WO2002031305A1

WO2002031305A1 - Fireproof repository

Info

Publication number: WO2002031305A1
Application number: PCT/JP2001/008681
Authority: WO
Inventors: Kurara Sakamoto; Takeshi Ario; Toshio Miyake
Original assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
Priority date: 2000-10-06
Filing date: 2001-10-02
Publication date: 2002-04-18
Also published as: EP1323886A4; JP2003082936A; EP1323886A1; JP5077861B2

Abstract

A fireproof repository having a fire resistance capable of preventing quality degradation of stored articles even when subjected to high temperature conditions, and having a superior portability. The fireproof repository comprises a repository section having an opening in a portion thereof, and a cover capable of closing the opening in the repository section to keep the interior thereof in a sealed state and capable of opening the interior as the occasion demands, characterized in that the repository section is of multilayer construction including three layers, i.e., an outer layer, an intermediate layer and inner layer as seen from exterior to interior, in which multilayer construction, the outer layer is a layer of a refractory heat insulating material whose bulk specific gravity is not more than 1.0 g/cm3, the intermediate layer is a layer of a material having an air layer and/or endothermic property, and the inner layer is a layer of an incombustible material whose bulk specific gravity is not more than 2.0 g/cm3.

Description

Description Fireproof storage Technical field

The present invention relates to a novel fireproof storage, and in particular, has a fireproof performance capable of preventing qualitative deterioration of stored articles even when exposed to high temperature conditions, and is excellent in portability. It relates to fireproof storage. Technology background

In a conventional fireproof storage such as a fire-resistant safe, the heat capacity (specific heat and mass) of the wall is increased by using a relatively large amount of material, such as concrete, having relatively high specific heat for the wall of the storage. ), Thereby achieving fire resistance. For this reason, the weight of the whole becomes enormous. Regardless of whether it is for business use or for home use, a fireproof storage that is premised on storing valuable items such as money, precious metals and securities, as long as the intended fireproof performance is achieved, is enormous. The characteristic of weight tends to be welcomed rather than anti-theft. For this reason, there has not been much interest in reducing the weight of fireproof storage to date.

However, despite its excellent fire resistance, fires and fires in high-rise buildings and earthquakes ■ Fire-resistant vaults, such as fires caused by volcanic eruptions, are inconsistent in the time it takes to extinguish a fire. In such a case, there is no guarantee that the stored items can be kept stable. In order to cope with such a situation, the fireproof storage must be taken out of the fire spot as quickly as possible. Must be said to be virtually impossible. No. The establishment of a fire-resistant storage that has sufficient fire resistance and excellent portability will solve such problems.

On the other hand, in the present age where interest in goods having property value, such as works of art, has increased, there has been an increasing demand for safe storage of such articles, both private and publicly owned. Therefore, the present inventors examined whether or not the fire-resistant storage, which is currently widely used, can be used for storing such articles having the fire resistance performance. As a result, "Japanese Industrial Standards, Fireproof Safe, JISS 1037: 1998" (revised on March 20, 1999, published by the Japan Standards Association) (hereinafter abbreviated as "JIS Fireproof Safe") )) The fire resistance of a conventional fire-resistant storage such as a “for general paper” fire-resistant storage is generally based on the fact that the storage items are distinguished when the storage is exposed to high-temperature conditions. It was found that although it was maintained as much as possible, it was not always sufficient for storing articles such as artworks for which avoiding qualitative deterioration is desired. In view of the above, the present inventors have developed a fireproof storage that has both excellent fireproof performance that can prevent qualitative deterioration of stored articles and portability that can cope with scenes such as fires described above. Concluded that the potential demand was extremely large.

By the way, there are a few proposals for fireproof storage with improved portability. For example, there is a lightweight portable fireproof storage disclosed in Utility Model Registration No. 3033362 and a fireproof storage disclosed in Japanese Patent Application Laid-Open No. H10-61332. . In the above publication, the effect of the invention, the storage proposed by the first proposal stated that "it was possible to reliably protect it from fire simply by storing it in a widely used relatively inexpensive fireproof storage." As is evident from the above, while it has excellent portability, it is difficult to say that sufficient fire resistance is not necessarily exhibited when used alone. The storage proposed by the second proposal is described in the above-mentioned gazette and in the section of the problem to be solved by the invention, "In addition to ensuring excellent fire resistance, Providing a fireproof storage room with improved usability by reducing the weight as much as possible '', it is clear from the description that the feature of the proposal is that the fire resistance performance is at the same level as the conventional one. The aim is to reduce the weight of the fireproof storage while maintaining it, and it is not intended to significantly improve the fireproof performance. However, none of these proposals has sufficient practicality. As described above, fireproof storage, which has both excellent fire resistance performance that can prevent qualitative deterioration of stored items and portability that can cope with fires such as those described above, has a large potential demand. Nevertheless, it has not been established at all. Disclosure of the invention

In view of such circumstances, an object of the present invention is to provide a fireproof storage having fireproof performance capable of preventing qualitative deterioration of stored articles even when exposed to high-temperature conditions, and having excellent portability. To do that.

First, the inventors of the present invention stipulated that the performance of the fireproof storage `` for general paper '' specified in the JIS fireproof safe, that is, the permissible internal temperature of 177 ° C or less, was to avoid qualitative deterioration as described above. Preliminary experiments confirmed that the present invention is not sufficiently satisfactory in the fire resistance intended for the storage of artworks, etc., which is desired, and that the fire resistance far surpassed this and was excellent. We worked diligently to establish a portable fireproof storage.

However, as long as various combinations of common materials used in conventional fireproof storage were tried, no satisfactory results were obtained. Therefore, the present inventors changed their ideas and continued their research by focusing on materials other than those usually used for fireproof storage. As a result, the refractory storage is formed from the outside to the inside by a multi-layer structure including the outer layer, the middle layer, and the inner layer, and in the multilayer structure, the refractory storage is used as the outer layer. Of as a partial structure has not been adopted conventionally, the bulk specific gravity 1 by refractory insulation material. O g Z cm ³ adopts the following layers, in combination with this, an air layer and or endothermic as an intermediate layer When a layer containing a material having characteristics and a layer having a bulk specific gravity of 2.0 g / cm ³ or less made of a non-flint material are used as the inner layer, a fireproof storage that sufficiently solves the problems of the present invention is required. It was found that it can be obtained. The present invention has been made based on the above-described completely unique results of the present inventors.

That is, according to the present invention, a storage unit having an opening in a part thereof, the opening of the storage unit can be closed and the inside thereof can be kept in a sealed state, and the inside can be opened as necessary. A fireproof storage comprising a lid which can be put into a state, wherein the storage is formed by a multilayer structure including three layers of an outer layer, an intermediate layer and an inner layer from the outside toward the inside. Li, in its multi-layer structure Te, the outer layer has a bulk density 1 by refractory insulation material. O g Z cm ³ a following layer, the intermediate layer is a layer containing a wood charge having an air layer and / or endothermic characteristics This problem is solved by providing a refractory storage in which the inner layer is a layer made of a non-combustible material and having a bulk specific gravity of 2.0 g / cm ³ or less.

BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is a diagram showing endothermic characteristics of hydrated crystalline trehalose.

Figure 2 shows the standard temperature curve for the standard heating test specified in the JIS fireproof safe.

FIG. 3 is a diagram schematically showing a longitudinal section of an example of the fireproof storage (Example 1, Fireproof storage A) of the present invention.

FIG. 4 shows another example of the fireproof storage of the present invention (Example 1, fireproof storage B). It is a figure which shows the longitudinal cross section typically.

FIG. 5 is a diagram schematically showing a vertical cross section of still another example of the fireproof storage of the present invention (Example 1, fireproof storage C).

FIG. 6 is a diagram showing a change in the internal temperature when the refractory storage (A, B, C) and the control storage (XX ₂ ) of the present invention were subjected to a 1-hour standard heating test.

FIG. 7 is a view schematically showing a longitudinal section of another example (Example 2) of the fireproof storage of the present invention.

FIG. 8 is a view schematically showing a longitudinal section of still another example (Example 3) of the fireproof storage of the present invention.

FIG. 9 is a diagram schematically showing a vertical cross section of still another example (Example 4) of the fireproof storage of the present invention.

FIG. 10 is a diagram schematically showing a longitudinal section of still another example (Example 5) of the fireproof storage of the present invention.

FIG. 11 is a perspective view schematically showing an appearance of a fireproof storage of the present invention according to Embodiment 5 when the storage and the lid are independent of each other.

Explanation of reference numerals

Storage department

a outer layer

Inner layer

Middle class

Spacer-temperature rise inhibitor

Waterproof layer

g, 1 h Outermost layer 2 Lid

2 a Lid layer corresponding to the outer layer in the storage area

2 b Layer of lid corresponding to inner layer in storage

2 c Layer of lid corresponding to middle layer in storage

Lid corresponding to the space in the 2d storage

Spicers in

2 f Layer of lid corresponding to waterproof layer in storage

2g, 2h Lid layer corresponding to the outermost layer in the storage area

3 Storage articles Best mode for carrying out the invention

FIG. 4 schematically shows a vertical cross section of an example of the fireproof storage of the present invention. The storage is provided with a storage 1 having an opening in a part thereof, and an interior of the storage with the opening provided by the storage being closed. And a lid 2 that can be kept open and the interior can be opened as needed. The storage unit 1 has an outer layer 1 in order from the outside to the inside. a, at least the intermediate layer 1 c and the inner layer 1 b formed Ri by the multi-layer structure including three layers, Oite its multilayer structure, the outer layer 1 a has a bulk specific gravity 1 by refractory insulation material. 0 g _C m ^The middle layer 1 c is a layer containing an air layer and a material having heat absorption characteristics, and the inner layer 1 b is a layer having a bulk specific gravity of 2.0 g / cm ³ or less made of a noncombustible material. Characterized in that it is a layer. In the example of FIG. 4, the lid 2 is composed of an outer lid composed of a layer 2a corresponding to the outer layer 1a in the storage unit 1 and a layer 2b corresponding to the inner layer 1b in the storage unit 1. The inner lid is made of a member independent from the inner lid.When both members are used to close the opening of the storage unit 1, the space between the lid layers 2a and 2b However, a layer 2c corresponding to the intermediate layer 1c in the storage section 1 is formed. In Fig. 4, Reference numeral 3 indicates a storage item.

The outer layer of the multilayer structure to form a depot of the refractory depot, by refractory insulation material, bulk density, usually, 1. 0 gcm ³ or less, is desirable and rather, 0. 5 g Z cm ³ or less, More preferably, there is no particular limitation on the physical properties and chemical composition of the material as long as the layer has a thickness of 0.4 g Z cm ³ or less and exerts the effect of solving the problem of the present invention. Instead, it may be a layer made of a single substance or a layer made of a composition containing a plurality of substances. Although the lower limit of the bulk density of the outer layer is not particularly limited from the viewpoint of portability of the refractory vault, from the viewpoint of maintaining the physical strength of the refractory vault is typically, 0. 2 gcm ³ or more, desired More preferably, it is 0.25 g Z cm ³ or more. Other properties suitable for the outer layer include heat resistance, typically when exposed to temperature conditions up to 1000 ° C., and preferably up to 1200 ° C. And / or heat resistance that does not substantially lose the original mechanical strength thereafter, and for heat insulation, it is usually 0.15 W / (m-K) at 600 ° C. Hereinafter, desirably, a heat insulating property showing a thermal conductivity of 0.12 W or less (m−K) or less is mentioned. Further, when the outer layer has a moderate flexibility capable of absorbing an external impact, it may be advantageous in providing the outermost layer outside the outer layer (described later). Examples of the fire-resistant heat-insulating material that can be used in the present invention include ceramic fiber and alumina fiber, as well as ceramics (for example, a lightweight fiber disclosed in Japanese Patent Application Laid-Open No. 2000-109381). In the practice of the present invention, this may be used after being formed into a layer having the above characteristics by a conventional method. In addition, commercially available ceramic fiber boards, such as “Isour 125 Board” (manufactured by Isolite Industries Co., Ltd.) are used as layers (plates) having the above characteristics. Since it is formed in advance, it can be advantageously used in the practice of the present invention. The thickness of the outer layer depends on the structure of the other layers to be combined, It is appropriately selected in consideration of the type of the tube article, the field of use of the fireproof storage, and the like. For example, in the case of a commercial or household storage comprising an outer layer made of the above-mentioned commercially available product, the outer layer usually has a thickness of 1 Omm or more, preferably, A range of 20 to 400 mm, more preferably 50 to 200 mm, is preferable.

Inner layer in a multilayer structure to form a depot of the fireproof safe, according to non-combustible material, bulk density, typically, 2. 0 g Roh cm ³ or less, rather then desired, 0.5 to 1. 5 g Z cm ³ , more preferably 0.8 to 1.2 g Z cm ³ , as long as it has the effect of solving the problem of the present invention. The chemical composition is not particularly limited, and may be a layer made of a single substance or a layer made of a composition containing a plurality of substances. Regarding the nonflammability of the inner layer, it is generally preferable that the inner layer does not substantially ignite or ignite under a temperature condition of 800 ° C. or less, preferably 100 ° C. or less. is there. Also, it is desirable that the inner layer be capable of securing a heat capacity within a range that does not adversely affect the portability of the fireproof storage. Suitable properties for securing the desired heat capacity include, in addition to the above bulk specific gravity, an appropriate heat conductivity, usually 0.6 WZ (m-K) or less at 350 ° C. Or less than 0.4W (m-K). Examples of non-combustible materials that can be used in the present invention include, for example, “Japanese Industrial Standards, Fire-Resistant Insulating Bricks, JISR 2611: 1992” (revised May 1, 1992, Japan Standards Association) Issued) and fire-resistant insulated bricks that meet the criteria C-11. These can be used after processing them into the desired shape as required. It is also optional to use a commercial product that satisfies the above criteria, for example, a brand name “Isolate C-1” (manufactured by Isolite Industries, Ltd.). The thickness of the inner layer is appropriately selected in consideration of the structure of the other layers to be combined, the types of storage articles to be assumed, the field of use of the fireproof storage, and the like. For example, according to the commercial products mentioned above When used as a storage for business or home use, including the inner layer, the thickness of the inner layer is usually 1 mm or more, preferably 2 to 40 mm, and so on. More preferably, a range of 5 to 20 mm is suitable.

