Paper-based composite sheet paper bottle bag body container

Abstract

A paper-based composite sheet paper bottle bag body container comprises a container body and a mouth portion, the paper bottle bag body container comprises an upper portion body and a lower portion body, the edge of the upper portion body and the edge of the lower portion body are connected in a heat sealing mode, and the upper portion body and the lower portion body form a bottle body or a bag body after being connected in a heat sealing mode. The lower portion of the bottle body or the bag body is connected through sheets to form an oval or round bottle bottom upright, the upper portion body, the lower portion body and the bottom sheet are all made of paper-based composite sheets, and each paper-based composite sheet comprises a paper-based layer and a heat-seal bonding layer arranged on the inner side of the paper-based layer. The upper part body, the lower part body and the outer wall of the mouth part are heated and hot-melted to form a seal by means of the heat-seal bonding layer, and the bottle body and the bottom sheet are heated and hot-melted to form a bottom seal by means of the heat-seal bonding layer. The use amount of glass and plastic is greatly reduced, more than 80% of carbon emission is reduced, sealing is firm, leakage prevention and light shielding are achieved, the barrier performance is good, a large amount of storage and transportation cost can be reduced for enterprises, and the product cost of the enterprises is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the packaging field relates to a kind of paper bottle bag body made of paper-based composite material. BACKGROUND

[0002] Market investigation and patent search, the current market wine (especially red wine bottle, fruit wine bottle), beverage, high-end edible oil, soy sauce, daily chemical product basically adopts glass or plastic bag, glass and plastic bag high carbon dioxide emission, especially glass bottle, produce a large amount of sulfur dioxide in production process. More and more do not adapt to the environmental protection requirement of country;And glass bottle body is heavy, and transportation cost is high, and occupies a large amount of storage space, and breakage is easy to hurt person, and glass bottle needs to be cleaned before use. Paper bottle bag body container can solve the above glass defects, carbon emission is lower than glass bottle by more than 80%, and weight is 5-10 times lighter than traditional glass bottle, and it can be recycled. Carbon emission problem has been paid more and more attention by various governments, and the European Union is more stringent in carbon emission, and many high carbon emission products have been prohibited or increased high tariff, therefore, we develop a kind of paper bottle bag body container of paper-based composite material, which can reduce the influence of carbon emission on the global. SUMMARY

[0003] The utility model wants to solve the technical problem to provide a kind of paper bottle bag body container of paper-based composite sheet, its characterized in that: including container body and mouth, the paper bottle bag body container includes upper body and lower body, the upper body and lower body edge heat sealing connection, the upper body and lower body heat sealing connection form bottle body or bag body, the bottle body or bag body lower surface has sheet connection and forms oval or circular bottle bottom straight, the upper body, lower body and bottom sheet are all made of paper-based composite sheet, the paper-based composite sheet includes paper-based layer and the heat sealing adhesive layer arranged in the inner side of paper-based layer, the upper body and lower body and the outer wall of mouth are fused to form sealing by the heat sealing adhesive layer, the bottle body and bottom sheet are fused to form bottom sealing by the heat sealing adhesive layer.

[0004] In one or more embodiments of the utility model, the mouth is integrally formed of PE material;The manufacturing material of the heat sealing adhesive layer is PE, ethylene copolymer or CPP material.

[0005] In one or more embodiments of the utility model, the outer side of the paper-based layer is provided with any one or multiple layers of adhesive layer, metal film layer and printing layer.

[0006] In one or more embodiments of the utility model, a bonding layer, an aluminum foil layer, a bonding layer, a high barrier layer and a bonding layer are arranged between the inner side of the paper-based layer and the heat sealing adhesive layer.

[0007] In one or more embodiments of the utility model, the thickness ratio of the paper base layer, the bonding layer, the aluminum foil layer, the bonding layer, the high barrier layer, the bonding layer, and the heat-seal bonding layer is 100 to 500: 1 to 20: 5 to 8: 1 to 20: 5 to 30: 1 to 20: 20 to 100.

[0008] In one or more embodiments of the utility model, the outer side of the mouth portion has a reinforced fusion extension, and the surface of the reinforced fusion extension is integrated with the heat-seal bonding layer.

[0009] In one or more embodiments of the utility model, the heat-seal bonding layer has a heat fusion temperature of 120 to 361 DEG C between the upper body and the lower body and the reinforced fusion extension, and the heat-seal temperature is adjusted according to different composite materials and thicknesses.

