JP3267531B2 - Exterior wall material - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer wall material used for, for example, a curtain wall, and more particularly to a composite type outer wall material in which concrete is poured into the back surface of an outer surface material and solidified.

[0002]

2. Description of the Related Art A composite type outer wall material has been developed in which concrete is poured into the back surface of an outer surface material and solidified. In this outer wall material, there are restrictions on the size of the outer surface material, or in order to enhance the decorative effect, the outer surface material is divided into a plurality of parts, and linear or cross joints are provided between adjacent outer surface materials. The provision of a unit is being considered. In this case, the seal structure of the joint becomes a problem.

FIG. 8 shows a conventional manufacturing process of an outer wall material having joints on the outer surface. In the case of manufacturing an outer wall material having a joint portion on the outer surface, first, as shown in FIG. 8A, the outer surface material 3 is arranged adjacent to the joint portion 4 via the joint portion 4, and is provided on the back side of the joint portion 4. In order to form the concave portion 6 for sealing processing wider than the joint portion 4 along the longitudinal direction, an intervening member 18 made of a foam material or the like is attached by a double-sided adhesive tape or the like.

[0004] Next, concrete 9 is poured into the back surface of the outer surface material 3 including the inclusions 18 and solidified to form an outer wall material. The outer wall material is turned upside down or leaned so that the sealing work of the joint portion 4 is easily performed, and the inclusions 18 are removed from the inside of the concave portion 6 as shown in FIG. Next, as shown in FIG. 8C, the joints 4 are sealed by providing the cushioning material 10 and the sealing material 11 on both sides made of a foam material in the concave portion 6. As a result, an outer wall material having the joint portion 4 on the outer surface that has been subjected to the sealing process so that rainwater or the like does not enter is completed.

[0005]

However, in the above-mentioned outer wall material, the inclusion 18 is used to form the sealing recess 6 wider than the joint 4 on the back side of the joint 4. Therefore, it was necessary to remove the inclusions 18. In this case, it is difficult to cleanly remove the inclusions 18 because the concretes 9 bite into the inclusions 18 or because the inclusions 18 are fixed with a double-sided adhesive tape or the like. The work has to be performed through the narrow joint part 4, and there has been a problem that the removal work requires much labor.

Accordingly, an object of the present invention is to form a recess for sealing processing wider than the joint behind the joint without using any inclusion, so that the joint is not required to be removed. It is an object of the present invention to provide an easily manufactured outer wall material capable of easily performing the sealing process. Another object of the present invention is to provide an outer wall material having a joint portion which has been subjected to a seal treatment on an outer surface.

[0007]

According to a first aspect of the present invention, there is provided an outer wall material having an outer surface material disposed adjacently through a joint, and a rear surface of the outer surface material adjacent to the outer surface material. A cover material is formed along the longitudinal direction of the joint to form a recess for sealing that is wider than the joint. The contact portion between the cover and the outer material is sealed, and the back surface of the outer material including the cover material is provided. It is characterized by being poured into concrete and hardened. According to this outer wall material, a wider concave portion for the sealing process can be formed on the back side of the joint without using any inclusion, so that the operation of removing the inclusion is unnecessary, and the sealing process of the joint is not required. Can be easily performed, and the productivity can be improved.

According to a second aspect of the present invention, in the outer wall material, the outer surface material is disposed adjacent to the joint portion through a joint portion, and a sealing process is provided on the back surface of the adjacent outer surface material along the longitudinal direction of the joint portion and wider than the joint portion. A cover material for forming a concave portion is provided, a contact portion between the cover material and the external material is sealed, concrete is poured on the back surface of the external material including the cover material, and the concrete is poured into the concave portion surrounded by the cover material. It is characterized by providing a cushioning material and a sealing material on both sides. According to this outer wall material, an outer wall material having a joint portion sealed on the outer surface can be easily obtained.

[0009]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a perspective view showing an example in which an outer wall material according to an embodiment of the present invention is used for a curtain wall, FIG. 2 is an enlarged sectional view taken along line AA of FIG. 1, and FIG. FIG. 4 is a cross-sectional view showing a joint sealing process, and FIG. 5 is a view showing a cover material at the joint intersection.
(A) is a sectional plan view, and (b) is a perspective view.

