Abstract: The invention relates generally to a process for the preparation of water-absorbent polymer particles, comprising the process steps including of drying the polymer gel particles wherein in process step (viii) the gel particles obtained in process step (vii) are charged onto the surface of the belt material of a belt dryer at a position L0 and are subsequently dried on their way through the belt dryer and wherein the belt material has been cooled before coming into contact with the gel particles. The invention also relates to water-absorbent polymer particles obtainable by such a process.

Abstract: A tire mold capable of improving the efficiency in mold production and tire production without compromising the aesthetic quality and performance of a tire after cure-molding. To that end, the tire mold has a hole that penetrates from the molding surface for molding a rubber article to the back surface, a core member that is disposed inside the hole and forms an air discharge flow channel annular in cross section extending along the extension direction of the hole between itself and the hole wall forming the hole, and an interlinking part for interlinking the hole wall and the core member.

Abstract: An apparatus for taking out a molded product that is capable of suppressing displacement vibration of an attachment in a shorter time than ever without using a large-scaled electric actuator. An active controller performs active control in conjunction with the positioning, control by the servomotor. At the beginning of the active control, the positioning control is primarily performed by the servomotor, and then the active control is positively performed by the active controller using an electric actuator. Compared with when only the active control is performed for vibration suppression, a lighter and smaller electric actuator can be employed.

Abstract: A mold capable of imparting an appropriate amount of heat depending on a part of an object to be heated, the mold for transferring heat to the object to be heated is provided with a hollow portion inside the mold, and a heat amount adjusting agent, which is accommodated in the hollow portion, for changing heat transfer property of the hollow portion, in which the heat amount adjusting agent is made of a powdery or granular material having a material property different from a material property of the mold.

Abstract: A system for post-print processing of 3D printed parts includes an automated breakout system for separating 3D printed parts from printing media in a tray and a vibratory media cleaning system for removing printing media from the 3D printed parts. The automated breakout system includes a tray input mechanism, a bed including a first end disposed adjacent the tray input mechanism, the bed including one or more passageways configured to pass printing media through the bed, a vibration generator coupled to the bed and configured to vibrate the bed, and a part terminator disposed adjacent a second end of the bed. The vibratory media cleaning system include a vibratory bin, a vibration generator coupled to the vibratory bin and configured to vibrate the vibratory bin, an automated parts loader configured to introduce 3D printed parts to be cleaned into the bin, and an automated parts removal mechanism.

Abstract: The present invention provides for transdermal delivery devices having microneedle arrays, as well as methods for their manufacture and use. In one embodiment, a transdermal delivery device is provided. The transdermal delivery device includes a polymer layer which has microneedles projecting from one of its surfaces. The microneedles are compositionally homogenous with the polymer base layer.

Abstract: A production line for manufacturing molded columns comprises a plurality of molding machines, a carousel to convey the molding machines along a closed path, a pouring station disposed adjacent the closed path, and an unloading station disposed adjacent the closed path generally opposite the pouring station. A molding material is poured into molds in the molding machines as the molding machines are conveyed past the pouring station. The molding machines are actuated as the molding machines are being conveyed from the pouring station to the unloading station. At the unloading station, the molding machines are stopped and the molds are unloaded from the molding machines. The unloading station may include extraction equipment to extract the molded columns from the molds.

Abstract: An apparatus for continuously manufacturing components from fiber-reinforced composites comprises a conveying device, configured to convey a semifinished product containing reinforcing fibers through the apparatus, a forming device, configured to bring the semifinished product into a desired shape, and a press with a first pressing element and a second pressing element arranged opposite the first pressing element. The forming device further comprises a plurality of differently shaped molds that are pressurizable by the press, a mold application station arranged upstream of the press relative to the conveying direction of the semifinished product through the apparatus for applying a mold to a section of the semifinished product, and a mold release station arranged downstream of the press relative to the conveying direction of the semifinished product through the apparatus for releasing the mold from the section of the semifinished product.

Abstract: Disclosed herein are composite building materials having at least one textured surface. The textured surface includes at least a plurality of particles. The textured surface closely mimics conventional building materials. The building materials can contain an image printed using ink jet printing methods with inks optimized for enhanced color stability.

