Double-sided anti-static PET (Polyethylene Terephthalate) release film

Abstract

The utility model discloses a double-sided anti-static PET release film, which comprises a film protecting mechanism and a cutting mechanism, the film protecting mechanism comprises a tearing film, two base material films arranged on two sides of the tearing film, an upper anti-static layer adhered to the top of the base material film and a lower anti-static layer adhered to the bottom of the base material film, and the inner side of the lower anti-static layer is connected with the outer side wall of the tearing film. The cutting mechanism comprises a plurality of openings and a plurality of round openings which are formed in the inner side of the lower antistatic layer. In the utility model, when the base material film is torn, an operator presses two sides of the tearing film with two fingers (the left hand), then pinches and tears the short surface with the other hand (the right hand), and then tears the cambered surface and the long surface in sequence, the two fingers (the left hand) move downwards continuously in the tearing direction during the period, then the tearing film is easy to tear off under the action of the opening and the round opening, and then the base material film is cut off. In the process, the base material film is stable and immovable, and the cutting quality is effectively guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of PET release film technology, specifically a double-sided antistatic PET release film. Background Technology

[0002] Release film refers to a film whose surface can be distinguished. When a release film comes into contact with a specific material under limited conditions, it does not have adhesiveness or has only slight adhesiveness.

[0003] Application number CN202121307957.2 discloses a PET release film with a double-sided antistatic structure, including a release film body and other structures. Compared with existing devices, this PET release film with a double-sided antistatic structure has a double-layer antistatic agent layer, which enables both the inner and outer sides of the PET release film to have antistatic properties, reducing the impact of static electricity generated during use on the performance. Furthermore, the double-layer release layer enhances the performance of the PET release film itself. Additionally, the PET release film has a guiding cutting structure for easy cutting during use, improving convenience. However, in practical application, because the "film" is a flexible material, wrinkles and misalignments can easily occur during the cutting process, affecting product quality. Utility Model Content

[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by this utility model is as follows:

[0006] A double-sided antistatic PET release film includes a protective film mechanism and a cutting mechanism. The protective film mechanism includes a release film, two substrate films disposed on both sides of the release film, an upper antistatic layer bonded to the top of the substrate films, and a lower antistatic layer bonded to the bottom of the substrate films. The inner side of the lower antistatic layer is connected to the outer wall of the release film. The cutting mechanism includes multiple openings and multiple circular openings formed on the inner side of the lower antistatic layer.

[0007] By adopting the above technical solution, when tearing the substrate film, the operator uses two fingers (left hand) to press down on both sides of the tear film, and then uses the other hand (right hand) to pinch and tear the short side, and then tear the curved side and the long side in sequence. During this process, the two fingers (left hand) move down continuously in the tearing direction. Then, under the action of the opening and the round opening, the tear film is easily torn off, and then the substrate film is cut. During this process, the substrate film remains stable, which effectively ensures the cutting quality.

[0008] In a preferred embodiment, the present invention can be further configured such that: a reinforcing mechanism is provided between the peel-off film and the upper antistatic layer; the reinforcing mechanism includes two hardened films disposed between the peel-off film and the two upper antistatic layers, and a plurality of extensions integrally formed with the hardened films; the plurality of extensions on the hardened films are equally spaced and arranged in a row; the bottom end of the extension passes through the substrate film and extends into the interior of the lower antistatic layer.

[0009] In a preferred embodiment, the present invention can be further configured such that a release layer is connected between the two lower antistatic layers, and the bottom of the release film is attached to the top of the release layer.

[0010] In a preferred embodiment, the present invention can be further configured such that the sum of the thicknesses of the substrate film, the upper antistatic layer, and the lower antistatic layer is equal to the thickness of the tear-off film, the widths at both ends of the tear-off film are equal, and the width of the middle part of the tear-off film is greater than the widths at both ends of the tear-off film.

[0011] In a preferred embodiment, the present invention can be further configured such that: both sides of the peel-off film are provided with a long surface, a short surface, and an arc surface, the arc surface is spliced ​​between the long surface and the short surface, the length of the hardening film is equal to the length of the long surface, the two ends of the hardening film are respectively aligned with the two ends of the long surface, and the inner side of the upper antistatic layer is connected to the two short surfaces and the two arc surfaces.

[0012] In a preferred embodiment, the present invention can be further configured such that: multiple openings are arranged along two long surfaces and two short surfaces respectively, and multiple circular openings are arranged along multiple arc surfaces respectively.

