Abstract: A corrosion inhibiting agent is provided as a finely ground powder that is dispensed into a sheath or other casing enclosing a metal bar, cable, or other tension member. The agents are produced by preparing salts of amines with benzoic acid or nitric acid, drying the salts, and grinding and screening the salts to provide a desired maximum particle size. Also disclosed is a dry fogging system through which the powder is applied to metal tension members enclosed in polymeric sheaths or other fluid tight casings.

Abstract: A method for packing polycrystalline silicon in the form of fragments or round rods, wherein at least one film in each case is inserted into a cuboidal cardboard box matched to the dimensions of the polycrystalline silicon to be packed, the polycrystalline silicon is introduced into the at least one film, the at least one film of thickness 10 to 1000 ?m subsequently being welded and enclosing the polycrystalline silicon, and this at least one film being surrounded by a further film having a reinforcing structure or by a shaping element.

Abstract: Disclosed are a vacuum glass panel and a manufacturing method of the same. The vacuum glass panel according to the present invention includes a first glass plate, a second glass plate facing the first glass plate with a vacuum space therebetween, an edge of the second glass plate being in contact with the first glass plate, and a plurality of spacers disposed between the first glass plate and the second glass plates to separate the first glass plate and the second glass plate from each other. The plurality of spacers are formed of a glass including alumina (Al2O3) particles and silica (SiO2) particles.

Abstract: A drying agent enclosed in an organic EL element is sealed with a shape with which particulate contamination becomes less than that of a conventional shape, while still capable of showing a moisture absorption capacity similar to that of a fine powder. A light emitting device, and an electronic device, having long life and having less particulate contamination than in a device manufactured by conventional processes, are provided by using the organic EL element. The drying agent, made from a compound capable of chemically absorbing moisture, is formed as a bulk porous body or a porous film, and is formed along with the organic EL elements within a container cut off from the atmosphere. In addition, the light emitting device and the electronic device are manufactured using the organic EL elements.

Abstract: The present invention relates to a core material for a vacuum insulation panel that is formed with a phenolic resin, a vacuum insulation panel using the core material, and a method for manufacturing the vacuum insulation panel. More particularly, the core material is formed with a cured phenolic resin foam having a closed cell content of 20% or less. The cured phenolic resin foam includes cells whose average diameter is adjusted to 50 to 500 ?m. The cells have fine holes with an average diameter of 0.5 to 30 ?m on the surfaces thereof to allow the cured phenolic resin foam to have a void content of at least 50%. The use of the cured phenolic resin foam ensures high thermal insulation performance and improved structural strength of the core material, and enables the production of the core material at reduced cost.

Abstract: A vacuum insulation material includes a plurality of convex protrusions provided on a surface of a core material that is present inside of the bent vacuum insulation material when it is used in a bent state, and so that the core material on which the convex protrusions are provided in advance is inserted into an outer covering material and vacuum-sealed with the outer covering material. By reducing a contact area between the convex protrusions and an inner side surface of the outer covering material in contact with the surface on which the convex protrusions are provided, it is possible to reduce a frictional force between the core material and the outer covering material.

Abstract: A vacuum insulation panel includes a core material having a bending groove at at least one surface thereof, and an envelope material to cover an outer surface of the core material and an inner surface of the bending groove. Also, a refrigerator with the vacuum insulation panel and a manufacturing method for the vacuum insulation panel are provided.

Abstract: The present invention provides a method of processing cementitious products to substantially reduce or eliminate efflorescence. The method includes applying a protective layer to at least one surface of a slab product at the time of pouring cementitious mix into a mould and retaining the protective layer in place. The protective layer is a relatively thin sheet of plastic material.

Abstract: The present invention relates to insulating inserts, containers comprising them, and methods for assembling them. The present invention also relates to methods for transporting or insulating payloads using them.

Abstract: A vacuum insulation material has excellent thermal insulation even in a high-temperature environment over a long period of time. A core starting material composition is molded into a predetermined shape, the core starting material composition containing a talc-based clay mineral, a potassium compound selected from potassium carbonate and potassium bicarbonate, and water, and the resultant core starting material composition is fired at a temperature lower than a melting point of the talc-based clay mineral, to produce a core material formed of a porous fired body in which a layered structure of the talc-based clay mineral is cleaved and at least a portion of the cleaved structure is partially bonded. This core material is then vacuum packaged in a gas-barrier packaging, to produce the vacuum insulation material.

