Abstract: In a pneumatic tire, a tread rubber includes a vehicle inner side region, a vehicle outer side region, first stereoscopic sipes, and second stereoscopic sipes. The first stereoscopic sipe has a sipe wall surface of a shape bent in a sipe width direction as viewed in cross section perpendicular to a sipe length direction, the first stereoscopic sipe having a fixed sipe width over a sipe depth direction. The second stereoscopic sipe has large width portions having a sipe width wider than a sipe width of the second stereoscopic sipe on a surface of the tread rubber in the inside of the tread rubber. Rubber hardness of the tread rubber in the vehicle outer side region is larger than rubber hardness of the tread rubber in the vehicle inner side region. Accordingly, it is possible to enhance dry steering stability performance while suppressing lowering of ice braking performance.

Abstract: A tire having a pair of high strength sidewalls lying opposite one another, wherein each sidewall has a plurality of plies that are shaped during manufacture to have a series of pleats or corrugations formed therein and stretching from the tire beads radially outward along the sidewalls. Each of the series of sidewall corrugations includes a pattern of alternating inwardly extending depressions and outwardly extending projections that extend continuously around the tire. The corrugations provide the sidewalls with an integral structural reinforcement, whereby the tire is advantageously capable of providing run flat support and avoiding damage to the rim on which the tire is mounted. According to a preferred embodiment, the tire herein disclosed is ideally suited for use on a motorcycle rim.

Abstract: Disclosed is a method of forming a hole in a glass substrate by using a pulsed laser, the method including (1) preparing the glass substrate including a first surface and a second surface that face each other; (2) forming a concave portion on the first surface by irradiating, with a first condition, the pulsed laser onto the first surface of the glass substrate through a lens; and (3) forming the hole by irradiating the pulsed laser onto the concave portion with a second condition such that energy density of the pulsed laser is less than or equal to a processing threshold value of the glass substrate.

Abstract: Provided is a tire for winter of which on-snow performance can be improved without compromising anti-wandering performance. A tire for winter comprises a tread part The tread part is provided with: a plurality of first inclined major grooves extending at an incline from one tread end beyond a tire equator and ending without reaching another tread end; first inclined minor grooves provided between the first inclined major grooves; a plurality of second inclined major grooves extending at an incline from the other tread end, in a direction opposite the first inclined major grooves, beyond the tire equator and ending without reaching the one tread end; second inclined minor grooves provided between the second inclined major grooves; a plurality of first longitudinal grooves dividing first land parts; and a plurality of second longitudinal grooves dividing second land parts.

Abstract: A pneumatic tire includes sidewall portions, at least one of which is provided in the outer surface thereof with an axially outwardly protruding protector. The protector is composed of patterned unit protrusions arranged at intervals in the tire circumferential direction. Each patterned unit protrusion includes a first protruding portion and a second protruding portion which extend in a tire radial direction and spaced apart from each other in the tire circumferential direction, and a third protruding portion connecting between the first and second protruding portions. The radial dimension L1 of the first protruding portion is more than the radial dimension L2 of the second protruding portion.

Abstract: A pneumatic vehicle tire has a carcass, a belt and a profiled tread. The belt includes four belt plies wherein the third belt ply and the fourth belt ply are working plies. The reinforcement members of the working plies are arranged at an angle to the circumferential direction of 10° to 45° and the reinforcement members of the fourth belt ply at an angle of 10° to 45°. The reinforcement members of the third and fourth belt plies are arranged such that they cross one another. The reinforcement members of the first belt ply are arranged at an angle of 40° to 75° and the reinforcement members of the second belt ply are arranged at an angle of 0° to 5° to the circumferential direction. The reinforcement members of the third belt ply and the reinforcement members of the first belt ply have the same direction of inclination.

