Laser micro-sculptured hot stamping film

By embedding a reflective layer, a positioning base layer, a laser micro-engraving layer, and a nanoparticle coating within the hot-pressed film, and combining them with a double anti-counterfeiting structure of an aluminum-plated layer, the problems of easy counterfeiting and poor decorative effect of existing hot-pressed films are solved, achieving a laser micro-engraved hot-pressed film with high anti-counterfeiting and decorative effects.

CN224392105UActive Publication Date: 2026-06-23浙江宇狮薄膜科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
浙江宇狮薄膜科技有限公司
Filing Date
2025-07-04
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The existing hot-press film structure design is unreasonable, has poor anti-counterfeiting performance, is easy to be counterfeited, and has poor decorative effect.

Method used

Laser micro-engraving technology is used to set a reflective layer, a positioning base layer, a first laser micro-engraving layer and a nano-particle coating inside the hot-pressed film. It is integrally formed with the heat-sealed film layer through a hot-pressing process, and has a double anti-counterfeiting structure with an additional aluminum plating layer and a second laser micro-engraving layer, combined with the decorative effect of the nano-particle coating.

Benefits of technology

It achieves a dual anti-counterfeiting structure with good internal and external anti-counterfeiting performance, enhances the decorative effect and overall texture, is difficult to counterfeit, has a reasonable structural design, and is highly practical.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of laser micro-carving hot-pressing films, including first heat-seal film layer, the lower surface of first heat-seal film layer is fixedly provided with aluminium plating layer, the upper surface of first heat-seal film layer is provided with article recess, the recess mouth of article recess is provided with positioning gap;Article recess is sequentially provided with reflective layer, positioning base layer, first laser micro-carving layer and nano-particle coating from inside to outside, the upper surface of nano-particle coating is provided with second heat-seal film layer, the lower end of second heat-seal film layer and the inner wall surface of positioning gap are adhesively fixed.The above technical solution, structure design is reasonable, anti-fake performance is good, not easy to imitate, decorative effect is good and practicality is good.
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Description

Technical Field

[0001] This utility model relates to the field of hot pressing film technology, specifically to a laser micro-engraved hot pressing film. Background Technology

[0002] A film is a thin, flexible, transparent sheet made of plastics, adhesives, rubber, or other materials. Films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins are used for packaging and as a coating layer. Plastic packaging and plastic packaging products are taking up an increasingly large share of the market, especially composite plastic flexible packaging, which is widely used in the food, pharmaceutical, and chemical industries. Food packaging accounts for the largest proportion, including beverage packaging, frozen food packaging, retortable food packaging, and fast food packaging. These products have brought great convenience to people's lives.

[0003] However, the existing hot-pressed films on the market usually have the following drawbacks: the existing hot-pressed film structure design is unreasonable, the anti-counterfeiting structure of the hot-pressed film is simple and easy to be counterfeited; moreover, the decorative effect is not good. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a laser micro-engraved hot press film with reasonable structural design, good anti-counterfeiting performance, not easy to imitate, good decorative effect and practicality.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a laser micro-engraving hot press film, comprising a first heat-sealing film layer, an aluminum-plated layer fixedly disposed on the lower surface of the first heat-sealing film layer, and a placement groove disposed on the upper surface of the first heat-sealing film layer, wherein a positioning notch is provided at the groove opening of the placement groove.

[0006] The placement groove is provided with a reflective layer, a positioning base layer, a first laser micro-engraving layer and a nanoparticle coating layer from the inside to the outside. A second heat-sealing film layer is provided on the upper surface of the nanoparticle coating layer, and the lower end of the second heat-sealing film layer is bonded and fixed to the inner wall surface of the positioning notch.

[0007] The present invention is further configured such that: a positioning protrusion is integrally provided on the lower surface of the second heat-sealing film layer, aligned with the positioning notch position, the positioning protrusion is inserted into the positioning notch, and the lower surface edge of the second heat-sealing film layer and the upper surface of the first heat-sealing film layer are integrally formed by hot pressing process.

