Easily-uncovered sealing gasket

Abstract

The invention discloses a sealing gasket easy to uncover. The sealing gasket comprises a functional layer, an adhesive sealing layer, a strong adhesive layer, an electromagnetic induction heating layer and a release layer, a lifting part, a lifting neck part and a hollow area are arranged on the upper surface of the easy-to-uncover sealing gasket; the hollow-out area is formed by cutting a hollow-out cutting line, the hollow-out area is located on the periphery of the lifting part, the hollow-out area is connected with the two sides of the lifting neck part, and the thickness of the part, corresponding to the hollow-out area, of the easy-to-uncover sealing gasket is smaller than the maximum thickness of the easy-to-uncover sealing gasket; the functional layer of the easy-to-uncover sealing gasket is further provided with a tearing line, one end of the tearing line is connected with the lifting part, and the other end of the tearing line and the outermost ring of the easy-to-uncover sealing gasket are spaced by a tearing distance. The sealing gasket easy to uncover can be conveniently uncovered.

Description

Technical Field

[0001] The invention relates to the field of sealing gaskets, in particular to an easy-to-remove sealing gasket. Background Art

[0002] In order to prevent the contents in packaging containers (such as beverage cans and medicine cans) from leaking out and being affected by the external environment and deteriorating, a sealing gasket is used to seal the container mouth of the packaging container. By using the sealing gasket to tightly combine with the container mouth, the effect of preventing the contents from leaking out and sealing and preserving the contents can be achieved.

[0003] However, the design of the conventional sealing gasket mainly considers the sealing property, but does not consider the ease of tearing. In this case, the aluminum foil or cardboard of the sealing gasket closing the container mouth is not easy to open by pressing with fingers, and cutting with a knife or poking with an awl is both troublesome and dangerous, causing inconvenience to the user.

[0004] In view of the above problems, it is necessary to study an easy-to-remove sealing gasket, which has the advantage of being easy to remove. Summary of the invention

[0005] The object of the present invention is to provide an easy-to-remove sealing gasket, which has the advantage of being easy to remove.

[0006] In order to achieve the above object, the solution of the present invention is: An easy-to-peel sealing gasket comprises a functional layer, an adhesive layer, a strong adhesive layer, an electromagnetic induction heating layer and a release layer; the upper surface of the easy-to-peel sealing gasket is provided with a lifting portion, a lifting neck and a hollow area; the hollow area is cut by a hollow cutting line, the hollow area is located at the periphery of the lifting portion, and the hollow area is connected to both sides of the lifting neck, and the thickness of the part of the easy-to-peel sealing gasket corresponding to the hollow area is less than the maximum thickness of the easy-to-peel sealing gasket; the functional layer of the easy-to-peel sealing gasket is also provided with a tear line, one end of the tear line is connected to the lifting portion, and the other end of the tear line is connected to the easy-to-peel sealing gasket The outermost circles of the sheets are separated by a tearing distance, which is greater than or equal to 0 mm and less than or equal to 20 mm; the tearing line is provided with at least one tearing and cutting point; the functional layer comprises a surface film and a connecting film which are compounded in sequence from top to bottom; the sealing layer is located below the functional layer; the strong adhesive layer is located between the functional layer and the sealing layer; the electromagnetic induction heating layer is located between the functional layer and the sealing layer; the release layer is located on the lower surface of the connecting film corresponding to the lifting portion, or the release layer is located on the upper surface or lower surface of the electromagnetic induction heating layer corresponding to the lifting portion, the lifting neck and the hollow area.

[0007] The functional layer portions corresponding to the tearing and cutting points of the tear line are not completely cut in the vertical direction, and the functional layer portions corresponding to the portions of the tear line other than the tearing and cutting points are completely cut.

[0008] The functional layer portion corresponding to each tearing and cutting point of the tear line is not cut in the vertical direction and the length of the tearing and cutting point is 0.02 to 0.9 mm. The functional layer portion corresponding to the portion of the tear line other than each tearing and cutting point is completely cut.

[0009] The lifting portion, the lifting neck and the hollow area are all located in the same half of the easy-to-peel closure gasket.

[0010] The upper surface of the easy-to-peel sealing gasket is also provided with a tear-twist cutting line, which is connected to the lifting part, and the tearing line and the tear-twist cutting line are respectively connected to the two ends of the lifting part.

[0011] The hollow area includes a first hollow sub-area, a second hollow sub-area, a third hollow sub-area and a fourth hollow sub-area. The first hollow sub-area is cut by a first hollow secondary cutting line, the second hollow sub-area is cut by a second hollow secondary cutting line, the third hollow sub-area is cut by a third hollow secondary cutting line, and the fourth hollow sub-area is cut by a fourth hollow secondary cutting line.

[0012] The hollow cutting line is provided with at least three hollow cutting points, the functional layer parts corresponding to the respective hollow cutting points are not completely cut off in the vertical direction, and the functional layer parts corresponding to the parts of the hollow cutting line other than the respective hollow cutting points are completely cut off.

[0013] The hollow cutting line is provided with at least three hollow cutting points, the functional layer portion corresponding to each hollow cutting point is not cut in the vertical direction and the length of the hollow cutting point is 0.02 to 0.9 mm, and the functional layer portion corresponding to the portion of the hollow cutting line other than each hollow cutting point is completely cut.

[0014] The surface film comprises at least one of a PI film, a PEN film, a PET film, a PP film, a PE film and a PA film, and the thickness of the surface film is 12 to 150 μm.

[0015] The connecting film includes at least one of an EPE layer, an EPP layer, a PE layer, a PP layer, a PET layer and a PA layer, and the thickness of the connecting film is 12 to 200 μm.

[0016] The sealing layer is a hot melt adhesive, the material of which is one of EVA, PIB, EAA, EEA, EBA, EMAA, EMAC, polyacrylate and acrylic copolymer, and the thickness of the hot melt adhesive is 4 to 100µm.

[0017] The sealing layer includes a sealing film and an adhesive, wherein the sealing film includes at least one of PE film, PP film, PET film, PA film, PVDC film and EVOH film, and the thickness of the sealing film is 12 to 100µm; the adhesive is arranged between the sealing film and the electromagnetic induction heating layer.

[0018] The strong adhesive layer is a dry composite adhesive or a hot-melt laminating adhesive. The dry composite adhesive makes the peel strength between the connecting film and the electromagnetic induction heating layer after lamination greater than 12N / 15mm. The hot-melt laminating adhesive makes the peel strength between the connecting film and the electromagnetic induction heating layer after lamination greater than 12N / 15mm. The material of the hot-melt laminating adhesive is one of PE, PP, EMAA, EAA, EEA, EMAC and EMMA. The thickness of the hot-melt laminating adhesive is 4 to 50µm.

[0019] The material of the release layer is one of wax, varnish and silicone oil, and the thickness of the release layer is 0.5 to 40µm; the release layer is coated on the lower surface of the connecting film or the electromagnetic induction heating layer, and the coating area of ​​the release layer is not smaller than the lifting part.

[0020] The material of the release layer is one of wax, varnish and silicone oil, and the thickness of the release layer is 0.5 to 40µm; the release layer is coated on the upper surface of the electromagnetic induction heating layer, and the coating area of ​​the release layer is not less than the lifting part and the hollow area.

[0021] The functional layer also includes a foam film and / or a foam plate film located between the surface film and the connecting film; the foam film is made of EPE or EPP, and the thickness of the foam film is 60 to 300µm; the foam plate film is made of EPE or EPP, and the thickness of the foam plate film is 0.6 to 3mm.

[0022] The functional layer also includes a composite film located between the surface film and the connecting film, the composite film includes at least one of a PI film, a PEN film, a PET film, a PA film, a PP film and a PE film, and the thickness of the composite film is 12 to 100 µm.

[0023] The functional layer also includes a foaming layer located between the surface film and the connecting film. The foaming layer is made of EPE or EPP, and the thickness of the foaming layer is 60 to 3000 μm.

