KR20230089967A - A refillable container with excellent press formability and a method for manufacturing a refillable container - Google Patents

Abstract

The present invention provides an inner container portion for providing an inner receiving space; a dispenser unit connected to the inner container unit and discharging the fluid present in the accommodation space to the outside; And an outer container part connected to the dispenser and providing an outer accommodating space that is a predetermined space so that the inner container part is disposed inside, wherein the outer container part is in a state in which the first mother body portion and the second mother body portion overlap each other It relates to a refillable container formed by pressurization and a manufacturing method thereof.

Description

A refillable container with excellent press formability and a method for manufacturing a refillable container}

The present invention relates to a refillable container and a method for manufacturing the same, which manufactures a container having an accommodation space therein by press molding in a folded state of paper, and provides a structure capable of reinforcing the rigidity of the paper.

In general, paper is harmless to the human body and can be made into any desired shape and size by appropriately selecting the quality and thickness of the paper used. Accordingly, paper is widely used for various purposes.

In particular, as a container made of paper as a raw material is cheap and can be easily separated and discharged after use, paper containers are used for packaging products in various fields.

In particular, paper is widely used for packaging materials used when packaging food, since harmlessness to the human body is an absolute requirement.

However, existing paper containers have a problem in that they are not easy to mold due to their low strength compared to other packaging materials. Therefore, conventionally, a coating film of acrylic resin is applied to the surface of paper for reinforcement and waterproofing, or paper is laminated in a sheet form to be molded, or thick paper is used as a raw material. As a result, the weight of the paper used for manufacturing increases, and the production cost may increase. At the same time, when thick paper is press-molded, the folded portion cries to form an uneven surface or it is difficult to form a curved surface.

The present invention is to solve the above problems, it is possible to provide a structure capable of improving the rigidity of a container made of paper as a raw material, and at the same time, in the step of shaping the shape of the container, it is possible to prevent defects due to rupture of paper as a raw material. We want to minimize occurrence.

In addition, another object of the present invention is to provide a refillable container that can be simply manufactured through press molding even in a deep container or a product having a complex shape with irregularities.

However, the technical problem to be achieved by the present embodiment is not limited to the technical problems described above, and other technical problems may exist.

A refillable container according to an example of the present invention includes an inner container portion for providing an inner receiving space, which is a predetermined inner space, so that fluid is accommodated therein; a dispenser unit connected to the opening of the inner container unit to discharge the fluid present in the first accommodating space to the outside; and an outer container unit that is connected to the dispenser unit so that at least a portion of the dispenser unit is exposed to the outside and provides an external accommodating space that is a predetermined space so that the inner container unit is disposed inside. The outer container portion may be formed by pressing the first mother body portion and the second mother body portion in an overlapped state.

In addition, the outer container unit presses the first and second mother bodies so that a portion of the first mother body overlaps the second mother body and the remaining portion of the first mother body does not overlap the second mother body. can be formed.

In addition, in the first matrix part, the 1-1 area and the 1-2 area are divided by the 1-1 cutting line, and the 1-2 cutting line is cut in the 1-1 area so that the 1-1 area is cut out. is formed, and the second parent body is divided into a 2-1 region and a 2-2 region by a 2-1 cutting line, and the second region is cut out so that the 2-1 region is cut. -2 perforations may be formed. At this time, in the process of pressurizing the first mother body and the second mother body, the outer container part is separated from the 1-1 region, and the 1-2 perforated line separates the 1-1 region from the 1-2 region. The first mother body portion of region 1 is cut, the second region 2-1 is separated from the region 2-2, and the second mother body portion of region 1-2 is cut by the 2-2 perforated line. can be formed

For example, the outer container unit may include a first outer container member and a second outer container member connected to one side of the first outer container member. The second outer container member may form the outer accommodating space while being connected to the first outer container member by folding a connection portion between the first outer container member and the second outer container member.

For example, the inner container portion may be made of a plastic material.

