JP2581317B2 - Method of manufacturing concrete block - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a concrete block, and more particularly to a method of manufacturing a concrete block whose surface is decorated by exposing seed stone.

[0002]

2. Description of the Related Art An exposed finish of a seed stone is known as a surface decoration for adjusting the appearance of a concrete block. A seed stone is arranged on an inner surface of a bottom plate of a formwork, and clay or sand is interposed between joints of the seed stone. A method of filling a filling material made of a mixture or molten agar, paraffin, rosin, etc., then casting concrete, demolding after curing, washing away the filling material, and exposing a seed stone is used. .

[0003]

In the above-mentioned conventional manufacturing method, a seed stone is laid on a bottom plate of a formwork, and a filling material is filled between joints of the seed stone. The seed stone could be embedded only in one surface corresponding to the bottom plate. However, in construction using this type of block, not only one side appears on the surface,
Sides may also be outside, in which case seeds must be embedded on multiple sides by hitting concrete twice or three times with the side where the seed stones are to be placed down, respectively. Is complicated.

[0004] A concrete having a decorative layer on a plurality of surfaces is also provided.
Japanese Patent Application Laid-Open No. 49-9 / 49
No. 0716 discloses that a form member in a developed state is horizontally
And a decorative layer of mortar is provided on the surface of the form material in advance.
Then, assemble the form member upright,
Disclosed is a method of forming a concrete product for casting a sheet.
ing.

Further, Japanese Patent Application Laid-Open No. 58-114904 is disclosed.
In the form, the formwork auxiliary
A plate is attached, and a recess is formed between the concave portions provided in the auxiliary plate.
So that the recess is double-sided with adhesive tape.
After fixing the il, concrete is poured and nourished.
Molding of decorative concrete material that is raw, demolded and molded
A law is disclosed.

[0006] Therefore, by combining these techniques,
Concrete block whose surface is finished with exposed finish
Can be manufactured, but individual seeds are irregular
Because of its unique shape, it is disclosed in Japanese Patent Application Laid-Open No. 58-114904.
Applies formwork aids as described and falls under the media
Joints cannot be raised
To do this, you need to use molten agar, paraffin, rosin, etc.
It is necessary to use a filling material that is
The material is described in JP-A-49-90716.
When used for an unfolded formwork member, the sealing material will flow
There is a problem that it is easy. Especially from the boundaries of each formwork member
Since the filler material easily flows out, the filler material flows
However, it is desirable not to reach the boundary of each mold member.

The present invention has been made in view of the above problems.
It is an object of the present invention to provide a method for manufacturing a concrete block which is excellent in molding workability and can expose seed stones on a plurality of surfaces.

[0008]

Method of manufacturing SUMMARY OF THE INVENTION The present invention includes a bottom
A bottom plate comprising a plate and a side plate that can be deployed with respect to the bottom plate;
Place the side plate of the formwork having a slope on the inner surface of the boundary of the side plate.
Unfold horizontally to make the inner surface of the side plate sticky on both sides.
Laying the adhesive sheet member having
Seed stones are lined up and stuck on the inside of the bottom plate
Seed stones are lined up and can be melted between joints of these seed stones at room temperature
Filled with the filling material that solidifies, and this filling material has solidified
Then, the side plates are raised to assemble the formwork, and then
Cast a cleat, remove it after curing, and seal between the joints.
To remove the material .

