JP2516990Y2 - Makeup formwork - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative formwork for forming a pattern of a predetermined shape on the surface of a concrete product manufactured in a factory such as a concrete block or a concrete panel.

[0002]

2. Description of the Related Art FIG. 5 is a perspective view in which a part of a conventional form for molding a concrete block is cut away, and FIG.
(B) is explanatory drawing which manufactures a concrete block with the decorative form shown in FIG. 5, and FIG. 7 is explanatory drawing which shows the pattern formed in the concrete block. In addition, FIG.
5B corresponds to the cross-sectional view taken along the line AA of FIG.

In these drawings, reference numeral 1 denotes a decorative form, which is composed only of a bottom portion 1b having a pattern 1bd for forming a predetermined pattern on the front surface which is the surface of the concrete block B. The decorative mold frame 1, for example, polystyrene (polystyrene foam), and a urethane or polyolefin resin.

Reference numeral 11 denotes a formwork, which includes a bottom part 11b on which the decorative formwork 1 is placed and side parts 11 surrounding the bottom part 11b.
s ₁ , 11s ₂ , 11s ₃ and 11s ₄ and includes a bottom portion 11b, side portions 11s ₁ , 11s ₂ , 11s ₃ ,
11s ₄ are fixed to each other with a fixing screw 12. T indicates a vibration table of the vibration device. C is concrete, B
d shows a pattern formed on the surface of the concrete block B, and this pattern Bd is a pattern 1bd provided on the bottom portion 1b of the decorative formwork 1 transferred.

Next, the production of the concrete block B will be described. First, as shown in FIG. 5, the decorative formwork 1 having the pattern 1bd on the upper side is inserted into the formwork 11 to form the bottom portion 11b.
Place on. Then, as shown in FIG. 6A, after placing and fixing the form 11 on the vibrating table T of the vibrating device, while applying vibration having an appropriate amplitude to the form 11 on the vibrating table T, for example, a slump is applied. Concrete C with a value of 8 cm
As shown in FIG. 6 (b), when a prescribed amount is poured,
Since vibration is also applied to concrete C, concrete C
With uniform density, the concrete C can be degassed and defoamed.

Next, when the deaeration and defoaming of the concrete C is completed, the vibration of the vibration table T is stopped and the form 11
Is transferred from the vibrating table T to a curing area to cure the concrete block B. And concrete block B
When the curing of No. 1 is completed, the mold 11 is moved to a demolding place and the makeup mold 1 and the mold 11 are removed to perform demolding, and as shown in FIG. 7, a concrete block having a pattern Bd formed on the front surface. B can be obtained.

[0007]

As described above, the purpose of constructing the decorative formwork 1 from polystyrene is to dispose of the decorative formwork 1 only once. Therefore, the number of concrete blocks B to be manufactured. Since only the decorative formwork 1 is required, if the number of concrete blocks B to be manufactured increases, the cost of the formwork increases.

Further, the makeup frame 1 is made of urethane or a polyolefin resin for the purpose of reusing the makeup frame 1. However, if the makeup frame 1 is used 5 to 50 times, the makeup frame 1 will be damaged. The decorative formwork 1 cannot be used. Therefore, when the decorative formwork 1 is made of urethane or polyolefin resin, the formwork cost is also increased. Furthermore, if the makeup frame 1 is made of polystyrene,
A release agent may be required to remove the concrete block B from the decorative formwork 1, and when the decorative formwork 1 is made of urethane or a polyolefin resin, the concrete block B is released from the decorative formwork 1. Therefore, a release agent is required.

The present invention has been made in order to solve the above-mentioned inconvenience, and provides an economical decorative formwork which is inexpensive, rich in workability, and economical.

[0010]

A decorative form according to the present invention is formed by curing a solution of a vegetable polymer hydrogelling agent having a concentration of 1% to 5%, and has a bottom portion contacting a concrete product. A pattern with a predetermined shape is formed and
The surface of the bottom that contacts the concrete product is a curved surface
A part of the bottom or side that comes into contact with a concrete product
A pattern of a predetermined shape is formed on.

[0011]

[Function] When the decorative formwork in this invention is heated,
It returns to the fluid solution of the hydrolyzable vegetable polymer hydrogelator. Therefore, after recovering the makeup form removed from the concrete product and returning it to the liquid solution of the vegetable polymer hydrogelating agent having fluidity, for example, a mold with a pattern is used and By cooling the molecular hydrogelating agent solution and curing it again, the vegetable polymer hydrogelating agent solution becomes a makeup frame to which the pattern of the mold is transferred.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to the drawings. Figure 1 is a perspective view of a partially cutaway of the decorative mold you explain the principles of this invention, FIG 2 is a sectional view according to line B-B of FIG. 1, FIG. 3 is a gel strength of the decorative mold in this invention It is a figure shown, and the same code | symbol is attached | subjected to FIG. 5 and FIG. 6 or an equivalent part, and description is abbreviate | omitted.

In these drawings, reference numeral 21 denotes a decorative form, and a bottom portion 21b having a pattern 21bd for forming a pattern of a predetermined shape on the front surface which is the surface of the concrete block.
It consists of only.

[0014] Next, the reduction粧型frame 21 will be described. First, agar is used as the plant-based polymer hydrogelating agent and the concentration is 1% to 5% to prepare agar solution samples A and B at 70 ° C to 100 ° C. Then, while using a mold for forming a pattern on the bottom portion 21b, the agar solution samples A and B are cooled so that the minimum thickness, that is, the thickness of the portion where the pattern 21bd is not formed is, for example, about 10 mm to 20 mm. By curing, the agar solution samples A and B become the decorative mold 21 to which the pattern of the mold is transferred.

