Abstract: The present invention includes a run-flat tire 1 comprising a plurality of turbulence generation ridges 20 which extend on a surface of a tire side portion 3 in a tire-radial direction and which are arranged at a pitch in a tire-circumferential direction and relationship Si>So is satisfied. Si is the sum of sidewall areas of all the turbulence generation ridges located at the inner side, in the tire-radial direction, of a maximum width position of the pneumatic tire. So is the sum of sidewall areas of all the turbulence generation ridges located at the outer side, in the tire-radial direction, of the tire maximum width position.

Abstract: A method of mounting an object on a tire includes providing a tire having a sidewall, wherein the sidewall includes a mounting portion configured to receive an object. The method further includes mounting the object on the mounting portion of the sidewall, such that the object is visible without extending outwardly beyond the mounting portion.

Abstract: A pneumatic tire, comprising: a carcass provided in a toroidal shape across a pair of bead cores; a bead filler provided on the outer side in the tire radial direction of each bead core; and a rim guard to protrude on the outer side in the tire width direction for rim protection, wherein a contour of a portion of the rim guard has radius of curvature in the range of 5 mm to 40 mm in a widthwise cross section of the tire, and provided that “1CSH” represents a distance in the tire radial direction between the innermost end and the outermost end of the carcass, a distance in the tire radial direction between the outermost end in the tire width direction of the rim guard and the outermost end in the tire radial direction of a bead filler is in the range of ?0.2CSH to 0.05CSH.

Abstract: A pneumatic tire has a side wall having a side surface and dimples formed on the side surface. The side surface has the tire maximum width point, the dimples are aligned along circumferential rows in concentric form with respect to the tire axis such that the dimples form lateral ribs and longitudinal ribs, the lateral ribs each have radially outer side surface and radially inner side surface and include first and second ribs, the first rib is formed such that the height from the dimple bottom at the inner side surface and the height from the dimple bottom at the outer side surface are equal, the second rib is formed such that the height from the dimple bottom at the inner side surface is greater than the height from the dimple bottom at the outer side surface, and the second rib is positioned radially inward from the maximum width point.

Abstract: A pneumatic tire has a tread rubber formed by a nonconductive rubber and a side wall rubber formed by the nonconductive rubber. An outer surface of the side wall rubber is provided with a band-like diametrical conductive portion which is formed by a conductive rubber and extends along a tire diametrical direction. An outer end of the diametrical conductive portion is exposed to a ground-contacting surface or is connected to a conductive rubber member which is exposed to the ground-contacting surface. An inner end of the diametrical conductive portion is exposed to a rim contact region or is connected to a rim strip rubber formed by the conductive rubber. A narrow groove is formed by depressing an outer surface of the diametrical conductive portion and extends in a tire diametrical direction in a side wall portion.

Abstract: A pneumatic tire comprises a sidewall portion provided in the outer surface with a serrated area defined by radially-extending circumferentially-arranged ridges. The serrated area has circumferentially-arranged groups each including: at least one first ridge being straight over the entire length; and a plurality of second ridges, circumferentially arranged side-by-side, and each provided with an irregular part and otherwise being straight. In each of the ridge groups, the irregular parts of the second ridges are gradually radially shifted so that the irregular parts are arranged along a line inclined with respect to a tire radial direction, and by the irregular parts, an oblique pattern is formed in the ridge group.

Abstract: [Object] To provide a pneumatic tire 2 which is excellent in durability. [Solution] The tire 2 has a marking on each sidewall 8 thereof. A large number of dimples 62 are formed in a region between the marking and a rim protector 34. These dimples 62 are arranged along a circumferential direction. These dimples 62 form a row. The row includes: (1) dimples each having a plane shape of a circle; or (2) dimples in each of which a plane shape is substantially a rectangle, and a ratio of a length in the circumferential direction to a width in a radial direction is equal to or greater than 1.0 and equal to or less than 3.0.