In addition, the manufacturing method of the refillable container according to an example of the present invention, the inner container portion preparation step of preparing the inner container portion for providing a predetermined inner space, the inner receiving space to accommodate the fluid; a first mother body preparation step, which is a step of preparing a first mother body portion in which a 1-1 area and a 1-2 area are divided by a 1-1 perforation line; a second mother body preparation step in which a second mother body portion is prepared in which a 2-1 region and a 2-2 region are divided by a 2-1 perforation line; a mother body positioning step in which the first mother body and the second mother body are overlapped with each other and positioned at a predetermined position in a press device; The first and second parent bodies are pressed by the press device, so that the 1-1 area is separated from the 1-2 area and the 2-1 area is separated from the 2-2 area. A press step, which is a step of forming an outer container part; and a container coupling step in which the inner container portion is covered by the outer container portion.

In the first matrix part, a 1-2 perforation line is formed in the 1-1 zone so that the 1-1 zone is cut out, and the second matrix part has the 2-1 zone so that the 2-1 zone is cut out. A 2-2 cutting line may be formed in one area.

In addition, in the pressing step, while the 1-1 region is separated from the 1-2 region, the 1-1 region is also cut along the 1-2 perforated line, and the second region is separated from the 2-2 region. While the -1 region is separated, the first mother body and the second mother body may be simultaneously pressed so that the 2-1 region is also cut along the 2-2 perforation line.

In addition, according to an example, the third mother body is a step of preparing a third mother body which is located between the 1-1 region of the first mother body and the 2-1 region of the second mother body and supplements the outer container portion. A preparation step; may be further included.

In addition, a fluid filling step of filling the inner container with a fluid; and a step of connecting the dispenser unit, which is a step of connecting the dispenser unit to the inner container unit filled with the fluid.

The refillable container and the manufacturing method of the refillable container according to the present invention have a structure capable of reinforcing the rigidity of paper, which is a raw material, so that the defect rate can be minimized in the container molding step, and the durability is improved. Good packaging container can provide.

In addition, it is possible to provide a packaging container that is more environmentally friendly than conventional plastic containers by using paper as a raw material.

In addition, since the manufacturing process can be simplified, production is easy and there is an effect of reducing manufacturing cost.

In addition, even if the weight of the paper required is reduced, the strength of the existing wrapping paper can be maintained, which has an economical effect.

However, the effects of the present invention are not limited to the above-mentioned effects, and effects not mentioned will be clearly understood by those skilled in the art from this specification and the accompanying drawings.

1 is a state diagram showing a state of use of a refillable container according to an example of the present invention;
Figure 2 is a state of use showing the shape of a refillable container according to an example of the present invention
Figure 3 is an exploded perspective view showing the shape of a refillable container according to an example of the present invention
Figure 4 is a flow chart of a method for manufacturing a refillable container according to an example of the present invention
5 is a plan view showing the shapes of a first mother body and a second mother body of a refillable container according to an example of the present invention;
6 is a plan view showing a state in which a first mother body portion and a second mother body portion overlap each other according to an example of the present invention;
Figure 7 is a perspective view showing a press state of the outer container portion according to an example of the present invention
8 is a flowchart of a method for manufacturing a refillable container according to a second embodiment of the present invention
9 is a plan view showing the shapes of first to third parent bodies of a refillable container according to a second embodiment of the present invention;
10 is a perspective view showing a state in which the first and second parent bodies of the refillable container overlap each other according to the second embodiment of the present invention;
11 is a plan view showing the shapes of first to third parent bodies of a refillable container according to a third embodiment of the present invention;
12 is a plan view showing the shapes of first to third parent bodies of a refillable container according to a fourth embodiment of the present invention;

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the presented embodiments, and those skilled in the art who understand the spirit of the present invention may add, change, delete, etc. other elements within the scope of the same spirit, through other degenerative inventions or the present invention. Other embodiments included within the scope of the inventive idea can be easily proposed, but it will also be said to be included within the scope of the inventive concept.

1 is a use state diagram showing a use state of a refillable container according to an example of the present invention.

