JPH05156754A - Water-proof joint member - Google Patents

Abstract

PURPOSE:To increase a water-proof characteristic and improve the design, with out necessity of a cover at the joint of external decoration members. CONSTITUTION:A water-proof member A is constituted of a laid down joint B and a fitted body C. The fitted body C is fixed at the fixing part 4 having a pot-like section formed in the middle of the laid down joint B and unified for a unit. As the result, cut parts on the water-proof joint member A are prevented. The under side of the laid down joint 1 is bent and a folded part 2 is provided to flow water down to the surface of external decoration members at the lower stage to enable to immediately flow rain water downward. Both right and left pieces 6 support firmly the backing material used for a substrate of the external decoration member. The backing material is the same level with the water-proof member A and a laid down piece 8 contacts the substrate and hence, it serves for a reinforcing member. After the external material is applied, the nearby position of the joints keeps flat and it is not deformed. And hence, the design becomes better.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof joint material used for joints when a roof or a wall is formed by using an exterior material such as a roofing material for roofing or an outer wall material for horizontal lining.

[0002]

2. Description of the Related Art In the past, joint structures when exterior materials such as roofing materials for roofing and outer wall materials for horizontal linings were constructed by bending both side edges of the exterior material and joining them together. , A structure in which the side edges of the exterior material are sandwiched vertically by a siding plate and a cover material, a structure in which the exterior materials are simply overlapped with each other, and the like.

[0003]

However, in these structures, there is a disadvantage in that the water resistance is poor, and the surface unevenness is caused by stacking the exterior materials, resulting in deterioration of design. Further, particularly when applied to a roof material, there is a risk that the cover material is slid when the snow is removed in a snowy region and the joint portion is exposed to the outside.

[0004]

In order to eliminate such drawbacks, the present invention comprises a waterproof joint material composed of two members, a sheet and a fitting, and the fitting is provided at the center of the sheet. By engaging with the formed jar-shaped cross section locking part, it is possible to prevent the waterproof joint material from making cuts, etc. It has a fender for water to flow down on the surface of the exterior material, which allows rainwater to flow down quickly, and both the left and right installation pieces firmly support the backing material used as the base material of the exterior material. This invention proposes a waterproof joint material which is supported, and further has a shape in which the laying piece abuts on the roof substrate, so that the joint has improved waterproofness, designability, workability and strength.

[0005]

EXAMPLES The waterproof joint material according to the present invention will be described in detail below. FIG. 1A is an explanatory view showing a representative example showing the waterproof joint material A, and FIG. 1B is an enlarged end view taken along the line EE of FIG. 1A. The waterproof joint material A is located below the vertical joints of the exterior material D when the exterior material D as shown in FIG. 4 is applied, for example, to provide waterproofness and to connect side edges of the exterior material D. Is. To add further explanation, the waterproof joint material A is one in which the mat board C and the fitting body C are integrated, and is a thin metal plate such as a color steel plate, an aluminum plate, a titanium plate, a clad steel plate, a copper plate, or a synthetic resin plate. Etc., and is formed by roll forming, extrusion, injection molding, press molding or the like.

That is, as shown in FIG. 2, the pouch board B abuts on the rear surface of the decorative surface 13 of the exterior material D, and at the same time, the fitting body C is formed.
A seam part 1 for mounting, a seam part 2 in which the lower side of the seam part 1 is bent to the back side, and a rain return part 3 formed by bending the upper side of the seam part 1 to the front side, if necessary. Was formed from
In addition, as shown in FIG. 1 (b), in the width direction, both side edges are folded back to the front side and the tip thereof is folded back to form a pot-like locking portion 4, and both side edges of the locking portion 4 are extended. The support piece 5 and the installation piece 6 are bent downward and bent outward to form an L-shape, and the installation piece 6 is formed to be inclined downward at an angle θ from the upper end to the lower longitudinal direction. The side wall 7 and the laying piece 8 are formed, and the tongue piece 9 formed by folding back is formed on the side edge of the laying piece 8 as necessary. Further, the end face shape from the mat section 1 to the installation piece 6 can be made substantially the same not only in the mat section 1 but also from the mouth section 2 to the rain return section 3, but at least the mouth section 2
From the position up to the position W ₁ , only the stitch portion 1 and the locking portion 4 are formed, and the support piece 5 and the installation piece 6 are not formed. Similarly, the side wall 7 and the laying piece 8 are not formed at least from the recess 2 to the position W ₂ .

