Abstract: A method for preparing a pre-bond surface of a composite structure includes the steps of: (1) separating a peel ply, co-cured with a composite substrate, from the composite substrate; and (2) transferring an identifiable marking agent from the peel ply to the composite substrate upon separation of the peel ply from the composite substrate. Residue of the peel ply, transferred from the peel ply to the composite substrate upon separation of the peel ply from the composite substrate, is layered on the identifiable marking agent.

Abstract: A dissimilar material joined three-dimensional laminated and shaped object is shaped using a three-dimensional laminating and shaping apparatus. The three-dimensional laminating and shaping apparatus includes a material supplier that supplies materials of a three-dimensional laminated and shaped object to a shaping surface, an irradiator that irradiates the materials with a light beam, and a controller that controls the material supplier. The three-dimensional laminated and shaped object is a joined member obtained by joining dissimilar materials. The controller controls the material supplier to form a graded composition of the materials in a boundary region between the dissimilar materials of the three-dimensional laminated and shaped object.

Abstract: Provided is a method for manufacturing a sleeve printing plate capable of forming an image pattern which applies printing on an object to be printed by laser engraving without generating cracks and chippings in a printing plate made of a photosensitive resin. The method for manufacturing a sleeve printing plate by making a printing plate made of a photosensitive resin surround an outer peripheral surface of a circular cylindrical sleeve body and forming an image pattern on the printing plate by laser engraving includes the steps of: washing and cooling the printing plate with water; applying heating treatment to the printing plate at a predetermined temperature; and applying heat radiation treatment to the printing plate after the heating treatment.

Abstract: A printing system for printing on a substantially planar surface of a 3D-object includes a printer for printing on the planar surface of the 3D-object and a controller configured to control printing of the printer. The printing system further includes a mask generation module configured to generate a mask having the shape of the planar surface from a 3D-model of the 3D-object and to provide the controller with the mask to prevent printing outside the planar surface according to the mask.

Abstract: In order to reduce a density difference that appears when printing whose execution number of scan operations is changed is performed, a CPU acquires a plurality of color conversion LUTs; the CPU performs printing of each of normal portions of color patches using a reference LUT and performs printing of each of hitch portions of the color patches using a corresponding one of mutually different color conversion LUTs; the CPU allows a color patch having a small density difference to be input as a selection result; the CPU identifies a color conversion LUT corresponding to the selection result; and the CPU designates the color conversion LUT corresponding to the selection result as a color conversion LUT for the hitch portion.

Abstract: An image processing method includes a first step of matching the image to the target surface, a second step of dividing the target surface into a plurality of preliminary divided regions, a third step of acquiring a first preliminary divided region among the plurality of preliminary divided regions, a fourth step of dividing the target surface into a plurality of final divided regions, on the basis of a preliminary divided image included in the first preliminary divided region of the image matched to the target surface, and a fifth step of setting a print starting position for respective final divided images included in the plurality of final divided regions by using a boundary line that defines the plurality of final divided regions.

Abstract: A non-transitory computer readable medium stored with a predicted value output program, a predicted value output device, and a predicted value output method that can improve an accuracy of a predicted value of a value related to printing by an ink jet printer are provided. A printer controller configured to acquire and output a predicted value of a print-related value as a value related to printing by a 3D printer from 3D model data used in the printing by the 3D printer according to a print-related value prediction rule acquires an actual value of the print-related value in the printing by the 3D printer using the 3D model data (S231), and corrects the print-related value prediction rule based on a corresponding relationship of the 3D model data and the actual value acquired in S231 (S232).

Abstract: There is provided a liquid jetting apparatus including a conveyor, a liquid jet head, a carriage, a carriage moving device, and a controller. The controller carries out printing by repeating a scan-printing operation and a conveyance operation, and carries out a process of determining a jet-timing such that the jet-timing and a predetermined reference timing may deviate oppositely from each other between a print area on the upstream side and a print area on the downstream side along a scanning direction for the carriage to move in the scan-printing operation with respect to a predetermined reference position in the scanning direction, based on a value of a correction parameter. The correction parameter is set to the same value for nozzles included in an identical one of nozzle groups and to different values for the corresponding nozzles included in different ones of the nozzle groups.