Abstract: A circumferential recess is formed on the outer surface of a tire side section, the circumferential recess being recessed inward in a tread width direction and extending in a tire circumferential direction. A block protruding outward in the tread width direction is formed on the inside of the circumferential recess. In a cross section along the tread width direction of the tire and the tire radial direction, a rim outer surface is 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. At least a part of the block protrudes further to the outside in the tread width direction than a virtual line along which the rim outer surface extends.

Abstract: A tire formed from a resin material is provided having a high stress withstanding ability and capable of maintaining a high internal pressure. By configuring the side sections 14 with plural circular arc curve faced portions 32 having curvature in the circumferential direction formed successively along the circumferential direction the stress acting on the side sections 14 can be distributed at a radial direction stress and a circumferential direction stress. Accordingly, the radial direction stress can be reduced further than in a conventional profile not provided with any circular arc curve faced portions along the circumferential direction, enabling sufficient pressure withstanding ability (internal pressure) to be secured for a pneumatic tire for use on a vehicle even though a thermoplastic material with weaker stress than that of rubber is employed for the side sections 14.

Abstract: The side wall portion of the pneumatic tire has a pattern formed by linear portions extending without intersecting each other along a first direction A that is the tire radial direction or the tire circumferential direction with gaps in a second direction B that is the tire radial direction or the tire circumferential direction. The linear portions include inclined pattern portions that extend inclined with respect to direction A. Ends of the inclined pattern portions on a first side in direction B are aligned in direction A, and ends on a second side in direction B are aligned in direction A, and, between the inclined pattern portions provided on linear portions that are adjacent in direction B, the ends on a first side in direction A are aligned in direction B, and the ends on a second side in direction A are aligned in direction B.

Abstract: Article (1) having at least one visible surface (11), this surface comprising on at least part of it a pattern (2) contrasting with the surface of the article, this pattern (2) comprising a plurality of tufts (21) distributed over the entire said pattern, each tuft (21) having an average cross section between 0.003 and 0.06 mm2. Also disclosed is a moulding process for forming a high-contrast pattern on a surface of an article that can be moulded in a mould, this process consisting in producing, at the position of the pattern on the surface of the mould, a plurality of cavities of average cross section between 0.003 and 0.06 mm2.

Abstract: A pneumatic tire is disclosed having a label affixed to a plurality of whiskers extending from the outer sidewall of the tire. The whiskers may be T shaped. The label may be colored.

Abstract: A pneumatic tire comprising a plurality of protector ribs 9 disposed on outer surface 3a of at least one sidewall portion 3 at intervals in the circumferential direction, each protector rib 9 projecting axially outwardly, extending at an angle ? of 5 to 25° with respect to the radial direction, and including outer wall 10 extending from a radially outer edge 13 having a circumferential length L1 of 10 to 25 mm, to maximum projecting portion 14 at which thickness t1 of the rib 9 reaches a maximum, and in a meridian cross section of the tire in a normal loaded state, the outer wall 10 being parallel to flat surface M or extending from the outer edge 13 toward the maximum projecting portion 14 with inclination in a direction away from the flat surface M at an angle of at most 15° with respect to the flat surface M.

Abstract: 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.

Abstract: A pneumatic tire with a pair of sidewall portions, which comprises at least one of said sidewall portions with a radially outer region being radially outside than a tire maximum width position of its outer surface, the radially outer region being provided with a serration pattern, the serration pattern comprising a first serration group and a second serration group, the first serration group comprising a plurality of concentrically arranged first arc-shaped ridges at regular intervals around a first center point O1, the second serration group comprising a plurality of concentrically arranged second arc-shaped ridges at regular intervals around a second center point O2 that is located radially outside than the first center point O1 of the first serration group, and the first serration group and second serration group arranged in a circumferential direction of the tire so as to overlap partially.

Abstract: A tire/wheel structure includes a body, such as an automobile tire, and guide blocks mounted to two sidewalls of the body in a circumferentially arranged cascade series. Each guide block has a side facing a forward rotation direction of the body and forming at least one inclined guide face in such a way that the inclined guide face and an adjacent one of the guide blocks define therebetween a wind-assisting groove, whereby when the body is in a forward rotating condition, the inclined guide faces of the guide blocks and the wind-assisting grooves help enhance airflow guiding, reduce wind resistance, and generating an assistive driving force and when the inclined guide faces of the guide blocks and the wind-assisting grooves are moved to a position in a lower half of the circumference of the body, a follow-the-trend driving assisting force and a moving stabilizing effect are achieved.

