JPH06306961A - Seal material for wall panel - Google Patents

Abstract

PURPOSE:To improve the sealing performance of seal materials mounted along the internal openings of the vertical joints of a wall panel. CONSTITUTION:A seal material 7 has a beltlike base section 71, a pair of hollow seal sections 72a, 72b bulged to the front side of the base section along both side edges of the base section 71 and a pair of seal lips 73a, 73b projected in a chevron-shape from the front of the base section 71 along the center of the cross direction of the base section 71. A pair of the seal lips 73a, 73b are press-contacted with the internal surfaces of the left and right panel materials l of the vertical joint 3 of a wall panel along the internal opening of the vertical joint 3 while a pair of the hollow seal sections 72a, 72b are press-contacted and installed onto the internal surface of the panel material 1 at the positions of the outsides of the seal lips 73a, 73b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealant for a wall panel of a building, particularly a vertical joint of the wall panel from the indoor side,
The present invention relates to a sealing material that prevents water from leaking indoors from vertical joints.

[0002]

2. Description of the Related Art As shown in FIG. 8, in a wall panel constructed by arranging a large number of panel materials 1 made of concrete or the like vertically and horizontally, an outer opening of a lateral joint 2 is sealed with a caulking material 4. At the same time, the horizontal primary sealing material 5 is provided inside. Similarly, in the vertical joint 3, the outer opening is sealed with a caulking material (not shown), and the vertical primary sealing material is provided inside the opening. A horizontal secondary seal material 6 is provided on the indoor side of the horizontal joint 2.

As a sealing means for the indoor side of the vertical joint 3, there is one which uses a backing sealing material 7 having hollow seal portions 72a and 72b on both sides as shown in the drawing (actual flat plate 3-1).
08706).

The caulking material is ruptured or cracked by long-term use due to interlayer displacement between the panel materials 1 or deterioration of the material.
Water enters inside. Water may further enter the vertical primary seal material due to permeation by wind pressure or the like. The lining seal material 7 surrounds the inner opening of the vertical joint 3, and both hollow seal parts 72a and 72b are in pressure contact with the inner surface of the panel material 1 on both sides of the opening, so that the invading water is prevented from leaking indoors. Has become.

[0005]

However, due to the variation in the installation state of the sealing material 7 for backing and because the one surface of the panel material is not necessarily a completely smooth surface, the one surface of the panel material and the sealing portions 72a and 72b are not provided. There may be a case where a minute gap is generated between the and. Further, the backing sealing material 7 is generally used by joining pieces having a length of several meters in the longitudinal direction, but a slight step may occur at the joint portion, which causes a gap. Then, water may leak into the room through these gaps.

[0006] Therefore, the present invention has been made to further improve the sealing performance of the backing sealing material 7 and to complete the prevention of water leakage indoors.

[0007]

The present invention is shown in FIGS. 1 and 2.
As shown in, along the both side edges of the strip-shaped base 71, the base 7
1 is a tubular hollow seal portion 72 that bulges to the front side of 1.
In the vertical joint lining seal material 7 including a and 72b, a pair of seal lips 73a and 73b protruding from the front surface of the base 71 in a V shape are formed along the widthwise center of the base 71. .

[0008]

The vertical joints 3 of the wall panel are on the left and right sides on the indoor side, and the seal lips 73a and 73b of the sealing material 7 and the hollow seal portion 72
Since it is double sealed by a and 72b, vertical joint 3
It is possible to more reliably prevent water leakage from the inside to the indoors.

[0009]

EXAMPLE As shown in FIG. 1, in a horizontal joint 2 of a wall panel in which panel materials 1 are arranged vertically and horizontally, a horizontal primary seal material 5a is provided on the outer side and a horizontal secondary seal material 6 is provided on the inner side. Is provided, and the opening on the outer side is sealed with the caulking material 4a. Further, as shown in FIG. 3, the vertical joint 3 is also provided with a vertical primary seal material 5b on the outer side, and the opening has a caulking material 4b.
It is sealed with. On the indoor side of the panel material 1, a lining sealing material 7 is provided along the vertical joints 3.

As shown in FIGS. 1 and 2, the sealing material 7 is an extruded body, and extends in a tube shape along a strip-shaped base portion 71 and both side edges thereof, and bulges toward the front surface side of the base portion 71. And a pair of seal lips 73a, 73b extending along the center of the base 71 in the width direction and projecting in a V shape or a V shape from the front surface. The base portion 71 is made of solid rubber, and the other portion is made of sponge rubber. A double-sided adhesive tape 74 is attached to the back surface of the base 71.

As shown in FIG. 3, the sealing material 7 is joined to the tip flange 901 of the T-shaped substrate 90 protruding on the outer surface side of the steel column 9 via an adhesive tape 74 (FIG. 2), The seal lips 73a, 73b are sandwiched between the inner surface of the panel material 1 and the flange 901 so as to straddle the opening on the inner side of the vertical joint 3, and the seal lips 73a, 73b,
The hollow seal portions 72a and 72b are pressed against the inner surface of the adjacent panel material 1. The panel material 1 is bolted and fixed to the substrate 90 through the metal fittings 902 welded to both ends of the flange 901.

However, by providing the above-mentioned sealing material 7, even if water enters the inside of the vertical joint 3 and reaches the internal opening, both sides thereof are sealed by the sealing lips 73a and 73b, so that the water is Fall down. Even if some of the water leaks out from the seal gaps of the seal lips 73a and 73b to the outside of the lips 73a and 73b, the outer sides thereof are further sealed by the hollow seal portions 72a and 72b, so that no water leaks indoors. Certainly prevented.