Abstract: A liquid discharge head includes a plurality of nozzles from which a liquid is discharged, a plurality of pressure chambers communicating with the plurality of nozzles, respectively, a substrate in which the plurality of pressure chamber is arranged in a predetermined direction, a diaphragm provided on a first side of the substrate opposite a second side of the substrate facing the plurality of nozzles, the diaphragm forming walls of the plurality of pressure chambers, and a plurality of electromechanical transducer elements provided on the diaphragm corresponding to the plurality of pressure chambers, respectively. A groove is formed in the substrate on an end side of the plurality of pressure chambers in the predetermined direction, and the groove includes an opening that opens toward a direction opposite to the diaphragm.

Abstract: An inkjet head drive apparatus comprises a pressure chamber, an actuator, a nozzle and a drive signal output section. The pressure chamber accommodates an ink. The actuator increases or decreases volume of the pressure chamber through an applied a voltage. The nozzle is connected with the pressure chamber to eject the ink through the change in the volume of the pressure chamber. When an ejection pulse for the ejection of the ink from the nozzle is repeated for equal to or greater than three times, the drive signal output section outputs a drive signal having a driving waveform including an initial ejection pulse having a first voltage amplitude and the second ejection pulses and the pulses thereafter having a second voltage amplitude smaller than the first voltage amplitude to the actuator.

Abstract: A head unit includes a discharge section, a determination circuit, and a discharge limitation circuit. The discharge section is equipped with a piezoelectric element that is configured to be displaced in accordance with changes in potential of a drive signal when the drive signal is supplied. The discharge section is configured to discharge a liquid in accordance with displacement of the piezoelectric element. The determination circuit is configured to determine whether or not the piezoelectric element has a predetermined power storage capability. The discharge limitation circuit is configured to stop supply of the drive signal to the piezoelectric element and limit discharging of liquid from the discharge section when a result of determination is negative.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head that ejects a liquid supplied from a liquid supplier which has an engaging portion, a container that has an engaging-portion-receiving portion with which the engaging portion engages, and an attaching portion to which the container is detachably attached. The liquid supplier is detachably attached to the attaching portion with movement of the container in a state where the engaging portion has engaged with the engaging-portion-receiving portion. The engaging portion engages with the engaging-portion-receiving portion to be relatively movable in a direction which crosses a movement path of the container when the container is attached to the attaching portion.

Abstract: An inkjet printhead includes: a manifold having a plurality of ink outlets defined in a manifold surface; a plurality of printhead chips mounted to the manifold surface and aligned with the ink outlets; a PCB mounted to the manifold surface and offset from the ink outlets, the PCB being electrically connected to the printhead chips; and a shield plate covering the PCB. The shield plate has one face in thermal contact with the PCB and an exposed opposite face defining a lower surface of the printhead.

Abstract: There is provided a method for manufacturing a liquid discharge head including a liquid discharge head substrate and a flow path forming member, the liquid discharge head substrate having a base, a pressure generation portion provided at a front surface of the base to generate pressure for discharging a liquid, and a supply port for supplying the liquid to the pressure generation portion, and the flow path forming member forming a flow path for feeding the liquid supplied from the supply port to the pressure generation portion. The method includes removing a sacrificial layer by etching the base from a back surface of the base, in a state in which an end covering portion of a cover layer for covering the sacrificial layer is covered with the resin layer. The method suppresses formation of a crack in the end covering portion that covers the end portion of the sacrificial layer.

