KR102019604B1 - Manufacturing method for concrete panel having three-dimensional shape - Google Patents

Abstract

Disclosed is a manufacturing method of a 3D pattern concrete panel. The disclosed manufacturing method of a 3D pattern concrete panel comprises: a step a) of laminating a double-sided tape on one surface of kraft paper; a step b) of coating a cement retarder on the other surface of the kraft paper to finish a delay sheet; a step c) of using a laser cutter to cut the delay sheet by a predetermined design to manufacture a design sheet; a step d) of attaching the design sheet to a protruding surface formed on a front surface of a first design molding plate; a step e) of putting the first design molding plate having the design sheet attached thereto on the bottom surface of a mold frame, placing mortar or concrete to the mold frame and curing the same in order to form a concrete plate having a 3D pattern with an embossed carving surface and a depressed engraving surface on one surface thereof, wherein the depressed engraving surface is in contact with the retarder coated on the design sheet to delay curing of the depressed engraving surface; and a step of separating the mold frame and the first design molding plate from the concrete plate, injecting water to the concrete plate to wash cement ingredients of the depressed engraving surface having curing delayed to expose aggregates of mortar or concrete to the outside, and finishing a 3D pattern concrete plate having different surface textures in the depressed engraving surface and the embossed carving surface formed thereon. Accordingly, the present invention improves an interior effect containing 3D design factors.

Description

Manufacturing method for concrete panel having three-dimensional shape}

The present invention relates to a three-dimensional pattern concrete panel manufacturing method, and more specifically, to produce a concrete panel to form a three-dimensional pattern having an embossed surface and an intaglio surface, the surface texture of the intaglio and embossed surfaces of the three-dimensional pattern is different from each other The present invention relates to a method of manufacturing a three-dimensional pattern concrete panel that can produce a refined and luxury according to the three-dimensional pattern and the colorful texture.

In general, with the change of the natural environment, attempts are made to increase decorativeness more effectively by breaking away from simply attaching tiles or stones to concrete walls of various civil construction structures and forming various three-dimensional patterns according to the surrounding landscape. have.

For example, the interior walls, exterior walls or columns of various building structures, embankment works, harbor works, soundproof walls of highways and underground roadways, landscaping facilities, and concrete walls for decoration are various sound and embossed images that can be beautiful and taste in harmony with the surrounding environment. I display it as a pattern.

As such, when manufacturing the concrete panel to make various decorations on the concrete wall, the concrete panel is manufactured so that the three-dimensional pattern of the yin-yang angle on the concrete panel is formed.

The three-dimensional pattern concrete panel is placed on the bottom surface of the formwork to form a plate with the design pattern of the yin-yang embossed, and then by curing the mortar or concrete in the formwork, the three-dimensional pattern of the yin-yang embossment is formed on the surface of the manufactured concrete panel Is used.

However, the concrete panel manufactured by the conventional three-dimensional pattern concrete panel manufacturing method is a three-dimensional pattern is formed on the surface, but the three-dimensional pattern is formed because there is no difference in the texture of the negative surface and the relief surface of the three-dimensional pattern Except that there was a feeling of being dull and monotonous.

Patent Registration 10-0952683 Registration Room 20-0305116 Utility Model Registration 20-0305937 Patent Registration No. 10-1612493

The present invention was devised to solve the conventional problems as described above, while producing a concrete panel to form a three-dimensional pattern having an embossed surface and an intaglio surface, the surface texture of the intaglio and embossed surfaces of the three-dimensional pattern different from each other The purpose of the present invention is to provide a method of manufacturing a three-dimensional pattern concrete panel having an improved shape so that the production can be easily performed due to the simplicity and quality of the three-dimensional pattern and various textures.

Method for producing a three-dimensional concrete panel of the present invention for achieving the above object is a) laminating a double-sided tape on one side of kraft paper; b) applying a cement retarder to the other side of the kraft paper to complete the retardation sheet; c) manufacturing the design sheet by cutting the delay sheet into a predetermined design using a laser cutting machine; d) attaching the design sheet to the protruding surface formed on the front surface of the first design molding plate; e) placing the first design molding plate to which the design sheet is attached to the bottom surface of the formwork, and cast mortar or concrete on the formwork to cure the concrete plate having a three-dimensional pattern having an embossed surface and an intaglio surface on one surface thereof. Forming a concrete plate material such that the engraved surface is in contact with a retardant applied to the design sheet to delay curing of the engraved surface; After separating the formwork and the first design molding plate from the concrete plate, water is sprayed on the concrete plate, the cement component of the intaglio surface, which is hardened, is washed away and the aggregate of mortar or concrete is exposed to the outside. By doing so, the step of completing the three-dimensional pattern concrete plate formed with a different surface texture of the intaglio surface and the embossed surface; characterized in that it comprises a.