Abstract: Disclosed herein is a vacuum insulation material, which includes a barrier film and a core, wherein a rigid body thinner than a reference thickness or a getter harder than a reference hardness is formed between the barrier film and the core, or the rigid body thinner than the reference thickness is formed on the getter formed between the barrier film and the core to ensure surface flatness and surface hardness of the vacuum insulation material.

Abstract: A thermal insulator includes a plurality of insulation layers with a first insulation layer spaced apart from a second insulation layer such that there is an open gap there between. At least one of the first insulation layer or the second insulation layer includes a substrate and an infrared-reflective coating on the substrate.

Abstract: A vacuum insulation panel (VIP) in an example comprises first and second walls and a plurality of tensile elements. The first and second walls are structurally coupled to allow formation of a vacuum cavity between the first and second walls. The plurality of tensile elements structurally supports the first and second walls against external pressure contemporaneous with tension on the plurality of tensile elements. The plurality of tensile elements is located in the vacuum cavity between the first and second walls.

Abstract: The present invention relates to a component for producing vacuum insulation systems, comprising at least one insulation layer which is surrounded by a casing, wherein the gas pressure in the insulation layer can be reduced by means provided in the component, wherein the means for reducing the gas pressure is embodified as activatable. The present invention further describes a vacuum insulation system comprising a component according to the invention.

Abstract: A Hollow lightweight panel made of high tensile strength rigid material. The panel comprises multiple parallel elongated cavities. The cavities are sealed and pressurized with gas. The gas pressure acts to resist any deformation of the panel and thereby reinforces and stabilizes the structure. The panel is suitable for use as structural element in aircraft, spacecraft and road vehicles. The panel is especially effective as armor element, as a lightweight backing for hard layers and as rigid under belly and side panels where required to be resistant to bomb and mine blasts.

Abstract: A sheet material for thermal insulation, comprising a flat core of an open-pored material having two parallel extending surfaces, and a circumferential region inter-connecting the surfaces; a first barrier film in contact with a first surface of the core and comprising a sealing layer, and a fully circumferential protrusion of the first barrier film; a flat filter material in contact with a second surface of the open-pored core and disposed oppositely first barrier film and providing a fully circumferential protrusion a second barrier film in contact with the outer face of the flat filter material and comprising at least one sealing layer facing the flat filter material, and a fully circumferential protrusion of said second barrier film; a sealing seam extending circumferentially along the protrusion of the two films and fixing the two films to each other; wherein the filter material is welded circumferentially into the sealing seam, and wherein the volume between the two barrier films and the sealing seam is

Abstract: The present invention relates to a composite core material for a vacuum insulation panel which exhibits excellent initial insulation and long-term durability, a method of manufacturing the same, and a vacuum insulation panel using the same. The vacuum insulation panel includes a composite core material formed of glass fiber wool and a glass fiber board, and an outer skin material having a layered structure comprising a surface protective layer, a metal barrier layer, and a bonding layer from the outside to vacuum-package the core material.

Abstract: A vacuum insulation material includes a core material, and a wrapping member configured to cover the core material, the wrapping member provided with an outermost layer externally exposed, a barrier layer laminated beneath the outermost layer, and a thermal bonding layer disposed beneath the barrier layer and contacting the core material, wherein the barrier layer comprises at least one polyimide film, on which an inorganic layer is laminated. With the configuration, the wrapping member of the vacuum insulation material can be more resistant to high temperature such that the vacuum insulation material can be safe from the risk of deformation, resulting in enhancing reliability of insulation efficiency.

Abstract: A vacuum insulation material includes a core material, and a wrapping member configured to wrap the core material, wherein the wrapping member comprises an outermost layer externally exposed, a barrier layer located beneath the outermost layer and having at least two laminated polymer layers, each polymer layer having an inorganic layer metalized thereon, and a thermal bonding layer located beneath the barrier layer and contacting the core material, wherein the inorganic layers metalized on the polymer layers, respectively, are separated from each other, at least one of the inorganic layers being more than 600 ? in thickness.