Abstract: A liquid discharge apparatus includes a plurality of pressure chambers that generate a pressure for discharging a liquid, a plurality of nozzles that communicate individually with the pressure chambers and that discharge the liquid, a common liquid chamber that includes a plurality of supply openings and that has, at an end portion side in an arrangement direction of the supply openings, a region in which flow speed of the liquid flowing toward the supply openings is higher than in another region, and a controller that controls a maintenance by expelling the liquid from the nozzles. During the maintenance, the controller controls expelling the liquid from a first nozzle to a second nozzle that is one of nozzles located on the end portion side of the first nozzle in the arrangement direction of the supply openings, in an order of the first nozzle to the second nozzle.

Abstract: An ink-jet recording apparatus of the present disclosure includes a recording portion, a cap unit, a wipe unit, and a lid member. The recording portion has a recording head. The cap unit is capable of reciprocating between a first position directly below the recording portion and a second position that is retracted in a horizontal direction from the first position, and has a cap portion that caps the recording head when at the first position. The wipe unit performs a recovery process with respect to the recording head. At the second position, the lid member is disposed above the cap unit and comes into tight contact with the cap portion.

Abstract: An inkjet recording apparatus includes: a first tank; a second tank; a recording portion including a first damper chamber and a second damper chamber; a first switch; a pump; a second switch; and a controller. The first switch is configured to be switched between a first state and a second state. The second switch is configured to be switched between a third state and a fourth state. After attachment of first and second cartridges to the inkjet recording apparatus, the controller performs an initial ink introduction including one of: a first drive process to drive the pump in a state where the first switch is in the first state and the second switch is in the fourth state; and a second drive process to drive the pump in a state where the first switch is in the second state and the second switch is in the third state.

Abstract: A liquid ejection head for ejecting a liquid, including a flow passage member, which is composed of a first resin and which is provided with a flow passage configured to come into contact with the liquid, and a plurality of resin-coated members having a core-sheath structure composed of a filler constituting an inner core and a second resin constituting an outer core, wherein the plurality of the resin-coated members are contained in the flow passage member.

Abstract: A liquid cartridge includes a first surface, a second surface spaced apart from the first surface, and a third surface extending between the first surface and the second surface, with a liquid outlet through the first surface. A circuit board is mounted on the third surface. A locking mechanism includes a locking surface that extends above the third surface, and a liquid detection mechanism includes a light access portion. The light access portion is disposed between the circuit board and the locking surface, and the circuit board is disposed between the first surface and the light access portion.

Abstract: It is difficult to reduce the number of parts of a known bottle set. A bottle set includes: a bottle having an ink container capable of containing ink, and a nozzle through which the ink in the ink container can flow out; and a lid member that is attachable to and detachable from the bottle, and can cover the nozzle in a state where the lid member is attached to the bottle. An outflow port from which the ink in the ink container can flow out is formed in the nozzle, the lid member has a sealing portion that seals the outflow port in a state where the lid member is attached to the bottle, and the sealing portion is integrally formed in the lid member.

Abstract: A liquid-consuming apparatus includes: a tank including a liquid storage chamber which stores a liquid, an inlet formed in a surface of the tank, and an outlet through which the liquid from the liquid storage chamber flows; a cap which is movable between a first position and a second position; a cover which is movable relative to the tank between a closed position and an open position; and a holding member which is connected to the cap and which holds the cap at the second position. The cap at the second position or the holding member is configured to obstruct a movement of the cover from the open position to the closed position.

Abstract: A liquid circulation device comprises a liquid chamber connected with a liquid discharge section that discharges liquid, a circulation section which circulates the liquid in a flow path containing the liquid chamber and the liquid discharge section, a liquid supply section, a pressure adjustment section and a control section that, according to fluctuation velocity of the pressure, replenishes the liquid through the liquid supply section if the detected pressure is equal to or smaller than a predetermined pressure value or lower than the predetermined pressure value and the pressure fluctuation velocity is equal to or greater than a predetermined speed or faster than the predetermined speed and adjusts the pressure of the liquid discharge section through the pressure adjustment section and the pressure fluctuation velocity is slower than the predetermined speed or equal to or smaller than the predetermined speed.

