Built-in liquid double-cavity packaging bag

Abstract

The utility model discloses a built-in liquid double-cavity packaging bag which comprises a bag body, an edge sealing film is integrally formed on the edge side of the bag body, a film opening is integrally formed in the head of the bag body, tearing grooves are formed in the two ends of the film opening, a first cavity and a second cavity are formed in the bag body, and the first cavity and the second cavity are communicated with each other. An isolating membrane is arranged between the first cavity and the second cavity, and a composite membrane bag is integrally formed on the bag body. According to the built-in liquid double-cavity packaging bag, synchronous liquid content filling can be achieved, the production efficiency is improved, a unique high-barrier isolation layer is arranged between the first cavity and the second cavity, two independent single liquid packaging bags which do not affect each other are formed by single bodies to be used for packaging and goods shelf selling and displaying, and the packaging bag is convenient to use. The phenomenon of mixing of double-cavity liquid contents is eradicated, two liquid content products can be poured out at the same time by opening the tearing opening, and the using convenience and experience of consumers are improved.

Description

Technical Field

[0001] The utility model relates to the field of packaging bags, in particular to an inner liquid double-chamber packaging bag. Background Technique

[0002] A packaging bag is a multi-layer composite high-barrier composite film bag, which makes it convenient to transport goods during the production and circulation process and easy to store. It is widely used in daily life and industrial production, and is convenient for packaging food and solutions. With the continuous development of technology, people's requirements for the manufacturing process of packaging bags are also getting higher and higher.

[0003] There are certain drawbacks in the use of existing packaging bags. First of all, the structure of existing packaging bags is relatively single, and usually only one kind of food or solution can be stored inside, which is not conducive to people's use. Also, when pouring out the materials inside the package, fingers may get contaminated and cannot be conveniently and quickly cleaned, bringing certain adverse effects to the actual use process. For this reason, we propose an inner liquid double-chamber packaging bag. Content of the Utility Model

[0004] Technical problems to be solved: Aiming at the deficiencies of the prior art, the utility model provides an inner liquid double-chamber packaging bag, which can realize synchronous filling of liquid contents, improve production efficiency, and has a unique high-barrier isolation layer between the first chamber and the second chamber. The monomer forms two independent and non-interfering monomer liquid packaging bags for packaging and shelf sales display, eliminating the mixing phenomenon of the liquid contents in the double chambers. Opening the tear opening can pour out two kinds of liquid content products at the same time, enhancing the convenience and experience of consumers in use, and can effectively solve the problems in the background technique.

[0005] Technical solution: To achieve the above purpose, the technical solution adopted by the utility model is: an inner liquid double-chamber packaging bag, including a bag body, a side seal film is integrally formed on the side of the bag body, a film mouth is integrally formed at the head of the bag body, tear slots are opened at both ends of the film mouth, a first chamber and a second chamber are arranged inside the bag body, an isolation film is arranged between the first chamber and the second chamber, and a composite film bag is integrally formed on the bag body.

[0006] Preferably, the composite film bag includes a PET base material printing layer, a first aluminum foil layer, a first PET layer and a first heat-sealing layer. The first PET layer is located on the surface of the first heat-sealing layer, the first aluminum foil layer is located on the surface of the first PET layer, and the PET base material printing layer is located on the surface of the first aluminum foil layer.

[0007] Preferably, the isolation film includes a second heat-sealing layer, a second aluminum foil layer, a second PET layer and a third heat-sealing layer. The second PET layer is located on the surface of the third heat-sealing layer, the second aluminum foil layer is located on the surface of the second PET layer, and the second heat-sealing layer is located on the surface of the second aluminum foil layer.

[0008] Preferably, a covering film is attached and positioned on the outer surface of the bag body, a tear-off film is connected to the end of the covering film, and a paper towel is arranged between the bag body and the covering film.

[0009] Preferably, the PET base material printing layer, the first aluminum foil layer, the first PET layer and the first heat-sealing layer are integrally formed by hot pressing.

[0010] Preferably, the second heat-sealing layer, the second aluminum foil layer, the second PET layer and the third heat-sealing layer are integrally formed by hot pressing.