Abstract: A prefabricated composite insulation board comprises a facing of a flexible sheet material and a plurality of vacuum insulation panels (VIP) adhesive bonded thereto. A body of insulating foam overlies the vacuum insulating panels and the carrier. There are gaps between adjacent vacuum insulation panels and these gaps are filled with the foam. Alternatively, groups of VIP's may be positioned close to one another and gaps left at defined locations. These gaps may be used to provide regions at which the panel may be cut to a desired length without cutting through and VIP's. External markings such as cut-lines may be provided to indicated the location of these gaps.

Abstract: Composite materials are provided that include an open-cell polymer foam matrix including one or more polymers and, embedded into the polymer foam matrix, granules or shapes which have an open porosity.

Abstract: The invention relates to a vacuum insulation panel comprising a barrier film and a core material having a density in the range from 50 to 350 kg/m3, wherein the core material comprises a mixture of A) from 30 to 100 percent by weight of nanoporous polymer particles which have a cell count in the range from 1000 to 100 000 cells/mm, where at least 60 percent by weight of the nanoporous polymer particles have a particle size of less than 100 ?m in the sieve analysis in accordance with DIN 66165, and B) from 0 to 70 percent by weight of pyrogenic or precipitated silica, and also a process for the production thereof.

Abstract: A vacuum insulation element, which consists of a multi-layer configuration of at least two molded plates, that can be subjected to a vacuum, wherein the molded plates in each case have a surrounding edge region which in each case form a sealing surface, wherein the sealing surfaces of the molded plates are hermetically bonded together in the assembled state thus forming a sealing frame, such that a cavity between the, at least two, molded plates is sealed in a manner that is vacuum-tight, and the structure of the, at least two, molded plates distributes the atmospheric pressure which is applied to the multi-layer configuration when subjected to a vacuum such that the specified structure remains stable, wherein the molded plates have numerous molded structural elements in the shape of projections and depressions which face in opposite directions from the molded plates and the projections, or respectively, depressions which face the other plate respectively rest against each other thereby forming a grid of supp

Abstract: A chamber may have an outer barrier and a tensile member. The barrier is formed from a polymer material that defines an interior cavity. The tensile member is located within the interior cavity and includes (a) a first layer element secured to the barrier, (b) a second layer element secured to an opposite portion of the barrier, and (c) a plurality of I-shaped tether elements that extend through the first layer element and the second layer element. In some configurations, the tether elements may include (a) a first end member located between the barrier and the first layer element, (b) a second end member located between the barrier and the second layer element, and (c) a central member extending through the first layer element and the second layer element and secured to the first end member and the second end member.

Abstract: The invention relates to a vacuum insulation panel (10) comprising a support element (11) in a gas-tight jacket (20) which has at least two components (21, 22), especially film sections that are joined by means of spaced-apart sealing seams/flaps (25a, b). The sealing seams/flaps (25a, b) are positioned especially on a main surface (12) of the vacuum insulation panel (10). Also disclosed is a method for producing the vacuum insulation panel (10) according to the invention.

Abstract: The present invention relates to a vacuum insulation panel to be used as an insulation material, which panel has an improved structure to improve insulation properties over conventional vacuum insulation panels filed with fillers within outer plates. The present panel includes a spacer within vacuumed space, thereby supporting the structure of outer plate against atmospheric pressure and minimizing conductive thermal transfer.

Abstract: A new blood unit cooling system was designed to cool blood rapidly to about 22° C. and maintain it at about that temperature, even in ambient temperature extremes, for several hours. The system incorporating a preferred eutectic solution including 98% 1-dodecanol, 1.5% myristyl alcohol and 0.5% 1-decanol (having, a melting point of about 23° C.) contained in a sealed flexible polymer layer, was used to cool whole blood-filled bags. The preferred design uses inner and outer containers, each made of transparent polyethylene sheets, where the inner compartments are filled with the solution and sealed, and then placed into each compartment in an outer container, wherein two compartments in the outer container are separated by a flattened and sealed portion of the polyethylene.

Abstract: The present invention relates to a core material for a vacuum insulation panel and a method of manufacturing the same. The method includes (a) preparing a solution of an inorganic binder; (b) dipping glass wool into the inorganic binder solution; (c) loading the glass wool on an upper portion of a chamber; (d) creating a vacuum in the chamber to discharge the inorganic binder solution from the glass wool into the chamber; and (e) drying and molding the glass wool into the form of a core material for manufacturing a vacuum insulation panel, thereby enhancing long term-durability of the vacuum insulation panel.