Abstract: The present disclosure provides a molding system for preparing a fiber-reinforced thermoplastic composite article. The molding system includes: a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a composite molding material including a polymeric resin and a plurality of fibers; a processing module configured to generate an anisotropic stress distribution of the composite molding material in the mold cavity based on a molding condition for the molding machine; and a controller coupled to the processing module and configured to control the molding machine with the molding condition to perform an actual molding process for preparing the fiber-reinforced thermoplastic composite article. The anisotropic stress distribution of the composite molding resin is generated based in part on consideration of an integral effect of an elongational viscosity and a shear viscosity of the composite molding material.

Abstract: The invention relates to a method for producing a plastic molded part (1), comprising the steps of: a) providing a first decorative film (11), which at least partially has an opaque coating (112); b) introducing at least one decorative element of a decoration into the first decorative film (11) by machining using a machining tool; c) providing a second decorative film (12); d) placing the decorative films (11, 12) into an injection mold (2) having a first (21) and second mold half (22), which together form a cavity (23) for molding the plastic molded part (1), the first decorative film (11) being placed on a first wall (22f) of the cavity (23) and the second decorative film (12) on a second wall (21f) of the cavity (23) lying opposite the first wall (22f); e) back-injecting the decorative films (11, 12) with a polymer melt, so that the first decorative film (11) forms a first surface and the second decorative film (12) forms a second surface of the plastic molded part (1) opposite the first surface.

Abstract: A method of forming a trim panel is provided. The method includes the steps of: heating a non-woven material to a predetermined temperature; applying a decorative film having perforations to a first surface of the heated material to create a bilaminate; placing the bilaminate layer into a cavity of a tool such that the decorative film is facing the cavity; heating the cavity; and injecting a thermoplastic resin into the tool such that the thermoplastic resin is adhered to a second surface of the material, the second surface being opposite to the first surface.

Abstract: An injection molded part for a motor vehicle includes a film having a scratch-resistant layer, a plastic substrate molded to the film, wherein the plastic substrate is at least partially transparent or translucent, and a scratch-resistant coating molded to the plastic substrate on a side opposite the film.

Abstract: A resin reservoir capable of storing the melted resin is provided in the pillar radially facing the pillar provided with the resin injection gate having a cross-sectional area larger than those of the other resin injection gates among a plurality of the pillars not provided with the resin injection gate or the pillar in the vicinity of the pillar facing the pillar provided with the resin injection gate having a cross-sectional area larger than those of the other resin injection gates among the plurality of the pillars not provided with the resin injection gate. A cross-sectional area of a communicating portion of the resin reservoir which communicates with the pillar is smaller than the smallest of cross-sectional areas of a plurality of the resin injection gates.

Abstract: An apparatus for taking out a molded product that is capable of suppressing displacement vibration of an attachment in a shorter time than ever without using a large-scaled electric actuator. An active controller starts active control after the amplitude of displacement vibration of the take-out head as an attachment has been attenuated to a predetermined setting by means of positioning control by a servomotor or when the amplitude can be considered as having been attenuated to the predetermined setting. The positioning control is first performed by the servomotor, and then the active control is performed by the active controller using an electric actuator which is light in weight and small in size.

Abstract: A one-step hydraulic blow molding system and method for forming a preform and a liquid filled container from the preform. The machine and method include a sealing mechanism that forms a seal primarily utilizing compressive forces in an axial direction to prevent the leakage of liquid blow medium. The sealing mechanism includes an axial end face of a forming head and an upper axial surface of a neck ring.

Abstract: Blowing mold (10, 100) for blowing thermoplastic material containers, comprising two half molds (1, 2) and a device for the cyclic opening and closing of the half molds (1, 2) which comprises a control shaft connected to the half molds by means of connecting rods (14, 20) and a control hub (15). The control hub is provided with a plurality of holes appropriately positioned so that by choosing the holes to which the connecting rods are hinged, it is possible to change the maximum opening angle of the mold.

Abstract: A blow molding apparatus for mitigating a difference in flow rates of a liquid supplied from a blow nozzle to a preform. The blow molding apparatus includes a blow nozzle that mates with an open tube portion of a preform and a seal body that opens and closes the blow nozzle. A filling head extends along an axial direction of the blow nozzle and is provided at one end with a liquid supply channel connected to the blow nozzle and with a liquid introduction channel connected to the liquid supply channel from the side. A pressurized liquid supply unit is connected to the liquid introduction channel and supplies a pressurized liquid to the liquid introduction channel. A spiral guide groove is provided around an axial center of the liquid supply channel in an inner peripheral surface of the liquid supply channel.