Both sides of the kraft paper are configured to include a first face made of coniferous pulp and a second face made of hardwood pulp, wherein the double-sided tape is attached to the first face, and the retardant is applied to the second face. Can be configured.

In the step d), the design sheet is inserted into a groove formed on the rear surface of the second design molding plate, and the first design molding plate is superimposed on the rear surface of the second design molding plate, and the design sheet is the first design. It may be configured to be attached to the position of the protrusion formed on the front of the molding plate.

On the other hand, the three-dimensional pattern concrete panel manufacturing method of the present invention comprises the steps of: a) applying a retarder on the front of the first design molding plate; b) adhering the double-sided tape to one side of the kraft paper, cutting into a predetermined design to produce a design sheet; c) coating an oil on one surface of the design sheet to form an oil coating layer; d) attaching the design sheet to the protruding surface formed on the front surface of the first design molding plate; e) placing the first design molding plate to which the design sheet is attached to the bottom surface of the formwork, and cast mortar or concrete on the formwork to cure the concrete plate having a three-dimensional pattern having an embossed surface and an intaglio surface on one surface thereof. Forming a concrete plate material such that the relief surface is in contact with the retarder applied to the first design molding plate to slow down the curing of the relief surface; f) After separating the formwork and the first design molding plate from the concrete plate, by spraying water on the concrete plate, the cement component of the embossed surface is delayed hardening to wash away the aggregate of the mortar or concrete By being exposed to, the step of completing the three-dimensional pattern concrete plate formed differently the surface texture of the embossed surface and the intaglio surface; characterized in that it comprises a.

In the step d), the design sheet is inserted into a groove formed on the rear surface of the second design molding plate, and the first design molding plate is superimposed on the rear surface of the second design molding plate, and the design sheet is the first design. It may be configured to be attached to the position of the protrusion formed on the front of the molding plate.

According to the above, the concrete panel produced by the three-dimensional pattern concrete panel manufacturing method of the present invention by forming a three-dimensional pattern having an embossed surface and an intaglio surface on one surface, not only improves the interior effect, including three-dimensional design elements In particular, the three-dimensional pattern of the embossed surface and the intaglio surface can be expressed differently, so that it can create a natural, refined and luxurious atmosphere, thereby increasing the added value of the product and can greatly improve the productability. It works.

In particular, the manufacturing process is not complicated and can be easily applied to non-experts, not experts, there is an effect that can increase the productivity of three-dimensional concrete panel.

1 is a block diagram showing a three-dimensional pattern concrete panel manufacturing method according to a first embodiment of the present invention,
FIG. 2 is a view for explaining a step of manufacturing a delay sheet by laminating double-sided tape on kraft paper and applying a retardant to kraft paper in FIG. 1;
3 is a view for explaining a step of manufacturing a design sheet by cutting the delay sheet in FIG.
4 to 6 are views for explaining the step of attaching the design sheet to the design molding plate in FIG.
7 and 8 is a view for explaining the step of placing the design molding plate in the formwork in Figure 1,
9 is a view showing a concrete panel manufactured by the three-dimensional pattern concrete panel manufacturing method according to the first embodiment of the present invention,
10 is a photograph showing an example of a concrete panel manufactured by the three-dimensional pattern concrete panel manufacturing method according to the first embodiment of the present invention,
11 is a block diagram showing a three-dimensional pattern concrete panel manufacturing method according to a second embodiment of the present invention,
12 is a view for explaining the step of applying a retarder to the front of the design molding plate in FIG.
FIG. 14 is a view for explaining a step of attaching and cutting a double-sided tape to kraft paper in FIG. 11 to make a design sheet and applying oil to the design sheet.
14 to 16 are views for explaining the step of attaching the design sheet to the design molding plate in Figure 11,
FIG. 17 is a view for explaining a step of pouring concrete into a mold in a mold in FIG. 11;
18 is a view showing a concrete panel manufactured by the three-dimensional pattern concrete panel manufacturing method according to a second embodiment of the present invention,
19 is a photograph showing an example of a concrete panel manufactured by the three-dimensional pattern concrete panel manufacturing method according to a second embodiment of the present invention.