Abstract: Prepare an article by providing an extruded thermoplastic polymer foam having a cavity defined therein and placing a vacuum insulation panel entirely within the cavity.

Abstract: The layered product of the present invention has a base, and a gas barrier layer stacked on the base. The gas barrier layer is formed of a composition that includes a hydrolyzed condensate of a compound (L) containing a hydrolyzable characteristic group, and a neutralized product of a polymer (P) containing at least one functional group selected from the group consisting of carboxyl group and carboxylic acid anhydride group. The compound (L) includes a compound (L1) and a compound (L2). The compound (L1) and the compound (L2) each contains a silicon atom to which the hydrolyzable characteristic group is bonded. The compound (L1) contains an organic group having amino group. The compound (L2) does not contain an organic group having amino group. At least part of the —COO— group in the at least one functional group contained in the polymer (P) is neutralized with a divalent or higher valent ion (E) of a metal element that has a higher electronegativity than calcium.

Abstract: Methods alter the shape of vacuum insulation panels in processes that begin by supplying a previously manufactured vacuum insulation panel. Such a vacuum insulation panel comprises a continuous porous core material surrounded by a sealed airtight cover that is formed in a process such that the sealed airtight cover keeps the pressure level within the vacuum insulation panel below the ambient atmospheric pressure (maintains a vacuum with the vacuum insulation panel). The methods herein form at least one indent into the exterior of the vacuum insulation panel and into the surface of the continuous porous core material, without piercing the sealed airtight cover. After forming such an indent, the methods herein fold the vacuum insulation panel along the indent.

Abstract: Provided are a film for a vacuum heat insulating material which has better gas barrier property as compared with conventional films for a vacuum heat insulating material and which is capable of retaining the excellent gas barrier property even after having been subjected to a folding or deforming process, and a vacuum heat insulating material having a core material hermetically packaged with the film. The film includes a protective layer that is a coextruded and stretched film in which a nylon-based resin, an ethylene-vinyl alcohol copolymer and a nylon-based resin are laminated in this order, a gas barrier layer, and a heat seal layer.

Abstract: The present invention relates to a groove-type vacuum insulation material and a method of manufacturing the same. The groove-type vacuum insulation material includes core materials each having a block shape, at least one lateral wall of which has an inclined surface; a groove-type insulation board, in which the core materials are arranged on a plane of the board to be separated from each other, with the inclined surfaces thereof facing each other; an outer skin material formed in a film pouch shape and surrounding the entirety of upper and lower sides of the groove-type insulation board, the outer skin material being brought into close contact with the groove-type insulation board by vacuum-sealing, and exhibiting bending characteristics in a space between the core materials. The present invention also relates to a method of manufacturing the same.

Abstract: The vacuum insulator includes an internal structure; a filler for filling empty spaces of the internal structure; and an envelope having an upper envelope composed of a metal layer and a polymer layer formed on the metal layer to surround an upper surface of the internal structure, and a lower envelope composed of a metal layer and a polymer layer formed on the metal layer to surround a lower surface of the internal structure, the metal layer of the upper envelope and the metal layer of the lower envelope being opposite to each other, wherein in a certain area along outlines of the upper envelope and the lower envelope, the metal layer of the upper envelope and the metal layer of the lower envelope between which a film composed of a Low density polyethylene LDPE and a Linear-Lowdensity polyethylene LLDPE is inserted, are adhered by heat, and in an area excluding the certain area, the metal layer of the upper envelope and the metal layer of the lower envelope are adhered by polyurethane.

Abstract: A manufacturing apparatus of a core material of a highly reliable vacuum heat insulating material having excellent workability, usability, and heat insulating performance is provided. The manufacturing apparatus of a core material of a vacuum heat insulating material related to the present invention includes: a reel for winding up a fiber assembly which has a predetermined width and is wound on a substantially cylindrical original fabric roll which has been cut to have a predetermined width, at a predetermined number of times; cutting means for cutting the fiber assembly which has been wound on the reel; and a forming member for forming the fiber assembly into a flat-plate-shaped core material after removing from the reel the fiber assembly which has been wound up on the reel at the predetermined number of times and been cut.

