CN209441943U - A kind of electromagnetic induction seal gasket with pull-tab - Google Patents
A kind of electromagnetic induction seal gasket with pull-tab Download PDFInfo
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- CN209441943U CN209441943U CN201920073714.3U CN201920073714U CN209441943U CN 209441943 U CN209441943 U CN 209441943U CN 201920073714 U CN201920073714 U CN 201920073714U CN 209441943 U CN209441943 U CN 209441943U
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- pull
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Abstract
The utility model discloses a kind of electromagnetic induction seal gasket with pull-tab, PE film layer, EPE layers and PET film top layer run through the outer edge for having round die cut lines to form pull-tab, EPE layers form the circular inner edge of pull-tab with PET film top layer part hollow out and connect the head of pull-tab from inside, head and pull-tab junction are equipped with the tearing die cut lines for connecting annular die cut lines, the EPE layer of head and pull-tab linkage section not with PE film layer phase adhesion；Due to uppermost two layers of local hollow out, in conjunction with the round die cut lines through topmost three layers, form the pull-tab with head, the tearing die cut lines for the round die cut lines that are cooperatively connected, user is only just easy to tilt and pinch the head of pull-tab with finger, and gently firmly nethermost two layers for falling and being bonded can be torn along die cut lines and round die cut lines are torn outward, and it no longer needs to be cut open or exposed using tools such as more sharp blade, scissors, user experience is preferable, and avoids security risk.
Description
Technical field
The utility model relates to container finish sealing element field more particularly to a kind of electromagnetic induction for being easier to tearing and opening
Seal gasket.
Background technique
Electromagnetic induction seal gasket is that a kind of medicine, health care product, food, flavouring, cosmetics, articles for washing, agrochemical produce
The seal gasket that the industries such as product mostly use greatly in sealing container bottleneck utilizes electromagnetism sense by electromagnetic induction sealing device
Principle is answered, the aluminium foil layer in seal gasket is heated, so that the plastic film melted by heat being in contact with container finish,
And sealed connection of the realization to container finish, and then the content and outside air Long Term Contact of container are blocked, to container
Content plays the role of effectively guaranteeing the quality, and is readily transported and stores.
But current electromagnetic induction seal gasket is mostly difficult to open or tear, user will often use more sharp
The tools such as blade, scissors cut open or expose the electromagnetic induction seal gasket at container finish, and be not easy to tear and open, cause user
Using very inconvenient, experience sense is poor, and even there is also have some potential safety problems for some.
Therefore, the prior art still has much room for improvement and develops.
Utility model content
In view of the deficiency of the prior art, the utility model provides a kind of electromagnetic induction sealing mat with pull-tab
Piece is easier to tear and open, and user experience is preferable, and can avoid security risk.
The technical solution of the utility model is as follows: a kind of electromagnetic induction seal gasket with pull-tab, by heat-sealing bottom, aluminium
Layers of foil, PE film layer, EPE layers and PET film top layer are combined, and the heat-sealing bottom with container finish for being in contact, institute
It states aluminium foil layer to be located between heat-sealing bottom and PE film layer, described EPE layers between PE film layer and PET film top layer；Its
In: the PE film layer, EPE layers and PET film top layer run through the outer edge for having round die cut lines to form pull-tab, described
EPE layers form the circular inner edge of pull-tab with PET film top layer part hollow out and connect the head of the pull-tab, institute from inside
The junction for stating head and pull-tab is provided with the tearing die cut lines for connecting annular die cut lines, and the head is connected with pull-tab
Section EPE layer not with PE film layer phase adhesion.
The electromagnetic induction seal gasket with pull-tab, in which: by the heat-sealing bottom, aluminium foil layer and PE film layer
Second complex of composition is generated heat by annular with the third complex being made of described EPE layers and PET film top layer and encloses heat
Molten PE film layer is thermally bonded；And the internal diameter of the annular fever circle is more than or equal to the internal diameter of pull-tab inside edge.
The electromagnetic induction seal gasket with pull-tab, in which: the diameter of the pull-tab outer edge with sealed
The internal diameter of bottleneck is adapted.
The electromagnetic induction seal gasket with pull-tab, in which: the head is located at entire electromagnetic induction in the center of circle
The circle at seal gasket center.