[0011] Beneficial effects: Compared with the prior art, the present utility model provides an inner liquid double-chamber packaging bag, which has the following beneficial effects: This inner liquid double-chamber packaging bag can realize synchronous filling of liquid contents, improve production efficiency. The unique high-barrier isolation layer between the first chamber and the second chamber forms two independent monomer liquid packaging bags that do not affect each other for packaging and shelf display and sales, eliminating the mixing phenomenon of the double-chamber liquid contents. Opening the tear opening can pour out two liquid content products at the same time, improving the convenience and experience of consumers in use. It is a multi-layer composite high-barrier composite film bag, including a bag body. The bag body includes a heat-sealing layer. Various pattern information can be printed on the surface layer of the bag body. The structure of the bag body is the outermost PET base material printing layer, the middle layer AL, the third layer PET, and the inner heat-sealing layer; the material of the middle isolation layer is heat-sealing layer + AL + PET + heat-sealing layer, adopting an aluminum foil material structure, which has good light-shielding properties. The whole packaging bag has a simple structure, is convenient to operate, and has a better use effect than the traditional method. Description of the Drawings

[0012] Figure 1 It is a schematic diagram of the overall structure of an inner liquid double-chamber packaging bag of the present utility model.

[0013] Figure 2 It is a schematic diagram of the internal structure of an inner liquid double-chamber packaging bag of the present utility model.

[0014] Figure 3 It is a schematic diagram of the structure of the composite film bag in an inner liquid double-chamber packaging bag of the present utility model.

[0015] Figure 4 It is a schematic diagram of the structure of the isolation film in an inner liquid double-chamber packaging bag of the present utility model.

[0016] Figure 5 It is a schematic diagram of the structure of the covering film in an inner liquid double-chamber packaging bag of the present utility model.

[0017] In the figure: 1. Bag body; 2. Side-sealing film; 3. Tear groove; 4. Film opening; 5. Isolation film; 6. First cavity; 7. Second cavity; 8. Composite film bag; 9. PET substrate printing layer; 10. First aluminum foil layer; 11. First PET layer; 12. First heat-sealing layer; 13. Second heat-sealing layer; 14. Second aluminum foil layer; 15. Second PET layer; 16. Third heat-sealing layer; 17. Covering film; 18. Opening film. Detailed implementation mode

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and the detailed implementation mode. However, those skilled in the art will understand that the following described embodiments are some embodiments of the present invention, rather than all embodiments, and are only used to illustrate the present invention and should not be construed as limiting the scope of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention. Those not specified in the embodiments are carried out according to the conventional conditions or the conditions recommended by the manufacturer. Those reagents or instruments not specified by the manufacturer can be obtained as conventional products through commercial purchase.

[0019] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0021] As Figures 1-5As shown in the figure, an inner liquid double-chamber packaging bag includes a bag body 1. A side seal film 2 is integrally formed on the side of the bag body 1. A film mouth 4 is integrally formed at the head of the bag body 1. Tear slots 3 are provided at both ends of the film mouth 4. A first chamber 6 and a second chamber 7 are provided inside the bag body 1. An isolation film 5 is provided between the first chamber 6 and the second chamber 7. A composite film bag 8 is integrally formed on the bag body 1, which can realize synchronous filling of liquid contents and improve production efficiency. The unique high-barrier isolation layer between the first chamber and the second chamber forms two independent monomer liquid packaging bags that do not affect each other for packaging and shelf display, eliminating the mixing phenomenon of the double-chamber liquid contents. By opening the tear opening, two kinds of liquid content products can be poured out simultaneously, improving the convenience and experience of consumers in use.

[0022] Further, the composite film bag 8 includes a PET base material printing layer 9, a first aluminum foil layer 10, a first PET layer 11 and a first heat-sealing layer 12. The first PET layer 11 is located on the surface of the first heat-sealing layer 12. The first aluminum foil layer 10 is located on the surface of the first PET layer 11. The PET base material printing layer 9 is located on the surface of the first aluminum foil layer 10.

[0023] Further, the isolation film 5 includes a second heat-sealing layer 13, a second aluminum foil layer 14, a second PET layer 15 and a third heat-sealing layer 16. The second PET layer 15 is located on the surface of the third heat-sealing layer 16. The second aluminum foil layer 14 is located on the surface of the second PET layer 15. The second heat-sealing layer 13 is located on the surface of the second aluminum foil layer 14.

