Abstract: Provided is a color contact lens including a hydrogel and a micro-pattern in which a plurality of photonic crystal structures included in the hydrogel are dispersed. The color contact lens is capable of realizing colors without using a coloring agent. Also, the color contact lens according to the present invention has advantages in that no color distortion or change occurs even when the contact lens is swollen.

Abstract: A method for managing the production cycle of a plant for building tyres for vehicle wheels, wherein the plant provides for a storage region (11) for anchoring annular structures (6) and a plurality of processing stations (10) at least one of which is associated with a forming drum (13), comprises feeding a plurality of anchoring annular structures (6) to the storage region (11), picking up the anchoring annular structures (6) from the storage region (11) at a predetermined picking-up position that does not change on changing of the types of the anchoring annular structures (6), feeding the picked-up anchoring annular structures (6) to the processing station (10) associated with the forming drum (13).

Abstract: Process and an apparatus for applying noise-reducing elements to a tyre for vehicle wheels that has a radially inner surface with a service area and having a circumferential dimension. The process determines the position in circumferential direction of the service area on the radially inner surface of the tyre, determines the position in circumferential direction of a target area on the radially inner surface of the tyre based on the position in circumferential direction of the service area, and applies a noise-reducing element at the target area. The position in circumferential direction of the service area is determined by circumferentially inspecting the radially inner surface of the tyre starting from a reference position, detecting the angular position of the service area with respect to the reference position and determining the position in circumferential direction of the service area based on the angular position and on the circumferential dimension of the radially inner surface of the tyre.

Abstract: A bead wrapping system for wrapping a strip around a tire bead may include one or more of the following components: an expandable chuck, a strip handling system, and a former assembly. At least one of the strip handling system and the former assembly may be movable radially relative to a central gear of the expandable chuck in response to rotation of the central gear.

Abstract: A bead core of the present disclosure is an annular bead core, a cross-sectional shape of the bead wire is non-circular, in axial cross-sectional view, in the axial cross-sectional view, the bead wire has a periphery coated with a resin material, and the resin material is interposed between the bead wires. A manufacturing method of the bead core of the present disclosure is a manufacturing method to obtain the above bead core, comprising: a winding step of winding a plurality of times one or more resin-coated wires each comprising a bead wire having a non-circular cross-sectional shape and being coated with a resin material, and a joining step of joining the resin materials of the adjacently wound resin-coated wires to each other. A pneumatic tire of the present disclosure comprises a pair of bead portions, and the above bead core in each of the pair of bead portions.

Abstract: Disclosed herein are an electric press and a method for calibrating the electric press, which can implement a rapid calibration operation. An electric press (10) includes a ram location information storage unit (63) and a load control unit (64). The ram location information storage unit (63) stores ram location information, corresponding to actual load values and representing locations to which a ram is moved, in advance. The load control unit (64) applies an actual load, corresponding to at least one location which belongs to the locations represented by the ram location information and to which the ram is moved, to a compression target by moving the ram to the location. Accordingly, the load value output by the detection unit is calibrated based on the actual load value applied to the compression target.

Abstract: The disclosure relates to a wood material panel pressing device for pressing a fibrous press cake in order to produce a wood material panel including an inspection device that is designed to emit a signal in the event of a disruption. According to the disclosure, the wood material panel pressing device for pressing a fibrous press cake for producing an HDF panel or an MDF panel includes: an inspection device, which is designed to emit a signal in an event of a disruption, wherein: the inspection device has a camera and an evaluation unit, the camera is arranged in an intake region of the wood material panel pressing device; and the evaluation unit automatically emits a signal in an event of a blow-out of press cake particles.

Abstract: A pressing arrangement (100) is disclosed. The pressing arrangement (100) comprises a pressure vessel (2) and a furnace chamber (18) arranged within the pressure vessel (2). The furnace chamber (18) is at least partly enclosed by a heat insulated casing (6, 5 7, 8) and arranged so that pressure medium can enter and exit the furnace chamber (18). The pressing arrangement (100) comprises a plurality of pressure medium guiding passages (10, 11) in fluid communication with the furnace chamber (18) and arranged to form an outer cooling loop within the pressure vessel (2). The pressing arrangement (100) comprises a heat absorbing element (20) which is arranged within the pressure vessel (2) and which is 10 configured to absorb heat from pressure medium having exited the furnace chamber (18).

