KR102510005B1 - Apparatus and method for manufacturing eco-friendly containers using fallen leaves, and eco-friendly container thereof - Google Patents

Abstract

According to the present disclosure, disclosed is a method for manufacturing eco-friendly containers using fallen leaves, including the steps of: preparing pulverized fallen leaves; mixing and dissolving the fallen leaves and waste paper with water, adding 5 to 70 % by weight of the fallen leaves to a pulp solution in which waste paper is dissociated at a concentration of 0.5 to 4 % with respect to water, and mixing the same; adding an additive to the dissolved pulp solution and then mixing the same; making a pulp solution under predetermined conditions by stirring and diluting the pulp solution into which the additive is added; and molding and drying a pulp mold by putting the pulp solution under predetermined conditions into a mold and molding the same.

Description

Eco-friendly container manufacturing apparatus and method using fallen leaves {APPARATUS AND METHOD FOR MANUFACTURING ECO-FRIENDLY CONTAINERS USING FALLEN LEAVES, AND ECO-FRIENDLY CONTAINER THEREOF}

Disclosed embodiments relate to an eco-friendly container manufacturing apparatus and method using fallen leaves and an eco-friendly container.

Fallen leaves from roadside trees make people feel elegant, but fallen leaves that fall to the ground and are left unattended can damage the aesthetics of a city, block drainage channels, impede drainage of sudden rain, and cause slippery road surfaces. It can be. In addition, fallen leaves floating in rivers may adversely affect water quality, and fallen leaves accumulated in mountains and fields may prevent rainwater from being absorbed into the soil, resulting in a lack of groundwater.

The above-mentioned fallen leaves may incur a lot of cost and emit fine dust when disposed of, such as landfill or incineration.

Republic of Korea Patent Publication No. 10-2012-0045101 (2012. 05. 09.)

Disclosed embodiments are intended to provide an eco-friendly container manufacturing apparatus and method using fallen leaves and an eco-friendly container that can create an eco-friendly container using fallen leaves, which are waste resources.

In addition, the disclosed embodiments are to enable separate discharge in a recyclable state when discharging an eco-friendly container.

An eco-friendly container manufacturing method using fallen leaves according to an embodiment includes preparing crushed fallen leaves; Mixing and dissolving the fallen leaves and waste paper with water, adding and mixing the fallen leaves at a weight ratio of 5 to 70% in a pulp solution in which the waste paper is dissociated at a concentration of 0.5 to 4% with respect to water; Adding an additive to the dissolved pulp solution and then mixing; Generating a pulp solution under predetermined conditions by stirring and diluting the pulp solution into which the additive is added; and molding and drying the pulp mold by putting the pulp solution under the predetermined conditions into a mold and molding the pulp solution.

According to one embodiment, the waste paper may include at least one or more of waste corrugated cardboard (O.C.C.), waste newspaper (O.N.P.), waste printing paper (C.P.O.), and other papers.

According to one embodiment, in the step of preparing the crushed fallen leaves, the fallen leaves include broad-leaved trees and conifers, or include ginkgo leaves, broad-leaved trees and conifers, and the size of the crushed fallen leaves may be 0.1 to 20 mm.

According to one embodiment, in the mixing step after adding the additive to the mixed pulp solution, the additive includes a curing agent including an adhesive and a reinforcing agent, a waterproofing agent, and a cellulose nanofiber powder, and bubbles when mixing When it occurs, an antifoaming agent may be further included as the additive.

According to one embodiment, the step of generating a pulp solution of the predetermined conditions, the step of stirring the pulp solution into which the additive is introduced; And adding water to the stirred and mixed pulp solution to obtain a pulp solution diluted to a preset concentration, the preset concentration may include a concentration of 2 ~ 5wgt%.

According to one embodiment, in the step of molding and drying the pulp mold, the pulp solution under the predetermined conditions may be introduced into the mold and then adsorbed and molded through air and vacuum.

According to one embodiment, the molding and drying of the pulp mold may include: pressing, dehydrating, and primary shaping and drying the pulp solution under the predetermined conditions with heat of 200 to 400 ° C; And after the primary molding and drying process, repeatedly performing a predetermined number of compression and drying processes with a mold heated to 150 to 350 ° C continuously, wherein the pressure for compression is 10 to 40 Kgf / cm ² may be included.

