CN220537734U

CN220537734U - Electromagnetic induction sealing gasket easy to open and coiled material thereof

Info

Publication number: CN220537734U
Application number: CN202321906870.6U
Authority: CN
Inventors: 杨严武
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-02-27
Anticipated expiration: 2033-07-19

Abstract

The utility model discloses an easy-to-open electromagnetic induction sealing gasket and a coiled material thereof, wherein the easy-to-open electromagnetic induction sealing gasket comprises a lifting composite layer and an electromagnetic adhesive layer; the lifting composite layer comprises an information label layer, a backing layer and a functional composite film layer which are sequentially compounded from top to bottom, wherein the top surface of the functional composite film layer is strongly adhered and compounded with the bottom surface of the backing layer, the bottom surface of the functional composite film layer is provided with a slightly adhered area coated with release coating, and the bottom surface of the functional composite film layer is strongly adhered and compounded with the top surface of the electromagnetic adhesive layer; the lifting composite layer is provided with a lifting part capable of being lifted and a tearing line penetrating through the lifting composite layer and connected with the lifting part, the tearing line is provided with an arc section, and a micro-adhesive area of the connecting layer is positioned below the lifting part. The easy-to-open electromagnetic induction sealing gasket has the advantages of being convenient to open, good in sealing effect when in press sealing again, and good in use safety of the information label layer.

Description

Electromagnetic induction sealing gasket easy to open and coiled material thereof

Technical Field

The utility model relates to the field of sealing gaskets, in particular to an easy-to-open electromagnetic induction sealing gasket and a coiled material thereof.

Background

An electromagnetic induction sealing gasket is a sealing gasket which is mostly adopted when sealing the bottle mouth of a container in the industries of medicines, health products, foods, seasonings, cosmetics, washing products and the like;

the existing electromagnetic induction sealing gasket is characterized in that an aluminum foil heats in an electromagnetic induction mode, so that an adhesive layer in contact with a container bottleneck of the electromagnetic induction sealing gasket is heated and melted, and the adhesive layer is adhered to the bottleneck to seal the container bottleneck.

However, the existing electromagnetic induction sealing gasket is not easy to tear after the bottle mouth is sealed, so that the use is inconvenient, the phenomenon that the electromagnetic induction sealing gasket is not easy to tear often occurs when a user uses the electromagnetic induction sealing gasket, the electromagnetic induction sealing gasket at the bottle mouth of a container is usually cut or poked by using a tool such as a sharp blade, a scissors and the like, the use is very inconvenient for the user, the experience is poor, and even certain potential safety hazards exist. Meanwhile, after the conventional electromagnetic induction sealing gasket is torn, the bottle mouth of the container can not be effectively sealed by only the bottle cap, so that the quality guarantee period of unused contents in the container is shortened and the container is easy to deteriorate.

In view of the above, there is a need for an easy-to-open electromagnetic induction sealing gasket and a coil thereof that are easy to open and have a good sealing effect when used for resealing.

Disclosure of Invention

The utility model aims to provide an easy-opening electromagnetic induction sealing gasket which is convenient to open and has good sealing effect when being used for pressing and sealing again, and simultaneously provides an easy-opening electromagnetic induction sealing gasket coiled material for manufacturing the easy-opening electromagnetic induction sealing gasket.

In order to achieve the above object, the solution of the present utility model is:

an easy-to-open electromagnetic induction sealing gasket comprises a lifting composite layer and an electromagnetic adhesive layer; the lifting composite layer comprises a backing layer and a functional composite film layer which are sequentially compounded from top to bottom, the functional composite film layer comprises a connecting layer and a connecting layer, the top surface of the connecting layer is in strong adhesion and compounding with the bottom surface of the backing layer, the bottom surface of the connecting layer is in strong adhesion and compounding with the top surface of the connecting layer, the bottom surface of the connecting layer is provided with a micro-adhesion area coated with release coating, and the bottom surface of the connecting layer is in strong adhesion and compounding with the top surface of the electromagnetic adhesive layer; the lifting composite layer is provided with a lifting part capable of being lifted and a tearing line penetrating through the lifting composite layer and connected with the lifting part, the tearing line is provided with an arc section, and a micro-adhesive area of the connecting layer is positioned below the lifting part.

The surface of the release coating coated on the micro-adhesive area of the connecting layer is one of a smooth surface, a fog surface or a lattice shape.

The release coating is made of one of epoxy resin, silicone oil, gloss oil or wax.