Referring to Figure 1, the refill container 1 of the present invention can be used by further coupling a plurality of cases or labels to the outside.

At this time, the case or label sheet is preferably formed in a shape corresponding to the shape of the refill container so as to surround the refill container of the present invention.

For example, when the case is further coupled to the outside, it is possible to prevent the refill container of the present invention from being damaged by external impact.

For example, when the label paper or the like is further coupled to the outside, a picture or text may be printed on the label paper to provide information about the refill container of the present invention.

Figure 2 is a use state diagram showing the shape of a refillable container according to an example of the present invention, Figure 3 is an exploded perspective view showing the shape of a refillable container according to an example of the present invention.

Referring to Figures 2 and 3, the refillable container according to an example of the present invention is connected to the inner container portion 10, the opening portion of the inner container portion 10 providing an inner receiving space, which is a predetermined space inside. is connected to the dispenser unit 11 so that the dispenser unit 11 and at least a portion of the dispenser unit 11 are exposed to the outside and the inner container unit 10 is disposed inside the outer receiving space, which is a predetermined space It may include an outer container portion 20 that provides a.

For example, the inner container part 10 may be made of a plastic material. However, the material of the inner container is not limited thereto and may be made of various materials capable of securing the inner accommodation space, such as aluminum, metal, synthetic resin, and glass.

Fluid exhibiting fluidity is accommodated in the inner accommodating space of the inner container part 10, and the dispenser part 11 discharges the fluid existing in the inner accommodating space (first accommodating space) to the outside.

For example, the fluid contained in the inner container part 10 may be one of various cosmetics such as toner or foundation, various household items such as shampoo, body wash, or liquid detergent, and food.

In addition, the outer container part 20 may be provided to cover the entire inner container part 10 or a partial area thereof.

For example, the outer container part 20 can prevent the inner container part 10 from being damaged due to an impact applied from the outside.

For example, the outer container part 20 may be printed with text or pictures to provide various information to the user.

For example, when the outer container portion 20 is disposed so as to surround the inner container portion 10 as the through hole (not shown) is formed in the outer container portion 20, the inner container portion from the through hole ( 10) can be seen.

At this time, the inner container portion 10 is preferably made of a translucent or transparent material, and according to the structure described above, it is possible to confirm the fluid filled therein through the through hole.

In addition, the coupling between the inner container portion 10 and the dispenser portion 11 may be implemented by screwing or fitting, but is not limited thereto, and the coupling between the inner container portion 10 and the dispenser portion 11 is Various modifications are possible at a level obvious to those skilled in the art.

For example, as shown in FIG. 3, the outer container unit may include a first outer container member 20 and a second outer container member 20' connected to one side of the first outer container member 20. there is.

The second outer container member 20' is formed by folding the connection portion L1 between the first outer container member 20 and the second outer container member 20', thereby forming the first outer container member 20. Being connected with may form the outer receiving space.

For example, when a lot of bends are formed in the shape of the outer container portion, the outer container portion includes N outer container members (N=1,2,3? ?) may be further provided, and each outer container member may be connected to each other by folding the connection portion (L1) to form the outer accommodating space.

However, in the above example, it may be preferable to form a small number of outer container members constituting the outer container part for a quick and easy press process.

Figure 4 is a flow chart of a manufacturing method of a refillable container according to an example of the present invention, Figure 5 shows the shape of the first mother body and the second mother body of the refillable container according to an example of the present invention, Figure 6 is It shows a state in which the first mother body portion and the second mother body portion overlap according to an example of the present invention, and FIG. 7 shows a press forming state of the outer container portion according to an example of the present invention.

