JPH0612115Y2 - Siding board - Google Patents

Description

[Detailed Description of the Invention] The present invention also serves as a heat insulating material and a reinforcement / fireproof layer mainly made of a synthetic resin foam which also functions as an adhesive and a fireproof layer between the front and back materials having male and female connection parts. A siding board (hereinafter simply referred to as a board) in which a fireproof plate and a fireproof plate / spacer are respectively provided on the back side of the connecting portion and the rib and are integrally configured.
Regarding The purpose is to strengthen the fireproofness of joints and ribs, which are the weakest points in fireproofing, when the boards are connected to form a wall, and also improve the fireproofness of the heat insulating material, and to widen the width. The purpose of this is to suppress the formation of ridges, distortion, and pebbles on the decorative surface, and also to strengthen the engaging force.

Recently, a panel having an organic polymer foam as a core material tends to be subjected to an additional test of a polymer composite fireproof material, but it is difficult to pass a polymer material alone. In addition, when the decorative surface becomes wide, the core material as described above changes in size depending on the temperature, and the decorative surface becomes mountainous, or the distortion of the surface material itself at the time of molding is not corrected, and there is a defect that it appears as pecks. It was In addition, due to the cushioning properties of the core material at the joints of this type of panel, there is bounce when nails are placed, making it difficult to construct, not only difficult to place, but also the work efficiency is poor, and in addition unnecessary parts There was a disadvantage such as giving a dent to.
Moreover, if the core material is deformed or has a cushioning property, the connecting force is weaker than that of a rigid body.

In order to eliminate such drawbacks, the present invention interposes a fireproof plate that also functions as a reinforcement impregnated with a foaming inorganic material in the connecting part of the board and the center of the decorative surface, a fireproof plate and a spacer, and at the weak point of heat. Suppresses the invasion of flame and hot air from a certain connecting part,
In addition, by dispersing the expandable inorganic material, the inorganic porous particles, and the mineral fibers that give fireproofness to the heat insulating material as well, it is possible to pass the polymer composite fireproof material test without fail, and there is no stickiness on the decorative surface. The present invention proposes a board in which the connection portion is prevented from being separated, the board is easily driven, and the nail pullout resistance is enhanced.