In FIG. 1, reference numeral 1 denotes a curtain wall constituting an outer wall of a middle-high-rise building. This curtain wall 1 is constituted by an outer wall material 2. The outer wall material 2
In order to limit the size of the outer surface material 3 or to provide a decorative effect, the outer surface material 3 is divided into a plurality (four in the example of a rice field), and the joint portions 4 are formed between the adjacent outer surface materials 3. Provided.
As the outer surface material 3, a stone plate, a ceramic plate, a metal plate, or the like formed in a panel shape can be applied.

As shown in FIG. 2, the outer wall material 2 is mainly composed of an outer surface material 3 and a base material 5 made of PC concrete which is made by pouring concrete on the back surface of the outer surface material 3 and solidified. I have. The outer surface material 3 is appropriately fixed to the base material 5 by an anchor means (not shown). In this case, the anchoring means preferably has a structure capable of absorbing a difference in thermal expansion between the outer surface material 3 and the base material 5.

As shown in FIG. 3, the outer wall member 2 has an outer surface member 3 disposed adjacent to a joint portion 4 via a joint portion 4.
On the back side of the seal processing recess (also referred to as seal processing space) 6 wider than the joint portion 4 along the longitudinal direction thereof.
And a contact portion between the cover material 7 and the outer surface material 3 is sealed with a seal material 8.
Is formed by pouring concrete 9 for the base material 5 on the back surface of the outer surface material 3 including In this case, it is preferable to use a mold for forming the outer wall material 2. The cover member 7 is preferably formed to have a substantially U-shaped cross section or a substantially U-shaped cross section. As a material of the cover member 7, a metal material such as aluminum is preferable, but a synthetic resin material or the like may be used. The reason for sealing the contact portion between the cover member 7 and the outer surface member 3 with the seal member 8 is to prevent the cover member 7 from moving on its own and prevent the concrete liquid from flowing to the joint portion 4 side.

When the outer wall material 2 is manufactured, first, the outer surface materials 3 are arranged horizontally in a form (not shown) with the back surface thereof facing upward, and joints are provided between the adjacent outer surface materials 3 at that time. A predetermined gap as the part 4 is provided. An anchor means is appropriately attached to the back surface of the outer surface material 3 in advance.

Next, as shown in FIG. 3, the cover member 7 having a U-shaped cross section is straddled between the back surfaces of the adjacent outer surface members 3 with its open portion (recess 6) being downward. The joint 4 is placed along the longitudinal direction. Cover material 7 and outer surface material 3
In order to prevent the concrete 9 from leaking out from between, the sealing member 8 is sealed so as to cover the contact portion between the cover member 7 and the outer surface member 3 from outside. As the sealing material 8,
For example, butyl sealer and the like are preferable. In addition, as the sealing material 8, for example, an adhesive tape or the like can be applied.

Next, after arranging a reinforcing bar on the anchoring means, concrete 9 is poured on the back surface of the outer member 3 including the cover member 7 and solidified. After the concrete 9 is cured and solidified, the mold is removed to obtain the outer wall material 2 in which the outer surface material 3 is stretched on the outer surface of the base material 5 made of PC concrete. Next, the outer wall material 2 is turned upside down or leaned up so that the sealing work of the joint portion 4 is easily performed, and as shown in FIG. Cushioning material 10 and sealing material 11 on both sides
Is provided, seal processing is performed on the joint portion 4. The cushioning material 10 is preferably, for example, foamed polyethylene. Further, as the sealing material 11, a material having adhesiveness and elasticity, for example, a polysulfide seal,
Modified silicone seals and the like are preferred.

In the sealing step of the joint 4, first, the cushioning material 10 is inserted into both sides of the recess 6, and then,
The sealing material 11 may be injected and filled between the two cushioning materials 10 by, for example, a sealing material injection gun. In this case, the cushioning material 1
The reason why 0 is used is that if the side surface of the sealing material 11 is in contact with the base material 5, the deformation of the sealing material 11 due to the difference in thermal expansion between the base material 5 and the outer surface material 3 cannot be absorbed. This is to prevent peeling or breakage of the film. It is preferable that the sealing material 11 is as small as possible so as to correspond to the thermal expansion of the outer surface material 3.

