JP2001173192A - Gasket for joint, mounting method of gasket and gasket- attached building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gasket for a joint capable of being conformed to the color and pattern of an exterior wall without damaging waterproof performance, the mounting method of the gasket and a gasket-attached building. SOLUTION: The gasket 10 for the joint is constituted of a gasket leg section 11 and a gasket head section 20 connected to the gasket leg section, the gasket leg section 11 has sealing pieces 12 waterproofing the joint, the gasket head section 20 is divided into a plurality of sections 20A, 20B, 25A, and each section has mounting sections 21, 26 closing the joint. The gasket leg section 11 has the sealing pieces 12 extended on both sides of a central base section 13, and a projecting section 22 is formed in either one of the gasket head section 20 or the central base section 13 of the gasket leg section 11 and a receiving section 14, to which the projecting section 22 is connected, to another.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint gasket which is inserted into a gap (joint) in an outer wall panel or the like of a building to improve the external appearance and to have a waterproof function, a method of attaching the gasket, and the gasket. Related to the attached building.

[0002]

2. Description of the Related Art When a plurality of outer wall panels are mounted around a structure of a building, a gap called joint is formed between the outer wall panels. Various constructions are performed on the joints in order to improve the beauty of the appearance or to prevent rainwater from entering. As a wet construction method, apply mortar, inject caulking material (sealing material),
Although there are construction methods for filling, these construction methods are complicated in construction itself, are easily affected by weather, etc. because they are performed on site, and there is a problem that the construction state changes due to the skill of the constructor . Further, as another construction method, there is a dry construction method in which a gasket is inserted into a joint of an outer wall panel or the like, and this method is widely used because the construction itself can be easily performed.

[0003] Conventionally, as a method of applying joints using this type of gasket, there is a method disclosed in Japanese Patent Application Laid-Open No. 6-207433. Gasket 1 described in the above publication
As shown in FIG. 5, a core material 2 inserted into the joint from the distal end portion, and a symmetrical inner portion extending rearward and obliquely from both side surfaces of the core material 2 to close the joint inside the joint Sealing piece 3a,
3a, 3b, 3b, a surface seal piece 4a provided at the rear end of the core material 2 and closing the joint at a position on the surface side of the joint, a surface seal piece 4a, and a front adjacent internal seal piece 3b, 3b. And a pair of bridge pieces 6, 6 connecting both sides of the core material 2, and the surface of the surface sealing piece 4a is formed in a concave curved surface, and a gasket is inserted. In this case, the surface fin is improved so as not to be involved or meander.

[0004]

In the joint gasket 1 having the above structure, when the width of the joint slightly changes, the inner seal pieces 3a and 3b made of an elastic material are adhered to the change in width. Although the waterproof performance can be secured, if the color or pattern of the members that make up the joint such as the outer wall panel or aluminum sash changes in the middle of the vertical direction, the color or pattern of the member and the color and pattern of the gasket On the other hand, the gasket rises and becomes uncomfortable. In this case, the gasket may be cut and connected halfway to match the color and pattern, but this may reduce the waterproof performance.

The present invention has been made in view of such a problem, and an object of the present invention is to change the width of joints and the color pattern and shape of members constituting joints.
Or even if it changes in the middle, a joint gasket that can be connected to the member without impairing the waterproof performance and can be matched with the color and pattern of the outer wall, a method of attaching the gasket, and a building to which the gasket is attached To provide.

[0006]

In order to achieve the above object,
A joint gasket according to claim 1 is a joint gasket that is inserted and attached to a joint of a building, wherein the joint gasket is a gasket leg and a gasket head connected to the gasket leg. Wherein the gasket leg has a seal piece for waterproofing the joint, and the gasket head has a front cover for closing the joint. According to this configuration, even when the width and the color and pattern of the members constituting the joint are different in the middle, a plurality of gasket heads are connected to one gasket leg for waterproofing and integrated to form a joint gasket. The joint gasket can be inserted and attached to the joint, and the joint gasket does not rise from members constituting the joint, the appearance of the building can be improved, and the waterproof performance is not impaired.

According to a second aspect of the present invention, there is provided a joint gasket, wherein the gasket legs have the sealing pieces extending on both sides of a center base, and the gasket head and the center base of the gasket legs are connected to each other. One of them is provided with a projection, and the other is provided with a receiving part to which the projection is connected. According to this configuration, the gasket head and the gasket legs can be connected by an extremely easy operation, and the joint gasket 10 can be integrated.

