JP2003019220A - Fire-protective net, and its manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire-protective net which has heat-radiation/air-ventilation property required at the time of usage while being a material for the fire- protection and the suppression of the expansion of a fire at the time of a disaster, and at the same time, which can make a high installation efficiency and an easy distribution possible at the time of working, and make the reduction of load possible after being installed. SOLUTION: For this fire-protective net, a multiple layer net which is constituted of two kinds of main materials is used. In such a fire-protective net, an expanded fire-resistant paint displays a fire-resistant function when a fire is generated. In the meantime, gaps owned by the net realize the heat-radiation required by an article to be covered, and a free flow of air for the ventilation at a normal time. A high installation efficiency is provided because of the lightweight and flexible property, and the reduction of load after the installation is made possible.

Description

Detailed Description of the Invention

[0001]

[Industrial field of application] This is used for fireproof coatings for electric wires, optical fibers, etc. laid indoors and in common grooves, non-combustible building materials, manufacture of fireproof building members and various constructions, and fireproof coatings for furniture.

[0002]

2. Description of the Related Art Conventionally, coating materials such as metal, inorganic plates, cement, rock wool, etc. have been used for fireproofing and fireproofing, but in either case, the required thickness of the coating and the curve cannot be drawn. There was a problem with sex, and as a result, there was a problem with economy. Above all, it was a fatal defect in the case of coverings that required heat dissipation and ventilation, in which all of them became sealed after construction and ventilation ventilation became impossible.

[0003]

The object of the present invention is that the fireproof net according to the present invention is lightweight and flexible due to the nature of its constituent materials, and therefore can be applied in any form required by the covering and surrounding circumstances.
In addition, before the occurrence of a fire or other emergency, the fatal drawbacks of conventional products can be resolved by preventing the air gaps in the net from dissipating the heat required by the covering and free circulation of air for ventilation. The purpose is to do.

[0004]

[Means for solving problems]

[Constituent material] According to the present invention, in normal times, it is adhered and fixed to the fibers of the net that is the base material with the required adhesive strength, and the carbonized layer formed by foaming and thickening carbonization seals the coating in the event of a fire or other emergency, Foam-type refractory paint that shields flames and heat from the outside is used as the main material. Further, as the net material, which is one of the main materials, nets having different materials and different porosities are used depending on the rigidity, flexibility, air flow rate, etc. required in various usage environments.

[Manufacturing method] A foaming type fireproof paint is prepared for one or more vats and feeders, and the adhesion process such as impregnation and the drying process for adjusting the fixed shape and the amount of adhesion by wind pressure or vibration are repeated to obtain a foaming type fireproof paint. Ensure the required amount of adhesion and the required porosity.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION The constituent elements of the present invention and the manufacturing process thereof will be described below through manufacturing steps.

[0006]

[Net material] 2-1 as the lattice spacing (thread insertion pitch)
Use 0m / m of various glass, various metals, or net-shaped roll products of heat-resistant polymer products such as aramid fiber.

[0007]

[Foaming type fire-resistant paint] A pyrolyzable foam material consisting of a phosphate nitrogen compound such as ammonium phosphate or ammonium polyphosphate, and a carbonization layer forming material consisting of polyhydric alcohol such as pentaerythritol or polyol, starch or sucrose, etc. A foaming type fireproof paint is used in which an appropriate amount of organic binder is mixed with inorganic binder such as salt or metal phosphate.

[0008]

[Coating process] A foaming type fireproof paint is prepared by preparing a foaming type fireproofing paint in one or more bats and feeders, and repeating an attaching process such as impregnation and a drying process which also serves as a fixed shape by air pressure or vibration, and an amount of adhesion adjustment Ensure the required amount of adhesion and the required porosity.

[0009]

INDUSTRIAL APPLICABILITY According to the present invention, the following effects can be obtained: (a) The voids of the net are filled by rapidly foaming and thickening carbonization at high temperature due to fire etc. Specifically, the carbonized layer formed in a completely hermetically sealed form prevents heat damage to the coating. <B> Even if the coating such as an electric wire self-heats and constantly requires heat radiation, no special measures are required and it is economical. <C> Since it is lightweight and highly flexible, it is possible to freely manufacture the required shape and use the prescribed connecting metal fittings to achieve high efficiency and reduce the cost required for construction. <D> Since the volume is small before the consequent foam expansion, the storage space and transportation costs can be reduced.

[Brief description of drawings]

FIG. 1 is a plan view and a sectional view of the present invention in a normal state.

2A and 2B are a plan view and a cross-sectional view showing a change which is an object of the present invention at the time of fire and high temperature.

[Figure 3] Schematic diagram of the manufacturing process

[Explanation of symbols]

1. Net material 5. Impregnation device 2. Foam-type fireproof paint 6. Blower blower 3. Fireproof paint foamed by high temperature 7. Drying device 4. Net material feeder 8. Product winding device

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Claims (5)

[Claims] 1. A base material is a net having a lattice spacing (thread insertion pitch) of 2 to 10 mm, which is made of fibers of metal, plastic or natural material. 2. The net according to claim 1 is coated with a foamable fireproof coating so as to completely cover the fibers constituting the net. 3. The foamable paint used in claim 2 expands and expands to form a carbonized layer when the temperature rises due to a fire or the like, and completely fills the voids of the net to prevent the inflow of flame and high temperature gas from the heat source. Characterized by shutting off. 4. A method for producing a fireproof net is as follows: primary impregnation, spraying or primary coating by a curtain flow method, then applying a constant air flow or vibration, or repeating the same to secure a predetermined amount of coating, and at the same time, as a net. It is characterized by forming and securing voids. 5. The fireproof net has a void portion secured by the manufacturing method of claim 4, which enables the use of fasteners in covering work, and at the same time secures a ventilation ventilation function after construction and visually confirms the covering. It is characterized by enabling.