Abstract: An example of a pre-treatment fixing fluid for an offset coated medium includes calcium propionate, calcium pantothenate, tetraethylene glycol, a surfactant having an HLB less than 10, an acid, and a balance of water. The calcium propionate is present in an amount ranging from greater than 4.5 wt % to 8.0 wt %, the calcium pantothenate is present in an amount ranging from about 2.0 wt % to equal to or less than 15 wt %, and the surfactant is present in an amount ranging from about 0.01 wt % to about 1.0 wt %, each based on the total wt % of the pre-treatment fixing fluid. The acid is present in an amount sufficient to render the pH from about 4.0 to about 7.0.

Abstract: A method of printing a pattern from at least two rows of fluid ejection nozzles, said nozzles ejecting a first fluid in a multi-pass printing mode, the method comprising: dividing the pattern to be printed between the rows of fluid ejection nozzles; applying masks to the rows of fluid ejection nozzles for printing with selected nozzles of each of the rows of fluid ejection nozzles during each pass; wherein a first mask for printing from a first row of fluid ejection nozzles during an n-th pass is different from a second mask for printing from a second row of fluid ejection nozzles during said n-th pass.

Abstract: A printing system facilitates the printing of articles of manufacture. The system includes an array of printheads, a support member positioned to be parallel to a plane formed by the array of printheads, a member movably mounted to the support member, an actuator operatively connected to the movably mounted member, an object holder configured to mount to the movably mounted member, and a controller operatively connected to the plurality of printheads and the actuator. The controller is configured to operate the actuator to move the object holder past the array of printheads and to operate the plurality of printheads to eject marking material onto objects held by the object holder as the object holder passes the array of printheads. The support member and printhead array are oriented vertically to enable the printing system to be installed in a vertical cabinet that provides a small footprint in a non-production environment.

Abstract: A fabric print medium containing a fabric base substrate and a coating composition applied to the fabric base substrate. The coating composition includes a non-halogenated flame retardant agent having phosphorous-containing ingredient and nitrogen-containing ingredient at a 1:1 ratio, a water-soluble polymer binder and a water-soluble high-valence metal complex. Also disclosed are the method for making such fabric print medium and the method for producing printed images using said material.

Abstract: An ink jet recording apparatus includes an image forming unit configured to form an image containing a liquid and a coloring material on an ink receiving medium; a liquid absorbing member including a porous body that comes into contact with the image, the porous body being configured to absorb at least a part of the liquid from the image; and a plurality of pressure applying units configured to press the image on the ink receiving medium by the porous body. The plurality of pressure applying units include a first pressure applying unit configured to press the image at a first pressure and a second pressure applying unit configured to press the image having been pressed by the first pressure applying unit at a second pressure higher than the first pressure.

Abstract: Systems and methods are provided for chokes for microwave radiation. One embodiment is an apparatus that includes a choke assembly. The assembly includes a first choke plate, and a second choke plate. The assembly also includes a first layer disposed at a surface of the first choke plate. The first layer includes a material that attenuates microwave radiation via dielectric heating by converting the microwave radiation into heat, and a substance, disposed between the material of the first layer and the gap, that is transparent to the microwave radiation. The assembly further includes a second layer disposed at a surface of the second choke plate that faces the first layer. The second layer comprises the material that attenuates the microwave radiation via dielectric heating by converting the microwave radiation into heat, and the substance, disposed between the material of the second layer and the gap.

Abstract: A printing device interrupts printing a label and cutting the label of which printing was interrupted when the image printed on the label may be corrupted. The printer controller drives a printhead and conveyance unit to print labels. When the trailing end of the label paper is detected, whether or not a target label in the group of labels being printed can be conveyed so that the trailing end of said target label goes downstream from the printing position before the conveyance amount of the conveyance unit reaches a specific amount. If said conveyance is not possible, printing the target label by the printhead is interrupted, the conveyance unit is controlled to set the target label being printed to the cutting position, and the cutter mechanism is then controlled to cut the target label.