[0024] Further, a covering film 17 is attached and positioned on the outer surface of the bag body 1. An opening film 18 is connected to the end of the covering film 17. A paper towel is provided between the bag body 1 and the covering film 17.

[0025] Further, the PET base material printing layer 9, the first aluminum foil layer 10, the first PET layer 11 and the first heat-sealing layer 12 are integrally formed by hot pressing.

[0026] Further, the second heat-sealing layer 13, the second aluminum foil layer 14, the second PET layer 15 and the third heat-sealing layer 16 are integrally formed by hot pressing.

[0027] Working principle: The utility model comprises a bag body 1, an edge sealing film 2, a tearing groove 3, a film mouth 4, an isolation film 5, a first cavity 6, a second cavity 7, a composite film bag 8, a PET substrate printing layer 9, a first aluminum foil layer 10, a first PET layer 11, a first heat sealing layer 12, a second heat sealing layer 13, a second aluminum foil layer 14, a second PET layer 15, a third heat sealing layer 16, a covering film 17 and a lifting film 18. It is a multi-layer composite high barrier composite film bag, comprising a bag body, the bag body includes a heat sealing layer, and the surface of the bag body can be printed with various patterns and information. The bag body structure is an outermost PET substrate printing layer, an intermediate layer AL, a third layer PET, an inner layer heat sealing layer, and a plurality of layers of PET substrate printing layer. Sealing layer; the middle isolation layer is made of heat-sealing layer + AL + PET + heat-sealing layer, which can realize simultaneous filling of liquid contents and improve production efficiency. The unique high-barrier isolation layer between the first cavity and the second cavity forms two independent monomer liquid packaging bags that do not affect each other for packaging and shelf sales display, eliminating the mixing of the liquid contents of the two cavities. Opening the tear can pour out two liquid content products at the same time, which improves the convenience and experience of consumers. It adopts an aluminum foil material structure with good light-shielding properties. The covering film 17 covers the surface of the bag body 1, and paper towels can be placed inside, and the paper towels are taken out by opening the opening film 18.

[0028] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An inner liquid double-chamber packaging bag, comprising a bag body (1), characterized in that: A side seal film (2) is integrally formed on the side of the bag body (1). A film opening (4) is integrally formed at the head of the bag body (1). Tear slots (3) are formed at both ends of the film opening (4). A first cavity (6) and a second cavity (7) are arranged inside the bag body (1). An isolation film (5) is arranged between the first cavity (6) and the second cavity (7). A composite film bag (8) is integrally formed on the bag body (1).

2. The built-in liquid double-chamber packaging bag according to claim 1, characterized in that: The composite film bag (8) includes a PET substrate printing layer (9), a first aluminum foil layer (10), a first PET layer (11), and a first heat-sealing layer (12). The first PET layer (11) is located on the surface of the first heat-sealing layer (12). The first aluminum foil layer (10) is located on the surface of the first PET layer (11). The PET substrate printing layer (9) is located on the surface of the first aluminum foil layer (10).

3. The built-in liquid double-chamber packaging bag according to claim 1, characterized in that: The isolation film (5) includes a second heat-sealing layer (13), a second aluminum foil layer (14), a second PET layer (15), and a third heat-sealing layer (16). The second PET layer (15) is located on the surface of the third heat-sealing layer (16). The second aluminum foil layer (14) is located on the surface of the second PET layer (15). The second heat-sealing layer (13) is located on the surface of the second aluminum foil layer (14).

4. The built-in liquid double-chamber packaging bag according to claim 1, characterized in that: A covering film (17) is attached and positioned on the outer surface of the bag body (1). An opening film (18) is connected to the end of the covering film (17). A paper towel is arranged between the bag body (1) and the covering film (17).

5. The built-in liquid double-chamber packaging bag according to claim 2, wherein: The PET substrate printing layer (9), the first aluminum foil layer (10), the first PET layer (11), and the first heat-sealing layer (12) are integrally formed by hot pressing.

6. The built-in liquid double-chamber packaging bag according to claim 3, characterized in that: The second heat-sealing layer (13), the second aluminum foil layer (14), the second PET layer (15), and the third heat-sealing layer (16) are integrally formed by hot pressing.

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