Abstract: Methods and apparatus' for induction welding a first workpiece to a second workpiece at a welding region may include a metallic strip. The metallic strip may be a mesh. The properties of the metallic strip, such as, for example, pore size, thickness, and density, may be configured to conduct heat uniformly across the welding region and prevent eddy current formation across a workpiece. The metallic strip may be embedded in a workpiece or may be fixed to an induction welding tool that acts on the welding region during induction welding. A removable polymer tape may be disposed between a workpiece and a metallic strip fixed to an induction welding tool. The workpieces may be thermoplastic composite structures and thermoplastic composite stiffeners in aircraft structures.

Abstract: A bond tester apparatus arranged for determining a strength of a bond and/or a material present on a base, said bond tester apparatus comprising a force measurement module for applying a shear force to said bond and/or said material, and a displacement module and a controller arranged for controlling the distance between the force measurement module and the displacement module such that the shear height of a shear tool can be set.

Abstract: A method of forming a composite product is described. An example of the method comprises providing a layer (34) comprising a sheet-form moulding material and providing a substrate (36). The layer of sheet-form material is applied onto a surface of the substrate (36); and pressed to the substrate in a mould (30). In some examples, the substrate (36) is an open celled foam and gas and/or vapour can be displaced from the pressing region.

Abstract: Systems and methods are provided for handling objects. One embodiment is an apparatus for handling objects. The apparatus includes a vacuum securement head. The vacuum securement head includes a strongback, and an array of end effectors arranged at the strongback in conformance with a contour. The contour is complementary to a pickup tool. The array of end effectors is configured to pickup objects at the pickup tool. The vacuum securement head also includes an impermeable membrane that is penetrated by the end effectors, and a vacuum system configured to provide suction through the end effectors. The suction is configured to remove air between the impermeable membrane and a rigid tool, and offset air leaks between the impermeable membrane and the rigid tool.

Abstract: A shaped preform component (200A) for a spoke portion (108A) of a composite wheel (100), the shaped preform (200A) comprising: an elongate body (215) configured to be located in a spoke (108) of a composite wheel (100), wherein the shaped preform component (200A) is formed from a cured composite fibre material having a compressibility of <2% volumetric under moulding conditions of 50 bar hydrostatic pressure and a temperature of 60 to 150° C., and wherein the density of the cured composite fibre material is selected to form a counterbalance mass for a mass addition (300) to the composite wheel (100).

Abstract: Described are methods and systems for repair of composite components without the use of vacuum bagging. The systems described herein include a composite repair structure with a repair laminate and a film sealant. The film sealant covers the repair laminate to prevent intrusion of air and other volatiles during bonding of the composite repair structure to the composite being repaired. As the film sealant prevents intrusion of air and other volatiles, the composite repair structure can be bonded to the structure to be repaired without the use of a vacuum bag. Thus, vehicle components can be repaired without disassembly from the vehicle.

Abstract: A green tire includes a plurality of sheets of green rubber having a substantially circular shape, with each sheet having a tread region disposed along a circumference. A plurality of objects are sandwiched between adjacent sheets of green rubber in the tread region. Each object is constructed of a material selected from the group consisting of steel, polyester, nylon, carbon fiber, aramid, fiber glass, cotton, hemp, polyurethane and other plastic, other synthetic or natural fibers and other metal materials.

Abstract: A tire vulcanization mold includes a molding surface for molding a tire during vulcanization molding. The molding surface can include a first region in which a plurality of recesses for forming a plurality of projections on a surface of the tire can be provided. In the first region, at least two of the recesses can be arranged per mm2. Each of the recesses can include a side wall surface, a bottom surface, and a virtual recess central axis extending in a depth direction of the recess. In a cross-sectional view of the recess including the recess central axis, the bottom surface can include a bottom projection projecting outward in the depth direction, and the side wall surface can include an arc-shaped surface smoothly connected to the bottom surface.

Abstract: A system, apparatus, and method for control of pressure in a tire curing press bladder. The present invention learns from a previous duty cycle by saving the data from those duty cycles. The data is analyzed, and program outputs are optimized for execution of the subsequent cycle. The pressure in the tire bladder is more accurately controlled to achieve desired set point values and significantly reduce overshoot and undershoot conditions. The system may be implemented with an appropriately programmed programmable logic controller (PLC).