As shown in FIG. 3, the fitting body C has a locking piece 11 in which the left and right sides of the bottom surface 10 are folded back, and a locking tongue piece 12 in which the tip of the locking piece 11 is bent upward to form a mating bag. The cross-sectional shape is such that the connecting pieces 19 provided on both side edges of the decorative surface 13 of the exterior material D are fitted and locked. To further explain, the fitting body C is integrated in the stitch portion 1 of the stitch sheet B by both ends being locked by the locking portions 4 as shown in FIG.

An example of the exterior material D is a roof material for roofing as shown in FIG. 4, for example, which is made of the same material as the waterproof joint material A and is formed in a long shape by an equivalent method. That is, the exterior material D is formed by roll-molding a metal material or extrusion-molding an aluminum alloy or the like.

Further, one end of the exterior material D in the width direction is bent toward the decorative surface 13 side in a substantially U shape to form an engaging groove 14, and is folded back in a substantially U shape again to form a fitting edge 15. Then
Further, an end edge of the fitting edge 15 is bent downward and a fixing piece 16 is formed which is substantially parallel to the decorative surface 13 and is bent outward in an L-shape. Further, on the other end, a stepped decorative surface 17 and a locking piece 18 which are bent in a substantially U-shape on the back surface side are formed. Further, both side edges of the decorative surface 13 in the longitudinal direction are formed with goby-shaped connecting pieces 19 on the back surface side. In addition, in FIG. 4, strengthening the strength in the longitudinal direction,
In order to prevent rainwater or the like from the outside from entering the inside due to the capillary phenomenon, the groove 20 is provided with the engaging groove 14 and the locking piece 18.
Is formed.

The backing material E, which is the base material of the exterior material D, is
For example, it is a long body as shown in FIG. 5, and its material is a sheathing board, a sheathing insulation board, a rock wool board, a plywood, a wood wool cement board, a foam board such as styrene board, or a urethane foam, isocyanurate. Foam, phenolic foam,
It is formed from a synthetic resin foam such as vinyl chloride foam or a composite plate made of these. The backing material E is a backup material for the exterior material D, a heat insulating material, a soundproofing material, a waterproof material,
It functions as a humidity control material.

The exterior material D and the backing material E are connected in the flow direction to form a roof surface, as shown in FIG. That is, the roof base α including the waterproof sheet α ₁
The lower lining material E ₁ is placed on top of the lower lining material E ₁ , and the lower lining material D ₁ is mounted on the fixing piece 16 of the lower tier outer material D ₁ with a fixing tool β such as a nail and the lower lining material E ₁ is interposed between the roof and the roof. Fix to the base α.
Next, the upper backing material E ₂ is attached to the fixing piece 16 of the lower exterior material D _1.
It is loaded on top, and the locking piece 18 of the outer packaging material D ₂ is fitted and locked in the engagement groove 14 of the lower packaging material D ₁ , and the upper packaging material is placed on the upper lining material E _2. D ₂ is loaded.

Thus, by forming each step from the eaves direction to the ridge direction, a space γ having a substantially triangular cross section in vertical section is formed between the roof substrate α and the backing material E in a direction perpendicular to the flow direction as shown in FIG. It is formed. This void γ can function as a flow passage for fresh air and the like, and further promotes the functions of the backing material E, such as heat insulation, soundproofing, and humidity control, and also prevents dew condensation to prevent roof base α, exterior materials. It contributes to the prevention of corrosion such as D.

