Abstract: A tire having includes a V-shaped kerf to increase the directionality of running of the tire and having a drainage section at the lower side of the kerf to enhance (e.g., improve) the water drainage performance. The tire having V-shaped kerfs includes a kerf formed on a block and allowing water introduced thereinto to be discharged to a groove, and a drainage section connected to the groove to discharge the water to the groove, the drainage section being a space defined in the longitudinal direction of the kerf.

Abstract: A tire comprises a tread portion 2. The tread portion 2 comprises a plurality of lateral grooves 8 extending in a tire axial direction and blocks 9 divided by the lateral grooves 8. At least one of the blocks 9 includes a first lateral block wall 16 positioned on a side of one of the lateral grooves 8 adjacent thereto and a sipe pair 22 consisting of a first lateral sipe 23 and a second lateral sipe 24 adjacent to each other in the tire axial direction with a gap 25 therebetween. The first lateral block wall 16 has, at a center portion thereof in the tire axial direction, a convex portion 20 partly protruding toward the one of the lateral grooves 8. The gap 25 is arranged in a convex portion projection area 26 obtained by extending the convex portion 20 along a tire circumferential direction.

Abstract: A tire comprises a tread portion 2. The tread portion 2 comprises a plurality of oblique grooves 10 extending obliquely from a first tread edge Te1 positioned on one side in a tire axial direction toward a tire equator C, and a plurality of oblique land regions 13 each defined between a pair of the oblique grooves 10 adjacent to each other in a tire circumferential direction. Each of the oblique land regions 13 is provided with a plurality of joint grooves 15 each connecting between the pair of the oblique grooves 10.

Abstract: A stud pin for mounting in a pneumatic tire includes a tip including a tip end surface configured to come into contact with a road surface, and a body portion configured to house the tip. An end surface of the tip configured to come into contact with a road surface comprises an axis of symmetry which defines a line symmetrical shape of the end surface; a centroid of a shape of the end surface offset to a first side in an axial direction from a center position of a range the end surface covers in the axial direction of the axis of symmetry; and a recessed portion recessed inward of the end surface, the recessed portion being provided on, of peripheries of the end surface, a periphery of the end surface running between a first most distal end portion and a second most distal end portion.

Abstract: In a pneumatic tire including a side reinforcing layer, the maximum width W0 of a bead core and the widths W1, W2 of the bead core at innermost and outermost sides in the radial direction, respectively, satisfy W1>W2 and W2?0.5×W0. W0 is toward the inside of the center of the bead core in the radial direction. A carcass is folded and curved along the bead core, and a folded back portion of the carcass extends toward the sidewalls while contacting a body of the carcass. A rubber occupancy ratio in a region formed by the body and the folded back portion of the carcass is 0.1% to 15%. The cross-sectional area S2 of a filler toward the outside of the carcass in the lateral direction, the hardness H2 of the filler, the cross-sectional area S1 of a side reinforcing layer and the hardness H1 of the side reinforcing layer satisfy 0.15?(S2×H2)/(S1×H1)?0.60.

Abstract: On a pneumatic tire are defined a first imaginary line VL1 passing through a ground contact surface in a meridian cross section of a tread portion, a second imaginary line VL2 passing through a bottom portion of a shoulder main groove and parallel to VL1, an intersection point P between VL2 and a surface of a shoulder land portion outward from a ground contact edge in a lateral direction, and an equatorial plane CL. 0.80?(B+C)/A?1.15 is satisfied, where A represents a distance in the lateral direction between P and CL, B represents a depth of the shoulder main groove, and C represents a distance in the lateral direction between the ground contact edge and CL. 0.75?S/A?0.95 is satisfied, where S represents a distance in the lateral direction between CL and an end portion of a longest belt ply in the lateral direction.

