Abstract: A liquid ejection head and a liquid ejection apparatus are provided by which the variation of the droplet ejection amount can be suppressed and the occurrence of the unevenness can be suppressed. To realize this, grooves sandwiching an ejection port and a liquid chamber are provided.

Abstract: Provided is a liquid jet head, including a flow path including a first member, a resin layer, and a second member, wherein the resin layer contains a cured product of a resin composition containing an epoxy compound represented by General Formula (1), a polythiol compound having 2 or more thiol groups in a molecule thereof, and a specific imidazole compound, where in General Formula (1), L is an integer of 0 or greater but less than 3, m is a positive number of 0.1 or greater but less than 50, R1 represents any one of a hydrogen atom, and an alkyl group having 1 to 4 carbon atoms, and R2 represents a substituent represented by a formula below where R3 and R4 each represent any one of hydrogen atom, and a non-substituted or fluorine-substituted methyl group, and n is an integer of 4 to 12.

Abstract: In an example, a non-transitory processor-readable medium stores code representing instructions that when executed by a processor cause a printing system to determine a text and line print mode or a graphics print mode to use for printing upcoming image content. The printing system selects a first nozzle column to print the image content when the text and line print mode is determined, and selects a second nozzle column to print the image content when the graphics print mode is determined.

Abstract: Examples of a printhead assembly are disclosed herein. An example of the printhead assembly includes a die to print, a base member, and at least one electrode. The electrode may be used to provide a charge to attract and collect particles that would normally otherwise interfere with operation of the die.

Abstract: An ink jet recording apparatus according to one exemplary embodiment includes an actuator, a nozzle plate, a supply unit, a discharging unit, and a circulating unit. The actuator includes a pressure chamber which accommodates ink, and changes volume of the pressure chamber. The nozzle plate opens to the pressure chamber and includes a nozzle having a diameter of 20 ?m to 40 ?m. The supply unit supplies the ink to the pressure chamber. The discharging unit collects the ink from the pressure chamber. The circulating unit circulates the ink in the supply unit, the pressure chamber, and the discharging unit. In the ink, an average particle size in laser diffraction type particle distribution measurement is from 0.4 ?m to 6.5 ?m, the average particle size is substantially the same as a particle size in 50% integrated value, and a particle size in 90% integrated value is double or less the particle size in 50% integrated value.

Abstract: A piezoelectric printhead assembly can include a micro-electro mechanical system (MEMS) die including a plurality of nozzles and a first application-specific integrated circuit (ASIC) die coupled to the MEMS die by a first plurality of wire bonds.

Abstract: A printer is configured to continue printing during maintenance of at least one printhead in the printer. The printer includes a plurality of printheads that each eject drops that overlap with adjacent drops ejected by another printhead. At least one printhead is selected for maintenance, moved to a position for performance of a maintenance operation, and returned to the position from which it was originally moved, while the remaining printheads continue to eject drops. The newly serviced printhead is returned to the position from which it was originally moved.

Abstract: A printing apparatus includes a printing unit that performs printing onto a medium using liquid; a liquid housing body that includes a liquid pouring inlet that can pour the liquid into the liquid housing chamber; and a casing in which the printing unit and the liquid housing body are housed. The casing including a cover member that can displace the position thereof between an opening position which exposes the liquid pouring inlet to an outside and a closing position which does not expose the liquid pouring inlet to the outside, and the cover member can support an ink bottle in which liquid is stored in a state where the liquid can be poured from the ink bottle to the liquid pouring inlet of the liquid housing body in a case where the cover member is in the opening position.

Abstract: A liquid discharge apparatus includes: a liquid discharge section configured to discharge liquid supplied from a liquid container in accordance with a drive signal; a sensor configured to measure a remaining quantity of the liquid in the liquid container; a measurement section configured to identify a measurement consumption quantity being a variation quantity of the remaining quantity in a measurement period; an estimation section configured to estimate an estimated consumption quantity of the liquid in accordance with print contents in the measurement period; a comparison section configured to make a comparison between the measurement consumption quantity and the estimated consumption quantity; if the measurement consumption quantity is smaller than the estimated consumption quantity by comparison of the comparison section, an inspection section configured to inspect whether or not there is a discharge defect in the liquid discharge section; and if the inspection section determines that there are no dischar

Abstract: A recorded matter recorded on a recording medium includes a first layer formed by an ink A on or above the recording medium, the first layer having an index of refraction A; a second layer formed by an ink B on the first layer formed by the ink B, the second layer having an index of refraction B (where B<A); and a third layer formed by an ink C or by a transparent resin material on the second layer, the third layer having an index of refraction C (where C>A) and forming a surface layer of the recorded matter.