Abstract: A cutter includes a fixed blade, a movable blade, a drive motor that moves the movable blade, and a controller that drives the drive motor to move the movable blade toward the fixed blade and to cut a medium. The controller drives the drive motor such that output torque of the drive motor during a process other than a cutting process where the medium is cut becomes lower than the output torque of the drive motor during the cutting process.

Abstract: A printing apparatus and a conveying apparatus are provided. The printing apparatus is provided with a main body unit including a printing unit configured to print on a medium and legs supporting the printing unit. The printing apparatus includes a pair of holding members configured to hold both ends, in an axial direction, of a roll of media at a position vertically above a floor surface on which the main body unit is placed. The roll of media is formed by winding the medium. A drive unit is configured to rotate the roll of media held by the holding members. A guide member connected to the main body unit is configured to support the holding members moveably in a width direction X. The guide member is disposed at a position horizontally closer to the main body unit than the holding members.

Abstract: A printing apparatus performs printing on a sheet including adhesive label paper and includes a thermal head configured to perform printing on the sheet using heat, a platen roller which is positioned to face the thermal head, and configured to rotate to transport the sheet when the sheet is interposed between the thermal head and the platen roller, a heating unit configured to heat the thermal head, an output device, and a controller. The controller is configured to operate in a cleaning mode, in which the controller causes the thermal head to be heated to a predetermined temperature at which glue of the label paper is softened while the platen roller is in contact with the thermal head and rotating without transporting any sheet, and controls the output device to indicate that the thermal head has been heated up to the predetermined temperature and is ready for cleaning.

Abstract: A method for the secure protection of a portion of the surface of an official document bearing markings, in which: a transparent security layer (17) is selected, the layer including at least one semi-transparent printed image including at least one transparent binder and at least one thermochromic pigment (14, 13, 12, 11); the semi-transparent printed image reveals at least one semi-transparent visible pattern in a first non-activated state at least a first temperature, such that the markings can be seen through the image, the pattern not being visible in a second activated state at least a second temperature different from the first temperature. A device for the secure protection of a portion of the surface of an official document and such an official document are also described.

Abstract: Disclosed herein is a printable recording media including a substrate and, at least, an ink receiving layer that includes a first distinct layer and a second distinct layer that is applied on top of the first distinct layer. The first distinct layer includes an electrical charged substance and the second distinct layer includes, at least, a polymeric binder and nano-size inorganic pigment particles. Also disclosed herein is a method for making the printable recording media.

Abstract: There is provided a decorative material which hardly undergoes deterioration of a substrate even when irradiated with an electron beam, and is excellent in surface properties such as stain resistance, abrasion resistance and marring resistance. The decorative material of the present invention comprises a substrate, and a pattern layer and/or a colored layer, and a surface protective layer which are successively laminated on the substrate, wherein the surface protective layer is obtained by crosslinking and curing an electron beam-curable resin composition, and a rate of reduction in a folding endurance of a material obtained by applying the electron beam-curable resin composition onto the substrate and then irradiating an electron beam to the electron beam-curable resin composition, relative to a folding endurance of the substrate before applying the electron beam-curable resin composition thereonto is 70% or lower as measured in the CD direction (lateral direction) of the substrate.

Abstract: A sheet binding processing apparatus includes a binding device which performs a binding process on a sheet bundle stacked on a stacking unit and a sheet bundle set at a manual setting portion, the stacking unit stacking introduced sheets, a sheet bundle being set to the manual setting portion from an outside; a moving portion which moves the binding device to a first binding position for performing the binding process on a sheet bundle stacked on the stacking unit and a second binding position for performing the binding process on a sheet bundle set at the manual setting portion; and a controller which causes the binding device, in a case that the binding process is not performed on a sheet bundle stacked on the stacking unit, to wait due to the moving portion at a position different from the first binding position.