Objects, other objects, features and advantages of the present invention will be readily understood through the following preferred embodiments associated with the accompanying drawings. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosure may be made thorough and complete, and to fully convey the spirit of the present invention to those skilled in the art.

In the present specification, when a component is mentioned to be on another component, it means that it may be formed directly on the other component or a third component may be interposed therebetween. In addition, in the drawings, the thickness of the components are exaggerated for the effective description of the technical content.

Embodiments described herein will be described with reference to cross-sectional views and / or plan views, which are ideal exemplary views of the present invention. In the drawings, the thicknesses of films and regions are exaggerated for effective explanation of technical content. Therefore, the shape of the exemplary diagram may be modified by manufacturing techniques and / or tolerances. Therefore, the embodiments of the present invention are not limited to the specific forms shown, but also include changes in forms generated according to manufacturing processes. For example, the etched regions shown at right angles may be rounded or have a predetermined curvature. Thus, the regions illustrated in the figures have properties, and the shape of the regions illustrated in the figures is intended to illustrate a particular type of region of the device and is not intended to limit the scope of the invention. Although terms such as first and second are used to describe various components in various embodiments of the present specification, these components should not be limited by these terms. These terms are only used to distinguish one component from another. The embodiments described and illustrated herein also include complementary embodiments thereof.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, the words 'comprises' and / or 'comprising' do not exclude the presence or addition of one or more other components.

In describing the following specific embodiments, various specific details are set forth in order to explain and understand the invention in more detail. However, one of ordinary skill in the art can understand that the present invention can be used without these various specific details. In some cases, it is mentioned in advance that parts of the invention that are commonly known in the present invention and that are not highly related to the invention are not described in order to prevent confusion in explaining the present invention without cause.

1 to 10, a three-dimensional pattern concrete panel manufacturing method according to a first embodiment of the present invention will be described.

In the method of manufacturing a three-dimensional pattern concrete panel of the first embodiment, a three-dimensional pattern having an embossed surface and an engraved surface is formed on one surface of the manufactured three-dimensional pattern concrete panel, and the embossed surface and the engraved surface of the three-dimensional pattern have different surface textures. There is a characteristic in that.

In the method of manufacturing a three-dimensional pattern concrete panel according to the first embodiment of the present invention, a retardation sheet is manufactured by applying a retardant to kraft paper and double-sided tape (s10) and the kraft paper (s12), and a retardation sheet is cut to produce a design sheet (s14). , The design sheet is attached to the design sheet (s16), the design molding plate is put into the formwork, the concrete is poured (s18), water spraying on the concrete is configured to include a process consisting of the delayed cement removal (s20).

Referring to FIGS. 1 and 2 (a), the paper s10 of kraft paper and double-sided tape prepares kraft paper 11, and attaches double-sided tape 13 to the back surface of kraft paper 11, The delay sheet is prepared by applying a retardant to the kraft paper (s12) is a process of applying a retarder 15 to delay the cement hardening on the front surface of the kraft paper (11).

In the present invention, the back surface of the kraft paper 11 is made of coniferous pulp, and forms a low density layer (90%), and has a sparse pore structure to make it thick and light and high in strength, and the front side of the kraft paper 12 is a hardwood. It consists of pulp, forming a high yield layer (10%), and consists of highly refined pulp to make the surface even and excellent in printability and appearance.

In the present invention, the double-sided tape 13 is configured to attach to the back side of the kraft paper 11 made of softwood pulp. The present invention is configured such that the kraft paper 11 and the double-sided tape 13 are inserted between a pair of pressing rollers so that the double-sided tape 13 is attached to the back surface of the kraft paper 11. At this time, the double-sided tape 13 is a release paper is formed, by separating the release paper, kraft paper 11 can be attached to the skin adhesion surface through the double-sided tape (13).

In addition, the retardant 15 is a liquid retardant for cement retardation, and may be applied to the entire front surface of the kraft paper 11 by a silk screen method.

However, the present invention is not limited thereto, and the retardant 15 may be applied to the entire surface of the kraft paper 11 by spraying the retardant 15 through a sprayer or by painting the retardant 15 with a brush. Of course.

The double-sided tape 13 is attached to the back surface of the kraft paper 11, and the retarder sheet 10 is completed by applying the retarder 15 to the front surface.

Next, the design sheet manufacturing by cutting the delay sheet (s14) is a process of manufacturing the design sheet 20 as shown in Figure 2 (b) by cutting the delay sheet 10 to a predetermined design using a laser cutter. .

