JP2002138662A - Form - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a form by which an uneven pattern can be formed easily on the outer surface of a concrete skeleton. SOLUTION: The form 11 is used for laying the concrete skeleton. For the purpose of forming the uneven pattern 2 on the outer surface of the concrete skeleton, an uneven pattern forming section 12 is formed on the surface of a flexible synthetic resin sheet.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a formwork capable of forming a concavo-convex pattern on an outer surface of a concrete frame such as an outer wall.

[0002]

2. Description of the Related Art Conventionally, in concrete buildings such as buildings and condominiums, there is a structure in which vertical and horizontal stripes are arbitrarily formed on an outer wall surface such as a veranda outer surface to give a desired pattern.

When such a pattern is applied to, for example, the outer surface of a veranda of a condominium, as shown in FIG. 6, a plate material serving as an outer frame 110 of a concrete formwork 100 for molding a veranda is provided with a commercially available cylindrical member having a desired shape. The resin-made groove forming member 200 is attached to the outer frame 110, and the outer frame 110 is disposed apart from the inner frame 120 by the thickness of the outer wall, and concrete is filled between the outer frame 110 and the inner frame 120. Was. In the figure, reference numeral 300 denotes a reinforcing bar.

If the mold 100 is removed after the concrete is solidified, a groove is formed by the groove forming member 200 on the outer surface of the concrete body having a predetermined thickness.

[0005]

However, the pattern applied to the outer surface of the concrete skeleton is freely created by the designer, and when constructing the outer frame 110 in accordance with the pattern, as described above, When the member 200 was used, the operation was extremely difficult.

That is, it is necessary to purchase a necessary number of groove forming members 200, and attach the above-described groove forming members 200 to the outer frame 110 one by one at a construction site in accordance with a designed free pattern. This is troublesome and increases man-hours, which, together with material costs, is a factor that increases costs.

An object of the present invention is to provide a formwork that can solve the above-mentioned problems.

[0008]

In order to solve the above-mentioned problems, according to the present invention, there is provided a formwork for casting a concrete skeleton, wherein the formwork is provided on an outer surface of the concrete skeleton. In order to form the concavo-convex pattern, a concavo-convex pattern forming portion was integrally formed on a flexible synthetic resin sheet surface.

In the present invention, the raw material of the mold is made of polyethylene terephthalate.

Further, according to the present invention, the polyethylene terephthalate is obtained by recycling a PET bottle.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a formwork used for casting a concrete frame, which is formed of a flexible synthetic resin in order to form an uneven pattern on the outer surface of the concrete frame. The uneven pattern forming portion is integrally formed on the sheet surface.

According to the present invention, when a desired pattern is formed by arbitrarily forming vertical and horizontal streaks on an outer wall surface such as a veranda outer surface, a desired surface is formed on a flexible synthetic resin sheet surface. If the uneven pattern forming portion corresponding to the pattern to be formed is integrally formed and used as the outer frame of the concrete formwork, it is possible to easily construct a concrete outer wall having a desired design pattern.

Moreover, polyethylene terephthalate can be suitably used as a synthetic resin as a raw material used for the mold.

Such polyethylene terephthalate (PE)
T) is easy to mold, and is actually produced in large quantities as so-called PET bottles and as containers for various drinking waters. On the other hand, there is a current situation in which the processing of these PET bottles that are widely available in the city is a social problem.

Therefore, if polyethylene terephthalate obtained by recycling the above-mentioned PET bottle is used as a raw material of the mold of the present invention, the cost of the mold can be reduced, and also from the viewpoint of recycling the PET bottle. It can greatly contribute to the social environment.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings.

FIG. 1 is an explanatory view showing a wall forming mold A which is an embodiment of a mold according to the present invention.
Is an inner frame 10 made of a commonly used wooden plate form material.
And an outer frame 11 as a mold according to the present invention.

The present invention is characterized by the structure of the outer frame 11. In this embodiment, the outer frame 11 is formed of a flexible rectangular sheet-like plate, and the material thereof is as follows. Polyethylene terephthalate (PET), a kind of synthetic resin, is used.

