Visual powder-hanging-free packaging bag

Abstract

The utility model discloses a visible powder-hanging-free packaging bag which comprises bag pieces, the bag pieces are heat-sealed together to form a bag body, each bag piece comprises a CPE film, a PET film and an OPP film, the CPE film, the PET film and the OPP film are compounded together, the CPE film and the OPP film are located on the two sides of the PET film respectively, the CPE film is located on the innermost side of the bag body, and the OPP film is located on the outermost side of the bag body. The packaging bag has the following beneficial effects that powder can be prevented from being hung on the inner wall when the powder is packaged, and meanwhile, the visualization of the contained powder is realized.

Description

Technical Field

[0001] The utility model relates to the field of packaging materials, in particular to a visible powder-free hanging packaging bag. Background Art

[0002] At present, soybean powder is generally packaged in packaging bags. The packaging bags used for packaging soybean powder usually are composed of CPE (chlorinated polyethylene), aluminum film (or aluminum foil) and PET (polyethylene terephthalate) in combination. Among them, CPE is located on the innermost side of the bag, while PET is located on the outermost side of the bag. In order to ensure the sealing performance, the packaging bag with such a structure adopts the method of aluminizing in the middle. Although the sealing performance is ensured in this way, the whole packaging bag becomes non-visible, and the user cannot intuitively feel the characteristics of the powder in the packaging bag. Content of the Utility Model

[0003] Aiming at the above problems, the utility model provides a visible powder-free hanging packaging bag.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A visible powder-free hanging packaging bag includes bag pieces. The bag pieces are heat-sealed together to form a bag body. The bag pieces include a CPE film, a PET film and an OPP film. The CPE film, the PET film and the OPP film are combined together. The CPE film and the OPP film are respectively located on both sides of the PET film, and the CPE film is located on the innermost side of the bag body, and the OPP film is located on the outermost side of the bag body.

[0006] In this kind of packaging bag, the bag pieces are composed of a CPE film, a PET film and an OPP film in combination, and the CPE film, the PET film and the OPP film are all transparent films. Therefore, this kind of bag piece is a bag piece made of transparent material. Since one side of the CPE film is the PET film, antistatic treatment can be carried out on the CPE film. The antistatic-treated CPE can avoid the adhesion of powder and prevent the powder from sticking to the CPE film. Therefore, this kind of packaging bag can avoid powder hanging on the inner wall when packaging powder, and at the same time realizes the visualization of the powder contained in the packaging bag.

[0007] Specifically, when the bag body is formed by combining two bag pieces, the CPE films on the two bag pieces are bonded together to form the bag body by heat-sealing.

[0008] Optionally, the thickness of the CPE film is 60 microns, the thickness of the PET film is 12 microns, and the thickness of the OPP film is 19 microns.

[0009] The beneficial effect of the utility model is that powder hanging on the inner wall can be avoided when packaging powder, and at the same time the visualization of the contained powder is realized. Description of the Drawings

[0010] Figure 1 It is a schematic diagram of the structure of a visible non-powder-adhering packaging bag.

[0011] In the figure, each reference numeral is: 101, OPP film; 102, PET film; 103, CPE film. Specific embodiments

[0012] The following will describe the present utility model in detail in conjunction with the accompanying drawings.

[0013] As shown in the atta Figure 1 ched drawings, a visible non-powder-adhering packaging bag includes bag sheets, and the bag sheets are heat-sealed together to form a bag body. The bag sheets include a CPE film 103, a PET film 102, and an OPP film 101. The CPE film, the PET film, and the OPP film are laminated together. The CPE film and the OPP film are respectively located on both sides of the PET film, and the CPE film is located on the innermost side of the bag body, and the OPP film is located on the outermost side of the bag body.

[0014] In this kind of packaging bag, the bag sheets are composed of a CPE film, a PET film, and an OPP film, and the CPE film, the PET film, and the OPP film are all transparent films. Therefore, this kind of bag sheet is a bag sheet made of a transparent material. Since one side of the CPE film is the PET film, antistatic treatment can be performed on the CPE film. The antistatic-treated CPE can avoid the adhesion of powder and prevent the powder from sticking to the CPE film. Therefore, this kind of packaging bag can avoid powder sticking to the inner wall when packaging powder, and at the same time realizes the visualization of the powder contained in the packaging bag.

[0015] Refer to the atta Figure 1 ched drawings. In this kind of packaging bag, when the bag body is formed by laminating two left and right bag sheets together, the CPE films on the two bag sheets are bonded together to form the bag body by heat-sealing.

[0016] As shown in the atta Figure 1 ched drawings, the thickness of the CPE film is 60 microns, the thickness of the PET film is 12 microns, and the thickness of the OPP film is 19 microns.

[0017] In this kind of packaging bag, PET is used to increase the stiffness of the entire composite film and ensure the sealing performance of the entire composite film.

[0018] The above are only the preferred embodiments of the present utility model, and thus do not limit the patent protection scope of the present utility model. Any equivalent transformation made by using the content of the specification of the present utility model, directly or indirectly applied in other related technical fields, shall be included in the protection scope of the present utility model by the same token.

Claims

1. A visible powder-free packaging bag, comprising bag sheets, the bag sheets are heat-sealed together to form a bag body, characterized in that: The bag sheet includes a CPE film, a PET film and an OPP film, which are compounded together, and the CPE film and the OPP film are respectively located on both sides of the PET film, and the CPE film is located on the innermost side of the bag body, and the OPP film is located on the outermost side of the bag body, and the CPE film is treated with antistatic treatment.

2. The visible powder-free packaging bag according to claim 1, characterized in that: The thickness of the CPE film is 60 micrometers, the thickness of the PET film is 12 micrometers, and the thickness of the OPP film is 19 micrometers.

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