The electromagnetic induction seal gasket with pull-tab, in which: the linkage section on the head and pull-tab is being torn
The inside edge for being die cut line side and pull-tab is connected in wedge angle, is connected in the other side in rounding off；And tear die cut lines and circle
The round and smooth connection of die cut lines.
The electromagnetic induction seal gasket with pull-tab, in which: the minimum of the linkage section of the head and pull-tab
Width is more than or equal to the width of pull-tab.
The electromagnetic induction seal gasket with pull-tab, in which: between heat-sealing bottom and the aluminium foil layer, aluminium foil layer
Between PE film layer, the EPE layers of glue for being coated with peel strength 4N/10mm or more between PET film top layer and progress
Bonding.
A kind of electromagnetic induction seal gasket with pull-tab provided by the utility model, due to two layers of progress topmost
Local hollow out forms the pull-tab with head, and the circle that is cooperatively connected in conjunction with the round die cut lines through topmost three layers
The tearing die cut lines of shape die cut lines, user are only just easy to tilt and pinch the head of pull-tab with finger, and gently to external application
Power can open nethermost two layers be bonded with pull-tab along tearing die cut lines and round die cut lines tearing, thus be easy to
Just electromagnetic induction seal gasket is torn from the bottleneck of container, and no longer needed using more sharp blade, scissors etc.
The movement that tool cuts open or exposes, user experience is preferable, and avoids security risk, is highly suitable for medicine, health care
The industries such as product, food, flavouring, cosmetics, articles for washing are sealed the bottleneck of container.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit in any way disclosed by the utility model
Range；Shape and proportional sizes of each component in figure etc. are only schematical, are used to help the understanding to the utility model, and
Non- is the specific shape and proportional sizes for limiting each component of the utility model；Religion of the those skilled in the art in the utility model
It leads down, various possible shapes and proportional sizes can be selected to implement the utility model as the case may be.
Fig. 1 is the schematic diagram of a layer structure of electromagnetic induction seal gasket embodiment of the utility model with pull-tab；
Fig. 2 is the overlooking structure diagram of electromagnetic induction seal gasket embodiment of the utility model with pull-tab；
Fig. 3 is that the diminution that the utility model is encapsulated in bottle mouth position with the electromagnetic induction seal gasket embodiment of pull-tab is three-dimensional
Schematic diagram (has taken away bottle cap)；
Fig. 4 is stereoscopic schematic diagram of the utility model Fig. 3 after tearing seal gasket；
Each label in figure: heat-sealing bottom 101, aluminium foil layer 102, PE film layer 103, EPE layer 104, PET film top layer 105,
Glue layer 106, the first complex 107, the second complex 108, third complex 109, head 111, pull-tab 112, linkage section
113, hollowed out area 114, vacancy section 114a and 114b, tear die cut lines 115, round die cut lines 116, die cut lines 116a and
116b, adhesion area 117.
Specific embodiment
Below with reference to attached drawing, specific embodiment of the present utility model and embodiment are described in detail, it is described
Specific embodiment only to explain the utility model, be not intended to limit specific embodiment of the present utility model.
As shown in Figure 1, Fig. 1 is the layer structural representation of electromagnetic induction seal gasket embodiment of the utility model with pull-tab
Scheme, to upper successively by heat-sealing bottom 101, aluminium foil layer 102, PE (polyethylene, polyethylene) under electromagnetic induction seal gasket
Film layer 103, EPE (Expandable Polyethylene, expandability polyethylene, also known as pearl cotton) layer 104 and PET
(Polyethylene terephthalate, polyethylene terephthalate class plastics) film top layer 105 is viscous by glue
It closes or heat bonding is combined；The heat-sealing bottom 101 plays after melted by heat for being in contact with the end face of container finish
The bonding sealing function with container finish；The aluminium foil layer 102 is located between heat-sealing bottom 101 and PE film layer 103, is used for
It generates heat under the action of electromagnetic induction, heat-sealing bottom 101 is transferred heat to by heat transfer, heats heat-sealing bottom 101
Change the bottleneck of bonding connection container；The PE film layer 103 is located between aluminium foil layer 102 and EPE layer 104, for by region heat
Bond aluminium foil layer 102 and EPE layer 104；The EPE layer 104 between PE film layer 103 and PET film top layer 105, due to
EPE layer 104 has certain compressible resilience performance, and the bottle cap for tightening in unlatching sealing and then secondary cooperation is to bottleneck
Secondary seal leakproof is played the role of at place, and the content of fitted vessel is after Kaifeng without disposable complete situation；Institute
It states PET film top layer 105 and sticks together for avoiding and being tightened in the inner top surface of the bottle cap at container finish, to avoid influencing
Uncap and tear seal gasket；Intaglio printing product related information and product brand can be used in PET film simultaneously.
