Composite film heat-sealing packaging bag based on water-based heat-sealing adhesive

Abstract

The composite film heat-sealing packaging bag comprises a device body, the device body comprises a bottom film, a reinforcing connecting film and a top film, the bottom film, the reinforcing connecting film and the top film are all of a smooth transition and integrated machining forming structure, the reinforcing connecting film is located on the top of the bottom film, and the reinforcing connecting film is located on the top of the top film. The top film is positioned at the top of the reinforced connecting film; the reinforcing connecting film is of a square structure, the top and the bottom of the reinforcing connecting film are each provided with a plurality of sets of first embedded connecting grooves and second embedded connecting grooves which are transversely distributed at equal intervals, the first embedded connecting grooves are of a cross-shaped structure, and the second embedded connecting grooves are of a diamond-shaped structure. The device can effectively improve the pulling resistance of the composite film heat-sealing packaging bag and prevent the composite film heat-sealing packaging bag from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of composite film heat-sealing packaging, in particular to a composite film heat-sealing packaging bag capable of being based on water-based hot melt adhesive. Background Art

[0002] In the prior art, for the paper-plastic packaging used for medical device sterilization, its plastic film is usually formed by multi-layer co-extrusion and stretching of different plastic particles; or different plastic films are compounded by using composite glue. The most commonly used ones are plastic heat-sealing films of the PET / PE, PP / PE, PA / PE types, which are widely used for the sterilization packaging of medical devices, such as disposable medical masks, disposable syringes, infusion sets, medical gloves, medical dressings, etc. These a large number of waste packaging plastic films are difficult to recycle and cannot be degraded in the environment, causing pollution to the environment.

[0003] The existing composite film heat-sealing packaging bags have the following defects:

[0004] The existing composite film heat-sealing packaging bags have insufficient tensile strength and are easily damaged, resulting in poor quality of the packaging bags and affecting the packaging of products. Therefore, a solution needs to be given. Content of the Utility Model

[0005] (I) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a composite film heat-sealing packaging bag capable of being based on water-based hot melt adhesive to solve the problems raised in the above background art.

[0007] (II) Technical Solutions

[0008] To achieve the above object, the utility model is realized through the following technical solutions: A composite film heat-sealing packaging bag capable of being based on water-based hot melt adhesive, including a device body, the device body includes a bottom film, a reinforced connection film and a top film, the bottom film, the reinforced connection film and the top film are all of a smooth transition and integrally formed structure, the reinforced connection film is located on the top of the bottom film, and the top film is located on the top of the reinforced connection film; the reinforced connection film is in a square shape structure, and a number of groups of first embedding connection grooves and second embedding connection grooves are respectively arranged at the top and bottom of the reinforced connection film in a horizontally equidistant manner, the first embedding connection grooves are in a cross shape structure, and the second embedding connection grooves are in a rhombus shape structure.

[0009] Preferably, a number of groups of first embedding connection blocks and second embedding connection blocks are arranged at the top of the bottom film in a horizontally equidistant manner, the first embedding connection blocks are in a cross shape structure, the second embedding connection blocks are in a rhombus shape structure, an adhesive layer is arranged at the bottom of the bottom film, and a stone paper is arranged at the bottom of the adhesive layer.

[0010] Preferably, a plurality of groups of reinforcing ribs are provided on the top of the top film and are distributed at equal intervals horizontally, and a spray coating is sprayed on the top of the top film.

[0011] Preferably, reinforcing braided layers are provided inside the bottom film and the reinforcing connection film, and the reinforcing braided layers are in a mesh structure.

[0012] (III) Beneficial effects

[0013] The utility model provides a composite film heat-sealing packaging bag capable of being based on an aqueous hot-melt adhesive, having the following beneficial effects:

[0014] This kind of composite film heat-sealing packaging bag capable of being based on an aqueous hot-melt adhesive has high strength, can effectively improve the tensile resistance of the composite film heat-sealing packaging bag, prevent the composite film heat-sealing packaging bag from being damaged, and the layers of this kind of composite film heat-sealing packaging bag are connected in a tightly embedded manner, thereby preventing the occurrence of peeling and separation between the layers, and greatly improving the overall firmness of the composite film heat-sealing packaging bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the whole of the utility model.

[0016] In the figure, 1, device body; 2, bottom film; 3, reinforcing connection film; 4, top film; 5, first embedded connection groove; 6, second embedded connection groove; 7, first embedded connection block; 8, second embedded connection block; 9, adhesive layer; 10, reinforcing braided layer; 11, reinforcing rib; 12, stone paper; 13, spray coating. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figure 1 , the embodiments of the present utility model provide a technical solution: a composite film heat-sealing packaging bag capable of being based on an aqueous hot-melt adhesive, including a device body 1, the device body 1 includes a bottom film 2, a reinforcing connection film 3 and a top film 4, the bottom film 2, the reinforcing connection film 3 and the top film 4 are all in a smooth transition and integrally formed structure, the reinforcing connection film 3 is located on the top of the bottom film 2, and the top film 4 is located on the top of the reinforcing connection film 3;

[0019] It is solved that the reinforcing connection film 3 has a square structure. A number of groups of first embedding connection grooves 5 and second embedding connection grooves 6 are arranged at equal intervals horizontally at the top and bottom of the reinforcing connection film 3. The first embedding connection groove 5 has a cross-shaped structure, and the second embedding connection groove 6 has a rhombus-shaped structure. The first embedding connection grooves 5 and second embedding connection grooves 6 at the top of the reinforcing connection film 3 can facilitate the embedding of the first embedding connection blocks 7 and second embedding connection blocks 8 at the bottom of the top film 4, so as to achieve the purpose of connecting the reinforcing connection film 3 and the top film 4.