According to one embodiment, after drying the pulp mold, the manufacturing method of the eco-friendly container using the fallen leaves may further include cutting the pulp mold to complete the body of the container.

According to one embodiment, after the step of completing the body of the container, the eco-friendly container manufacturing method using the fallen leaves, adheres the film paper to one surface of the completed body of the container, but a part of the edge area of the film paper A step of forming a protruding shape from one side of the body portion may be further included, and an adhesive layer containing a pressure-sensitive adhesive may be formed in a bonding area between the body portion of the container and the film paper.

An apparatus for manufacturing an eco-friendly container using fallen leaves according to an embodiment mixes and dissolves fallen leaves and waste paper with water, and puts the fallen leaves into a pulp solution in which the waste paper is dissociated at a concentration of 0.5 to 4% with respect to water, based on a weight ratio of 5 crushing unit for mixing by inputting at ~70%; A mixing unit for generating a pulp solution under predetermined conditions by adding additives to the dissolved pulp solution and then mixing them, and stirring and diluting the mixed pulp solution with water; And a molding and drying unit for forming a container by molding and drying the pulp mold by putting the pulp solution under the predetermined conditions into the mold and molding it.

An eco-friendly container using fallen leaves according to an embodiment is formed of pulp containing 30 to 70% by weight of fallen leaves and 30 to 70% by weight of waste paper, and includes a body portion including a receiving groove for accommodating a specific object; And a film sheet including a detachable function formed on one surface of the body portion.

According to one embodiment, the eco-friendly container using the fallen leaves may further include an adhesive layer formed between the body portion and the film paper, and the adhesive layer may include a pressure-sensitive adhesive.

According to one embodiment, the film sheet may be formed in a form in which a portion of the edge area protrudes from one side surface of the body portion.

According to one embodiment, the container may have at least one of a warming function and a cooling function.

According to the disclosed embodiments, it is possible to form an eco-friendly container using fallen leaves, and an effect of reducing separate costs for discarding fallen leaves can be expected.

In addition, the disclosed embodiments can prevent causes of environmental pollution, including fine dust and carbon emissions, which may occur during incineration of fallen leaves.

In addition, the disclosed embodiments separate the body part using fallen leaves from the film paper when discharging the eco-friendly container so that the part using fallen leaves can be separated and discharged in a recyclable state, and thus waste disposal can also be performed in an environmentally friendly manner. that it can

In addition, an eco-friendly container manufactured according to the disclosed embodiments may have higher tensile strength, tear resistance, and water resistance than containers manufactured using general pulp.

In addition, an eco-friendly container manufactured according to the disclosed embodiments may have better biodegradability than a container manufactured using general pulp.

Effects of the invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a view for schematically explaining a method for manufacturing an eco-friendly container using fallen leaves according to an embodiment.
2 is an exemplary view of the configuration of an eco-friendly container manufacturing apparatus using fallen leaves according to an embodiment.
3 is an operation flow chart of a method for manufacturing an eco-friendly container using fallen leaves by the apparatus for manufacturing an eco-friendly container according to an embodiment.
4 to 6 are views for illustratively explaining an eco-friendly container manufactured using fallen leaves according to an embodiment.
7 is a view for illustratively explaining the waterproofing ability of an eco-friendly container manufactured using fallen leaves according to an embodiment.
8 is a view for explaining an apparatus for manufacturing an eco-friendly container to which film paper is adhered according to an embodiment by way of example.
9 and 10 are views for explaining examples of a state in which film paper is adhered according to an embodiment.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The detailed descriptions that follow are provided to provide a comprehensive understanding of the methods, devices and/or systems described herein. However, this is only an example and the present invention is not limited thereto.