Abstract: A method for manufacturing a tire having a sidewall portion provided with a projecting marking is disclosed. A stencil plate for molding the projecting marking is made of a thin metallic plate whose thickness is 0.2 to 0.8 mm and mounted in a recess formed in a sidewall molding surface of the tire vulcanization mold. A concave marking part for molding the projecting marking is formed by press working upon the metallic plate. Edge portions of the stencil plate are turned back. The backward extension H2 of the turnback is substantially the same as the depth of the concave marking part.

Abstract: The invention relates to a tyre (10) for a road vehicle, which has a predetermined direction of rotation and comprises fins (16) for modifying the drag and/or lift of the vehicle, arranged on a sidewall (12) of the tyre, forming an angle (?) in a projection plane perpendicular to the axis of the tyre, (?) belonging to the domain [?3?/8, ??/12] or [0, +3?/8]. Each fin (16) extends within a range ]Dm, DM[ of distances from the axis (X) of the tyre, the height of the fin varying continuously as a function of the distance from the axis of revolution (X) of the tyre, while every point of maximum height of the fin is at a distance from the axis (X) of the tyre which is less than or equal to Dm+0.40(DM?Dm).

Abstract: [Object] To provide a pneumatic tire 2 for which processing of a mold is easy and which is excellent in durability. [Solution] A tire 2 has a large number of dimples 62 on sidewalls 8 thereof. These dimples 62 are divided into dimples 62 of a first row I and dimples 62 of a second row II. The number of the dimples 62 per one row is 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 48, 5060, 72, 75, 80, 90, 100, 120, 144, 150, 160, 180, 200, 225, 240, 300, 360, 375, 400, 450, 480, 500, 600, or 720. Preferably, the number of the dimples 62 of the second row II is equal to the number of the dimples 62 of the first row I.

Abstract: [Object] To provide a pneumatic tire which is excellent in durability. [Solution] A tire has a large number of dimples 62 on sidewalls thereof. The contour of each dimple 62 is composed of a first circular arc 66, a second circular arc 68, a first connection line 70, and a second connection line 72. The curvature radius R2 of the second circular arc 68 is larger than the curvature radius R1 of the first circular arc 66. The first connection line 70 is a straight line. The first connection line 70 connects one end 78 of the first circular arc 66 to one end 80 of the second circular arc 68. The second connection line 72 is a straight line. The second connection line 72 connects the other end 74 of the first circular arc 66 to the other end 76 of the second circular arc 68.

Abstract: Provided is a pneumatic tire in which a display part of the tire is made less susceptible to dirt and damages and is also improved in appearance. The tire of the present invention includes, on a tire side portion (4), a display part (5) having at least one of an emblem and a decorative band, the emblem and the decorative band being formed by means of any one of printing, painting, a sticker, and exposure of a color rubber, in which the tire side portion (4) has, in a region adjacent to the display part (5), a projection (6) protruding from the surface of the display part (5) and extending along the display part (5).

Abstract: The invention relates to a tire made of rubbery material comprising a sidewall on which there is formed at least one pattern that contrasts with this sidewall. The pattern comprises a plurality of strands distributed through the pattern with a density of at least five strands per square millimetre (mm2), each strand having a mean cross section of between 0.003 mm2 and 0.06 mm2. The tire also comprises on the said sidewall at least two ribs that pass through the pattern and between which strands of the pattern are present, the said ribs being distant from one another by at most 10 mm, each rib having a height of at least 0.25 mm and a mean width of at least 0.20 mm, the said pattern following the relief formed by the ribs.