Abstract: In a method for manufacturing a fibrous paper-plastic disc-shaped product, a pulp sheet is prepared, sent to a cutting machine, and cut into a primitive sheet. The primitive sheet is formed by at least one primitive material for manufacturing a desired fibrous product and has a surface coated with a solution containing an additive. The primitive sheet is set still to achieve an osmotic balance inside the primitive sheet, and passed through a hot-press machine for hot pressing to press and dry the primitive sheet into a dry molded plate. Each primitive material of the original primitive sheet is pressed into a shape of the desired fibrous product to form a dry molded product. Finally, the dry molded plate is sent to a trimming machine for trimming and cutting, so that each dry molded product on the dry molded plate is formed into the fibrous product.

Abstract: A printing apparatus includes: a conveyor configured to convey a printing medium; a printing device configured to perform printing on the printing medium conveyed by the conveyor; a connector configured to accept a connecting cable connectable to a code reader; a storage configured to store setting information indicating a setting of the code reader; and a controller configured to control the conveyor and the printing device. The controller being configured to execute a setting-code-printed-material creating processing in which the controller controls the conveyor and the printing device to create a setting-code printed material by printing a setting code corresponding to the setting information stored in the storage, on the printing medium.

Abstract: A device (1) for dispensing a cushioning and packaging element from at least one strip of paper includes at least two guides (2) around which at least one strip of paper is wound. The device (1) also includes at least one drive element for driving the at least one strip of paper. The device (1) further includes at least one creasing device (4) for creasing the at least one strip of paper. The guides (2) extend beyond the at least one creasing device (4), downstream of the at least one creasing device (4).

Abstract: The invention relates to a floorboard (1, 2) which has a carrier plate (3) having a top-side veneer (4), in particular a wood veneer. The carrier plate (3) and the veneer (4) are connected to each other via a resin (6). There is an edge strip (14, 15) at least on two side edges (12, 13) of the veneer (4). Said edge strip (14, 15) consists of resin (6). Carrier plate (3) and veneer (4) having the resin (6) are hot-compressed to each other. During compressing, pores, cracks, and/or gaps in the veneer (4) are filled with resin (6).

Abstract: The present invention provides tissue webs and products having improved z-directional properties. The improved z-directional properties may be achieved by providing the structure with a unique three-dimensional surface topography, which increases the structure's Exponential Compression Modulus (K) and Caliper Under Load (C0). By improving both K and C0, the present inventors have also been able to provide tissue structures with relatively high Compression Energy (E), which enables the structures to be calendered at high loads without significant loss of sheet bulk or degradation of strength.

Abstract: A task is to provide a multilayer structured cloth and a fiber product which are excellent in lightweight properties for bulkiness, impressive soft texture, high cushioning properties, low draping properties, and sweat absorbing and quick drying properties, and the task is achieved by a multilayer structured cloth including front and back ground structure portions, a connecting yarn which connects the front and back ground structure portions to each other, and an insert yarn, wherein at least one of the front and back ground structure portions contains a crimped fiber or a spun yarn.

Abstract: Ion-doped two-dimensional nanomaterials are made by inducing electronic carriers (electrons and holes) in a two-dimensional material using a captured ion layer at the surface of the material. The captured ion layer is stabilized using a capping layer. The induction of electronic carriers works in atomically-thin two-dimensional materials, where it induces high carrier density of at least 1014 carriers/cm2. A variety of novel ion-doped nanomaterials and p-n junction-based nanoelectronic devices are made possible by the method.

Abstract: The present disclosure provides a panel, comprising a first outer skin consisting of a metal facing, at least two thermal insulation layers, with at least one of which consisting of a rigid polyurethane or polyisocyanurate foam, and at least one reinforcement layer spaced apart from the two outer skins and between two thermal insulation layers. It further provides a process for preparing the panel.

Abstract: Fiber reinforced composites are made by infusing a mass of reinforcing fibers with a resin composition (11). A thin sheet (6) of nano-sized monofilaments (7) is applied on at least one major surface of a fiber mass. The resin composition (11) is subsequently hardened to form the composite. This method produces a composite having a very smooth surface. Printout of the reinforcing fiber is greatly reduced without the need to mask it through the application of thick coatings or additional layers of material.