In this case, the design sheet 20 may be configured in the same form as the entire region or the partial region of the protruding surface 33 (see FIG. 3) formed on the front of the design molding plate 30.

Next, attaching the design sheet to the design molding plate s16 is a process of attaching the design sheet 20 to the protruding surface 33 of the first design molding plate 30.

Specifically, as shown in FIG. 3, the same first design molding plate 30 and the second design molding plate 30 ′ are prepared, and the second design molding plate 30 ′ is inverted to form the second design molding plate 30. In a state where the rear surface of ') is disposed upward, the design sheet 20 is inserted into the groove 35 formed on the rear surface of the second design molding plate 30' as shown in FIG. At this time, the design sheet 20 is inserted into the groove 35 of the second design molding plate 30 'with the release paper of the double-sided tape attached thereto, the double-sided tape facing upward and the retardant facing downward.

In the present invention, the first design molding plate 30 and the second design molding plate 30 'are made of the same structure and shape, and the front surface has a recessed surface 31 and a protruding surface 33 designed in a predetermined pattern. The back surface is provided with a groove 35 having the same shape as the protrusion surface 33 at a position corresponding to the protrusion surface 33.

In the present invention, the groove 35 is formed for the purpose of losing weight on the rear portion of the protruding surface 33 of the design molding plate 30, when the respective design molding plates 30, 30 'overlap each other, the second design molding The protruding surface of the first design molding plate 30 may be inserted into the groove 35 of the plate 30 ′.

In the present embodiment, each of the design molding plates (30, 30 ') is made of a lattice-shaped brick form, when the design molding plate 30 is placed in the formwork, and the concrete is poured, the concrete panel to be produced is designed on one surface (30 The three-dimensional pattern is formed by the embossed surface and the intaglio surface is formed, wherein the embossed surface of the three-dimensional pattern formed on the concrete panel is formed by the depression surface 31, the intaglio surface of the three-dimensional pattern is protruding surface (33) It is formed by.

As described above, the design sheet 20 is inserted into the groove 35 formed on the rear surface of the second design molding plate 30 'and the first design molding plate 30 is inserted into the second design molding plate 30'. When overlapping with respect to the back surface of the), the protruding surface 33 of the first design molding plate 30 is fitted into the groove 35 of the second design molding plate 30 'and the second design molding plate 30' As shown in FIG. 6, the design sheet 20 fitted into the groove 35 is attached by a double-sided tape to the correct position of the protruding surface 33 of the first design molding plate 30. At this time, the design sheet 20 attached to the protruding surface 33 of the first design molding plate 30 is in a state where the retardant is exposed.

In this state in which the design sheet 20 is attached to the protruding surface 33 of the first design mold plate 30, the first design mold plate 30 is attached to the formwork 40 as shown in FIGS. 7 and 8. Put mortar or concrete in the formwork 40 to form a concrete panel.

As described above, when the mortar or concrete is poured into the formwork 40, the front surface of the concrete panel 60 produced by the recessed surface 31 and the protruding surface 33 of the first design molding plate 30 A three-dimensional pattern 62 having an embossed surface 65 and an intaglio surface 64 is formed, wherein the engraved surface 65 of the three-dimensional pattern 62 is attached to the protruding surface 33. The contact with the retardant applied to the C) causes delay in curing of the cement component forming the intaglio surface 64.

As described above, when the mortar or concrete is poured into the formwork 40 to form a concrete panel, and curing occurs after a predetermined time (about 23 to 25 hours), the formwork 40 and the first design molding plate After the 30 is separated from the formed concrete panel, water is sprayed onto the concrete panel to perform a process of removing the delayed cement (s20).

Cement removal delayed by spraying water on the concrete panel (s20) is sprayed with high pressure water on the surface of the concrete panel on which the three-dimensional pattern is formed. As the aggregate is exposed to the outside, the texture of the intaglio and embossed surfaces is completely different in the three-dimensional pattern formed on the concrete panel.

That is, referring to Figures 9 and 10, in the three-dimensional pattern 62 formed in the manufactured concrete panel 60, the engraved surface 64 is removed from the sigmoid component is removed, the aggregate such as silica sand, fine stone, sand, etc. Exposed to the rough texture exposed to the surface, the embossed surface (65) in the three-dimensional pattern (62) is not delayed cement is cured as it is so that the cement is not washed out even when spraying water, the surface texture is a very soft feel. Accordingly, the manufactured concrete panel has a three-dimensional pattern with an intaglio and an embossed surface, so that the design expression is possible, and the surface materials of the intaglio and embossed surfaces can be formed differently, thus creating a natural, refined and luxurious atmosphere. Will be.

