Abstract: A mist-CVD apparatus contains a first atomizer for atomizing a first metal oxide precursor and generating a first mist of the first metal oxide precursor; a second atomizer for atomizing a second metal oxide precursor and generating a second mist of the second metal oxide precursor; a carrier-gas supplier for supplying a carrier gas to convey the first and second mists; a film-forming unit for forming a film on a substrate by subjecting the first and second mists to a thermal reaction; and a first conveyance pipe through which the first mist and the carrier gas are conveyed to the film forming chamber, a second conveyance pipe through which the second mist and the carrier gas are conveyed to the film forming chamber.

Abstract: An ultrasonic stepping motor device for generating ultra-fine single droplet includes a valve housing, a valve core, and a spring. The valve core and the spring are installed inside the valve housing, and the valve core abuts against a liquid inlet of the valve housing under an elastic force of the spring. The valve housing is connected with a injector through a catheter, and the catheter is driven for linear operation by the inverse piezoelectric effect of piezoelectric ceramics through an ultrasonic linear motor. A right end of the catheter is equipped with a rubber piston, and the rubber piston is arranged in a cavity of the injector and matched with the injector. Since the piezoelectric vibrator driven catheter can produce nano feed length, and the volume of droplets overflowed each time can reach micron level, which can meet the requirements of producing micro droplets.

Abstract: The vehicle body assembly station comprises main transport assembly for conveying a vehicle body along a first direction D1 in which at least one assembly robot is provided to move along a second direction D2, and temporary transport assembly whose operation is more accurate than that of the main transport assembly for moving the vehicle body independently from the main transport assembly while the assembly robot is performing operations on the vehicle body, whereby a new coordinate reference system is created by the temporary transport assembly.

Abstract: The invention relates to a device for portioning a dough mass, comprising a receiving chamber for holding said dough mass comprising a discharge opening, a pair of opposing rotary cutters provided at the discharge opening and arranged for rotation in mutually opposite directions, wherein each cutter comprises at least one blade rotatable around a rotary axis, which blade cooperates with the blade of the other cutter for cutting the dough mass into separate portions, and a release agent delivery system for applying a release agent onto the blades of the rotary cutters, wherein the release agent delivery system is configured for applying the release agent on opposing sides of each of the blades. The invention further relates to a release agent delivery system for use in such a device and a method for portioning a dough mass using such a device.

Abstract: A paint system includes a paint unit having a first paint robot and a second paint robot. The first paint robot includes a first robot base and a first robot arm operably mounted on the first robot base. The second paint robot includes a second robot base and a second robot arm operably mounted on the second robot base. When a virtual plane extending in a vertical direction and along a direction of relative movement between an object to be painted and the paint unit is defined as a reference plane, a distance between the first robot base and the reference plane is set to be shorter than a distance between the second robot base and the reference plane. A passage range allowing passage of the second robot arm is provided under the first robot base.

Abstract: A non-contact cleaner for a paint spray equivalent having a housing with an open top with a venturi opening. A ring is contained the housing in a space downwardly from the entry opening thus forming a chamber between the ring and the venturi opening adapted to receive the paint spray tip to be cleaned. A plurality of circumferently spaced air nozzles created downward airflow through the housing while a solvent nozzle contained in the housing sprays solvent onto the paint tip to be cleaned.

Abstract: A fenestration unit including a first panel having a leading portion and a trailing portion, a second panel, and a frame including a first lateral member and a second lateral member. The first lateral member has a trolley space configured to slideably receive a trolley assembly. The trolley assembly includes a first trolley coupled to the leading portion of the first panel and a second trolley coupled to the trailing portion of the first panel. Each of the first and the second trolleys includes a guide pin slideably received in the leading and trailing tracks, respectively. The guide pins are configured to guide the first panel out of a coplanar relationship with the second panel when the first panel is slid to an opened position and guide the first panel into a coplanar relationship with the second panel when the first panel is slid to a closed position.

Abstract: A skinning apparatus and a method of skinning a porous ceramic. The apparatus includes an axial skinning manifold. The axial skinning manifold includes a curved adaptive pipe to flow cement in a circumferential direction from an inlet at a first position and through an adaptive opening along an inner bend of the curve through a land channel disposed along the inner bend. The land channel emits the cement at a constant velocity from a land opening extending proximate the first position to a second position spaced apart from the first position. The land outlet emits cement at a constant velocity around the outer periphery of the porous ceramic to dispose a uniform skin thereon as the porous ceramic moves axially relative to the land outlet.