Abstract: A pneumatic tire includes a tread portion extending in a tire circumferential direction and a pair of sidewall sections disposed on both sides of the tread portion in a tire width direction. At least one sidewall section includes a surface pattern region having a plurality of minute regions arranged along the circumferential direction and a tire radial direction. The minute regions are visually distinguishable from surrounding regions due to light reflection characteristics or surface unevenness. Width dimensions along the circumferential direction of adjacent minute regions juxtaposed with each along the circumferential direction vary among at least three different widths. The width dimensions of adjacent minute sections vary continuously or in steps along the circumferential direction. The adjacent minute regions are juxtaposed next to each other at at least three different interval sizes, and are arranged along the circumferential direction at prescribed intervals whose sizes vary continuously or in steps.

Abstract: A pneumatic tire (1) comprises a tread (50), side walls (60), and buttress portions (70). In a cross-section of the pneumatic tire (1) in the tread width direction (TW), if the point at which a first curved line (R1) which follows the curvature of the surface of the tread (50) and a second curved line (R2) which follows the curvature of the surface of a buttress portion (70) intersect is defined as an imaginary point (IP) and also if the point at which a straight line (L) passing through the imaginary point (IP) and substantially perpendicular to the carcass (20) intersects the surface of the pneumatic tire (1) is defined as an intersection point (NP), the pneumatic tire (1) has a recessed shoulder region (US) including the intersection point (NP) and having a predetermined width. The recessed shoulder region (US) is provided with recesses (80) recessed from the surface of the pneumatic tire (1) and also with a surface portion (90) in which no recess (80) is formed.

Abstract: A pneumatic tire including a decorative portion having at least one ridge group that extends band-like in the tire circumferential direction on the outer surface of the side wall. Each of the ridge groups is formed from a bundle of ridges. An entirety of each of the ridge groups is formed into a wave-like shape that extends in the tire circumferential direction, and each of the ridge groups is arranged so as to mutually cross at a plurality of locations in the tire circumferential direction. Therefore, the decorative portion is noticeable, and the decoratability of the tire can be enhanced.

Abstract: A tire having a large number of circular dimples 62 on sidewalls thereof is disclosed. Each dimple 62 has a slope surface 66 and a bottom surface 68. The dimple 62 has a small projection 70. The small projection 70 is annular and is formed on the slope surface 66. A cross-sectional shape of the small projection 70 is substantially a rectangle. The small projection 70 is arranged so as to be concentric with the contour of the dimple 62. The surface area of the slope surface 66 having the small projection 70 is larger than the surface area of the slope surface when it is postulated that the small projection 70 does not exist thereon.

Abstract: A pneumatic tire comprises at least one sidewall portion provided with a serration pattern on its outer surface, the serration pattern comprising a plurality of first groups being repeatedly arranged in the circumferential direction of the tire, each first group comprising a plurality of ridges which are arranged using gradually increasing pitches toward a first circumferential direction of the tire, wherein a region provided with the serration pattern on the outer surface of the sidewall portion has a radius of curvature in a range of not more than 70 mm in a cross section including a tire axis under a standard condition such that the tire is mounted on a standard rim and inflated to a standard pressure, but no tire load is loaded.

Abstract: A rubber tire comprising a surface having, over at least a portion of this surface, a pattern comprising a plurality of bars placed substantially parallel with one another, each comprising a tip distant from the surface of the tire and a base materially integral with the tire. Each bar of the plurality of bars comprises two inclined walls extending on either side of the tip towards the base, the angle of inclination of each inclined walls less than or equal in absolute value to 25° relative to a direction perpendicular to the surface. The bases of the bars are not in contact with one another so that the bases of two adjacent bars delimit a residual surface between the bars. The width of the residual surface corresponding to a distance between the bases of the two adjacent bars is less than or equal to half the height of the adjacent bars, the height being between 0.1 mm and 0.8 mm.

Abstract: Provided is a pneumatic tire including at least a turbulent flow generation projection configured to generate a turbulent flow, the turbulent flow generation projection being arranged in a range from a maximum tire width position to an outside bead position, the maximum tire width position being a position on a tire surface with maximum tire width, and the outside bead position being a position on an outside of a bead portion in a tire radial direction, the bead portion configured to be in contact with a rim flange. The turbulent flow generation projection includes a radial projection extending along the tire radial direction, and a circumferential projection extending in an approximately circular arc shape along a tire circumferential direction.