Next, the connection between the exterior materials D in the direction perpendicular to the flow direction (lateral direction) is made by using the waterproof joint material A, which will be described below with reference to construction examples. First, as shown in FIG. 7, the fitting portion 15 of the backing material E and the exterior material D, which are fixed to the lower stage, is hooked with the flange 2 of the waterproof joint material A, and the installation piece 6 is attached to the exterior material E. Fixed piece 1
The waterproof joint material A is arranged so as to come into contact with the roof base 6 and the laying piece 8 comes into contact with the roof base α. Here, if necessary, the waterproof joint material A may be fixed to the roof base α from above the laying piece 8 with a fixture (not shown) such as a nail. Then, as shown in FIG. 8B, which is an enlarged end view taken along the line of FIG. 8A and FIG. 8A, the support piece 5 and the installation piece 6 of the waterproof joint material A are brought into contact with each other. Laying the upper and lower backing materials E. Lastly, as shown in FIG. 9A and FIG. 9B which is an enlarged end view of the wire of FIG. 9A, the connecting pieces 19 on the left and right of the outer packaging material D on the upper stage are made of the waterproof joint material A. The locking piece 18 of the upper outer material D is fitted and locked in the engaging groove 14 of the lower outer material D in the arrow X direction so as to be fitted to the locking tongue piece 12. It is pushed all the way to form joints and complete the connection.

In the joint portion thus formed, the rainwater that tries to enter the inside has a primary waterproof structure by the fitting body C and a double waterproof structure by the locking portion 4, so that the waterproof property is greatly improved. Further, since the waterproof joint material A is fixed by the exterior material D, the workability is good and the waterproof joint material A is
The movement of oneself disappears. Further, the backing material E and the waterproof joint material A are flush with each other by abutting the backing material E on the installation piece 6, and even after the exterior material D is set, the periphery of the joint is flat and has no pecks and is aesthetic. Is improved. Since the laying piece 8 abuts on the roof base α, the waterproof joint material A is reinforced, and the waterproof joint material A is not bent or damaged from the upper portion by pressing (stepping on by a person or the like).

Here, the dimensional relationship of each part will be briefly described. In FIG. 1A, the total length of the waterproof joint material A is W, the length of the cutout portion of the installation piece 6 is W ₁ , the height is h ₁ , and the length of the cutout portion of the laying piece 8 is W ₂ , The height of the portion 2 is h ₂ , the inclination angle of the side wall 7 is θ, and in FIG. 4, the entire width of the exterior material D is W ₃ , the length of the fitting edge 15 is W ₄ , the height is h ₃ , and the fitting edge is When the length from 15 to the tip of the fixing piece 16 is W ₅ , the height of the stepped surface 17 is h _4, and the total width of the backing material E is W ₆ and the total height is h ₅ in FIG. 5, W≈W _{3
≒ W 6 -W 4, W 1} ≧ W 4, W 2 ≧ W 5, W 4 <W 5,
The relationships are h ₁ ≈h ₄ ≈h ₅ and h ₂ ≦ h ₃ . Further, θ can be derived by the following equation 1.

[Equation 1]

What has been described above is one embodiment of the waterproof joint material A according to the present invention, and it can be formed as shown in FIGS. 10 to 15. That is, FIGS. 10 to 13 are modified examples of the pouch board B, and FIGS. 10 (a), (b), and FIG.
(A) is an example in which the fan portion 2 and the rain return portion 3 are each cut off. 12 (a), (b), and FIG. 13 (a) are examples in which the width of the stitch portion 1 is extended, and FIG. 12 (b) is an example in which a convex strip 6a or a concave strip (not shown) is formed. 13 (a) is an example in which the strength and waterproof property are improved by interposing one soft packing 6b. Further, FIG. 13B shows an example in which an aluminum alloy or the like is extrusion-molded and then processed.

14 (a) and 14 (b) show a waterproof joint material A.
14A is an example in which a core material 22 is filled in a portion where the laying piece 8 exists in the concave portion 21 of FIG. 14A. As shown in FIG. 14A, a synthetic resin foam (urethane foam, nurate foam, phenol foam, vinyl chloride foam) is used as the core material 22. Etc.), the exposed surface of the core material 22 is covered with a sheet-like material 23, and the strength and the heat insulation are improved. In addition, FIG.
This is an example in which a wood piece, a bulk material and the like are interposed as the core material 22 in the same portion as (a).