Abstract: Disclosed are a vacuum insulation panel, a method for manufacturing the same and an insulation box having the same. By cutting the core material correspondingly to shape and thickness of the absorbent without cut of the core material and pressing the absorbent securing part to form the groove for placing the absorbent therein, the vacuum insulation panel prevents partial deterioration of heat transmission caused by the cutoff of the core material or deterioration of the smoothness caused by placing the absorbent above the core material or between the core materials. Particularly, it is possible to prevent the phenomenon that the periphery is pressed together, which is shown in a conventional press process, to thereby improve the smoothness by cutting the core material in shape and depth corresponding to the shape and thickness of the absorbent prior to the press of the absorbent securing part.

Abstract: A corrosion inhibiting agent is provided as a finely ground powder that is dispensed into a sheath or other casing enclosing a metal bar, cable, or other tension member. The agents are produced by preparing salts of amines with benzoic acid or nitric acid, drying the salts, and grinding and screening the salts to provide a desired maximum particle size. Also disclosed is a dry fogging system through which the powder is applied to metal tension members enclosed in polymeric sheaths or other fluid tight casings.

Abstract: A highly reliable vacuum heat insulating material having excellent workability, usability, and heat insulating performance, and a heat insulation box using the vacuum heat insulating material are provided. A vacuum heat insulating material includes: a first fiber assembly made by aligning a plurality of sheet-shaped fiber assemblies, which are continuous in a length direction, so as to be next to each other in a width direction; a second fiber assembly provided so as to overlap the first fiber assembly and made by aligning a plurality of sheet-shaped fiber assemblies, which are continuous in the length direction, so as to be next to each other in the width direction; and a core material formed in a flat plate shape by winding up the first fiber assembly and the second fiber assembly continuously from inside toward outside while being displaced by a predetermined amount Xb in the width direction.

Abstract: The vacuum insulator includes an internal structure; a filler for filling empty spaces of the internal structure; and an envelope having an upper envelope composed of a metal layer and a polymer layer formed on the metal layer to surround an upper surface of the internal structure, and a lower envelope composed of a metal layer and a polymer layer formed on the metal layer to surround a lower surface of the internal structure, wherein the metal layer of the upper envelope and the metal layer of the lower envelope being opposite to each other, wherein at an area facing the internal structure in an end of the envelope, the upper envelope and the lower envelope are adhered by a heat adhesion part, and at an area opposite to the internal structure in the end of the envelope, the upper envelope and the lower envelope are adhered by polyurethane.

Abstract: A highly reliable vacuum heat insulating material having excellent processability, handleability and heat insulating performance, and a heat insulating box using the vacuum heat insulating material are provided. In the vacuum heat insulating material with the inside in an approximately vacuum state by sealing a core material 5 having a structure wherein plural pieces of fiber assembly 1 are laminated by a gas-barrier outer cover material 4, by using long fiber for the core material, fiber dust or remaining fiber by cutting is prevented from protruding into a sealing portion of the outer cover material from a cut surface of a sheet or an opening portion, and sealing failure is reduced. Further, since the core material is structured so as to be wound continuously from an inner side toward an outer side, the vacuum heat insulating material is easily manufactured, and excellent in handleability.

Abstract: In a vacuum thermal insulating material having a core material enclosed in a gas barrier container whose inside is made to be a decompressed state, the core material has a lamination structure in which a plurality of sheet-shaped long fiber organic fibrous assemblies are continuously wound up from an inner periphery to an outer periphery. Then, a plurality of sheet-shaped organic fibrous assemblies are arranged in parallel and sheet-shaped multiple organic fibrous assemblies having joint sections are formed. The joint sections are made not to overlap with the upper and lower of joint sections.

Abstract: A method for fabricating an air-filled cellular structure for use as a resilient cushion. The method includes providing a molding structure including a shelf substantially surrounding a depression, and a platform that fits within the depression and is selectively movable between a plurality of positions relative to the shelf, moving the platform to a preselected position relative to the shelf, wherein the preselected position corresponds to a substantially predetermined amount of air to be contained by the air-filled cellular structure, and using a vacuum device to draw air from within the depression.