Abstract: A method for damping pressure peaks in an ink line of an inkjet printer includes connecting the line to a chamber divided by a diaphragm into an air-filled first space and an ink-filled second space, connecting the first space to an air-filled buffer, connecting the buffer to an air pump, a) pumping air into the first space until freeing the chamber of ink and the diaphragm rests on a chamber wall or tension in the diaphragm begins rising substantially linearly, then b) pumping air out of the first space until filling the chamber with ink and the diaphragm rests on a chamber wall or tension of the diaphragm begins rising substantially linearly, while determining the number of pump cycles, then c) pumping air into the first space while passing through substantially half of the determined pump cycles. Steps a and b may be reversed.

Abstract: A valve comprises an orifice plate (1) having one or more orifices (4) through which a fluid may flow, and one or more piezo-electric elements (2). Each element (2) has a face positioned to contact the orifice plate at an orifice. Each element has a first state in which it abuts the plate to prevent flow of fluid through the associated orifice and a second state in which the face is spaced from the plate to allow flow through the associated orifice. A controller (50) selectively applies a first voltage to an elements to cause it to adopt the first state and applies a second voltage to the one or more elements to cause the elements to adopt the second state.

Abstract: An apparatus to calibrate a printer. The apparatus comprises a controller to: control deposition of white printing material on media, the white printing material having an opacity of at least 55%; control deposition of non-white printing material on the white printing material; receive data for at least one sensed characteristic of the non-white printing material; and calibrate the printer using the received data for the at least one sensed characteristic of the non-white printing material.

Abstract: A hybrid printing machine is described having both silk screening stations and a direct-to-garment digital printing station with a raster image processor to control a portion of a printing process.

Abstract: An inkjet printing method for producing images durable for outdoor usage includes the steps of: a) inkjet printing on a substrate a UV curable colourless primer including monofunctional monomers in a range of 40 wt % to 65 wt % based on the total weight of the UV curable colourless primer; b) at least partially UV curing the inkjet printed UV curable colourless primer; and c) inkjet printing on the at least partially cured UV curable colourless primer one or more UV curable colour inkjet inks including monofunctional monomers in a range of 30 wt % to 60 wt % based on the total weight of the UV curable colour inkjet inks; wherein a ratio of the wt % monofunctional monomers in the UV curable colourless primer over the wt % monofunctional monomers in the one or more UV curable colour inkjet inks is between 0.65 and 2.10.

Abstract: A light emitting elements drive control device includes: a supplying unit that supplies a common power source voltage to a plurality of light emitting elements whose light emission quantities are controlled individually by current controls; a determining unit that determines voltage ranges capable of assuring proper current control operations on the individual light emitting elements based on drive voltages for the respective light emitting elements that vary as the current controls are performed; and a setting unit that sets the power source voltage to be supplied from the supplying unit from a common voltage range of the voltage ranges determined by the determining unit.

Abstract: An image recording apparatus includes a recording section which is provided over a transport passage for transporting a sheet in a transport direction and which has nozzles for discharging an ink onto the sheet; a platen which is provided under the recording section with the transport passage intervening therebetween and which has a plurality of ribs provided to support the sheet while being separated from each other in a widthwise direction of the transport passage perpendicular to the transport direction, the respective ribs protruding upwardly and extending in the transport direction; and a plurality of holding members which are provided to be positioned between the plurality of ribs in the widthwise direction of the transport passage over the platen on an upstream side in the transport direction from the nozzles and which abut against an upper surface of the sheet and press the sheet toward the platen.

Abstract: A printer that partially cuts roll paper to leave an uncut portion prevents paper jams from reversing the roll paper. A printer 1 has a print unit 41 for printing images on roll paper R; a cutter unit 46 disposed downstream in the conveyance direction from the print unit for cutting the roll paper and leaving an uncut portion; a conveyance unit 42 for conveying the roll paper in the conveyance direction or a reverse direction that is the opposite of the conveyance direction; and a controller 40 that executes a reversing process conveying the roll paper in reverse by the conveyance unit 42 when the roll paper is separated from the paper roll at the uncut portion after the cutter unit 46 cuts the roll paper, and not executing the reversing process in specific circumstances in which the roll paper remains connected through the uncut portion.