When injecting the sealing material 11, the inner surface of the concave portion 6 where the sealing material 11 contacts and the back surface of the outer surface material 3 are subjected to cleaning, undercoating (primer) or the like to improve adhesion. Is preferred. In addition, sealing material 1
When 1 is injected, it is preferable to first inject into both sides in the concave portion 6 and then inject into the center in the concave portion 6 in order to surely finish the seal of the joint portion 4. Of course, after the sealing material 11 is injected into the concave portion 6 at a time, the center joint portion 4 may be finished with a joint iron or the like. In order to provide a decorative effect, it is preferable that the sealing material 11 of the joint portion 4 be recessed from the surface of the external material 3 and finished. However, the sealing material 11 is filled up to substantially the same surface as the surface of the external material 3. You may finish.

According to the outer wall material 2 having the above-described structure, the outer surface material 3 is disposed adjacent to the joint material 4 via the joint portion 4, and the outer surface material 3 is provided on the back surface of the adjacent outer surface material 3 along the longitudinal direction of the joint portion 4. A cover material 7 forming a concave portion 6 for seal processing wider than 4 is disposed, and a contact portion between the cover material 7 and the outer surface material 3 is sealed with a seal material 8, and the outer surface material 3 including the cover material 7 is provided. Since the concrete 9 is poured into the back surface of the joint 4 and solidified, the concave portion 6 which is a wider space for sealing is wider on the back side of the joint portion 4 without using any intervening material as in the conventional outer wall material. Can be formed. Therefore, it is not necessary to remove the inclusions, the sealing process of the joint portion 4 can be easily performed, and the productivity can be improved. Further, the cover material 7
The cushioning material 10 and the sealing material 11 on both sides in the recess 6 surrounded by
Is provided, the outer wall material 2 having the joint portion 4 sealed on the outer surface can be easily obtained.

FIG. 5 is a view showing a cover material at the joint intersection.
(A) is a sectional plan view, and (b) is a perspective view. As shown in FIG. 5, at the joint intersection 4x where the vertical and horizontal joints 4a and 4b intersect, the cover 7a for the vertical joint and the cover 7b for the horizontal joint intersect on the same plane. In order to divide one of the cover members 7b,
Abut both sides of the cover material 7a,
A notch 12 is formed to allow the recesses 6 of 7b to communicate with each other. It is preferable to provide a sealing material 13 such as a butyl sealer so as to cover the contact portion from the outside.

As a cover material for the joint intersection 4x, a cover material 14 as shown in FIG. 6 may be used in addition to the cover material shown in FIG. The cover member 14 is formed in a cross shape in advance so as to correspond to the joint intersection 4x. At both ends of each pair of the joint materials 14 for the joints, a cover material 7a for a vertical joint and a cover material 7b for a horizontal joint may be divided and joined. In addition, it is preferable to provide a sealing material similar to the above-mentioned sealing material 13 also at this joint.

FIG. 7 is a sectional view showing a sealing structure at a corner portion of the outer wall material for a corner. Corner exterior wall material 2L
Are formed in advance so as to correspond to the corners (projected corners) of the outer wall, as shown in FIG. In this corner outer wall material 2L, an outer surface material 3a for the front and an outer surface material 3b for the side surface are arranged in an L-shaped cross section, and both outer surface materials 3a, 4b
A gap is provided between the joints 4L.

A cover member 7L having an L-shaped cross section for forming a recess 6L for sealing is disposed along the longitudinal direction on the back side of the joint 4L.
A sealing material 8L such as a butyl sealer is provided so as to cover from the outside at the contact portions between the outer surfaces 3a and 4b and the back surfaces of the outer materials 3a and 4b. When concrete 9 is poured into the back side of the outer surface materials 3a and 4b and solidified to form the outer wall material 2L for corners, the cushioning material 10L is disposed in the recess 6L surrounded by the cover material 7L and the sealing material 11L is attached. The joint portion 4L may be sealed by injecting and filling.

At the peripheral edge of the outer wall material 2 (also the peripheral edge of the corner outer wall material 2L), for example, as shown in FIG. Is formed, and the cushioning material 16 is arranged in the groove 15 and the sealing material 17 is injected and filled.
It is preferable to seal. When the outer wall material (including a corner outer wall material) is disposed adjacent to and attached to a building frame as a curtain wall, joints formed between adjacent outer wall materials may be sealed in the same manner as before. (Not shown).