Abstract: A side wall portion including, in a specific region in a tire radial direction, a decorative region including two or more decorative portions that are continuously disposed so as to be contiguous in a tire circumferential direction, the decorative portions including multiple convex ridges that are disposed on an outer surface so as to be adjacent in the tire circumferential direction. The ridges in the same decorative portion have a same ridge arrangement angle, and the ridge arrangement angle of the contiguous decorative portion differs therefrom not less than 20° and not more than 160°. In all regions in the tire circumferential direction, at least one side in the tire radial direction of the decorative portion overlaps with the contiguous decorative portion. A distance between a first imaginary boundary line and a second imaginary boundary line is less than 1 mm.

Abstract: [Object] To provide a pneumatic tire 2 which is lightweight and is excellent in durability. [Solution] A tire 2 has a large number of dimples 62 on sidewalls 8 thereof. These dimples 62 are arranged along a circumferential direction. The contour of each dimple 62 is, for example, a rectangle. In each dimple 62, the length in a circumferential direction is larger than the length in a radial direction. The area occupation ratio of each dimple 62 is equal to or greater than 75% but equal to or less than 93%. The contour of each dimple is symmetrical about a straight line extending in the radial direction. Preferably, the depth of each dimple 62 is equal to or greater than 0.5 mm but equal to or less than 4.0 mm. The width of a land between each dimple 62 and another dimple 62 adjacent to this dimple 62 is preferably equal to or greater than 0.3 mm but equal to or less than 3.0 mm.

Abstract: A pneumatic vehicle tire has a profiled tread, two side walls, and at least one protective rib running on the surface of the side wall over its circumference. The protective rib is disposed above and with a spacing distance from a side wall marking or a side wall decoration. The protective rib has a lower negative contour with at least one recess, which is configured to correspond to the positive contour of the side wall marking or side wall decoration facing the protective rib, such that the protective rib at least partially accommodates the upper half of the side wall marking or side wall decoration in the recess.

Abstract: A pneumatic tire comprises a pair of bead portions, a sidewall portion extending from the bead portions outward in a radial direction of the tire, a tread portion connected to an outer side of the sidewall portion in the radial direction of the tire through a shoulder portion, and extension block groups in each of which a plurality of extension blocks to extending from at least the shoulder portion to the sidewall portion are arranged in a circumferential direction of the tire. The extension block group includes a first extension block whose cross section height from a tire equator point exceeds ½ of a tire cross section height, and a second extension block whose cross section height from the tire equator point is lower than the first extension block.

Abstract: A pneumatic tire having inconspicuous sidewall surface irregularities. The pneumatic tire includes a plurality of sidewall parts and a tread portion extending between the sidewall parts. At least one sidewall part has a pattern extending in the tire circumferential direction that can be visually differentiated from the surrounding regions of the sidewall surface by an irregularity or reflectance properties of light of the sidewall surface. The pattern includes a plurality of linear protrusions or grooves that extend in a wave shape in a tire circumferential direction while deflecting in a tire radial direction with a period of ?1. The line protrusions or grooves have intervals in a tire radial direction, and are non-intersecting. Outer and inner circumferences of the pattern of the tire radial direction are formed by the plurality of linear protrusions or grooves to extend in a wave shape in a tire circumferential direction.

Abstract: A tire 100 comprises one pair of bead cores 110 and a carcass layer 120 having a toroidal shape that extends between the one pair of bead cores 110. The carcass layer 120 is folded back to an outside in a tire width direction at the bead cores 110. With respect to an end portion 121 of the carcass layer 120 folded back at the bead cores 110, a plurality of wall members 200 are provided at positions in the tire width direction. The plurality of wall members 200 are provided so as to be spaced from one another along a tire circumferential direction.

Abstract: A pneumatic tire has a distinguishing mark is formed on a surface of a side wall portion. The pneumatic tire comprises a first protruding portion protruding along a profile of the mark and a second protruding portion protruding at a height which is lower than the first protruding portion, adjacent to an outer side of the first protruding portion.

