Abstract: A pneumatic tire includes: a plurally of shoulder blocks that are provided in a side portion, defined by a shoulder main groove extending in a tire circumferential direction and a shoulder lateral groove extending in a tire width direction, and disposed side by side in the tire circumferential direction; a rib that is provided in the side portion, and extends in the tire circumferential direction along the shoulder blocks; and a projection that is provided in the side portion, and extends from the rib toward the shoulder blocks.

Abstract: In a pneumatic tire in which plural land sections 20 are provided in a tread and each of the land sections 20 is provided with plural sipes 30 and at least one recess 32 arranged between the two adjacent sipes 30, in the case where a distance between the sipes 30 on both sides of the recess 32 is set as W1, a distance between the recess 32 and one of the sipes 30 is set as W2, and a distance between the recess 32 and the other sipe 30 is set as W3, each of W2/W1 and W3/W1 is equal to or greater than 0.1 and equal to or less than 0.3.

Abstract: Provided is a novel liquid crystalline elastomer that can reversibly undergo phase transition between a liquid crystalline phase and an isotropic phase thereof in a relatively low temperature region. A liquid crystalline elastomer precursor comprising a mesogenic group to which an oxide compound is attached, wherein the liquid crystalline elastomer precursor has a molecular moiety excluding the mesogenic group, the molecular moiety having at least one ester bond and at least two active hydrogen groups. A liquid crystalline elastomer comprising the liquid crystalline elastomer precursor cross-linked by a trifunctional or higher-functional isocyanate compound and/or polyol compound, wherein the liquid crystalline elastomer has a molecular moiety excluding the mesogenic group, the molecular moiety having at least one ester bond, and the liquid crystalline elastomer reversibly changes a state thereof between a liquid crystalline phase and isotropic phase thereof in response to a change in temperature thereof.

Abstract: A pneumatic tire according to an embodiment includes blocks formed by a main groove and a lateral groove on a tread portion. At least one block includes at least two sipes which divide the block into three or more sections in the tire circumferential direction. A pair of reinforcing projections which projects in the main groove is formed on both end portions of the block in the tire circumferential direction ranging from a side wall of the block to a groove bottom of the main groove. A connecting rib which connects distal end portions of the pair of reinforcing projections to each other is formed on the groove bottom of the main groove.

Abstract: A tire vulcanizing die comprises a tread molding surface; a sipe blade extending along the tread molding surface; and a cast projecting region extending along the tread molding surface from an end of the sipe blade; wherein width of the cast projecting region is greater than width of the sipe blade.

Abstract: A sealed secondary battery remaining capacity prediction method comprising: a step of detecting deformation of a sealed secondary battery during a charging/discharging cycle C1 before a time at which a remaining capacity is predicted, so as to determine a first curve representing a relationship between a charged/discharged capacity and a deformation amount of the battery; a step of determining a second curve by fitting a reference curve to the first curve; a step of detecting a deformation amount Tm of the battery during a charging/discharging cycle C2 after the cycle C1; and a step of acquiring a charged/discharged capacity Qm corresponding to the deformation amount Tm on a basis of the second curve and determining a difference between a charged/discharged capacity Qd in a completely discharged state on the second curve and the charged/discharged capacity Qm as the remaining capacity.

Abstract: A pneumatic tire includes a sidewall region extending in a tire radial direction, the sidewall region comprises a protruding region that protrudes in a tire width direction, and a recess that is recessed in the tire width direction, the protruding region extends in the tire radial direction, and the recess is contiguous with the protruding region.

Abstract: Provided is a pneumatic tire including a tread that defines a groove formed between each pair of lands. The groove includes a curved inclined part and a bottom groove part that is located adjacent thereto in a groove width direction. The curved inclined part includes a concave inclined surface that is inclined from a surface of the lands toward a groove depth side. The bottom groove part is located adjacent to the curved inclined part via a stepped portion, and has a bottom surface located on a side deeper than a groove deep end edge of the curved inclined part.

Abstract: A first tire member manufacturing method includes an operation in which a pre-coagulation rubber latex containing carbon black, for which a ratio of specific surface area as determined by nitrogen adsorption N2SA (in units of m2/g) to an amount of iodine absorption IA (in units of mg/g) is not less than 1.00, is coagulated to obtain a coagulum; an operation in which a compound according to Formula (I), below, is added to the water-containing coagulum; and an operation in which the compound according to Formula (I), below, is dispersed within the coagulum. In Formula (I), R1 and R2 each indicates a hydrogen atom, an alkyl group having 1 to 20 carbons, an alkenyl group having 1 to 20 carbons, or an alkynyl group having 1 to 20 carbons, R1 and R2 may be the same or different, and M+ indicates sodium ion, potassium ion, or lithium ion.

Abstract: 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 rightward, between two adjacent ones of the tire-inner-face part, the turned-up part and the second carcass ply.