The embodiments of the present invention have been described in detail with reference to the drawings. However, the present invention is not limited to the above embodiments, and various design changes and the like can be made without departing from the gist of the present invention. Is possible. For example, the outer wall material of the present invention is:
It can be used not only as a curtain wall but also as an exterior material for general houses and the like. In addition, as the divided shape of the outer surface material constituting the outer wall material, various divided shapes other than the rice shape can be adopted. Further, the outer surface material may be set in advance with a cover material. That is, by attaching and fixing the cover material to the divided outer surface materials and assembling them in advance as an outer surface material assembly, the process can be easily shifted to the next concrete placing step, and productivity can be improved. As the means for attaching and fixing the cover material, for example, an adhesive, an adhesive tape, welding, stud bolt and nut fastening, and the like can be applied.

[0025]

In summary, according to the present invention, the following effects can be obtained.

(1) According to the outer wall material according to the first aspect, the outer surface material is disposed adjacent to the joint portion via the joint portion, and the outer surface material is arranged on the back surface of the adjacent outer surface material along the longitudinal direction of the joint portion. A cover material for forming a concave portion for a wide sealing process is provided, a contact portion between the cover material and the outer surface material is sealed, and concrete is poured on the back surface of the outer surface material including the cover material to solidify. It is possible to form a wider recess for seal processing on the back side of the joint without using an object, and it is not necessary to remove the inclusions, and the seal processing of the joint can be easily performed. Performance can be improved.

(2) According to the outer wall material according to the second aspect, the outer surface material is disposed adjacent to the joint portion via the joint portion, and the outer surface material is arranged on the back surface of the adjacent outer surface material along the longitudinal direction of the joint portion. A cover material for forming a wide sealing recess is provided, a contact portion between the cover material and the external material is sealed, concrete is poured on the back surface of the external material including the cover material, and the concrete is hardened. Since the cushioning material and sealing material on both sides are provided in the enclosed recess, a wider sealing recess is formed on the back side of the joint without using any inclusions to seal the joint. Can be performed, and an outer wall material having a joint portion sealed on the outer surface can be easily obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example in which an outer wall material according to an embodiment of the present invention is used for a curtain wall.

FIG. 2 is an enlarged sectional view taken along line AA of FIG.

FIG. 3 is a cross-sectional view illustrating a step of attaching a cover member.

FIG. 4 is a cross-sectional view showing a sealing step of a joint portion.

FIGS. 5A and 5B are views showing a cover material at a joint intersection, where FIG. 5A is a cross-sectional plan view and FIG. 5B is a perspective view.

FIG. 6 is a plan view showing another example of the cover material at the joint intersection.

FIG. 7 is a cross-sectional view showing a seal structure of a corner portion of a corner outer wall material.

FIG. 8 is a cross-sectional view showing a manufacturing process of a conventional outer wall material.

[Explanation of symbols]

 Reference Signs List 2 outer wall material 3 outer surface material 5 joint 6 concave part for sealing treatment 7 cover material 9 concrete 10 cushioning material 11 sealing material

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroshi Masukawa Kashima Construction Co., Ltd. 1-2-7 Moto-Akasaka, Minato-ku, Tokyo (72) Inventor Tsutomu Abe 2-1-1 Oshima, Koto-ku, Tokyo Toss Within Tem Corporation (72) Inventor Tatsuo Nishigaki 2-1-1 Oshima, Koto-ku, Tokyo Toss Tem Corporation (56) References JP-A-2-58658 (JP, A) JP-A-7-224499 ( JP, A) Japanese Utility Model Showa 61-94108 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04C 2/00-2/54

Claims (2)

(57) [Claims] 1. A cover in which an outer surface material is disposed adjacent to a joint portion via a joint portion, and a concave portion for seal processing wider than the joint portion is formed on the back surface of the adjacent outer surface material along the longitudinal direction of the joint portion. An outer wall material provided with a material, sealing a contact portion between the cover material and the outer material, and pouring concrete on a back surface of the outer material including the cover material to solidify. 2. A cover in which an outer surface material is arranged adjacently via a joint portion, and a concave portion for sealing processing wider than the joint portion is formed on the back surface of the adjacent outer surface material along the longitudinal direction of the joint portion. A material is provided, a contact portion between the cover material and the outer surface material is sealed, concrete is poured into the back surface of the outer material including the cover material and solidified, and a cushioning material on both sides is sealed in a recess surrounded by the cover material. An outer wall material characterized by being provided with a material.