The multilayer structure forming the storage section of the fireproof storage of the present invention further has an intermediate layer located between the outer layer and the inner layer as described above. The intermediate layer is a layer containing a material having an air layer and / or an endothermic property. When an air layer is provided as the intermediate layer, an appropriate spacer may be located between the outer layer and the inner layer by a conventional method. Providing an air layer as an intermediate layer is particularly advantageous in improving the portability of the fireproof storage.

On the other hand, when a layer containing a material having endothermic properties is provided as the intermediate layer, the fire resistance performance of the fireproof storage can be further improved. There is no particular limitation on the characteristics or chemical composition of the material having this endothermic property as long as the material has the effect of solving the problem of the present invention when the intermediate layer is formed in the fireproof storage. It may be a single substance or a composition comprising a plurality of substances. Materials having endothermic properties that can be used in the present invention include, for example, generally in the range of about 80 ° C. to about 200 ° C., preferably about 90 ° C. to about 150 ° C. In the range of ° C, there are inorganic or organic materials having endothermic properties that cause endothermic reactions without being affected by humidity. Examples of such inorganic materials that can be used in the present invention include, in detail, inorganic materials that can take the form of hydrates, such as sodium thiosulfate, sodium hydrogen phosphate and sodium sulfate. Tritium and the like can be mentioned. Specific examples of such organic materials that can be used in the present invention include glucose, maltose, lactose, and trenopenose (a, α-trehalose; Unless otherwise stated, a, α — Treha. Loin is referred to as “tre / loin”.). Neotrehalose (α, β—trehalose), raffinos, rhamnose. Monosaccharides or oligosaccharides such as erythritol, xylitol , Sugar alcohols such as sorbitol, maltitol, lactitol, α-cyclodextrin, monocyclodextrin, r-cyclodextrin, and cyclodextrins containing these glycosyl derivatives And cyclic tetrasaccharides (cyclic tetrasaccharides are described, for example, in Gem's Bloodbrook, et al., “Carbohydrate Research”, Vol. 329, pp. 655-665 (2000). ) Describes “Cyclic 'tetrasaccharide” and details its crystal structure.) And carbohydrates such as cyclic carbohydrates containing its glycosyl derivatives . Among the above materials, in the case of a hydrated crystal or a hydrate, the material in such a form has an endothermic characteristic due to the release of bound water and a release due to the release of bound water. This is particularly useful in the practice of the present invention because it also has the property of suppressing drying inside the storage section. Further, in addition to the above-mentioned endothermic characteristics, those having a characteristic of less risk of generating a toxic gas when heated are more desirable. It is particularly advantageous in the practice of the present invention because there are relatively few concerns. One particularly desirable material from the above viewpoints is hydrated crystalline trehalose. A commercially available product of such a saccharide is, for example, a product name “Treha” (registered trademark, Hayashibara Co., Ltd.) Trading). By the way, Fig. 1 shows the endothermic characteristics of the hydrated crystalline trehalose (unit time) using the commercial product under the condition of 10 ° C / min at a temperature of 50 ° C to 170 ° C. ■ The endothermic amount per unit weight) was measured by a differential scanning calorimeter. This result shows that hydrous crystalline trehalose has endothermic characteristics that are advantageous for implementing the present invention. ing. In order to form an intermediate layer using the above-mentioned materials, for example, a layered material is formed in advance using one or more materials selected as appropriate according to the purpose using an appropriate binder or the like. Alternatively, the material may be filled in the space provided in the outer layer and the inner layer. The thickness of the intermediate layer depends on the structure of the other layers to be combined. It is selected as appropriate in consideration of the type of storage items expected, the field of use of the storage, and the like. For example, when used as a storage for business or home use, the thickness of the intermediate layer is usually 1 mm or more, preferably <2 to 40 mm, and more preferably. Desirably, a range of 5 to 20 mm is suitable. Further, in the refractory storage of the present invention, as an intermediate layer, a structure including two or more layers in which the above-described air layer and a layer containing a material having endothermic properties are adjacent to each other is adopted. Further, a structure partially including a material having an endothermic property, for example, a structure in which a layer of the material has an appropriate gap may be employed.

Although the multilayer structure forming the storage part in the fireproof storage of the present invention is basically based on the above-described structure, an outermost layer may be further provided outside the above-mentioned outer layer, if necessary. For example, when providing the outermost layer made of metal or ceramic (porcelain), the outer layer of the storage section is prevented from being exposed to a direct fire such as a fire, and as a result, the rise of the internal temperature is reduced. This has the advantage that it can be suppressed more effectively. Further, such an outermost layer also has a function of protecting the inner structure from external impact. When a metal layer or a ceramic layer is provided as the outermost layer, when the refractory storage is exposed to a temperature change, the difference in the expansion coefficient between the metal layer and the structure inside the metal layer is increased. As a result, stress is applied to the inner layer, for example, the outer layer in the above-mentioned storage section, and as a result, the inner layer is deformed or cracked, thereby increasing the internal temperature. This can have an adverse effect on suppression. Such a problem can be avoided by using a layer as thin as possible as the outermost layer, and by making the structure such that the thin layer does not completely adhere to the inner layer. In addition, a flexible and fire-resistant buffer layer shall be provided on the inner surface in contact with the outermost layer, or the inner layer in contact with the outermost layer shall be a layer formed of a material having appropriate flexibility. This kind of problem Can be avoided. The thickness of the outermost layer is appropriately selected according to the type of the material. For example, the ceramic layer has a relatively high heat resistance, usually a heat resistance that can withstand a temperature condition up to 100 ° C. When using a material having a thickness of about 1 to 20 mm, desirably 5 to 10 mm, and for the metal layer, when using copper or aluminum, a thickness of about 2 mm Hereinafter, when iron or stainless steel is used, when the thickness is set to about 0.5 mm or less, the above-described problems can be effectively avoided while improving the fire resistance and the impact resistance. On the other hand, when the outermost layer is not provided, or when the outermost layer is provided by a layer made of a permeable sheet such as paper, cloth (cross), wood, etc., the fireproof storage shall be It has the advantage that the humidity inside the storage can be adjusted by adjusting the external environment under normal temperature conditions. By providing a layer made of a material that can be appropriately colored such as paper, cloth, wood, or the like as the outermost layer, it becomes easy to decorate the fireproof storage with a desired color or pattern.