The sealing material 7 is usually used by joining pieces having a length of several meters in the longitudinal direction. The joining is performed by directly abutting the ends of the upper and lower sealing members 7 or by joining them with an adhesive. This joining work requires a lot of work, and even if the work is done carefully, a gap may occur between the abutting surfaces, a position shift may occur, or a connection may be separated.

FIG. 4 and FIG. 5 show a connecting structure capable of connecting the upper and lower sealing members with each other with no positional deviation or gap and good workability.

In this structure, a molded sponge material such as a sponge rubber joint member is used. As shown in FIG. 4, the joint member 8 includes a base portion 81 having a length corresponding to the width of the base portion 71 of the seal member 7 (FIG. 2), and insertion portions 82a and 82b protruding vertically from both ends of the base portion 81. Receiving surface portions 83a, 83b protruding forward from the center of the base portion 81 in a V shape.
Is equipped with.

To connect the seal member 7 with the joint member 8, as shown in FIG. 5, the hollow seal portions 72a and 72b of the lower seal member 7 are inserted into the insertion portions 82a and 82 of the joint member 8.
The lower protruding portion of b is fitted, the base portion 81 abuts against the base portion 71 of the sealing material 7, and the receiving surface portions 83a and 83b receive the seal lips 73a and 73b. Then, by inserting the hollow seal portions 72a and 72b of the upper seal material 7 into the insertion portions 82a and 82b from above, the two seal materials 7 are connected with good workability and without displacement.

The insertion portion 82 of the joint member 8 is
The hollow seal portions 72a, 7a of the seal material 7 are provided on the a and 82b.
Notches 821a and 821b are provided in order to improve the insertability into 2b and the deformability of the seam when pressed against the inner surface of the panel material 1.

6 and 7 show another connecting structure for connecting the upper and lower sealing members 7. As shown in FIG. 6, joint portions 9A and 9B are formed on the upper and lower sides of each extruded sealing material 7 to be connected.

The upper joint portion 9A extends the hollow seal portions 72a and 72b of the sealing material 7 upward, and the columnar portions 92a and 92b having conical tips and the base portion 71 extending upward of the sealing material 7. 91 and a seal lip 73 of the seal material 7
a, 73b, and lip portions 93a, 93b extending upward and branching left and right to the upper end of the base portion 91, and both columnar portions 92.
A back plate portion 94 standing upright from the back side between a and 92b is provided. The base portion 91 is lower than the columnar portions 92a and 92b. The base 91 has a notch between the lip portions 93a and 93b.

On the other hand, the lower joint portion 9B includes hollow seal portions 95a and 95b extending downward from the hollow seal portions 92a and 92b of the seal material 7, and a base portion 96 extending downward from the base portion 71 of the seal material 7. , The sealing lip 73 of the sealing material 7
Seal lips 97a, 97 extending downwards a, 73b
b. The base portion 91 is a hollow seal portion 95a, 95.
It extends below b, and the seal lips 97a and 97b extend further below the base 91.

As shown in FIG. 7, the connection of the sealing material 7 having the molding joints 9A and 9B formed on the upper and lower sides is performed by connecting the joint 9B of the upper sealing material 7 to the back of the joint 9A of the lower sealing material 7. It is lowered along the plate portion 94, and the hollow seal portion 95 of the joint portion 9B.
While fitting the a and 95b into the conical tips of the middle pillars 92a and 92b of the joint 9A, the end faces of the bases 91 and 96 are abutted against each other, and the seal lips 97a and 97b are connected to each other.
a and 93b are overlapped in front of each other and the lower end thereof is provided with a lip portion 93
By abutting the bifurcated portions of a and 93b, workability can be easily performed without displacement.

[0022]

The present invention is provided with a pair of left and right seal lips and a hollow seal portion, and the interior side of the vertical joint of the wall panel is doubly sealed on the left and right sides respectively, so that water leakage from the vertical joint to the inside of the room is prevented. It can be surely prevented.

[Brief description of drawings]

FIG. 1 is a perspective view of a wall panel provided with a sealing material for lining of the present invention.

2 is a cross-sectional view of the sealing material for lining at a position along line II-II in FIG.

FIG. 3 is a horizontal sectional view showing a mounting structure of a sealing material for lining.

FIG. 4 (A) is a plan view of a joint member that connects the sealing materials for lining, and FIG. 4 (B) is a front view.

FIG. 5 is a view showing a state in which a backing sealing material is connected by a joining member.

FIG. 6 is a perspective view of a sealing material for lining having joint portions formed on the upper and lower sides.

7 is a diagram showing a state in which the sealing material for lining shown in FIG. 6 is connected.

FIG. 8 is a perspective view of a wall panel provided with a conventional sealing material for lining.

[Explanation of symbols]

 1 Panel Material 2 Horizontal Joint 3 Vertical Joint 4, 4a, 4b Caulking Material 5, 5a, 5b Horizontal Primary Sealing Material 6 Horizontal Secondary Sealing Material 7 Backing Sealing Material 71 Base 72a, 72b Hollow Sealing 73a, 73b Sealing Lip 8 Joint member 9A, 9B Joint part

Claims (1)

[Claims] 1. A sealing material for lining around an inner opening of a vertical joint of a wall panel composed of a large number of panel materials, which bulges toward the front side of the base along a strip-shaped base and both side edges of the base. A pair of hollow seal parts and a pair of seal lips protruding from the front surface of the base along the widthwise center of the base are provided, and the pair of seal lips are provided on the left and right panels along the inner opening of the vertical joint. A seal material for a wall panel, which is installed by press-contacting the inner surface of the material and press-fitting the pair of hollow seal parts on the inner surface of the panel material at positions outside the both seal lips.