Abstract: A press machine comprises a moveable press ram, an actuator, a first motor system, a second motor system, and a belt system. The moveable press ram holds a tool that forms a part. The actuator linearly moves the moveable press ram by use of a male-female thread mechanism. The actuator includes an actuator sprocket coupled to the male-female thread mechanism. The first motor system produces a high-force linear movement condition to the press ram, and includes a clutch coupled to a first motor and a first motor sprocket coupled to the clutch. The second motor system produces a high-speed linear movement condition to the press ram. The belt system couples the actuator sprocket, the first motor sprocket, and the second motor sprocket. The clutch allows the first motor to partially or fully disengage from rotational movement of the first sprocket when the belt is being driven by the second motor.

Abstract: A filling unit for filling cavities in a tablet press with a feedstock to be pressed, particularly a powder, having a filling assembly including a fill chamber. The fill chamber is arranged in the installed condition between a die table containing the cavities and a punch support including at least one punch. The fill chamber has at least one inlet opening for filling the fill chamber with raw material and at least one outlet opening for filling the cavities of the tablet press with feedstock to be pressed. The filling chamber has at least one mixer for mixing the raw materials of the feedstock to be pressed arranged at least partially in the fill chamber and at least one delivery unit for filling the cavities of the tablet press with feedstock to be pressed.

Abstract: An apparatus and method for baling plant materials such as grasses, leaves and pine straw a hydraulic power unit, a conveyor operatively coupled to the hydraulic power unit, a hopper for depositing the material on a proximal end of the conveyor and a baler operatively coupled to the hydraulic power unit and arranged for receiving a material from the conveyor. The power unit, conveyor and baler are supported on a trailer. An electronic control system is operatively coupled to the hydraulic power unit, the conveyor and the baler for automatically suspending operation of the conveyor when the baler contains a sufficient amount of material for initiating bundling of the material and automatically resuming operation of the conveyor following dispensing of a bundle of the material from the baler.

Abstract: A carton blank feeding and shuttle machine includes a first driven belt supported by a first plurality of pulleys and a second driven belt supported by a second plurality of pulleys, a first rod attached to the first driven belt and a second rod attached to the second driven belt. Each of the rods extend across the first and second opposing sides. At least one controller controls motions of (a) the first driven belt and (b) the second driven belt, and a plucking head is supported by the first and second rods such that the first and second driven belts create common motion to move the plucking head along a transport path and relative motion to extend and retract the plucking head. A linkage assembly includes a plurality of links configured to move a plucking head along a shaft in response to movements of the first and second belts.

Abstract: A process for making a container includes the step of providing at least one of a slider, sticker, textured surface, pattern, or embossed surface along a folded web of thermoplastic material that comprises a plurality of container templates. The process also includes the step of picking up, with a turner, each container template. The turner includes one or more rotator assemblies that include a rotatable shaft and a bag-contacting surface connected to an end of the rotatable shaft. The bag-contacting surface is configured to engage a top exterior side of each container template. Additionally, the process includes the step of reorienting, with the turner, each container template. The rotatable shaft is configured to horizontally translate and rotate each container template.

Abstract: A Coiling device for spirally rolling-up a three-dimensional cushioning material made by a cushion forming device from a web-type source material (e.g. a roll or a Leporello-stack) of paper, can include a reel having at least two deflectors, and having a rotational axis extending in vertical direction. The deflectors can be a mandrel, hook, deflector edge, or the like.

Abstract: An apparatus for the production of a cushion product from a single or multi-layer continuous paper strip includes a chute-like preforming station for the compression of a paper strip in the transverse direction and a deformation station following the preforming station in the feed direction of the paper strip having two embossing rollers engaging into each other in a deformation area in order to form the paper strip to a cushion product with at least one crumple hollow space extending in the longitudinal direction. The preforming station has a lifting unit and is positioned upstream in the feed direction of the embossing rollers for lifting a central area of the paper strip.

Abstract: A composite material structure includes a first metal member and a second metal member bonding to the first metal member. A bonding surface is formed therebetween. A first hole is through the first metal member. A circular bonding line is formed at a junction of a wall of the first hole and the bonding surface. A sleeve protrudes from the second metal member into the first hole, and covers the bonding line. A groove indents from the first metal member. The groove has a bottom surface located in the same plane with a top surface of the sleeve. A processing method of the composite material structure is also provided. The sleeve covers the bonding line between the first metal member and the second metal member, which allows the composite material structure to provide an improved sealing performance.