[0010] Compared with the background art, the utility model has the effects that: by using the above technical scheme, the use amount of glass and plastic is greatly reduced, carbon emissions are reduced by more than 80%, the seal is firm, leakage and light are prevented, the barrier performance is good, a large amount of storage and transportation costs can be reduced for enterprises, and product costs can be reduced for enterprises. It can be widely used for packaging of wine, beverages, condiments, and the like, and therefore, it has superior performance in terms of technology, practicability, and economy. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 FIG. 1 is a structural schematic view of a paper bottle bag made of a paper base composite material according to an embodiment of the utility model;

[0012] Figure 2 FIG. 2 is a structural schematic view of a paper bottle bag made of a paper base composite material according to another embodiment of the utility model;

[0013] Figure 3 FIG. 3 is a structural schematic view of a paper bottle bag made of a paper base composite material according to another embodiment of the utility model; Figure 1 FIG. 4 is a structural schematic view of the paper bottle bag along line A-A;

[0014] Figure 4 FIG. 5 is a cross-sectional structural schematic view of a paper base composite sheet in a paper bottle bag body container according to an embodiment of the utility model;

[0015] Figure 5 FIG. 6 is a cross-sectional structural schematic view of a paper base composite sheet in a paper bottle bag body container according to another embodiment of the utility model;

[0016] Figure 6 FIG. 7 is a cross-sectional structural schematic view of a paper base composite sheet in a paper bottle bag body container according to another embodiment of the utility model;

[0017] Those skilled in the art can understand the solutions from the shapes, configurations and understandings shown in the drawings, the various components of the drawings are not necessarily in proportion, and the sizes of the various components and elements of the drawings can be enlarged or reduced so as to more clearly illustrate the embodiments of the present application described herein. DETAILED DESCRIPTION

[0018] The embodiments of the present application are described in detail below, and the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout.

[0019] The orientation shown in the drawings should not be understood as limiting the specific protection scope of the present application, but only for the understanding of the preferred embodiments, and the position of the product components shown in the drawings can be changed or the number can be increased or the structure can be simplified.

[0020] The "connection" described in the specification and the components shown in the drawings "connected" to each other can be understood as fixedly connected or detachably connected or integrally connected; it can be directly connected or connected through an intermediate medium, and those skilled in the art can understand the connection relationship according to the specific circumstances and can derive that the connection is replaced by screwing or riveting or welding or clamping or embedding in different embodiments.

[0021] The orientation words such as up, down, left, right, top, bottom and the like described in the specification and shown in the drawings, the components can be directly contacted or contacted through other features between them; such as above can be directly above and obliquely above, or it only means higher than others; other orientations can be similarly understood. The following further describes the specific embodiments of the present application in conjunction with the drawings of the specification, so that the technical scheme of the present application and its beneficial effects are more clear and explicit.

[0022] The following reference Figures 1-4 The specific examples are described below, however, those skilled in the art will easily understand that the detailed description given herein with respect to these drawings is only for illustrative purposes, and should not be understood as limiting, the embodiments provide a paper-based composite paper bottle bag container, comprising a container body 1 and a mouth part 2, the paper bottle bag container 1 comprises an upper body 11 and a lower body 12, the upper body 11 and the lower body 12 are heat-sealed at the edge 13, the upper body 11 and the lower body 12 are both made of paper-based composite sheet, the paper-based composite sheet comprises a paper-based layer 111 and a heat-seal adhesive layer 112 arranged on the inner side of the paper-based layer, the upper body and the lower body and the outer wall of the mouth part 2 are heat-fused to form a seal by means of the heat-seal adhesive layer 112.

[0023] The mouth part 2 is integrally formed of PE material; the heat-seal adhesive layer is made of PE, ethylene copolymer or CPP material.

[0024] like Figure 5 As shown, the outer side of the paper base layer 111 is provided with any one or multiple layers of adhesive layer 113, metal film layer 114 and printing layer 115.

[0025] Furthermore, such as Figure 6 As shown, the inner side of the paper base layer 111 and the heat-sealing adhesive layer 112 are provided with any one or multiple layers of adhesive layer 116, aluminum foil layer 117, adhesive layer 118, high barrier layer 119, and adhesive layer 120.

[0026] The thickness ratio of the paper base layer 111, adhesive layer 116, aluminum foil layer 117, adhesive layer 118, high barrier layer 119, adhesive layer 120 and heat-sealing adhesive layer 112 is 100 to 500: 1 to 20: 5 to 8: 1 to 20: 5 to 30: 1 to 20: 20 to 100.

[0027] In the above implementation, the high-barrier layer 119 can be made of VMPET film, aluminized BOPP, aluminized PE, aluminized CPP, silica PET film, alumina PET film, alumina BOPP film, silica BOPP film, PVDC nylon film, or a multilayer co-extruded material layer. The co-extruded material can be any combination of PE, PA, EVOH, and TIE;

[0028] In different embodiments, the adhesive layer between the high barrier layer 119 and the heat-sealing adhesive layer 112 is made of any one or any combination of PE, AE, EMAA, EAA, AC agent, and adhesive, wherein the adhesive is glue.

[0029] In different embodiments, to make the heat seal more secure, the outer side of the nozzle 2 has a reinforcing weld extension 21, the surface of which is integral with the heat-sealing adhesive layer 112; the heat-sealing adhesive layer 112 makes the heat-sealing temperature of the upper body 11 and the lower body 12 with the reinforcing weld extension 21 between 120 and 361°C.