In addition to the above-described multilayer structure, if necessary, it is also possible to advantageously provide a waterproof layer between the outer layer and the intermediate layer. For example, it is assumed that the fireproof storage will receive water during fire fighting in the event of a fire, but if the intermediate layer in the storage is a layer made of inorganic or organic material, May dissolve in the released water and flow out of the middle layer, adversely affecting the performance of the fireproof storage and may cause problems such as preventing the storage from being reused . Such a problem can be avoided by installing the waterproof layer as described above. The material and performance of such a waterproof layer are not limited as long as they do not interfere with the function of the storage of the present invention. For example, a sheet laminated with aluminum foil can be advantageously used.

In the fireproof storage of the present invention, the above-described outermost layer, outer layer, waterproof layer, intermediate layer, inner layer, or the inner layer of the inner layer, or the space between the layers. — One or more of the layers or all or part of the space may be provided with layers that meet or do not meet the requirements of any of these layers, as appropriate. . By adopting such a structure, although the portability is slightly inferior, the fire resistance can be further improved. For example, a layer made of a relatively excellent non-combustible material such as calcium silicate or foam concrete is in contact with an appropriate space, usually any inner layer or space of the outer layer, and preferably an outer layer. However, by providing it inside the outer layer, it is possible to further improve the fire resistance performance of the fireproof storage. Also, for example, depending on the shape (described later) of the refractory storage, when exposed to a heating condition, a portion where the temperature becomes high locally may occur. By partially providing the above, it is possible to advantageously reinforce the fire resistance of the portion where the temperature is expected to be locally high. Specifically, the corners of the middle and inner layers of the box-shaped refractory storage may become hotter than the middle and inner layers other than the corners, depending on the conditions. This can be avoided by providing another layer as described above, preferably an outermost layer of a fire-resistant material, at a location corresponding to a part of the corner.

The storage part in the fireproof storage of the present invention is formed by the multilayer structure as described above. The storage unit has an opening in a part thereof, and is formed by the above-described multilayer structure when the inside is hermetically closed in combination with a lid capable of closing the opening. The procedure for its formation and the structure when it is independent of the lid are not specified. For example, the storage unit prepares in advance a structure of a desired shape such as a flat plate having a target multilayer structure, and uses the structure as a component to form a desired structure such as a box having an opening in a part. Can be formed by assembling into a shape You. Also, for example, first, a structure having a desired shape such as a box shape having an opening in a part, which is substantially composed of only an outer layer, is first prepared, and another layer such as an intermediate layer and an inner layer is sequentially laminated thereon. By doing so, the storage section can be formed. Further, as a structure of the entire fireproof storage, as shown in FIGS. 10 and 11, the lid 2 has a box-like shape having an opening at a part thereof, and the storage When a structure is adopted in which the inside of the storage is sealed by inserting part 1 into this lid 2, the lid 2, the outer layer, the middle layer, the inner layer, etc. in the storage If a corresponding desired layer is provided, the storage unit 1 which is independent of the lid 2 is not necessarily an outer layer or an intermediate part in a portion corresponding to the lid having the desired layer. It is not necessary to have all three layers, the inner layer and the inner layer. In addition, the shape of the storage section is not limited to a specific one. For example, in addition to a box shape, the types of storage articles to be assumed, such as a column, a cone, a prism, a pyramid, a sphere, and the like, It can be selected as appropriate in consideration of the design. Furthermore, the position of the opening in the storage unit can be appropriately selected from the top, side, and bottom according to the purpose. The lid in the fireproof storage of the present invention can close the opening of the storage described above to keep the inside closed, and the inside can be sealed as necessary. It is a structure that can be opened. It is desirable that the lid has the same multilayer structure as that of the storage section described above. However, depending on the shape and performance of the storage section, the area of the opening in the storage section, etc., the lid may not be used. As long as the effect of solving the problem of the invention is not lost, a part of the multilayer structure may be omitted or partially modified. For example, including the layer corresponding to the outer layer in the storage section described above, the layer corresponding to the intermediate layer and / or the inner layer as necessary, and the outermost layer and / or the waterproof layer as necessary. Those comprising a multilayer structure containing corresponding layers can usually be advantageously used as the lid in the present invention. Further, the lid may have a structure composed of two or more independent lid members including any of the above layers, such as an outer lid and an inner lid. At this time, it is optional that the respective lid members have a structure in which they are in close contact with each other, or a structure in which an appropriate space is provided between the lid members. In the case of a structure, the space will perform the same function as the air layer in the middle layer of the storage. The shape of the lid for sealing the interior of the storage unit and the method for sealing the lid are determined according to the shape of the storage unit and the lid within a range that does not lose the effect of solving the problem of the present invention. It can be selected as appropriate. For example, for a storage unit having an opening on the upper surface, as shown in FIGS. 3 to 5 and FIGS. The closed state in the storage unit is achieved by forming the opening so as to close the opening without any gap, and placing the lid from above the storage unit. In addition, as shown in FIG. 10 and FIG. 11 in which a cross-sectional view and a perspective view are respectively shown as a lid part 2, the lid part surrounds the outer periphery of the storage part without a gap, and has an opening partly. When a box-like shape is formed, the desired hermetically closed state is achieved by inserting the storage section into this lid. On the other hand, irrespective of the position of the opening in the storage unit, the lid is formed into, for example, a plate-like shape capable of sealing the opening, and the lid is opened using metal fittings or the like. If the lid is attached to one end so that it can be opened and closed, the closed state and the open state of the storage section can be appropriately achieved without separating the lid section from the storage section. It is to be noted that the fireproof storage of the present invention configured as described above may be provided with handles, wheels, and the like, as necessary, to improve portability, and to have a locking function.

The storage of the present invention configured as described above is generally used in the "1 hour standard heating test" specified in the J.IS fireproof safe. It has fire resistance performance that far surpasses that of fire, and has excellent portability. First, the outline of the standard heating test specified in the above-mentioned standard is as follows. First, a test rest (fireproof storage) is installed inside the test furnace as a heating furnace for testing, and the entire surface except the bottom of the test subject is almost covered. A furnace is prepared that can uniformly change the temperature over time along the standard temperature curve shown in FIG. A test object with a thermometer (thermocouple) placed inside and on the surface is placed in the test furnace, and the test object is heated by the test furnace so that the surface temperature of the test object changes along the standard temperature curve. I do. During this time, the internal temperature of the subject is measured at any time. The heating is stopped when a predetermined time has elapsed, and then the sample is allowed to cool. Then, the internal temperature of the subject is measured (“1 hour standard heating test”, “2 Time standard heating test ”). The performance of "1 hour fire resistance for general paper" specified in the above standard means that a subject is heated for 1 hour according to this standard heating test, and then left to cool until a decrease in the internal temperature of the subject is observed. The ability to maintain the internal temperature peak not exceeding 177 ° C. The refractory storage of the present invention, in this one hour standard heating test, has an internal temperature of the refractory storage which is significantly lower than 177 ° C, usually 165 ° C or less, and preferably , 150 ° C. or lower, and more preferably, 130 ° C. or lower. In addition, while having such fire resistance performance, the fire resistant storage also has excellent portability. Although it depends on the capacity and performance, for example, the conventional fireproof storage for general paper with a capacity of 201 is usually at least 8 O kg in total weight and sometimes at least 100 kg in some cases. The total weight of the refractory storage at the same capacity is usually 40 kg or less, preferably 20 kg or less, and more preferably 10 kg or less in the same capacity.