Abstract: The present disclosure relates to an aluminum-based plated steel that is provided for vehicles by hot forming, an aluminum-based alloy plated steel manufactured using the same, and method of manufacturing thereof.

Abstract: A hot-stamped article according to the present invention has a plating layer being attached to a single surface in an amount of 10 g/m2 or more and 90 g/m2 or less and having a Ni content of 10 mass % or more and 25 mass % or less with a remainder including Zn and impurities on a surface of a base steel sheet having a predetermined chemical composition, in a surface layer region, a metallographic structure includes 80.0% or more of martensite and 8.0% or more of residual austenite in terms of area percentage, and the concentration of Ni in the surface layer region is 8 mass % or more.

Abstract: Object: The present disclosure provides a film having a low gloss appearance and excellent scratch resistance, and a surface coating composition that can be used in the production of such a film. Resolution Means: The film of one embodiment of the present disclosure includes a scratch resistant surface layer containing a binder containing a urethane resin, urethane resin beads having an average particle diameter of 3 ?m to 30 ?m, hard particles having an average particle diameter of 5 ?m to 45 ?m; and nanosilica particles. The surface layer contains the hard particles in an amount of 30 parts by mass to 500 parts by mass per 100 parts by mass of the binder. The gloss of the surface layer is approximately 5.5 GU or less at 60 degrees.

Abstract: A high-performance multilayer films for packaging and the structure of the multilayer film is as follows: PO2/POY/PO1/POX/PO3 and PO2/POY/PO1/TIE2/PO3. The multilayer film is obtained by multilayer coextrusion and biaxial stretching. The total thickness of the multilayer film is 8 to 100 micrometers; the absolute values of the differences of the solubility parameters between the PO1 layer and the PO2 layer and between the PO2 layer and PO3 layer is greater than 0.5 (J·cm?3)1/2, and the absolute value of the difference of the cohesive energy density is greater than 5 J/cm3.

Abstract: A hot-melt adhesive resin film includes a first adhesive layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second adhesive layer, which are laminated in this order, in which the first adhesive layer and the second adhesive layer include an acid-modified polyolefin resin.

Abstract: Provided is a stretchable film including an elastomer layer, and a surface layer provided on any one or both of a first surface and a second surface of the elastomer layer, in which the surface layer contains one or more polypropylene-based resins selected from the group consisting of block polypropylene, which is a copolymer with ethylene, and random polypropylene, which is a copolymer with ethylene, and calcium carbonate, a content of the calcium carbonate in the surface layer is 10% to 75% by mass with respect to a total mass of the surface layer, a thickness of the elastomer layer is 20 ?m to 55 ?m, and a thickness of the surface layer is 0.4 ?m to 5.0 ?m.

Abstract: A molded article of polypropylene-based resin expanded beads, obtained by in-mold molding of the polypropylene-based resin expanded beads, each bead including: a core layer, in a foamed state, having a polypropylene-based resin; and a covering layer, which covers the core layer, having a polyethylene-based resin. A molded article magnification X [times] of the molded article is 55 times to 90 times, a value of a product X·?50 of a 50% compressive stress ?50 [kPa] and the molded article magnification X is 6500 or more, and a 5% compressive stress ?5 of the expanded beads molded article is 5 kPa to 25 kPa.

Abstract: The present invention relates to a multilayer blown film including at least one skin layer (A) including a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) including a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) including either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).

Abstract: A method for preparing a bifunctional film, including: (a) drying a first polymer solution to form a film to form an anti-adhesion layer, and (b) drying a second polymer solution over the anti-adhesion layer to form a film to form an attachment layer. The first polymer solution includes a first hydrophobic solution and a first hydrophilic solution, and in the first polymer solution, the weight ratio of the solute of the first hydrophobic solution to the solute of the first hydrophilic solution is 1:0.01-1. Moreover, the second polymer solution is composed of a second hydrophilic solution.

Abstract: The invention relates to the use of layer structures in the production of rotor blades for wind power plants, and to rotor blades for wind power plants.