In describing the embodiments of the present invention, if it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of a user or operator. Therefore, the definition should be made based on the contents throughout this specification. Terminology used in the detailed description is only for describing the embodiments of the present invention and should in no way be limiting. Unless expressly used otherwise, singular forms of expression include plural forms. In this description, expressions such as "comprising" or "comprising" are intended to indicate any characteristic, number, step, operation, element, portion or combination thereof, one or more other than those described. It should not be construed to exclude the existence or possibility of any other feature, number, step, operation, element, part or combination thereof.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view for schematically explaining a method for manufacturing an eco-friendly container using fallen leaves according to an embodiment.

Referring to FIG. 1, a method for manufacturing an eco-friendly container using fallen leaves according to an embodiment includes a collection step of fallen leaves (110), a raw material preparation step (120), a forming step (130), a drying step (140), and a cutting step (150). may include at least some of them.

The step of collecting fallen leaves 110 includes, but is not limited to, an operation of collecting fallen leaves left on the floor, and may include, for example, an operation of collecting fallen leaves floating in a river. In addition, the step of collecting fallen leaves 110 may include an operation of removing foreign substances by washing the collected fallen leaves. In this regard, leaves may be washed using a washing liquid such as water or detergent, but the scope of the present disclosure is not limited thereto, and various washing techniques may be used, such as washing by injecting gas.

In addition, the step of collecting fallen leaves 110 may include an operation of crushing fallen leaves, but the scope of the present disclosure is not limited thereto. there is.

According to one embodiment, the fallen leaves to be collected in the fallen leaves collecting step 110 may be fallen leaves of street trees including plane trees. According to one embodiment, the fallen leaves to be collected in the fallen leaves collection step 110 may include broad-leaved trees and coniferous trees. According to an embodiment, the fallen leaves to be collected in the fallen leaves collection step 110 may include ginkgo leaves, broad-leaved trees, and conifers.

However, fallen leaves to be collected in the present disclosure are not limited to these examples.

The raw material preparation step 120 may include preparing raw materials optimized for box packaging by mixing fallen leaves, pulp, and chemicals corresponding to oil and moisture (hereinafter referred to as “additives” for convenience of description). According to one embodiment, at least some of the pulp for raw material preparation may correspond to one or more of waste paper, imitation paper, and waste paper, or may be produced based on one or more of waste paper, imitation paper, and waste paper. In relation to this, waste paper may include at least one of waste corrugated cardboard (O.C.C.), waste newspaper (O.N.P.), waste printing paper (C.P.O.), and other papers. In relation to this, other papers may include domestic mixed waste paper, and domestic mixed waste paper is printed on white paper including A4 paper and letter envelopes, general imitation paper including waste paper such as art paper, flyers and flyers, and light gray white paper. Off-white imitations including unfinished waste paper, magazines including waste paper such as magazines and flyers, full-gang paper including yellow heavy paper as the remnant of bound books, grounding including yellow heavy paper with the bond removed from bound books, Mixed waste paper including boxes and other papers (divided into boxes, feed bags, and other mixed papers), old books including books from old paper, manila including waste paper such as snack boxes and white cardboard, and newspaper waste It may include paper packs including newspapers and paper packs such as milk packs and beverage packs.

In addition to that, "waste paper" can be understood as a broad concept that includes various types of papers whose usability has decreased.

Forming step 130 may include an operation of manufacturing a pulp molded product in a desired shape by putting a raw material into a mold. In this regard, the mold into which the raw material is put may include a mold made of a metal material, but is not limited thereto, and may include a mold made of a non-metal material or a mold made by mixing a metal material and a non-metal material depending on the embodiment. there is. However, hereinafter, for convenience of description, an embodiment in which a mold into which raw materials are put corresponds to a mold will be described.

The drying step 140 may include a process of sterilizing at high temperature and pressure while firmly maintaining the shape at high temperature and pressure.

In addition, for convenience of description, the molding step 130 and the drying step 140 are shown as separate operations, but molding and drying may be performed simultaneously, for example, by pressing the raw material with a heated mold. In addition, at least some of the plurality of operations described as separate steps in the present disclosure may be performed simultaneously or in parallel, or may be substantially performed as one operation.

