line C in a width direction. Moreover, the pneumatic tire includes the technical feature that outer diameters of a left side and a right side are equal, while rim diameters of the left side and the right side are different, and thicknesses of the left side portion and the right side portion are different. | 02-04-2016 |
20160052342 | PNEUMATIC TIRE - A pneumatic tire includes a tread having an outer surface forming a tread surface, and a belt positioned on radially inner side of the tread. In cross section perpendicular to circumferential direction, the tread surface has a profile ranging from equatorial plane to tread edge and including arcs protruding in radially outward direction, the arcs include arc Ci having radius Ri, arc C | 02-25-2016 |
20160068018 | Pneumatic Tire - A pneumatic tire ( | 03-10-2016 |
20160082775 | PNEUMATIC TIRE | 03-24-2016 |
20160096401 | PNEUMATIC VEHICLE TIRE - A beltless pneumatic vehicle tire has a ratio of cross-sectional width to cross-sectional height of 1 or 0.85 determined in accordance with E.T.R.T.O standards and includes: a carcass of diagonal configuration including carcass inserts arranged one atop the other. Each carcass insert includes mutually parallel running reinforcement elements made of textile material and a rubber matrix wherein the reinforcement elements are embedded. The tire defines a tire zenith and a peripheral direction. The reinforcement elements of each two mutually adjacent ones of the carcass inserts are disposed relative to one another in a cross-bracing arrangement and run at respective equal acute angles (α, β) to the peripheral direction at the tire zenith. For a beltless pneumatic vehicle tire wherein the ratio is 1, the angle is between 28° and 34° and wherein the ratio is 0.85, the angle is between 26° and 32°. | 04-07-2016 |
20160107486 | TYRE FOR A MOTOR VEHICLE AND METHOD FOR CONTROLLING A MOTOR VEHICLE DURING A MANOEUVRE TO CHANGE DIRECTION AND/OR SPEED - A method for controlling a motor vehicle including equipping the motor vehicle with front and rear tires having a transverse curvature ratio of at least 0.2 and a total height to chord ratio of at least 0.5, where at least one of the tires has an inflation pressure of between 50% and 90% of a low load reference value for normal driving and has a tread and a radial carcass with textile cords, which give the whole of the carcass a controlled elastic response allowing the motor vehicle to be controlled when there are sudden changes in speed and/or direction. | 04-21-2016 |
20160137009 | Pneumatic Tire - When a tire that is mounted on a specified rim, inflated to an internal pressure of 50 kPa, and placed in a no-load state is viewed as a cross-section from the tire meridian direction, a position of 1.30×Hf on an outer surface of a sidewall portion, taking a rim flange height (Hf) of the specified rim as a reference, is defined as a point (P), a foot of a normal line (L) drawn from the point (P) to a carcass line of a main body portion ( | 05-19-2016 |
20160152076 | PNEUMATIC TIRE | 06-02-2016 |
20160159148 | TIRE - The end of the folded-back ply in the tread width direction of the tire ( | 06-09-2016 |
20160159149 | RUN-FLAT TIRE - A run-flat tire ( | 06-09-2016 |
20160193874 | PNEUMATIC TIRE | 07-07-2016 |
20160200142 | PNEUMATIC TIRE | 07-14-2016 |
20190143752 | HEAVY-DUTY PNEUMATIC TIRE | 05-16-2019 |