Abstract: In a tire in which thickness from a boundary B between a cap layer 22 and a base layer 21 to a tire reference contour line L is thicker in a center land section 30 than in a shoulder land section 40, the center land section 30 and the shoulder land section 40 project to an outer side further than the tire reference contour line L, a thickness of the cap layer 22 in a projecting state is thicker in the center land section 30 than in the shoulder land section 40, and the shoulder land section 40 projects the most in a region A between a central position of the shoulder land section 40 in a tire width direction and a position on a main groove side therefrom by ¼ of a length of the shoulder land section 40 in the tire width direction.

Abstract: A pneumatic tire includes a tread rubber forming a tread; and a sidewall rubber forming a sidewall and extending from an outside end in a tire width direction of the tread rubber to an inner diameter side in a tire radial direction. A circumferential groove extending in a tire circumferential direction over the tread rubber and the sidewall rubber is formed on an outer surface of the pneumatic tire. The circumferential groove includes a plurality of circumferential groove portions that are arranged at intervals in the tire circumferential direction without overlapping each other in the tire radial direction. Each of the plurality of circumferential groove portions traverses a rubber interface between the tread rubber and the sidewall rubber in the tire radial direction on the outer surface.

Abstract: A pneumatic tire includes: a tread including a tread surface; and a sidewall extending to an inner diameter side in a tire radial direction and formed continuous with an outer end in a tire width direction of the tread. A circumferential groove extending in a tire circumferential direction is formed in the sidewall. The circumferential groove includes a plurality of circumferential groove portions which are arranged at intervals in the tire circumferential direction without overlapping each other in the tire radial direction. Each of the plurality of circumferential groove portions extends obliquely with respect to the tire circumferential direction, and is located in a tire radial direction range which is not less than 4% and not larger than 40%, of a tire sectional height from an outermost diameter end position of the tread surface to the inner diameter side in a side view of the pneumatic tire.

Abstract: Provided is a pneumatic tire where a main groove extending in a tire circumferential direction and a projection projecting toward the inside of the main groove from a groove side wall of the main groove are formed on a tread portion, wherein a projecting amount of the projection from the groove side wall is decreased as the projection extends to a groove bottom of the main groove, the projection terminates at a position outside the groove bottom in a tire radial direction, and a length of the projection along the tire circumferential direction is shortened as the projection extends to a distal end side of the projection in a projecting direction.

Abstract: A plurality of land portions is formed on a tread portion of a pneumatic tire by main grooves extending in a tire circumferential direction and lateral grooves extending in a tire width direction. At least one stepped portion which is lowered on a downstream side in a water drain direction is formed on at least a portion of a groove wall which forms the land portion.

Abstract: A tire cure metal mold has a plurality of blades for forming a sipe provided in a protruding manner on a tread, forming surface. The tire cure metal mold has a first blade extending along a first direction, a second blade extending along a second direction intersecting the first direction and a protrusion portion. The protrusion portion is formed by a local protrusion of the tread forming surface and comes into contact with a side surface of the first blade and an end surface of the second blade facing to the side surface of the first blade.

Abstract: A conveying device for conveying a rubber member extruded in a curved state from an extrusion device, the device including a support and a plurality of rollers which are spirally arranged around the support to constitute a spiral conveying path and which rotate while supporting a lower surface of the rubber member, wherein an outer diameter of each of the rollers increases from one end to the other end in an axial direction, the one end being rotatably fixed to the support, and the plurality of rollers include drive rollers which rotate and drive.

Abstract: In a deformation detection method for a sealed-type rechargeable battery 1 in which an electrode group 22, which is formed by stacking a positive electrode 23 and a negative electrode 24 with a separator 25 interposed therebetween, is accommodated in a sealed outer casing 21, a polymer matrix layer 3 is attached to an outer surface of a wall portion 28a of the outer casing 21 that faces the electrode group 22 in a thickness direction of the positive electrode 23 and the negative electrode 24 or in a direction perpendicular to the thickness direction. The polymer matrix layer 3 contains a filler that is dispersed therein and that changes an external field in response to deformation of the polymer matrix layer 3. Change in the external field accompanying the deformation of the polymer matrix layer 3 is detected by a detection unit 4.

Abstract: A first tire member manufacturing method includes an operation in which a master batch is made, and an operation in which the master batch, peptizing agent, and processing additive are mixed. The operation in which the master batch is made includes an operation in which carbon-black-containing pre-coagulation rubber latex is coagulated to obtain a coagulum, an operation in which a compound according to Formula (I), below, is added to the water-containing coagulum, and an operation in which the compound according to Formula (I) is dispersed within the coagulum. In Formula (I), R1 and R2 each indicates a hydrogen atom, an alkyl group having 1 to 20 carbons, an alkenyl group having 1 to 20 carbons, or an alkynyl group having 1 to 20 carbons. R1 and R2 may be the same or different. M+ indicates sodium ion, potassium ion, or lithium ion.