As shown in connection with fig. 2, Fig. 2 is the plan structure of electromagnetic induction seal gasket embodiment of the utility model with pull-tab
Schematic diagram, meanwhile, Fig. 1 is also the A-A schematic cross-sectional view of the utility model Fig. 2, in which: PE film layer 103, EPE layer described in Fig. 1
104 and cross cutting of the PET film top layer 105 in the outer edge for thering are round die cut lines 116 to form Fig. 2 pull-tab 112, Fig. 1
Line 116a and 116b are exactly the round die cut lines 116 in Fig. 2；The layer of EPE described in Fig. 1 104 and the part of PET film top layer 105 are set
Be equipped with the hollowed out area 114 in vacancy section 114a and 114b, that is, Fig. 2, with formed pull-tab 112 circular inner edge and from
Inside connects the head 111 of the pull-tab 112, and the head 111 and the junction of pull-tab 112 are additionally provided with connection circular die
The tearing die cut lines 115 of tangent line 116, and the EPE on the head 111 layer 104 and its linkage section that is connected with pull-tab 112
113 EPE layer 104 is arranged with 103 adhesion of PE film layer.
Electromagnetic induction seal gasket of the utility model with pull-tab, due to uppermost two layers (i.e. 104 He of EPE layer
PET film top layer 105) local hollow out (i.e. hollowed out area 114) has been carried out, in conjunction with through three layers of (i.e. PE film layer topmost
103, EPE layer 104 and PET film top layer 105) round die cut lines 116, form the pull-tab 112 with head 111, and
The tearing die cut lines 115 for the round die cut lines 116 that are cooperatively connected, user are only just easy to tilt and pinch pull-tab 112 with finger
Head 111, and gently upward and outward pull, can be along tearing die cut lines 115 and the round tearing of die cut lines 116 be opened and easily
Nethermost two layers (i.e. heat-sealing bottom 101 and the aluminium foil layer 102) that pull ring 112 is bonded, while will not also tear out pull-tab
Thus adhesion area 117 other than 112 is easy for tearing from the bottleneck of container by electromagnetic induction seal gasket, without
The movement for cutting open or exposing using tools such as more sharp blade, scissors is needed again, and user experience is preferable, and avoids
Security risk is highly suitable for the industries such as medicine, health care product, food, flavouring, cosmetics, articles for washing to the bottle of container
Mouth is sealed.
Further, the second complex 108 being made of the heat-sealing bottom 101, aluminium foil layer 102 and PE film layer 103,
With the third complex 109 being made of the EPE layer 104 and PET film top layer 105, is generated heat by annular and enclose hot melt PE film
Layer 103 is thermally bonded；And the internal diameter of the annular fever circle is more than or equal to the internal diameter of 112 inside edge of pull-tab, to avoid institute
The EPE layer 104 of linkage section 113 stating the EPE layer 104 on head 111 and its being connected with pull-tab 112, with PE film layer
103 stick together.
It is preferred that the diameter of 112 outer edge of pull-tab is adapted with the internal diameter of sealed bottleneck, to avoid extra
Seal gasket remain in bottleneck end face and influence to pour out the content of container.
It is preferred that the head 111 is rounded, and its center of circle is located at entire electromagnetic induction seal gasket center, with side
Just it is tilted with finger lid and is pinched with two fingers.
It is preferred that the linkage section 113 on the head 111 and pull-tab 112, is tearing 115 side of die cut lines and pull-tab
112 inside edge is connected in wedge angle, in order to be easier to open pull-tab 112 from sharp corner along the tearing of die cut lines 115 is torn；And
Then it is in rounding off connection in the other side of linkage section 113, and tears die cut lines 115 and the round and smooth connection of round die cut lines 116, with
Convenient for completely pull-up pull-tab 112.