Abstract: A tire mold is provided with a groove-like saw cut in an area of a tire molding surface which comes into contact with a side surface of a tire. The saw cut comprises a pair of circumferential saw cuts arranged to be spaced in a tire diametrical direction, a grid-like saw cut which is expanded between the pair of circumferential saw cuts, and a plurality of frame-like saw cuts which are dotted between the pair of circumferential saw cuts. The frame-like saw cuts fringe a closed area which is wider than a smooth area defined by the grid-like saw cut. The grid-like saw cut surrounds the frame-like saw cuts to prevent the frame-like saw cuts from coming into contact with each other. The frame-like saw cuts are coupled to each other via the grid-like saw cut.

Abstract: The aspect of the present invention is a pneumatic tire comprising a plurality of radial protrusions 60 each extending in a tire radial direction on a tire surface 31 and having a shape protruding from the tire surface outward in a tire width direction, wherein the plurality of radial protrusions 60 are provided radially with a tire rotation axis as a center, the plurality of radial protrusions 60 each have a low protrusion portion 63 and a high protrusion portion 64, and a height of the low protrusion portion measured in the tire width direction hs is lower than a maximum height of the high protrusion portion h measured in the tire width direction.

Abstract: A pneumatic tire comprises a plurality of protect ribs extending at an angle ? of 0 to 20° with respect to a tire radial direction line and provided on outer surfaces S of sidewall portions at distances from each other in a circumferential direction of a tire. Each of the protect ribs includes a maximum height portion whose height from the outer surface S is maximum. A vertical cross section shape which passes through the maximum height portion is of substantially triangular shape. This s substantially triangular shape includes an outer end-side inclined portion having the height which is gradually reduced from the maximum height portion to a radial outer end Ra, and an inner end-side inclined portion having the height which is gradually reduced from the maximum height portion to a radial inner end Rb. A distance La between the maximum height portion and the radial outer end Ra in the length direction is in a range of 0.1 to 0.

Abstract: Tire having a visible surface comprising patterns contrasting with said surface, said pattern comprising, over the entire surface thereof, a plurality of tufts distributed with a density of at least five tufts per mm2 or a plurality of blades which are substantially parallel to one another and arranged with a pitch of less than 0.5 mm, each tuft having a mean cross section having a diameter of between 0.03 mm and 0.5 mm or each blade having a mean width of between 0.03 mm and 0.5 mm, characterized in that the walls of the tufts or of the blades have, over at least one quarter of the area thereof, a mean roughness Rz of between 5 ?m and 30 ?m.

Abstract: A smooth resin film including an ultraviolet ray absorbing agent is pasted to an outer surface of a side portion of an unvulcanized tire, the unvulcanized tire is vulcanized and molded in a state of pasting the resin film, thereby, a pneumatic tire provided with the resin film at the outer surface of the tire side portion to be able to be exfoliated therefrom is fabricated.

Abstract: Provided is a bicycle tire for use with a bicycle wheel. The bicycle tire includes a tire body defining a closed loop and being configured to be engagable with the bicycle wheel. The tire body defines an outer periphery and includes an exposed portion extending radially outward from the bicycle wheel when engaged therewith. The exposed portion is externally configured to define a partial, non-circular ellipse in a cross sectional plane perpendicular to the tangent of the outer periphery. The partial ellipse includes a closed end portion at the outer periphery and an open end portion adjacent the bicycle wheel. A plurality of nubs is attached to the tire body, with the nubs being configured to remain attached thereto during the life of the bicycle tire. The nubs are sized and configured to enhance the aerodynamics of the bicycle tire as the tire rotates and translates through a fluid.

