JPH1158657A - Non-combustible laminated sheet and non-combustible container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To impart appropriate rigidity and bending property to a laminated sheet with flexibility retaining for enabling using for blank material by laminating paper backed with metallic foil on a non-combustible fiber sheet. SOLUTION: The metallic-foil side of paper 2 (what is called shine paper), which is metallic paper backed with metallic foil, is laminated on a non-combustible fiber sheet 1 by pasting for obtaining a non-combustible sheet S1. Thereby, various non-combustible containers having appropriate rigidity can be manufactured like paper containers by using a paper processing method, which enables manufacturing of paper containers at extremely low costs. Since the paper 2 backed with laminated metallic foil can have thermal insulation effect, thermal insulation properties to fire as well as non-combustibility can be imparted to the container. The non-combustible part and the container part can be cut as one laminated sheet for processing and bonding, thereby the non-combustible container can be manufactured at extremely low costs.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laminated sheet and a non-combustible container using non-combustible fibers.
It was created to be used for various purposes such as disaster prevention containers.

[0002]

2. Description of the Related Art A non-combustible fiber sheet which does not burn even in a high heat environment (hereinafter referred to as a "non-combustible fiber sheet") is known. For example, an inorganic fiber sheet made of glass fiber or carbon fiber is well known. (For example, "Rastan" manufactured by Asahi Kasei Kogyo Co., Ltd., "Pyromex" manufactured by Toho Rayon Co., Ltd.).

On the other hand, in place of conventional hard materials such as glass and magnetism, ashtray mats and portable ashtrays using the above-mentioned incombustible fiber sheets are also known.

An ashtray mat is known in Japanese Utility Model Laid-Open Publication No. Sho 59-77899, and a non-combustible fiber sheet lined with a flame-retardant plastic sheet is used as it is laid under the ashtray in a mat form. .

A portable ashtray is disclosed in Japanese Utility Model Laid-Open No. 62-1136.
No. 94 and Japanese Utility Model Application Laid-Open No. 2-134896. The former is obtained by folding a non-combustible fiber sheet into a container as it is, and the latter is a bag formed by coating a non-combustible fiber sheet with a metal.

[0006]

As described above, in the prior art, the non-combustible fiber sheet is used almost as it is. Even if the plastic sheet is lined or coated with metal, the essence of the sheet is cloth. It was still lacking in rigidity. On the other hand, when fabricating tobacco ashtrays, disaster prevention containers, etc. using non-combustible fibers, for example, a certain degree of rigidity is required. On the other hand, it is necessary to provide flexibility and bendability to facilitate processing. Was also needed. Therefore, conventionally, the bag has a double structure of an outer bag and an inner bag, and the outer bag is assembled with a plastic sheet having a certain rigidity, and the inner bag is assembled with a non-combustible fiber sheet. A bag-shaped portable ashtray that is housed and joined in an outer bag has been proposed.

However, in this case, the inner bag and the outer bag must be separately manufactured, so that the time required for cutting, assembling and joining is doubled, and the inner bag is housed in the outer bag and joined. This requires a lot of trouble and increases the production cost.

The present invention has been made to solve the above-mentioned problems of the prior art. In this specification, two inventions relating to a non-combustible laminated sheet that can be used for various applications and the use of these inventions are described. The invention of the incombustible container described above is disclosed.

First, a first invention relating to a non-combustible laminated sheet is characterized in that a paper lined with a metal foil is laminated on a non-combustible fiber sheet.

Therefore, according to the non-combustible laminated sheet of the present invention, by laminating the paper lined with the metal foil, it is possible to provide the laminated sheet with appropriate rigidity while maintaining flexibility, and Can also be obtained,
By using the non-combustible laminated sheet as a blank material, it becomes possible to manufacture various non-combustible containers having appropriate rigidity like a paper container by using papermaking technology.

Next, a second invention relating to a non-combustible laminated sheet is a non-combustible fiber sheet, a paper lined with a metal foil,
It is characterized by laminating plastic sheets having heat welding properties.