Abstract: A clothing for a machine producing and/or processing a fibrous web extending in longitudinal and widthwise directions, includes a basic structure providing dimensional stability in longitudinal and/or widthwise directions. The structure includes a band-shaped, one-piece grid having widthwise-adjacent first material strands and polymer material having lengths in a longitudinal direction, and adjacent second interconnected material strands and/or droplets and polymer material, contacting the first strands at contact points forming the grid. The strands and/or droplets are deposited by extrusion of the polymer materials in liquid or pasty state onto a depositing surface forming a portion or all of the grid in liquid or pasty state, the polymer materials are solidified, converting the portion or the grid from liquid or pasty to solidified, stable, self-supporting state producing bonding at the contact points, and removing the portion or the grid from the surface.

Abstract: A spray nozzle apparatus for spraying a spray jet which contains a coating material in one spray direction S for coating of a surface which is located in the spray direction S opposite the spray nozzle apparatus transversely to the spray direction S with a spray nozzle for spraying the spray jet from a spray nozzle outlet of the spray nozzle and at least one control nozzle with a control nozzle outlet which is aligned or can be aligned to the spray jet transversely to the spray direction S for acting on the spray jet and deflecting it by means of a control flow which is emerging from the control nozzle outlet, characterized in that there is one control apparatus for control of the control flow with a control signal.

Abstract: An apparatus and a method of preparing electronic ink microcapsules are disclosed. The apparatus of preparing electronic ink microcapsules includes: a first input tube, a second input tube, a UV light source, and an output tube connected to both the first input tube and the second input tube, respectively. The first input tube is a shading tube adapted to input an electrophoresis suspension comprising a mixture of a pre-polymer and a photo-initiator. The second input tube is adapted to input an aqueous solution comprising surfactant. The UV light source is adapted to radiate the mixed liquid in the output tube which is a mixture of the liquids input from the first input tube and the second input tube to prepare the electronic ink microcapsules. The electronic ink microcapsules prepared by using the apparatus and the method of preparing electronic ink microcapsules exhibit advantages including good uniformity, good thermal stability, etc.

Abstract: The present invention relates to a golf ball and a method for manufacturing same. The golf ball may include a first pole, a second pole, and a seam located between the first pole and the second pole, and a section structure including an outer surface having a plurality of dimples, a core, and a cover surrounding the core. In certain embodiments, the core includes 100 parts by weight of a butadiene rubber and 0.5 to 10 parts by weight of a polymer resin. The cover may include 100 parts by weight of an ionomer resin and 1 to 10 parts by weight of a butadiene rubber having a 1,2-bond content of 90% or more.

Abstract: Disclosed is an optical connection component manufacturing apparatus that manufactures an optical connection component in which a refractive index matching body is attached to a front end face of an optical fiber. The optical connection component manufacturing apparatus includes: a holding unit that includes a holding face holding a refractive index matching liquid including the refractive index matching body; a dispenser that supplies the refractive index matching liquid to the holding face; and a static electricity generating device that charges the optical fiber so that the refractive index matching liquid held on the holding face is adsorbed onto the front end face of the optical fiber, wherein the holding face has an outer peripheral edge connected in a curved line.

Abstract: Disclosed is an optical connection component manufacturing apparatus that manufactures an optical connection component in which a refractive index matching body is attached to a front end face of an optical fiber. The optical connection component manufacturing apparatus includes: a holding unit that includes a holding face holding a refractive index matching liquid including the refractive index matching body; a dispenser that supplies the refractive index matching liquid to the holding face; and a static electricity generating device that charges the optical fiber so that the refractive index matching liquid held on the holding face is adsorbed onto the front end face of the optical fiber, wherein the holding face has an outer peripheral edge connected in a curved line.

Abstract: A belt conveyor including a conveyor belt that has hollow injectors for injecting a process fluid into a conveyed layer of bulk products and a method for injecting a process fluid into a layer of bulk products conveyed on a conveyor belt.

