Non-woven fabric sealing compression bag

By adopting a three-layer structure, the non-woven sealing compression bag design, combined with the characteristics of PA, non-woven fabric and PE layer, the existing non-woven sealing bags are solved, and the problems of unsolidity, moisture-proof and slow air leakage are achieved, which achieves higher durability and air-tightness, and improves the printing effect of the surface pattern.

CN222845701UActive Publication Date: 2025-05-09HUAIAN WEITE COLOR PRINTING & PACKAGING CO LTD
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Patent Information

Application Number
CN202420716962.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2025-05-09
Estimated Expiration
2034-04-09

AI Technical Summary

Technical Problem

The existing non-woven sealed compression bags are not strong, durable, moisture-proof, and have slow air leakage, and the UV printing effect of the surface pattern is not good.

Method used

The bag body design adopts a three-layer structure. The outer PA layer, the intermediate non-woven fabric layer, and the inner PE layer are made of thermal sol bonded. The thickness of the PA layer single layer material is 15um, the square meter weight of the non-woven fabric layer is not less than 30 grams, the thickness of the PE layer single layer material is not less than 25um, and a printing layer is provided on the outer surface of the PA layer, and the pattern printing is carried out using gravure printing technology.

Benefits of technology

It improves the durability and airtightness of the product to prevent slow air leakage. At the same time, the surface pattern printing area is large and the colors are rich, which improves the product quality as a whole.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a non-woven fabric sealing compression bag which is characterized in that a bag body of the sealing compression bag is of a three-layer structure, and the bag body is formed by bonding an outer PA (Polyamide) layer, a middle non-woven fabric layer and an inner PE (Poly Ethylene) layer through hot melt adhesive. The whole quality is improved, the sealing bag can be repeatedly used, the durability is good, the sealing bag is high in air tightness and free of slow air leakage, the surface pattern printing area is large, and colors are rich.
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Description

Technical Field

[0001] The utility model relates to the field of compression bags, in particular to a non-woven sealed compression bag. Background Art

[0002] At present, the body of sealed compression bags is generally made of PA or PET composite PE, the product quality is not high-end, and the added value is difficult to increase. There are non-woven fabric composite PE made of non-woven sealing bags in the market, although the product quality is improved, but it is not strong and durable, not moisture-proof, and there will be slow air leakage. At the same time, the surface pattern is UV printed on the non-woven fabric, and the effect is not good. Utility Model Content

[0003] In view of the problems existing in the prior art, the utility model provides a non-woven sealed compression bag with improved quality and durability, which solves the problem of slow air leakage of non-woven sealed bags on the market, and has a large gravure printed pattern area and rich colors on the surface.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The non-woven sealed compression bag has a bag body of a three-layer structure, wherein an outer PA layer, a middle non-woven layer, and an inner PE layer are bonded by hot melt adhesive.

[0006] A further improvement is that the thickness of the single-layer material of the PA layer is 15 um.

[0007] A further improvement is that the non-woven fabric layer has a grammage per square meter of not less than 30 grams.

[0008] A further improvement is that the non-woven fabric layer is a non-woven fabric produced by a meltblowing method or a spunbonding method.

[0009] A further improvement is that the PE layer is not less than 25um thick of a single layer of material.

[0010] A further improvement is that a printing layer is provided on the outer surface of the PA layer. Beneficial Effects

[0011] The utility model bag has a three-layer structure of an outer layer PA, a middle layer non-woven fabric, and an inner layer PE, and is made of hot melt adhesive. The PE inner layer has good heat sealing performance and a good bag-making effect with the non-woven fabric. The outer layer PA is puncture-resistant, the surface pattern printing area is large and the colors are rich, which improves the overall product quality, is reusable and durable, and the sealed bag has high air tightness and will not leak slowly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model. DETAILED DESCRIPTION

[0013] like Figure 1 As shown, the bag body of the utility model is a three-layer structure, wherein an outer PA layer 1, a middle non-woven fabric layer 2, and an inner PE layer 3 are bonded by hot melt adhesive, and a printing layer is provided on the outer surface of the PA layer 1.

[0014] The single-layer material thickness of the PA layer is 15um; the grammage of the non-woven fabric layer 2 square meters is not less than 30 grams, and the non-woven fabric layer 2 is a non-woven fabric produced by meltblowing or spunbonding; the single-layer material thickness of the PE layer 3 is not less than 25um.

[0015] Comparison of the test performance of this application with the existing non-woven PE coated products on the market and the product of this application

[0016]

[0017] The structural products made by different processes in this application are more cost-effective.

[0018] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. Non-woven sealed compression bag, characterized by: The bag body of the sealed compression bag is a three-layer structure, wherein an outer PA layer (1), an intermediate non-woven fabric layer (2), and an inner PE layer (3) are bonded together using hot melt adhesive, a printing layer is provided on the outer surface of the PA layer (1), a single-layer material thickness of the PA layer (1) is 15 μm, a square meter gram weight of the non-woven fabric layer (2) is not less than 30 g, and a single-layer material thickness of the PE layer (3) is not less than 25 μm.

2. The non-woven sealed compression bag according to claim 1, characterized in that: The non-woven fabric layer (2) is a non-woven fabric produced by a melt-blowing method or a spunbonding method.