[0030] In different embodiments, the outer side of the paper base layer 111 is provided with a printing layer, a printing cold foil layer and a printing laser cold transfer layer or a metal film layer, or an adhesive layer, and the inner side is provided with an adhesive layer, an aluminum foil layer, an adhesive layer, a high barrier layer and a heat-sealing adhesive layer; the adhesive layer is made of any one or any combination of PE, AE, EMAA, EAA, AC agent and adhesive; the high barrier layer is any one of VMPET film, aluminized BOPP, aluminized PE, aluminized CPP, silica PET film, alumina PET film, PVDC coated PET film, BOPP film, alumina BOPP film, silica BOPP film, PVDC coated BOPP film, PA film, PVDC nylon film or multilayer co-extruded material layer.

[0031] The metal film layer is an aluminum foil layer or a laser film or an aluminized film; the thickness ratio of the paper base layer, the adhesive layer, the high barrier layer, the adhesive material layer, the bonding layer is 100 to 500: 1 to 20: 5 to 8: 1 to 20: 5 to 30: 1 to 20: 20 to 100; the thickness of the paper base layer is 0.1 to 0.5 mm.

[0032] In summary, the application uses a paper base layer, which greatly reduces the use of plastic, is energy-saving and environmentally friendly, and forms a seal by heating and melting the outer wall of the upper body 11, the lower body 12 and the mouth 2 through the heat-sealing bonding layer 112, so that the seal is firm, light and leakage are prevented by the high barrier layer 119, and the barrier performance is good. It can be widely used for packaging food, sauce, daily chemical products and the like, and therefore, it has superior performance in terms of technology, practicability and economy.

[0033] For the purpose of illustration, the foregoing description uses specific nomenclature to provide a thorough understanding of the described embodiments. However, it will be apparent to one of ordinary skill in the art that the specific details are not required in order to practice the described embodiments. The skilled person should understand that the present application is not limited to the specific embodiments described above, and that improvements and substitutions of techniques known in the art based on the present application all fall within the scope of protection of the present application, which should be defined by the claims.

Claims

1. A paper-based composite sheet paper bottle bag body container, characterized by: The paper bottle bag container comprises a container body and a mouth, the paper bottle bag container body comprises an upper body and a lower body, the upper body and the lower body are heat-sealed at the edges, the upper body and the lower body are heat-sealed to form a bottle body or a bag body, the bottle body or the bag body is connected with a sheet below to form an oval or circular bottle bottom to stand upright, the upper body, the lower body and the bottom sheet are all made of a paper-based composite sheet, the paper-based composite sheet comprises a paper-based layer and a heat-sealing adhesive layer arranged on the inner side of the paper-based layer, the upper body and the lower body and the outer wall of the mouth are heat-melted to form a seal by means of the heat-sealing adhesive layer, and the bottle body and the bottom sheet are heat-melted to form a bottom seal by means of the heat-sealing adhesive layer.

2. A paper-based composite sheet paper bottle bag body container according to claim 1, characterized by: The mouth is integrally formed of PE material; and the heat-sealing adhesive layer is made of PE, ethylene copolymer or CPP material.

3. A paper-based composite sheet paper-sack-body container according to claim 2, characterized in that: The outer side of the paper-based layer is provided with any one or multiple layers of an adhesive layer, a metal film layer and a printing layer.

4. A paper-based composite sheet paper-sack body container according to claim 3, characterized in that: The inner side of the paper-based layer and the heat-sealing adhesive layer are provided with any one or multiple layers of an adhesive layer, an aluminum foil layer, an adhesive layer and a high-barrier layer.

5. A paper-based composite sheet paper-sack-body container according to claim 4, characterized in that: The thickness ratio of the paper-based layer, the adhesive layer, the aluminum foil layer, the adhesive layer, the high-barrier layer, the adhesive layer and the heat-sealing adhesive layer is 100 to 500: 1 to 20: 5 to 8: 1 to 20: 5 to 30: 1 to 20: 20 to 100.

6. A paper-based composite sheet paper-sack-body container according to claim 5, characterized in that: The thickness of the paper-based layer is 0.1 to 0.5 mm.

7. A paper-based composite sheet paper-sack body container according to any one of claims 1-6, characterized in that: The outer side of the mouth is provided with a reinforced fusion extension, the surface of the reinforced fusion extension is integrated with the heat-sealing adhesive layer; and the mouth is connected with a cover.

8. A paper-based composite sheet paper-sack-body container according to claim 7, characterized in that: The heat-melting temperature of the heat-sealing adhesive layer for the upper body and the lower body and the reinforced fusion extension is between 120 and 361 DEG C, and the heat-sealing temperature is adjusted according to different composite materials and thicknesses.

Images