JP3203076U - Packaging structure - Google Patents

Abstract

To provide a packaging structure in which a glass fiber sheet base layer is applied as a main body of a beverage packaging, and which can overcome the disadvantages existing in packaging products of conventional tetra-pack packaging materials. A wrapping material structure includes a glass fiber sheet base layer, a first barrier layer, and a sealing layer. The glass fiber sheet base layer 1 has a first bonding surface 11 and a second bonding surface 12 facing the first bonding surface 11. The first barrier layer 2 is provided on the first coupling surface 11. The sealing layer 3 is provided on the second coupling surface 12. The packaging container adopting the present invention can greatly improve its durability and practicality. [Selection] Figure 1

Description

  The present invention relates to a food packaging material, and more particularly to a packaging structure to which a glass fiber sheet underlayer is applied.

  In the field of food packaging, Tetra Pak (registered trademark) material packaging products are easy to hold and can preserve the nutrition and taste of food at room temperature, and can be crushed to reduce volume after drinking. Great progress has been made. Currently, many beverages on the market (for example, beverages such as milk, juice, tea, etc.) employ Tetra Pak materials as packaging. In other words, Tetra Pak is closely related to our lives.

  Tetra Pak packaging materials are mainly composed of paper, aluminum foil, and polyethylene. Generally, they are not collected and reused after being used, but are transferred to a collection mechanism so that they can be incinerated. Is. Therefore, there is a risk of causing air pollution and an increase in the volume of dust, which causes environmental problems and cannot meet the environmental protection requirements.

  In light of the above-mentioned deficiencies and unmet requirements for packaging products in which Tetra Pak packaging materials are often used, we have proposed specific improvement methods based on the future trend of protecting the ecological environment. There is a need to provide more technology and effective choices.

(Problems to be solved by the device)
The main object of the present invention is to provide a packaging structure in which a base layer of a glass fiber sheet is applied as a main body of a beverage packaging, and which can overcome the drawbacks existing in packaging products of conventional tetrapack packaging materials.

(Means for solving the problem)
In order to achieve the above object, the present invention employs the following technical means. A glass fiber sheet underlayer having a first bonding surface and a second bonding surface opposite to the first bonding surface, the packaging material structure used for food and beverage packaging, and the first bonding Provided is a packaging structure including a first barrier layer provided on a surface and a sealing layer provided on the second bonding surface.

  Furthermore, the present invention provides a packaging container for containing food, beverages or anything related thereto, which is produced using the packaging structure.

(Effect of device)
The present invention uses a glass fiber sheet underlayer instead of cardboard as the main structure of the packaging structure of food and beverage, and provides excellent strength (for example, tensile strength and breaking strength) provided by the glass fiber sheet underlayer itself. Etc.) can prevent the size of the packaging material structure from becoming unstable in the case of printing, cutting, processing work and application, and further improve the quality (including durability, storability, etc.) of the packaging container produced. Can be made.

It is a structure schematic diagram of the packaging material structure which concerns on 1st Example of this invention. It is a structure schematic diagram of the packaging material structure which concerns on 2nd Example of this invention. It is a schematic diagram of the packaging container of this invention.

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

[First embodiment]
FIG. 1 is a structural schematic diagram of a preferred embodiment of the present invention. The present invention is a packaging structure used for a food or beverage packaging container (for example, tetra pack, milk pack, etc.) mainly including a glass fiber sheet base layer 1, a first barrier layer 2, and a sealing layer 3. 100. Referring to FIG. 1, the glass fiber sheet base layer 1 has a first bonding surface 11 and a second bonding surface 12 that face each other. The first barrier layer 2 is provided on the first bonding surface 11, and the sealing layer 3 is provided on the second bonding surface 12. Next, detailed features and performance of each layer will be described.

  As shown in FIG. 1, the glass fiber sheet base layer 1 is a main body of the packaging material structure 100, and by including at least one glass fiber sheet, the strength and toughness of the entire packaging material structure 100 can be maintained. As a preferable design, the thickness of the glass fiber sheet base layer 1 is at least 0.05 mm to 3.0 mm. Since the glass fiber sheet base layer 1 has properties such as high strength, high elasticity, low distortion and high weather resistance, the size of the packaging structure 100 in the case of printing, cutting, processing work and application becomes unstable. And it can prevent that it breaks and can improve the quality of a packaging container greatly. Further, the glass fiber sheet base layer 1 may be calendered so that the surface structure thereof becomes denser according to different manufacturing processes and finished product quality requirements.

  The first barrier layer 2 may be formed from plastic on the first bonding surface 11 of the glass fiber sheet base layer 1 by a plastic extruder, and function to block moisture and bacteria. In the present embodiment, the plastic of the first barrier layer 2 may be polyethylene (Polyethylene: PE), polyethylene terephthalate (PET), polylactic acid (PLA), etc., but the present invention is not limited to this. It is not limited to. The thickness of the first barrier layer 2 may be determined by the type of food or beverage to be packaged. For example, the plastic of the first barrier layer 2 may be biaxially stretched polypropylene (OPP) having excellent heat resistance and rigidity, or non-axially stretched polypropylene (CPP) having excellent sealing properties and adhesion. Further, in consideration of the light shielding effect by the packaging material structure 100, a black or dark material may be used as the material of the first barrier layer 2.