On the surface of the formwork 11, a plurality of ridges 12 for forming a concavo-convex pattern mainly composed of grooves on the surface of the concrete wall are integrally formed as a concavo-convex pattern forming portion. In the present embodiment, the protruding ridges 12 are formed in a plurality of straight lines at regular intervals in the longitudinal direction of the mold frame 11, but the shape is arbitrary.

Since the outer frame 11 is made of synthetic resin, it is thin and lightweight, easy to store and transport, and easy to handle at the construction site.

When the outer frame 11 is used to form a pattern composed of concave vertical stripes 2 on an outer wall surface such as a veranda outer surface, for example, as shown in FIG. If the frame 11 is arranged and concrete is filled between the frames 10 and 11 and solidified, as shown in FIG. 2, the veranda outer wall 3 having the concave vertical stripes 2 as an uneven pattern is easily constructed. be able to.

The outer frame 11 can be used upside down.

That is, as shown in FIG. 3, when the outer frame 11 is disposed with the protruding ridges 12 facing outward, the rear side of the protruding portions 12 is a concave portion. In this case, a convex vertical stripe 2 ′ is formed.

As described above, if the outer frame 11 according to the present embodiment is used, it is possible to easily form two types of outer walls with a concavo-convex pattern by using one outer frame 11 for the front and back sides.

Further, since the main frame 11 has flexibility, the main frame 11 can be bent and disposed. Therefore, it is easy to form not only a flat outer wall but also an outer wall having a curved surface, and it can be suitably used not only for the outer wall but also for the construction of columns.

For example, as shown in FIG. 4, an outer frame 11 having a wavy surface is prepared, and the outer frame 11 is disposed in a ring shape, and concrete 1 is poured into an inner space, solidified, and then released. Then, as shown in FIG. 5, the outer peripheral surface can form the cylinder 4 with a waveform.

In this embodiment, polyethylene terephthalate is used as a synthetic resin as a material. Such polyethylene terephthalate is easy to mold and is mass-produced as so-called PET bottles and containers for various drinking waters.

Therefore, as the raw material of the outer frame 11, polyethylene terephthalate obtained by recycling the above PET bottle is used.

Therefore, the manufacturing cost of the outer frame 11 can be reduced, and the contribution to the social environment can be made greatly from the viewpoint of recycling PET bottles.

[0030]

The present invention is implemented in the above-described embodiment, and has the following effects.

(1) According to the first aspect of the present invention, there is provided a formwork to be used for placing a concrete body, and has flexibility in forming an uneven pattern on an outer surface of the concrete body. By integrally forming the uneven pattern on the surface of the synthetic resin sheet, it is possible to easily form the uneven pattern on the outer surface of the concrete skeleton, and since the formwork is thin and lightweight, it can be easily stored and transported. Yes, and it is extremely easy to handle at the construction site.

(2) In the present invention, since the raw material of the mold is made of polyethylene terephthalate, molding is easy.

(3) According to the third aspect of the present invention, the polyethylene terephthalate is obtained by recycling PET bottles, so that the production cost can be reduced and the PET bottles can be recycled. It can greatly contribute to the social environment.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing an outer frame according to the present embodiment.

FIG. 2 is an explanatory diagram showing an example of a use state of the outer frame.

FIG. 3 is an explanatory diagram showing another example of a use state of the outer frame.

FIG. 4 is an explanatory diagram showing another example of a use state of the outer frame.

FIG. 5 is an explanatory view showing a pillar formed by the outer frame.

FIG. 6 is an explanatory view of a conventional concrete formwork.

[Explanation of symbols]

 2 Vertical streaks (irregular pattern) 10 Inner frame (mold) 11 Outer frame (mold) 12 Ridge (irregular pattern forming part)

Claims (3)

[Claims] 1. A formwork used for casting a concrete frame, wherein a concave / convex pattern is formed on a flexible synthetic resin sheet surface to form a concave / convex pattern on an outer surface of the concrete frame. Formwork characterized in that the part is integrally molded. 2. The mold according to claim 1, wherein the material of the mold is made of polyethylene terephthalate. 3. The mold according to claim 2, wherein the polyethylene terephthalate is obtained by recycling a PET bottle.