Abstract: A hand held device for manually holding a multi-page document with a U-shaped element having a ring-shaped extension at one end of an elongated leg and a shorter leg parallelly spaced therefrom by a right angle extension at the opposite end of the elongated leg whereby the shorter leg is inserted between the pages along the inner side of the multi-page document's binding and the longer leg is positioned along the outer side of the multi-page document's binding such that a person can support the multi-page document with one hand by inserting, in part, a preselected finger of one hand through the ring-shaped extension.

Abstract: A picture album can include a picture frame and has a front cover panel, back cover panel, and four side panels, all in a rectangular shape and covered by a material. The edges of the sides and the front cover have embedded magnets that allow the album to open flat and recover its original shape through engaging magnetic force when closed. Multiple picture sheets can be stored in the album using a multi-ring binder spine hardware. A display window is located on the front cover panel where a picture insertion sheet can be attached to the back of the display window by magnetic force so that a picture located in the picture insertion sheet can be viewed through the display window located on the front cover panel.

Abstract: The invention relates to an application pen for dispensing a liquid onto a surface, such as for applying a protection layer onto adhesion surfaces of a vehicle; for example, for improving adhesion in the case of adhesive applications, the application pen including a hollow body and an ampoule which is received in the hollow body, including a circumferential face, for receiving the liquid, wherein the ampoule can be broken for discharging the liquid, wherein a breaking device with an axially movable portion is provided and is realized in such a manner that a movement of the movable portion in the axial direction results in the breaking of the ampoule.

Abstract: A feeding pencil includes a pipe member, a leading tube, a tubular main body, a movable body, and a holding member. The pipe member is disposed inside the leading tube and loads a drawing material. The movable body extends in an axial direction includes a male screw formed across an entire outer periphery thereof in the axial direction. The holding member holds the movable body. The pipe member includes a female screw on an inner surface thereof. The female screw screws with the male screw. A relative rotation between the leading tube and the main body relatively rotates the pipe member and the holding member and acts a screwing action between the male screw and the female screw. The screwing action moves the movable body forward to extrude the drawing material from the pipe member.

Abstract: A writing utensil system for facilitating a pair of writing utensils to be simultaneously used includes a pair of writing utensils. Each of the writing utensils may be manipulated thereby facilitating each of the writing utensils to write. A swivel unit is provided and each of the writing utensils is removably coupled thereto. The swivel unit facilitates each of the writing utensils to be simultaneously available for writing.

Abstract: Conventional whiteboards or chalkboards on which writing is effected using Dry-Erase or chalk markers are enabled for digital conversion of the writing into the digital domain. An indoor positioning subsystem determines the absolute position of a marker with a dry-erase or another conventional writing tip within a local coordinate system to track the location of the marker on the board. Ultra wide band (UWB) is an example technology that may be used for this purpose. An inertial sensor in the marker captures sensor data generated by handwriting by sensing the movement of the marker, essentially tracking the relative positioning and motion of the handwriting. The absolute position and relative positions are then processed to generate digital handwriting which may be refined using deep learning subsystem(s) for handwriting recognition and classification for the data captured by the inertial sensor to determine the most appropriate character or shape of the writing.

Abstract: A method of manufacturing a floor board comprises the steps of supplying a panel, printing a curable substance or surface removing substance onto the panel in a predefined pattern for creating an elevation on the panel at the pattern or removing a portion of the surface of the panel at the pattern, respectively, and curing the curable substance or removing any re-action products of the surface removing substance and the panel.

Abstract: A multidirectional wheel for traversing a surface is provided that includes a magnet and a plurality of rollers disposed around an outer periphery of each of the hubs of the wheels. The rollers are mounted for rotation in a second axial direction that is perpendicular to a first axial direction of the wheel. The rollers are supported by a plurality of magnetically-inducible brackets attached to the hub. The brackets are optimally sized and shaped to reduce the space between the magnetized materials of the wheel and the surface upon which the wheel travels.