[0024] The electromagnetic induction heating layer is made of aluminum foil.

[0025] The electromagnetic induction heating layer adopts a wireless information integrated sheet; the wireless information integrated sheet includes a base film, an information and heating layer and a first adhesive layer; the information and heating layer includes an information area and an electromagnetic induction heating ring; the information area has an antenna and a chip that are connected to each other, the electromagnetic induction heating ring surrounds the information area, and the first adhesive layer is located between the base film and the information and heating layer.

[0026] There is a gap between the electromagnetic induction heating ring and the information area.

[0027] The interval between the electromagnetic induction heating ring and the information area is 0.1mm to 3mm.

[0028] There is a full space between the electromagnetic induction heating ring and the information area.

[0029] The information and heating layer also includes at least one physical connection bridge, which connects the information area and the electromagnetic induction heating ring.

[0030] The wireless information integrated sheet also includes a protective layer and a second adhesive layer. The protective layer is located on the side of the information and heating layer away from the base film, and the second adhesive layer is located between the information and heating layer and the protective layer.

[0031] After adopting the above scheme, the easy-to-peel sealing gasket of the present invention can not only prevent the leakage of contents and deterioration due to the influence of the external environment, but also allow the user to directly pinch the lifting part with hands and pull it up and peel it off along the lifting part, the lifting neck and the tear line without the help of external objects, so that the various layers in the easy-to-peel sealing gasket are pulled up along the lifting part, thereby further achieving the effect of easy opening and complete peeling. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 The structure of the first embodiment of the present invention is shown in FIG. Figure 1 .

[0033] Figure 2 The structure of the first embodiment of the present invention is shown in FIG. Figure 2 .

[0034] Figure 3 It is a structural diagram of embodiment 2 of the present invention.

[0035] Figure 4 It is a structural diagram of embodiment 3 of the present invention.

[0036] Figure 5 It is a structural diagram of embodiment 4 of the present invention.

[0037] Figure 6 It is a structural diagram of embodiment 5 of the present invention.

[0038] Figure 7 It is a structural diagram of embodiment 6 of the present invention.

[0039] Figure 8 This is a schematic diagram of the structure of Embodiment 7 of the present invention.

[0040] Fig. 9 It is a structural diagram of embodiment 8 of the present invention.

[0041] Fig.10 It is a cross-sectional schematic diagram of the first embodiment of the wireless information integrated chip of the present invention.

[0042] Fig.11 This is a plan view of the information and heating layer of the first embodiment of the wireless information integrated sheet of the present invention.

[0043] Fig.12 This is a plan view of the information area of ​​the first embodiment of the wireless information integrated sheet of the present invention.

[0044] Fig.13 It is a cross-sectional schematic diagram of a second embodiment of the wireless information integrated chip of the present invention.

[0045] Fig.14 This is a plan view of the information and heating layer of the third embodiment of the wireless information integrated sheet of the present invention.

[0046] Fig.15 This is a schematic plan view of the information area of ​​the third embodiment of the wireless information integrated chip of the present invention.

[0047] Description of labels: Functional layer 100, surface film 110, connecting film 120, foaming film 130, foaming plate film 140, composite film 150, foaming layer 160, Strong adhesive layer 200, Release layer 210, Electromagnetic induction heating layer 300, Sealing layer 400, sealing film 410, adhesive 420, Adhesive 500, The lifting part 610, Lift the neck 620, hollow area 630, first hollow sub-area 631, second hollow sub-area 632, third hollow sub-area 633, fourth hollow sub-area 634, Outlying area 640, The main cutting line 700, the tearing line 710, the tearing distance 715, the hollow cutting line 720, the first hollowing secondary cutting line 721, the second hollowing secondary cutting line 722, the third hollowing secondary cutting line 723, the fourth hollowing secondary cutting line 724, the tearing and twisting cutting line 730, The first coating range 810, the second coating range 820, Base film 1w, first adhesive layer 2w, information and heating layer 3w, information area 31w, chip 311w, antenna 312w, physical connection bridge 33w, electromagnetic induction heating ring 32w, second adhesive layer 4w, protective layer 5w, Interval ITV. DETAILED DESCRIPTION

[0048] In order to further explain the technical solution of the present invention, the present invention is described in detail below through specific embodiments.

[0049] Embodiment 1: Cooperate Figure 1 and Figure 2As shown, in the first embodiment of the present invention, the easy-to-peel sealing gasket of the present invention comprises a functional layer 100, a strong adhesive layer 200, an electromagnetic induction heating layer 300 and an adhesive sealing layer 400 which are compounded in sequence from top to bottom, and the functional layer 100 comprises a surface film 110 and a connecting film 120 which are compounded in sequence from top to bottom. In addition, a release layer 210 is further included between the functional layer 100 and the electromagnetic induction heating layer 300. Below, each layer is described in detail.

[0050] In the first embodiment of the present invention, the surface film 110 is the surface layer (i.e., the top layer) of the easy-to-peel sealing gasket, and both the upper surface and the lower surface of the surface film 110 can be printing surfaces, so as to print different patterns. The surface film 110 includes at least one of PI film, PEN film, PET film, PP film, PE film, and PA film; the thickness of the surface film 110 is preferably 12 to 150µm, within this range, the tensile strength is greater, the surface is flat, and the glossiness is better; in addition, when the bottom of the easy-to-peel sealing gasket feels heat conduction, the surface film 110 can be prevented from being bonded to other external components (such as bottle caps, etc.).

[0051] In the first embodiment of the present invention, the connecting film 120 is used to be compounded with the electromagnetic induction heating layer 300. The connecting film 120 includes at least one of an EPE film, an EPP film, a PE film, a PP film, a PET film, and a PA film. The thickness of the connecting film 120 is preferably 12 to 200 μm, thereby improving the peel strength of the connecting film 120 after compounding with the electromagnetic induction heating layer 300.

[0052] In the first embodiment of the present invention, the strong adhesive layer 200 is located between the connecting film 120 and the electromagnetic induction heating layer 300, and the strong adhesive layer 200 is used to compound the connecting film 120 and the electromagnetic induction heating layer 300, so that the peel strength between the connecting film 120 and the electromagnetic induction heating layer 300 after compounding is greater than 12N / 15mm. In addition, because there is also a release layer 210 between the connecting film 120 and the electromagnetic induction heating layer 300, and the release layer 210 is a material that is easy to peel off, the strong adhesive layer 200 can be further used to tightly compound the connecting film 120, the release layer 210 and the electromagnetic induction heating layer 300, and the peel strength after compounding is greater than 12N / 15mm. The strong adhesive layer 200 can be a dry composite adhesive, and the thickness of the dry composite adhesive is preferably 0.5 to 6µm. The strong adhesive layer 200 may also be a hot melt laminating adhesive, and the material of the hot melt laminating adhesive is one of PE, PP, EMAA, EMAC, EAA, EEA and EMMA, and the thickness of the hot melt laminating adhesive is preferably 4 to 50 μm, but is not limited thereto. Through the configuration of the strong adhesive layer 200 of the present invention, when the user pinches the lifting part described later and pulls it upward to peel it off, it will be easier to pull up and peel off the layers of the easy-peel sealing gasket.

[0053] In the first embodiment of the present invention, the release layer 210 is located between the connecting film 120 and the electromagnetic induction heating layer 300. The material of the release layer 210 is one of wax, varnish and silicone oil, and the thickness of the release layer 210 is preferably 1 to 40µm, but not limited thereto. The surface of the release layer 210 can be a glossy surface, a matte surface or a lattice surface, so that the release layer 210 has the characteristic of being easy to peel off. Through the configuration of the release layer 210, the present invention can make the later-described lifting part less likely to be adhered to the electromagnetic induction heating layer 300 below, so that the user can more easily lift the lifting part, and then the layers in the easy-to-peel sealing gasket can be more easily pulled up along with the lifting part, thereby improving the convenience of the user to uncover it.