For convenience of description, the molding step 130 and the drying step 140 are shown as being performed one by one, but the scope of the present invention is not limited thereto, and depending on the embodiment, the molding step 130 and the drying step ( 140) may be performed a plurality of times. In addition, when at least one of molding and drying is performed a plurality of times, a specific method of performing the molding may be determined differently for each repetition of the molding. For example, according to one embodiment of the present disclosure, primary molding and drying are performed by maintaining a temperature between 200 and 400 degrees for the raw material, and then, secondary molding is performed by pressing with a mold heated to 150 to 350 degrees. and drying.

The cutting step 150 may include cutting the completed pulp mold. The shape of the container to be manufactured can be completed through the cutting operation. For example, the body of the container may be completed through a cutting operation. The finished body may be formed of, for example, pulp containing 30 to 70% by weight of fallen leaves and 30 to 70% by weight of waste paper, and may include a receiving groove for accommodating a specific object, but this is one part of the completed eco-friendly container. It is only an example and the scope of the present invention is not limited thereto.

In addition, the finished container may have at least one of warming and cooling functions, but the scope of the present invention is not limited thereto.

According to one embodiment, the cutting step 150 may further include various types of operations for completing the container, in addition to measuring or cutting the completed pulp mold to fit the size, for example, by assembling a plurality of elements It may further include at least one of completing the shape of the container, coating at least a portion of the container, attaching film paper (ex. PET film) to at least a portion of the container, and painting at least a portion of the container. there is.

In addition, various examples may exist, such as depositing aluminum in the cutting step 150 or after the cutting step 150 to improve the function of the container.

The eco-friendly container manufacturing method using fallen leaves according to an embodiment may be performed by an eco-friendly container manufacturing apparatus using fallen leaves (corresponding to 200 in FIG. It is not limited to eco-friendly container manufacturing apparatus using. For example, the above-described leaf collecting step 110 may be performed by a natural person who operates the device or may be performed by a department related to a local government.

A more detailed description of the eco-friendly container manufacturing method using fallen leaves will be described later in FIG. 3 and the like.

2 is an exemplary view of the configuration of an eco-friendly container manufacturing apparatus using fallen leaves according to an embodiment.

Referring to FIG. 2 , the method of manufacturing an eco-friendly container using fallen leaves according to the present disclosure may be performed by the apparatus 200 for manufacturing an eco-friendly container according to an embodiment. An eco-friendly container manufacturing apparatus 200 according to an embodiment may include at least one of a crushing unit 210, a mixing unit 220, and a molding and drying unit 230.

The shredding unit 210 may process one or more tasks including at least some of the operations of step 110 described above in FIG. 1 . For example, the shredder 210 may process fallen leaves. In relation to this, the shredding unit 210 according to one example mixes and dissolves fallen leaves and waste paper with water, and dissolves the fallen leaves in a pulp solution in which waste paper is dissociated at a concentration of 0.5 to 4% with respect to water, based on a weight ratio of 5 to 70 It can be mixed by adding % (see 302 in FIG. 3).

The mixing unit 220 may process one or more tasks including at least some of the operations of step 120 described above with reference to FIG. 1 . For example, the mixing unit 220 may handle an operation of preparing raw materials by mixing leaves, pulp, and chemicals corresponding to oil and moisture. In relation to this, the mixing unit 220 according to an example may generate a pulp solution under preset conditions by adding additives to the dissolved pulp solution, mixing, stirring, and diluting the mixed pulp solution with water (Fig. See also 303 and 304 of 3).

The forming and drying unit 230 may process one or more operations including at least some of the operations of step 130 described above with reference to FIG. 1 . For example, the molding and drying unit 230 performs at least one of a molding process of putting raw materials into a mold to produce a pulp mold product in a desired shape and a drying process of maintaining the shape firmly with high temperature and pressure and disinfecting with high heat pressure. can be done In relation to this, the molding and drying unit 230 according to an example may form a container by molding and drying a pulp mold by putting a pulp solution under a predetermined condition into a mold and molding (see 305 of FIG. 3 ).