[0008] The present invention is further configured such that: the reflective layer is a glass microsphere layer, a glass fragment layer or a prism layer; the lower surface of the reflective layer is bonded and fixed to the inner bottom surface of the storage groove; and the side surface of the reflective layer is bonded and fixed to the inner wall surface of the storage groove.

[0009] The present invention is further configured such that: the positioning base layer and the first laser micro-engraving layer are integrally formed, and both the positioning base layer and the first laser micro-engraving layer are made of plastic or metal; the lower surface of the positioning base layer is bonded and fixed to the upper surface of the reflective layer; and the sides of the positioning base layer and the reflective layer are bonded and fixed to the inner wall of the placement groove.

[0010] The present invention is further configured such that: the lower surface of the nanoparticle coating is bonded and fixed to the upper surface of the first laser micro-engraving layer, the side surface of the nanoparticle coating is bonded and fixed to the inner wall of the storage groove, and the nanoparticle coating includes nano-metal particles and nano-plastic particles.

[0011] The present invention is further configured such that a second laser micro-engraving layer is provided on the lower surface of the aluminum plating layer.

[0012] The beneficial effects of this utility model are as follows: Compared with the prior art, this utility model has a reasonable structural design. The reflective layer, positioning base layer, first laser micro-engraving layer, and nanoparticle coating are all embedded in the placement groove on the upper surface of the first heat-sealing film layer, and are integrated with the second heat-sealing film layer through a hot-pressing process. The first laser micro-engraving layer has good anti-counterfeiting performance and is located inside the laser micro-engraving hot-pressing film, making it difficult to counterfeit. In addition, a second laser micro-engraving layer is provided on the lower surface of the aluminum-plated layer, adopting a double anti-counterfeiting structure with good anti-counterfeiting effect. The nanoparticle coating is set on the first laser micro-engraving layer and can play a role in coloring and decoration. The nanoparticle coating includes nano-metal particles and nano-plastic particles, which has a good decorative effect. The reflective layer is a glass microbead layer, glass fragment layer, or prism layer, which has a good reflective effect, improves the overall texture of the laser micro-engraving hot-pressing film, and has good practicality.

[0013] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0015] Figure 2 for Figure 1 Enlarged schematic diagram of section I;

[0016] Figure 3 This is a partial explosion diagram of an embodiment of the present invention. Detailed Implementation

[0017] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] See Figures 1 to 3 The present invention discloses a laser micro-engraving hot press film, including a first heat-sealing film layer 1, an aluminum-plated layer 2 fixedly disposed on the lower surface of the first heat-sealing film layer 1, and a placement groove 11 disposed on the upper surface of the first heat-sealing film layer 1, wherein a positioning notch 12 is provided at the groove opening of the placement groove 11.

[0019] The placement groove 11 is provided with a reflective layer 3, a positioning base layer 4, a first laser micro-engraving layer 5 and a nanoparticle coating 6 from the inside to the outside. A second heat-sealing film layer 7 is provided on the upper surface of the nanoparticle coating 6. The lower end of the second heat-sealing film layer 7 is bonded and fixed to the inner wall surface of the positioning notch 12.

[0020] Preferably, the upper surface of the nanoparticle coating 6 is bonded and fixed to the lower surface of the second heat-sealing film layer 7.

[0021] To make the structural design of this utility model more reasonable, as a preferred embodiment, the lower surface of the second heat-sealing film layer 7 is integrally provided with a positioning protrusion 71 aligned with the positioning notch position. The positioning protrusion 71 is inserted into the positioning notch 12, and the lower surface edge of the second heat-sealing film layer 7 and the upper surface of the first heat-sealing film layer 1 are integrally formed by hot pressing.

[0022] The reflective layer 3 is a glass microsphere layer, a glass fragment layer, or a prism layer. The lower surface of the reflective layer 3 is bonded and fixed to the inner bottom surface of the storage groove 11, and the side surface of the reflective layer 3 is bonded and fixed to the inner wall surface of the storage groove 11.

[0023] The positioning base layer 4 and the first laser micro-engraving layer 5 are integrally formed, and both the positioning base layer 4 and the first laser micro-engraving layer 5 are made of plastic or metal. The lower surface of the positioning base layer 4 is bonded and fixed to the upper surface of the reflective layer 3, and the sides of the positioning base layer 4 and the reflective layer 3 are bonded and fixed to the inner wall of the placement groove 11.