Abstract: A skinning apparatus and a method of skinning a porous ceramic. The apparatus includes an axial skinning manifold. The axial skinning manifold includes a curved adaptive pipe to flow cement in a circumferential direction from an inlet at a first position and through an adaptive opening along an inner bend of the curve through a land channel disposed along the inner bend. The land channel emits the cement at a constant velocity from a land opening extending proximate the first position to a second position spaced apart from the first position. The land outlet emits cement at a constant velocity around the outer periphery of the porous ceramic to dispose a uniform skin thereon as the porous ceramic moves axially relative to the land outlet.

Abstract: A fluid application device, a nozzle assembly and a method of applying a fluid onto a strand of material provided. The fluid application device includes an applicator head and a nozzle assembly. The nozzle assembly includes a guide slot for receiving a strand of material. The nozzle assembly further includes an orifice, spaced from the guide slot, configured to discharge a first fluid to onto the strand, and at least one outlet, adjacent to the orifice, for discharging a second fluid to act on the first fluid. The method includes positioning the strand at the closed end of the guide slot so that the strand is spaced a predetermined distance from the orifice, feeding the strand through the guide slot at a predetermined speed, applying the first fluid onto the strand from the orifice and discharging the second fluid from the at least one outlet.

Abstract: A system and method of painting parts of large dimensions that present a certain amount of flexibility that makes their shape geometrically unstable in the event of being moved. The surface of a part is moved in front of a paint spray device by an arm of a robot, while the spray device remains stationary relative to the robot and while the part is being deformed. Other elements include a gripper for gripping parts of large dimensions, the gripper being adapted to implement the method; an installation; and a booth for performing surface treatment of parts.

Abstract: A method for coating an artificial athletic turf made of a backing having a top face and a bottom face and having yarn tufted through the backing such that cut pile extends from the top face and backloops of yarn are closely adjacent the bottom face so that a porous coat is disposed over the backloops and bottom face in order to bind the yarn to the backing. Tiny droplets of coating material are sprayed onto the bottom face of the tufted backing at an inclination angle of less than 45 degrees to the plane of the backing and under conditions which cause sprayed droplets of material to bind the backloops to the backing, but not deposit along narrow areas of the backing between rows of backloops, thus, allowing the turf to remain porous.

Abstract: A fiber of carbon nanotubes was prepared by a wet-spinning method involving drawing carbon nanotubes away from a substantially aligned, supported array of carbon nanotubes to form a ribbon, wetting the ribbon with a liquid, and spinning a fiber from the wetted ribbon. The liquid can be a polymer solution and after forming the fiber, the polymer can be cured. The resulting fiber has a higher tensile strength and higher conductivity compared to dry-spun fibers and to wet-spun fibers prepared by other methods.

Abstract: An apparatus for impregnating web material with thermally curable impregnating resin, The apparatus includes an impregnating trough in which the web material is brought into contact with the impregnating resin and an inlet line which leads to the impregnating trough and through which the impregnating resin is introduced into the impregnating trough. The apparatus also includes a heating device structured and arranged for heating the impregnating resin, wherein the heating device is associated with the inlet line and heats the impregnating resin in the inlet line.

Abstract: A deposition apparatus includes a first transporting unit configured to transport moving units, to which substrates may be detachably affixed, in a first direction; and a second transporting unit configured to transport empty moving units, from which the respective substrates have been detached, in a return direction opposite to the first direction, wherein the moving units are transported cyclically in reusing fashion.

Abstract: A coating comprises a resin solution including a solution of neoprene latex and liquid asphalt emulsion and an accelerator solution including an aqueous solution of zinc sulfate powder and water. A spray system for applying the coating includes a spray gun having first and second nozzles, a first pump fluidly connected between the first nozzle and a resin solution reservoir for delivering the resin solution to the first nozzle at a first fluid pressure, and a second pump fluidly connected between the second nozzle and an accelerator solution reservoir for delivering the accelerator solution to the second nozzle at a second fluid pressure different from the first pressure. The accelerator solution may be aerated by a source of compressed air prior to discharge from the second nozzle.

Abstract: A surface treatment apparatus includes a treatment vessel which contains a treatment solution, a transfer device which transfers a substrate through an interior portion of the treatment vessel in an in-plane direction of the substrate, and a jet device which is positioned in the interior portion of the treatment vessel and jets the treatment solution onto a surface of the substrate such that the surface of the substrate is treated with the treatment solution in the interior portion of the treatment vessel. The jet device has a nozzle hole which jets the treatment solution in a jet direction set parallel or diagonal with respect to the substrate surface.