Abstract: A printing device has a print unit that prints on roll paper; a storage compartment that holds roll paper; a paper guide that limits the position of the roll paper in the storage compartment; a paper guide sensor that outputs different detection values according to the status of the paper guide; a memory unit that stores the paper width of the roll paper; and a control unit that causes the print unit to print based on the paper width stored by the memory unit, detects the status of the paper guide based on the detection value of the paper guide sensor when triggered by a specific event, changes the paper width setting to a value indicating 58 mm if the paper guide is installed, and to a value indicating 80 mm if the paper guide is not installed.

Abstract: A printer includes: a printhead assembly having a print zone and a belt assembly for feeding print media past the print zone in a media feed direction. The belt assembly includes: an endless belt tensioned between a first roller upstream of the print zone and a second roller downstream of the print zone; a drive mechanism for moving the endless belt in the media feed direction; and a fixed platen positioned in the print zone. The endless belt is guided around and below the fixed platen.

Abstract: The present invention relates to a printer having the same cover opening/closing direction as the paper cutting direction, and includes: a housing in which a receiving space is formed, on an upper part of which a discharging port through which paper is discharged is formed, and which includes a cover that is openable/closable frontward; a cutting unit that is provided in the receiving space and cuts the paper discharged through the discharging port in the opening/closing direction of the cover; and a discharging unit for discharging the paper from the housing.

Abstract: The present disclosure is drawn to electrocaloric heating and cooling devices and related methods. The electrocaloric heating and cooling devices can comprise an electronic feature of an integrated circuit, wherein the electronic feature is for heating and cooling cycles. The device can also include an electrocaloric film in thermal communication with the electronic feature which includes a blend or solid solution of two or more components selected from the group consisting of BNT, BKT, BZT, BMgT, and BNiT. Electrodes can be associated with the electrocaloric film, and an electrical source can be to add or reduce electrical field between the electrodes across the electrocaloric film to influence both heating and cooling of the electronic feature.

Abstract: A heat-sensitive recording material including a web-shaped substrate having a front side and an opposite reverse side, and at least one heat-sensitive recording layer on either or both of the sides of the web-shaped substrate.

Abstract: Infrared dyes having an infrared absorption maximum above 1130 nm with minor colouration in the visual spectrum. The infrared dyes are especially useful for producing multicolour laser marked security documents having reduced background coloration and enhanced colour gamut.

Abstract: A system for performing substrateless and/or local donor Laser Induced Forward Transfer (LIFT), comprising a reservoir (9) comprising at least one opening; and an energy source configured to deliver energy to a donor material within said reservoir. In preferred embodiments of the invention, the energy source is a pulsed laser. This system enables deposition of material by LIFT without any need for a donor substrate. Methods of substrateless and local donor LIFT are also disclosed.

Abstract: A front face side substrate provided between a supporting member and a receiving layer of a thermal transfer image-receiving sheet. The front face side substrate includes a front face side layer provided on one surface of a substrate layer and a rear face side layer provided on another surface of the substrate layer. The substrate layer includes (A) a propylene-based polymer, (B) calcium carbonate, and (C) titanium oxide, and the weight of (A) is 70% by weight to 94.5% by weight, the weight of (B) is 5% by weight to 28% by weight, and the weight of (C) is 0.5% by weight to 3% by weight, based on the assumption that the total weight of (A), (B) and (C) is 100% by weight. The front face side layer includes a modified propylene-based polymer, and the rear face side layer includes a propylene-based polymer.

Abstract: A printable recording media containing a substrate and an ink receiving layer including an aqueous mixture of about 50 to about 99 wt % of an UV curable polyurethane dispersion and about 1 to about 50 wt % of a photo-initiator by total dry weight of said ink receiving layer. Also disclosed herein a method for making the printable recording media.