The connecting layer is made of PET, PE, EPE or PP; the material of the connecting layer is PP or PET.

The electromagnetic adhesive layer comprises an electromagnetic induction heating layer and an adhesive layer which are sequentially compounded from bottom to bottom; the top surface of the electromagnetic induction heating layer is strongly adhered and compounded with the bottom surface of the connecting layer.

The electromagnetic induction heating layer is an aluminum foil or an aluminum plastic film; the material of the adhesive layer is one of EVA, PE, PP or PET.

The backing layer comprises a top surface layer and a supporting layer which are sequentially compounded from top to bottom, and the top surface and the bottom surface of the supporting layer are respectively and strongly adhered and compounded with the top surface layer and the connecting layer.

The top surface layer is made of PET or PP; the material of the supporting layer is EPE.

The lifting composite layer also comprises an information label layer; the information label layer bottom surface is glued by force with backing layer top surface complex, and the information label layer has information chip and with information chip electric connection's antenna.

The antenna is arranged to intersect or not intersect the tear line.

The information label layer comprises a base film, an antenna and an information chip, wherein the antenna and the information chip are attached to the bottom surface of the base film, and the bottom surface of the base film is in strong adhesive combination with the backing layer.

An easy-to-open electromagnetic induction sealing gasket coiled material comprises a lifting composite layer and an electromagnetic adhesive layer; the lifting composite layer comprises a backing layer and a functional composite film layer which are sequentially compounded from top to bottom, the functional composite film layer comprises a connecting layer and a connecting layer, the top surface of the connecting layer is strongly adhered and compounded with the bottom surface of the backing layer, the bottom surface of the connecting layer is strongly adhered and compounded with the top surface of the connecting layer, and the bottom surface of the connecting layer is strongly adhered and compounded with the top surface of the electromagnetic adhesive layer; the lifting composite layer is provided with a plurality of gasket forming areas, the gasket forming areas of the lifting composite layer are provided with lifting parts capable of being lifted and tearing lines penetrating through the lifting composite layer and connected with the lifting parts, and the tearing lines are provided with arc-shaped sections; and the bottom surface of the connecting layer of the lifting composite layer is respectively provided with a micro-adhesion area which is positioned below the lifting part and is coated with release coating corresponding to each lifting part.

The lifting composite layer also comprises an information label layer; the bottom surface of the information label layer is strongly adhered and compounded with the top surface of the backing layer; and the information label layer is provided with an antenna and an information chip electrically connected with the antenna corresponding to each gasket forming area of the lifting composite layer.

The antenna arranged corresponding to each gasket forming region of the lifting composite layer is arranged to intersect or not intersect with the tearing line of the gasket forming region.

After the scheme is adopted, the utility model has the following characteristics:

1. the electromagnetic adhesive layer of the easy-to-open electromagnetic induction sealing gasket is adhered to the container bottle mouth in an electromagnetic induction heating mode, so that the easy-to-open electromagnetic induction sealing gasket is matched with the container bottle mouth and seals the container bottle mouth; when a user opens the bottle cap of the container, the user can directly hold the lifting part of the lifting composite layer by hand without the help of an external object to lift the bottle cap upwards, so that the tearing line of the lifting composite layer is broken, and the region, which is positioned at the inner side of the tearing line, of the easy-to-open electromagnetic induction sealing gasket is torn off, so that a circle of annular body is left on the easy-to-open electromagnetic induction sealing gasket to be adhered to the bottle mouth of the container, and the bottle mouth of the container is opened at the moment, and the whole opening process is very convenient without the help of tools; when a user locks the bottle cap of the container again, the bottle cap can be pressed on the annular body left at the bottle mouth of the container, so that the bottle cap has good sealing effect when being pressed and sealed again;

2. the antenna of the information label layer is intersected with the tearing line of the lifting composite layer, so that the antenna of the information label layer is broken when the tearing line of the lifting composite layer is broken, the information label layer is damaged to lose the information reading and writing function, the effect that the container mouth is opened for the first time even if the information label layer is damaged can be achieved, further, illegal use caused by taking down the information label layer by other people can be effectively prevented, and the use safety of the information label layer is ensured;

3. the functional composite film layer comprises the connecting layer and the connecting layer, so that the functional composite film layer has at least two layers, thereby being beneficial to improving the overall strength of the easy-to-open electromagnetic induction sealing gasket, and improving the comprehensive performance of the easy-to-open electromagnetic induction sealing gasket by utilizing the connecting layer and the connecting layer which are made of different materials.