Referring to FIG. 4, in the manufacturing method of a refillable container according to an example of the present invention, the inner container part 10 is prepared to provide an inner receiving space, which is a predetermined inner space, so that fluid is accommodated. Preparation step, the first mother body portion preparation step, which is a step of preparing the first mother body portion 100 in which the 1-1 region 110 and the 1-2 region 120 are divided by the 1-1 perforation line 121 , The second mother body preparation step, which is a step of preparing the second mother body portion 200 in which the 2-1 region 210 and the 2-2 region 220 are divided by the 2-1 perforation line 221, the above A mother body positioning step, which is a step of overlapping the first mother body portion 100 and the second mother body portion 200 and positioning them at a predetermined position in the press device, the first mother body portion 100 and the first mother body portion 100 and the When the second mother body 200 is pressed, the 1-1 area 110 is separated from the 1-2 area 120 and the 2-1 area ( 210) may include a press step in which the outer container portion 20 is formed by separating the containers, and a container combining step in which the inner container portion 10 is covered by the outer container portion 20.

In addition, according to an example, the fluid filling step, which is a step of filling the inner container portion 10 with fluid, and the dispenser portion 11, which is a step of connecting the dispenser portion 11 to the inner container portion 10 filled with the fluid. ) may further include a connection step.

For example, in the first matrix part 100, the 1-2 cutting line 111 is formed in the 1-1 region 110 so that the 1-1 region 110 is cut out, 2 The mother body part 200 may have a 2-2 cutting line 211 formed in the 2-1 area 210 so that the 2-1 area 210 is cut out.

In addition, in the pressing step, while the 1-1 region 110 is separated from the 1-2 region 120, the 1-1 region 110 is also cut along the 1-2 perforation line 111. 2-1 area 210 is separated from the 2-2 area 220, and the 2-1 area 210 is also cut along the 2-2 cutting line 211. The mother body portion 100 and the second mother body portion 200 may be simultaneously pressed.

Due to the heat in the pressing step, the adhesive applied to the first and second base parts is melted, and the first and second base parts may be adhered to each other.

Referring to FIGS. 5 to 7 , for example, the outer container portion 20 may be formed by pressing the first mother body portion 100 and the second mother body portion 200 in an overlapped state.

Thus, as the thickness of the outer container portion 20 increases, more robust packaging is possible.

For example, in the outer container part 20, a portion of the first mother body portion 100 overlaps the second mother body portion 200 and the remaining portion of the first mother body portion 100 overlaps the second mother body portion. The first mother body portion 100 and the second mother body portion 200 may be formed by pressing so as not to overlap with (200).

In addition, in the first mother body portion 100, the 1-1 region 110 and the 1-2 region 120 are divided by the 1-1 perforated line 121, and the second mother body portion 200 , the 2-1 area 210 and the 2-2 area 220 may be divided by the 2-1 perforated line 221 .

At this time, a 1-2 cutting line 111 is formed in the 1-1 area 110 so that the 1-1 area 110 is cut, and the 2-1 area 210 is cut out. A 2-2 cutting line 211 may be formed in the 2-1 area 210 .

For example, the perforation line may be formed as a straight line, a curved line, or a straight line including a curved line as shown.

For example, the perforation line may be formed by bending at least once as needed.

However, the shape of the perforation line is not limited to the above description and may be modified into various other shapes.

For example, the position of the 1-2 perforation line and the 2-2 perforation line when the first parent body and the second parent body are provided so as to contact each other in order to prevent a through hole from being formed in the outer container portion molded by the press process. It is preferable to arrange them so that they are staggered with each other.

In addition, the 1-1 perforated line 121 may be formed to be spaced apart from the edge of the 1-2 area by a predetermined interval, and the 2-1 perforated line 221 is constant from the edge of the 2-2 area. It may be formed to be spaced apart.

For example, in the 1-1 region, there is a pressing region, which is a region that is moved in a downward direction by a press, and the pressing region is located adjacent to the opening portion of the inner container portion. L2b), surrounded by first lower sides L4a and L4b disposed adjacent to the bottom surface of the inner container unit, and first side sides L3a, L3b and L1a connecting the first upper side and the first lower side It may mean an inner region.