[0013] In a preferred embodiment, the present invention can be further configured such that the thickness of the hardened film is equal to the thickness of the upper antistatic layer, and the bottom of the upper antistatic layer is flush with the bottom of the hardened film.

[0014] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:

[0015] 1. In this utility model, when tearing the substrate film, the operator uses two fingers (left hand) to press down on both sides of the tear film, and then uses the other hand (right hand) to pinch and tear the short side, and then tear the curved side and the long side in sequence. During this process, the two fingers (left hand) move down continuously in the tearing direction. Then, under the action of the opening and the round opening, the tear film is easily torn off, and then the substrate film is cut. During this process, the substrate film remains stable, which effectively ensures the cutting quality.

[0016] 2. In this utility model, the hardened film and the edge work together to strengthen the structural integrity of the substrate film, the upper antistatic layer, and the lower antistatic layer. Then, when the film is torn off, the probability of wrinkles in this product can be further reduced by pressing the substrate film. Attached Figure Description

[0017] Figure 1This is a perspective view of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the protective film mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the cutting mechanism of this utility model;

[0020] Figure 4 This is a schematic diagram of the reinforcing mechanism of this utility model;

[0021] Figure 5 This is a three-dimensional view of the tear-off film of this utility model.

[0022] Figure label:

[0023] 100. Protective film mechanism; 110. Peel-off film; 111. Long side; 112. Short side; 113. Curved side; 120. Substrate film; 130. Upper antistatic layer; 140. Lower antistatic layer;

[0024] 200. Cutting mechanism; 210. Opening; 220. Round opening;

[0025] 300. Reinforced structure; 310. Hardened membrane; 320. Edge trimming;

[0026] 400, Release layer. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0028] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.

[0029] The following describes, with reference to the accompanying drawings, some embodiments of the present invention, providing a double-sided antistatic PET release film.

[0030] Example 1:

[0031] Combination Figure 1-5 As shown, the present invention provides a double-sided antistatic PET release film, including a protective film mechanism 100 and a cutting mechanism 200. The protective film mechanism 100 includes a release film 110, two substrate films 120 disposed on both sides of the release film 110, an upper antistatic layer 130 bonded to the top of the substrate film 120, and a lower antistatic layer 140 bonded to the bottom of the substrate film 120. The inner side of the lower antistatic layer 140 is connected to the outer wall of the release film 110.

[0032] The cutting mechanism 200 includes a plurality of openings 210 and a plurality of circular openings 220 formed inside the lower antistatic layer 140.

[0033] Furthermore, the sum of the thicknesses of the substrate film 120, the upper antistatic layer 130, and the lower antistatic layer 140 is equal to the thickness of the tear-off film 110. The widths at both ends of the tear-off film 110 are equal, and the width in the middle of the tear-off film 110 is greater than the widths at both ends. With this size design, the top and bottom of the substrate film 120 are flat, improving user comfort. The structural design of the tear-off film 110 makes it relatively easy to tear the tear-off film 110 from either end.

[0034] Furthermore, the peel-off film 110 has a long surface 111, a short surface 112, and an arc surface 113 on both sides. The arc surface 113 is spliced ​​between the long surface 111 and the short surface 112. The length of the hardening film 310 is equal to the length of the long surface 111. The two ends of the hardening film 310 are aligned with the two ends of the long surface 111. The inner side of the upper antistatic layer 130 is connected to the two short surfaces 112 and the two arc surfaces 113. The length design of the hardening film 310 provides the conditions for the upper antistatic layer 130 to be connected to the short surfaces 112 and the arc surfaces 113, thereby improving the installation firmness of the upper antistatic layer 130 in this application.

[0035] Furthermore, multiple openings 210 are arranged along two long surfaces 111 and two short surfaces 112 respectively, and multiple round openings 220 are arranged along multiple arc surfaces 113 respectively. The layout design of the openings 210 and round openings 220 reduces the connection area between the lower antistatic layer 140 and the peel-off film 110, further improving the ease of peeling off the peel-off film 110.

[0036] Furthermore, the thickness of the hardened film 310 is equal to the thickness of the upper antistatic layer 130, and the bottom of the upper antistatic layer 130 is flush with the bottom of the hardened film 310. The thickness of the hardened film 310 is designed to prevent it from affecting the connection between the substrate film 120 and the peel-off film 110, ensuring the basic framework formed by the substrate film 120 and the peel-off film 110, and maintaining the structural stability of the product.