Abstract: The present disclosure includes thin, high-stiffness laminates, portable electronic device housings including the same, and methods for making such laminates and portable electronic device housings. Some laminates include two or more laminae, each having fibers dispersed within a matrix material, wherein the laminate has a width, a length that is perpendicular to the width, the length being between approximately 1.25 and approximately 1.80 times the width, a thickness that is perpendicular to each of the width and the length, the thickness being between approximately 1.0 mm and approximately 1.5 mm, and a first flexural rigidity along the width and a second flexural rigidity along the length, the second flexural rigidity being 10 to 30 times the first flexural rigidity.

Abstract: An impact-resistant composite structure includes a first fabric, a second fabric layer, a non-woven fabric, a fiber resin layer and a polymer adhesive. Wherein the first fabric includes an outer texture surface and an inner texture surface opposite to each other and a thickness between them is not less than 2.0 mm. The second fabric layer includes a front texture surface and a rear texture surface and a fiber tensile strength of them is not less than 10 g/d. The non-woven fabric is disposed between the inner texture surface of the first fabric and the front texture surface of the second fabric layer. The fiber resin layer have a roughened surface adhered to the rear texture surface of the second fabric layer. The polymer adhesive bonds the first fabric, the non-woven fabric, the second fabric layer and the fiber resin layer.

Abstract: A filament network for a composite structure may include a number of fiber layers, wherein each fiber layer includes a fiber bundle and a filament layer at least partially covering the fiber bundle, the filament layer including discontinuous filaments including at least one of different length filaments including first length filaments and second length filaments, wherein the first length filaments include a first length and the second length filaments include a second length, and wherein the first length is different than the second length and different type filaments including first type filaments and second type filaments, wherein the first type filaments include a first material composition, wherein the second type filaments include a second material composition, and wherein the first material composition is different that the second material composition, and a resin binding the number of fiber layers together.

Abstract: A shaped object includes a thermally expandable sheet including (i) a base, (ii) a thermal expansion layer disposed on a first surface of the base and including a thermally expandable material, and (iii) a thermal conversion member disposed on at least one of a second surface of the base or the thermal expansion layer, and including a thermal conversion material for conversion of electromagnetic waves into heat. The thermal conversion member further includes thermal conversion layers disposed on an entire region corresponding to an expansion region for expansion of the thermal expansion layer. At least part of one of the thermal conversion layers is disposed at a location separated from an adjacent other thermal conversion layer.

Abstract: A method for manufacturing a substrate having a resin layer, including, in this order: (1) providing the resin layer formed on a support, the support being larger than the outer size of the substrate; (2) bonding the resin layer supported on the support to the substrate; (3) removing an end portion of the resin layer disposed on the end portion of the support and in no contact with the substrate, by a solvent capable of dissolving the resin layer; and (4) peeling off the support from the resin layer.

Abstract: Described herein are single- and multi-layer cold-sintered ceramic composites and processes for making them from inorganic compounds embedded within the cells of open cell non-ceramic substrates. The cold sintering process and diversity of microarchitectures based upon the open cell substrates allow the manufacture of a wide variety of single- and multi-layer cold-sintered ceramic composites with superior strength, toughness, and resistance to crack propagation.

Abstract: The invention relates to a method for producing a steel composite in which at least two steel sheets that consist of different steel grades are placed against each other, hot rolled together, and then possibly cold rolled and in which after the rolling, the composite material, which is thus produced from at least two layers with different steel compositions, is diffusion annealed, wherein the annealing temperature is set so as to select the chemical potential of the steel materials to correspond to the following equation: ?C, material 1>?C, material 2, where material 1 has a lower carbon content than material 2 so that an uphill diffusion of carbon takes place between material 1 and material 2.

Abstract: A steel sheet for hot stamping includes a steel structure represented by an area fraction of bainite, fresh martensite and tempered martensite: 80% or more in total, and a product of a number density (pieces/?m2) of carbides and a proportion of carbides precipitated into prior austenite grains in carbides: 0.50 or more.

Abstract: A black plated resin part includes a resin substrate, an underlying plating layer formed on the resin substrate, and a black chromium plating layer formed of trivalent chromium and having a thickness of 0.15 ?m or more. The black chromium plating layer is formed on the underlying plating layer. The chromium in the black chromium plating layer is present in the form of metallic chromium, chromium oxide, and chromium hydroxide, and the black chromium plating layer exhibits a b* value of 3.0 or less based on the L*a*b* color system.