According to a third aspect of the present invention, there is provided a joint gasket, wherein the seal piece is formed of a plurality of seal pieces extending symmetrically from the center base in a rearward oblique direction, and the seal pieces are adjacent to each other. They are connected by a hollow bridge piece. According to this configuration, the sealing piece does not elastically contact a member such as an outer wall panel in a state where the sealing piece is biased, and the elastic contact state becomes equal left and right, the waterproof performance is improved and the appearance is improved. The durability is improved.

According to a fourth aspect of the present invention, there is provided a method for mounting a joint gasket, comprising: inserting a joint gasket comprising a gasket head and a gasket leg into a joint of a building; The method
A plurality of gasket heads are connected to and integrated with a receiving portion of one gasket leg, and the integrated joint gasket is inserted from the tip of the gasket leg into the joint and attached. I have. According to this configuration,
A plurality of gasket heads having different colors and the like can be integrally connected to the gasket legs and then inserted into joints such as an outer wall panel, so that the joint gasket can be attached very easily.

According to a fifth aspect of the present invention, in the method of mounting a joint gasket, each of the plurality of gasket heads has a surface mounting portion corresponding to a color pattern and a shape of a member constituting the joint. According to this configuration, even when the color pattern or the like of the member forming the joint changes on the way, the gasket head can be matched with the color pattern or the like of each member, and the appearance of the building can be improved. .

According to a sixth aspect of the present invention, there is provided a building to which the joint gasket is attached, wherein the joint gasket is inserted into the joint, and the joint gasket is divided into a plurality of parts. The leg is formed of one connecting the plurality of gasket heads. According to this configuration, the waterproofing performance is improved because the gasket can be waterproofed by one gasket leg, and the color and pattern can be matched to the member constituting the joint by the plurality of gasket heads, thereby making the joint gasket inconspicuous. be able to. Also, since only the gasket head can be easily replaced, the joint gasket can be repaired at low cost without impairing waterproofness.

[0012] In the building to which the joint gasket according to the invention of claim 7 is attached, it is preferable that the plurality of gasket heads have a surface mounting portion corresponding to a color pattern and a shape of a member constituting the joint. According to this configuration, the gasket head can be connected according to the color pattern and shape of the members such as the outer wall panel and the opening that constitute the joint, so that the joint is inconspicuous, the texture is high, and the appearance is beautiful. An improved building can be provided.

[0013] In a building to which the joint gasket according to the invention of claim 8 is attached, the gasket legs have seal pieces extending on both sides of a center base, and the gasket head and the gasket legs. And a receiving portion to which the protruding portion is connected is provided on one of the central base portion and the other. According to this configuration, it is possible to easily connect the gasket head and the gasket leg, and to provide a building in which the joint gasket can be easily attached to the joint.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a joint gasket according to the present invention will be described below in detail with reference to the drawings. FIG.
1 is a sectional view of an embodiment of the joint gasket according to the present invention, FIG. 2A is a sectional view of a gasket head of the joint gasket of FIG. 1, and FIG. 2B is a gasket of the joint gasket of FIG. FIG. 2C is a cross-sectional view of another gasket head. 1 and 2, a joint gasket 10 includes a gasket leg 11 and a gasket leg 11.
And a gasket head 20 connected to the head. Further, a gasket head 25 can be connected to the gasket leg 11. The gasket leg 11 has a sealing piece 12 for waterproofing the joint, and the gasket heads 20 and 25 have front parts 21 and 26 for closing the joint. In this specification, the direction in which the joint gasket is inserted is defined as the front, and the outer wall panel side is defined as the rear when inserted and mounted.

The gasket leg 11 is formed into a long material by extrusion or the like from a rubber elastic material such as ethylene-propylene-diene-terpolymer (hereinafter referred to as EPDM), and the center base 13 is formed thick and hard. ing. The hardness of this rubber elastic body is set to 55 degrees to 75 degrees.
The rear end of the central base 13 is a receiving portion 14 with which the projection of the gasket head 20 is engaged. The receiving portion 14 is composed of a central concave portion and engaging pieces on both sides. A plurality of seal pieces 12 extend from the center base 13 symmetrically in the rearward and oblique directions, and the seal pieces 12 are thin and elastically deformable.