Abstract: A liquid processing apparatus includes multiple substrate holding units each configured to horizontally hold a substrate and arranged in a left/right direction; a moving unit that is spaced from an arrangement of the substrate holding units in a forward/backward direction and is moved in the left/right direction; a nozzle standby unit, provided between a movement path of the moving unit and the arrangement of the substrate holding units, at which a nozzle that supplies a processing liquid to the substrate held by the substrate holding unit is on standby; and a rotatable arm having one end at which a nozzle holding unit that detachably holds the nozzle and the other end rotatably provided at the moving unit. The nozzle is transferred between the nozzle standby unit and a supply position where the processing liquid is supplied to the substrate together by the moving unit and the rotatable arm.

Abstract: A photoresist coating apparatus is provided. The photoresist coating apparatus includes a base; and a position platform moving back and forth along a scanning direction on the base. The photoresist coating apparatus also includes an imprinter having a trench configured to hold photoresist and fixed on the position platform; and a photoresist spray nozzle disposed above the imprinter and configured to spray the photoresist into the trench. Further, the photoresist coating apparatus includes a reticle frame configured to install a cylindrical reticle and enable the cylindrical reticle to rotate around a center axis and contact with the imprinter so as to coat the photoresist in the trench on a surface of the cylindrical reticle.

Abstract: A fixing belt includes an inner layer, serving as a sliding layer, in which filler particles having an aspect ratio of 5 or more are oriented substantially in the longitudinal direction of the fixing belt.

Abstract: A coating apparatus and method of use wherein at least one capillary tube is in contact with a moving substrate during coating.

Abstract: Spray booth (21) for applying paint on basically flat parts (22), said spray booth having a plenum (24) and comprising a conveying system (25) for conveying the flat parts (22) to be painted, at least a device (23) for applying paint on said moving parts, and at least a suction system, wherein the plenum (24) of the spray booth has a semi-cylindrical shape, having its axis perpendicular to the direction of the advancing part (22).

Abstract: The surface of a substrate may be smoothly covered with a liquid when the substrate is fixed in a holder which together with forms, together with the surface of the substrate, a process volume into which the liquid may be introduced onto the surface of the substrate by means of a wetter, and when the holder including the substrate is set in a swaying motion by means of a swayer, so that the liquid will smoothly spread on the surface of the substrate. By the swaying motion, concentration of the volume of liquid at a specific location of the substrate surface is prevented, since the direction of motion of the liquid changes constantly.

Abstract: A coating device for coating parts, in particular body components for automobiles, has at least one piece of application equipment for applying a coating to the components and has a feed device for feeding the components into a suitable coating position relative to the coating equipment. It is proposed that the feed device has at least one handling robot which brings the components into the coating position. Furthermore, a corresponding method is disclosed.

Abstract: A stent has first and second members. The stent is supported by a mandrel in a first position such that the mandrel is in contact with the first member and the second member is spaced from the mandrel. A method for coating the stent includes spraying or drying the stent, placing the stent in a second position such that the first member is spaced from the mandrel and the second member is placed in contact with the mandrel, and spraying or drying the stent while the stent is supported by the mandrel in the second position.

Abstract: A method is provided for making thermochromic pigments in microcapsules having unusually small particle sizes.

Abstract: An apparatus for depositing and/or jetting viscous medium on a surface of a workpiece includes at least two depositing head assemblies. The at least two depositing head assemblies are configured to move in three dimensional space. The at least two depositing head assemblies are also configured to at least one of concurrently and simultaneously deposit the viscous medium on the workpiece.

Abstract: A fluid dispensing system may include a first die portion having a first face defining a first edge and a second die portion spaced from the first die portion and having a second face facing the first face and defining a second edge, wherein the first edge and the second edge define a fluid outlet opening. The fluid dispensing system may also include a fluid inlet for introducing fluid to a region between the first face and the second face, and a cavity in flow communication with the fluid inlet, wherein the cavity opens to the region between the first face and the second face. The fluid dispensing system may further include a shim disposed between the first die portion and the second die portion to maintain the spaced positioning of the first and second die portions, wherein the shim defines a plurality of channels bounded by the first and second faces and extending from the cavity in a direction toward the fluid outlet.

