CN213535753U - Aluminum cup with diaphragm seal - Google Patents
Aluminum cup with diaphragm seal Download PDFInfo
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- CN213535753U CN213535753U CN202022470898.2U CN202022470898U CN213535753U CN 213535753 U CN213535753 U CN 213535753U CN 202022470898 U CN202022470898 U CN 202022470898U CN 213535753 U CN213535753 U CN 213535753U
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Abstract
The utility model discloses an aluminum cup with diaphragm seal, which comprises an aluminum cup body and a seal diaphragm, wherein the aluminum cup body is formed by stretching aluminum foil, the opening edge of the aluminum cup body is provided with a seal cup edge, the seal diaphragm is hermetically and thermally sealed on the seal cup edge, the seal diaphragm is provided with two opposite handle sheets, and the two handle sheets are both protruded outside the seal cup edge; the method is characterized in that: the sealing cup edge comprises a flat part and a curled part, wherein the flat part and the curled part are formed by the aluminum foil, the curled part is positioned on the periphery of the flat part upwards, and the top of the curled part and the flat part are positioned on the same horizontal plane; the middle part of the sealing diaphragm is provided with an easy-tearing opening. This kind of aluminum cup with diaphragm seals is through sealing the cup along setting up to including pars planata and hem portion, strengthens the rigidity that seals the cup edge by a wide margin to strengthen the whole rigidity of whole aluminum cup by a wide margin, be convenient for take up and shift, both conveniently add water, be convenient for again ventilative, also can prevent the condition emergence of scalding one's hand.
Description
Technical Field
The utility model relates to a packing aluminum cup, in particular to an aluminum cup with diaphragm seals.
Background
With the development of society, people are more and more favored with convenient fast food such as instant noodles, instant rice and the like in order to save time, so that safe, environment-friendly and convenient fast food packaging also becomes a popular field. The aluminum cup directly formed by stretching the aluminum foil has higher edible safety, and the conventional high-end convenient fast food package generally adopts the aluminum cup with a diaphragm seal. The aluminum cup with the diaphragm seal generally comprises an aluminum cup body and a seal diaphragm, wherein a seal cup edge is arranged on the opening edge of the aluminum cup body, and the seal diaphragm is hermetically and thermally sealed on the seal cup edge. The sealing membrane for the aluminum cup has insufficient toughness, is not moisture-proof and is easy to damage, and when a manufacturer produces the aluminum cup with the membrane seal, after the sealing membrane is thermally sealed on an opening of the aluminum cup, a layer of polyester film coated with hot melt adhesive is used for bonding the whole aluminum cup with the membrane seal in the polyester film through the processing of a gluing machine.
When instant food needs to be brewed, the polyester film needs to be torn off, most of the sealing membrane is torn off from the opening of the aluminum cup body, the opening of the aluminum cup body is exposed, after brewing hot water is added into the aluminum cup body, the sealing membrane covers the sealing cup edge of the aluminum cup body again, a heavy object is pressed on the sealing membrane, the temperature of the outer side wall of the aluminum cup body is high, the sealing membrane cannot be tightly attached to the sealing cup edge again, people can only hold the outer side wall of the aluminum cup body by hands, the hand is easy to scald, the hand is unstable, particularly when the carriage or the outside is moved, the aluminum cup body with the scald is inconvenient to take and move, the situations of spilling and scalding of boiled water can occur easily when the carriage or the outside is moved, and a great deal of inconvenience is brought to people.
In addition, because the aluminum cup is formed by stretching the aluminum foil, the whole rigidity is poor, the aluminum cup is easy to deform, the weight is greatly increased after the brewing hot water is added, and the aluminum cup is difficult to take up and transfer.
Disclosure of Invention
The utility model aims to solve the problem that an aluminium cup with diaphragm seals is provided, this kind of aluminium cup with diaphragm seals has better rigidity, both conveniently adds water, is convenient for again ventilative, also can prevent the condition emergence of scalding one's hand.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
an aluminum cup with a diaphragm seal comprises an aluminum cup body and a seal diaphragm, wherein the aluminum cup body is formed by stretching an aluminum foil, a seal cup edge is arranged at the opening edge of the aluminum cup body, the seal diaphragm is hermetically and thermally sealed on the seal cup edge, the seal diaphragm is provided with two opposite handle sheets, and the two handle sheets are protruded outside the seal cup edge; the method is characterized in that: the sealing cup edge comprises a flat part and a curled part, wherein the flat part and the curled part are formed by the aluminum foil, the curled part is positioned on the periphery of the flat part upwards, and the top of the curled part and the flat part are positioned on the same horizontal plane; the middle part of the sealing diaphragm is provided with an easy-tearing opening.