Abstract: A system and method of constructing a 4D-printed ceramic object includes extruding inks including particles and polymeric ceramic precursors through a nozzle to deposit the inks on a heating plate, whereby a 3D-printed elastomeric object is formed on the heating plate, folding the 3D-printed elastomeric object into a complex structure to form a 4D-printed pre-strained elastomeric object, and converting the 4D-printed elastomeric object into the 4D-printed ceramic object.

Abstract: A machine for manufacturing pre-stretched extendable film rolls provides for a pre-stretch unit (10) of the film (F) and a wrapping unit (100) of the film in roll provided with a series of rolls around which the advancing film is partially wrapped; the pre-stretch unit (10) provides for, in sequence, at least a first pre-stretching roll (12), a pre-stretching auxiliary roll (13) acting against the first roll (12) with the interposition of the film, and a second pre-stretching roll (14) having a speed greater than the speed of the first roll (12) to carry out the pre-stretching of the film; the wrapping unit provides for a wrapping roll (104) for wrapping the pre-stretched film; the pre-stretch unit (10) further provides for a detensioning roll (17) arranged downstream said second pre-stretching roll (14) and having a speed less than said second pre-stretching roll (14) and greater than said wrapping roll (104), so as to obtain a first detensioning of the film after the pre-stretching operation and a second de

Abstract: A pipe lining apparatus having a settable, resin-impregnated reinforcement filament that is helically wound onto the inner surface of a pipe or pipe lining by an inverted filament winding apparatus, the apparatus having multiple spools and applicator arms to retain and apply the filament. The applicator arms may be aligned circumferentially or axially.

Abstract: A method for producing a liner hose (2) for lining pipelines, comprising the method steps of moving a circumferentially closed inner film hose (4) over a winding mandrel (6) of a winding apparatus (8) and wrapping the inner film hose (4), which is guided on the winding mandrel (6) by means of a guide mechanism (18), with a fibrous strip (12) which has been impregnated with curable reaction resin, is characterized in that the inner film hose (4) is guided via endless pulling means (14) that circulate without a drive, and in that the inner film hose (4) that has been wrapped with the fibrous strip (12) is moved off of the winding mandrel (6) solely by a pull-off mechanism (16) which acts from the outside on the fibrous strip (12). The invention further relates to a device for carrying out the method.

Abstract: A 3D object according to the invention comprises substrate layers infiltrated by a hardened material. The 3D object is fabricated by a method comprising the following steps: Position powder on all or part of a substrate layer. Repeat this step for the remaining substrate layers. Stack the substrate layers. Transform the powder into a substance that flows and subsequently hardens into the hardened material. The hardened material solidifies in a spatial pattern that infiltrates positive regions in the substrate layers and does not infiltrate negative regions in the substrate layers. In a preferred embodiment, the substrate is carbon fiber and excess substrate is removed by abrasion.

Abstract: A method is described in which data representing a three-dimensional object to be printed is obtained. The data comprises object property data indicative of properties of the three-dimensional object. Layers within the three-dimensional object to be printed are identified. The obtained data is processed by comparing object property data associated with an identified layer to object property data associated with a reference layer selected from the identified layers. Where a difference in object property data associated with an identified layer and object property data associated with a reference layer is determined, the determined difference is stored.

Abstract: According to one aspect, embodiments herein provide a method comprising forming a shrinking platform of model material above a build plate, the model material including sinterable metal particles and a first binder, forming a support structure of the model material extending up from the shrinking platform, forming a first portion of the part from successive layers of the model material above the support structure, forming a release layer intervening between a surface of the part and an opposing surface of the support structure or between a surface of the shrinking platform and an opposing surface of the build plate, the release layer including a dispersed ceramic powder and a second binder, and supporting the part, the release layer, and the support structure upon the shrinking platform to form a platform-integrating part assembly, the support structure being configured to prevent the first portion from distorting from gravitational force during sintering.