Since the sealing piece 12 is inclined rearward at an angle of about 60 degrees as described above, when it is inserted into the joint, it has low resistance and is easy to insert. Has a configuration in which the seal pieces 12 bite into the joints so that the seal pieces 12 are not easily detached. Three pairs of seal pieces 12 are extended, and two rear pairs are connected by hollow bridge pieces 15. Since the bridge piece 15 prevents the connected two pairs of seal pieces from being deformed independently, one seal piece 12 is not significantly deformed by itself.

The gasket head 20 has a trapezoidal surface mounting portion 21.
And a tapered arrow-shaped protruding portion 22 continuous with the front mounting portion 21.
The projection 22 is orthogonal to the front mounting 21. The gasket head 20 is similarly formed from a rubber elastic body such as EPDM into a long material by, for example, extrusion molding. A layer 23 of a chlorinated polyethylene (hereinafter, referred to as CPE) color material is formed on the surface of the front mounting portion 21, and various colors are applied in accordance with an outer wall panel or the like to be inserted. For example, a color matching a gray outer wall panel, a black color sash, a bronze color sash, or the like is applied. The protruding portion 22 has a tapered arrow shape as described above, the head at the tip is shaped so that it can be easily inserted, and the constricted portion between the head and the front mounting portion,
The engagement piece of the receiving portion 14 is engaged with the constricted portion, and can be connected to the gasket leg 11.

The other gasket head 25 shown in FIG. 2C is formed from a rubber elastic body such as EPDM, for example, by extrusion molding, like the gasket head 20 described above. Are different in shape. That is, the width W2 of the front mounting portion 26 is set smaller than the width W1 of the front mounting portion 21 of the gasket head 20. The projection 27 has exactly the same shape as the projection 22 and can be connected to the gasket leg 11.

The operation of inserting the joint gasket 10 of the present embodiment having the above-described configuration into a joint such as an outer wall panel and mounting the joint gasket 10 will be described below with reference to FIGS. FIG. 3A is a front view of a main part showing a joint of a building,
4B is a perspective view of the joint gasket before connection, FIG. 4A is a cross-sectional view of the outer wall panel part of FIG. 3, and FIG.
FIG. 4 is a sectional view of the opening in FIG. 3. Building 5 is shown in FIG.
As shown in FIG. 1, for example, an outer wall panel 7 and an aluminum sash 8 as an opening are provided in a steel-frame-based unit housing formed in a substantially box shape from columns and beams, and joints 6 are formed in the vertical and horizontal directions. The joint may be formed between the two outer wall panels 7, may be formed between the aluminum sashes 8 which are openings such as a window frame, or may be formed between the aluminum sash 8 and the outer wall panel 7.

FIGS. 3 and 4 show joints 6A and 6B formed between the outer wall panels 7 and 7 and joints 6C formed between the aluminum sashes 8 and 8, for example, the outer wall panel 7 has a gray color. The aluminum sash 8 has a bronze color. The joint gasket 10 is inserted into a vertical joint, and a drainer or the like is attached to the horizontal joint. The joints 6A and 6B of the outer wall panel are shown in FIG.
As shown in FIG. 4, a wide step D1 is formed, and a joint 6C of the opening is formed with a narrow step D2 as shown in FIG. 4B.

When the joint gasket 10 is inserted into the joints 6A, 6B, 6C, first, one gasket leg 11 having a length L corresponding to the entire vertical dimension is prepared. Next, the gray gasket head 20 is divided into the vertical dimensions L1 and L3 of the outer wall panels 7a and 7b corresponding to the upper and lower outer wall panels 7a and 7b of the aluminum sash 8, and the gasket heads 20A and 20B are divided. To form Then, the bronze gasket head 25 corresponding to the aluminum sash 8 is divided into the length L2 of the aluminum sash 8 to form a gasket head 25A. Here, L = L1 + L2
+ L3. The gray gasket heads 20A and 20B and the bronze gasket head 25A cut to predetermined dimensions in this manner are combined with one gasket leg 11.
Connect to. That is, the receiving portion 1 of the gasket leg 11
4 is a projection 2 of the gasket head 20A, 20B, 25A.
The joint gasket 10 can be integrated by connecting the joints 2 and 27 by a very easy operation of inserting them.

The integrated joint gasket 10 is a joint 6 formed by the outer wall panel 7 and the aluminum sash 8.
The joint gaskets 10 having different colors and patterns can be easily attached at a time since the joint gaskets 10 are attached to A, 6B, and 6C by being inserted from the distal ends. The joint gasket 10 attached in this manner is a seal piece 1 of the gasket leg 11.
2 is an opposite surface of the steel frame 5a attached to the back surface of the outer wall panel 7, an end surface of the outer wall panel 7, and an aluminum sash 8
To prevent intrusion of rainwater and the like. Thus, the gasket leg 11 waterproofs the joint by the seal piece 12.