Abstract: Articles are described comprising a surface layer comprising at least one long hydrocarbon chain silane compound (C8-C36) bonded to a siliceous layer such as diamond-like glass. In an embodiment, the siliceous layer has a porosity of no greater than 10% and a thickness no greater than 1 micron. In another embodiment, the siliceous layer comprises 10-50 atomic percent carbon and the article further comprises an organic polymeric base member or a hardcoat layer. Also described are coating compositions comprising at least one C8-C17 hydrocarbon silane compound and at least one C18-C36 hydrosilane compound.

Abstract: A laminated glazing comprising a first ply of glazing material and a second ply of glazing material joined by at least one ply of adhesive interlayer material is disclosed. The first ply of glazing material comprises a sheet of glass having a first composition and the second ply of glazing material comprises a sheet of glass having a second composition different to the first composition. The laminated glazing has (i) a peripheral region extending around the periphery of the laminated glazing, the laminated glazing having a surface compression stress in the peripheral region and (ii) an edge compression, wherein the magnitude of edge compression is greater than the magnitude of the surface compression stress in the peripheral region. A method of making such a laminated is provided. A glass sheet suitable for being incorporated in such a laminated glazing is also disclosed.

Abstract: An interlayer film for laminated glass that has a one-layer structure or a two or more layer-structure includes a first layer containing a thermoplastic resin. The first layer may have a glass transition temperature of 10° C. or lower and the inter layer film may have an equivalent stiffness of 2.4 MPa or greater at 25° C.

Abstract: A resin film for laminated glass, laminated glass including the resin film, and a process for manufacturing the laminated glass are disclosed. The resin film for laminated glass comprises a resin layer comprising a polyvinyl acetal resin and a contact surface in direct contact with glass, wherein the contact surface has an Rz roughness of 25 to 90 ?m and a maximum static friction coefficient at 20° C. of 0.85 to 1.60, and the compressive elastic deformation index measured in the perpendicular direction from the contact surface at 35° C. is 40 to 310 ?m/N.

Abstract: The present application relates to an object crack repairing tool, which comprises an exhaust film adhered on the surface of an object, a push-pull suction cup capable of being attached on the exhaust film and a crack controller used for controlling the state of a crack, wherein the exhaust film is located at the crack and can seal filling liquid in the crack, the crack controller comprises a detector used for detecting the pressure and a tool head capable of propping against or being connected with the surface of the object, and a detection end of the detector is detachably connected with the tool head. Due to such arrangement of the object crack repairing tool, the degree of force and measure control can be displayed through visual data, and the state of the object crack can be accurately controlled, thereby largely reducing the working load, greatly improving the working efficiency.

Abstract: Provided herein are laminates including a flame retardant needle punch nonwoven along with methods of making and using the same. In some embodiments, the laminate comprises a first nonwoven fabric layer that is a spun bond nonwoven layer comprising polypropylene fibers; a second nonwoven fabric layer that is a needle punch nonwoven layer comprising a flame retardant; and an adhesive, wherein the adhesive adheres the first and second nonwoven fabric layers together. The laminate may be used as a filler cloth and/or in manufacturing mattresses.

Abstract: A machining system includes an application device that applies a photocurable resin to surfaces of a plurality of linear objects provided in a workpiece; a curing device that brings the linear objects, to which the photocurable resin has been applied by the application device, into close contact with each other in radial directions and that radiates light onto the photocurable resin, which has been applied to the linear objects brought into close contact, thus curing the photocurable resin; and a machining device that machines the workpiece, in which the plurality of linear objects have been bound together through the curing of the photocurable resin performed by the curing device.

Abstract: A multilayer shrink film composite is disclosed and described the shrink film comprising a first shrink film, at least one other shrink film, the at least one other shrink film being adjacent the shrink film, and a plurality of spaced apart welds between the shrink film and the at least one other shrink film. Methods of producing the multilayer shrink film are also provided.