[0020] Furthermore, a number of groups of first embedding connection blocks 7 and second embedding connection blocks 8 are arranged at equal intervals horizontally at the top of the bottom film 2. The first embedding connection block 7 has a cross-shaped structure, and the second embedding connection block 8 has a rhombus-shaped structure. An adhesive layer 9 is provided at the bottom of the bottom film 2, and a stone paper 12 is provided at the bottom of the adhesive layer 9. The first embedding connection blocks 7 and second embedding connection blocks 8 at the top of the bottom film 2 can be embedded into the first embedding connection grooves 5 and second embedding connection grooves 6 at the bottom of the reinforcing connection film 2, further improving the connection stability between the bottom film 2 and the reinforcing connection film 3.

[0021] Differently, a number of groups of reinforcing ribs 11 are arranged at equal intervals horizontally at the top of the top film 4, and a spray coating layer 13 is sprayed on the top of the top film 4. The reinforcing ribs 11 on the top film 4 can improve the strength of the top film 4, and the spray coating layer 13 can protect the top film 4.

[0022] Effectively, reinforcing woven layers 10 are provided inside both the bottom film 2 and the reinforcing connection film 3. The reinforcing woven layer 10 has a mesh structure. The reinforcing woven layer 10 can improve the tensile properties of the bottom film 2 and the reinforcing connection film 3, preventing the overall from being torn.

[0023] Working principle: During operation, the first embedding connection grooves 5 and second embedding connection grooves 6 at the top of the reinforcing connection film 3 can facilitate the embedding of the first embedding connection blocks 7 and second embedding connection blocks 8 at the bottom of the top film 4, so as to achieve the purpose of connecting the reinforcing connection film 3 and the top film 4. The first embedding connection blocks 7 and second embedding connection blocks 8 at the top of the bottom film 2 can be embedded into the first embedding connection grooves 5 and second embedding connection grooves 6 at the bottom of the reinforcing connection film 2, further improving the connection stability between the bottom film 2 and the reinforcing connection film 3. The reinforcing woven layers 10 inside the bottom film 2 and the reinforcing connection film 3 can improve the tensile properties of the bottom film 2 and the reinforcing connection film 3, preventing the overall from being torn.

[0024] 1. Device body; 2. Bottom film; 3. Reinforcing connection film; 4. Top film; 5. First embedded connection groove; 6. Second embedded connection groove; 7. First embedded connection block; 8. Second embedded connection block; 9. Adhesive layer; 10. Reinforcing braided layer; 11. Reinforcing rib; 12. Stone paper; 13. Spray coating layer of the utility model. The components are all common standard components or components known to those skilled in the art. Their structures and principles can all be learned by those skilled in the art through technical manuals or by conventional experimental methods. The problem solved by the utility model is that the existing heat-sealed packaging bag made of composite film has insufficient tensile strength and is easily damaged, resulting in poor quality of the packaging bag and affecting the packaging of products. Through the mutual combination of the above components, the utility model can effectively improve the tensile resistance of the heat-sealed packaging bag made of composite film and prevent the heat-sealed packaging bag made of composite film from being damaged.

[0025] The foregoing has shown and described the basic principles, main features and advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the utility model, the utility model can be implemented in other specific forms. Therefore, in any regard, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0026] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A composite film heat-sealing packaging bag capable of being based on an aqueous hot-melt adhesive, characterized in that: It includes a device body (1), and the device body (1) includes a bottom film (2), a reinforcing connection film (3) and a top film (4). The bottom film (2), the reinforcing connection film (3) and the top film (4) are all of a smoothly transitioning and integrally formed structure. The reinforcing connection film (3) is located at the top of the bottom film (2), and the top film (4) is located at the top of the reinforcing connection film (3). The reinforcing connection film (3) is in a square shape structure. A plurality of groups of first embedding connection grooves (5) and second embedding connection grooves (6) are provided at both the top and the bottom of the reinforcing connection film (3) and are distributed in a horizontally equidistant manner. The first embedding connection groove (5) is in a cross shape structure, and the second embedding connection groove (6) is in a rhombus shape structure.

2. The composite film heat-sealing packaging bag capable of being based on an aqueous hot melt adhesive according to claim 1, wherein: A plurality of groups of first embedding connection blocks (7) and second embedding connection blocks (8) are provided at the top of the bottom film (2) and are distributed in a horizontally equidistant manner. The first embedding connection block (7) is in a cross shape structure, and the second embedding connection block (8) is in a rhombus shape structure. A glue layer (9) is provided at the bottom of the bottom film (2), and a stone paper (12) is provided at the bottom of the glue layer (9).

3. The composite film heat-sealing packaging bag capable of being based on the water-based hot melt adhesive according to claim 1, wherein: A plurality of groups of reinforcing ribs (11) are provided at the top of the top film (4) and are distributed in a horizontally equidistant manner. A spray coating layer (13) is sprayed on the top of the top film (4).

4. A composite film heat-sealed packaging bag capable of being based on an aqueous hot melt adhesive according to claim 1, characterized in that: Reinforcing woven layers (10) are provided inside both the bottom film (2) and the reinforcing connection film (3), and the reinforcing woven layers (10) are in a mesh structure.

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