Operations related to the method for manufacturing an eco-friendly container using a series of fallen leaves according to various embodiments may be implemented by a single physical device or may be implemented by organically combining a plurality of physical devices. For example, some of the components included in the eco-friendly container manufacturing apparatus 200 using fallen leaves may be implemented by one physical device, and the remaining components may be implemented by other physical devices. For example, one physical device may be implemented as a part of the shredding unit 210, and another physical device may be implemented as a part of the forming and drying unit 230 or other external devices. In some cases, each of the components included in the eco-friendly container manufacturing apparatus 200 are distributed and arranged in different physical devices, and the distributed components are organically combined to function of the eco-friendly container manufacturing apparatus 200. And it may be implemented to perform an operation. For example, the molding and drying unit 230 of the present specification includes at least one sub device, and some operations described as being performed by the molding and drying unit 230 are performed by a first sub device, and some other operations are performed by the first sub device. may be performed by the second sub device.

3 is an operation flow chart of a method for manufacturing an eco-friendly container using fallen leaves by the apparatus for manufacturing an eco-friendly container according to an embodiment.

Referring to FIG. 3 , an eco-friendly container manufacturing apparatus (corresponding to 200 in FIG. 2 ) according to an embodiment prepares pulverized fallen leaves (301). The process of preparing the pulverized fallen leaves may be performed by the eco-friendly container manufacturing device directly pulverizing the fallen leaves, or may be performed by collecting or transporting the already pulverized fallen leaves.

According to one embodiment, the size of the crushed fallen leaves may have a value between 0.1 and 20 mm.

The operation of reference numeral 301 may be related to the operation of reference numeral 110 in FIG. 1 .

The eco-friendly container manufacturing apparatus mixes pulverized fallen leaves and waste paper with water (302). Specifically, in the eco-friendly container manufacturing apparatus according to an embodiment, fallen leaves may be added to a pulp solution in which waste paper is dissociated at a concentration of 0.5 to 4% with respect to water at a weight ratio of 5 to 70% and mixed.

The eco-friendly container manufacturing apparatus generates a raw material by adding additives to the dissolved pulp solution and then mixing them (303). The additives may include one or more chemicals, each of the one or more chemicals may be added to the pulp solution, or a mixture of one or more chemicals may be added to the pulp solution.

According to one embodiment, the additive may include a curing agent including at least one of an adhesive and a reinforcing agent. According to one embodiment, the additive may include a waterproofing agent. According to one embodiment, the additive may include cellulose nanofiber powder. According to one embodiment, the additive may include an antifoaming agent. As such, additives may include various types of drugs depending on what effect is desired to be achieved.

By adding a curing agent, the paper's paper power (ex. tensile strength) can be improved, by adding a waterproofing agent, the waterproofing ability of the container can be improved, and by adding cellulose nanofiber powder, the container's waterproofing ability, heat resistance (tear resistance) and biodegradation At least one of the properties can be improved, and foam generation can be reduced during mixing by adding an antifoaming agent. In addition, depending on which chemicals are included in the additives, preparation of raw materials is facilitated, the performance of manufactured containers (eg durability, heat resistance and water resistance) is improved, or the safety of manufactured containers (eg biodegradability or harm to the body) is improved. component removal, etc.) can have effects such as improving, various types of additives can be mixed depending on the desired effect.

The eco-friendly container manufacturing apparatus adjusts the concentration by adding water to dilute the raw material (304). Specifically, the eco-friendly container manufacturing apparatus creates a pulp solution under predetermined conditions by stirring and diluting the pulp solution into which the additive is added with water. More specifically, the eco-friendly container manufacturing apparatus according to an embodiment may obtain a pulp solution diluted to a predetermined concentration by stirring the pulp solution into which the additive is added and adding water to the stirred and mixed pulp solution, Thus, the preset concentration may include a concentration of 2 to 5wgt%.

According to one embodiment, the stirring operation is performed by introducing the pulp solution into the stirring tank, and the solution may be diluted to a concentration corresponding to a preset condition by introducing the stirred pulp solution into a supply tank capable of continuously supplying water. However, this is an example, and the stirring and dilution operations do not necessarily have to be performed in stages or in separate tanks.

Operations of reference numerals 302, 303 and 304 may be related to operation of reference numeral 120 in FIG. Meanwhile, for convenience of explanation, the operations of reference numerals 302, 303, and 304 have been separately described, but at least some of the operations of reference numerals 302, 303, and 304 are performed in the same physical device (eg, the mixing unit 220 of FIG. 2). Furthermore, at least some of the operations of reference numerals 302, 303 and 304 may be performed simultaneously, together or in parallel.