Abstract: A vehicle constituent member and a manufacturing method for manufacturing the vehicle constituent member are provided. The vehicle constituent member includes: a body portion made of metal and having a vertical wall; a reinforcing member made of fiber reinforced resin and having a sheet shape, the reinforcing member being disposed on a surface of the vertical wall; and an adhesive layer provided between the surface of the vertical wall and the reinforcing member and connecting the vertical wall and the reinforcing member, the adhesive layer being configured such that a thickness of a part of the adhesive layer becomes thinner as the part of the adhesive layer is distanced outwardly from a surface end of the reinforcing member, the part of the adhesive layer being disposed outwardly from the surface end of the reinforcing member.

Abstract: An insulation panel has a top barrier, a bottom barrier, and an insulation core layer disposed between to the top and bottom barriers. The insulation core layer includes a plurality of discrete hydrated compressed puffed polysaccharide particulates that are mechanically and/or chemically adhered to one another and to the top and bottom barriers. The plurality of discrete particulates defines a plurality of voids within the core layer.

Abstract: The invention relates to an adhesive system comprising a fabricated structure having alternating regions that are unpatterned and patterned along its longitudinal length. Patterned regions have at least one subregion with a non-linear cut relative to the transverse direction across the width of the structure. The geometry, location of the subregion(s), number of nonlinear cuts, and other parameters allow tuning as well as pinpoint programming of the adhesive properties either along the entire width and length or the strip or just at pinpointed subregions of the strip. Such tuning can include not only adhesive strength, but its adhesive strength in certain peeling directions.

Abstract: A hydrophobic film is provided. The hydrophobic film includes a flexible substrate; a hydrophobic layer located on the flexible substrate, a heating layer, a first electrode and a second electrode spaced apart from the first electrode. The hydrophobic layer comprises a base and a patterned bulge layer on a surface of the base away from the flexible substrate. The heating layer is on a surface of the flexible substrate away from the hydrophobic layer. The first electrode and the second electrode are electrically connected to and in direct contact with the heating layer.

Abstract: A composite molded cargo body panel including a core, an interior skin secured to a first side of the core having a thickness, and exterior skin secured to a second side of the core, and a plurality of recesses. The plurality of recesses are dispersed along a first direction at intervals in the interior skin, with the core thickness at each of the plurality of recesses being reduced compared to a maximum core thickness, and each of the plurality of recesses defines a support surface. A pocket is formed in each of the plurality of recesses, with the core thickness at the pocket being less than the core thickness at each of the plurality of recesses. A plurality of logistics inserts are attached to the respective support surfaces of the plurality of recesses so that, at each of the plurality of recesses, the logistics insert extends across the pocket.

Abstract: A method for the generation of a gas mixture comprising carbon monoxide, carbon dioxide and optionally hydrogen for use in hydroformylation plants or in carbonylation plants, including mixing an optional steam with carbon dioxide in the desired molar ratio, feeding the resulting gas to a solid oxide electrolysis cell (SOEC) or an SOEC stack at a sufficient temperature for the cell or cell stack to operate while effecting a partial conversion of carbon dioxide to carbon monoxide and optionally of steam to hydrogen, removing some or all the remaining steam from the raw product gas stream by cooling the raw product gas stream and separating the remaining product gas from a liquid, and using said gas mixture containing CO and CO2 for liquid phase synthesis reactions utilizing carbon monoxide as one of the reactants while recycling CO2 to the SOEC or SOEC stack.

Abstract: Square symmetric composite laminate structures, and sub-modules thereof, are provided, along with methods of forming the same. The square symmetric laminate structures include two or more sub-laminate modules, each comprising: a first ply set consisting of a first ply layer oriented at a first angle and a second ply layer oriented at a second angle, a first sum of the first and second angles being ninety degrees; and a second ply set consisting of a third ply layer oriented at a third angle and a fourth ply layer oriented at a fourth angle, a second sum of the third and fourth angles being ninety degrees; wherein the second ply layer is positioned adjacent the third ply layer and the second and third ply layers are both positioned intermediate the first and fourth ply layers, thereby defining a double-double helix arrangement of the respective ply layers. Associated methods are also provided.

Abstract: The present invention provides stretchable laminates with a flat appearance on the visible surface. The laminates comprise a textile layer, a functional layer, and a plurality of elastic fibers. The plurality of elastic fibers are in a substantially parallel arrangement and the internal distance between adjacent fibers does not exceed the maximum fiber spacing, which depends on laminate thickness in a stretched state. Also provided are garments and footwear comprising the stretchable laminates and methods of producing the stretchable laminates.