Abstract: A run-flat tire includes a carcass, a tire side portion and a side reinforcement layer. The carcass bridges between a pair of bead portions. The tire side portion links between a bead portion and a tread portion. A carcass maximum width position of the tire side portion, at which the width of the carcass is at a maximum, is provided at the tire radial direction outer side relative to a position that is at 40% of the tire section height. The side reinforcement layer is provided at the tire width direction inner side of the carcass. A thickness of the side reinforcement layer at the position that is at 40% of the tire section height is not more than 65% of a thickness of the side reinforcement layer at the carcass maximum width position.

Abstract: The aspects disclosed herein relate to a tread for a tire including at least one block of rubbery material of width W and length L with L»W. This block extends in a circumferential direction (X) when the tread is mounted on the tire, the block including a contact surface intended to come into contact with the ground and a first lateral wall and a second lateral wall delimiting this contact surface. The block further includes a plurality of sipes opening onto the contact surface of the block, with each sipe extending over the contact surface in an oblique direction opening onto the first lateral wall and onto the second lateral wall, the sipes of the block being oriented in the same direction. The sipes are distributed over the contact surface of the block in such a way that when one sipe reaches the second lateral wall another sipe starts out from the first lateral wall at the same circumferential level (N) on the block, and each sipe includes at least two parts.

Abstract: A tire includes a tread portion provided with at least one circumferentially and continuously extending shoulder main groove and at least one circumferentially and continuously extending crown main groove. The at least one crown main groove extends in a straight manner in a tire circumferential direction. The at least one shoulder main groove includes narrow segments inclined at angles with respect to the tire circumferential direction and wide segments each having widths greater than widths of the narrow segments. The narrow segments and the wide segments are arranged alternately in the tire circumferential direction so as to form a zigzag groove shape, wherein the widths of the narrow segments are in a range of from 5% to 7% of a tread width.

Abstract: The present invention provides a pneumatic tire having excellent traction performance and excellent non-uniform wear resistance. In the pneumatic tire, a plurality of blocks are formed by a plurality of main grooves extending in a tire circumferential direction and a plurality of transverse grooves extending in a tire width direction. A first block and a second block disposed adjacently to each other in the tire circumferential direction are formed as one set, and a surface area of the second block is set larger than a surface area of the first block. The second block is arranged so as to be displaced a position of the second block from a position of the first block toward the inside in the tire width direction.

Abstract: The present invention provides a tin alloy bath for a float bath, an apparatus for manufacturing a float glass, a method for manufacturing a float glass that can provide a high quality float glass in which defects due to coagulation and falling of a volatile tin component have been suppressed, and a float glass manufactured using those. The above-mentioned tin alloy bath for a float bath is a molten metal bath to be placed in the float bath for supplying molten glass to a liquid surface of the molten metal bath, thereby forming into a glass ribbon, and includes 1 mass % or more of copper with the remainder being unavoidable impurities and tin.

Abstract: The invention provides a method of manufacture of man-made vitreous fibers (MMVF) comprising: providing a fiberizing apparatus, wherein the fiberizing apparatus comprises: a set of at least three rotors each mounted for rotation about a different substantially horizontal axis; wherein each rotor has a driving means; rotating the rotors; wherein the first rotor rotates to give an acceleration field of from 25 to 60 km/s2 and the second and third rotors each rotate to give an acceleration field of at least 125 km/s2, providing a mineral melt, wherein the melt has a composition comprising the following, expressed by wt of oxides: SiO2 in an amount of from 33 to 45 wt %, Al2O3 in an amount of from 16 to 24 wt %, an amount of K2O and/or Na2O, an amount of CaO and/or MgO, wherein the ratio of the amount of Al2O3 to the amount of SiO2 is in the range 0.34-0.

Abstract: A pneumatic tire has a side protector 9 comprising first protect ribs 11 and second protect ribs 12 arranged alternately in the circumferential direction. The first protect ribs 11 each have a main part 13 extending radially inwardly in the form of an S shape. The second protect ribs 12 each have a main part 14 extending radially inwardly in the form of an L shape.