In the environmentally friendly container manufacturing apparatus, the pulp solution is put into a mold to be molded and dried (305). Although it is expressed as being put into a mold for convenience of description, it has been described above that the mold into which the raw material is put may include a mold made of a non-metallic material or a mold made by mixing a metal material and a non-metal material, depending on the embodiment.

The eco-friendly container manufacturing apparatus may mold and dry a pulp mold by molding a pulp solution under predetermined conditions. More specifically, the eco-friendly container manufacturing apparatus may perform a molding operation by injecting a pulp solution under a predetermined condition into a mold and then adsorbing it through air and vacuum.

According to an example, the eco-friendly container manufacturing apparatus first forms and dries the pulp solution under predetermined conditions by pressing, dehydrating, and heat at 200 to 400 ° C., and after the first molding and drying process, continuously heated at 150 to 350 ° C. It is possible to repeatedly perform the pressing process and the drying process for a predetermined number of times with the mold. In addition, in relation to molding and drying, an example of a pressure for compression may include 10 to 40 Kgf/cm ² .

These temperature and pressure ranges include conditions in which durability, appearance, and waterproofness were excellently derived through experiments, but the scope of the present disclosure is not limited to these temperature and pressure ranges.

Operation 305 may be related to operations 130 and 140 of FIG. 1 .

Experimental examples of the manufacturing method of an eco-friendly container using fallen leaves according to the present disclosure are described in Table 1 below. As shown in the example shown in Table 1, when the leaf mixture ratio is 30% (Experiment 2) and 50% (Experiment 3), higher tensile strength than when the leaf mixture ratio is 0% (Experiment 1), It can be confirmed that tear resistance and flexural strength can be obtained.

Experiment 1 experiment 2 Experiment 3 waste paper material sexagenary cycle
(white pulp paper) sexagenary cycle
(white pulp paper) sexagenary cycle
(white pulp paper) Mixing ratio of fallen leaves 0% 30% 50% leaf size - 0.5mm 0.5mm Tensile strength (kN/m) 7.33 8.57 8.33 Tear resistance (mN) 1860 4200 4708 Flexural strength (MPa) 14.7 4.46 3.96

An example of a completed eco-friendly container is described in FIGS. 4 and 5 . Referring further to FIG. 4, an upper end of an eco-friendly container manufactured according to the method of the present disclosure is shown (400). Further referring to FIG. 5 , an interior exposed by opening an upper end of an eco-friendly container manufactured according to the method of the present disclosure is shown (500). 4 and 5, in one example of an eco-friendly container, the upper and lower ends have a shape corresponding to each other and are placed in contact with each other so that the inside is sealed, and there are parts connected or adhered to each other between the upper and lower ends, so that the corresponding part By rotating the upper end on the axis, the upper end may be opened and the container may include a shape in which the inside is exposed.

Another example of a completed eco-friendly container is described in FIG. 6 . Referring further to FIG. 6 , upper and lower ends of an eco-friendly container manufactured according to the method of the present disclosure are shown ( 600 ). As in the example of FIG. 6 , an example of an eco-friendly container may include a container in which upper and lower ends are completely separable without portions connected or adhered to each other.

Another example of a completed eco-friendly container is described in FIG. 7 . Referring further to FIG. 7 , the interior of an eco-friendly container manufactured according to the method of the present disclosure is shown (700). When the eco-friendly container has a shape as shown in the example of FIG. 7 , items having a spherical shape, such as eggs or golf balls, can be easily accommodated.

In addition, in the example of FIG. 7 , it can be confirmed that the eco-friendly container has excellent waterproof power, such as maintaining its shape and function without significant damage even when water is introduced therein. In this regard, the waterproofing ability may be measured based on the water absorption rate of the pulp, but the waterproofing ability measurement method is not limited thereto.

Returning to FIG. 3 again, according to one embodiment, the eco-friendly container manufacturing apparatus may attach film paper to at least a portion of the container (306). Specifically, the apparatus for manufacturing an eco-friendly container according to an embodiment may adhere film paper to at least some of the surfaces of the body of the container.