Abstract: Provided is a composite material for footwear. The composite material comprises a first carbon fiber layer, a second carbon fiber layer, and an intermediate layer. The first carbon fiber layer comprises carbon fibers. The second carbon fiber layer comprises carbon fibers, and the second carbon fiber layer is disposed above the first carbon fiber layer. The intermediate layer comprises liquid crystal polymer fibers; and the intermediate layer is disposed between the first carbon fiber layer and the second carbon fiber layer. The composite material for footwear has good bendability and good wear resistance to enhance the quality of the sole or shoe boards made from the composite material.

Abstract: Disclosed is a dispersible adhesively bonded wet tissue laminate and more particularly a dispersible wet wipe comprising two or more adhesively bonded tissue plies. Generally, the wipe comprises first, and second tissue plies adhesively bonded to one another by an adhesive, particularly a triggerable binder, disposed at the interface of the plies. The first and second tissue plies preferably comprise fibrous tissue plies and more preferably wet-laid tissue plies consisting essentially of conventional papermaking fibers. The adhesively bonded laminates are generally strong enough to withstand use, such as having a geometric mean wet tensile strength (GMWT) greater than about 250 g/in, but disperse quickly in water, such as having a Slosh Time less than about 60 minutes.

Abstract: A multilayer material, including a first polymer foam layer having a density of less than 481 kg/m3, a compression force deflection of 5 to 1,035 kPa, at 25% deflection determined in accordance with ASTM D3574-17, and a thickness of less than 3.5 millimeters; and a second polymer foam layer having a density of greater than 240 kg/m3, wherein the density of the second polymer foam layer is at least two times greater than the density of the first polymer foam layer, and a thickness of less than 0.3 millimeters, wherein the thickness of the first polymer foam layer is at least two times greater than the thickness of the second polymer foam layer; wherein the first polymer foam layer and the second polymer foam layer include a flame retardant composition, and wherein the multilayer material has a thickness of 3.5 millimeters or less, and a UL-94 rating of V1.

Abstract: A floor panel including a top layer and a substrate, where the substrate at least one first layer of a first thermoplastic material and a second layer of a second thermoplastic material, where the second layer is adjacent to a first side of the first layer. The first layer is characterized by a first colour with luminance value L1 in the HSL colour space and the second layer is characterized by a second colour with luminance value L2 in the HSL colour space, where L1 is different from L2.

Abstract: Printing machine of the blocking press type, comprising a heating block which comprises a curved carrier medium surface of a printing plate, an application head comprising means of guidance of the heating block in a tilting motion, and an actuator for tilting of the heating block relative to the application head.

Abstract: A hot foil stamping press has a pressing system for pressing a foil onto a sheet, a blow unit which is positioned at a distance to the pressing system for directing a stream of gas between the sheet and the foil. The stream of gas to detaches the foil from the sheet after each stamping cycle. A gripper bar is arranged between the blow unit and the pressing system for gripping the sheet. A flow guiding element is arranged between the blow unit and the pressing system, preferably on the gripper bar, for directing the gas from the blow unit between the sheet and the foil. Said element avoids the losses in the stream of gas due to the aperture that exist between the grippers in a typical gripper bar.

Abstract: A printing pad machine that can print a 360 degree image on a cylindrical object. That objective is achieved by modifying a conventional printing pad machine. The modifications include using a single angled print pad having a contact wall having a first height, a lower wall having a second height that is less than the first height, an angled surface interconnecting the contact wall's distal end and the lower wall's distal end, and a base wall interconnecting the contact wall's proximal end and the lower wall's proximal end and connectable to a base. Another modification includes a flexion-extension hinge positioned between the support member and the base or the support member and the overhead gantry and controlled by the adjustable and moveable actuator system and power source. That objective can be accomplished with the conventional printing pad machine using the single angled print pad.

Abstract: A conditioner includes a pressure roller assembly, a tension roller assembly, a heating element, a pressure roller drive motor, a tension drive motor, and a controller. The heating element heats the pressure roller assembly. The pressure roller drive motor rotates the pressure roller assembly. The tension drive motor rotates the tension roller assembly. The controller receives a print job complete notification to initiate a conditioner shutdown. In response to the print job complete notification, the controller turns off the tension drive motor. The controller sets the heating element to a predetermined temperature and waits a first predetermined period. In response to the first predetermined period elapsing, the controller turns off the heating element. With the heating element turned off, the controller turns off the pressure roller drive motor.