In the present invention, when the design sheet 20 is configured in the same shape as the entire area of the protruding surface 33 of the design molding plate 30, the entire engraved surface of the three-dimensional pattern in the produced concrete panel is delayed cement hardening This aggregate may be exposed to the outside to express a rough surface texture, and when the design sheet 20 is configured in the same shape as a part of the protruding surface 33 of the design molding plate 30, the three-dimensional structure of the manufactured concrete panel Only a part of the entire area of the concave surface of the pattern may be delayed to form a rough surface texture.

Hereinafter, a method of manufacturing a three-dimensional pattern concrete panel according to a second embodiment of the present invention will be described with reference to FIGS. 11 to 19.

In the first embodiment, the cement component of the inclined surface was removed by delaying the cement component of the intaglio surface in the three-dimensional pattern of the manufactured concrete panel. In the second embodiment, the cement component of the inclined surface was delayed by delaying the cement component of the inclined surface. There is a difference in that it is to form a coarse surface texture compared to the intaglio surface by removing the aggregate of the embossed face of the three-dimensional pattern to the outside.

Specifically, the three-dimensional pattern concrete panel manufacturing method of the second embodiment is applied to the front surface of the design molding plate (s32), the double-sided tape attached to the kraft paper (s34), by cutting the kraft paper to manufacture the design sheet (s36), the design sheet To apply the oil (s38), attach the design sheet to the design molding plate (s40), put the design mold into the formwork, put the concrete in place (s42), and spray the water on the concrete to remove the delayed cement (s44). It is composed.

Materials required for each configuration, that is, kraft paper, double-sided tape, the first and second design molding plate, the formwork is the same as the first embodiment.

12, the retardant 50 is evenly applied to the entire front surface of the first design molding plate 30 through the sprayer (S32).

Next, as shown in FIG. 13A, the double-sided tape 13 is attached to the back side of the kraft paper 11 (s34), and the double-sided tape 13 is attached to the back side of the kraft paper 11. By cutting the kraft paper 11 into a predetermined design shape using a laser cutter, a design sheet 22 is formed as shown in FIG. 13B (s36). In this case, the design sheet 22 may be configured in the same form as the entire region or the partial region of the protruding surface 33 formed on the front surface of the design molding plate 30.

In this state, the oil (o) such as engine oil, coating oil, etc. on the front of the design sheet 22 as shown in Figure 13 (b) by brushing to apply (s38).

Since the method (s40) for attaching the design sheet 22 to the first design molding plate 30 is the same as in the first embodiment, the design sheet 22 protrudes 33 of the design molding plate 30. Can be attached to the correct position of (s40).

Specifically, as shown in FIG. 14, in the state in which the groove 15 formed on the rear surface of the second design molding plate 30 ′ is turned upside down, the groove 15 is turned upward. The design sheet 22 is inserted into the container. At this time, the design sheet 22 removes the release paper of the double-sided tape, so that the double-sided tape is facing upward and the oil-coated surface of the design sheet 22 is faced downward so as to fit in the groove 15.

In this state in which the design sheet 22 is fitted to the second design molding plate 30 ', as shown in FIG. 15, when the first design molding plate 30 is superimposed on the rear surface of the second design molding plate 30', As the protruding surface 33 of the first design mold plate 30 is fitted into the groove 35 of the second design mold plate 30 ', as shown in FIG. 16, the design sheet 22 is formed by the double-sided tape. The design sheet 22 can be easily attached to a fixed position of the protruding surface 33 of the design plate 30, in this case, the design sheet 22 attached to the protruding surface 33 of the first design molding plate 30 is designed The oil applied to the sheet 22 is exposed.

In this state in which the design sheet 22 is attached to the protruding surface 33 of the first design molding plate 30, the first design molding plate 30 is placed in the formwork 40 as shown in FIG. Placing concrete in the formwork 40 and curing to form a concrete panel (s42).

As described above, when the mortar or concrete is poured into the formwork 40, the front surface of the concrete panel 60 produced by the recessed surface 31 and the protruding surface 33 of the first design molding plate 30 A three-dimensional pattern 62 having an embossed surface 65 and an intaglio surface 64 is formed, wherein the embossed surface 65 of the three-dimensional pattern 62 is a recessed surface of the first design molding plate 30. 31, the hardening of the cement component forming the embossed surface is delayed in contact with the retardant 50 applied to the retardant, and the engraved surface of the three-dimensional pattern is attached to the protruding surface 33, so that the protruding surface ( The retardant 50 applied to 33 is not in contact with the intaglio surface 64.

