JPS6040759Y2 - siding board - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a siding board useful as an exterior wall material for buildings and structures.

In particular, when forming a wall, the decorative surface is flush with the surface to create a beautiful appearance, and it also improves fire prevention, heat insulation, sound absorption, airtightness, workability, waterproofness, productivity, mechanical strength, and prevents condensation. This relates to a siding board (hereinafter simply referred to as a board) designed to

Generally, in a wall body formed using a board, the width of each board is narrow, so a large number of connecting parts, so-called joint parts, are formed.

However, these joints tend to be uneven, which severely impairs the appearance, and they also lack fireproofing, waterproofing, heat insulation, and earthquake resistance, and the base material, such as the rim, is corroded.

In order to eliminate these drawbacks, the present invention proposes a board that has a special structure for the connecting parts and has greatly improved fireproofing, waterproofing, heat insulation, workability, etc.

An embodiment of the board according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a cross-sectional view showing a typical example of the above-mentioned board, and 1 is a surface material made of one of, for example, a thin metal plate, a so-called colored steel plate, a stainless steel plate, a copper plate, an aluminum plate, etc.

The surface material 1 also includes a rectangular decorative surface 2 and side walls 3 and 4 whose longitudinal edges are vertical or inclined (not shown).
The main body 5 is composed of a main body 5, a male connecting portion 1 whose lower ends on both sides protrude outward, and a female connecting portion 7.

To explain further, the male type connecting part 6 consists of an insertion edge 8 which protrudes outward from the lower end of the side wall 3 substantially parallel to the decorative surface, and a tongue piece 9 whose tip is bent inward. Reference numeral 7 indicates that the lower end of the side wall 4 is bent inward and then bent outward again to form an insertion groove 10, and the lower edge 11 thereof is extended outward to form an extension portion 12.

Reference numeral 13 denotes a protrusion that is formed parallel to the side wall 4 in the middle of the extension portion 12, and has a tongue piece 14 bent upward at its tip.

15 consists of an upper layer 15a and a lower bulging portion 15b which are separated by a core material for convenience, and the upper layer 15a is filled in a concave portion of the main body 5, a portion surrounded by the lower surface of the so-called decorative surface 2 and the back surface of the side walls 3 and 4. The bulging portion 15b is a core material portion existing in a portion of the back surface of the upper layer 15a that protrudes further downward from the lower surface of the extension portion 12 except for the vicinity of the male connecting portion 6.

Of course, the forms 15a and 15b may be a single piece or a plurality of pieces depending on the manufacturing method.

Note that a notch 16 is formed by cutting out or recessing a portion of the bulging portion 15b near the male connecting portion i by Δ1.

In addition, the core material 15 is mainly used under normal usage conditions: ■insulating material, @waterproofing and moisture-proofing material, 0 sound absorbing material, ○cushioning material, and ■backing material (as shown in Fig. 2 between the mutual members of the connecting part). As shown, a backing is provided around the nails 17 for fixing the board to prevent rainwater from entering the rim 18 due to capillary action.

), 6 Hibiki, Cushioning material, [F] Takakamimura, ■It functions as an adhesive.

The core material 15 that exhibits such functions is made of a synthetic resin foam that has high heat insulation properties, waterproof properties, cushioning properties, etc. in a normal state.

Note that the core material 15 becomes a carbide at high temperatures, and some core materials 15 do not generate many cracks when becoming a carbide, and furthermore, have a small volumetric shrinkage.

Of course, when manufacturing the core material 15, it is desirable to use a raw material that has fluidity and self-adhesiveness and can be molded all at once without being influenced by the shape.

Specific examples of this core material 15 include polyisocyanurate foam (including phenol and urethane modified), phenol foam, and mineral fibers (glass fiber, asbestos fiber, rock wool), carbon fiber, metal fiber, etc. Foams include pearlite grains, shirasu balloons, vermiculite, glass peas, etc.

The blending ratio of this type of additive varies depending on the purpose, but is, for example, about 5 to 20 parts by volume per 10 parts by volume of the foam raw material.

Reference numeral 19 denotes a sheet-like material (hereinafter simply referred to as a sheet), which is made by laminating one or two of, for example, kraft paper, asbestos paper, gypsum paper, asphalt felt, and metal foil, and mainly extends in the longitudinal direction of the core material 15. The exposed surface of the board is covered to protect the core material 15, and the sandwich structure serves to strengthen the mechanical strength of the entire board and to function as a mold release material when the core material 15 is shaped.

Further, the sheet 19 can be subjected to waterproof treatment and a coating layer (for example, a synthetic resin film, aluminum foil, or paint layer).

Reference numeral 20 denotes a fire retardant mixed at high density in the bulging portion 15b of the core material 15 existing in the area surrounded by the lower edge 11, the extension portion 12, and the sheet 19.

The fire retardant 20 is mainly used to strengthen the fire retardant properties of the joints of the board and to provide rigidity during nail driving. Balloon), etc., and one or more fire retardants such as borates, silicates, and perlite particles impregnated with one or more of these.