[0054] Cooperate Figure 1 As shown, the release layer 210 is located on the lower surface of the portion of the connecting film 120 corresponding to the lifting portion described later. When the release layer 210 is coated on the lower surface of the connecting film 120, the coating area of ​​the release layer 210 is not smaller than the area corresponding to the lifting portion; thereby, after the functional layer 100 cuts off the hollow area described later and the functional layer 100 is compounded with the lower layer, it can be ensured that the lifting portion is not easily adhered to the electromagnetic induction heating layer 300 below, and the lifting portion can be more easily lifted and pinched, thereby improving the convenience of the user to uncover.

[0055] In the first embodiment of the present invention, the electromagnetic induction heating layer 300 can be aluminum foil, which is an existing structure in the conventional sealing gasket. The thickness of the aluminum foil is preferably 10 to 40 μm, so as to enhance the barrier function against moisture and oxygen, thereby preventing the leakage of the contents and sealing and preserving the contents. The electromagnetic induction heating layer 300 can also be a wireless information integrated chip, which can increase the function of wireless information transmission, reduce the waste of aluminum foil materials, reduce energy consumption, avoid waste of manpower, avoid interference from metals and liquids, improve production efficiency, have good communication performance and greatly improve the communication distance, thereby greatly improving the automation, digitization and intelligent development of factories, warehouses, logistics, stores, and unmanned cashier management.

[0056] In the first embodiment of the present invention, the adhesive layer 400 is used to seal the container mouth to prevent the contents in the container from leaking out and / or being affected by the external environment and deteriorating. The adhesive layer 400 can be a hot melt adhesive, and the material of the hot melt adhesive is one of EVA, PIB, EAA, EEA, EBA, EMAA, polyacrylate and acrylic copolymer, which can be easily opened from the bottle mouth after electromagnetic induction sealing or easily opened cleanly from the bottle mouth, but is not limited thereto; the thickness of the hot melt adhesive is preferably 4 to 100µm. The hot melt adhesive can achieve a continuous sealing effect even when the contents of the packaging container contain water, and can also achieve a continuous sealing effect when the contents of the packaging container contain chili, garlic, fermented bean curd, honey, and spicy additives.

[0057] In the first embodiment of the present invention, the layers in the functional layer 100 can be composited by various methods (such as bonding, joining or laminating, etc.). For example, the present invention can composite the layers in the functional layer 100 by using an adhesive (such as dry composite adhesive, etc.).

[0058] In the first embodiment of the present invention, Figure 2 As shown, the upper surface of the easy-to-peel sealing gasket is provided with a lifting portion 610, a lifting neck 620, a hollow area 630 and a peripheral area 640. For details, see Figure 2 As shown, the lifting portion 610 is equivalent to the area surrounded by points abcda, the lifting neck 620 is equivalent to the area between points ge, the hollow area 630 is equivalent to the area surrounded by points abcdefga, and the peripheral area 640 is equivalent to the area surrounding the lifting portion 610, the lifting neck 620 and the hollow area 630.

[0059] In the first embodiment of the present invention, the hollow area 630 is cut by the hollow cutting line 720, see Figure 2 As shown, the hollow cutting line 720 is equivalent to the line connected by points abcdefga. The hollow area 630 is located at the periphery of the lifting portion 610, and the hollow area 630 is connected to both sides of the lifting neck 620. One end of the hollow area 630 (i.e. point g) is connected to the left side of the lifting neck 620, and the other end of the hollow area 630 (i.e. point e) is connected to the right side of the lifting neck 620. The hollow area 630 is used to remove the corresponding part of the functional layer 100, so that the thickness of the part of the easy-to-peel sealing gasket corresponding to the hollow area 630 is less than the maximum thickness of the easy-to-peel sealing gasket, so that the nails and fingertips of the user's fingers can poke the bottom of the lifting portion 610, so that the lifting portion 610 can be more easily lifted and pinched, thereby improving the convenience of the user to open it.

[0060] In the first embodiment of the present invention, the functional layer of the easy-to-peel sealing gasket of the present invention is further provided with a tear line 710, see Figure 2 As shown, the tear line 710 is equivalent to the line connected by the points aghi. One end of the tear line 710 (i.e., point a) is connected to the lifting portion 610, and the other end of the tear line 710 (i.e., point i) is separated from the outermost circle of the easy-peel sealing gasket by a tear spacing 715, and the tear spacing 715 is greater than 0 mm, and the tear spacing 715 is less than or equal to 20 mm. Preferably, the tear spacing 715 is greater than 0 mm and the tear spacing 715 is less than or equal to 10 mm. By configuring the tearing distance 715 of the present invention, when the user pinches the lifting portion 610 and lifts the lifting portion 610 along the tearing line 710, and as the end of the tearing line 710 (i.e., point i) is torn up, the easy-to-peel sealing gasket will provide a buffering effect due to the termination of the tearing line 710, thereby preventing the user from tearing only part of the easy-to-peel sealing gasket (such as the lifting portion 610 and the area above it) due to a strong tearing force, and further reminding the user to appropriately change the tearing force and force direction to improve the integrity of the sealing gasket.

[0061] In addition, since the tear line 710 spans across one side of the lifting neck 620 (such as Figure 2 The left side of the lifting neck 620 shown in the figure, that is, point g), so the user can use, for example, a clockwise direction to pull up and peel off the lifting portion 610, the lifting neck 620, the hollow area 630 and the peripheral area 640 in sequence, so that the layers of the easy-to-peel sealing gasket are pulled up by the user, thereby further allowing the user to completely tear off the easy-to-peel sealing gasket.

[0062] In the first embodiment of the present invention, the tear line 710 is provided with at least one tearing and cutting point, so that even if the functional layer 100 is cut or the hollow area 630 is cut off, the various sections of the functional layer 100 can still be connected at the tearing and cutting point, and will not fall apart. Among them, the functional layer 100 portion corresponding to each tearing and cutting point of the tear line 71 is not completely cut in the vertical direction, and the functional layer 100 portion corresponding to the portion other than each tearing and cutting point of the tear line 710 is completely cut; or, the functional layer 100 portion corresponding to each tearing and cutting point of the tear line 710 is not cut in the vertical direction and the length of the tearing and cutting point is 0.02 to 0.9 mm, and the functional layer 100 portion corresponding to the portion other than each tearing and cutting point of the tear line 710 is completely cut. When the user holds the lifting portion 610 with his hands and tears along the tear line 710 to the tearing and cutting point, a brief pause in the tearing action will be formed to accumulate increased tearing force and be more conducive to subsequent tearing; in addition, during the processing, the existence of the tearing and cutting point also pulls the lifting portion 610 and the lifting neck 620, so that they will not droop or float up, so as to avoid poor quality during the processing.

[0063] In the first embodiment of the present invention, the hollow cutting line 720 is not provided with a hollow cutting point, so that after the functional layer is cut out of the outline of the hollow area 630 , the residual material of the hollow area 630 can be more easily separated from the functional layer.

[0064] In the first embodiment of the present invention, since the release layer 210 is coated on the lower surface of the bonding film, the coating area of ​​the release layer is not smaller than the area corresponding to the lifting portion 610. Figure 2 As shown, at this time, the coating area of ​​the release layer 210 is not less than the first coating range 810 (equivalent to Figure 2 Thus, after the hollow area 630 is cut out of the functional layer 100 and the functional layer 100 is compounded with the underlying layer, it is possible to ensure that the lifting portion 610 is not easily adhered to the underlying electromagnetic induction heating layer, and the lifting portion 610 can be more easily lifted and pinched, thereby improving the convenience of uncovering by the user.

[0065] In the first embodiment of the present invention, the hollow cutting line 720 and the tearing line 710 can be combined into a large cutting line 700, see Figure 2 As shown, the large cutting line 700 is equivalent to the line connected by the points gfedcbaghi. The large cutting line 700 can be formed by cutting in a continuous arrangement of a cutting knife, and then the large cutting line 700 is formed in one go (or in a one-cut formation); thereby, the large cutting line 700 can be cut in a one-step manufacturing method, thereby improving the convenience of manufacturing and being easy to tear and beautiful.