Abstract: The invention relates to a coating installation, in particular for painting motor vehicle bodies, comprising a transport path (2, 12), along which a plurality of coating objects (1) are transported one after the other through the coating installation, and a plurality of treatment stations (13-17, 18-22, 23-27), in which the coating objects (1) are treated. It is proposed that the transport path (2, 12) branches into a plurality of parallel branches (5-9), in each of which at least one of the treatment stations (13-17, 18-22, 23-27) is arranged.

Abstract: An ejection device in which a multi-nozzle mechanism including failure nozzles ejects droplets such that variation in amounts of droplets (spacers) is prevented and droplets are disposed on spacer regions of a substrate. An ejection device includes a multi-nozzle mechanism including a pair of nozzle row units prepared by equally dividing a nozzle row including a plurality of nozzles ejecting a spacer dispersion liquid, a moving mechanism relatively moving the multi-nozzle mechanism and a substrate in the longitudinal direction and the align direction of spacer regions, and a control mechanism controlling the nozzles and the moving mechanism. When one nozzle row unit includes a failure nozzle, the control mechanism gives a command to the failure nozzle not to eject the liquid and a command to a corresponding nozzle of the other unit to halve cycles of forward and backward paths.

Abstract: A coating system comprises: a coating apparatus connected to a syringe filled with a coating agent and having a nozzle for discharging the coating agent of the connected syringe; a robot which moves an object to be coated, held by a robot hand, to a coating position; and a control unit, wherein the coating apparatus comprises a plurality of syringes respectively filled with different coating agents, the nozzles connected to the respective syringes, and a rotary table for rotationally moving together the syringes and the connected nozzles, and the control unit controls to select the syringe filled with the coating agent to be applied to the object, move the nozzle connected to the selected syringe to a position facing the coating position by the rotation of the rotary table, move the object held by the robot hand to the coating position, and discharge the coating agent from the nozzle.

Abstract: A method feeds a continuous core of a print cartridge cleaning blade along a path. The path passes, in the following order, firstly through a coating bath or spray coating station, secondly by a curing station, thirdly through a cutter, and fourthly to a finisher station. Thus, the method herein coats portions of the continuous core that are in the coating bath/spray station with an outer covering. For portions of the continuous core that are adjacent the curing station, the method cures the outer covering of the continuous core; for portions of the continuous core that are in the cutter, the method cuts the continuous core into predetermined lengths; and for portions of the predetermined lengths of the continuous core that are adjacent the finishing station, the method finishes the outer covering of the predetermined lengths of the continuous core to produce a finished print cartridge cleaning blade.

Abstract: A substrate coating device is provided which is capable of reducing non-uniform film thickness areas that take place in a coating start portion and a coating end portion during coating using a slit nozzle coater. The substrate coating device (10) includes at least a slider driving motor (4), a pump (8), a delivery state quantity measuring section (82), and a control section (5). The slider driving motor (4) scans a slit nozzle (1) over a substrate (100) at an established velocity relative to the substrate (100). The pump (8) controls the supply of the coating liquid to the slit nozzle (1). The delivery state quantity measuring section (82) is configured to measure a state quantity indicative of a delivery state of the coating liquid from the tip of the slit nozzle (1).

Abstract: A method for controlling a flow rate of a pump (10) transporting a liquid being driven by a drive system having a sliding portion, wherein a flow rate is maintained at a minute first flow rate (R1) at an early stage of operation of the pump (10); and subsequently the flow rate is increased to a steady second flow rate (R). With the method, at the early stage of operation of the pump (10), a state is established beforehand in which the pump (10) is kept stable at the minute first flow rate in order for the stick-slip phenomenon not to occur; and because the flow rate of the pump is increased from the state, transition from static friction to kinetic friction does not occur; and thus a disorderly flow rate of the pump (10) due to the stick-slip phenomenon of a motor (12) is suppressed. This makes it possible to attain a stable control of the flow rate at the early stage of operation of the pump (10).

Abstract: A medical device includes a proximal end, a distal end sized for introduction into a body lumen, and a lumen extending between the proximal and distal ends. The tubular device includes an inner liner including a coating on an inner surface thereof, a reinforcing layer surrounding at least a portion of the liner; and an outer layer surrounding the reinforcing layer and inner liner. The liner and outer layer may include multiple sections having different properties than one another, adjacent sections attached together by seams, which may be offset from one another. Apparatus and methods for making tubular devices with coated liners are also provided.