The gasket heads 20 and 25 close the openings of the joints 6 by the covering parts 21 and 26, and the joints between the gray outer wall panels 7 have the gray gasket heads 2.
0 is inserted, and a bronze gasket head 25 is inserted into a joint between the bronze aluminum sashes 8. For this reason, joints become less noticeable, and the texture of the building can be enhanced. In the seal piece 12, the adjacent seal pieces are connected by the hollow bridge piece 15, and one seal piece is not greatly deformed. The left and right sides are even, the waterproof performance is improved and the appearance is improved, and the durability of the joint gasket 10 is improved.

Further, since the gasket heads 20 and 25 are located outside the building, there is a high possibility that the gasket head will be deteriorated.
A new gasket head can be connected to the gasket legs 11 and replaced. Since only the gasket head can be easily replaced in this way, the joint gasket 10 can be partially replaced and repaired at low cost without impairing the waterproof performance, and the durability is improved. be able to.

In the above-described embodiment, an example is shown in which three gasket heads are connected to one gasket leg, but one gasket head having a different color and pattern without being divided into gasket legs. May be connected and integrated. The gasket head is formed with a projection, the gasket leg is formed with a receiving portion, and the two are connected.However, a projection is formed on the gasket leg, and a receiving portion is formed on the gasket head. You may comprise so that it may be connected. Further, the gasket is made of a rubber elastic material such as EPDM or CPE, but it is needless to say that other materials may be used. Although the bridge piece is configured to connect two seal pieces, the bridge piece may be connected to three seal pieces.

[0026]

As can be understood from the above description, according to the joint gasket according to the first aspect of the present invention, the joint gasket includes a gasket leg and a gasket head connected to the gasket leg. The gasket leg is configured to have a sealing piece for waterproofing the joint, and the gasket head is configured to have a front cover that closes the joint, so that the width and color pattern of the member constituting the joint are Even if the gaskets are different on the way, a joint gasket can be inserted into the joint and attached to the joint by combining a plurality of gasket heads with one gasket leg to form a joint gasket. It does not rise from the members that make up the joint, improves the aesthetic appearance of the building, and does not impair the waterproof performance.

According to the joint gasket according to the second aspect of the present invention, the gasket leg has the sealing piece extending on both sides of the center base, and the gasket head and the center of the gasket leg are provided. Since the protrusion is provided on one of the base and the other is provided with a receiving portion to which the protrusion is connected,
Joint gasket 1 that can be connected by extremely easy operation
0 can be integrated.

According to the joint gasket according to the third aspect of the present invention, the seal piece is composed of a plurality of seal pieces extending symmetrically in the rearward and oblique directions from the center base, and the seal pieces are adjacent to each other. Seal pieces are connected by a hollow bridge piece, so that the seal pieces do not elastically contact in a biased state, the elastic contact state is equal left and right, the waterproof performance is improved and the appearance is improved, The durability of the gasket 10 is improved.

[0029] According to the joint gasket mounting method according to the fourth aspect of the present invention, the plurality of gasket heads are connected to one another.
A plurality of gasket heads having different colors, patterns and the like are connected by being connected to the receiving portions of the gasket legs and integrated, and the integrated joint gasket is inserted into the joint from the tip of the gasket leg and attached. Can be integrally connected to the gasket legs and can be inserted into the joint, and mounting can be performed very easily.

According to the joint gasket mounting method according to the fifth aspect of the present invention, each of the plurality of gasket heads has a covering portion corresponding to the color, pattern and shape of the member constituting the joint. Even when the color pattern and the like of the members constituting the joint change in the middle, the color pattern and the like of each member can be matched, and the aesthetic appearance of the building can be improved.

According to the jointed gasket according to the sixth aspect of the present invention, the joint gasket is divided into a plurality of parts, and the gasket leg is one piece connecting the plurality of gasket heads. Is composed of
The gasket legs can be waterproofed and the waterproof performance is improved, and the color and pattern can be matched to the members constituting the joint by the plurality of gasket heads. Also, only the gasket head can be easily replaced, and the joint gasket can be repaired at low cost without impairing waterproofness.