Thus, according to the non-combustible laminated sheet of the present invention, the laminated sheet can be provided with appropriate rigidity while maintaining flexibility, and can be appropriately bent, as in the operation of the first invention. By using this non-combustible laminated sheet as a blank material, various non-combustible containers made of a highly durable plastic sheet can be manufactured like paper containers using papermaking technology. It becomes possible. In addition, the plastic sheet laminated on one side makes it possible to easily weld the joint between the laminated sheets using, for example, a high-frequency induction heating device.

On the other hand, the invention of a non-combustible container is to fold or assemble a blank made of one or more non-combustible laminated sheets obtained by laminating a non-combustible fiber sheet, a paper lined with a metal foil, and a plastic sheet having heat welding property. It is characterized by being formed by

[0014]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 9 is an exploded perspective view of an embodiment of the first invention of the non-combustible laminated sheet of the invention. In the figure, reference numeral 1 denotes a non-combustible fiber sheet, which uses carbon fiber here.

Reference numeral 2 in the drawing denotes paper called "metal paper" or "shine paper" lined with metal foil, and here, a cardboard or corrugated paper lined with aluminum foil is used. ing. The paper 2 may be printed with symbols, characters, and the like on the paper side instead of the metal foil side.

The above members are laminated by gluing the metal foil side of the paper 2 to the noncombustible fiber sheet 1 to obtain a noncombustible laminated sheet S1. In this case, it is desirable that the glue used for gluing is nonflammable and generates little gas.

On the paper 2 side of the non-combustible laminated sheet S1, a decorative layer (not shown) such as synthetic leather or cloth is provided as necessary.
May be laminated.

FIG. 1 is an exploded perspective view of a non-combustible laminated sheet according to a second embodiment of the present invention. In the figure, reference numeral 1 denotes a non-combustible fiber sheet, which uses carbon fiber here.

Reference numeral 2 in the figure denotes paper called "metal paper" or "shine paper" backed by a metal foil. In this example, a cardboard or cardboard paper 2B backed by an aluminum foil 2A is used. I'm using

Reference numeral 3 in the figure denotes a plastic sheet having heat welding property, in which a vinyl chloride sheet is used.

The above members are formed by gluing the metal foil 2A side of the paper 2 to the non-combustible fiber sheet 1 and gluing the plastic sheet 3 to the paper 2. By doing so, the non-combustible laminated sheet S is obtained (see FIG. 2). In this case, it is desirable that the glue used for gluing is nonflammable and generates little gas.

Incidentally, between the paper 2 and the plastic sheet 3, a plastic sheet 4 rich in heat insulation and cushioning properties may be laminated in order to enhance heat insulation and cushioning of the laminated sheet (see FIG. 8). ). As such a plastic sheet 4, for example, vinyl chloride sponge, foamed sponge, foamed polyethylene and the like are optimal.

FIGS. 3 and 4 show a first example of the non-combustible container of the present invention.
It is a figure showing an example. Here, it is assumed that a portable ashtray made of bag-shaped tobacco is assumed as a container, and the above-mentioned laminated non-combustible fiber sheet 1, paper 2 lined with metal foil, and plastic sheet 3 having heat welding property are laminated. The bag is constituted by using the non-combustible laminated sheet of the second invention as a blank material.

Reference numerals 10A and 10B in the figure denote a front plate and a back plate of the bag, which are obtained by cutting a blank made of a non-combustible laminated sheet along the plane shape of the bag. A window 11 to be a tobacco insertion port is provided on the top plate 10A.
Is cut out.

The front plate 10A and the back plate 10B are combined with the non-combustible fiber sheet 1 facing the back so that the non-combustible fiber sheet 1 is on the back side of the bag and the plastic sheet 3 is on the front side of the bag. The four circumferences are welded and joined using, for example, a high-frequency induction heating device as a joining portion H. In this embodiment, high-frequency machining with a blade is assumed as the above-described high-frequency machining. Since the plastic sheets to be welded are not facing each other, the ends are wrapped and welded.