Abstract: The invention relates to a tire for a heavy vehicle of construction plant type, comprising a working reinforcement (50), a protective reinforcement (60) and a hoop reinforcement (70). The working reinforcement (50) comprises two layers (51, 52) comprising inelastic metallic reinforcers that are crossed and make angles of between 30° and 35° with the circumferential direction, and having a force at break greater than 2500 daN. The hoop reinforcement (70) is formed by a circumferential winding forming two layers (71, 72), radially positioned between the working layers (51, 52), comprising circumferential elastic metallic reinforcers, having a force at break greater than 800 daN. The metallic reinforcers of the protective layers (61, 62) are potentially identical to the reinforcers of the hoop reinforcement, crossed from one layer to another with angles identical to the working layers. These reinforcers are elastic, have a diameter greater than 3 mm and a force at break greater than 800 daN.

Abstract: A thermal processing and consolidation system includes an upper assembly, a lower assembly, and an air impingement device. At least one of the upper assembly or the lower assembly is a chamber assembly. The upper assembly and the lower assembly are movable relative to one another between an opened position where the upper assembly and the lower assembly are detached from one another, and a closed position where the upper assembly and the lower assembly are coupled to one another and form an enclosed plenum for receiving a tool. The air impingement device is arranged at least partially in the plenum, and configured to direct forced flows of air at the tool when the tool is received in the plenum.

Abstract: A motorcycle tire includes a tread portion provided with inclined main grooves arranged between the tire equator and a first tread edge and sub-grooves smaller than the inclined main grooves in groove width. The inclined main grooves include inner main grooves each extending from a first end located on the tire equator side to a second end located on the first tread edge side with an inclination with respect to a tire circumferential direction, wherein no other grooves are provided between the first end of each inner main groove and the tire equator. The sub-grooves include first sub-grooves extending from the inner main grooves toward the tire equator with an opposite inclination direction to the inner main grooves with respect to the tire circumferential direction and terminating on the tire equator side without being communicated with any other grooves.

Abstract: The pneumatic tire 1 for a motorcycle comprises a tread portion 2 comprising a belt layer 7, an inner liner layer 9 made of air impermeable rubber and arranged radially inside the belt layer 7, and a sealant layer 10 attached to a radially inner surface (9a) of the inner liner layer 9. The sealant layer 10 comprises a crown portion 10A arranged at a center thereof in a tire axial direction and a pair of shoulder portions 10B arranged on both sides of the crown portion 10A in the tire axial direction. Viscosity ?2 of the shoulder portions 10B is larger than viscosity ?1 of the crown portion 10A.

Abstract: A tire for running on rough terrain comprises a tread portion 2 bound with an intended tire rotational direction. The tread portion 2 comprises a row of crown blocks 10 and rows of middle blocks 11. The crown blocks 10 and the middle blocks 11 each has an axially-elongated shape. A crown front edge 15 of each of the crown block 10 comprises a most concave portion 18 positioned at the most toe-side thereof in the tire rotational direction and a pair of inclined edges 20 extending from the most concave portion 18 toward axially both sides thereof and toward the heel-side in the tire rotational direction. The inclined edges 20 are each inclined at an angle from 10 to 45 degrees with respect to the tire axial direction. A middle front edge 21 of each of the middle blocks 11 extends axially outwardly and is inclined to the heel-side.

Abstract: A tire for sand traction includes a ground-engaging tread that is disposed radially outwardly of a wheel. Structural elements extend radially between the wheel and the tread. The tread includes an inboard shoulder and an outboard shoulder. The tread is formed with a recess wall that extends laterally between the inboard shoulder and the outboard shoulder. The recess wall is disposed radially inwardly of the inboard shoulder and the outboard shoulder to form a central recess. The tire also includes a plurality of circumferentially-spaced, laterally-extending lugs. Each lug extends across the central recess from the inboard shoulder to the outboard shoulder.

Abstract: A tire includes a tread portion being provided with a circumferentially extending main groove to define a first land portion between the main groove and a tread edge. The main groove includes a groove bottom, an outer groove wall extending radially outwardly and inclined toward the tread edge, and an inner groove wall extending radially outwardly and inclined toward the tire equator. The groove bottom extends in a zigzag manner in a tire circumferential direction in such a manner as to alternate between a first location where the groove bottom is located nearest to the tire equator and a second location where the groove bottom is located nearest to the tread edge. An angle ?2b of the outer groove wall in a groove cross-section at the second location is greater than an angle ?1a of the inner groove wall in a groove cross-section at the first location.