Drawings

Fig. 1 is a schematic structural diagram of an easy-to-open electromagnetic induction sealing gasket according to a first embodiment of the present utility model.

Fig. 2 is a cross-sectional view of an easy-open electromagnetic induction sealing gasket according to a first embodiment of the present utility model.

Fig. 3 is a cross-sectional view of an easy-open electromagnetic induction sealing gasket according to a second embodiment of the present utility model.

Description of the reference numerals:

the composite layer 1 is pulled, the pull-up portion 101, the tear line 102,

the backing layer 11, the top layer 111, the support layer 112,

the bonding layer 122, the micro-adhesive region 1220,

information label layer 13, information chip 131, antenna 132, base film 133,

an electromagnetic adhesive layer 2, an electromagnetic induction heating layer 21, an adhesive layer 22,

a release coating 3, which is applied to the surface of the substrate,

and (4) dry composite glue.

Detailed Description

In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.

Example 1

Referring to fig. 1 and 2, in a first embodiment of the present utility model, an easy-to-open electromagnetic induction sealing gasket of the present utility model includes a lifting composite layer 1 and an electromagnetic adhesive layer 2; the lifting composite layer 1 comprises a backing layer 11 and a functional composite film layer 12 which are sequentially compounded from top to bottom, the functional composite film layer 12 comprises a compounded connecting layer 121 and a connecting layer 122, the top surface of the connecting layer 121 is strongly adhered and compounded with the bottom surface of the backing layer 11, the bottom surface of the connecting layer 121 is strongly adhered and compounded with the top surface of the connecting layer 122, the bottom surface of the connecting layer 122 is provided with a slightly adhered area 1220 coated with release coating 3, and the bottom surface of the connecting layer 122 is strongly adhered and compounded with the top surface of the electromagnetic adhesive layer 2; the pull-up composite layer 1 is provided with a pull-up part 101 capable of being pulled up and a tear line 102 penetrating through the pull-up composite layer 1 and connected with the pull-up part 101, the tear line 102 is provided with an arc section, the tear line 102 can be formed by cooperation of a continuous curve line section and a discontinuous curve line section, a micro-adhesive area 1220 of the connecting layer 122 is positioned below the pull-up part 101, and the micro-adhesive area 1220 of the connecting layer 122 is coated with release coating 3, so that the micro-adhesive area 1220 of the connecting layer 122 is not strongly adhered with the electromagnetic adhesive layer 2, and the pull-up part 101 can be directly pulled up, thereby being convenient for a consumer to pull up the pull-up part 101. After the film layers of the pull-up composite layer 1 are combined, the pull-up composite layer 1 is cut according to the arrangement of the micro-adhesive area 1220 of the connection layer 122 to form the pull-up part 101; the tear line 102 includes a plurality of tear notches formed on the pull-up composite layer 1, the tear notches can be formed by cutting with a metal cutter or laser, the tear line 102 is engaged with the pull-up portion 101, so that a consumer can pull the pull-up portion 101 to drive the tear line 102 to break, and the tear line 102 has an arc-shaped section, so that the break of the tear line 102 can enable the easy-to-open electromagnetic induction sealing gasket of the utility model to form an opening.

In the utility model, the electromagnetic adhesive layer 2 of the easy-to-open electromagnetic induction sealing gasket is adhered to a container bottle mouth in an electromagnetic induction heating mode, so that the easy-to-open electromagnetic induction sealing gasket is matched with the container bottle mouth and seals the container bottle mouth; when a user opens the bottle cap of the container, the user can directly hold the lifting part 101 of the lifting composite layer 1 by hand without using an external object to lift upwards, so that the tearing line of the lifting composite layer 1 is broken, and the region, which is positioned at the inner side of the tearing line 102, of the easy-to-open electromagnetic induction sealing gasket is torn off, so that a circle of annular body is left for bonding with the container bottle mouth, and the container bottle mouth is opened at the moment, and the whole opening process is very convenient without using tools; when the user locks the bottle cap of the container again, the bottle cap can press the annular body left on the bottle mouth of the container, so that the bottle cap has good sealing effect when being sealed again.