According to the aluminum cup with the diaphragm seal, the seal cup edge is arranged to comprise the flat part and the curled part, so that the rigidity of the seal cup edge is greatly enhanced, the integral rigidity of the whole aluminum cup is greatly enhanced, and the aluminum cup is convenient to take up and transfer; in addition, set up easily tearing the mouth through the middle part that seals the diaphragm, only need to tear the mouth that easily tears that seals the diaphragm and just can add water toward in the aluminium cup, both conveniently add water, it is ventilative again, also need not to tear the majority part from the opening of aluminium cup with sealing the diaphragm, seal the diaphragm and keep complete laminating state with sealing the cup edge of aluminium cup, avoid hot water to spill from the gap of aluminium cup with sealing the diaphragm, and two handle pieces keep good stress state, when the user will remove aluminium cup and wherein food, as long as hold between the fingers two handle pieces can, avoid scalding the both hands.
As the utility model discloses an optimal scheme, seal the diaphragm including the PS glue film, pure aluminium layer, first hot melt adhesive layer and ply, coating and the pattern layer that set gradually from bottom to top, the PS glue film coating is on the lower surface of pure aluminium layer, and the upper surface of pure aluminium layer is on the lower surface on Japanese paper layer through first hot melt adhesive layer complex, and the coating is on the upper surface with the ply, and the pattern layer printing is on the upper surface of coating. The paper is a paper type from Japan, and is generally made of fibers of barks of three trees, namely a papermulberry tree, a edgeworthia chrysantha tree and a wild goose bark tree, the fibers of the three barks are fine and smooth, mucus components are more, and the manufactured paper is firm, tough, delicate, attractive, soft, mild and waterproof.
The PS glue layer is formed by coating PS glue, is dried to form a film-shaped PS glue layer without viscosity, can be attached to the edge of the sealing cup of the aluminum cup body in a heat sealing mode, and can protect the lower surface of the pure aluminum layer; the sealing film sheet has good metal texture, is more attractive and high-grade, and meets certain special packaging requirements, such as food packaging or anti-irradiation packaging and the like; the lower surface of the paper layer and the upper surface of the pure aluminum layer are compounded through the first hot melt adhesive layer, and the paper layer has the characteristic of water impermeability, so that the aluminum cup with the diaphragm seal has better moisture resistance and ageing resistance. A coating layer, which is a coating material for changing the surface characteristics of the paper layer, is coated on the upper surface of the paper layer. And then the upper surface of the coating is printed with a pattern layer with characters and/or patterns, so that the aluminum cup with the membrane seal has a marking function.
Above-mentioned PS glue film, pure aluminium layer, first hot melt adhesive layer and ply can carry out recovery processing, recycles after the recovery processing, practices thrift the cost.
As a further preferred scheme of the present invention, the sealing film sheet is provided with an annular score line, the annular score line sequentially penetrates through the pattern layer, the coating layer, the paper layer and the first hot melt adhesive layer from top to bottom, the pattern layer, the coating layer, the paper layer and the first hot melt adhesive layer in an area enclosed by the annular score line form a tear sheet, and the tear sheet is located above the pure aluminum layer; the tearing sheet forms the easy-tearing opening after being torn. Because the pure aluminum layer and the Japanese paper layer are combined together through the first hot melt adhesive layer, the combination between the pure aluminum layer and the Japanese paper layer is very firm, when a user opens the tearing piece and tears along the annular score line, the tearing piece directly tears the pure aluminum layer and the PS adhesive layer below along the annular score line, so that an easy tearing opening with smooth edges is formed on the sealing membrane, the user can conveniently add brewing hot water into the aluminum cup without opening the sealing membrane at the opening edge of the aluminum cup, and the opening on the sealing membrane is small, so that the temperature of the hot water is not easy to dissipate when the fast food is brewed, and the ventilation effect is achieved.
As a further preferred aspect of the present invention, the annular score line has a plurality of discontinuities.
As a further preferred aspect of the present invention, the pure aluminum layer and the japanese paper layer are compounded with a PET layer therebetween, the upper surface of the pure aluminum layer is compounded on the lower surface of the PET layer through the first hot melt adhesive layer, and the upper surface of the PET layer is compounded on the lower surface of the japanese paper layer through the second hot melt adhesive layer. Above-mentioned PET layer is glossy, has good transparency and gas tightness, and the PET layer passes through the upper surface of first hot melt adhesive layer complex at pure aluminium layer, can protect the upper surface of pure aluminium layer, prevents that pure aluminium layer from being oxidated.