[0009]

According to the above construction, the side plates of the formwork are developed, the seed stones are adhered to the inner surfaces of the side plates via an adhesive sheet member, and the seed stones are also arranged on the inner surface of the bottom plate. After filling the filling material that can be melted and solidified at about room temperature ,
The concrete is cast in a formwork, and after curing the concrete, the side plate is unfolded and the seed stone is separated from the side plate for demolding. After the demolding, when the plugging material between the joints is removed, a part of the seed stone is exposed on one side of the concrete block and the side of this one side . In the work described above, the formwork
Since there is a slope on the inner surface at the boundary between the bottom plate and the side plate,
Material does not reach the boundary between the bottom plate and the side plate,
Never flow out.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to the accompanying drawings. 1 to 6 show a first embodiment of the present invention, in which 1 is a mold used in the method of molding a concrete block A of the present invention, and this mold 1 has a bottom plate 2 and four sheets. A side plate 3 is formed in a substantially box-like shape with a bottom and an open upper surface. The side plate 3 is mounted on the bottom plate 2 via a pivot portion 4 as a boundary so as to be deployable. An inclined portion formed at the boundary between the bottom plate 2 and the side plate 3 of the formwork 1
It is provided substantially at the center of that inclined plate portion 4A. Numeral 5 is a seed stone arranged along the inner surface of the formwork 1 and is made of natural stone such as cobblestone and iron flat stone or crushed stone. The seed stone 5 has a substantially flat flat surface 5A. Reference numeral 6 denotes a double-sided pressure-sensitive adhesive tape which is a pressure-sensitive adhesive sheet member having pressure-sensitive adhesive properties on both sides. Then, in producing the concrete block A, as shown in FIG. 2, first, the side plate 3 of the formwork 1 is developed and arranged substantially horizontally. A double-sided adhesive tape 6 is attached to the inner surface of the side plate 3 at least corresponding to the seed stone 5, a plurality of seed stones 5 are laid on the double-sided adhesive tape 6, and the seed stone 5 is attached to the side plate 3. Seed stones 5 are also arranged on the inner surface of the bottom plate 2. Thereafter, as shown in FIG. 3, meltable at room temperature
The industrial agar 7, which is a sealing material that solidifies to a certain degree, is melted and filled into the joints of the seed stone 5 to a predetermined thickness. The industrial agar 7 solidifies when cooled to about room temperature and has a thickness of 5 to 50 mm, preferably about 10 mm, and the industrial agar 7 becomes relatively hard after solidification. Used. When the industrial agar 7 solidifies, as shown in FIG. 4, the side plate 3 is raised to assemble the form 1 and concrete 8 is poured into the assembled form 1. The concrete 8 is compacted, cured, and then demolded. In this case, the seed 5 is hardened concrete except for a part thereof.
When the side plate 3 is opened, as shown in FIG. 5, the double-sided adhesive tape 6 is peeled off from the seed stone 5 and the side plate 3 is unfolded with the double-sided adhesive tape 6 stuck to the side plate 3. You. Then, by removing the industrial agar 7 attached to the bottom surface and the side surface of the demolded concrete block A, the concrete block A in which the seed stone 5 partially appears corresponding to the bottom surface 2 and the side surface 3 is obtained. can get. Further, when the industrial agar 7 is removed, the industrial agar 7 solidifies relatively hard, so that the agar 7 can be peeled off almost at once like a single sheet.

As described above, in this embodiment, the bottom plate 2 and the bottom plate
2 having a side plate 3 that can be deployed with respect to the bottom plate 2 and the side plate.
Side of the formwork 1 having the inclined plate portion 4A on the inner surface of the boundary portion 3
Unfold the plate 3 almost horizontally, and adhere to the inner surface of the side plate 3
Lay the tape 6 and arrange the seed stones 5 on this adhesive tape 6
At the same time, the seed stone 5 is lined up on the inner surface of the bottom plate 2 as well.
In addition, these seeds 5 can be melted between joints and solidified at about room temperature.
The industrial agar 7 is filled, and the industrial agar 7 is solidified.
After that, the side plate 3 is erected to assemble the formwork 1 and then
Concrete 8 and remove it after curing.
This is a method of removing the industrial agar 7 in between, and the seed stone 5 can be buried on one side of the concrete block A and a side surface substantially perpendicular to this one side by placing the concrete 8 once. And the productivity can be improved.