In the first embodiment of the present utility model, the backing layer 11 includes a top surface layer 111 and a supporting layer 112 sequentially combined from top to bottom, and the top surface and the bottom surface of the supporting layer 112 are respectively and strongly adhered and combined with the top surface layer 111 and the connecting layer 121; wherein, the top surface layer 111 may be made of PET or PP; the material of the supporting layer 112 may be EPE, and the supporting layer 112 made of EPE has elasticity to ensure the sealing effect when the bottle cap is locked again; the top layer 111 and the support layer 112 may be strongly adhesively bonded by the dry-type composite glue 4, and the support layer 112 and the connection layer 122 may be strongly adhesively bonded by the dry-type composite glue 4.

In the first embodiment of the present utility model, the functional composite film layer 12 includes the connection layer 121 and the connection layer 122, so that the functional composite film layer 12 has at least two layers, which is beneficial to improving the overall strength of the easy-to-open electromagnetic induction sealing gasket of the present utility model, and the connection layer 121 and the connection layer 122 made of different materials can also be used to improve the comprehensive performance of the easy-to-open electromagnetic induction sealing gasket of the present utility model. The material of the connecting layer 121 may be PP or PET, the material of the connecting layer 122 may be PET, PE, EPE or PP, and the bonding layer 121 top surface and the backing layer 11 bottom surface, the bonding layer 121 bottom surface and the connecting layer 122 top surface, and the bonding layer 122 bottom surface and the electromagnetic adhesive layer 2 may all be bonded by the dry-type composite adhesive 4. The surface of the release coating coated on the micro-adhesive area 1220 of the connection layer 122 is one of a smooth surface, a fog surface or a lattice shape; the release coating 3 is made of one of epoxy resin, silicone oil, gloss oil or wax, and the viscosity of the epoxy resin, the silicone oil, the gloss oil and the wax is very weak, so that the micro-adhesive area 1220 of the connecting layer 122 is not strongly adhered and compounded with the electromagnetic adhesive layer 2; the release coating 3 may be applied to the slightly tacky areas by dipping, printing, spraying, or the like.

In the first embodiment of the present utility model, the electromagnetic adhesive layer 2 includes an electromagnetic induction heating layer 21 and an adhesive layer 22 sequentially combined from bottom to bottom; the top surface of the electromagnetic induction heating layer 21 and the bottom surface of the connecting layer 122 are strongly adhered and compounded, the electromagnetic induction heating layer 21 can be an aluminum foil or an aluminum plastic film, the aluminum foil and the aluminum plastic film can generate heat when being subjected to the action of a changing magnetic field, and the material of the adhesive sealing layer 22 can be one of EVA, PE, PP or PET. The electromagnetic induction heating layer 21 and the adhesive layer 22 can be strongly adhered and compounded by the dry type compound adhesive 4, and the electromagnetic induction heating layer 21 and the connecting layer 122 can be strongly adhered and compounded by the dry type compound adhesive 4.

In a first embodiment of the present utility model, the present utility model further provides an easy-to-open electromagnetic induction sealing gasket coiled material for manufacturing the easy-to-open electromagnetic induction sealing gasket of the first embodiment of the present utility model, where the easy-to-open electromagnetic induction sealing gasket coiled material includes a lifting composite layer 1 and an electromagnetic adhesive layer 2; the lifting composite layer 1 comprises a backing layer 11 and a functional composite film layer 12 which are sequentially compounded from top to bottom, the functional composite film layer 12 comprises a compounded connecting layer 121 and a connecting layer 122, the top surface of the connecting layer 121 is strongly adhered and compounded with the bottom surface of the backing layer 11, the bottom surface of the connecting layer 121 is strongly adhered and compounded with the top surface of the connecting layer 122, and the bottom surface of the connecting layer 122 is strongly adhered and compounded with the top surface of the electromagnetic adhesive layer 2; the lifting composite layer 1 is provided with a plurality of gasket forming areas, the gasket forming areas of the lifting composite layer 1 are provided with lifting parts 101 capable of being lifted and tearing lines 102 penetrating through the lifting composite layer 1 and connected with the lifting parts 101, the tearing lines 102 are provided with arc-shaped sections, and the tearing lines 102 can be formed by the cooperation of continuous curve line sections and discontinuous curve line sections; and the bottom surface of the connecting layer 122 of the lifting composite layer 1 is respectively provided with a micro-adhesive area 1220 which is positioned below the lifting parts 101 and is coated with the release coating 3 corresponding to each lifting part 101. And the manufacturer cuts the coil material of the easy-to-open electromagnetic induction sealing gasket according to the first embodiment of the utility model corresponding to each gasket forming area, so as to obtain the easy-to-open electromagnetic induction sealing gasket according to the first embodiment of the utility model.

