A collapsible extruded product packaging film

CN224690848UActive Publication Date: 2026-08-28ZHEJIANG MINGKAI NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202522190906.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-16
Publication Date
2026-08-28
Estimated Expiration
2035-10-16

AI Technical Summary

Technical Problem

然而，传统的挤出产品包装膜大多为带有撕口的包装膜，因撕口与膜体结合强度过高或撕口方向不明确，易出现撕不开或撕开后膜体断裂、内容物洒落等问题，使用体验较差

Benefits of technology

本实用新型提供的一种易折挤出产品包装膜，通过上膜和下膜边缘热压复合形成空腔，能有效容纳产品并保证封装密封性；并且上膜的中心设置有裁切线，当用户使用时，通过沿着裁切线进行翻折，就能打开包装，然后将产品向裁切线处挤出即可使用，从而提升使用便捷性。

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Abstract

The utility model discloses an easy fold extrusion product packaging film, including the upper film and lower film, the edge of upper film and the edge of lower film heat pressure complex, and the cavity is formed between upper film and lower film, the central position of upper film is provided with the cutting line, upper film includes the first surface layer, first aluminum foil layer, first intermediate layer and first inner layer that composite connection in proper order from outside to inside, lower film includes the second surface layer, second aluminum foil layer, second intermediate layer and second inner layer that composite connection in proper order from outside to inside. The utility model provides an easy fold extrusion product packaging film, and the cavity is formed through upper film and lower film edge heat pressure complex, can effectively accommodate product and guarantee the sealing property of packing, and the center of upper film is provided with the cutting line, when the user uses, through along the cutting line and fold, can open the packing, then extrudes the product to the cutting line department and can use, thereby improves the use convenience.
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Claims

1. A foldable extruded product packaging film, characterized in that: It includes an upper film (1) and a lower film (2); the edge of the upper film (1) is hot-pressed together with the edge of the lower film (2), and a cavity (3) is formed between the upper film (1) and the lower film (2); a cutting line (4) is provided at the center of the upper film (1); the upper film (1) includes a first surface layer (11), a first aluminum foil layer (12), a first intermediate layer (13) and a first inner layer (14) sequentially connected from the outside to the inside; the lower film (2) includes a second surface layer (21), a second aluminum foil layer (22), a second intermediate layer (23) and a second inner layer (24) sequentially connected from the outside to the inside.

2. The easily foldable extruded product packaging film according to claim 1, characterized in that: Both the first surface layer (11) and the second surface layer (21) are made of BOPET film.

3. The easily foldable extruded product packaging film according to claim 1, characterized in that: The first intermediate layer (13) is made of polyester cast film, PP rigid film or PS rigid film.

4. The easily foldable extruded product packaging film according to claim 1, characterized in that: The second intermediate layer (23) is made of BOPA film.

5. The easily foldable extruded product packaging film according to claim 1, characterized in that: The first inner layer (14) and the second inner layer (24) are both co-extruded by layer A (141), layer B (142) and layer C (143) in sequence.

6. The easily foldable extruded product packaging film according to claim 5, characterized in that: The A layer (141) is made of a first composite material, and the B layer (142) and the C layer (143) are made of a second composite material.