The film paper can prevent contamination of the inside of the container or provide a waterproof function. For example, the film paper can prevent the container from directly contacting the liquid when liquid such as sauces is buried inside the container. However, the role of the film paper is not limited to such contamination prevention or waterproof function.

According to one embodiment, the film sheet may include a detachable function. That is, the film sheet may be attached to one side of the body, then detached as needed, and in some cases may be reattached after desorption. By making the film paper detachable, if the film is contaminated without direct contamination of the container, the film paper can be detached and the container reused. Furthermore, when the container is discharged later, the film paper is removed and discarded and the container is recycled to secure economic feasibility. and can contribute to environmental protection.

When the film paper is attached to the body, an adhesive layer may be formed in a bonding area between the film paper and the body. Depending on the embodiment, the adhesive layer between the film sheet and the body may include a pressure-sensitive adhesive, or the adhesive layer may be formed based on the pressure-sensitive adhesive.

Referring further to FIG. 8 , an example of an eco-friendly container to which film paper is adhered according to the method of the present disclosure is shown (800). In this regard, reference numeral 810 may correspond to an eco-friendly container, and reference numeral 820 may correspond to film paper attached to one surface of the container body. As can be seen in the illustration of the upper left and upper right portions of the film paper 820, the film paper 820 may be detachable as needed, and in some cases, a function or shape for facilitating detachment may be further provided.

Further referring to FIGS. 9 and 10 , examples of how film sheets are adhered according to the method of the present disclosure are shown. In relation to this, reference numeral 910 corresponds to an eco-friendly container, reference numeral 920 corresponds to film paper attached to one surface of the container body, and reference numeral 930 refers to an adhesive (or adhesive layer, hereinafter referred to as an adhesive for convenience of explanation) part may correspond to

9 corresponds to an example in which the environmentally friendly container 910 and the film paper 920 are adhered to each other while having the same length. On the other hand, FIG. 10 corresponds to an example in which the film paper 920 is adhered to each other while having a longer length than the eco-friendly container 910 (see “A” in FIG. 10). When the film paper is adhered as shown in FIG. 10, since a part of the edge area of the film paper 920 protrudes from one side of the body, it is easier for the user to hold the protruding part and detach the film paper 920 as needed. can do.

That is, the example of FIG. 10 may be understood as an example in which a function or shape for facilitating detachment of the film paper is further provided.

Although representative embodiments of the present invention have been described in detail above, those skilled in the art will understand that various modifications are possible to the above-described embodiments without departing from the scope of the present invention. . Therefore, the scope of the present invention should not be limited to the described embodiments and should not be defined, and should be defined by not only the claims to be described later, but also those equivalent to these claims.

200: Eco-friendly container manufacturing device
210: crushing unit
220: mixing unit
230: molding and drying unit
810, 910: eco-friendly container
820, 920: film paper
930: glue

Claims (18)