According to the jointed gasket according to the seventh aspect of the present invention, since the plurality of gasket heads have a surface mounting portion corresponding to the color, pattern and shape of the member constituting the joint. The gasket head can be connected according to the color pattern and shape of the members such as the outer wall panels and openings that constitute the joints, so the joints are inconspicuous, the texture is high, and the appearance is improved. Can be provided.

[0033] According to the jointed gasket according to the present invention, the gasket legs have seal pieces extending on both sides of the center base, and the gasket head and the gasket are provided. A projection is provided on one of the center bases of the legs, and a receiving portion to which the projection is connected is provided on the other.Therefore, a joint gasket for easily connecting the gasket head and the gasket legs is provided. It can be an attached building.

[Brief description of the drawings]

FIG. 1 is a sectional view of an embodiment of a joint gasket according to the present invention.

2A is a cross-sectional view of a gasket head of the joint gasket of FIG. 1, FIG. 2B is a cross-sectional view of a gasket leg of the joint gasket of FIG. 1, and FIG. Sectional view.

FIG. 3A is a front view of a main part showing a joint of a building,
(B) is a perspective view of the state before connection of the joint gasket.

FIG. 4A is a cross-sectional view of an outer wall panel portion of FIG. 3;
(B) is sectional drawing of the opening part of FIG.

FIG. 5 is a cross-sectional view showing a conventional gasket.

[Explanation of symbols]

 Reference Signs List 5 Building 6, 6A, 6B, 6C Joint 7 Exterior wall panel 8 Aluminum sash 10 Joint gasket 11 Gasket leg 12 Seal piece 13 Center base 14 Receiver 15 Bridge piece 20, 20A, 20B, 25, 25A Gasket head 21 , 26 Front part 22, 27 Projection part 23 Color layer

Continued on the front page (72) Inventor Masato Takabayashi 32 Wadai, Tsukuba, Ibaraki Prefecture Sekisui Chemical Co., Ltd. (72) Inventor Ken Shiomi 32 Wadai, Tsukuba City, Ibaraki Sekisui Chemical Co., Ltd. (72) Inventor Haneda Makoto Makoto 2-2-8, Mishino-cho, Nishi-ku, Hiroshima-shi, Hiroshima Nishikawa Rubber Industries Co., Ltd. (72) Inventor Ichiro Ichiro 2-1-1 Oshima, Koto-ku, Tokyo Tosterm Co., Ltd. F-term (reference) 2E001 DA01 FA04 FA52 FA53 GA64 HE01 MA02 MA04 2E110 AA14 AA26 AA42 AA52 AA57 AA70 AB04 AB22 DD02

Claims (8)

[Claims] 1. A joint gasket to be inserted and attached to a joint of a building, the joint gasket comprising a gasket leg and a gasket head connected to the gasket leg, wherein the gasket leg is provided. The part has a seal piece for waterproofing the joint,
A gasket for joints, wherein the gasket head has a covering part for closing the joint. 2. The gasket leg has the seal piece extending on both sides of a center base, and a protrusion is provided on one of the gasket head and the center base of the gasket leg, and the other is provided on the other. The joint gasket according to claim 1, further comprising a receiving portion to which the projection is connected. 3. The seal piece is composed of a plurality of seal pieces extending symmetrically from the center base in a rearward and oblique direction, and the adjacent seal pieces are connected by a hollow bridge piece. The joint gasket according to claim 1 or 2, wherein the joint gasket is provided. 4. A method of attaching a joint gasket, comprising inserting a joint gasket comprising a gasket head and a gasket leg into a joint of a building, wherein the joint comprises a plurality of gasket heads. A joint gasket for joints, which is connected to the receiving portion of the gasket leg portion and integrated, and the integrated joint gasket is inserted into the joint from the tip of the gasket leg portion and attached. 5. The method for mounting a joint gasket according to claim 4, wherein each of the plurality of gasket heads has a covering portion corresponding to a color pattern and a shape of a member constituting the joint. 6. A building in which a joint gasket is inserted into and attached to a joint, wherein the joint gasket is divided into a plurality of parts, and the gasket legs are formed from one connecting the plurality of gasket heads. A building equipped with a joint gasket, characterized by being constituted. 7. The jointed gasket according to claim 6, wherein the plurality of gasket heads have a covering portion corresponding to a color pattern and a shape of a member constituting the joint. 8. The gasket leg has a seal piece extending on both sides of a center base, and one of the gasket head and the center base of the gasket leg has a projection and the other has a projection. The building to which the joint gasket according to claim 6 or 7 is provided with a receiving part to which the protruding part is connected.