Abstract: The present invention relates to printing blankets, pipe liners, conveyor belts, inflatable articles, collapsible containers, protective clothing, and other types of coated fabrics that are manufactured with a thermoplastic block copolymer (TBC). This TBC can be a thermoplastic polyurethane (TPU), a copolyester (COPE), a copolyamide (COPA) or a polyurethaneurea (TPUU). The subject invention more specifically discloses a printing blanket or printing sleeve and a cured in place liner for a passageway or pipe. The TBC is (I) the reaction product of (1) a hydrophobic polyol or polyamine, (2) a polyisocyanate or an aromatic dicarboxylic acid, and (3) a linear chain extender containing 2 to 20 carbon atoms, or (II) the reaction product of (1) a hydrophobic polyol or polyamine, and (2) a carboxyl terminated telechelic polyamide sequence.

Abstract: The greeting card of the present disclosure and related inventions combines a traditional greeting card with a three-dimensional object, such as a faux Christmas tree, which is capable of movement and audio playback.

Abstract: The present invention relates to the field of the protection of value documents and value commercial goods against counterfeit and illegal reproduction. In particular, the present invention relates to security threads or stripes comprising a holographic metallic layer; a first transparent substrate; a second transparent substrate; a first hardened coating and a second hardened coating, wherein a first plurality of non-spherical magnetic or magnetizable pigment particles of the first hardened coating are oriented so as to follow a convex curvature and wherein the second plurality of non-spherical magnetic or magnetizable pigment particles of the second hardened coating are oriented so as to follow a concave curvature so as to form a plural rolling bar effect.

Abstract: A method of manufacturing a security device component includes: providing a photosensitive film including a diazonium compound which decomposes upon exposure to radiation of a predetermined wavelength; providing a dye coupler film comprising one or more dye coupler compositions; exposing elements of the photosensitive film to radiation of the predetermined wavelength in accordance with a predetermined pattern; and contacting at least part of the exposed photosensitive film against at least part of the dye coupler film so as to effect at least partial transfer of the one or more dye coupler compositions to the exposed photosensitive film, whereupon unexposed elements of the photosensitive film exhibit one or more colours such that the photosensitive film exhibits a reproduction of the predetermined pattern.

Abstract: A device for connecting two objects, especially for holding a writing instrument on a notebook or the like, with a clamping body having clamping arms extending across a narrow side, for example, of the notebook, which clamping body grips one of the objects in pliers-like fashion with its clamping arms and forms a holder for holding the other object, e.g., the writing instrument, parallel to the longitudinal direction of the narrow side. Mechanisms are provided to spread open the clamping arms.

Abstract: The present invention relates to a writing instrument assembly. The invention relates more particularly to a writing instrument assembly comprising a plurality of writing instruments, such as pens or felt-tip pens, and a plurality of caps. The assembly comprises an elongate coupling device which is manufactured from a flexible material and wherein ends of the coupling device can be coupled to each other so that an annular coupling device is created. The invention is characterized in that the material of the coupling device is also resilient such that an external force has to be exerted on the coupling device in order to bend the coupling device from an elongate state to an annular state.

Abstract: A new design for a dry-erase board allows for writing on a clear top surface or a second surface under the clear top surface. The dry-erase board includes an insert positioned between the clear top surface and a second surface, the insert being protected by the clear top surface.

Abstract: Decorative composite body containing a plate-like carrier body made of plastics material, and at least one decorative element fixed in the carrier body, wherein the carrier body consists at least regionally of a fibre-reinforced plastics material, and wherein the decorative element is cohesively bonded to melted or at least partially liquefied and resolidified plastics material of the plate-like carrier body, and wherein that side of the carrier body on which the at least one decorative element is arranged, is additionally provided with a film, preferably made of PMMA, and/or with a cover plate, preferably made of PMMA.

Abstract: A multi-piece decal system for changing an appearance of a surface of an object, having a set of decal pieces, the set of decal pieces having a top side having a decorative design, and a bottom side having an adhesive, and a number of cutouts equal with the number of components associated with the surface of the object, wherein the set's outer contour matches the surface's outer contour, such that application of the set of decal pieces to the surface of the object can be accomplished without removal of any of the components associated with the surface of the object, and such that no cuts are needed on any of the decal pieces during the application of the set of decal pieces to the surface of the object.

Abstract: An image board for a rotary wheel which is mounted on a rotary wheel of a vehicle and displays a stationary image regardless of the rotation of the rotary wheel, the image board including: a base plate which is uprightly arranged on the outer portion or the inside of a wheel frame provided on the rotary wheel and mounted to be independently rotatable with respect to the wheel frame, and on one side or both sides of which a predetermined image is arranged, the base plate including a chamber on which a space is formed to be extended along the circumferential direction with respect to a rotational axis; a main weight which is fixedly mounted on the bottom of the base plate and applies a load to the bottom of the base plate; and a compensation weight which moves within the space as the main weight rotates in any direction and applies a load to the main weight so that the main weight returns to the original position thereof, the compensation weight being arranged within the space.