Abstract: Wear resistance is improved. To that end, a pneumatic tire of the disclosure herein includes, on a tread surface 1, a sipe 4 extending in a direction intersecting a tire circumferential direction. A sipe width of the sipe becomes maximum at a predetermined depth direction position P1 at predetermined extending direction position P2 of the sipe, and gradually increases at the predetermined depth direction position P1 from both ends in the sipe extending direction to the predetermined extending direction position P2, and also gradually increases at the predetermined extending direction position P2 from both ends in the sipe depth direction to the predetermined depth direction position P1.

Abstract: A method of modifying a substrate formed of non-deformable material is disclosed. In some embodiments, techniques are disclosed for identifying a region of a planar substrate that is susceptible to stretching during a subsequent shaping operation. In some embodiments, techniques are disclosed for adding an amount of non-deformable material to the planar substrate at an identified location and in a single operation, acting on the substrate until the substrate has a shape corresponding to a uniform thickness and a three-dimensional curvature.

Abstract: A tire is provided having a body ply that is displaced from the conventional equilibrium curve along the shoulder and upper side wall region of the tire in a manner that provides more uniform inflation growth along the crown region so as to reduce differences in rigidity between the center and shoulders of the tire, reduce load sensitivity, and/or decrease the propensity for cracking. A method for designing or constructing such a tire is also provided.

Abstract: Combustion burners, burner panels, submerged combustion melters including the panels, and methods of using the same are disclosed. In certain embodiments, the burner includes an annular liquid cooled jacket defining a central longitudinal through passage. An inner conduit is positioned substantially concentrically within an outer conduit, the latter positioned in the through passage, each conduit comprising proximal and distal ends, the conduits configured so that the outer and inner conduits are movable axially. The inner conduit forms a primary passage and the outer conduit forms a secondary passage between the outer conduit and the inner conduit. In one embodiment the outer conduit has an exterior surface configured along at least a portion thereof with threads mating with adjacent threads on an inner surface of the annular liquid cooled jacket. Other embodiments including lock and release dogs or bolt arrangements. The burners promote burner life and melter campaign length.

Abstract: An optical element manufacturing apparatus includes plural pairs of stage units that are each arranged opposite to each other so as to sandwich a mold set that houses a molding material, each of the plural pairs of stage units performing at least one of heating, pressurization, and cooling on the mold set, wherein each of the stage units includes a temperature control block for which temperature is controlled, and in a third direction orthogonal to a first direction and a second direction, the temperature control block includes heating regions that are positioned on sides of both ends and in which heating sources are arranged, and a non-heating region that is positioned on a central side and in which the heating sources are not arranged throughout the first direction, the first direction being a direction in which the plural pairs of stage units are arranged, and the second direction being a direction in which a pair of stage units are opposite to each other.

Abstract: A method of producing an optical fiber is provided that includes the steps of flowing a first gas into an optical fiber draw furnace. The first gas is passed through a heated section configured to contain and heat a glass source from which the optical fiber is drawn, passing the first gas through a muffle which defines a capture chamber. A portion of the first gas is removed through at least one reclaim port operatively coupled to the capture chamber. A second gas flows into a gas screen at a rate configured to substantially recover a pressure drop associated with removing the portion of the first gas.

Abstract: Continuous flow submerged combustion melter cooling wall panels, including a primary metal plate, and several 90 degree metal pieces welded to the primary metal plate in parallel configuration, each of the 90 degree metal pieces having metal leg plates forming a 90 degree vertex there between. Each metal leg plate has an edge distal to the vertex, the distal edge of the first metal leg plate welded to the first major surface of the primary metal plate, the distal edge of the second metal leg plate welded to the vertex of an adjacent 90 degree metal piece. The plurality of 90 degree metal pieces may have a length (l) such that l<L, each welded to the primary metal plate in staggered configuration to form, along with first and second end plates and a seal plate, a serpentine continuous flow coolant channel.