The decorative mold 21 produced in this way is
As can be seen from FIG. 3, 390 g / cm ^{2 to} 2600
Since it has a gel strength of g / cm ² , it can be used as a mold for manufacturing concrete blocks and the like.
In addition, the measuring method of the numerical values shown in FIG. 3 is as follows: Samples A and B of the agar solution after boiling under normal pressure are placed in a specified cup, naturally cooled and allowed to stand at 20 ° C. for 20 hours, and then FUDOHRHEO
It was measured by METER.

A concrete block can be manufactured in a conventional manner by using the decorative mold 21 and the mold 11 shown in FIGS. 1 and 2. Then, when the curing of the concrete block is completed, the formwork 11 is moved to the demolding site and the formwork 1 is moved.
It is possible to easily remove the mold by removing the decorative mold 11 with air or by hand after removing 1. When the makeup form 21 is heated after the collection of the makeup form 21 removed in this way, the makeup form 21 returns to the fluid agar solution, so that a mold with a pattern is used. At the same time, by cooling the agar solution and curing it again, the agar solution becomes the decorative mold frame 21 to which the pattern of the mold is transferred.

[0017] As described above, this according to the devised, heating the decorative mold 21 removed from the concrete block back to the agar solution having fluidity, agar solution cooled to re decorative formwork 21 Therefore, the makeup frame 21 becomes inexpensive and economical. Since the agar solution is cured to form the decorative form 21, the workability is excellent and the pattern 21bd can be easily worked. Further, since the makeup mold 21 can be easily removed from the mold, a release agent is not required to remove the makeup mold 21, which is economical.

FIG. 4 is a sectional view of a decorative form for molding a concrete block according to an embodiment of the present invention.
Further, the same or corresponding parts as those in FIG. Note that FIG. 4 is a diagram corresponding to FIG. 2.
In FIG. 4, reference numeral 21A denotes a decorative form, which has a bottom portion 21b having a pattern 21bd having a predetermined shape formed on the surface contacting the concrete block, and a pattern 21sd having a predetermined shape formed on the surface contacting the concrete block. It is composed of the side part 21s ₄ . The side portion 21s ₄ is a portion corresponding to the side portion 11s ₄ of the mold 11.

The decorative mold 21A of an embodiment of FIG. 4, the bottom 21b and which is configured at the side 21s _4, patterns on the front and one side of the concrete block 21bd,
21sd can be transferred. Then, the same effects as those of FIGS. 1 and 2 can be obtained.

Although the above-mentioned examples have been described by using agar as the vegetable polymer hydrogelating agent,
A vegetable polymer hydrogelator that is another seaweed extract,
Alternatively, the same effect can be obtained by using a vegetable polymer hydrogelator which is a plant fruit extract, such as pectin.

Further, reduction粧型frame 21A and is shown an example in which the bottom 21bd and sides 21s _4, bottom and three sides of the decorative mold made of two side, a bottom and three sides It goes without saying that it may be a four-sided makeup form made of, a makeup form having only a curved bottom portion 21bd , or the like. This
Bottom part 2 that makes the decorative form contact the concrete product like
1bd, part of the side is a concrete block
It is possible to form a pattern of a predetermined shape on any exposed side
You can do it, and if the bottom is curved,
Predetermined shape with desired or uniform depth on the front curved surface
It is possible to form a pattern.

Further, although it has been described as the decorative formwork used for the concrete product manufactured in the factory, it can also be used as the decorative formwork used on site depending on the conditions.

[0023]

As described above, according to the invention], decorative mold constituted by curing by that vegetable polymer hydrogel agent solution in this invention, when heated, vegetable polymer hydrogel having fluidity Since it returns to the gelling agent solution, it can be cured again to form a decorative mold, which is inexpensive and economical.
Since the solution of the vegetable polymer hydrogelator solution is cured to form a decorative form, it has excellent processability and facilitates pattern work. Further, since the decorative formwork can be easily removed from the concrete product, a release agent is not required to remove the decorative formwork, which is economical.

Furthermore, a bottom portion that abuts the concrete product
The surface of the concrete surface is curved, so it is the front of the concrete product.
A predetermined shape pattern with a desired or uniform depth on a curved surface
Can be formed. Also, contact with concrete products
Since a pattern with a predetermined shape was formed on part of the side to be
Make sure that the exposed side surface of the concrete block
A pattern can be formed.

[Brief description of drawings]

1 is a broken perspective view of a portion of the decorative mold you explain the principles of this invention.

FIG. 2 is a sectional view taken along line BB of FIG.

FIG. 3 is a graph showing the gel strength of the decorative form in this invention.

FIG. 4 is a cross-sectional view of a decorative mold for molding a concrete block according to an embodiment of the present invention.

FIG. 5 is a perspective view in which a part of a decorative form forming a concrete block made of conventional polystyrene is cut away.

FIG. 6 is an explanatory diagram for manufacturing a concrete block with the decorative formwork shown in FIG.

FIG. 7 is an explanatory diagram showing a pattern formed on a concrete block.

[Explanation of symbols]

11 Formwork 12 Fixing Screws 21,21A Decorative Formwork 21b Bottom 21bd Pattern 21s ₄ Side 21sd Pattern

Claims (2)

(57) [Scope of utility model registration request] 1. A plant polymer hide having a concentration of 1% to 5%.
It is composed by hardening the solution of the logger agent
When a pattern with a predetermined shape is formed on the bottom that contacts the product
The surface of the bottom that comes into contact with the concrete product is
A cosmetic formwork characterized by having a curved surface. 2. A plant-type polymer hydrogelating agent solution having a concentration of 1% to 5% is cured to form a pattern of a predetermined shape on the bottom and a part of the side contacting the concrete product. Make-up form that is characterized by.