[0066] The method for manufacturing the easy-to-peel sealing gasket of the first embodiment of the present invention is as follows: First, printing is performed on the surface film roll to produce a printed surface film roll. Next, adhesive is applied to the composite surface of the printed surface film roll to dry-combine the surface film roll with the connecting film roll, and the roll is placed in a maturing chamber for more than 24 hours to produce a functional layer roll. Secondly, an adhesive is applied to the lower surface of the electromagnetic induction heating layer coil, and the composite surface of the electromagnetic induction heating layer coil and the sealing film coil is dry-laminated and sent to a curing chamber for more than 24 hours to form a composite part of the electromagnetic induction heating layer and the sealing layer; or, as a substitute for the sealing layer, a hot melt adhesive can be directly applied to the lower surface of the electromagnetic induction heating layer coil to form a composite part of the electromagnetic induction heating layer and the sealing layer; Then, a release layer is applied on the lower surface of the connecting film of the functional layer roll, and then a cutting mold is used to cut the upper surface of the surface film in accordance with the printed pattern to cut out tear lines, hollow cutting lines, and hollow areas; wherein the coating area of ​​the release layer is not smaller than the lifting part, and the hollow area hollows out and removes the thickness of the functional layer; Next, a strong adhesive layer is coated on the upper surface of the electromagnetic induction heating layer, for example, the strong adhesive layer is fully coated on the upper surface of the electromagnetic induction heating layer, so that the electromagnetic induction heating layer and the lower surface of the connecting film coated with the release layer are dry-compounded, and the film is placed in a maturing chamber for more than 24 hours to produce an easy-to-peel sealing gasket roll.

[0067] Finally, the upper surface of the surface film of the easy-peel sealing gasket roll is cut downward to cut out the easy-peel sealing gasket of the size required by the customer.

[0068] Among them, the peel strength between the two layers of materials compounded by the adhesive and the bonding agent is greater than 4N / 15mm, and the peel strength between the two layers of materials compounded by the strong adhesive layer is greater than 12N / 15mm. The temperature of the drying tunnel above the printing machine is 60 to 80°C, and the temperatures of the five sections of the upper drying tunnel of the dry laminating machine are 60 to 65°C, 65 to 70°C, 70 to 75°C, 75 to 80°C, and 80 to 85°C respectively. The temperature of the compounding roller of the dry laminating machine is 50 to 60°C. The temperature of the aging chamber is 50 to 55°C.

[0069] Embodiment 2: Cooperate Figure 3 As shown, the difference between the second embodiment of the present invention and the first embodiment is that the release layer 210 is set at a different position. Specifically, in the second embodiment of the present invention, the release layer 210 is located on the upper surface of the portion of the electromagnetic induction heating layer 300 corresponding to the lifting portion, the lifting neck, and the hollow area. Since the release layer 210 is coated on the upper surface of the electromagnetic induction heating layer 300, the coating area of ​​the release layer 210 is not less than the lifting portion 610 and the hollow area 630, so that Figure 2For example, at this time, the coating area of ​​the release layer 210 is not larger than the second coating range 820 (equivalent to Figure 2 Thus, after the functional layer 100 is compounded with the layer below and the hollow area 630 is cut off downward from the surface film 100 of the functional layer 100, the hollow area 630 can be more easily removed, and it can be ensured that the lifting portion 610 is not easily adhered to the electromagnetic induction heating layer below, and the lifting portion 610 can be more easily lifted and pinched, thereby improving the convenience of the user to uncover it.

[0070] The manufacturing method of the easy-to-peel sealing gasket of the second embodiment of the present invention is as follows: First, apply adhesive on the lower surface of the surface film roll, make the surface film roll and the connecting film roll dry-compounded, put into the aging room for more than 24 hours, and make the functional layer roll; Secondly, an adhesive is applied to the lower surface of the electromagnetic induction heating layer coil, and the composite surface of the electromagnetic induction heating layer coil and the sealing film coil is dry-laminated and sent to a aging chamber for more than 24 hours to make a first composite coil; or, as a substitute for the sealing layer, a hot melt adhesive can be directly applied to the lower surface of the electromagnetic induction heating layer coil to make the first composite coil; Then, a release layer is applied on the upper surface of the electromagnetic induction heating layer of the first composite part coil to make a second composite part coil; wherein the coating area of ​​the release layer is not smaller than the lifting part and the hollow area; Next, a strong adhesive layer is applied to the lower surface of the functional layer coil, and the functional layer coil is dry-compounded with the upper surface of the second composite part coil, and placed in a maturing chamber for more than 24 hours to produce a coil of an easy-to-peel sealing gasket blank; Next, printing is performed on the upper surface of the surface film of the first roll of the easy-to-peel sealing gasket blank material to produce a second roll of the printed easy-to-peel sealing gasket blank material; Next, a cutting die is used to cut downwards from the upper surface of the surface film of the second roll of the easy-to-peel sealing gasket blank material to cut out a tear line, a hollow cutting line, and a hollow area; Next, the first roll of the easy-to-peel-off sealing gasket blank material and the second roll of the easy-to-peel-off sealing gasket blank material are compounded to obtain the easy-to-peel-off sealing gasket roll material; Finally, the peel-off gasket roll is cut into the size required by the customer.

[0071] Embodiment three: Cooperate Figure 4 As shown, the main difference between the third embodiment of the present invention and the first embodiment lies in the arrangement of the lifting portion 610 , the lifting neck 620 , and the hollow area 630 .

[0072] Specifically, in the third embodiment of the present invention, the lifting portion 610, the lifting neck 620 and the hollow area 630 are all located in the same half of the easy-to-peel sealing gasket of the present invention, so that the manufacturer can use the area of ​​the other half to make other design considerations, so as to meet the design requirements of the manufacturer, thereby improving the manufacturer's design flexibility and / or the aesthetics of the sealing gasket. The lifting portion 610, the lifting neck 620 and the hollow area 630 can all be located in the upper half of the easy-to-peel sealing gasket; the lifting portion 610, the lifting neck 620 and the hollow area 630 can also all be located in the lower half, left half or right half of the easy-to-peel sealing gasket.

[0073] In the third embodiment of the present invention, see Figure 4 As shown, the lifting portion 610 is equivalent to the area surrounded by points abcda, the lifting neck 620 is equivalent to the area between points he, the hollow area 630 is equivalent to the area surrounded by points abcdefga, and the peripheral area 640 is equivalent to the area surrounding the lifting portion 610, the lifting neck 620 and the hollow area 630. In addition, the tearing line 710 is equivalent to the line connected by points aghi, the hollow cutting line 720 is equivalent to the line connected by points abcdefga, and the large cutting line 700 is equivalent to the line connected by points gfedcbaghi. Furthermore, the tearing line 710 is provided with at least one tearing cutting point, while the hollow cutting line 720 is not provided with a hollow cutting point.

[0074] In the third embodiment of the present invention, if the release layer 210 is coated on the lower surface of the connecting film 120, the coating area of ​​the release layer 210 is not less than the area corresponding to the lifting portion 610. At this time, the coating area of ​​the release layer is not less than the first coating range 810 (equivalent to Figure 4 If the release layer 20 is coated on the upper surface of the electromagnetic induction heating layer 300, the coating area of ​​the release layer 210 is not less than the lifting portion 610 and the hollow area 630. At this time, the coating area of ​​the release layer 210 is not greater than the second coating range 820 (equivalent to Figure 4 The area enclosed by the dotted line in the figure).

[0075] Embodiment 4: Cooperate Figure 5 As shown, the main difference between the fourth embodiment of the present invention and the first embodiment lies in the arrangement of the lifting portion 610, the lifting neck 620, and the hollow area 630, and the upper surface of the easy-to-peel sealing gasket of the fourth embodiment of the present invention is also provided with a tear-twist cutting line 730.

[0076] Specifically, in the fourth embodiment of the present invention, the lifting portion 610, the lifting neck 620 and the hollow area 630 are all located in the same half of the easy-to-peel sealing gasket of the present invention; see Figure 5 As shown, the lifting portion 610 is equivalent to the area surrounded by points abcda, the lifting neck 620 is equivalent to the area between points he, the hollow area 630 is equivalent to the area surrounded by points abcdefga, and the peripheral area 640 is equivalent to the area surrounding the lifting portion 610, the lifting neck 620 and the hollow area 630; the tear line 710 is equivalent to the line connected by points aghi, and the hollow cutting line 720 is equivalent to the line connected by points abcdefga. Furthermore, the tear line 710 is provided with at least one tear cutting point, while the hollow cutting line 720 is not provided with a hollow cutting point.

[0077] In the fourth embodiment of the present invention, the upper surface of the easy-to-peel sealing gasket of the present invention is further provided with a tear-twist cutting line 730, the tear-twist cutting line 730 is connected to the lifting portion 610, and the tear line 710 and the tear-twist cutting line 730 are respectively connected to the two ends of the lifting portion 610. Figure 5 As shown, the tear-twist cutting line 730 is equivalent to the line connected by the points djk. The tear-off line 710 is connected to one end of the lifting portion 610 (i.e., point a), and the tear-twist cutting line 730 is connected to the other end of the lifting portion 610 (i.e., point d), so that the tear-off line 710 and the tear-twist cutting line 730 are respectively arranged on the left and right sides of the hollow area 630. Through the configuration of the tear-twist cutting line 730, when the user pinches the lifting portion 610 and lifts the lifting portion 610 along the tear-off line 710, and after the end of the tear-twist line 710 (i.e., point i) is torn off, the present invention can not only provide a buffering effect due to the termination of the tear-off line 710, but also guide the user to further tear off the easy-to-peel sealing gasket along the tear-twist cutting line 730, thereby reminding the user to appropriately change the tearing force and force direction to improve the integrity of the sealing gasket.

[0078] In the fourth embodiment of the present invention, if the release layer 210 is coated on the lower surface of the connecting film 120, the coating area of ​​the release layer 210 is not less than the area corresponding to the lifting portion 610. At this time, the coating area of ​​the release layer 210 is not less than the first coating range 810 (equivalent to Figure 5 If the release layer 210 is coated on the upper surface of the electromagnetic induction heating layer 300, the coating area of ​​the release layer 210 is not less than the lifting portion 610 and the hollow area 630. At this time, the coating area of ​​the release layer is not greater than the second coating range 820 (equivalent to Figure 5 The area enclosed by the dotted line in the figure).

[0079] Embodiment five: Cooperate Figure 6As shown, the main difference between the fifth embodiment of the present invention and the first embodiment lies in the setting of the hollow area 630. The hollow area 630 includes a plurality of hollow sub-areas, and each hollow sub-area is cut by each hollow sub-cutting line.

[0080] Specific, cooperate Figure 6 As shown, in the fifth embodiment of the present invention, the upper surface of the easy-to-peel sealing gasket may be provided with a lifting portion 610, a lifting neck 620, a first hollow sub-area 631, a second hollow sub-area 632, a third hollow sub-area 633, a fourth hollow sub-area 634 and a peripheral area 640. Figure 6 As shown, the lifting portion 610 is equivalent to the area surrounded by points abcdefgqa, the lifting neck 620 is equivalent to the area between points qh, the first hollow sub-area 631 is equivalent to the area surrounded by points fghijkf, the second hollow sub-area 632 is equivalent to the area surrounded by points elmde, the third hollow sub-area 633 is equivalent to the area surrounded by points cnobc, the fourth hollow sub-area 634 is equivalent to the area surrounded by points apqa, and the peripheral area 640 is equivalent to the area surrounding the lifting portion 610, the lifting neck 620, the first hollow sub-area 631, the second hollow sub-area 632, the third hollow sub-area 633 and the fourth hollow sub-area 634.

[0081] In the fifth embodiment of the present invention, the first hollow sub-area 631, the second hollow sub-area 632, the third hollow sub-area 633 and the fourth hollow sub-area 634 are located at the periphery of the lifting portion 610, and the first hollow sub-area 631 and the fourth hollow sub-area 634 are respectively connected to the two sides of the lifting neck 620, see Figure 6 As shown, one end of the first hollow sub-area 631 (i.e., point h) is connected to the right side of the lifting neck 620, and one end of the fourth hollow sub-area 634 (i.e., point q) is connected to the left side of the lifting neck 620. Each hollow sub-area can be cut by each hollow sub-cutting line, see Figure 6As shown, the first hollow sub-area 631 can be cut by the first hollow sub-cutting line 721, the second hollow sub-area 632 can be cut by the second hollow sub-cutting line 722, the third hollow sub-area 633 can be cut by the third hollow sub-cutting line 723, and the fourth hollow sub-area 634 can be cut by the fourth hollow sub-cutting line 724. The first hollow sub-cutting line 721 is equivalent to the line connected by the points fghijkf, the second hollow sub-cutting line 722 is equivalent to the line connected by the points elmde, the third hollow sub-cutting line 723 is equivalent to the line connected by the points cnobc, and the fourth hollow sub-cutting line 724 is equivalent to the line connected by the points apqa. In the fifth embodiment, since the hollow area may include multiple hollow sub-areas, and each hollow sub-area may be cut by each hollow sub-cutting line, the manufacturer can more effectively utilize the space on the upper surface of the easy-to-peel sealing gasket to carry out other design considerations, so as to meet the manufacturer's design requirements, thereby enhancing the manufacturer's design flexibility and / or the aesthetics of the sealing gasket.

[0082] In the fifth embodiment of the present invention, see Figure 6 As shown, the tear line 710 is equivalent to the line connected by the points aqr, and the tear line 710 is provided with at least one tearing and cutting cutting point, so that even if the functional layer is cut or the first hollow sub-area 631, the second hollow sub-area 632, the third hollow sub-area 633 and the fourth hollow sub-area 634 are cut off, the blocks of the functional layer can still be connected at the tearing and cutting cutting point, and will not be scattered. The hollow cutting line is equivalent to the line connected by the points abcdefghijklmnopqa, and the hollow cutting line is provided with at least three hollow cutting cutting points, so that even if the functional layer is cut or the first hollow sub-area 631, the second hollow sub-area 632, the third hollow sub-area 633 and the fourth hollow sub-area 634 are cut off, the blocks of the functional layer can still be connected at the tearing and cutting cutting point, and will not be scattered. The hollow cutting line is provided with at least three hollow cutting points, wherein the functional layer portions corresponding to each hollow cutting point of the hollow cutting line are not completely cut in the vertical direction, and the functional layer portions corresponding to the portions of the hollow cutting line other than each hollow cutting point are completely cut; or, the functional layer portions corresponding to each hollow cutting point are not cut in the vertical direction and the length of the hollow cutting point is 0.02 to 0.9 mm, and the functional layer portions corresponding to the portions of the hollow cutting line other than each hollow cutting point are completely cut.

[0083] In the fifth embodiment of the present invention, the first hollowed-out secondary cutting line 721, the line connected by fedcba and the tearing line 710 can be combined into a large cutting line 700, see Figure 6As shown, the large cutting line 700 is equivalent to the line connected by the points fghijkfedcbaqr. In some specific examples, the large cutting line 700 can be formed by cutting through a continuous arrangement of a cutting knife, and then the large cutting line is formed in one go (or in one cut); thereby, the large cutting line 700 can be cut out in a one-step manufacturing method, thereby improving the convenience of manufacturing and being easy to tear open for a beautiful appearance. The second hollow sub-cutting line 722, the third hollow sub-cutting line 723 and the fourth hollow sub-cutting line 724 can also be formed by cutting through a continuous arrangement of a cutting knife.

[0084] In the fifth embodiment of the present invention, if the release layer 210 is coated on the lower surface of the bonding film 120, the coating area of ​​the release layer 210 is not less than the area corresponding to the lifting portion 610, see Figure 6 As shown, at this time, the coating area of ​​the release layer 210 is not less than the first coating range 810 (equivalent to Figure 6 If the release layer 210 is coated on the upper surface of the electromagnetic induction heating layer 300, the coating area of ​​the release layer 210 is not less than the lifting portion 610 and the hollow area 630, see Figure 6 As shown, at this time, the coating area of ​​the release layer is not larger than the second coating range 820 (equivalent to Figure 6 The area enclosed by the dotted line in the figure).

[0085] Embodiment six: Cooperate Figure 7 As shown, the difference between the sixth embodiment of the present invention and the first embodiment lies in the functional layer 100. Specifically, in the sixth embodiment of the present invention, the functional layer 100 further includes a foaming film 130 and a foaming plate film 140 sequentially arranged between the surface film 110 and the connecting film 120. In other words, the functional layer 100 includes the surface film 110, the foaming film 130, the foaming plate film 140 and the connecting film 120 sequentially compounded from top to bottom.

[0086] In the sixth embodiment of the present invention, the foam film 130 may be made of EPE or EPP, and the thickness of the foam film 130 is preferably 60 to 300 μm, but is not limited thereto. Since the foam film 130 has the characteristics of a lower foaming rate and smaller pores, the composite effect between the foam film 130 and the surface film 110 is better.

[0087] In the sixth embodiment of the present invention, the material of the foam sheet film 140 can be EPE or EPP, and the thickness of the foam sheet film 140 is preferably 0.6 to 3 mm, but not limited thereto. In this way, the foam sheet film 140 can produce a thickening effect to increase the pressure sealing ability of the easy-peel sealing gasket, thereby strengthening the pressure sealing effect when the bottle mouth and the lid do not match well.

[0088] In the sixth embodiment of the present invention, the layers in the functional layer 100 can be compounded by using an adhesive 500. In some embodiments, the adhesive 500 can be a dry composite adhesive, etc., but is not limited thereto. Figure 7 As shown, adhesive 500 may be used to laminate between the surface film 110 and the foam film 130 , between the foam film 130 and the foam plate film 140 , and between the foam plate film 140 and the connecting film 120 .

[0089] Embodiment seven: Cooperate Figure 8 As shown, the difference between the seventh embodiment of the present invention and the first embodiment lies in the functional layer 100. Specifically, in the seventh embodiment of the present invention, the functional layer 100 further includes a foaming film 130, a foaming plate film 140 and a composite film 150 sequentially arranged between the surface film 110 and the connecting film 120. In other words, the functional layer 100 includes the surface film 110, the foaming film 130, the foaming plate film 140, the composite film 150 and the connecting film 120 sequentially composited from top to bottom.

[0090] In the seventh embodiment of the present invention, the composite film 150 includes at least one of a PI film, a PEN film, a PET film, a PA film, a PP film and a PE film, and the thickness of the composite film 150 is preferably 12 to 100 μm, but is not limited thereto. The composite film 150 can improve the tensile strength of the easy-to-peel sealing gasket.

[0091] In the seventh embodiment of the present invention, adhesive 500 may be used to laminate between the foamed plate film 140 and the composite film 150 , and between the composite film 150 and the connecting film 120 .

[0092] The manufacturing method of the easy-to-peel sealing gasket of the seventh embodiment of the present invention is as follows: First, an adhesive is applied to the surface film coil to dry-compound it with the foam film coil, and then placed in a maturing chamber for more than 24 hours to produce a first composite coil.

[0093] Secondly, an adhesive is applied to the lower surface of the foam film of the first composite coil, and the first composite coil is dry-compounded with the upper surface of the foamed plate film coil, and then placed in a maturing chamber for more than 24 hours to produce a second composite coil.

[0094] Then, an adhesive is applied to the lower surface of the composite film coil to perform dry compounding with the connecting film coil, and the coil is placed in a aging chamber for more than 24 hours to produce a third composite coil.

[0095] Next, an adhesive is applied to the upper surface of the composite film of the third composite part roll, and the third composite part roll is dry-compounded with the lower surface of the foamed board film of the second composite part roll, and then placed in a aging chamber for more than 24 hours to produce a functional layer roll; Next, an adhesive is applied to the lower surface of the electromagnetic induction heating layer coil, and the composite surface of the electromagnetic induction heating layer coil and the sealing film coil is dry-laminated and sent to a curing chamber for more than 24 hours to form a composite part of the electromagnetic induction heating layer and the sealing layer; or, as a substitute for the sealing layer, a hot melt adhesive can be directly applied to the lower surface of the electromagnetic induction heating layer coil to form a composite part of the electromagnetic induction heating layer and the sealing layer; Next, a release layer is applied to the lower surface of the connecting film of the functional layer roll, and then a cutting mold is used to cut the upper surface of the surface film in accordance with the printed pattern to cut out tear lines, hollow cutting lines, and hollow areas; wherein the coating area of ​​the release layer is not smaller than the lifting part, and the hollow area hollows out and removes the thickness of the functional layer; Next, a strong adhesive layer is coated on the upper surface of the electromagnetic induction heating layer, for example, the strong adhesive layer is fully coated on the upper surface of the electromagnetic induction heating layer, so that the electromagnetic induction heating layer and the lower surface of the connecting film coated with the release layer are dry-compounded, and the film is placed in a maturation chamber for more than 24 hours to produce an easy-to-peel sealing gasket roll.

[0096] Finally, the upper surface of the surface film of the easy-peel sealing gasket roll is cut downward to cut out the easy-peel sealing gasket of the size required by the customer.

[0097] Among them, the peel strength between the two layers of materials compounded by the adhesive and the bonding agent is greater than 4N / 15mm, and the peel strength between the two layers of materials compounded by the strong adhesive layer is greater than 12N / 15mm. The temperature of the drying tunnel above the printing machine is 60 to 80°C, and the temperatures of the five sections of the upper drying tunnel of the dry laminating machine are 60 to 65°C, 65 to 70°C, 70 to 75°C, 75 to 80°C, and 80 to 85°C respectively. The temperature of the compounding roller of the dry laminating machine is 50 to 60°C. The temperature of the aging chamber is 50 to 55°C.

[0098] Embodiment eight: Cooperate Fig. 9 As shown, the difference between the eighth embodiment of the present invention and the first embodiment lies in the functional layer 100 and the sealing layer 400 .

[0099] Specifically, in the eighth embodiment of the present invention, the functional layer 100 further includes a foaming layer 160 between the surface film 110 and the connecting film 120. In other words, the functional layer 100 includes the surface film 110, the foaming layer 160 and the connecting film 120 compounded in sequence from top to bottom. The material of the foaming layer 160 can be EPE or EPP, and the thickness of the foaming layer 160 is preferably 60 to 3000 μm, but is not limited thereto. Thereby, the composite effect between the foaming layer 160 and the surface film 110 is better, and a thickening effect can be produced to increase the pressure sealing ability of the easy-to-peel sealing gasket, thereby reinforcing the pressure sealing effect when the bottle mouth and the lid do not match well.

[0100] In the eighth embodiment of the present invention, adhesive 500 may be used to laminate between the surface film 110 and the foaming layer 160 , and between the foaming layer 160 and the connecting film 120 .

[0101] In the eighth embodiment of the present invention, the sealing layer 400 includes a sealing film 410 and an adhesive 420, and the adhesive 420 is located between the sealing film 410 and the electromagnetic induction heating layer 300. The sealing film 410 includes at least one of a PE film, a PP film, a PET film, a PA film, a PVDC film, and an EVOH film, which can be easily opened from the bottle mouth after electromagnetic induction sealing or can be easily opened cleanly from the bottle mouth, and the thickness of the sealing film 410 is preferably 12 to 100 μm; and the adhesive 420 can be a conventional adhesive (such as dry composite glue, etc.), but is not limited thereto.

[0102] To facilitate understanding of the wireless information integrated chip of the present invention, the implementation of the wireless information integrated chip is introduced below.

[0103] The first implementation method of the wireless information integrated chip: Cooperate Figures 10 to 12 As shown, in the first embodiment of the wireless information integrated sheet, the wireless information integrated sheet includes a base film 1w, a first adhesive layer 2w and an information and heating layer 3w. The first adhesive layer 2w is located between the base film 1w and the information and heating layer 3w so as to bond the base film 1w and the information and heating layer 3w.

[0104] In the first embodiment of the wireless information integrated sheet, the base film 1w is used to make the initial layer of the wireless information integrated sheet. In a specific example, the base film 1w may include at least one of a PI film, a PEN film, a PET film, a PC film, a PP film and a PE film, and the thickness of the base film 1w is preferably 20 to 150 μm. Within this range, the longitudinal tensile strength of the base film 1w is relatively large. The lower surface of the base film 1w is bonded to the first adhesive layer 2w, and the upper surface of the base film 1w can be used as a printing surface to print different patterns.

[0105] In the first embodiment of the wireless information integrated sheet, the first adhesive layer 2w is a layer used to bond the base film 1w and the information and heating layer 3w. The first adhesive layer 2w only needs to be able to bond the base film 1w and the information and heating layer 3w, and its material can be, for example, composite glue. The thickness of the first adhesive layer 2w can be 0.5 to 7µm, and the first adhesive layer 2w can make the peel strength between the two bonded layers of material greater than 4N / 15mm.

[0106] In the first embodiment of the wireless information integrated sheet, the information and heating layer 3w includes an information area 31w and an electromagnetic induction heating ring 32w. The information area 31w has the function of wireless information reading and writing transmission, so as to facilitate subsequent product traceability. Among them, the information area 31w has an antenna 312w and a chip 311w that are mutually conductive. The electromagnetic induction heating ring 32w can pass through the electromagnetic field generated by the electromagnetic induction sealing machine, and use electromagnetic induction to heat it, so that the adhesive layer 320 of the present invention is heated and melted and adhered to the container mouth of the packaging container, and then can be used as an electromagnetic induction sealing gasket to seal the container mouth. The wireless information integrated sheet of the present invention can generate heat in the electromagnetic induction heating ring 32w, which can block the heat from being transferred to the central area of ​​the sealing gasket during electromagnetic induction sealing, and can save energy waste. In addition, when applied to a sealing gasket containing a battery, the thickness of the information and heating layer 3w can be 6µm to 2.5mm; and when applied to a sealing gasket without a battery, the thickness of the information and heating layer 3w can be 6 to 300µm.

[0107] In the first embodiment of the wireless information integrated chip, Fig.11 As shown, the electromagnetic induction heating ring 32w surrounds the information area 31w in a planar perspective, and there is a gap ITV between the electromagnetic induction heating ring 32w and the information area 31w, that is, there is no physical connection element (such as the physical connection bridge 33w described later) between the electromagnetic induction heating ring 32w and the information area 31w. Thereby, there is a gap ITV between the electromagnetic induction heating ring 32w and the information area 31w, and the gap ITV can block the heat from being conducted to the information area 31w. The gap ITV (the distance between the outermost edge of the information area 31w and the innermost edge of the electromagnetic induction heating ring 32w) can be 0.1 to 3mm. The material of the electromagnetic induction heating ring 32w can be metal, such as aluminum, copper, gold, silver, or tin, but not limited thereto. From the perspective of the effect of generating heat when subjected to a changing electromagnetic field and the cost, the electromagnetic induction heating ring 32w is preferably aluminum foil, and its thickness is preferably 6 to 40µm.

[0108] In the first embodiment of the wireless information integrated chip, Fig.12As shown, the information area 31w includes a chip 311w and an antenna 312w, and the chip 311w and the antenna 312w can realize the wireless information transmission function based on the RFID frequency band that the user wants to use. As for the chip 311w, it can have a unique identification code, which can be selected according to the purpose. For example, the chip 311w can be a radio frequency identification near field communication (RFID_NFC) chip, a radio frequency identification high frequency (RFID_HF) chip, a radio frequency identification ultra-high frequency (RFID_UHF) chip or a radio frequency identification microwave (RFID_MW) chip, etc., without special restrictions. These chips can all match the antenna 312w described later to realize the wireless information communication function. As for the antenna 312w, it mainly generates a signal that can be transmitted wirelessly, and its material can be metal, such as copper, silver, gold, tin or aluminum, etc., without special restrictions.

[0109] In the first embodiment of the wireless information integrated sheet, the method for making the wireless information integrated sheet coil can be as follows: first, apply a composite glue (first adhesive layer 2w) on the composite surface of the base film coil, and after compounding it with the composite surface of the metal foil coil, make a wireless information integrated sheet blank coil; secondly, etch the metal foil of the wireless information integrated sheet blank coil, electrically connect the antenna 312w and the chip 311w (Bonding), and then use a dispensing machine to use chip packaging protective glue to encapsulate the chip 311w and the chip connection part for protection; at this time, the metal foil forms the information and heating layer 3w, and the wireless information integrated sheet blank coil becomes a wireless information integrated sheet coil (i.e., the above-mentioned electromagnetic induction heating sheet coil). In addition, if you want to add a battery to the information and heating layer 3w, you can use a welding machine or conductive glue to process the battery cell and the chip 311w into an electrical connection.

[0110] The second implementation method of the wireless information integrated chip: Cooperate Fig.13 As shown, the difference between the second embodiment of the wireless information integrated sheet and the first embodiment of the wireless information integrated sheet is that in the second embodiment of the wireless information integrated sheet, in addition to the above-mentioned base film 1w, the first adhesive layer 2w and the information and heating layer 3w, the wireless information integrated sheet also includes a protective layer 5w and a second adhesive layer 4w. Among them, the protective layer 5w is located on the side of the information and heating layer 3w away from the base film 1w. The second adhesive layer 4w is located between the information and heating layer 3w and the protective layer 5w, and is a layer used to connect the information and heating layer 3w and the protective layer 5w.

[0111] In the second embodiment of the wireless information integrated sheet, the second adhesive layer 4w can be used as long as it can bond the information to the heating layer 3w and the protective layer 5w. Its material can be, for example, dry composite adhesive, and is not particularly limited. The thickness of the second adhesive layer 4w can be 0.5 to 7µm, and it is preferably such that the peel strength between the two layers of material bonded is greater than 4N / 15mm. The second adhesive layer 4w can extend to fill the gap between the electromagnetic induction heating ring 32w and the information area 31w to enhance the overall structural strength of the wireless information integrated sheet.

[0112] In the second embodiment of the wireless information integrated chip, the protective layer 5w is used to protect the information area 31w (i.e., the chip 311w, the antenna 312w, and the battery that can be added) from being damaged by external forces and affecting its wireless information transmission capability. The protective layer 5w may include at least one of PET film, PP film, PE film, PA film, PVDC film, EVOH film, PEN film, and PI film. The thickness of the protective layer 5w may be 12 to 100µm. In addition, the upper surface or the lower surface of the protective layer 5w may be used as a printing surface.

[0113] The third implementation method of wireless information integrated chip: Fig.14 and Fig.15 As shown, the difference between the third embodiment of the wireless information integrated sheet and the first embodiment of the wireless information integrated sheet is that: in the third embodiment of the wireless information integrated sheet, at least one physical connection bridge 33w is provided between the information area 31w and the electromagnetic induction heating ring 32w, the physical connection bridge 33w connects the information area 31w and the electromagnetic induction heating ring 32w, the physical connection bridge 33w, the antenna 312w of the information area 31w and the electromagnetic induction heating ring 32w can be integrally arranged, the length of the physical connection bridge 33w can be 0.1 to 3mm, and the width of the physical connection bridge 33w can be 0.01 to 5mm. At this time, although the electromagnetic induction heating ring 32w is electrically connected to the information area 31w through the physical connection bridge 33w, the distance of wireless communication will not be reduced too much, and the physical connection bridge 33w conducts a very small amount of heat.

[0114] The above embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present invention.