Hereinafter, an embodiment of the board according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing a typical example of the above board, where 1 is a surface material, 16 is a heat insulating material, and 19 is a heat insulating material.
Is a fireproof plate, 20 is a fireproof plate / spacer, 21 is a backside material, and a heat insulating material 16 , a fireproof plate 19, and a fireproof plate / spacer 20 are sandwiched between the front surface material 1 and the back surface material 21 to form a foam of the heat insulating material 16 . These components are integrally formed by the self-adhesive property at the time of formation. More specifically, the surface material 1 is a metal material such as a color steel plate, galfan, zinc metal, aluminum, stainless steel, etc., which is roll-formed into a predetermined shape.
It is formed by pressing, injection, or extrusion molding. That is, the surface material 1 has a rectangular decorative surface 2, a reinforcing / makeup rib 3 formed in the longitudinal direction at the center of the decorative surface 2 (hereinafter simply referred to as a rib) 3 and both longitudinal edges of the decorative surface 2. Male-type connection formed by a main body 6 formed in a concave cross-section from side walls 4 and 5 that are bent toward one side, an insertion edge 7 that protrudes outward at the lower end of the side wall 4 and a tongue piece 8 that is bent at its tip. The portion 9, the insertion groove 10 in which the lower end of the side wall 5 is bent inward in a U shape, the extension portion 12 in which the lower edge 11 is extended outward, and in the middle of the extension portion 12 in parallel with the side wall 5 and, if necessary, It is configured by a protrusion 13 provided and a female connecting portion 15 formed by a tongue piece 14 in which the tip of the extension portion 12 is bent. Further, the heat insulating material 16 is made of a foamed structure which is lightweight and has high heat insulating property, waterproof property, and fireproof property.
For example, the main constituent is a synthetic resin foam 16 'formed by integrally forming one kind or two or more kinds of polyurethane foam, polyisocyanurate foam, phenol foam, polyphenylene foam, polyamide foam, and the foamability in the foam structure. It is a mixture of non-material 17, inorganic porous particles 18, and mineral fibers 18a.
It functions as a bulk material, an adhesive (only during foam formation), a waterproof material, and a fireproof material. In order to form the heat insulating material 16 , one or two kinds of the foam raw material are discharged into the concave portion of the surface material 1 by the one-shot method, and reacted, foamed, and cured to integrally form the respective constituent materials. It sticks.
To further explain, the expandable inorganic material 17 mainly emits water of crystallization under high heat and gradually expands and expands to form an inorganic foamed layer, for example, one or more kinds of borax, sodium metaborate, sodium metasilicate and the like. The inorganic porous particles 18 mainly function as an aggregate and give rigidity to the heat insulating material 16. For example, the inorganic porous particles 18 are made of one kind such as pearlite particles, shirasu balloon, and burned vermiculite, and the mineral fibers 18a are mainly. It functions as an auxiliary material for bridging between the expandable inorganic materials 17, and is made of, for example, long or short fibers of glass wool or rock wool. Of course, the mixing ratio of these substances to the synthetic resin foam 16 'in the heat insulating material 16, or it is intended that determined according to the purpose, formulated so as not to excessively impair the thermal insulation of the heat insulating member 16, Katazai distribution It was made. The fireproof plate 19 and the fireproof plate / spacer (hereinafter, simply referred to as batten) 20 have considerable rigidity, for example, gypsum board, rock wool, wood wool cement board, glass wool, perlite board, calcium carbonate board, silicic acid. One or more of a calcium plate and a plate containing gypsum slag as a main component was formed into a long plate shape and impregnated with one or more of the above-mentioned expandable inorganic material 17 and subjected to coating. It is a thing. The fireproof plate 19 functions as a reinforcing material and a fireproof material, and the batten 20
In addition to the above-mentioned functions, is also added with a function as a nail pull-out resistance material, a rebound preventing material when nailing, and a deformation preventing material for the surface material 1 . The backing material 21 is, for example, kraft paper, asbestos paper, gypsum paper, glass fiber, non-woven fabric such as synthetic resin, metal foil (Al, Pb), foam sheet (3 to 4 m).
m), laminated with at least one kind of asphalt felt, or one kind of sheet-like material formed by sandwiching a wire mesh from both sides with a sheet-like material to obtain shape retention at high temperature Is. Here, an example of the size of each part of the board according to the present invention will be described. The rib 3 has the same length as the decorative surface 2, and the width W ₁ is 5
~ 20 mm, depth d ₁ is 5 ~ 10 mm, the thickness T of the heat insulating material 16 is
About 10 to 50 mm, the thickness t of the portion that bulges from the back surface of the insertion edge 7
₁ is about ₂ to 30 mm, and the width Δl ₁ from the side wall 4 to the side surface 16a of the heat insulating material 16 is determined by the depth d ₂ of the insertion groove 10 and the width W _{2 of} the extension 12 and the presence or absence of joints. is there. Further, the width W ₃ of the fire prevention plate 19 is W ₃ ≧ W ₁ , and the plate thickness t ₂ thereof is T = t ₂ + d ₁ depending on the relative relationship between the thickness T of the heat insulating material 16 and the depth d ₁ of the rib 3. It is a relationship. In addition, t is a surface material
The plate thickness is 1 . Also, the batten 20 has a plate thickness t ₃ = T−
d ₃ , where d ₃ is the dimension from the back surface of the decorative surface 2 to the back surface of the lower edge 11, and has a width W ₄ ≧ W ₂ .

Next, a construction example of the board according to the present invention will be described. That is, in order to mount the board shown in FIG. 1 as shown in FIG. 2, first, the board B is laid on the copper edge A, and the extension 12 is fixed on the copper edge A with the nail B. To do. Next, the insert edge 7 of the Baudro is inserted into the insert groove 10, and the extension 12 at the other end (not shown) is fixed to the furring strip A with the nail B in the same manner as described above. Therefore, in order to form the wall body, it is sufficient to repeat such steps in sequence.