Abstract: A method comprising forming a shrinking platform of layers of a composite, the composite including a metal particulate filler in a first matrix, forming a shrinking support of layers of the composite upon the shrinking platform, forming a first release layer of a release material upon the shrinking support, the release material including a ceramic particulate and a second matrix, and forming a part of the composite upon the shrinking support to form a portable assembly from the combined shrinking platform, shrinking support, release layer and part, wherein substantially horizontal portions of the part are vertically supported by the shrinking platform, wherein the first release layer is configured, after sintering, to separate the part from the shrinking support and to allow the part to be readily removed from the shrinking support, and wherein the shrinking support is configured to prevent the part from distorting during sintering.

Abstract: A method and apparatus for joining parts. A plurality of conformable induction coils embedded in a number of elastomeric sheets is positioned relative to a first composite part of the parts and a second composite part of the parts. A magnetic field is generated with the plurality of conformable induction coils. The magnetic field is configured to generate heat in a magnetically permeable material at a joint location. The heat joins the first composite part and the second composite part to each other.

Abstract: Apparatus for forming transversal welds on a composite web material, comprising at least two superimposed sheets of material, suitable for use in the production of sanitary articles, comprising: a feeding unit including first and second feeding means configured to advance the composite web along a main straight direction X at a speed V1. an ultrasonic welding unit 80 arranged between the first and second feeding means, comprising at least one ultrasound source coupled to a sonotrode having a flat welding surface and an anvil unit having at least one anvil element movable along a closed path, which has a straight portion parallel to the main direction X.

Abstract: A method of producing a hermetic package includes forming a first sealing material layer on a first glass substrate, and arranging a frame body having an opening on its top so that a bottom portion of the frame body and the first sealing material layer are in contact, followed by sealing the frame body and the first glass substrate with each other via the first sealing material layer. The method further includes forming a second sealing material layer on an upper edge portion of the frame body, housing, in the frame body, a member, and arranging a second glass substrate to be in contact with the second sealing material layer, followed by sealing the second glass substrate and the frame body with each other via the second sealing material layer by irradiating the second sealing material layer with laser light from a second glass substrate side.

Abstract: In a method and a system for producing a panel product device, in which a panel pre-product is provided, comprising at least one recess formed in a panel surface and having a delimitation, and at least one insert element is provided, intended for anchoring in at least one of the recesses, the system comprises automated means for inserting the insert element into the recess in the panel pre-product, and automated means for filling an intermediate space between the insert element and the delimitation of the recess with a curable or curing filling fluid. In a method and a system for testing the loading resistance of the connection between the insert element and the recess in the panel surface of the panel pre-product, a variable tensile testing force is applied in an automated manner to the insert element up to a predetermined tensile testing force.

Abstract: A device for liquid-tight sealing of two partially overlapping packaging components. One of these is a tubular basic body. A further packaging component forms the packaging head or bottom, having at least one mandrel and one die. For the tubular basic body to be easily slid on to the mandrel and removed the expansion elements have sealing jaws which, in their working position, form a closed, encircling outer contour.

Abstract: In order to provide a bonded part capable of reducing deformation caused by injection pressure of bonding resin and preventing an increase in cost, the bonded part includes a first part, a second part, and a third part, wherein the first part includes a wall portion and a hollow portion surrounded by the wall portion, wherein a first shape portion formed of bonding resin is arranged at a position between the second part and the wall portion, wherein a second shape portion formed of the bonding resin is arranged at a position between the wall portion and the third part, and wherein a third shape portion formed of the bonding resin which connects the first shape portion and the second shape portion is arranged on the wall portion.

Abstract: In one embodiment, a material includes a plurality of particles, a solvent system and one or more stabilizing agents; the particles are configured to complete a self-propagating and/or self-sustaining reaction upon initiation thereof. In another embodiment, a method includes dispersing a plurality of particles in solution to form a dispersion and adding a stabilizing agent to the dispersion in an amount sufficient to cause the dispersion to exhibit one or more predetermined rheological properties; again, the particles in the dispersion are configured to complete a self-propagating and/or self-sustaining reaction upon initiation thereof. In still another embodiment, a method includes depositing a material on a substrate; the material includes a plurality of particles configured to complete a self-propagating and/or self-sustaining reaction upon initiation thereof, a solvent system and one or more stabilizing agents.