Claims

1. An easy-to-peel sealing gasket, characterized in that: It includes a functional layer, a sealing layer, a strong adhesive layer, an electromagnetic induction heating layer and a release layer; The upper surface of the easy-to-peel sealing gasket is provided with a lifting portion, a lifting neck and a hollow area; the hollow area is cut by a hollow cutting line, the hollow area is located at the periphery of the lifting portion, and the hollow area is connected to both sides of the lifting neck, and the thickness of the portion of the easy-to-peel sealing gasket corresponding to the hollow area is less than the maximum thickness of the easy-to-peel sealing gasket; The functional layer of the easy-to-peel sealing gasket is also provided with a tear line, one end of the tear line is connected to the lifting portion, and the other end of the tear line is spaced from the outermost circle of the easy-to-peel sealing gasket by a tearing distance, the tearing distance is greater than or equal to 0 mm, and the tearing distance is less than or equal to 20 mm; the tear line is provided with at least one tearing and cutting point; The functional layer includes a surface film and a connecting film composited in sequence from top to bottom; the sealing layer is located below the functional layer; the strong adhesion layer is located between the functional layer and the sealing layer; the electromagnetic induction heating layer is located between the functional layer and the sealing layer; the release layer is located on the lower surface of the connecting film corresponding to the lifting part, or the release layer is located on the upper surface or lower surface of the electromagnetic induction heating layer corresponding to the lifting part, the lifting neck and the hollow area.

2. The easy-to-peel sealing gasket according to claim 1, characterized in that: The functional layer portions corresponding to the tearing and cutting points of the tear line are not completely cut in the vertical direction, and the functional layer portions corresponding to the portions of the tear line other than the tearing and cutting points are completely cut.

3. The easy-to-peel sealing gasket according to claim 1, characterized in that: The functional layer portion corresponding to each tearing and cutting point of the tear line is not cut in the vertical direction and the length of the tearing and cutting point is 0.02 to 0.9 mm. The functional layer portion corresponding to the portion of the tear line other than each tearing and cutting point is completely cut.

4. The easy-to-peel sealing gasket according to claim 1, characterized in that: The lifting portion, the lifting neck and the hollow area are all located in the same half of the easy-to-peel closure gasket.

5. The easy-to-peel sealing gasket according to claim 4, characterized in that: The upper surface of the easy-to-peel sealing gasket is also provided with a tear-twist cutting line, which is connected to the lifting part, and the tearing line and the tear-twist cutting line are respectively connected to the two ends of the lifting part.

6. The easy-to-peel sealing gasket according to claim 1, characterized in that: The hollow area includes a first hollow sub-area, a second hollow sub-area, a third hollow sub-area and a fourth hollow sub-area. The first hollow sub-area is cut by a first hollow secondary cutting line, the second hollow sub-area is cut by a second hollow secondary cutting line, the third hollow sub-area is cut by a third hollow secondary cutting line, and the fourth hollow sub-area is cut by a fourth hollow secondary cutting line.

7. The easy-to-peel sealing gasket according to claim 6, characterized in that: The hollow cutting line is provided with at least three hollow cutting points, the functional layer parts corresponding to the respective hollow cutting points are not completely cut off in the vertical direction, and the functional layer parts corresponding to the parts of the hollow cutting line other than the respective hollow cutting points are completely cut off.

8. The easy-to-peel sealing gasket according to claim 6, characterized in that: The hollow cutting line is provided with at least three hollow cutting points, the functional layer portion corresponding to each hollow cutting point is not cut in the vertical direction and the length of the hollow cutting point is 0.02 to 0.9 mm, and the functional layer portion corresponding to the portion of the hollow cutting line other than each hollow cutting point is completely cut.

9. The easy-to-peel sealing gasket according to any one of claims 1 to 8, characterized in that: The surface film includes at least one of a PI film, a PEN film, a PET film, a PP film, a PE film and a PA film.

10. The easy-to-peel sealing gasket according to any one of claims 1 to 8, characterized in that: The connecting film includes at least one of an EPE layer, an EPP layer, a PE layer, a PP layer, a PET layer and a PA layer.

11. The easy-to-peel sealing gasket according to claims 1 to 8, characterized in that: The sealing layer is a hot melt adhesive, and the material of the hot melt adhesive is one of EVA, PIB, EAA, EEA, EBA, EMAA, EMAC, polyacrylate and acrylic copolymer.

12. The easy-to-peel sealing gasket according to claims 1 to 8, characterized in that: The sealing layer comprises a sealing film and an adhesive, wherein the sealing film comprises at least one of PE film, PP film, PET film, PA film, PVDC film and EVOH film; and the adhesive is arranged between the sealing film and the electromagnetic induction heating layer.

13. The easy-to-peel sealing gasket according to any one of claims 1 to 8, characterized in that: The strong adhesive layer is a dry composite adhesive or a hot-melt laminating adhesive. The dry composite adhesive makes the peel strength between the connecting film and the electromagnetic induction heating layer after lamination greater than 12N / 15mm. The hot-melt laminating adhesive makes the peel strength between the connecting film and the electromagnetic induction heating layer after lamination greater than 12N / 15mm. The material of the hot-melt laminating adhesive is one of PE, PP, EMAA, EAA, EEA, EMAC and EMMA.

14. The easy-to-peel sealing gasket according to any one of claims 1 to 8, characterized in that: The material of the release layer is one of wax, varnish and silicone oil; the release layer is coated on the lower surface of the connecting film or the electromagnetic induction heating layer, and the coating area of ​​the release layer is not smaller than the lifting part.

15. The easy-to-peel sealing gasket according to any one of claims 1 to 8, characterized in that: The material of the release layer is one of wax, varnish and silicone oil; the release layer is coated on the upper surface of the electromagnetic induction heating layer, and the coating area of ​​the release layer is not less than the lifting part and the hollow area.

16. The easy-to-peel sealing gasket according to any one of claims 1 to 8, characterized in that: The functional layer also includes a foaming film and / or a foaming plate film located between the surface film and the connecting film; the foaming film is made of EPE or EPP; the foaming plate film is made of EPE or EPP.

17. The easy-to-peel sealing gasket according to claim 15, characterized in that: The functional layer also includes a composite film located between the surface film and the connecting film, and the composite film includes at least one of a PI film, a PEN film, a PET film, a PA film, a PP film and a PE film.

18. The easy-to-peel sealing gasket according to any one of claims 1 to 8, characterized in that: The functional layer also includes a foaming layer located between the surface film and the connecting film, and the foaming layer is made of EPE or EPP.

19. The easy-to-peel sealing gasket according to claim 1, characterized in that: The electromagnetic induction heating layer adopts aluminum foil.

20. The easy-to-peel sealing gasket according to claim 1, characterized in that: The electromagnetic induction heating layer adopts wireless information integrated chip; The wireless information integrated sheet includes a base film, an information and heating layer and a first adhesive layer; the information and heating layer includes an information area and an electromagnetic induction heating ring; the information area has an antenna and a chip that are connected to each other, the electromagnetic induction heating ring surrounds the information area, and the first adhesive layer is located between the base film and the information and heating layer.

21. The easy-peel sealing gasket according to claim 20, characterized in that: There is a gap between the electromagnetic induction heating ring and the information area.

22. The easy-peel sealing gasket according to claim 21, characterized in that: The interval between the electromagnetic induction heating ring and the information area is 0.1mm to 3mm.

23. The easy-peel sealing gasket according to claim 21, characterized in that: There is a full space between the electromagnetic induction heating ring and the information area.

24. The easy-peel sealing gasket according to claim 21, characterized in that: The information and heating layer also includes at least one physical connection bridge, which connects the information area and the electromagnetic induction heating ring.

25. The easy-peel sealing gasket according to claim 20, characterized in that: The wireless information integrated sheet also includes a protective layer and a second adhesive layer. The protective layer is located on the side of the information and heating layer away from the base film, and the second adhesive layer is located between the information and heating layer and the protective layer.

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