In the 2-1 area, there is a pressing area in which the area moved in the lower direction by the press is present, and the pressing area includes the second upper sides L2c and L2d provided adjacent to the opening portion of the inner container part and , The inner side surrounded by the second lower sides L4c and L4d provided adjacent to the bottom surface of the inner container unit and the second side sides L3c, L3d and L1c connecting the second upper side and the second lower side. area can mean.

For example, at least one first bending point P1 may be formed between the first upper sides L2a and L2b and the first side sides L3a, L3b and L1a.

In addition, at least one second bending point P2 may be formed between the second upper sides L2c and L2d and the second side sides L3c, L3d and L1c.

For example, at least one third bending point may be formed between the first lower sides L4a and L4b and the first side sides L3a, L3b and L1a.

In addition, at least one fourth bending point may be formed between the second lower sides L4c and L4d and the second side sides L3c, L3d and L1c.

In addition, the third bending point and the fourth bending point may be formed to surround a bent portion formed adjacent to the bottom portion of the inner container unit.

As shown in FIG. 7, the outer container having the structure described in FIGS. 5 and 6 prepares a mold for press molding in a folded state so that all or part of the first mother body and the second mother body overlap each other. Seat the mother body and the second mother body. Then, the outer container part 20 may be formed by press-pressing the first mother body part 100 and the second mother body part 200 seated in the mold.

As an example, the mold may include an upper mold and a lower mold, but is not limited thereto, and a detailed description thereof is omitted as it is commonly known to those who practice the present invention.

For example, when pressing, the 1-1 region 110 is separated from the 1-2 region 120 and a portion of the 1-1 region 110 is formed by the 1-2 perforated line 111. is divided, and while the 2-1 region 210 is separated from the 2-2 region 220, a portion of the 2-1 region 210 is divided by the 2-2 perforated line 221. , The outer container portion 20 may be formed.

8 is a flow chart of a manufacturing method of a refillable container according to a second embodiment of the present invention, and FIG. 9 is a first mother body part, a second mother body portion, and a third mother body portion of a refillable container according to a second embodiment of the present invention. 10 is a plan view showing the shape of the cap body, and FIG. 10 is a perspective view showing a state in which the first and second cap bodies of the refillable container overlap each other according to the second embodiment of the present invention.

Hereinafter, a detailed description may be omitted to the extent that it overlaps with the above description.

8 to 10, it is located between the 1-1 region 110 of the first mother body portion 100 and the 2-1 region 210 of the second mother body portion 200 A third mother body preparation step, which is a step of preparing the third mother body portion 300 constituting a part of the outer container portion 20, may be further included.

For example, the third mother body part preparation step may be performed between the second mother body part preparation step and the mother body positioning step. In this case, the third mother body portion may be formed separately from the first mother body portion and the second mother body portion.

However, the order in which the third mother body preparation step is performed is not limited thereto, and the third mother body portion is integrally formed with the first mother body portion, so that the third mother body portion preparation step is simultaneously performed in the first mother body portion preparation step, or the second mother body portion preparation step is performed simultaneously. The third mother body is integrally formed in the mother body so that the third mother body preparation step is simultaneously performed in the second mother body preparation step, or the third mother body is integrally formed in each of the first mother body and the second mother body to form the first mother body. The third mother body preparation step may be performed simultaneously in both the mother body portion preparation step and the second mother body portion preparation step.

However, the order in which the third mother body preparation step is performed is not limited thereto and may be modified in a method widely known to those who normally practice the present invention.

For example, when the third mother body preparation step is included, the mother body positioning step overlaps not only the first mother body portion 100 and the second mother body portion 200 but also the third mother body portion 300 with each other to press the device It may be a step of locating it at a predetermined position within.

For example, the third mother body portion may be formed to correspond to a portion to which a lot of force is applied in the press step.

For example, as shown in (a) of FIG. 9 , when the third mother body is further connected to each of the first mother body and the second mother body, the third mother body provided in the first mother body and The third mother body parts provided in the second mother body portion may be arranged to cross each other.