FIG. 4 is a view showing a completed state of the above-mentioned container. A cigarette (not shown) is inserted through the window 1 into the interior covered with the non-combustible fiber sheet 1, and the ash is dropped to be used as an ashtray. Is done. In this case, by folding the upper part of the bag body in a flap shape with the middle of the window 11 being a fold line L, this serves as a lid and the container is sealed. Here, a member for fixing the folded portion in a sealed state is used. The male and female members 12A, 12B of the stopper are arranged above and below the window 11.

The above-mentioned container is composed of a front plate 10A and a back plate 10B.
It is a matter of course that one blank may be bent so that the non-combustible fiber sheets 1 face each other without using one blank.

FIG. 5 is a view showing a second embodiment of the non-combustible container of the present invention. Here, it is assumed that the container is a cylindrical cigarette ashtray, and the second stack of the non-combustible fiber sheet 1, the paper 2 lined with metal foil, and the heat-sealable plastic sheet 3 is laminated. The tubular body is formed by using the non-combustible laminated sheet of the embodiment as a blank material.

In the figure, reference numeral 20A denotes a peripheral side plate of a cylindrical body,
Reference numeral 0B denotes a bottom plate, which is obtained by cutting a blank made of a non-combustible laminated sheet along the bottom shape of the container and the developed shape on the peripheral side. These blanks are wound around a peripheral plate 20A with the incombustible fiber sheet 1 side inward on the peripheral side of the bottom plate 20B with the incombustible fiber sheet 1 side upward,
Peripheral side of bottom plate 20B and lower end of peripheral side plate 20A, peripheral side plate 20A
Are welded by using, for example, a high-frequency induction heating device, with both ends of the joint being a joining portion H. The welding means is the same as in the first embodiment.

FIG. 6 is a view showing a third embodiment of the non-combustible container of the present invention. Here, a box-shaped cigarette ashtray is assumed as a container, and the second non-combustible fiber sheet 1, a paper 2 lined with a metal foil, and a plastic sheet 3 having heat welding property are laminated. The box is constituted by using the non-combustible laminated sheet of the embodiment as a blank material.

This box body is obtained by bending a blank formed of a non-combustible laminated sheet into a cross shape in which the box body is developed, and welding and welding required portions.
That is, each piece of the cross-shaped blank is bent upward by 90 degrees with the non-combustible fiber sheet 1 side facing inward, and then the required height range is used as a bonding point H, for example, by welding using a high-frequency induction heating device. The side wall 3 of the main body of the box
0A is formed, and a flap portion 30B is formed by bending a remaining portion that is not joined. The welding means is the same as in the first embodiment.

FIG. 7 is a view showing a fourth embodiment of the non-combustible container of the present invention. Here, it is assumed that the container is a disaster prevention bag that protects valuables such as documents, seals, passbooks, etc. from high heat, and comprises a non-combustible fiber sheet 1, a paper 2 lined with metal foil, and heat welding. The bag body is formed by using the non-combustible laminated sheet of the second invention in which the plastic sheets 3 having the properties are laminated as a blank material. However, for the purpose of shielding high heat from the outside, each of the above-described embodiments is used. Unlike the example, the non-combustible fiber sheet 1 is arranged on the front side of the container.

Reference numerals 40A and 40B in the figure denote a front plate and a back plate of the bag, which are obtained by cutting a blank made of a non-combustible laminated sheet along the plane shape of the bag.

After the front plate 40A and the back plate 40B are assembled with the non-combustible fiber sheet 1 facing the plastic sheet 3 and the plastic sheet 3 facing the bag such that the plastic sheet 3 is on the back side of the bag, the opening is opened. The welding is performed by using, for example, a high-frequency induction heating device, with the periphery as a joining portion H except for the portion.

The above-mentioned container is composed of a front plate 40A and a back plate 40B.
It is a matter of course that one blank may be bent so that the plastic sheets 3 are opposed to each other without using one blank.