[0024] The lower surface of the nanoparticle coating 6 is bonded and fixed to the upper surface of the first laser micro-engraving layer 5, and the side surface of the nanoparticle coating 6 is bonded and fixed to the inner wall of the placement groove 11. The nanoparticle coating 6 includes nano-metal particles and nano-plastic particles.

[0025] A second laser micro-engraving layer 21 is provided on the lower surface of the aluminum plating layer 2.

[0026] In practical applications, the reflective layer 3, positioning base layer 4, first laser micro-engraving layer 5, and nanoparticle coating 6 are all embedded in the placement groove 11 on the upper surface of the first heat-sealing film layer 1, and are integrated with the second heat-sealing film layer 7 through a hot-pressing process. The structure is reasonably designed, the first laser micro-engraving layer 5 has good anti-counterfeiting performance, and is set inside the laser micro-engraving hot-pressing film, making it difficult to counterfeit. In addition, a second laser micro-engraving layer 21 is set on the lower surface of the aluminum-plated layer 2, adopting a double anti-counterfeiting structure with good anti-counterfeiting effect. The nanoparticle coating 6 is set on the first laser micro-engraving layer 5, which can play a role in coloring and decoration. The nanoparticle coating 6 includes nano-metal particles and nano-plastic particles, which has a good decorative effect. The reflective layer 3 is a glass microbead layer, glass fragment layer, or prism layer, which has a good reflective effect, enhances the overall texture of the laser micro-engraving hot-pressing film, and has good practicality.

[0027] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. A laser micro-engraved hot stamping film comprising a first heat seal film layer (1), characterized in that: An aluminum plating layer (2) is fixedly provided on the lower surface of the first heat-sealing film layer (1), and a storage groove (11) is provided on the upper surface of the first heat-sealing film layer (1). The groove opening of the storage groove (11) is provided with a positioning notch (12). The placement groove (11) is provided with a reflective layer (3), a positioning base layer (4), a first laser micro-carving layer (5) and a nanoparticle coating (6) from the inside to the outside. A second heat-sealing film layer (7) is provided on the upper surface of the nanoparticle coating (6). The lower end of the second heat-sealing film layer (7) is bonded and fixed to the inner wall of the positioning notch (12).

2. The laser micro-engraved hot-press film according to claim 1, characterized in that: The lower surface of the second heat-sealing film layer (7) is integrally provided with a positioning protrusion (71) aligned with the positioning notch position. The positioning protrusion (71) is inserted into the positioning notch (12). The lower surface edge of the second heat-sealing film layer (7) and the upper surface of the first heat-sealing film layer (1) are integrally formed by hot pressing.

3. The laser micro-engraved hot-press film according to claim 2, characterized in that: The reflective layer (3) is a glass microsphere layer, a glass fragment layer or a prism layer. The lower surface of the reflective layer (3) is bonded and fixed to the inner bottom surface of the storage groove (11), and the side surface of the reflective layer (3) is bonded and fixed to the inner wall surface of the storage groove (11).

4. The laser micro-engraved hot-press film according to claim 3, characterized in that: The positioning base layer (4) and the first laser micro-carving layer (5) are integrally set, and both the positioning base layer (4) and the first laser micro-carving layer (5) are made of plastic or metal. The lower surface of the positioning base layer (4) is bonded and fixed to the upper surface of the reflective layer (3), and the sides of the positioning base layer (4) and the reflective layer (3) are bonded and fixed to the inner wall of the placement groove (11).

5. The laser micro-engraved hot-press film according to claim 4, characterized in that: The lower surface of the nanoparticle coating (6) is bonded and fixed to the upper surface of the first laser micro-engraving layer (5), and the side of the nanoparticle coating (6) is bonded and fixed to the inner wall of the storage groove (11). The nanoparticle coating (6) includes nano-metal particles and nano-plastic particles.

6. The laser micro-engraved hot-press film according to claim 5, characterized in that: A second laser micro-engraving layer (21) is provided on the lower surface of the aluminum plating layer (2).