Here, to explain the dimensional relationship of the board, the dimension from the surface of the sheet 19 to the surface of the extension part 12 is H□, the dimension from the surface of the extension part 12 to the top surface of the protrusion 13 is H2,
The opening dimension (height) of the insertion groove 10 is H3, the dimension from the surface of the sheet 19 to the top surface of the notch 16 is H4, and the core material 1
5 (total thickness) is H6, the dimension of the tongue piece 9 is the crosspiece, the dimension from the surface of the decorative surface 2 to the top surface of the notch 16 is H7,
The dimension from the deepest part of the insertion groove 10 to the tip of the tongue piece 14 is L1.
The dimension from the innermost part to the center of the protrusion 13 is h1, the dimension from the tongue piece 9 to the side surface of the notch 16 is L3, the dimension of the insertion edge 8 is 2, the thickness of the surface material 1 and the sheet 19 is H, originally, H2≦H1+H2, H3>crosspiece, Hs>H4, (
H5+chi+tz) H7=H4+Peng, L1=L3
, L2=L4.

Next, the mounting order of the boards according to the present invention will be briefly explained.

As shown in FIG. 2, first, the board α is brought into contact with the furring 18, and the end of the extension portion 12 is fixed via the nails 17 as shown in the figure.

Next, the insertion edge 8 of the board β is inserted into the insertion groove 10 of the board α.

To form the outer wall, these operations may be repeated in sequence.

Therefore, we measured each performance of the outer wall formed in this way.

First of all, in terms of waterproofness, water is sprayed with a nozzle (
Three particles were injected at a pressure of 1.4 kg/cm from a diameter of 12.7#), and then the T1 point on the barrel rim 18 was observed.
No water leakage was observed.

Further, when the nail 17 was pulled out and observed, no water leakage was observed.

This is because the special structure of the connecting portion and the elasticity of the core material 15 act synergistically.

The core material raw material for the above board is urethane-modified polyisocyanate containing polyol (product name NL-002 system, manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd.) and polyisocyanate (product name MR-100, manufactured by Nippon Polyurethane Co., Ltd.). Nurate foam raw material is injected by an injection method, and the fire retardant 20 is pearlite grains (average particle size 3m+
y+φ), a board as shown in FIG. 1 was manufactured.

As mentioned above, the board according to the present invention has a special retaining structure that has a core material mixed with a fire retardant in the joints, so it is a board that can pass the fire protection structure, and the decorative surface is flush. It has the feature of being able to form walls that are aesthetically beautiful.

In addition, the joints are characterized by excellent waterproofness, heat insulation, cushioning properties, airtightness, and workability.

Furthermore, even if the surface of the base is slightly uneven during installation, the finish can be blended into the base so that the finish becomes the same common plane, resulting in a beautiful exterior finish.

It also reduces the impact when the building structure vibrates due to an earthquake,
There is also a secondary feature that prevents the board from detaching.

Furthermore, when the board is fixed, water leakage from the nail holes drilled into the frame can be prevented due to the thickness of the core material, and there is an advantage that the rim etc. will not discolor or corrode.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing an embodiment of a siding board according to the present invention, and FIG. 2 is an explanatory view showing a mounting portion of the siding board. 1... Surface material, 2... Decorative surface, 6...
...Male type connection part, 7...Female type connection part, 15
... Core material, 20 ... Fire retardant.

Claims (1)

[Scope of utility model registration request] It consists of a main body formed with a concave cross section from a rectangular decorative surface and side walls whose both sides are bent inward, an insertion edge whose lower end of one of the side walls projects outward, and a tongue piece whose tip is bent. The male connecting part and the lower end of the other side wall are bent inward and protrude outward again to form an insertion groove, and the lower edge thereof is extended outward and a protrusion is provided in the middle parallel to the insertion groove. and a female connecting part with a bent tip of the extension part; A core material made of synthetic resin foam with a cutout near the insertion edge,
In a siding board made of a sheet-like material integrally formed by covering the entire exposed surface of the core material in the longitudinal direction, the tongue piece of the insertion edge is bent inward, and the tongue piece at the tip of the extension part is bent inward. It is a structure that is bent outward and has a fire retardant material distributed in a high density in the core material existing on the lower surface extending from the lower edge, and the dimension from the tongue piece of the insertion edge to the side surface of the notch part is L3, the dimension from the deepest part of the insertion groove to the extension tongue piece is Ll, the dimension from the deepest part of the insertion groove to the center of the protrusion is L2, the length of the insertion edge is L4, the back side of the bulge part. The dimension from the surface of the sheet to the surface of the extension is H, the dimension from the surface of the extension to the top of the protrusion is L, the opening height of the insertion groove is H3, and the back of the sheet on the back of the bulge. The dimension from the top surface of the notch to H1, the dimension from the top surface to the decorative surface surface is H7, the height dimension of the tongue at the tip of the insertion edge is H6, the thickness of the core material from the sheet surface, the surface material,
If the thickness of the sheet-like material is Chi and Sakura, then H4≦H, +H2
, H3>Ha, H5>H4, υ90t, 10t2) - H7
=Remaining+H2, L1=1"3XL2=L4. A siding board characterized by: