Multi-layer co-extrusion embossing bag convenient to vacuumize
By creating airflow channels through embossing on the lower film, the problem of inconvenient vacuuming operations was solved, resulting in better vacuuming performance.
Patent Information
- Application Number
- CN202423275416.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-28
AI Technical Summary
The existing co-extruded pleated bag film design makes vacuuming inconvenient, hinders air venting, and affects the vacuuming effect.
Embossing is applied to the lower film. During vacuuming, the embossing presses against the upper film to form an airflow channel, facilitating exhaust.
It improves the convenience and effectiveness of vacuuming.
Smart Images
Figure CN223631172U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to packaging material technical field especially, it relates to a multilayer co -extrusion presss the bag of easy to draw vacuum. BACKGROUND
[0002] The application of multilayer co -extrusion film is made of the composite of different performance materials, makes plastic products have the excellent characteristics of different materials, and the characteristics are complementary, so that the plastic products obtain the required performance and appearance: such as oxygen, moisture resistance, permeability, transparency, aroma retention, heat preservation, ultraviolet resistance, anti-pollution, high-temperature cooking, low-temperature heat sealing, and mechanical properties such as strength, stiffness, hardness, puncture resistance, tear resistance and printability. Change the limitations of single material plastic products, greatly improve the comprehensive performance of plastic products.
[0003] The co -extrusion presss the bag and is made of multilayer co -extrusion film, and the co -extrusion presss the bag can be used for vacuum packaging, and the vacuum packaging needs to draw vacuum treatment to the co -extrusion presss the bag, the film side of the existing co -extrusion presss the bag adopts smooth design, and during the vacuumizing process, because the two films are too close to each other, it is not convenient to exhaust, leading to inconvenient vacuumizing operation and poor vacuumizing effect. UTILITARIAN CONTENT
[0004] The utility model discloses a multilayer co -extrusion presss the bag of easy to draw vacuum, and aims at solving the technical problem of inconvenient exhaust in prior art, leading to inconvenient vacuumizing operation and poor vacuumizing effect.
[0005] To achieve the above object, the multilayer co -extrusion presss the bag of easy to draw vacuum provided by the utility model embodiment, including upper film and lower film, the upper film is connected with the lower film;
[0006] The upper film includes a first PE layer, a heat insulation layer, a second PE layer and a third PE layer, and the first PE layer, the heat insulation layer, the second PE layer and the third PE layer are sequentially arranged and connected from bottom to top.
[0007] The lower film includes a lower PE layer, a first adhesive resin layer, a first nylon layer, a second adhesive resin layer and a second nylon layer, and the lower PE layer, the first adhesive resin layer, the first nylon layer, the second adhesive resin layer and the second nylon layer are sequentially arranged from bottom to top, the first adhesive resin layer is adhesively connected with the lower PE layer and the first nylon layer respectively, and the second adhesive resin layer is adhesively connected with the first nylon layer and the second nylon layer respectively.
[0008] As an optional scheme of the utility model, the thickness of the first PE layer, the second PE layer and the third PE layer is 10-50 microns.
[0009] As optional scheme of the utility model, the material of the heat insulation layer is glass fiber, and the thickness of the heat insulation layer is 10-50 microns.
[0010] As optional scheme of the utility model, the thickness of the lower PE layer is 10-50 microns.
[0011] As optional scheme of the utility model, the thickness of the first adhesive resin layer and the second adhesive resin layer is 10-30 microns.
[0012] As optional scheme of the utility model, the thickness of the first nylon layer and the second nylon layer is 10-50 microns.
[0013] The above one or more technical solutions in the multi-layer co-extrusion textured bag convenient for vacuumizing provided by the utility model embodiment have at least one of the following technical effects:
[0014] The multi-layer co-extrusion textured bag convenient for vacuumizing provided by the application has the advantages that the upper film and the lower film are provided, the lower film is provided with a texture, the texture can push against the upper film and form an air extraction channel with the upper film during vacuumizing, air is conveniently exhausted, and thus the vacuumizing operation is more convenient, and the vacuumizing effect is better. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor under the premise of the drawings.
[0016] Fig. 1 The utility model provides the perspective drawing of the multi-layer co-extrusion textured bag convenient for vacuumizing.
[0017] Fig. 2 The utility model provides the internal structure schematic view of the upper film of the multi-layer co-extrusion textured bag convenient for vacuumizing.
[0018] Fig. 3 The utility model provides the internal structure schematic view of the lower film of the multi-layer co-extrusion textured bag convenient for vacuumizing.
