Punching and separating embossed sheet

Abstract

The utility model provides a punching separation embossed sheet, and relates to the field of diaphragms, the punching separation embossed sheet comprises a diaphragm, the diaphragm comprises a PET layer, a first glue layer, an AL layer, a second glue layer, a release liquid layer and a CPP layer, the PET layer, the first glue layer, the AL layer, the second glue layer, the release liquid layer and the CPP layer are sequentially arranged from top to bottom, the CPP layer is provided with a laser die cutting line, and the laser die cutting line is arranged on the PET layer. The release liquid is coated on the composite layer of the heat-sealing inner film, so that the peel strength between the AL and the CPP layer is reduced, the heat-sealing layer is punched through by laser on the CPP layer, all parts except the CPP layer can be uncovered when the heat-sealing inner film is used, a hole for laser punching is reserved on the CPP layer, and a straw can be placed in the hole.

Description

Technical Field

[0001] The present application relates to the field of membranes, and in particular to a perforated separation embossed sheet. Background Art

[0002] Current bottled soft-sealed beverages require diaphragms for sealing. Currently commonly used diaphragms are provided in patent publication document CN104553213B. However, there is a problem with such diaphragms during use, namely, the beverage tube is not easy to puncture the diaphragm during the process. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a perforated separation embossed sheet, which can solve the technical problem that the membrane is not easily punctured during use.

[0004] An embodiment of the present application provides a perforated separation embossed sheet, including a membrane, wherein the membrane includes a PET layer, a first glue layer, an AL layer, a second glue layer, a release liquid layer, and a CPP layer, wherein the PET layer, the first glue layer, the AL layer, the second glue layer, the release liquid layer, and the CPP layer are arranged in sequence from top to bottom, and a laser die-cutting line is arranged on the CPP layer.

[0005] Preferably, a plurality of laser die-cutting lines may be provided.

[0006] Preferably, the diaphragm is one of a teardrop shape, a strip shape, a square shape, a circle shape, a rhombus shape, a triangle shape, a regular hexagon shape, and a regular octagon shape.

[0007] Preferably, the thickness of the diaphragm is 1-5 mm.

[0008] Preferably, patterns and / or texts are provided on the PET layer.

[0009] Beneficial effects of the utility model:

[0010] The utility model provides a perforated separation embossed sheet, comprising a film, wherein the film comprises a PET layer, a first glue layer, an AL layer, a second glue layer, a release liquid layer, and a CPP layer, wherein the PET layer, the first glue layer, the AL layer, the second glue layer, the release liquid layer, and the CPP layer are arranged in sequence from top to bottom, and a laser die-cutting line is arranged on the CPP layer. The utility model reduces the peeling strength between the AL layer and the CPP layer by coating the release liquid on the composite layer of the heat-sealed inner film, and uses a laser to punch through the heat-sealed layer on the CPP layer, so that all layers except the CPP layer can be uncovered during use, and holes punched by the laser are left on the CPP layer, and a straw can be placed in the hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a cross-sectional view of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the utility model.

[0014] The reference numerals are:

[0015] 1. PET layer; 2. First glue layer; 3. AL layer; 4. Second glue layer; 5. Release liquid layer; 6. CPP layer; 7. Laser die-cutting line. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0018] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0019] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0020] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0021] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] like Figure 1-2 As shown, a perforated separation embossed sheet comprises a film, wherein the film comprises a PET layer 1, a first glue layer 2, an AL layer 3, a second glue layer 4, a release liquid layer 5, and a CPP layer 6. The PET layer 1, the first glue layer 2, the AL layer 3, the second glue layer 4, the release liquid layer 5, and the CPP layer 6 are arranged in sequence from top to bottom, and a laser die-cutting line 7 is arranged on the CPP layer 6. The utility model reduces the peeling strength between the AL layer and the CPP layer 6 by coating the release liquid on the composite layer of the heat-sealed inner film, and uses a laser to penetrate the heat-sealed layer on the CPP layer 6, so that all layers except the CPP layer 6 can be uncovered during use, and holes punched by the laser will be left on the CPP layer 6, and a straw can be placed in the hole.

[0023] like Figure 1-2 As shown, in this embodiment, the laser die-cutting lines 7 may be provided in plurality. Specifically, the number and shape of the lines may be set according to requirements.

[0024] In the present embodiment, the diaphragm is one of a teardrop shape, a strip shape, a square shape, a circle shape, a rhombus shape, a triangle shape, a regular hexagon shape, and a regular octagon shape. Specifically, the shape can be selected according to the requirements.

[0025] In this embodiment, the thickness of the diaphragm is 1-5 mm, which can be selected according to specific needs.

[0026] In this embodiment, patterns and / or texts are provided on the PET layer 1 to facilitate publicity.

[0027] like Figure 2 As shown, the dotted line in the figure is the laser die cutting line 7.

[0028] The production process of the utility model is as follows: S1: printing the required pattern and text on the printed PET layer 1 to ensure that the ink does not fall off;

[0029] S2: Apply adhesive to the printed PET layer 1 and compound it with the AL layer 3, control the tension of the printed PET layer 1 to be F1, and the paper unwinding tension to be F2, and control the tension to be F2<F1, and naturally cure after compounding to reduce the influence of oven curing on the tension of the film structure;

[0030] S3: reducing the corona value by coating the corona surface of the CPP layer 6 with a release liquid layer 5;

[0031] S4: applying adhesive to the laminated printed PET layer 1 / AL layer 3 and laminating with the CPP layer 6 coated by S3, and then aging after lamination;

[0032] S5: After the aging, the film is punched through the CPP layer by laser, and corresponding holes are punched on the CPP layer to form laser die-cutting lines 7;

[0033] S6: Cut and punch the processed film according to the designed shape to form a membrane sheet.

[0034] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A perforated separation embossed sheet, characterized in that: The invention comprises a diaphragm, wherein the diaphragm comprises a PET layer, a first glue layer, an AL layer, a second glue layer, a release liquid layer and a CPP layer. The PET layer, the first glue layer, the AL layer, the second glue layer, the release liquid layer and the CPP layer are arranged in sequence from top to bottom, and a laser die-cutting line is arranged on the CPP layer.

2. A perforated separation embossed sheet according to claim 1, characterized in that: The laser die cutting lines may be provided in plurality.

3. The perforated separation embossed sheet according to claim 1, characterized in that: The diaphragm is one of a teardrop shape, a strip shape, a square shape, a circle shape, a rhombus shape, a triangle shape, a regular hexagon shape, and a regular octagon shape.

4. The perforated separation embossed sheet according to claim 1, characterized in that: The thickness of the membrane is 1-5 mm.

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