The refractory vault of the present invention as described above includes not only articles, such as banknotes, coins, precious metals, securities, titles, etc., which are intended for ordinary refractory vaults, but also paintings, hangings, etc. Shafts, pottery, porcelain, lacquerware, swords, swords, swords, antiques, and other artefacts, including antiques, etc. It is especially useful as a storage for storage. Further, the structure of the fireproof storage disclosed by the present invention can be applied to structures other than the storage. Applications include, for example, containers for goods of various sizes, from personal suitcases to containers for vehicles, ships and airliners, storage of goods for home or business use. Examples include boxes, storage boxes, storage boxes, etc., the body of electronic equipment, and the covering structure of electronic equipment in buildings. In addition, one feature of the fireproof storage according to the present invention is that the weight is reduced. Therefore, the structure can be applied to a structure having a larger size. For example, the structure of the fireproof storage according to the present invention is used as a wall material in a building, and is used not only in a general building but also in a building such as a storage warehouse for articles in which it is desired to avoid qualitative deterioration. In other words, the main part of a building is fired by forming a room in the building or adopting a structure that covers steel structures and seismic isolation devices in buildings, especially high-rise buildings. It is used in the structure of the body of vehicles such as vehicles, ships, airplanes, etc. to improve its fire resistance, and is also used for round trips outside the atmosphere, such as space shuttles. By adopting the hull structure of a spacecraft that is used repeatedly, it is possible to advantageously reduce the temperature rise in the spacecraft when the spacecraft enters the atmosphere. On the other hand, the structure of the refractory storage of the present invention can also be applied to a structure that is desired to shut off heat from an article that may generate heat, a substance or an article that is in a high temperature state, or a substance. For example, the coating structure of electrical products that may generate heat, or the article that may generate heat ■ The structure of the fireproof storage cabinet is adopted as the structure of a factory or a room that handles substances By doing so, it is possible to minimize the spread of damage such as fire due to the sudden heating of these articles. At this time, Reversing the directionality of the multilayer structure in the fireproof storage can also be advantageously implemented. In addition, if a laminate such as a flat plate having a structure corresponding to the multilayer structure constructing the storage section of the fireproof storage is prepared in advance, the fireproof panel itself can be used in various fields. Can be. For example, such a fireproof panel is a material for the fireproof storage, a material for the above-mentioned transport container, a building material for the above-mentioned building, a structural material for the hull of the above-mentioned spacecraft, etc. It is available as

The above-mentioned materials having endothermic properties used for the refractory storage of the present invention, in particular, saccharides solve the problems of the present invention when incorporated as a part of the refractory storage of the present invention. While having a remarkable effect, it also exhibits endothermic characteristics when used in a form independent of a refractory storage, so that it can be used by itself, for example, to be placed in a storage, etc. It can also be used as a temperature rise inhibitor. Based on this fact, the present invention also provides a temperature rise inhibitor containing a saccharide as an active ingredient. The temperature rise inhibitor according to the present invention contains, as an active ingredient, one or more kinds selected from the above-mentioned carbohydrates, and as long as its original endothermic property is exhibited, other contained Ingredients and forms do not matter. For example, the anti-heating agent is only the above-mentioned carbohydrate, or the above-mentioned carbohydrate and building materials ■ Pigments, flavors, deodorants, insect repellents, fungicides generally used in the field of household goods, etc. Provided as a composition with an agent, a hygroscopic material, and the like, and usually contains the above saccharide in an amount of 80% or more by weight, preferably 90 to 100/0. Further, the temperature rise inhibitor according to the present invention may be, if necessary, a woven fabric formed of a material having moisture permeability and noness or flexibility, for example, Japanese paper, natural fiber, synthetic fiber, fire-resistant fiber and the like. It can be provided in a state of being packed in a bag prepared by sewing a nonwoven fabric or the like. When placed in a fireproof storage, the temperature rise inhibitor in a bag-filled state can be used to remove carbohydrates, depending on the size of the fireproof storage and the type of storage articles. Usually, it is preferable to contain about 1 g to l OOO g, preferably about 10 to 500 g. The above-mentioned temperature rise inhibitor according to the present invention can be stored in a normal fireproof storage or a fireproof storage according to the present invention by placing one or more of them according to the capacity of the storage. The internal temperature rise can be more effectively prevented. The temperature rise inhibitor according to the present invention can also be used by mounting it on a structure other than a fireproof storage. For example, a container or building for various kinds of goods or placed inside a room to prevent the internal temperature from rising when these structures are heated from the outside, or conversely ■ Items that may generate heat ■ Store materials ■ It is advantageous to place them inside a structure for transportation, etc. to prevent the leakage of such products and materials to the outside. Can be implemented. In addition to the walls of fire-resistant buildings, the heat-absorbing material is used not only for general transportation such as vehicles, ships, and airplanes, but also for space shuttles and other spacecraft that are repeatedly used in and out of the atmosphere. By using it as a member of the body (hull) of the building, the structure itself can be improved in fire resistance, and the coating structure can be used to make the steel frames and seismic isolation devices in buildings have fire resistance. By using it as a member of the coating, it is possible to improve the fire resistance of the coating structure.