Example two

With reference to fig. 3, the second embodiment of the present utility model is different from the first embodiment in that: in the second embodiment of the present utility model, the pull-up composite layer 1 of the easy-to-open electromagnetic induction sealing gasket of the second embodiment of the present utility model further includes an information tag layer 13; the bottom surface of the information label layer 13 and the top surface of the backing layer 11 are strongly adhered and compounded through the dry compound glue 4, the information label layer 13 is provided with an information chip 131 and an antenna 132 electrically connected with the information chip 131, and the information chip 131 can be an RFID chip, an NFC chip, an EMID chip, an UWBID chip or other chips with information reading and writing functions; the information label layer 13 can be used for writing and reading various information in the production, transportation and selling processes of the products, and is convenient for tracing the products.

In the second embodiment of the present utility model, the antenna 132 of the information tag layer 13 and the tear line 102 may be disposed in an intersecting manner, so that when the tear line 102 of the pull-up composite layer 1 is disconnected, the antenna 132 of the information tag layer 13 is broken, and the information tag layer 13 is damaged to lose the information read-write function, so that the effect that the container mouth is opened for the first time even if the information tag layer 13 is damaged can be achieved, and further, illegal use of the information tag layer 13 by taking down the information tag layer 13 by other people can be effectively prevented, and the use security of the information tag layer 13 is ensured. It should be noted that the antenna 132 of the information tag layer 13 and the tear line 102 may be disposed so as not to intersect.

In the second embodiment of the present utility model, the information label layer 13 includes a base film 133, and an antenna 132 and an information chip 131 attached to the bottom surface of the base film 133, where the bottom surface of the base film 133 is strongly adhered to the top surface of the backing layer 11, and the base film 133 and the backing layer 11 may be strongly adhered to each other by the dry-type adhesive 4.

In a second embodiment of the present utility model, the present utility model further provides an easy-to-open electromagnetic induction sealing gasket coiled material for manufacturing the easy-to-open electromagnetic induction sealing gasket of the second embodiment of the present utility model, where the easy-to-open electromagnetic induction sealing gasket coiled material includes a lifting composite layer 1 and an electromagnetic adhesive layer 2; the lifting composite layer 1 comprises an information label layer 13, a backing layer 11 and a functional composite film layer 12 which are sequentially compounded from top to bottom, wherein the functional composite film layer 12 comprises a compounded connecting layer 121 and a connecting layer 122, the bottom surface of the information label layer 13 is strongly adhered and compounded with the top surface of the backing layer 11, the top surface of the connecting layer 121 is strongly adhered and compounded with the bottom surface of the backing layer 11, the bottom surface of the connecting layer 121 is strongly adhered and compounded with the top surface of the connecting layer 122, and the bottom surface of the connecting layer 122 is strongly adhered and compounded with the top surface of the electromagnetic adhesive layer 2; the lifting composite layer 1 is provided with a plurality of gasket forming areas, the gasket forming areas of the lifting composite layer 1 are provided with lifting parts 101 capable of being lifted and tearing lines 102 penetrating through the lifting composite layer 1 and connected with the lifting parts 101, and the tearing lines 102 are provided with arc-shaped sections; and the bottom surface of the connecting layer 122 of the lifting composite layer 1 is respectively provided with a micro-adhesive area 1220 which is positioned below the lifting parts 101 and is coated with the release coating 3 corresponding to each lifting part 101. Each pad forming area of the information label layer 13 of the lifting composite layer 1 corresponding to Yu Di of the lifting composite layer 1 is provided with an antenna 132 and an information chip 131 electrically connected with the antenna 132, and the antenna 132 arranged in each pad forming area of the information label layer 13 corresponding to Yu Di of the lifting composite layer 1 and the tearing line 102 of the pad forming area can be arranged in an intersecting or non-intersecting mode. The manufacturer cuts the coil material of the easy-to-open electromagnetic induction sealing gasket according to the second embodiment of the present utility model corresponding to each gasket forming area, so as to obtain the easy-to-open electromagnetic induction sealing gasket according to the second embodiment of the present utility model, and cutting is avoided to cut the antenna 132 and the information chip 131.

The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.