Preparing crushed fallen leaves;
Mixing and dissolving the fallen leaves and waste paper with water, adding and mixing the fallen leaves at a weight ratio of 5 to 70% in a pulp solution in which the waste paper is dissociated at a concentration of 0.5 to 4% with respect to water;
Adding an additive to the dissolved pulp solution and then mixing;
Generating a pulp solution under predetermined conditions by stirring and diluting the pulp solution into which the additive is added; and
Including the step of molding and drying the pulp mold by putting the pulp solution under the predetermined conditions into a mold and molding it,
In the step of molding and drying the pulp mold,
A method for manufacturing an eco-friendly container using fallen leaves, in which the pulp solution under the predetermined conditions is put into a mold and then adsorbed and molded through air and vacuum.
The method of claim 1,
The waste paper includes at least one of waste corrugated cardboard (OCC), waste newspaper (ONP), waste printing paper (CPO), and other paper, eco-friendly container manufacturing method using fallen leaves.
The method of claim 1,
In the step of preparing the crushed leaves,
The fallen leaves include broad-leaved trees and conifers, or include ginkgo leaves, broad-leaved trees and conifers,
The size of the pulverized leaves is 0.1 to 20 mm, an eco-friendly container manufacturing method using fallen leaves.
The method of claim 1,
In the step of mixing after adding the additive to the mixed pulp solution,
The additives include a curing agent including an adhesive and a reinforcing agent, a waterproofing agent, and a cellulose nanofiber powder,
When bubbles are generated during the mixing, a method for manufacturing an eco-friendly container using fallen leaves, further comprising an antifoaming agent as the additive.
The method of claim 1,
Generating the pulp solution under the predetermined conditions,
Stirring the pulp solution into which the additive is added; and
Adding water to the stirred and mixed pulp solution to obtain a diluted pulp solution to a predetermined concentration,
The preset concentration is an eco-friendly container manufacturing method using fallen leaves comprising a concentration of 2 to 5wgt%.
delete The method of claim 1,
Molding and drying the pulp mold,
Primary molding and drying of the pulp solution under the predetermined conditions by compression, dehydration, and heat at 200 to 400 ° C.; and
After the primary molding and drying process, repeatedly performing a predetermined number of pressing and drying processes with a mold heated to 150 to 350 ° C continuously,
The pressure for the compression is 10 to 40 Kgf / cm ² Method of manufacturing an eco-friendly container using fallen leaves.
The method of claim 1,
After drying the pulp mold,
Method for manufacturing an eco-friendly container using fallen leaves, further comprising the step of cutting the pulp mold to complete the body of the container.
The method of claim 8,
After completing the body of the container,
Further comprising the step of adhering the film paper to one side of the body portion of the completed container, wherein a part of the rim area of the film paper is formed in a form protruding from one side of the body portion,
An eco-friendly container manufacturing method using fallen leaves, wherein an adhesive layer containing a pressure-sensitive adhesive is formed in the bonding area of the body of the container and the film paper.
A crushing unit for dissolving crushed fallen leaves and waste paper by mixing them with water, adding and mixing the fallen leaves at a weight ratio of 5 to 70% in a pulp solution in which the waste paper is dissociated at a concentration of 0.5 to 4% with respect to water ;
A mixing unit for generating a pulp solution under predetermined conditions by adding additives to the dissolved pulp solution and then mixing them, and stirring and diluting the mixed pulp solution with water; and
Eco-friendly container manufacturing apparatus using fallen leaves, including a molding and drying unit for forming a container by molding and drying a pulp mold by putting the pulp solution under the predetermined conditions into a mold and molding.
The method of claim 10,
The waste paper includes at least one or more of waste corrugated cardboard (OCC), waste newspaper (ONP), waste printing paper (CPO), and other paper, eco-friendly container manufacturing apparatus using fallen leaves.
The method of claim 10,
The fallen leaves include broad-leaved trees and conifers, or include ginkgo leaves, broad-leaved trees and conifers,
The size of the crushed leaves is 0.1 to 20 mm, an eco-friendly container manufacturing apparatus using fallen leaves.
A body portion formed of pulp containing 30 to 70% by weight of fallen leaves and 30 to 70% by weight of waste paper, and including a receiving groove for accommodating a specific object; and
An eco-friendly container using fallen leaves, including film paper having a detachable function formed on one side of the body portion.
The method of claim 13,
Further comprising an adhesive layer formed between the body portion and the film paper,
The adhesive layer includes a pressure-sensitive adhesive, an eco-friendly container using fallen leaves.
The method of claim 13,
The film paper, an eco-friendly container using fallen leaves, in which a part of the edge area is formed in a form protruding from one side of the body portion.
The method of claim 13,
The waste paper is an eco-friendly container using fallen leaves, including at least one or more of waste corrugated cardboard (OCC), waste newspaper (ONP), waste printing paper (CPO), and other paper.
The method of claim 13,
The fallen leaves include broad-leaved trees and conifers, or include ginkgo leaves, broad-leaved trees and conifers,
The fallen leaves are eco-friendly containers using fallen leaves, including crushed fallen leaves having a size of 0.1 to 20 mm.
The method of claim 13,
The container is an eco-friendly container using fallen leaves having at least one of a warming and cooling function.

Images