Further, the present invention also provides a structure for preventing temperature rise, which comprises the above-mentioned temperature rise inhibitor according to the present invention as at least a part of constituent materials. The structure for preventing temperature rise referred to in the present invention means a structure capable of blocking or suppressing the conduction of heat from a heat source and its members, and more specifically, a panel, a sheet, and the like. Various sizes molded using ■ Shaped containers and bags. As used herein, "including at least a part of the constituent materials" means that the temperature-raising inhibitor alone or together with other materials constitutes a temperature-raising-preventing structure. However, in such a structure, it is desirable that the temperature-raising-preventing agent is contained in a state in which it can be mutually ventilated with the outside air. For example, in the case of panels, two plate-like objects made of a desired material such as ceramic fiber, alumina fiber, fire-resistant insulation brick, ceramics, foam concrete, wood, and paper (cardboard, cardboard, etc.) In the meantime, the temperature-inhibiting agent is filled to seal the periphery, or the temperature-inhibiting agent, which is filled in a bag of a desired size, is completely or partially applied to the plate-like material of the desired material. Examples of the structure include a structure obtained by affixing or laminating the temperature-inhibiting agent formed in a plate shape in advance using an appropriate binder with a desired plate-shaped material. Also, for example, in the case of a sheet, a woven cloth, a non-woven cloth, a sheet, or the like of a desired material is sewn into a bag shape, filled with the temperature rise inhibitor, and if necessary, formed into a quilted shape. It can be obtained by sewing or by sewing the desired temperature-raising inhibitor filled in a desired size or shape bag into the desired woven fabric, nonwoven fabric, sheet, etc., completely or partially. Structures. By using the above structure as a member and forming it into a container or bag of a desired shape, there is a possibility that it is necessary to avoid temperature rise, and conversely, it may generate heat itself. It can be a storage, storage, or transport container for storing, storing, or transporting certain items. In addition, the temperature rise prevention structure of the present invention having a shape such as a panel or a sheet may be used as a structural material of a larger structure such as a building, a vehicle, a ship, an airplane, an airship, or a spacecraft. Is also optional.

Hereinafter, the present invention will be described in more detail based on experiments and examples. Experiment: qualitative deterioration due to heating of stored items

In order to examine the qualitative deterioration that occurs when paper, wood, and cloth, which are the main materials of tangible property such as works of art and have poor fire resistance, are exposed to heating conditions, the following samples were used. Was subjected to a heating test. The samples are 14 types shown in Table 1 below (6 to 7 cm long and 7 to 1 Ocm wide rectangles. Wood For about 1cm thick. ) Was used. When heating the samples, place each sample in an electric furnace set so that the internal temperature will be one of the temperatures shown in Table 1 below, and do not touch the wall inside the electric furnace for any of the times shown in the table. This was carried out by hanging and holding a metal rod. The evaluation was based on visual observation by five persons engaged in museum operations. In other words, the heat-treated sample was evaluated as “◎” (no qualitative deterioration was observed), “〇” (a qualitative change was observed, but very slight) based on the untreated sample. “Δ” (Although relatively clear qualitative changes are recognized, it is acceptable as qualitative deterioration of artworks that cannot be avoided over time), “X” (Clear qualitative deterioration It is difficult to accept even considering the aging of artworks), and Table 1 shows the evaluations given by five grades of xxj (very unacceptable due to large qualitative deterioration). The individual evaluations summarized in Table 1 were consistent with at least four out of the five evaluators, and were judged to be sufficiently reliable. Was.

/ Plate '1 20 ° C 130 ° C 140 ° C Time 2Hr 6Hr 24Hr 2Hr 6Hr 24Hr 2Hr 6Hr 24Hr Copy paper O Ο 厶 XXX XXX Thin paper O 0 Ο Ο Ο Δ Ο Ο Δ Pure goose wrap Δ Δ X Δ X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X

Cedar ◎ ◎ Δ ◎ ο Δ ◎ Ο Δ Wood lumber ◎ ◎ Ο ◎ ® Ο ◎ ◎ Ο

Paulownia ◎ Ο ο ο ο Ο ο Δ X Nishiki 4 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ Ο Ramie cloth ◎ ◎ ο ◎ ο Ο Ο ο Ο 維 X X X X Δ Δ X Δ XX As is evident from Table 1, paper, wood, and textiles generally have no or no acceptable qualitative deterioration up to 130¾ when the heating time is within 6 hours. It was also found that even at about 140 ° C., it was within an acceptable range except for some papers. This result indicates that the fire resistance of general paper fire safes specified in the JIS fire safety safe (the internal allowable temperature of 177 ° C), which is the fire resistance of fireproof storages that are now widely used, is not affected by heating conditions. This shows that, depending on the time of exposure, the fire resistance for storage of articles that need to avoid qualitative deterioration is not always sufficient. Example 1: Fireproof storage and its fireproof performance

Example 11 _: Fireproof storage

A fireproof storage A having a structure schematically shown in the longitudinal sectional view of FIG. 3 was manufactured as an example of the fireproof storage of the present invention. As shown in Figure 3, In the storage section 1 of the fireproof storage A, the outer layer 1a is made of ceramic fiber one-port (trade name “Iso-Wool 1260 Board”, manufactured by Isolait Kogyo Co., Ltd.), which is a fire-resistant insulation material. A layer with a thickness of 1 OO mm, and the inner layer 1 b with a thickness of 1 O mm made of non-twisted fire-resistant and heat-insulating bricks (trade name "Isolite C-1", manufactured by Isolite Industry Co., Ltd.) The intermediate layer 1 c is an air layer having a thickness of 1 O mm provided through a spacer 1 d made of the fire-resistant and heat-insulating tiles. The lid part 2 can be placed on the inner layer 1 b, and is a plate-shaped layer made of the above-mentioned fire-resistant thermal brick corresponding to the inner layer 1 b and sized to hold the inside of the storage part 1 in a sealed state. Inner lid consisting of 2b and a 100 mm thick layer 2a of the above-mentioned refractory insulating material corresponding to outer layer 1a, which can be placed on outer layer 1a with an interval of 1 O mm As shown in Fig. 3, when the lid 2 is used with its inner lid and outer lid installed in the opening of the storage unit 1, the lid 2 is formed between the two. The space forms a layer 2 c corresponding to the middle layer 1 c in the storage unit 1. The outer dimensions of the fireproof storage A with the lid 2 installed on the storage 1 are 63 cm in width and 59 cm in depth. Point and depth refer to the direction perpendicular to the plane of the paper in Figure 3) and a height of 4 Ocm. Reference numeral 3 in FIGS. 3 to 5 and FIGS. 7 to 10 indicates a stored article.

A fireproof storage B having a structure schematically shown in the longitudinal sectional view of FIG. 4 was manufactured as another example of the fireproof storage of the present invention. As shown in Fig. 4, the refractory storage B is replaced with a water-containing material having heat absorbing properties in the storage part 1 in place of the intermediate layer including the spacer in the storage part of the refractory storage A. crystal Doo Reharosu powder (trade name "SHOOTING Reha", commercialized by Hayashibara Shoji Inc.) an intermediate layer 1 _c with a thickness of 1 O mm by a child fill the bets Reharosu powder in the space between the outer layer and the inner layer All except fireproof storage A It has the same structure.

A refractory storage C having a structure schematically shown by the longitudinal sectional view of FIG. 5 was manufactured as still another example of the refractory storage of the present invention. As shown in Fig. 5, the refractory storage C has a hydrated crystal trehalose powder filled in a silk bag as the temperature rise inhibitor 1e inside the storage unit 1 (a hydrated crystal). Except for the weight of trehalose powder, which is 1246 _g ), all have the same structure as fireproof storage B.