  Similarly, the sealing layer 3 may be formed from plastic on the second bonding surface 12 of the glass fiber sheet base layer 1 by a plastic extruder so that the food or beverage is completely sealed. In this embodiment, the plastic of the sealing layer 3 may be polyethylene (Polyethylene: PE), polyethylene terephthalate (PET), polylactic acid (PLA), or the like, but the present invention is not limited thereto. It is not something that can be done. The thickness of the sealing layer 3 may be determined depending on the type of food or beverage to be packaged.

[Second Embodiment]
FIG. 2 is a structural schematic diagram of another preferred embodiment of the present invention. The difference from the first embodiment is as follows. The packaging material structure 100 of this example further includes a second barrier layer 4 provided between the glass fiber sheet base layer 1 and the sealing layer 3, and the second barrier layer 4 is made of light (ultraviolet light), air. And an effect of blocking bacteria and the like, and may be an aluminum foil layer, but is not limited thereto. The thickness of the second barrier layer 4 may be determined depending on the type of food or beverage to be packaged.

  In this embodiment, the first barrier layer 2 is formed on the first bonding surface 11 of the glass fiber sheet base layer 1 by a plastic extruder. Further, the second barrier layer 4 is bonded by the first adhesive layer 5. Specifically, the first adhesive layer 5 is fixed by bonding the back surface of the second barrier layer 4 to the second bonding surface 12 of the glass fiber sheet base layer 1 through the first adhesive layer 5. Thus, it is formed between the second barrier layer 4 and the glass fiber sheet base layer 1. Similarly, the sealing layer 3 is bonded by the second adhesive layer 6. Specifically, the second pressure-sensitive adhesive layer 6 is sealed so that the back surface of the sealing layer 3 is bonded and fixed to the outer surface of the second barrier layer 4 via the second pressure-sensitive adhesive layer 6. And the second barrier layer 4.

  By the way, the material of the first adhesive layer 5 and the second adhesive layer 6 may be the same or different. For example, each of the first adhesive layer 5 and the second adhesive layer 6 may be a polyethylene (PE) layer or a polyurethane (PU) layer.

  FIG. 3 is a structural schematic diagram of the packaging container of the present invention. The packaging container B is mainly manufactured by using the packaging material structure 100 of the present invention, and its manufacturing method is well known to those skilled in the art and is omitted here. The packaging container B is used to contain various foods and beverages instead of the traditional packaging containers (for example, Tetra Pak, milk pack, etc.). The sealing layer 3 is located in the innermost layer, and the first barrier layer 2 is located in the outermost layer. The surface of the first barrier layer 2 may be printed with characters such as product names, trademarks, product production areas, ingredients, and corresponding patterns depending on the type of food or beverage to be packaged.

  As described above, the present invention uses a glass fiber sheet underlayer instead of cardboard as the main structure of a food or beverage packaging structure, and provides excellent strength (for example, the glass fiber sheet underlayer itself) , Tensile strength and breaking strength, etc.) can prevent the structure size of packaging materials from becoming unstable and damaged in the case of printing, cutting, processing operations and applications, and the quality of the packaging container produced. (Including durability and storage properties) can be improved.

  In addition, since this packaging base material can be repeatedly used for the production of various molded containers after being collected, and the service life of the facility can be extended by reducing the volume of garbage, the present invention is Suitable for environmental protection requirements.

  The above description is only an embodiment of the present invention, and does not limit the scope of the utility model registration request of the present invention. All variations and modifications equivalents made by those skilled in the art without departing from the spirit and scope of the present invention shall belong to the claims of utility model registration of the present invention.

B packaging container 100 packaging material structure 1 glass fiber sheet base layer 11 first bonding surface 12 second bonding surface 2 first barrier layer 3 sealing layer 4 second barrier layer 5 first adhesive layer 6 second Adhesive layer

Claims (12)

A packaging structure used for food and beverage packaging,
A glass fiber sheet base layer having a first bonding surface and a second bonding surface facing the first bonding surface;
A first barrier layer provided on the first coupling surface;
And a sealing layer provided on the second coupling surface.   The packaging material structure according to claim 1, wherein the first barrier layer is a polyethylene layer, a polypropylene layer, a polyethylene terephthalate layer, or a polylactic acid layer.   The packaging material structure according to claim 2, wherein the first barrier layer is a biaxially stretched polypropylene layer or a non-axially stretched polypropylene layer.   The packaging structure according to claim 1, wherein the sealing layer is a polyethylene layer, a polypropylene layer, a polyethylene terephthalate layer, or a polylactic acid layer.   The packaging material structure according to claim 1, wherein the glass fiber sheet base layer has a thickness of 0.05 mm to 3.0 mm.   The packaging structure according to claim 1, wherein the first barrier layer is black or dark.   The packaging material structure according to claim 1, further comprising a second barrier layer provided between the glass fiber sheet base layer and the sealing layer.   The packaging material structure according to claim 7, wherein the second barrier layer is an aluminum foil layer.   The packaging material structure according to claim 7, further comprising a first adhesive layer provided between the glass fiber sheet base layer and the second barrier layer.   The packaging material structure according to claim 9, further comprising a second adhesive layer provided between the second barrier layer and the sealing layer.   The packaging material structure according to claim 10, wherein each of the first adhesive layer and the second adhesive layer is a polyethylene layer or a polyurethane layer.   It is a packaging container used for packaging of food and drink, Comprising: The packaging container characterized by being produced using the packaging material structure of Claim 1.

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