Abstract: An example method for forming a flat composite charge into a composite blade stiffener includes cutting a flat composite charge along a cut line into a first piece and a second piece having an angle, positioning the first piece and the second piece of the flat composite charge on a forming mandrel about a tooling plunger, activating the tooling plunger to drive the first piece and the second piece into a cavity of the forming mandrel resulting in the first piece and the second piece folding at the cut line, withdrawing the tooling plunger from the cavity of the forming mandrel, compressing the forming mandrel to apply a lateral pressure to the first piece and the second piece folded into the cavity, and applying a vertical pressure to a first flange and a second flange of the first piece and the second piece, respectively, to form the composite blade stiffener.

Abstract: Systems and methods are provided for verifying the placement of tows by a robot. One embodiment includes a robot that includes an end effector that lays up tows, actuators that reposition the end effector, a memory storing a Numerical Control (NC) program, and a robot controller that directs the actuators to reposition the end effector based on the NC program, and instructs the end effector to lay up tows based on the NC program. The system also includes a sensor system comprising an imaging device that acquires images of the tows as the tows are laid-up, a measuring device that generates input as tows are laid-up by the end effector, and a sensor controller that receives images from the imaging device and the input from the measuring device, and updates stored data to correlate the images with instructions in the NC program, based on the input.

Abstract: A composite panel structure has opposing outer walls or surfaces and a core comprising a plurality of ribs extending between and connected to the outer walls and defining chambers which are filled with expanding foams, non-expanding foams, gases, or a combination thereof. The outer panel surfaces and internal chamber walls or ribs are made of woven or non-woven fibrous material impregnated with one or more resins. The panel structure may be used for making a variety of products including sports equipment such as sports paddles, surfboards, kite boards, skateboards, wakeboards, as well as construction panels for walls, ceilings or floors, display panels, panels for the vehicle industry, furniture, and other structures requiring high strength to weight properties.

Abstract: The invention relates to wafer-level manufacturing of optical devices such as modules comprising micro-lenses. In one aspect, passive optical components such as truncated lenses are manufactured by providing a substrate on which a multitude of precursor optical structures is present; and removing material from each of said multitude of precursor optical structures. Another aspect comprises a method for manufacturing a device comprising a set of at least two passive optical components, said method comprising the steps of using a tool obtained by carrying out the steps of manufacturing a precursor tool having a replication surface; and modifying said replication surface by removing material from said precursor tool.

Abstract: Methods and devices for a lenticular image product include a print media, a printed faceted surface disposed on the print media, an interlaced image printed on the printed faceted surface, and a printed lenticular lens printed on the printed interlaced image and the printed faceted surface. The lenticular lens can be disposed over the print media selectively.

Abstract: This invention describes methods and apparatus for implementing a Convergence Process to Converge a Lens Design wherein a previous DMD Show may be modified for a subsequent Iteration. In preferred embodiments, an Iterative Loop may be initiated during a Convergence Process wherein one or more of various: techniques, modalities, and thickness correction methods may be implemented.

Abstract: Extracorporeal circuit devices can be used for on-pump open-heart surgery to support surgical procedures such as coronary artery bypass grafting. In some cases, a centrifugal pump is used as part of an extracorporeal circuit. Centrifugal pump heads are described herein that induce flow on two sides of an impeller plate, and that can be conveniently mechanically assembled.

Abstract: A methods of executing start, run, and stop sequences on a machine for converting a web of preformed pouches into inflated dunnage units. The pouches are defined by transverse seals extending from a remote edge to within a predetermined distance from an inflation edge.

Abstract: A method of manufacturing a pneumatic tire with surface fastener according to the present technology includes, while engaging a surface fastener provided with a plurality of first engaging elements and a sheet-shaped protective member provided with a plurality of second engaging elements that engage with the first engaging elements of the surface fastener, disposing the surface fastener in an unvulcanized tire so that a surface on a side opposite that of a surface on which the engaging elements are provided is closely fitted to an inner surface of the tire, and vulcanizing the unvulcanized tire provided with the surface fastener using a vulcanizer equipped with a vulcanization bladder.

Abstract: Invention is a cleaning robot for cleaning the inner surfaces (5) of the half mold (4) of tire curing molds comprising a basket (10) wherein a lifting arm (50) placed in a manner pivotal on a proximal end (52), the lifting arm (50) pivoted on a distal end (54) of a support arm (70). The cleaning robot fits completely into the basket (10) when the positioned as close and comprising a movable head (80) having a nozzle (82) coupled in a manner to establish fluid communication to the dry ice inlet (84) and located at the distal end (76) of the support arm (70) and a free end which is configured movably closer to the inner surface (5) such as at a vicinity of the inner surface (5) along the contour of its when the positioned as open.