Abstract: A wheel assembly for use in an automotive vehicle is provided. The wheel assembly is configured to improve the aerodynamics of the moving automotive vehicle yet maintain the aesthetic appearance of a spoked wheel. The wheel assembly includes a plurality of spokes extending radially from the hub and interconnected to the rim. The spokes spaced apart from each other so as to define a plurality of openings, giving the wheel an aesthetic look. The spokes having a first part operatively connected to a second part. The wheel assembly includes an actuator mechanically attached to each of the plurality of spokes. The actuator is configured to move the first part with respect to the second part so as to cover each of the plurality of openings and form a generally solid disk when the wheel assembly reaches a predetermined speed so as to improve the aerodynamics of the wheel assembly.

Abstract: Disclosed are a drive wheel bearing and a method of manufacturing the same.

Abstract: In order to provide solutions for soiling problems and corrosion problems in the area between a pole ring (41) and the hub interior, arranged behind it, of a wheel hub assembly having a wheel hub (1) which ends inside the vehicle in a hub section (50) whose internal circumference (15) defines an opening (55) for the central passage of the stub axle (6) and on which a fastening device (42) of a pole ring (41) of an ABS sensor is mounted, wherein a pulse generator section (43) which is embodied in one piece with the fastening section (42) is a component of the pole ring (41), which pulse generator section (43) extends from the fastening section (42) to the wheel hub axis (A) and is provided with openings (44, 44L) distributed uniformly in the circumferential direction; in a first embodiment the pole ring (41) extends with its pulse generator section (43) towards the wheel hub axis (A) to such an extent that the opening (55) between the wheel hub (1) and stub axle (6) is for the most part covered towards the int

Abstract: Wheel bearing unit with a wheel hub, wherein the wheel hub has an integrally formed wheel flange on one end thereof and an inner ring that is rotatable together with the wheel hub, wherein the inner ring is fastened on the wheel hub through the use of a rolling rivet connection in order to pre-tension a row of rolling elements in relation to an outer ring, and with an encoder provided on the inner ring and extending radially towards the outer ring, and with a protective cover fixed on the outer ring in order to close and seal annular openings formed between the outer ring and the wheel hub, and wherein a cylindrical section of the protective cover is pressed in and wherein a bottom section extends inwardly from the cylindrical section in a radial direction in order to cover an inner-side end of the wheel hub, wherein the cylindrical section is joined with a substance bond to the outer ring and wherein the substance-bond connection is produced through the use of a hardening fluid and wherein the fluid is held

Abstract: A cap configured to be connected to a wheel having a hub and a series of openings configured to receive fasteners attaching the wheel to a vehicle. The cap includes a disc defining a series of openings. The number of openings in the cap is less than the number of openings in the wheel. Each opening in the cap is configured to align with a corresponding opening in the wheel. Additionally, the cap is configured to conceal a remainder of the openings in the wheel that are not aligned with the openings in the cap.

Abstract: A caster wheel assembly includes a wheel mounted for rotation about a horizontal axis within a wheel carriage such that the wheel rotates about the horizontal axis with respect to the wheel carriage. The wheel carriage is positioned within a retention ring such that the wheel carriage can rotate about the vertical axis with respect to the retention ring. The wheel carriage also has an opening on the bottom surface such that the wheel can make contact with the ground. The horizontal axis about which the wheel rotates is offset from the vertical axis about which the wheel carriage rotates. An outer carriage may be included such that the outer carriage is positioned within the retention ring and the wheel carriage is positioned within the outer carriage. The outer carriage would be able to rotate about the vertical axis with respect to both the retention ring and the wheel carriage.

Abstract: A heavy goods vehicle (10) having a vehicle frame (12) and at least one driving axis (A), which has on either longitudinal side (10a) of the vehicle (10) a bogie (22) comprising a wheel assembly (14), each wheel assembly (14) comprising at least two wheels arranged symmetrically in relation to a central axis (S), and a wheel suspension (18) by means of which said wheel assembly is fastened to a rotary plate (28) of the bogie (22), this rotary plate (28) being mounted on a rotary bearing (24) of the bogie (22) which is engaged with the vehicle frame (12) so as to be rotatable about a steering swivel axis (X). According to the invention, the rotary bearing (24) of the bogie (22) can be adjusted in the width direction (B) of the vehicle relative to the vehicle frame (12) and can be detachably connected to the vehicle frame (12) in an operationally stable manner.