For example, as shown in (b) of FIG. 9, the third mother body connected to the first mother body overlaps the first mother body, and the third mother body connected to the second mother body overlaps the second mother body. Then, as shown in FIG. 10 , the first mother body and the second mother body may be overlapped so that each of the overlapping third mother bodies is staggered at positions facing each other.

For example, a method for connecting the third mother body to each of the first mother body and the second mother body may use an adhesive as an example, but is not limited thereto, and a connection method commonly known to those practicing the present invention may be used. there is.

For example, the third parent body part may be integrally formed with the first mother body portion, the second mother body portion, or both the first mother body portion and the second mother body portion.

For example, when the first mother body and/or the third mother body are integrally formed, a series of processes for connecting the second mother body and the third mother body can be omitted, thereby simplifying the process.

A third perforation line exists in the third mother body portion, so that a portion of the third mother body portion is separated in the press process to form a part of the outer container portion.

For example, the third matrix portion 300 may include a 3-1 area 310 having a rectangular shape and a 3-2 area 320 protruding from the rectangular shape in a convex shape.

The 3-1 area 310 and the 3-2 area 320 may be divided by a perforated line.

During the press process, the 3-2 area 320 is separated from the 3-1 area 310, and the 3-2 area 320 may become part of the outer container part.

FIG. 11 illustrates the shapes of the first, second and third main body parts of the refillable container according to the third embodiment of the present invention.

Hereinafter, a detailed description may be omitted to the extent that it overlaps with the above description.

Referring to FIG. 11 , when at least one third mother body portion 300 is formed on the second mother body portion 200, at least one third mother body portion is folded so as to overlap with the second mother body portion, and the third mother body portion The first mother body portion and the second mother body portion may be folded so as to overlap each other so as to be provided between the first mother body portion and the second mother body portion. At this time, the folding line may be a center line formed between the first mother body portion and the second mother body portion.

For example, at least one third mother body portion may be formed in the first mother body portion 100 .

In this case, after folding at least one or more third mother body parts to overlap the first mother body portion, the first mother body portion and the second mother body portion may be folded so that the third mother body portion is positioned between the first mother body portion and the second mother body portion. .

At this time, the folding line may be a center line formed between the first mother body portion and the second mother body portion.

12 is a plan view showing the shapes of first to third parent bodies of a refillable container according to a fourth embodiment of the present invention.

Hereinafter, a detailed description may be omitted to the extent that it overlaps with the above description.

Referring to FIG. 12, a 1-2 perforation line 111 is formed in the 1-1 area 110 to be biased to one side, and a 2-2 perforation line 111 is formed at the center of the pressing area in the 2-1 area 210. (211) may be formed.

In addition, the 1-3 cutting line 131 may be formed in the 1-1 area 110 and the 2-3 cutting line 231 may be formed in the 2-2 area 210 .

As a specific example, the 1-2nd perforated line 111 may be formed in the longitudinal direction to be biased toward one side L3a between the middle side L1a and the one side side L3a.

In addition, the 1-2nd perforated line 111 may be formed in the longitudinal direction to be biased toward the middle side L1a between the middle side L1a and the other side L3b.

In addition, the 1-3 perforated line 131 is connected to the one side L3a and the middle side L1a at the shortest distance, and may be connected to the lower end of the 1-2 perforated line 111 .

In addition, the 1-3 perforated line 131 is connected to the middle side L1a and the other side L3b at the shortest distance, and may be connected to the lower end of the 1-2 perforated line 111 .

As a specific example, the 2-2 perforated line 211 is formed between the second side edge L3c on one side and the second side edge L1c in the middle, and between the second side edge L1c in the middle and the second side edge L3d on the other side. can be formed

In addition, the 2-3 cutting line 231 may be connected to the second side edges L3c, L1c, and L3d by the shortest distance and may be connected to the lower end of the 2-2 cutting line 211.

Since the shape of the perforation line formed in the first cap body part and the second cap body part are different, the seam in the outer accommodating part may be formed biased to one side.

In the accompanying drawings, in order to more clearly express the technical idea of the present invention, components that are not related to or detached from the technical idea of the present invention are briefly expressed or omitted.