As a control, the storage X consisting of only the outer layer and outer lid (both have a thickness of 10 O mm) in the refractory storage A, and the thickness of the outer layer and the outer lid were both set to 12 O mm. It was manufacturing vault X, and the vault X ₂ is the same structure other than a. Example 1-2: Standard heating test

Above Examples refractory vault by A, B and C as well as control of the depot X, and the vault X _2, and subjected to 1 hour standard heating test prescribed in JIS fireproof safe examine changes in the internal temperature of the repository portion Was. Fig. 6 shows the results. The internal in FIG. 6, A, B and C, respectively fireproof vault A, the change in the internal temperature of definitive B and C, X, and X ₂ control depot X, and in the depot X ₂ Shows the change in temperature. At the time of this test, a paulownia box was placed in each storage as a model of stored items, and after the test was completed, the condition was visually observed.

As shown in Fig. 6, the internal temperature peaks at about 160 ° C for fireproof storage A, about 130 ° C for fireproof storage B, and about 120 ° C for fireproof storage C. C Regarding the state of the paulownia box placed inside, in the case of fireproof storage A, although some discoloration was recognized, it was not burnt, but in the case of fireproof storage B and C, No alteration is recognized in the paulownia box won. The above results show that the fireproof storage according to the present invention far exceeds the performance of "1 hour fireproof for general paper" specified in the JIS fireproof safe (internal heating temperature of 1177 ° C or less in a 1 hour standard heating test). Among these, the fireproof storage provided with a layer made of a material having heat absorbing properties as an intermediate layer is used for storing articles such as cosmetics, for which it is desired to avoid qualitative deterioration. It shows that it is particularly good. On the other hand, in the control storages X1 and X2, the internal temperature was much higher than 200 ° C, and the paulownia box placed inside was scorched throughout. As is evident from the results, when the storage is constituted only by the outer layer in the present invention, the desired fire resistance is achieved although the fire resistance is likely to be improved by increasing the thickness of the layer. In order to achieve this, it is necessary to use an extremely thick layer. Therefore, the above results indicate that the object of the present invention cannot be substantially solved by the structure having only the outer layer in the present invention. In addition, as can be seen in FIG. 6, in the above heating test, the time when the internal temperature of the refractory storage (A, B, C) of the present invention reaches a peak depends on the target storage (X, X ₂ ) was clearly slower. This means that when the fire-resistant storage of the present invention is hit by a fire, there is ample time to carry it out. Example 2: Fireproof storage

A refractory storage according to the present invention having a structure schematically shown in the longitudinal sectional view of FIG. 7 was manufactured. As shown in Fig. 7, this refractory storage is made of aluminum foil between the outer layer 1a and the middle layer 1c in the storage section 1 and on the side of the storage section 1 in the lid layer 2a. The structure is the same as that of the fireproof storage C according to Example 1 except that the waterproof layers 1 f and 2 f formed by the laminated waterproof sheets are provided respectively. This product has excellent fire resistance and portability, and also has the advantage of being able to be reused after receiving water discharge due to fire extinguishing in the event of fire, without adversely affecting stored items. ing. Example 3: Fireproof storage

A refractory storage according to the present invention having a structure schematically shown in the longitudinal sectional view of FIG. 8 was manufactured. As shown in Fig. 8, this refractory storage is provided on the outside of the outer layer through aluminum block-shaped spacers 1d and 2d, the outermost layer of 1.5mm thick aluminum. Except that 1 g and 2 g are provided, the structure is the same as that of the fireproof storage according to the second embodiment.

This product is resistant to direct fire, has excellent fire resistance, is portable, and has no adverse effect on stored items even if water is released by fire fighting during a fire. It also has the advantage of being usable. Example 4: Fireproof storage

A refractory storage according to the present invention having a structure schematically shown in the longitudinal sectional view of FIG. 9 was manufactured. As shown in Fig. 9, this fireproof storage is all the fireproof according to Example 1 except that the outermost layers 1h and 2h are made of a permeable cloth (cross) provided outside the outer layer. Same as the structure of storage C

This product has excellent fire resistance and portability, and is also aesthetically pleasing.However, as with Fireproof Storage C, which has no outermost layer, the external environment can be adjusted during storage of articles. This also has the advantage that the humidity inside the storage can be adjusted. Example 5: Fireproof storage

A refractory storage according to the present invention having a structure schematically shown by the longitudinal sectional view of FIG. 10 and the perspective view of FIG. 11 was manufactured. As shown in Fig. 10, in the storage section 1 of this fireproof storage, the outer layer 1a is made of ceramic fiber board (trade name "Iso-Wool 1260 board", The inner layer 1b is made of non-combustible material, a fire-resistant and insulating brick (trade name “Isolite C-1”, manufactured by Isolite Industries Co., Ltd.). The intermediate layer 1c is formed by filling the space between the outer layer 1a and the inner layer 1b with hydrated crystalline trehalose powder (trade name “Treha”, sold by Hayashibara Corporation). It is a 1 Omm thick layer of the formed trehalose powder. Lid 2 covers the entire periphery of storage 1! : It is a box-like shape that surrounds without gaps and has an opening in a part, and is provided on the surface that contacts the layer 2 a corresponding to the outer layer 1 a in the storage unit 1 and the opening in the storage unit 1 It consists of layers 2b and 2c corresponding to the inner layer 1b and the middle layer 1c in the storage unit 1. The thickness of the outer layer of the fireproof storage according to the present embodiment is 100 0 as the thickness of the layer alone in the storage or the lid, or as the sum of the layers in the storage and the lid. mm.

Since this product has excellent portability and has a structure in which the storage unit is inserted into the lid, the sealed state inside the storage unit can be maintained at a higher level. Therefore, it has the feature of exhibiting particularly excellent fire resistance performance. Example 6: Anti-heating agent

Two pieces of square satin silk cloth with a side of about 1 Ocm are sewn together leaving one side into a bag-like shape, and this is hydrated crystal trehalose powder (trade name “Treha”. Hayashibara Shoji Co., Ltd. ) And the remaining one side was sewn together to produce a cushion-shaped temperature rise inhibitor. This product weighs about 150 g per piece It contains rehalose.

In addition to the fire-resistant storage of the present invention, this product can be placed in a conventional fire-resistant storage, a storage container, a transport container, a building having a fire-resistant performance, or a room thereof. When these are exposed to heating conditions such as fire, the internal temperature rise can be effectively prevented. Example 7: Temperature rising inhibitor

A rectangular cotton cloth (cotton count 10) with a long side of about 20 cm and a short side of about 9 cm is sewn together with the long sides together with one of the short sides to form a bag. Filled with rehalose powder (trade name “Treha”, sold by Hayashibara Shoji Co., Ltd.) and stitched the remaining short sides to produce a columnar shape temperature rise inhibitor. This product contains about 100 g of trehalose per piece.