Abstract: In an assembly station, a carcass sleeve and an outer sleeve manufactured along respective building lines are mutually coupled. Integrated into the assembly station are engagement devices that can be alternatively-coupled to an auxiliary drum carrying an outer sleeve and to a building drum carrying a carcass sleeve. The building drum is engaged on the assembly station before removal of the auxiliary drum. A grip unit picks up the outer sleeve from the auxiliary drum associated with the engagement devices in order to position it around the carcass sleeve carried by the building drum.

Abstract: The invention includes methods of forming a retreaded tire, and treads there for. Particular embodiments of such methods provide a tire carcass configured to receive the tire tread along an annular tread-receiving area and a pre-cured tire tread including a tread body and a detachable connector. The connector is arranged within a thickness of the tread between a top void portion and a bottom void portion and extending across a width of the top void portion and of the bottom void portion. The detachable connector is configured to separate from the tread upon application of a separation force. Further steps include assembling a retreaded tire by arranging the tire tread atop a bonding layer arranged between the tire tread and the tire carcass, bonding the tire tread to the tire carcass, and removing the detachable connector from the top void portion after the step of bonding.

Abstract: A draw press includes a carriage moveable toward a work piece and an upper die movably secured to the carriage. The upper die is movable with respect to the carriage to draw the work piece. A method for drawing a metal part is also disclosed.

Abstract: A composite skin material for a vehicle includes a fibrous substrate, a polyurethane resin layer provided on the front side of the fibrous substrate, and a woven fabric adhered to the back side of the fibrous substrate through an adhesive layer comprising a polyurethane resin. Openings penetrating the fibrous substrate from the front of the polyurethane resin layer are provided in the composite skin material, and an opening ratio on the front of the polyurethane resin layer is 1 to 15%. The woven fabric has a warp density of 25 to 50 yarns/25.4 mm and a weft density of 30 to 50 yarns/25.4 mm, and the mass per unit area of the adhesive layer is 15 to 100 g/m2. The composite skin material has air permeability of 5 to 100 cm3/cm2·s, tear strength of 20 to 150N, and tensile strength of 50 N/cm or more.

Abstract: A glass protective film includes a base film formed by melting a weak adhesive polymer to be adhered to a glass plate by weak adhesion; a first surface of the base film prepared into a weak adhesive surface, which is a mirror surface; and a second surface thereof prepared into a non-adhesive surface which is a rough bead surface. Beads for preparing the rough bead surface are hexagonal, rectangular or triangular beads or ball beads prepared by cutting a film; and the ceiling reach rate of the beads of the rough bead surface is 30% or more.

Abstract: A 3D object according to the invention involves substrate layers infiltrated by a hardened material. The 3D object may be fabricated by a method comprising the following steps: Flatten a substrate layer. Position powder on all or part of a substrate layer. Repeat this step for the remaining substrate layers. Stack the substrate layers. Transform the powder into a substance that flows and subsequently hardens into the hardened material. The hardened material solidifies in a spatial pattern that infiltrates positive regions in the substrate layers and does not infiltrate negative regions in the substrate layers. In a preferred embodiment, the substrate is carbon fiber and excess substrate is removed by abrasion. Flattening a substrate layer involves reducing planar inconsistencies or imperfections, and comprises applying heat to each substrate layer, cooling the substrate layers, and optionally applying tension and/or pressure to the heated and cooled substrate layers.

Abstract: An object of the present invention is to provide a structure body, which allows the obtaining of superior impact performance while suppressing increases in thickness and weight of a plastic plate and reducing cost, and a method for manufacturing that structure body. Provided is a structure body (1) provided with a structure (10) made of a metal or a thermosetting resin, a plastic plate (14) attached to a surface (10a) of the structure (10) with double-sided tape (12), and a non-foamed plastic sheet (A) having a glass transition temperature of ?20° C. or lower arranged between the structure (10) and the plastic plate (14). Also provided is a method for manufacturing the structure body (1) that includes arranging the plastic sheet (A) between the structure (10) and the plastic plate (14) when attaching the plastic plate (14) to the surface (10a) of the structure (10) with the double-side tape (12).