As a still further preferred aspect of the present invention, the annular score line penetrates through the pattern layer, the coating layer, the paper layer, the second hot-melt adhesive layer, the PET layer, and the first hot-melt adhesive layer from top to bottom in sequence.
As the preferred embodiment of the present invention, the upper surface and the lower surface of the sealing diaphragm are formed with an upper embossed layer and a lower embossed layer by means of molding. Embossing layer and lower embossing layer are formed on the sealing membrane through the mode of mould pressing for the combination between each layer of sealing membrane is compacter, makes the sealing membrane have certain ductility moreover, and is more pliable and tough.
As a preferred embodiment of the present invention, the curled portion is formed by winding the aluminum foil outside the flat portion.
As the preferred proposal of the utility model, the lifting handle sheet is provided with lifting lug holes. When the aluminum cup finished product was sold in the market, can hang the aluminum cup finished product through the hangers hole and sell on the ironbar of showcase.
Compared with the prior art, the utility model, have following advantage:
the aluminum cup with the diaphragm seal has better rigidity, is convenient for adding water and ventilating, and can prevent scalding hands.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
fig. 3 is a schematic structural view of a sealing membrane in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a sealing membrane in embodiment 2 of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1-3, the aluminum cup with a membrane seal in the present embodiment includes an aluminum cup body 1 and a sealing membrane 2, the aluminum cup body 1 is formed by stretching an aluminum foil, a sealing cup edge 12 is disposed at an edge of an opening 11 of the aluminum cup body 1, the sealing membrane 2 is hermetically and thermally sealed on the sealing cup edge 12, the sealing membrane 2 is provided with two opposite handle sheets 21, and both the two handle sheets 21 protrude outside the sealing cup edge 12; the sealing cup rim 12 comprises a flat part 121 and a curled part 122 formed by aluminum foil, wherein the curled part 122 is positioned on the periphery of the flat part 121, and the top of the curled part 122 is positioned on the same horizontal plane with the flat part 121; the middle part of the sealing diaphragm 2 is provided with an easy-to-tear opening 22; the curl portion 122 is formed by winding aluminum foil outside the periphery of the flat portion 121 from outside to inside.
The sealing membrane 2 comprises a PS glue layer 23, a pure aluminum layer 24, a first hot melt glue layer 25, a paper layer 26, a coating 27 and a pattern layer 28 which are sequentially arranged from bottom to top, wherein the PS glue layer 23 is coated on the lower surface of the pure aluminum layer 24, the upper surface of the pure aluminum layer 24 is compounded on the lower surface of the paper layer 26 through the first hot melt glue layer 25, the coating 27 is coated on the upper surface of the paper layer 26, and the pattern layer 28 is printed on the upper surface of the coating 27. The paper is a paper type from Japan, and is generally made of fibers of barks of three trees, namely a papermulberry tree, a edgeworthia chrysantha tree and a wild goose bark tree, the fibers of the three barks are fine and smooth, mucus components are more, and the manufactured paper is firm, tough, delicate, attractive, soft, mild and waterproof.
The PS glue layer 23 is formed by coating PS glue, a film-shaped PS glue layer 23 is formed after drying, has no viscosity, can be attached to the sealing cup edge 12 of the aluminum cup body 1 in a heat sealing mode, and the PS glue layer 23 can protect the lower surface of the pure aluminum layer 24; moreover, the pure aluminum layer 24 can enable the sealing membrane 2 to have better metal texture, more beautiful and high-grade, and meet certain special packaging requirements, such as food packaging or anti-radiation packaging; the lower surface of the paper layer 26 is compounded on the upper surface of the pure aluminum layer 24 through the first hot melt adhesive layer 25, and the paper layer 26 has the characteristic of water impermeability, so that the aluminum cup with the membrane seal has better moisture resistance and ageing resistance. A coating layer 27 is coated on the upper surface of the paper layer 26, and the coating layer 27 is a coating layer 27 material for changing the surface characteristics of the paper layer 26. And then a pattern layer 28 with characters and/or patterns is printed on the upper surface of the coating 27, so that the aluminum cup with the membrane seal has a marking function.