Claims

1. An easy-to-open electromagnetic induction sealing gasket, which is characterized in that: comprises a lifting composite layer and an electromagnetic adhesive layer;

the lifting composite layer comprises a backing layer and a functional composite film layer which are sequentially compounded from top to bottom, the functional composite film layer comprises a connecting layer and a connecting layer, the top surface of the connecting layer is in strong adhesion and compounding with the bottom surface of the backing layer, the bottom surface of the connecting layer is in strong adhesion and compounding with the top surface of the connecting layer, the bottom surface of the connecting layer is provided with a micro-adhesion area coated with release coating, and the bottom surface of the connecting layer is in strong adhesion and compounding with the top surface of the electromagnetic adhesive layer;

the lifting composite layer is provided with a lifting part capable of being lifted and a tearing line penetrating through the lifting composite layer and connected with the lifting part, the tearing line is provided with an arc section, and a micro-adhesive area of the connecting layer is positioned below the lifting part.

2. The easy-open electromagnetic induction gasket seal of claim 1 wherein: the surface of the release coating coated on the micro-adhesive area of the connecting layer is one of a smooth surface, a fog surface or a lattice shape.

3. The easy-open electromagnetic induction gasket seal of claim 1 or 2, wherein: the release coating is made of one of epoxy resin, silicone oil, gloss oil or wax.

4. The easy-open electromagnetic induction gasket seal of claim 1 or 2, wherein: the connecting layer is made of PET, PE, EPE or PP; the material of the connecting layer is PP or PET.

5. The easy-open electromagnetic induction gasket seal of claim 1 wherein: the electromagnetic adhesive layer comprises an electromagnetic induction heating layer and an adhesive layer which are sequentially compounded from bottom to bottom; the top surface of the electromagnetic induction heating layer is strongly adhered and compounded with the bottom surface of the connecting layer.

6. The easy-open electromagnetic induction gasket seal of claim 5 wherein: the electromagnetic induction heating layer is an aluminum foil or an aluminum plastic film; the material of the adhesive layer is one of EVA, PE, PP or PET.

7. The easy-open electromagnetic induction gasket seal of claim 1 wherein: the backing layer comprises a top surface layer and a supporting layer which are sequentially compounded from top to bottom, and the top surface and the bottom surface of the supporting layer are respectively and strongly adhered and compounded with the top surface layer and the connecting layer.

8. The easy-open electromagnetic induction gasket seal of claim 7 wherein: the top surface layer is made of PET or PP; the material of the supporting layer is EPE.

9. The easy-open electromagnetic induction gasket seal of claim 1 wherein: the lifting composite layer also comprises an information label layer; the information label layer bottom surface is glued by force with backing layer top surface complex, and the information label layer has information chip and with information chip electric connection's antenna.

10. The easy-open electromagnetic induction gasket seal of claim 9 wherein: the antenna is arranged to intersect or not intersect the tear line.

11. The easy-open electromagnetic induction gasket seal of claim 9 wherein: the information label layer comprises a base film, an antenna and an information chip, wherein the antenna and the information chip are attached to the bottom surface of the base film, and the bottom surface of the base film is in strong adhesive combination with the backing layer.

12. An easy-to-open electromagnetic induction sealing gasket coiled material which is characterized in that: comprises a lifting composite layer and an electromagnetic adhesive layer;

the lifting composite layer comprises a backing layer and a functional composite film layer which are sequentially compounded from top to bottom, the functional composite film layer comprises a connecting layer and a connecting layer, the top surface of the connecting layer is strongly adhered and compounded with the bottom surface of the backing layer, the bottom surface of the connecting layer is strongly adhered and compounded with the top surface of the connecting layer, and the bottom surface of the connecting layer is strongly adhered and compounded with the top surface of the electromagnetic adhesive layer;

the lifting composite layer is provided with a plurality of gasket forming areas, the gasket forming areas of the lifting composite layer are provided with lifting parts capable of being lifted and tearing lines penetrating through the lifting composite layer and connected with the lifting parts, and the tearing lines are provided with arc-shaped sections; and the bottom surface of the connecting layer of the lifting composite layer is respectively provided with a micro-adhesion area which is positioned below the lifting part and is coated with release coating corresponding to each lifting part.

13. The easy open electromagnetic induction seal gasket web of claim 12 wherein: the lifting composite layer also comprises an information label layer; the bottom surface of the information label layer is strongly adhered and compounded with the top surface of the backing layer;

and the information label layer is provided with an antenna and an information chip electrically connected with the antenna corresponding to each gasket forming area of the lifting composite layer.

14. The easy open electromagnetic induction seal gasket web of claim 13 wherein: the antenna arranged corresponding to each gasket forming region of the lifting composite layer is arranged to intersect or not intersect with the tearing line of the gasket forming region.