The above description is only one embodiment of the board according to the present invention, and it can be formed as shown in FIGS. 3 (a) to (h) and FIGS. 4 (a) to (c). That is, FIG. 3 (a) shows that the lower end of the side wall 4 of the surface material 1 is bent inward and then outwardly bent to project.
The board having the surface material 1 which is formed with 4a and prevents the heat insulating material 16 from coming off, (b) the fireproof plate 19 is formed in a concave shape, and the surface material 1 is formed.
A fire plate 19 stably supports the and against via the adhesive 22 to secure the tree 20 lower edge 11, the extension 12, moreover facilitated the production board, (c) drawing the surface material 1 Form as shown in the figure and put the fire plate 19 -Shaped board, (d) board with heat insulating material 16 as shown in the figure, (e) board with fire plate 19, batten 20 as shown in the figure, (f) board with fire protection Form the plate 19 in a concave shape,
A board in which a through hole 20a is bored in the middle of the batten 20 and the surface material 1 and the batten 20 are integrally bonded with a heat insulating material 16 , (g) shows a fireproof plate 19 having the same thickness as the heat insulating material 16. And rib 3 in the center
Is a board provided with a concave groove for fitting and a batten 20 'is provided at the corners of the decorative surface 2 and the side wall 5, and (h) is a board in which the batten 20 is formed as shown in the figure. The batten 20 may be projected from the tongue piece 14 as shown by the chain double-dashed line in (a) or the backing material 21 may be attached as shown by the chain double-dashed line in (d). Although not shown, borax or pearlite particles may be laid in the concave portion of the surface material 1 to form a fixed fireproof foam layer. Further, the batten 20 can be formed as shown in FIGS. 4 (a) to (c). That is, (a) is a batten 20 having a protrusion 20b corresponding to the ridge 13 in the middle of the surface, (b) is a concave batten 20, (c) is a film, such as a coating film The batten 20 has an exposed surface covered with a covering material 23 to enhance waterproofness.

As described above, according to the board of the present invention, a rib is provided in the center of the decorative surface, and a fireproof plate containing or coating a foamable inorganic material is arranged as a spacer on the back surface thereof, and the lower edge is also provided. , Contains a foamable inorganic material on the back of the extension,
Also, because the coated batten is planted, the decorative surface does not show pecks and, in terms of fire protection, the ribs, which are the weak points, and the fire resistance of the female connection part are greatly enhanced.
Since the fireproof plate and batten can suppress the deformation of the surface material, the heat insulating material, and the back surface material due to the temperature and heat, there is a characteristic that deformation and separation of the board can be eliminated. Since the heat-insulating material contains the expandable inorganic material, the inorganic porous particles, and the mineral fiber dispersed therein, it has the characteristic that it can pass the combustion test of the semi-incombustible material. The board construction is characterized by high efficiency because it does not rebound when nails are placed.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a siding board according to the present invention, FIG. 2 is an explanatory view showing a construction state of the board, FIGS. 3 (a) to (h), and FIG. 4 (a). (C) is an explanatory view showing another embodiment. 1 …… Surface material, 16 …… Insulation material, 17 …… Foaming inorganic material, 19
…… Fireproof plate, 20 …… Fireproof plate and spacer.

Claims (1)

[Scope of utility model registration request] 1. A rectangular decorative surface and a main body having a concave cross section formed by bending inward both side edges in the longitudinal direction of the decorative surface to form a side wall, and an insertion edge at the lower end of one side wall of the main body. The male connecting part is formed by bending the lower end of the other side wall inward to form an insertion groove having a U-shaped cross section, and extending the lower edge of the inserting groove outwardly to form a female connecting part. The heat insulating material comprises a surface material formed of a metal material, a heat insulating material made of a synthetic resin foam filled in a concave portion of the main surface of the surface material, and a back surface material covering an exposed surface in the longitudinal direction of the heat insulating material. In a siding board in which these constituent materials are integrally fixed by self-adhesiveness at the time of forming the material, a concave reinforcing and cosmetic rib is provided along the longitudinal direction at the center of the decorative surface, and the dimension from the decorative surface to the lower edge is approximately Is formed to a depth corresponding to, and while releasing the crystal water under high heat on the back surface of the rib, Foaming to impregnate the foamed inorganic material forming the inorganic foam layer, or Kotengu the fire plate,
A fireproof plate / spacer impregnated or coated with a foaming inorganic material on the back surface of the female mold is provided along the longitudinal direction of the spacer either directly or via an adhesive, and the heat insulating material is foamable. A siding board characterized by having no materials, inorganic porous particles, and mineral fibers dispersed therein, and having a heat insulating material bulged to a position on the back surface of the fireproof plate / spacer except for the vicinity of the insertion edge.