FIGS. 15 (a) to 15 (f) show a modified example of the fitting body C, and FIG. 15 (a) shows a protrusion 12 in the middle of the locking tongue 12.
a or an example in which a concave line (not shown) is formed, FIG.
(B) is an example in which the tip of the locking tongue 12 is folded back to form a tongue piece 12b, Fig. 15 (c) is an example in which the tongue piece 12b is extended outward to form a reinforcing piece 12c, and Fig. 15 (e) is An example in which the tip of the locking tongue 12 is covered with a soft packing 12d, FIG. 15 (f)
Is an example in which a lower tongue piece 10a is formed by bending the lower side of the bottom surface 10 downward. Needless to say, the waterproof joint material A can be formed by freely combining the mat board C and the fitting body C, respectively.

[0019]

As described above, according to the waterproof joint material of the present invention, since it is not necessary to use the cover material, the workability is good, and the side end portion of the exterior material is fitted and locked to the waterproof joint material. Therefore, the waterproof property is improved. Since the waterproof joint material is fixed by the exterior material, there is no water leakage due to driving of nails or the like, and the waterproof joint material itself does not move. Since the exterior material has a joint structure backed up by the waterproof joint material, deformation can be prevented. Each of the mat board and the fitting body can be roll-formed and the productivity is good. Since the backing material abuts on the installation piece, the backing material and the waterproof joint material are flush with each other, and even after the outer covering is formed, the periphery of the joint is flat and has no pecks and the design is improved.
Since the laying piece abuts on the base, it serves as a reinforcement for the waterproof joint material, and is not bent or damaged by pressure from above (stepping on by a person or the like). There are effects and features.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a typical example of a waterproof joint material according to the present invention.

FIG. 2 is an explanatory view showing a siding board used in FIG.

FIG. 3 is an explanatory view showing a fitting body used in FIG. 1.

FIG. 4 is an explanatory diagram showing an example of an exterior material. .

FIG. 5 is an explanatory diagram showing an example of a backing material.

FIG. 6 is an explanatory diagram showing a vertically connected state of an exterior material and a backing material.

FIG. 7 is an explanatory diagram showing a construction example.

FIG. 8 is an explanatory diagram showing a construction example.

FIG. 9 is an explanatory diagram showing a construction example.

FIG. 10 is an explanatory diagram showing another example of the sheet.

FIG. 11 is an explanatory diagram showing another example of the sheet.

FIG. 12 is an explanatory diagram showing another example of the sheet.

FIG. 13 is an explanatory diagram showing another example of the sheet.

FIG. 14 is an explanatory diagram showing another example of the waterproof joint material.

FIG. 15 is an explanatory diagram showing another example of the fitting body.

[Explanation of symbols]

 A Waterproof joint material B Laminate board C Fitting body 1 Lame portion 2 Envelope portion 3 Rain return portion 4 Locking portion 5 Supporting piece 6 Installation piece 7 Side wall 8 Laying piece 9 Tongue piece 10 Bottom surface 11 Locking piece 12 Locking tongue Piece

Claims (1)

[Claims] 1. At least a short plate-shaped lower part of a crease part is bent downward, a rain-bending part in which an upper part of the crease part is bent in a direction opposite to the dent part, and from the crease part A locking portion whose central portion is formed into a pot-like shape in a cross section over the fender portion, and both ends in the width direction of the locking portion are extended to bend the tip downward and bend outward and have a substantially L-shaped cross section. Has a support piece and an installation piece formed in
Furthermore, a siding plate composed of sidewalls formed by inclining downward at an angle θ along the longitudinal direction of the installation piece and a siding piece, and at least a length not more than the siding portion, and a short plate-shaped bottom surface. And a fitting body in which the locking tongue pieces are formed by bending the ends of both the locking pieces upward and bending the tips of the locking pieces upward to form a mating bag-like shape. The waterproof joint material is characterized in that it is locked to and integrated with the locking portion of.