It is preferred that the minimum widith of the linkage section of the head and pull-tab is more than or equal to the width of pull-tab, to prevent
Only break pull-tab 112.
In preferred embodiment of the utility model with the electromagnetic induction seal gasket of pull-tab, in the heat-sealing bottom
Between 101 and aluminium foil layer 102, between aluminium foil layer 102 and PE film layer 103, between EPE layer 104 and PET film top layer 105
It is coated with glue layer 106 and is bonded, and the peel strength 4N/10mm or more of used glue.
The preparation link of electromagnetic induction seal gasket of the utility model with pull-tab can on dry compound machine first with
The mode of coiled material carries out, and specific process is:
Step 1: by 102 gluing of aluminium foil layer of web form, be equally web form heat-sealing bottom 101 it is bonding
Compacting, obtains 107 coiled material of the first complex；
Step 2: by 107 coiled material gluing of the first complex, the bonding compacting of PE film layer 103 with web form is obtained
Second complex, 108 coiled material；
Step 3: 104 gluing of EPE layer of web form is glued with 105 phase of PET film top layer for being equally web form
Combined pressure is real, obtains 109 coiled material of third complex；
Positioning punching is carried out Step 4: third complex 109 to be put into the hollow out being fixed on press machine and is cut in mold
It cuts, forms hollowed out area 114；
Step 5: being set heat pressure adhesive is put into jointly with 108 coiled material of the second complex by the third complex 109 of punching
It is standby, it is thermally bonded by its seal gasket range of annular fever circle only to 112 region of pull-tab and in addition, utilizes hot melt
PE film layer 103 bonds aluminium foil layer 102 and EPE layer 104, and after tested, the peel strength that this hot pressing mode bonds is in 8N/
10mm or more is twice of the peel strength that gluing mode bonds；Simultaneously avoid the head 111 EPE layer 104 and its with
The EPE layer 104 for the linkage section 113 that pull-tab 112 is connected, sticks together with PE film layer 103；
Step 6: the electromagnetic induction seal gasket coiled material after heat bonding is put into the mould being fixed on press machine
Positioning punching is carried out in tangent line mold, is only punched into tearing mould in PET film top layer 105, EPE layer 104 and PE film layer 103
Tangent line 115 and round die cut lines 116；
Step 7: thering is the electromagnetic induction seal gasket coiled material of die cut lines to be put into the blanking being fixed on press machine punching
Positioning punching is carried out in mold, centered on the center of circle on the head 111, obtains circular electromagnetic induction seal gasket.
Electromagnetic induction seal gasket of the utility model with pull-tab can utilize electromagnetic induction sealing machine in sealing link, first
Circular electromagnetic induction seal gasket is packed into bottle cap, so that the one side of PET film layer 105 is in contact with the inner top surface of bottle cap；
The bottle cap equipped with electromagnetic induction seal gasket is fastened and is tightened on the bottleneck of container again；Then electromagnetic induction sealing is opened
Machine makes aluminium foil layer 102 generate heat using electromagnetic induction principle, and the bottleneck for melting the heat-sealing bonding container of bottom 101 is sealed,
It packed, stored and is transported again after natural cooling.
As shown in connection with fig. 3, Fig. 3 is that the utility model with the electromagnetic induction seal gasket embodiment of pull-tab is encapsulated in bottleneck
The diminution stereoscopic schematic diagram (having taken away bottle cap) at place, the utility model are tearing it with the electromagnetic induction seal gasket of pull-tab
Before, first unscrew bottle cap, and bottle cap is taken away from the bottle mouth position of container 200, the nail of user's finger tilts connection pull-tab
112 head 111, and pinch the head 111 with finger and upward and outward gently pull, can be along tearing die cut lines
115 and the tearing of round die cut lines 116 open the heat-sealing bottom 101 and aluminium foil layer 102 be bonded with pull-tab 112, while will not also
The adhesion area 117 opened other than pull-tab 112 is torn, the bottle by electromagnetic induction seal gasket from container 200 is thus easy for
It tears on mouth.