[0019] In the drawings, various reference signs:
[0020] 1, upper film, 2, lower film,
[0021] 11, first PE layer, 12, heat insulation layer, 13, second PE layer, 14, third PE layer,
[0022] 21, lower PE layer; 22, first adhesive resin layer; 23, first nylon layer; 24, second adhesive resin layer; 25, second nylon layer; 26, embossing. DETAILED DESCRIPTION
[0023] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.
[0024] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0025] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0026] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0027] In one embodiment of the present application, as shown in Figs. 1-3 A multi-layer co-extrusion embossed bag facilitating vacuumizing is provided, which comprises an upper film 1 and a lower film 2, and the upper film 1 is connected with the lower film 2.
[0028] The upper film 1 comprises a first PE layer 11, a heat insulation layer 12, a second PE layer 13 and a third PE layer 14, and the first PE layer 11, the heat insulation layer 12, the second PE layer 13 and the third PE layer 14 are sequentially arranged and connected from bottom to top.
[0029] The lower film 2 comprises a lower PE layer 21, a first adhesive resin layer 22, a first nylon layer 23, a second adhesive resin layer 24 and a second nylon layer 25, and the lower PE layer 21, the first adhesive resin layer 22, the first nylon layer 23, the second adhesive resin layer 24 and the second nylon layer 25 are sequentially arranged from bottom to top, the first adhesive resin layer 22 is adhesively connected with the lower PE layer 21 and the first nylon layer 23 respectively, and the second adhesive resin layer 24 is adhesively connected with the first nylon layer 23 and the second nylon layer 25 respectively.
[0030] The multi-layer co-extrusion embossed bag convenient for vacuumizing provided by the application is provided with the embossing 26 on the lower film 2, when vacuumizing, the embossing 26 will push against the upper film 1 and form a gas extraction channel with the upper film 1, air is conveniently exhausted, and thus the vacuumizing operation is more convenient and the vacuumizing effect is better.
[0031] As an optional scheme of the utility model, the thickness of the first PE layer 11, the second PE layer 13 and the third PE layer 14 is 10-50 microns, and is preferably 30 microns.
[0032] As an optional scheme of the utility model, the material of the heat insulation layer 12 is glass fiber, and the glass fiber has good heat insulation effect. The thickness of the heat insulation layer 12 is 10-50 microns, and is preferably 30 microns.
[0033] As an optional scheme of the utility model, the thickness of the lower PE layer 21 is 10-50 microns, and is preferably 30 microns.
[0034] As an optional scheme of the utility model, the thickness of the first adhesive resin layer 22 and the second adhesive resin layer 24 is 10-30 microns, and is preferably 20 microns.
[0035] As an optional scheme of the utility model, the thickness of the first nylon layer 23 and the second nylon layer 25 is 10-50 microns, and is preferably 40 microns.
[0036] The multi-layer co-extrusion embossed bag convenient for vacuumizing provided by the application is provided with the embossing 26 on the lower film 2, when vacuumizing, the embossing 26 will push against the upper film 1 and form a gas extraction channel with the upper film 1, air is conveniently exhausted, and thus the vacuumizing operation is more convenient and the vacuumizing effect is better.
[0037] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A multi-layer co-extruded textured bag that facilitates vacuuming, characterized in that, The upper film and the lower film are connected; The upper film comprises a first PE layer, a heat insulation layer, a second PE layer and a third PE layer, which are sequentially arranged and connected from bottom to top; The lower film comprises a lower PE layer, a first adhesive resin layer, a first nylon layer, a second adhesive resin layer and a second nylon layer, which are sequentially arranged from bottom to top, the first adhesive resin layer is connected with the lower PE layer and the first nylon layer respectively, and the second adhesive resin layer is connected with the first nylon layer and the second nylon layer respectively; the PE layer is provided with an embossing.
2. A multi-layer co-extruded textured bag for easy vacuuming according to claim 1, wherein, The thickness of the first PE layer, the second PE layer and the third PE layer is 10-50 microns.
3. A multi-layer co-extruded textured bag for easy vacuuming according to claim 1, wherein, The material of the heat insulation layer is glass fiber, and the thickness of the heat insulation layer is 10-50 microns.
4. The multi-layer co-extruded textured bag of claim 1, wherein, The thickness of the lower PE layer is 10-50 microns.
5. The multi-layer co-extruded textured bag of claim 1, wherein, The thickness of the first adhesive resin layer and the second adhesive resin layer is 10-30 microns.
6. A multi-layer co-extruded textured bag for easy vacuuming according to claim 1, wherein, The thickness of the first nylon layer and the second nylon layer is 10-50 microns.