Abstract: A first application of a cleaning material is made to a surface of a substrate. The cleaning material includes one or more viscoelastic materials for entrapping contaminants present on the surface of the substrate. A first application of a rinsing fluid is made to the surface of the substrate so as to rinse the cleaning material from the surface of the substrate. The first application of the rinsing fluid is also performed to leave a residual thin film of the rinsing fluid on the surface of the substrate. A second application of the cleaning material is made to the surface of the substrate having the residual thin film of rinsing fluid present thereon. A second application of the rinsing fluid is then made to the surface of the substrate so as to rinse the cleaning material from the surface of the substrate.

Abstract: A method of forming a coating on a cylindrical paperboard container having a closed end. The method includes the steps of heating a gas from a first temperature to a second temperature; providing the gas to a first inlet of a nozzle; providing a polymer in a liquid state at a third temperature; providing the polymer to a second inlet of the nozzle; and spraying the polymer onto the cylindrical paperboard container using the nozzle; wherein the second temperature is greater than the third temperature; and the second temperature and third temperature are such that the gas maintains the polymer in the liquid state at least until the polymer comes into contact with the cylindrical paperboard container. A system for applying a coating to a plurality of cylindrical paperboard containers and a container for a consumer product are also provided.

Abstract: A system for the application of nanofiber to a substrate includes a tank having an outlet, an agitator disposed in the tank, a pump located at the tank outlet and an applicator disposed proximate to the substrate. One or more fluid conduits extend from the tank to the pump and from the pump to the applicator. The fluid conduits are configured so as to minimize bends and interferences. The system includes a controller. A nanofiber formulation in a fluid carrier in the tank is pumped from the tank to the applicator for application to the substrate at a predetermined flow rate. The pump is controlled by the controller to vary the output of the pump to match the predetermined flow rate, and the nanofiber formulation is applied by the applicator head at a predetermined coat weight on the substrate. A method for the application of nanofiber to a substrate is disclosed.

Abstract: The present invention refers to a method for preparing a superhydrophobic surface on a solid substrate comprising the steps of (a) providing a solvent in the form of a pressurized fluid in a vessel, wherein the fluid exhibits a decrease in solvency power with decreasing pressure; (b) adding a hydrophobic substance to the solvent as a solute, which substance is soluble with the pressurized fluid and has the ability to crystallize/precipitate after expansion of the fluid, thereby obtaining a solution of the solvent and the solute in the vessel; (c) having at least one orifice opened on the vessel, thereby causing the pressurized solution to flow out of the vessel and depressurize in ambient air or in an expansion chamber having a lower pressure than within the vessel, the solute thereby forming particles; and (d) depositing the particles on the substrate in order to obtain a superhydrophobic surface.

Abstract: A coating method forming a coating film having a predetermined film thickness on a band-like support body. The method includes conveying the band-like support body; forming the coating liquid on the band-like support body using a coating device fixed on an vibration isolation device; and detecting vibration components on a surface of a floor on which the coating device is disposed and controlling vibration of the active vibration isolation device.

Abstract: A method for coating a stent can involve a device having a drying zone, a spray zone, and movable member for positioning a stent in the drying zone and another stent in the spray zone. Each stent can be on a support. A force can be applied to the outside surface of a stent to prevent rotation of the stent with respect to the support.

Abstract: The invention relates to a method for coating a component (16), wherein the component (16) is provided with at least one coating layer that can be cured by applying UV light, said layer having UV light applied thereto in an exposure chamber (14) comprising a substantially spherical or ellipsoidal interior (18), wherein the at least one coating layer is applied to the component (16) in a coating chamber (12) comprising the exposure chamber (14).

Abstract: According to a first aspect of the present invention, a process for production of a water-absorbing article including a substrate and a coating film formed on the substrate and formed of a water-absorbing urethane resin is characterized in that: the process comprises an application step of applying a coating liquid to the substrate; the application step includes a step of supplying the coating liquid from a nozzle disposed above the substrate to a surface of the substrate conveyed horizontally; the coating liquid includes a solid matter and a solvent; the solid matter includes a mixture of a polyisocyanate, a polyol having ethylene oxide and a hydrophobic polyol; a concentration of the solid matter in the coating liquid is adjusted within a range from 5 to 30% in mass; and a viscosity of the coating liquid is adjusted within a range from 1 to 3 mPa·s.