Abstract: A wheel assembly has a rim with an outer radial surface. A tire coupled to the rim defines a first interior region between the outer radial surface and the tire. A bladder coupled to the rim defines a second interior region between the outer radial surface and the bladder. A third interior region is defined between the bladder and the tire. The wheel assembly includes a valve fluidly coupled to the second interior region and the third interior region. The valve is movable between a first position and a second position. The second interior region and the third interior region are fluidly isolated from one another when the valve is in the first position. The second interior region and the third interior region may be fluidly coupled to one another when the valve is in the second position.

Abstract: The tire (10) comprises a crown (12) surmounted by a tread (22), two sidewalls (24), two beads (26), each sidewall (24) connecting each bead (26) to the crown (12), a carcass reinforcement (34) anchored in each of the beads (26) and extending in the sidewalls (24) as far as the crown (12). The carcass reinforcement (34) comprises one carcass ply (44) comprising carcass reinforcing elements (46) having a mean laying pitch (P) strictly greater than 1.5 mm. The carcass ply (44) comprises an elastomer matrix (54) in which the carcass reinforcing elements (46) are embedded, each carcass reinforcing element (46) comprising: one filamentary element (56), and one sheath (58) coating the filamentary element (56) and comprising at least one layer (60) of a thermoplastic polymer composition.

Abstract: A pneumatic tire includes a carcass, a tread portion and a belt having a first inclined belt ply, circumferential direction belt ply, second inclined belt ply, and third inclined belt ply. With respect to a tire circumferential direction, an angle of cords of the first inclined belt ply is from 45° to 60°, an angle of a cord of the circumferential direction belt ply is 5° or less, an angle of cords of the second inclined belt ply is from 30° to 60°, and an angle of cords of the third inclined belt ply exceeds 5° and is 30° or less. The width of the third inclined belt ply is 80% or more of a ground contact width, and the cords of the second inclined belt ply and the cords of the third inclined belt ply are inclined in opposite directions with respect to the tire circumferential direction.

Abstract: A tire having a radial carcass reinforcement having at least one layer of metal reinforcing elements. The tire includes a crown reinforcement, itself radially capped by a tread. The tread is connected to two beads by two sidewalls. The reinforcing elements of at least one layer of the carcass reinforcement have at least one filamentary element and at least one sheath covering the at least one filamentary element. The at least one sheath includes at least one layer of a thermoplastic polymer composition. The thickness of rubber compound between the internal surface of the tire cavity and the point of a metal reinforcing element of the carcass reinforcement that is closest to the internal surface of the cavity is less than or equal to 3.8 mm.

Abstract: A pneumatic tire includes on a tread surface at least two circumferential main grooves extending in a tread circumferential direction, and a rib-like land portion partitioned by the two circumferential main grooves extending in the tread circumferential direction, wherein: the rib-like land portion has one or more circumferential sipes extending in the tread circumferential direction; and the rib-like land portion has one or more one-end opening lateral grooves and one or more first one-end opening sipes, the one-end opening lateral grooves extending from one of the two circumferential main grooves in a tread widthwise direction until a position connecting to the circumferential sipes, and ending within the rib-like land portion; the first one-end opening sipes extending from the other of the two circumferential main grooves in a tread widthwise direction, and ending within the rib-like land portion without connecting to the circumferential sipes.

Abstract: A tire 2 of the present invention includes a pair of fillers 20 turned up around beads 10. Each filler 20 has multiple cords made of steel and aligned with each other. In the tire 2, an outer surface of a chafer 8 has a bottom surface 26 that contacts with a seat surface of a rim 30. When a reference line M represents a straight line that contacts with the bottom surface 26 in a cross-section obtained by cutting the tire at the plane perpendicular to the circumferential direction, the bottom surface 26 has a depression 66 that is shaped so as to project radially outward of the reference line M. A ratio (D/L) of a maximum depth D of the depression 66 to a width L of the depression 66 is greater than or equal to 0.007 and not greater than 0.060.