The shape and structure of the non-combustible container of the present invention in the above embodiment are merely examples, and the shape and structure of the container are not limited to these as long as the blank material specified in the present invention is used. Of course.

[0037]

The present invention having the above configuration has the following specific effects. According to the non-combustible laminated sheet of the present invention, by laminating the paper lined with metal foil on the non-combustible fiber sheet,
While maintaining the flexibility of the laminated sheet, it is possible to provide a suitable rigidity and also obtain a suitable bending property. By using this non-combustible laminated sheet as a blank material, a suitable rigidity can be obtained. Since it becomes possible to manufacture various non-combustible containers like paper containers using papermaking technology,
The non-combustible container can be manufactured at extremely low cost.

The paper backed by the laminated metal foil can be expected to have a heat insulating effect.
Insulation from fire can also be added to the container.

As in the second invention of the non-combustible laminated sheet,
When the plastic sheets are laminated, the above-mentioned effect is further enhanced because the joints between the laminated sheets can be easily welded using, for example, a high-frequency induction heating device.

According to the non-combustible container of the present invention, the non-combustible material portion and the container portion which have been conventionally manufactured in separate processes can be cut out as a single laminated sheet, processed and welded, so that the non-combustible container can be manufactured at extremely low cost. Becomes possible.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a first invention of a non-combustible laminated sheet of the invention.

FIG. 2 is a cross-sectional view of the same as above.

FIG. 3 is an exploded perspective view of the first embodiment of the non-combustible container of the present invention.

FIG. 4 is a perspective view of the same as in the first embodiment;

FIG. 5 is a perspective view of a non-combustible container according to a second embodiment of the present invention in an assembled state.

FIG. 6 is a perspective view of a non-combustible container according to a third embodiment of the present invention in an assembled state.

FIG. 7 is a perspective view of a non-combustible container according to a fourth embodiment of the present invention in an assembled state.

FIG. 8 is an exploded perspective view of a non-combustible laminated sheet according to a different embodiment of the first invention of the present invention.

FIG. 9 is an exploded perspective view of the non-combustible laminated sheet according to the second invention of the present invention.

[Explanation of symbols]

 1 Non-combustible fiber sheet 2 Paper (lined with metal foil) 3 Plastic sheet

Continued on the front page (51) Int.Cl. ⁶ Identification code FI B65D 65/40 B65D 65/40 G

Claims (9)

[Claims] 1. A non-combustible laminated sheet wherein a paper lined with a metal foil is laminated on a non-combustible fiber sheet. 2. A non-combustible laminated sheet characterized by laminating a non-combustible fiber sheet, a paper lined with a metal foil, and a heat-sealable plastic sheet. 3. The non-combustible laminated sheet according to claim 1, wherein the non-combustible fiber sheet is an inorganic fiber sheet. 4. The non-combustible laminated sheet according to claim 2, wherein the plastic sheet is a vinyl chloride sheet. 5. A blank formed of one or more non-combustible laminated sheets obtained by laminating a non-combustible fiber sheet, a paper backed by a metal foil, and a plastic sheet having heat-sealing property, by bending or assembling the blank. Characteristic non-combustible container. 6. The non-combustible container according to claim 5, wherein the blank made of the non-combustible laminated sheet is assembled in a bag shape with the non-combustible fiber sheet side as the back side, and the joint is welded. 7. The non-combustible container according to claim 5, wherein the blank made of the non-combustible laminated sheet is bent into a box shape with the non-combustible fiber sheet side as the back side, assembled and welded at the joint. 8. The non-combustible container according to claim 5, wherein the blank made of the non-combustible laminated sheet is assembled in a bag shape with the non-combustible fiber sheet side as the front side, and the joint is welded. 9. The non-combustible container according to claim 5, wherein the blank made of the non-combustible laminated sheet is bent into a box shape with the non-combustible fiber sheet side as a front side, assembled and welded at a joint.