As shown in connection with fig. 4, Fig. 4 is stereoscopic schematic diagram of the utility model Fig. 3 after tearing seal gasket；Tearing is fallen
The bottleneck end face of the container 200 of electromagnetic induction seal gasket still also remains the adhesion area other than Fig. 3 pull-tab 112
117, and the adhesion area 117 includes heat-sealing bottom 101, aluminium foil layer 102, PE film layer 103,104 and of EPE layer in Fig. 1
PET film top layer 105；If the contents such as the liquid or solid in container 200 after Kaifeng without disposable complete, also
It can use the EPE layer 104 with certain compressible resilience performance, the bottle cap tightened cooperated to play secondary seal to bottle mouth position
The effect of leakproof.
It should be understood that the above is only the preferred embodiment of the utility model only, it is not sufficient to limit this reality
With novel technical solution, for those of ordinary skills, within the spirit and principles of the present invention, Ke Yigen
Increased and decreased according to above description, replaced, converted or is improved, and all these increases and decreases, replacement, transformation or improved technical side
Case all should belong to the protection scope of the appended claims for the utility model.
Claims (7)
1. a kind of electromagnetic induction seal gasket with pull-tab, thin by heat-sealing bottom, aluminium foil layer, PE film layer, EPE layers and PET
Film top layer is combined, and the heat-sealing bottom with container finish for being in contact, and the aluminium foil layer is located at heat-sealing bottom and PE is thin
Between film layer, described EPE layers between PE film layer and PET film top layer；It is characterized by: the PE film layer, EPE layers
Run through the outer edge for there are round die cut lines to form pull-tab, described EPE layers and PET film top layer part with PET film top layer
Hollow out forms the circular inner edge of pull-tab and connects the head of the pull-tab, the junction on the head and pull-tab from inside
Be provided with the tearing die cut lines for connecting annular die cut lines, and the EPE of the head and pull-tab linkage section layer not with PE film
Layer phase adhesion.
2. the electromagnetic induction seal gasket according to claim 1 with pull-tab, it is characterised in that: by the heat-sealing bottom
Second complex of layer, aluminium foil layer and PE film layer composition, it is compound with the third that is made of described EPE layers and PET film top layer
Body is thermally bonded by annular fever circle hot melt PE film layer；And the internal diameter of the annular fever circle is more than or equal to pull-tab
The internal diameter of inside edge.
3. the electromagnetic induction seal gasket according to claim 1 with pull-tab, it is characterised in that: outside the pull-tab
The diameter on edge is adapted with the internal diameter of sealed bottleneck.
4. the electromagnetic induction seal gasket according to claim 1 with pull-tab, it is characterised in that: the head is in the center of circle
Circle positioned at entire electromagnetic induction seal gasket center.
5. the electromagnetic induction seal gasket according to claim 1 with pull-tab, it is characterised in that: the head with it is easy-to-draw
The linkage section of ring is connected in wedge angle in the inside edge for tearing cross cutting line side and pull-tab, is connected in the other side in rounding off；And
Tear die cut lines and the round and smooth connection of round die cut lines.
6. the electromagnetic induction seal gasket according to claim 1 with pull-tab, it is characterised in that: the head with it is easy-to-draw
The minimum widith of the linkage section of ring is more than or equal to the width of pull-tab.
7. the electromagnetic induction seal gasket according to claim 1 with pull-tab, it is characterised in that: the heat-sealing bottom with
Between aluminium foil layer, between aluminium foil layer and PE film layer, EPE layers peel strength 4N/10mm is coated between PET film top layer
Above glue is simultaneously bonded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073714.3U CN209441943U (en) | 2019-01-17 | 2019-01-17 | A kind of electromagnetic induction seal gasket with pull-tab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073714.3U CN209441943U (en) | 2019-01-17 | 2019-01-17 | A kind of electromagnetic induction seal gasket with pull-tab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209441943U true CN209441943U (en) | 2019-09-27 |
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ID=68017753
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920073714.3U Active CN209441943U (en) | 2019-01-17 | 2019-01-17 | A kind of electromagnetic induction seal gasket with pull-tab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209441943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113022070A (en) * | 2021-03-18 | 2021-06-25 | 中山诚展铝塑复合包装有限公司 | Anti-tear layer and sealing gasket with same |
-
2019
- 2019-01-17 CN CN201920073714.3U patent/CN209441943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113022070A (en) * | 2021-03-18 | 2021-06-25 | 中山诚展铝塑复合包装有限公司 | Anti-tear layer and sealing gasket with same |
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