Abstract: A tire (2) includes a tread portion (T) and a pair of side portions (S). An agitating portion (32) is provided on an inner part in a radial direction with respect to a position (PA) indicative of a maximum width over an external surface (34) of each of the side portions (S). The agitating portion (32) includes a large number of dimples (36) which are dented inward from the external surface. An edge of the dimple (36) has a circular contour. A ratio of a depth of the dimple (36) to an outside diameter of the dimple (36) is equal to or higher than 0.2 and is equal to or lower than 0.5. A ratio of a distance between a center of one of the dimples (36) and a center of the other dimple (36) which is close to the one of the dimples 36 to the outside diameter is equal to or higher than 1.2 and is equal to or lower than 2. It is preferable that the outside diameter of the dimple (36) should be equal to or greater than 3 mm and be equal to or smaller than 5 mm in the tire (482).

Abstract: A pneumatic tire comprises a sidewall portion is provided in the outer surface with a circumferentially continuous or discontinuous serrated zone in which radially extending serration ridges are arranged circumferentially of the tire. The serration ridges are grouped into circumferentially successively arranged groups each consisting of serration ridges whose angles ? with respect to the respective tire radial directions are different from each other, and gradually increased toward one circumferential direction. Each group has an equally-spaced position at which the serration ridges are equally spaced in the tire circumferential direction.

Abstract: A pneumatic tire includes a tread portion extending in a tire circumferential direction and a pair of sidewall sections on both sides of the tread portion, respectively, with regard to a tire width direction. At least one of the sidewall sections includes partitions and a plurality of first and second minute regions. The partitions have a prescribed spacing in the tire circumferential direction and extend linearly in a tire radial direction. The first and second minute regions are provided in each of a plurality of partitioned regions and are visually distinguishable from surrounding sidewall surface regions. The first minute regions are also visually distinguishable from the second minute regions. The first and second minute regions are provided alternately along the tire radial direction, and the radial positions of the first minute regions and the second minute regions are varied with respect to the tire circumferential direction.

Abstract: To provide a pneumatic tire that can prevent photoluminescent material from falling off and can maintain visibility and fashionability based on the photoluminescent material over a long period of time when providing a decorative portion decorated with a photoluminescent material in a tire side wall and a method for manufacturing the same. The pneumatic tire of the present technology is a pneumatic tire including a decorative portion in a tire side wall decorated with a photoluminescent material, wherein at least one recess is formed in the decorative portion and the photoluminescent material is adhered within the recess.

Abstract: Heavy goods vehicle tire including beads, sidewalls and a tread. To deflect the flow of water expelled laterally by this tire while running on a wet road, the tire is provided on each of its sidewalls, and near the tread, with a protuberance. One protuberance is positioned on the tire so as to be effective over a first period of use of the tire and the other protuberance is positioned on the tire so as to be effective after the tread has partially worn away, and after the worn tire has been reversed so as to place such other protuberance to the outside of the vehicle.

Abstract: Protruding ridges on a surface of a side wall portion extending in a tire radial direction for a predetermined range in the tire radial direction and being provided in a plurality in a row arrangement in a tire circumferential direction, wherein the ridges are formed continuously in the predetermined range from a first edge in the tire radial direction to a second edge; and characters are formed by the ridges including reference parts provided on a reference line that connects the first edge in the tire radial direction to the second edge, and curved parts that depart from and return to the reference line by bending or curving.

Abstract: A pneumatic tire unit comprises a front tire to be mounted on a leading side of a vehicle, and a rear tire to be mounted on a trailing side of the vehicle. A plurality of recesses is provided in at least one tire side portion of the front tire, and a plurality of protrusions is provided on at least one tire side portion of the rear tire. A negative pressure region that can be generated at a back surface side of the vehicle is reduced and, therefore, air resistance of the vehicle is reduced and fuel economy is enhanced.

Abstract: The present invention relates to a pneumatic tire 1 in which turbulent-flow generating projections 10 each extending from an inner circumference side to an outer circumference side are provided on a outer circumferential face 3a which is tire surface of tire side portion 3 at intervals in a tire circumferential direction. Each of the turbulent-flow generating projections 10 includes an edge portion 10g when being viewed in a cross-sectional shape taken along a direction perpendicular to an extending direction thereof, and a front wall angle ? formed between a front wall face 10a of each turbulent-flow generating projection 10 and the tire surface (outer circumferential face 3a) is set in the range of 70° to 110°, the front wall face being hit by an airflow.