Abstract: Provided is a tire including rims, beads each mounted so as to surround each of the rims, a side wall that is connected to the beads, a sub-tread that is formed on top of the side wall and is formed of a material having elasticity so as to have a changing curvature, and plural tread blocks that are arranged on the sub-tread such that the distances between the tread blocks change in accordance with the change in the curvature of the sub-tread.

Abstract: A foldable chair includes a chair body having two front legs, two rear legs connected pivotally to the two front legs; a seat disposed on the chair body; a backrest disposed on the chair body so as to be located above the seat; four leg support elements attached respectively to bottom ends of the two front legs and the two rear legs; four casters attached respectively to bottom sides of the leg support elements; two reinforcing plates attached respectively to inner sides of the two front legs and spaced at a predetermined distance from the leg support elements; and two strengthening rigs attached respectively to the two front legs and extending into the front and rear legs to an extent beyond bottom ends so as to be located between the reinforcing plates and the leg support elements, thereby strengthening the front and rear legs.

Abstract: A traction media is provided that includes a plurality of axes having a distal origin point and proximal point termination surrounded by one or more faces thus forming a body capable of being delivered by hand or traction enhancing system to a lower surface such as the ground to provide an increased coefficient of friction between an upper surface such as a shoe or tire and the lower surface and a relative air movement duct is provided that includes a controlled path of flow through about a 90 degree angle having an intake, discharge and baffle capable of delivering traction media from a hopper/valve assembly by an air flow to a lower surface such as the ground to provide a controlled path of traction media between an upper surface such as a tire and a lower surface such as the ground.

Abstract: [Object] A pneumatic tire 2 which is excellent in durability is provided. [Solution] The tire 2 includes adhesive sheet layers 28. Each adhesive sheet layer 28 includes an interposed portion 58 and a protruding portion 60. The interposed portion 58 is interposed between a base layer 32 and a cap layer 34 of a tread 4. The protruding portion 60 is layered over a carcass 12. The adhesive sheet layers 28 are obtained by a rubber composition being crosslinked. The rubber composition contains a tackifier. A width W1 of the interposed portion 58 is preferably greater than or equal to 5 mm, and preferably not greater than 20 mm. A width W2 of the protruding portion 60 is preferably greater than or equal to 10 mm, and preferably not greater than 20 mm. A thickness of each adhesive sheet layer 28 is preferably greater than or equal to 0.5 mm, and preferably not greater than 2.0 mm.

Abstract: [Object] A motorcycle tire, for an uneven terrain, which exhibits both impact absorption and handling stability is provided. [Solution] A tire 2 includes a pair of rubber reinforcing layers 14 disposed inward of a carcass 10 near ends, respectively, of a tread surface 16. A profile of the tread surface 16 is formed by: an arc C1 that is disposed at a center, and that projects outward in a radial direction; and a pair of arcs C2 each of which is disposed outward of the arc C1 in an axial direction and each of which projects outward in the radial direction. The arc C1 contacts with the arcs C2. A radius R1 of curvature of the arc C1 is less than a radius R2 of curvature of each arc C2. Outer ends 40 of the rubber reinforcing layers 14 are disposed outward of ends TE of the tread surface 16 in the radial direction. Inner ends 42 of the rubber reinforcing layers 14 are disposed inward of the ends TE of the tread surface 16 in the radial direction.

Abstract: The pneumatic tire includes at least three circumferential main grooves extending in the tire circumferential direction and a plurality of land portions partitioned and formed by the circumferential main grooves. Also, the belt layer is formed by laminating a pair of cross belts having a belt angle, as an absolute value, of not less than 10° and not more than 45° and of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to the tire circumferential direction. Also, when viewed as a cross-section from the tire meridian direction, the distance Dcc on the tire equatorial plane from the circumferential reinforcing layer to the wear end surface and the distance De from the end portion of the circumferential reinforcing layer to the wear end surface have a relationship such that 1.06?De/Dcc.