Abstract: An inkjet printable flexible film for packaging applications is provided which includes (a) a biaxially oriented polymer film having a thickness in the range of from 8 to 70 ?m; and (b) at least one ink-receiving layer including boehmite particles and poly(vinyl alcohol) having a degree of hydrolysis of from 78 to 96 mol % in a weight ratio ranging from 6.5:1 to 20:1 coated over one surface of the biaxially oriented polymer film at a dry coating weight being in the range of from 5 to less than 25 g/m2, wherein the ink-receiving layer (b) is formed by (i) applying an aqueous coating composition including boehmite particles, an acidic dispersing agent, poly(vinyl alcohol), and boric acid and/or a borate, or (ii) applying boric acid and/or a borate in a first step and then an aqueous coating composition including boehmite particles, an acidic dispersing agent, poly(vinyl alcohol), and optionally further boric acid and/or borate.

Abstract: The present invention relates to a laminated liquid food packaging material, comprising a cellulose-based bulk material layer and outer layers of thermoplastic polymers on both sides, having a décorative print pattern arranged beneath one of the outer thermoplastic polymer layers. The invention further relates to the method for manufacturing the laminated packaging material and to a packaging container for liquid food packaging, comprising the laminated packaging material.

Abstract: Provided are surfacing films that have a surface layer having opposed first and second major surfaces, the first major surface comprising a fluoropolymer surface and the second major surface optionally comprising a nanostructured surface. A printed layer can be disposed on the second major surface and can be at least partially embedded in the nanostructured surface, if present. As a further option, the fluoropolymer surface can be microreplicated to provide a frictional surface and/or provide aerodynamic drag reduction on aircraft structures. Optionally, the delamination peel strength of the surface layer from the remaining layers can be greater than the tensile strength of the surface layer.

Abstract: A method of stripping a first substrate (1) to remove a first surface film (2) from it made of a thermoplastic polymer, the first surface film (2) having a first bond energy with the first substrate (1) at a first interface (3). The method comprising the following steps: bringing the first substrate (1) into contact with a second substrate (4) with a second surface film (5) made of a thermoplastic polymer, the second surface film (5) having a second bond energy with the second substrate (4) that is higher than the first bond energy, the contact being made through first and second surface films, formation of an assembly by bonding of the first and second surface films (2, 5) done such that the first and second surface films have a third bond energy higher than the first bond energy, separation of the assembly at the first interface (3).

Abstract: A filter medium includes: a porous substrate; a nanofiber web laminated on both surfaces of the porous substrate, the nanofiber web being formed of accumulated nanofibers made of a polymer material and having a number of fine pores; and a fuse reinforcement material interposed between the nanofiber web and the porous substrate for adhesion with the nanofiber web and the porous substrate integrally. The porous substrate is surrounded by the nanofiber web except for an upper edge of the porous substrate, the upper edge of the porous substrate protrudes with respect to the nanofiber web to form a protruding portion, and the protruding portion is configured to be connected with a discharge hole through which purified water via the porous substrate is discharged.

Abstract: A process for the formation of an assembly comprising a structured or compacted porous film (c) comprising a) application of a porous film (d) onto an elastic substrate (a) in a stretched state such that a reversible adhesion of the film on the stretched substrate (a) occurs, and b) relaxing the substrate (a) with the applied film thereon to obtain a structured or compacted porous film (c), c) applying a support material (e) to a part of the structured or compacted film (c) so that the structured or compacted film to which no support material (e) is attached is releasable.

Abstract: A method for thermally developing a relief precursor comprising a supporting layer and photopolymer layer having cured and uncured portions comprising the steps: (a) fixing the relief precursor with the supporting layer adjacent to a movable support; (b) repeatedly moving the support with the relief precursor fixed thereon in a multitude of movement cycles; (c) heating the relief precursor to a temperature sufficient to cause the uncured portions of the photopolymer layer to soften or liquefy; (d) contacting the relief precursor with a development medium to allow the liquefied material of the uncured portions to be adhered to and removed by the development medium; wherein the heating and contacting is carried out in cycles A, B, C or D each corresponding to a single movement cycle such that (i) in a cycle A, the relief precursor is heated with higher heating power and not contacted the relief precursor with the development medium; (ii) in a cycle B, the relief precursor is heated with higher heating power

Abstract: Provided are a lithographic printing plate precursor having an image-recording layer on a hydrophilic support, in which the image-recording layer includes a polymer particle including an addition polymerization-type resin having a hydrophilic structure and a crosslinking structure, a method for producing a lithographic printing plate in which the lithographic printing plate precursor is used, a polymer particle including an addition polymerization-type resin having a hydrophilic structure and a crosslinking structure, and a composition including the polymer particle.