[0037] Example 2:

[0038] Combination Figure 1 and Figure 4As shown, based on Embodiment 1, a reinforcing mechanism 300 is provided between the tear-off film 110 and the upper antistatic layer 130. The reinforcing mechanism 300 includes two hardened films 310 disposed between the tear-off film 110 and the two upper antistatic layers 130, and a plurality of extensions 320 integrally formed with the hardened films 310. The plurality of extensions 320 on the hardened films 310 are evenly spaced and arranged in a row. The bottom end of the extensions 320 passes through the substrate film 120 and extends into the interior of the lower antistatic layer 140. The hardened films 310 and the extensions 320 reinforce the structural strength of the substrate film 120, the upper antistatic layer 130, and the lower antistatic layer 140, reducing the probability of wrinkles in the substrate film 120, the upper antistatic layer 130, and the lower antistatic layer 140 when the tear-off film 110 is torn.

[0039] Example 3:

[0040] Combination Figure 1 As shown, in the above embodiment, a release layer 400 is connected between the two lower antistatic layers 140. The bottom of the release film 110 is attached to the top of the release layer 400. By setting the release layer 400, the bottom of the lower antistatic layer 140 can be protected to prevent the lower antistatic layer 140 from sticking together arbitrarily.

[0041] The working principle and usage process of this utility model are as follows: When this device is put into actual use, once it is necessary to spread the substrate film 120, the operator uses two fingers (left hand) to press down on both sides of the tear film 110, and then the other hand (right hand) pinches and tears the short side 112, and then tears the arc side 113 and the long side 111 in sequence. During this process, the two fingers (left hand) move down continuously in the tearing direction. Then, under the action of the opening 210 and the round opening 220, the tear film 110 is easily torn off, and then the substrate film 120 is cut. During this process, the substrate film 120 remains stable, effectively ensuring the cutting quality.

[0042] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A double-sided anti-static PET release film, characterized in that, The application relates to a protective film mechanism (100) comprising a tear-off film (110), two base films (120) arranged on both sides of the tear-off film (110), an upper anti-static layer (130) bonded to the top of the base film (120), and a lower anti-static layer (140) bonded to the bottom of the base film (120), wherein the inner side of the lower anti-static layer (140) is connected to the outer side wall of the tear-off film (110). The cutting mechanism (200) comprises a plurality of openings (210) and a plurality of round openings (220) arranged on the inner side of the lower anti-static layer (140). The tear-off film (110) and the upper anti-static layer (130) are provided with a reinforcing mechanism (300), which comprises two hardened films (310) arranged between the tear-off film (110) and the two upper anti-static layers (130), and a plurality of extension edges (320) integrally formed with the hardened films (310), wherein the plurality of extension edges (320) on the hardened films (310) are arranged at equal intervals in a row, the bottom ends of the extension edges (320) pass through the base film (120) and extend to the inside of the lower anti-static layer (140).

2. The double-sided anti-static PET release film according to claim 1, characterized in that, The two lower anti-static layers (140) are connected with a release layer (400), and the bottom of the tear-off film (110) is attached to the top of the release layer (400).

3. The double-sided anti-static PET release film according to claim 1, characterized in that, The thickness of the base film (120), the upper anti-static layer (130) and the lower anti-static layer (140) is equal to the thickness of the tear-off film (110), the width of both ends of the tear-off film (110) is equal, and the width of the middle part of the tear-off film (110) is greater than the width of both ends of the tear-off film (110).

4. The double-sided anti-static PET release film according to claim 1, characterized in that, The tear-off film (110) is provided with long faces (111), short faces (112) and arc faces (113) on both sides, the arc faces (113) are spliced between the long faces (111) and the short faces (112), the length of the hardened film (310) is equal to the length of the long face (111), the two ends of the hardened film (310) are respectively aligned with the two ends of the long face (111), and the inner side of the upper anti-static layer (130) is connected with the two short faces (112) and the two arc faces (113).

5. The double-sided anti-static PET release film according to claim 2, characterized in that, The plurality of openings (210) are arranged along the two long faces (111) and the two short faces (112), and the plurality of round openings (220) are arranged along the plurality of arc faces (113).

6. The double-sided anti-static PET release film according to claim 5, characterized in that, The thickness of the hardened film (310) is equal to the thickness of the upper anti-static layer (130), and the bottom of the hardened film (310) is flush with the bottom of the upper anti-static layer (130).

7. The double-sided anti-static PET release film according to claim 2, characterized in that, ​

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