Abstract: A vacuum insulation panel and to a method for manufacturing same. The method comprises: (a) a step of laminating a plurality of glass fiber boards to form a core, wherein the glass fiber boards are produced by a papermaking method using glass fiber dispersed in an inorganic binder; (b) a step of forming an outer cover having a structure in which a surface protection layer, a metal barrier layer, and an adhesive layer are laminated; (c) a step of producing a getter by packing quicklime (CaO) powder in a pouch; (d) a step of attaching the getter onto the core, or inserting the getter into the surface of the core; and (e) a step of forming the outer cover into a bag body, inserting the core from step (d) into the bag body, and sealing the bag body, thereby improving long-term durability of the vacuum insulation panel.

Abstract: To provide a cost-effective, stable vacuum insulation panel (10) having at least one lead-through (20) in a main surface (16) of an insulating material supporting body (14) and having a vacuum-tight film envelope (17), it is proposed that the lead-through (20) is formed as a bush (30) with an outer side (32) facing the insulating material supporting body (14) and that on the first bush end (36) is provided a first, preformed collar (37) extending radially away from the bush (30) into the main surface (16) and, opposite said collar, is provided a second collar (39) formed by thermal deformation of the second bush end (38), wherein the vacuum-tight film envelope (17) is welded to the collars (37, 39). A corresponding method for producing the panel is also described.

Abstract: A gas-barrier heat-seal composite film is provided. The gas-barrier heat-seal composite film includes a heat-seal layer including very low density polyethylene (VLDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), high density polyethylene (HDPE), metallocene polyethylene (mPE), metallocene linear low density polyethylene (mLLDPE), ethylene vinyl acetate (EVA) copolymer, ethylene-propylene (EP) copolymer or ethylene-propylene-butene (EPB) terpolymer, and a gas-barrier layer formed on the heat-seal layer, wherein the gas-barrier layer includes a plurality of composite layers, each including a polymer substrate and a single layer or multiple layers of metal or oxide thereof which is formed on one side or both sides of the polymer substrate, and the polymer substrate includes uniaxial-stretched or biaxial-stretched polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyimide (PI), ethylene/vinyl alcohol (EVOH) copolymer or a combination thereof.

Abstract: A new blood unit cooling system was designed to cool blood rapidly to about 22° C. and maintain it at about that temperature, even in ambient temperature extremes, for several hours. The system incorporating a preferred eutectic solution including 98% 1-dodecanol, 1.5% myristyl alcohol and 0.5% 1-decanol (having a melting point of about 23° C.) contained in a sealed flexible polymer layer, was used to cool whole blood-filled bags. The preferred design used double-layered transparent polyethylene, with two sealed compartments filled with the solution, separated by a flattened and sealed portion between them. One of the two sealed compartments contacts one side of the blood bag and the other compartment is folded over to contact the other side of the blood bag. The transparent compartments allows an operator to verify at any time whether the solution is in a solid state, and the flexibility of the compartments eases the proper positioning of them around a blood bag.

Abstract: Disclosed are a vacuum insulation member, a refrigerator having a vacuum insulation member, and a method for fabricating a vacuum insulation member. The vacuum insulation member includes: an envelope having gas impermeability and having a certain decompressed space therein; and a core having a certain shape, having an empty space formed therein, and disposed at an inner side of the envelope to support the envelope. The use of a glass fiber core can be avoided, and thus, employing equipment for preprocessing the glass fiber core and time required therefor can be restrained and fabrication can be facilitated.

Abstract: A core of a vacuum insulation member and a vacuum insulation member using the same are disclosed. The core of a vacuum insulation member includes: a plurality of plates which are spaced apart from each other; and a support member supporting the plurality of plates between the plates.

Abstract: Disclosed are a vacuum insulation member, a refrigerator having a vacuum insulation member, and a method for fabricating a vacuum insulation member. The vacuum insulation member includes: an envelope having gas impermeability and having a certain decompressed space therein; a core formed as a structure for maintaining a certain shape and disposed at an inner side of the envelope to support the envelope; and a filler formed as powder having micro pores and filled at the inner side of the envelope. The use of a glass fiber core can be avoided, an internal vacuum degree can be easily maintained, and a life span can be lengthened.

Abstract: Disclosed is a vacuum insulation member having a uniform insulation thickness, a refrigerator having a vacuum insulation member, and a method for fabricating a vacuum insulation member. The vacuum insulation member includes: an envelope having gas impermeability and having a certain decompressed space therein; and a core including a plurality of laminated mesh members to support the envelope at an outer side of the envelope.