Further, by using the industrial agar 7 which solidifies when cooled to about room temperature as the filling material, the industrial agar 7 is packed between the joints of the seed stone 5 stuck to the side plate 3. The agar 7 solidifies, and the side plate 3 is raised to form the mold 1
It is not necessary to separately fix the sealing material to the side plate 3, so that the production can be performed easily, and the agar 7 solidifies, so that it is removed from between the joints of the seed stone 5. In this case as well, it can be peeled off almost at once, and the agar 7 as a filler can be efficiently removed. Furthermore, since the inclined plate portion 4A is provided at the boundary between the bottom plate 2 and the side plate 3 of the mold 1, the molten agar 7 packed in the bottom plate 2 and the side plate 3 flows out from the inclined plate portion 4A side. There is no. The opposite side of the side plate 3 from the inclined plate portion 4A is cold.
Agar 7 melted just by providing a stopper member for heaven 7
Outflow can be easily prevented.

The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention. For example, as shown in FIG. 7 as the second embodiment, upper and lower flanges 3A and 4B are provided at the boundary between the side plate 3 and the inclined plate 4A, and these flanges 3A and 4B are bolted,
A type in which the mold 1 is assembled by joining with a fastening member 11 such as a nut may be used. In this case, the fastening member 11 is removed and the side plate 3 can be developed. In addition,
In the case of the second embodiment, a filler material to be filled in the bottom plate 2
Can prevent outflow by the inclined plate 4A,
Since the plate 3 does not have the inclined plate 4A, in this case, the upper flange portion
What is necessary is just to provide the stopper member of the agar 7 along 3A. The filler material is not limited to the industrial agar 7, but may be any material that can be solidified and melted when cooled to about room temperature, and paraffin or rosin may be used.

[0014]

The present invention can be applied to a bottom plate and the bottom plate.
A capacity side plates inclined to the inner surface of the boundary portion of the bottom plate and the side plate
The side plate of the mold having a portion is developed almost horizontally,
Adhesive sheet material with adhesive on both sides is laid on the inner surface of the side plate
When the seed stones are arranged and attached on this adhesive sheet member,
In both cases, seeds are also arranged on the inner surface of the bottom plate,
Filled with filler material that can be melted between joints and solidifies at about room temperature
Then, after the sealing material is solidified, the side plate is raised to form a mold.
Assemble the frame, then cast concrete, and after curing
Demolding is to remove the sealing material between the joints ,
Concrete with excellent molding workability and seeds on multiple surfaces
Port block is manufactured by casting concrete once
can do.

[Brief description of the drawings]

FIG. 1 is a partially enlarged sectional view showing a first embodiment of the present invention.

FIG. 2 is a partially enlarged sectional view showing a first embodiment of the present invention.

FIG. 3 is a partially enlarged sectional view showing the first embodiment of the present invention.

FIG. 4 is a partially enlarged sectional view showing the first embodiment of the present invention.

FIG. 5 is a partially enlarged sectional view showing the first embodiment of the present invention.

FIG. 6 is a perspective view of a concrete block showing the first embodiment of the present invention.

FIG. 7 is a sectional view of a main part of a mold according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Formwork 2 Bottom plate 3 Side plate 4 pivot part 4A Inclined plate part (inclined part) 5 Seed stone 6 Double-sided adhesive tape (adhesive sheet member) 7 Industrial agar (filler) 8 Concrete

Claims (1)

(57) [Claims] 1. A bottom plate and a side plate which can be deployed with respect to the bottom plate.
Having an inclined portion on the inner surface at the boundary between the bottom plate and the side plate.
Unfold the side plate of the mold substantially horizontally, and
Lay an adhesive sheet member with adhesive on both sides to
The seed stones are lined up and adhered on the adhesive sheet member.
Seed stones are also arranged on the inner surface of the bottom plate, and melted between joints of these seed stones.
Fill with a filling material that is meltable and solidifies at about room temperature.
After the stopper material has solidified, the side plates are raised and the formwork is assembled.
Then, put concrete and remove it after curing.
A method for manufacturing a concrete block, characterized by removing a filling material between joints .