In addition to the fire-resistant storage of the present invention, the product can be placed in a conventional fire-resistant storage, a storage container having a fire-resistant property, a transport container, a building, or the interior of a room thereof. When these are exposed to heating conditions such as fire, the internal temperature rise can be effectively prevented. Example 8: Temperature rising inhibitor

Azabu (hemp count 60) was sewn into a bead shape (width, depth, height, both about 5 cm) with an opening in a part, and prepared from the opening by a conventional method. , Jem's, Bloodbrook, et al., Carbohydrate Dating Research, Vol. 329, pp. 655-665 (2000). Sugar was filled and the openings were sewn together to produce a bead-shaped anti-heating agent.

This product can be used in addition to the fireproof storage of the present invention, By placing them inside a storage container, transport container, building, or one room of the same, it is possible to effectively prevent the internal temperature from rising when these are exposed to heating conditions such as fire can do. Industrial applicability

As described above, according to the present invention, a refractory storage is formed in a multilayer structure including three layers of an outer layer, an intermediate layer, and an inner layer from the outside to the inside. a bulk specific gravity 1. 0 g Bruno _c m ³ following layers by is a partial structure of the vault refractory insulation material has not been adopted conventionally, in combination with this, an intermediate layer, an air layer and a layer by Bruno or materials having endothermic characteristics, and an inner layer, bulk density 2 by untwisted material. 0 g / cm ³ or less layers to when employing respectively, the portability and the extremely excellent fire performance It is based on a completely unique finding by the present inventors that it can be used as a fire-resistant storage that can also be used. INDUSTRIAL APPLICABILITY The fireproof storage of the present invention is extremely useful not only for articles to be stored by a conventional fireproof storage but also for articles such as works of art that need to be prevented from qualitative deterioration. In addition, the structure of the fireproof storage disclosed by the present invention can be used not only as a fireproof storage for storing various kinds of goods for business and home use, but also as a container for transporting various kinds of goods such as suitcases and containers, and buildings. Or one-chamber structure, steel frame of the building in addition to the structure that covers the seismic isolation device, and the hull of the spacecraft hull that is repeatedly used for vehicles, ships, airplane bodies, and the shuttle to and from outside the atmosphere It can also be applied to structures and the like.

The present invention is an invention having such remarkable functions and effects, and is a very significant invention that contributes to the art.

Claims

The scope of the claims

1. A storage unit having an opening in a part thereof, and the inside of the storage unit can be closed by closing the opening of the storage unit, and the inside can be opened as necessary. A fire-resistant storage comprising a lid part capable of performing the above-mentioned operations, wherein the storage part is formed in a multilayer structure including at least three layers of an outer layer, an intermediate layer, and an inner layer in order from the outside to the inside. In the multilayer structure, the outer layer is a layer made of a refractory heat-insulating material and has a bulk specific gravity of 1.0 gcm ³ or less, the intermediate layer is a layer containing an air layer and a material having heat absorption characteristics, and the inner layer is A fire-resistant storage, characterized by having a bulk density of non-flammable material of 2. O g Z cm ³ or less.

2. The refractory storage according to claim 1, wherein the bulk specific gravity of the outer layer in the multilayer structure forming the storage part is 0.5 gcm ³ or less.

3. The refractory storage according to claim 1, wherein the bulk specific gravity of the inner layer in the multilayer structure forming the storage part is 0.5 to 1.5 g cm ³ .

4. The outer layer in the multilayer structure forming the storage part has a thermal conductivity of less than 0.15 WZ (m-K) at 600 ° C. The fireproof storage described in paragraph 3.

5. The refractory according to any one of claims 1 to 4, wherein the intermediate layer in the multilayer structure forming the storage section includes a material having endothermic characteristics, and the material is an organic material having endothermic characteristics. Storehouse.

6. The refractory storage according to claim 5, wherein the organic material having endothermic properties is a saccharide.

7. The refractory storage according to claim 6, wherein the saccharide exhibits endothermic properties in a range of about 80 ° C to about 200 ° C.

8. The refractory storage according to claim 6 or 7, wherein the saccharide is in the form of hydrated crystals.

9. The refractory storage according to claim 6, 7 or 8, wherein the saccharide is hydrated crystalline trehalose.

10. The multi-layer structure forming the storage section further includes a waterproof layer located between the outer layer and the intermediate layer, wherein the multilayer structure further comprises a waterproof layer positioned between the outer layer and the intermediate layer. Fire resistant storage described in Crab.

11. The multilayer structure forming the storage unit further includes an outermost layer of metal, ceramic or a moisture-permeable material located further outside the outer layer. 13. The fireproof storage according to any one of Items 1 to 10.

12. The refractory storage according to claim 11, wherein the outermost layer is a metal layer or a ceramic layer, and is not completely adhered to the outer layer.

13. The fireproof storage _{c according} to any one of claims 1 to 12, wherein the lid includes a layer corresponding to an outer layer in the multilayer structure forming the storage.

14. The fire-resistant storage according to claim 13, wherein the lid further includes one or both of an intermediate layer and an inner layer in the multilayer structure forming the storage part.

15. The cover according to claim 13 or claim 14, wherein the lid further includes one or both of a waterproof layer and a layer corresponding to the outermost layer in the multilayer structure forming the storage section. Fireproof storage as described.

16. When subjected to the 1 hour standard heating test specified in "Japanese Industrial Standards, Fireproof Safe, JISS 1037: 1998" (revised on March 20, 1999, issued by the Japan Standards Association) The fireproof storage according to any one of claims 1 to 15, having a fireproof performance for maintaining the internal temperature of the storage at a temperature not exceeding 165 ° C.

17. The fireproof storage according to any one of claims 1 to 16 as a container for transporting articles.

18. A fire-resistant panel according to any one of claims 1 to 9, having a structure corresponding to a multilayer structure including an outer layer, an intermediate layer, and an inner layer forming a storage section.

19. The claim further including a layer corresponding to the waterproof layer described in claim 10 and / or a layer corresponding to the outermost layer described in claim 11 or 12. A fireproof panel according to item 18 of the range.

20. The fireproof panel according to claim 18 or 19 as a fireproof storage material, an article carrier material, a building material, or a structural material of a spacecraft hull <21. Carbohydrate An anti-heating agent containing as an active ingredient.

22. The temperature rise inhibitor according to claim 21, wherein the saccharide exhibits endothermic properties in the range of about 80 ° C to about 200 ° C.

23. The temperature rise inhibitor according to claim 21 or 22, wherein the saccharide is in the form of hydrated crystals.

24. The temperature rise inhibitor according to claim 21, 22 or 23, wherein the saccharide is hydrated crystalline trehalose.

25. The temperature rise inhibitor according to any one of claims 21 to 24, which is filled in a bag formed of a material having moisture permeability and / or flexibility.

26. A storage comprising the temperature-raising inhibitor according to any one of claims 21 to 25.

27. A temperature rise prevention structure comprising the temperature rise prevention agent according to any one of claims 21 to 25 as at least a part of a constituent material.

28. The structure for preventing temperature rise according to claim 27, wherein the structure for preventing temperature rise is a panel, a sheet, a container or a bag.