Abstract: In a tire 2 for a two-wheeled automotive vehicle, a carcass ply 24 is extended on and between one bead 8 and the other bead 8 along inner sides of a tread 4 and sidewalls 6, and includes a main portion 24a and turn-up portions 24b, which are formed by the carcass ply 24 being turned up around the beads 8 from an inner side toward an outer side in an axial direction. An outer end Pp of each turn-up portion 24b is positioned outward of a tread end Pe in a radial direction. A band 14 is positioned between a belt 12 and the tread 4, such that the band 14 covers the belt 12. An outer end P1 of an inner layer 28 layered over a carcass 10 and the outer end Pp of the turn-up portion 24b are positioned facing each other.

Abstract: In an injection molding machine in which intermediate molds are disposed movably in a mold opening/closing direction between a movable platen attached with a movable mold and a stationary platen attached with a stationary mold, setting is simplified when individually setting a setting value related to molding using the movable mold and the intermediate mold and a setting value related to molding using the stationary mold and the intermediate mold. In a method for controlling an injection molding machine in which intermediate molds are disposed movably in a mold opening/closing direction between a movable platen attached with a movable mold and a stationary platen attached with a stationary mold, single setting enables setting of both of a setting value related to molding using the movable mold and the intermediate mold and a setting value related to molding using the stationary mold and the intermediate mold.

Abstract: A heat treatment furnace device for heat-treating precursor fiber bundles of carbon fibers, having: a heat treatment chamber, in which continuously supplied precursor fiber bundles are treated with hot air, a hot air circulation path, through which hot air from the heat treatment chamber returns to the heat treatment chamber, and a condensation/separation device, into which the hot air flowing through the hot air circulation path is introduced and separated into a condensate and a gas; wherein the condensation/separation device has: a condensation treatment chamber and a condensation unit, which is provided in the condensation treatment chamber and has condensation surfaces on which the condensate is formed and allowed to drip down.

Abstract: A motorcycle tyre with a low void-to-rubber ratio while providing a stiffness suitable for good performance on dry ground and on track. A tread band with grooves is arranged to provide a draining effect without structurally weakening the tread band. According to one aspect, the tread band has a tread pattern with two pairs of grooves having segments or portions that produce a warming effect when the compound of the tread band is cold. The tread band provides grip to the ground and limited local warming when the compound of the tread band is at the operating temperature or when driving on dry ground, to provide stiffness and readiness of response.

Abstract: Tread (10) for agricultural tire (1) comprising a plurality of lugs protruding from the ground of the tread (11) in radially outer direction extending at a given inclination angle from a central portion of the tread toward both axial ends of the tread and alternately arranged at given intervals in the circumferential direction on one side and on the other with respect to the equatorial plane of the tire. The lugs (2) comprising a stepping-in surface (21) wherein the stepping-in surface (21) of at least one lug (2) comprises on its sidewall a first radially outer, concave surface (211) and a second, radially inner, concave surface (212) intersecting each other in a transition point (D) when viewed in a circumferential section.

Abstract: A pneumatic tire includes a tread portion including a contact patch which occurs when the tire is mounted on a standard wheel rim with a standard pressure and loaded with a certain tire load at zero camber angle. The contact patch, on a respective tire load, defines a ratio Lc/Ls of a crown contact circumferential length Lc at an axial center of the contact patch to a shoulder contact circumferential length Ls at an axial location of 80% of an axial maximum width of the contact patch. The ratio Lc/Ls upon being loaded with 40%, of a standard tire load is equal to or less than 125% of the ratio Lc/Ls upon being loaded with 70% of the standard tire load.

Abstract: A pneumatic tire includes first and second tread patterns which are formed as substantially line symmetrical shape with respect to a tire equator and are shifted with respect to one another in a tire circumferential direction. Each of the first and second tread patterns is provided with lateral inclined grooves each extending axially inwardly from each tread edge to an axially inner end without reaching the tire equator. The tire is further provided with central connecting grooves each extend across the tire equator to connect lateral inclined grooves arranged on the first and second tread patterns. The central connecting grooves each include a first end and a second end such that the first end is located nearer to the tire equator than the second end and that a depth thereof decreases gradually from the first end to the second end.