In the above, the configuration and characteristics of the present invention have been described based on the embodiments according to the present invention, but the present invention is not limited thereto, and various changes or modifications can be made within the spirit and scope of the present invention. It is apparent to those skilled in the art, and therefore such changes or modifications are intended to fall within the scope of the appended claims.

10: inner container part 11: dispenser part
20: outer container part

Claims (9)

an inner container unit providing an inner receiving space, which is a predetermined inner space, so that fluid is accommodated therein;
a dispenser unit connected to the opening of the inner container unit to discharge the fluid present in the first accommodating space to the outside; and
An outer container unit connected to the dispenser unit so that at least a portion of the dispenser unit is exposed to the outside and providing an external accommodating space that is a predetermined space so that the inner container unit is disposed inside,
The outer container part,
Formed by pressing the first mother body and the second mother body in an overlapping state,
refillable container.
According to claim 1,
The outer container part,
Formed by pressing the first mother body and the second mother body so that a portion of the first mother body overlaps the second mother body and the remaining portion of the first mother body does not overlap the second mother body,
refillable container.
According to claim 2,
The first mother body,
A 1-1 area and a 1-2 area are divided by a 1-1 cutting line, and a 1-2 cutting line is formed in the 1-1 area so that the 1-1 area is cut,
The second mother body,
A 2-1 area and a 2-2 area are divided by a 2-1 cutting line, and a 2-2 cutting line is formed in the 2-1 area so that the 2-1 area is cut,
The outer container part,
In the process of pressing the first mother body and the second mother body,
While the 1-1 region is separated from the 1-2 region, the first mother body portion of the 1-1 region is cut by the 1-2 cutting line,
Formed while the 2-1 region is separated from the 2-2 region and the second parent body of the 1-2 region is cut by the 2-2 cutting line,
refillable container.
According to claim 1,
The outer container part,
A first outer container member and a second outer container member connected to one side of the first outer container member,
The second outer container member,
Forming the outer accommodating space while being connected to the first outer container member by folding the connection portion of the first outer container member and the second outer container member,
refillable container.
According to claim 1,
The inner container part,
made of plastic material,
refillable container.
An inner container portion preparation step, which is a step of preparing an inner container portion that provides an inner accommodating space that is a predetermined inner space to accommodate a fluid;
a first mother body preparation step, which is a step of preparing a first mother body portion in which a 1-1 area and a 1-2 area are divided by a 1-1 perforation line;
a second mother body preparation step in which a second mother body portion is prepared in which a 2-1 region and a 2-2 region are divided by a 2-1 perforation line;
a mother body positioning step in which the first mother body and the second mother body are overlapped with each other and positioned at a predetermined position in a press device;
The first and second parent bodies are pressed by the press device, so that the 1-1 area is separated from the 1-2 area and the 2-1 area is separated from the 2-2 area. A press step, which is a step of forming an outer container part; and
A container coupling step in which the inner container portion is covered by the outer container portion;
A method for manufacturing a refillable container.
According to claim 6,
The first mother body,
A 1-2 cutting line is formed in the 1-1 region so that the 1-1 region is cut,
The second mother body,
A 2-2 cutting line is formed in the 2-1 area so that the 2-1 area is cut,
In the press step,
As the 1-1 region is separated from the 1-2 region, the 1-1 region is also cut along the 1-2 cutting line, and the 2-1 region is separated from the 2-2 region. Simultaneously pressing the first mother body and the second mother body so that the 2-1 region is also cut along the 2-2 perforation line,
A method for manufacturing a refillable container.
According to claim 6,
A third mother body preparation step, which is a step of preparing a third mother body located between the 1-1 region of the first mother body and the 2-1 region of the second mother body; further comprising,
A method for manufacturing a refillable container.
According to claim 8,
a fluid filling step of filling the inner container with a fluid; and
Further comprising a dispenser unit connection step, which is a step of connecting a dispenser unit to the inner container unit filled with the fluid.
A method for manufacturing a refillable container.

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