Abstract: There is provided a method of cleaning a print roller and a system for performing the same. The method comprises providing an ultrasonic cleaning bar having at least one ultrasonic energy source. The ultrasonic cleaning bar is engaged with an ink-carrying surface of the print roller, the ultrasonic cleaning bar and the ink-carrying surface defining a trough therebetween for containing a cleaning fluid. A cleaning routine is executed, the cleaning routine comprising: filling the trough with the cleaning fluid so that the cleaning fluid contacts the ink-carrying surface; activating the ultrasonic energy source for a period of time to remove contaminants from the ink-carrying surface of the print roller so that the contaminants become suspended in the cleaning fluid; and draining the suspension of cleaning fluid and contaminants from the trough. The method comprises executing the cleaning routine at least two times in succession before cleaning of the print roller is complete.

Abstract: A printing method includes discharging ink to a substrate, heating a non-ink-discharged side of the substrate at T1, and heating an ink-discharged side of the substrate at T2, wherein the ink contains an organic solvent A (boiling point lower than 250 degrees C.), an organic solvent B (boiling point of 250 degrees C.), and a resin, where 0 degrees C. C?T2?T1?90 degrees C. is satisfied, the proportion (organic solvent A/ink) is 30 percent by mass or less, the proportion (organic solvent B/ink) is 1 to 3 percent by mass, the proportion (resin/ink) is 5 to 15 percent by mass, the ink has a viscosity of 8.0 to 11.0 mPa-s at 25 degrees C. and 5.5 to 11.0 mPa-s at 36 degrees C., and a 2.5 ?L ink droplet discharged to the substrate shrinks to 0.1 ?L within 10.0 seconds at 25 degrees C.

Abstract: In an example, an apparatus includes an air treatment part to reduce the amount of a component comprised in air in the air treatment part and to supply treated air to a curing part, the air treatment part comprising a catalytic oxidizer to oxidize the component. The apparatus also includes the curing part to receive treated air from the air treatment part and to expose an item printed with a printing fluid comprising the component to the received treated air. The apparatus includes an air circulation system to cause the treated air to flow from the air treatment part into the curing part and to cause air from the curing part to flow into the air treatment part.

Abstract: A printing device includes a transport roller performing a first transport that transports recording paper drawn from roll paper in a transport direction and a second transport that transports the recording paper in a direction opposite to the transport direction, a cutter having a first blade configured to move between an advanced position and a retracted position, and a second blade for cutting the recording paper together with the first blade moving from the retracted position to the advanced position, and a guide member provided downstream of the first blade in the transport direction and guiding the recording paper during the second transport.

Abstract: An example printer including: a platen roller; a bushing connected to the platen roller, the bushing having a wing extending radially from the bushing; and a lower frame including: a channel to receive the platen roller in an operational position in which the platen roller is configured to feed media for a print head of the printer; an end piece defining an end of the channel, the end piece having an opening to receive the bushing when the platen roller is in the operational position; and a tab on the end piece, the tab positioned to interface with the wing of the bushing to secure the bushing in the opening such that the platen roller is maintained in the operational position within the channel.

Abstract: A liquid discharge apparatus includes a head, processing circuitry, and a memory. The head includes a plurality of nozzle rows in each of which a plurality of nozzles are arranged. The processing circuitry detects landing positions of the liquid discharged from the plurality of nozzle rows and corrects the landing positions of the liquid based on a result of detecting the landing positions of the liquid. The memory stores data related to a relation among the landing positions of the liquid. The processing circuitry detects landing positions of the liquid discharged from one representative nozzle row. The processing circuitry corrects landing positions of the liquid discharged from all of the plurality of nozzle rows based on a result of detecting the landing positions of the liquid discharged from the one representative nozzle row and the data related to the relation among the landing positions stored in the memory.

Abstract: There is provided a head unit including: a substrate on which a first driving circuit is disposed; a heat sink fixed to the substrate; and heat conductive elastic bodies positioned between the substrate and the heat sink, in which the first driving circuit includes a first integrated circuit, a first amplifier circuit including a first transistor, and a first smoothing circuit that outputs the first driving signal, in which a first heat conductive elastic body is in contact with the heat sink and the first integrated circuit, a second heat conductive elastic body is in contact with the heat sink and the first transistor, and the first heat conductive elastic body and the second heat conductive elastic body are in a form of a gel having flame retardancy and electric insulation property.