Abstract: A method for writing an imageable material using multiple beams includes preparing subsequent patterns each having Y rows of N pixel locations, said subsequent patterns including first and second patterns; where the first and the second pattern overlap with each other in an overlap area consisting of O columns and Y rows of pixel locations; selecting for each row i of said first pattern Mi1 pixel locations; selecting for each row i of said second pattern Mi2 pixel locations; writing simultaneously, for each row i, said Mi1 selected pixel locations by moving the N beams in a fast scan direction relative to said imageable material; and moving said N beams relative to said imageable material in a slow scan direction over (N?O) pixel locations; writing simultaneously, for each row i, said Mi2 selected pixel locations by moving the N beams in a fast scan direction relative to said imageable material.

Abstract: A roller arrangement for printing apparatus comprises a first roller. The first roller comprises a plurality of cells. Each of the plurality of cells receives an amount of a coating material. The roller arrangement further comprises an extractor to remove at least a portion of the coating material from a selected set of the plurality of the cells.

Abstract: An object of the present invention is to provide an inkjet recording device capable of adjusting a clearance between prints formed by two nozzles (114, 115), and capable of printing a print content at a high speed. In order to achieve the object, there is provided an inkjet recording device which has two sub-print heads including nozzles (114, 115), charging electrodes (116, 117), deflection electrodes (118, 119), and gutters (120, 121), in which the two nozzles are disposed in a deflection direction of ink particles, and which performs printing on a printed object (124) while moving the printed object (124) relative to the ink particles in a direction substantially perpendicular to the deflection direction of the ink particles, the inkjet recording device having a function for reducing a clearance between print results (125, 126), printed by the two nozzles (114, 115), by controlling a voltage applied to the charging electrodes (116, 117) and a voltage applied to the deflection electrode (118, 119).

Abstract: A method compensates for position-dependent density fluctuations of print nozzles in an inkjet printing machine by use of a computer. The computer produces compensation profiles for the position-dependent density fluctuations over all the print heads for all print substrates used, calculates an mean profile from these, and applies the mean profile to compensate for the position-dependent density fluctuations in the inkjet printing machine. When one or more print heads of the inkjet printing machine are replaced, the computer calculates a new compensation profile for only one print substrate. The computer derives a new mean profile from this, and the computer calculates and applies the new mean profile using the old compensation profiles for the remaining print substrates.

Abstract: A liquid ejecting apparatus includes a generation unit that generates a driving signal, a discharge portion including a piezoelectric element that is driven by the driving signal, and a detection unit that detects residual vibration occurring in the discharge portion, in a detection period after a driving period during which the piezoelectric element is driven by the driving signal, in which the generation unit maintains a potential of the driving signal at a first potential in a first period, maintains the potential of the driving signal at a second potential in a second period, maintains the potential of the driving signal at a third potential in a third period, and maintains the potential of the driving signal at a detection potential in the detection period, the first potential is a potential between the second potential and the third potential, and the detection potential is a potential between the first potential and the second potential.

Abstract: A liquid discharge apparatus includes an apparatus body, a liquid discharge head configured to discharge a liquid and be removably attached to the apparatus body, and a temperature detection device configured to detect a temperature of the liquid discharge head. The temperature detection device includes a temperature detector disposed in the apparatus body and configured to be in line contact with the liquid discharge head.

Abstract: A method for printing an image with improved printing quality using liquid ink includes using a pump to pump ink to a print head for printing rows of the image onto a moving printing substrate. A respective value correlated with the amount of ink required to print the rows is calculated for a plurality of individual rows or a plurality of grouped rows of the image. The pump receives a preemptive control signal based on the calculated values.

Abstract: A liquid ejecting head includes a flow passage member and an energy generating element. The flow passage member includes an individual flow passage including a nozzle and a pressure generating chamber communicating with the nozzle, a supply-side common flow passage, and a drain-side common flow passage. The energy generating element effects a pressure change in the liquid in the pressure generating chamber to discharge the liquid from the nozzle. The individual flow passage includes a supply-side individual flow passage between the supply-side common flow passage and the nozzle and a drain-side individual flow passage between the nozzle and the drain-side common flow passage. A second partition wall that separates a plurality of the drain-side individual flow passages from each other is thicker than a first partition wall that separates a plurality of the supply-side individual flow passages from each other.