As described above, when the mortar or concrete is poured into the formwork 40 to form a concrete panel, and curing takes place after a predetermined time, the formwork 40 and the first design molding plate 30 is formed in the concrete panel After separation, water is sprayed onto the concrete panel to remove the delayed cement removal (s20).

By spraying high-pressure water on the surface of the concrete panel on which the three-dimensional pattern is formed, the cement components of the two-sided surface of the three-dimensional pattern that has been hardened are washed away, and aggregates such as silica sand, fine stone, and sand are exposed to the outside. The texture of the intaglio and embossed surfaces will be completely different.

That is, as shown in Figure 19, in the three-dimensional pattern (62) formed in the manufactured concrete panel 60, the embossed surface 65 is washed away from the sigmoid component is removed coarse aggregate, such as silica sand, fine stone, sand, etc. In the three-dimensional pattern 62, the intaglio surface 64 is cured without delaying the cement, so that the cement is not washed out even when spraying water, so that the surface texture is smooth and soft. Accordingly, the manufactured concrete panel has a three-dimensional pattern with an intaglio and an embossed surface, so that the design expression is possible, and the surface materials of the intaglio and embossed surfaces can be formed differently, thus creating a natural, refined and luxurious atmosphere. Will be.

In the present invention, when the design sheet 22 is configured in the same shape as the entire area of the protruding surface 33 of the design molding plate 30, the entire engraved surface 65 of the three-dimensional pattern 62 in the manufactured concrete panel is cement Curing is not delayed, so that the entire area of the intaglio surface can exhibit a good surface texture by cement, and the design sheet 22 has the same shape as a part of the protruding surface 33 of the design plate 30. When constructed, only a part of the entire area of the concave surface of the three-dimensional pattern in the manufactured concrete panel can form a fine surface texture.

On the other hand, in the present invention, applying the oil to the front of the design sheet 22, it serves only as a release agent to easily separate the first concrete design plate 30 to which the manufactured concrete panel and the design sheet 22 is attached. Rather, the retardant 50 applied to the front surface of the first design molding plate 30 is absorbed by the design sheet 22, which affects the negative surface of the manufactured concrete panel, thereby delaying hardening of the cement component of the negative surface. This is to prevent it.

While the invention has been shown and described in connection with preferred embodiments for illustrating the principles of the invention, the invention is not limited to the configuration and operation as such is illustrated and described. Rather, those skilled in the art will appreciate that many changes and modifications can be made to the present invention without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes, modifications, and equivalents should be considered to be within the scope of the present invention.

10 ... Delay Sheet
11 ... kraft paper
13.Double Sided Tape
15.Delay
20,22 ... Design sheet
30,30 '... Design Molding Plate
31 ...
33.Extruded surface
35.Home
40 ... formwork
50 ... Delayed Retardant

Claims (5)

delete delete delete a) applying a retardant to the front of the first design plate;
b) adhering the double-sided tape to one side of the kraft paper, cutting into a predetermined design to produce a design sheet;
c) coating an oil on one surface of the design sheet to form an oil coating layer;
d) attaching the design sheet to the protruding surface formed on the front surface of the first design molding plate;
e) placing the first design molding plate to which the design sheet is attached to the bottom surface of the formwork, and cast mortar or concrete on the formwork to cure the concrete plate having a three-dimensional pattern having an embossed surface and an intaglio surface on one surface thereof. Forming a concrete plate material such that the relief surface is in contact with the retarder applied to the first design molding plate to slow down the curing of the relief surface;
f) After separating the formwork and the first design molding plate from the concrete plate, by spraying water on the concrete plate, the cement component of the embossed surface is delayed hardening to wash away the aggregate of the mortar or concrete By exposing to, the step of completing the three-dimensional concrete plate formed with a different surface texture of the embossed surface and the intaglio surface; three-dimensional pattern concrete panel manufacturing method comprising a.
The method of claim 4, wherein
Step d),
The design sheet is inserted into a groove formed on the rear surface of the second design molding plate, and the first design molding plate is superimposed on the rear surface of the second design molding plate, and the design sheet is formed on the front surface of the first design molding plate. Method of producing a three-dimensional concrete panel, characterized in that attached to the right position of the protrusion.

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