The sealing membrane 2 is provided with an annular score line 29, and the annular score line 29 is provided with a plurality of break points 291; the annular score line 29 sequentially penetrates through the pattern layer 28, the coating layer 27, the paper layer 26 and the first hot melt adhesive layer 25 from top to bottom, the pattern layer 28, the coating layer 27, the paper layer 26 and the first hot melt adhesive layer 25 in an area surrounded by the annular score line 29 form a tearing sheet 201, and the tearing sheet 201 is positioned above the pure aluminum layer 24; the tear tab 201 is torn to form the easy-tear opening 22. Because the pure aluminum layer 24 and the paper layer 26 are combined together through the first hot melt adhesive layer 25, the combination between the two layers is very firm, when a user opens the tearing sheet 201 and tears along the annular score line 29, the tearing sheet 201 directly tears the pure aluminum layer 24 and the PS adhesive layer 23 below along the annular score line 29, so that the easy-to-tear opening 22 with a smooth edge is formed on the sealing membrane 2, the user can conveniently add brewing hot water into the aluminum cup without opening the sealing membrane 2 at the opening edge of the aluminum cup, and because the opening on the sealing membrane 2 is small, the temperature of the hot water is not easy to dissipate when the instant convenient food is brewed, and the ventilation effect is achieved.
The upper surface and the lower surface of the sealing membrane 2 are formed with an upper embossing layer and a lower embossing layer by means of mould pressing. Form embossing layer and embossing layer down on sealing diaphragm 2 through the mode of mould pressing for it is compacter to seal the combination between 2 each layers of diaphragm, makes to seal diaphragm 2 moreover and has certain ductility, and is more pliable and tough.
Be equipped with lug hole 211 on the handle piece 21, when the aluminium cup finished product was sold in the market, can hang the aluminium cup finished product through lug hole 211 and sell on the ironbar of showcase.
According to the aluminum cup with the diaphragm seal, the seal cup edge 12 is arranged to comprise the flat part 121 and the curled part 122, so that the rigidity of the seal cup edge 12 is greatly enhanced, the integral rigidity of the whole aluminum cup is greatly enhanced, and the aluminum cup is convenient to take up and transfer; in addition, set up easily tearing mouth 22 through the middle part that seals diaphragm 2, only need to tear easily tearing mouth 22 that seals diaphragm 2 and just can add water in the aluminium cup, both conveniently add water, it is ventilative again, also need not to tear most part from the opening of aluminium cup body 1 with sealing diaphragm 2, seal diaphragm 2 and aluminium cup seal cup edge 12 and keep complete laminating state, avoid hot water to spill from aluminium cup body 1 and the gap that seals diaphragm 2, and two handle pieces 21 keep good stress state, when the user will remove aluminium cup and wherein food, as long as hold between the fingers two handle pieces 21 can, avoid scalding both hands.
Example 2
As shown in fig. 4, the aluminum cup with a membrane seal in this embodiment differs from embodiment 1 in that:
a PET layer 30 is compounded between the pure aluminum layer 24 and the paper layer 26, the upper surface of the pure aluminum layer 24 is compounded on the lower surface of the PET layer 30 through a first hot melt adhesive layer 25, and the upper surface of the PET layer 30 is compounded on the lower surface of the paper layer 26 through a second hot melt adhesive layer 20. The PET layer 30 is glossy, has good transparency and air tightness, and the PET layer 30 is compounded on the upper surface of the pure aluminum layer 24 through the first hot melt adhesive layer 25, so that the upper surface of the pure aluminum layer 24 can be protected, and the pure aluminum layer 24 is prevented from being oxidized.
The pattern layer 28, the coating layer 27, the paper layer 26, the second hot melt adhesive layer 20, the PET layer 30 and the first hot melt adhesive layer 25 sequentially penetrate through the annular score line 29 from top to bottom.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. An aluminum cup with a diaphragm seal comprises an aluminum cup body and a seal diaphragm, wherein the aluminum cup body is formed by stretching an aluminum foil, a seal cup edge is arranged at the opening edge of the aluminum cup body, the seal diaphragm is hermetically and thermally sealed on the seal cup edge, the seal diaphragm is provided with two opposite handle sheets, and the two handle sheets are protruded outside the seal cup edge; the method is characterized in that: the sealing cup edge comprises a flat part and a curled part, wherein the flat part and the curled part are formed by the aluminum foil, the curled part is positioned on the periphery of the flat part upwards, and the top of the curled part and the flat part are positioned on the same horizontal plane; the middle part of the sealing diaphragm is provided with an easy-tearing opening.
2. The aluminum cup with a diaphragm seal of claim 1, wherein: the sealing diaphragm comprises a PS glue layer, a pure aluminum layer, a first hot melt glue layer, a paper layer, a coating and a pattern layer which are sequentially arranged from bottom to top, wherein the PS glue layer is coated on the lower surface of the pure aluminum layer, the upper surface of the pure aluminum layer is compounded on the lower surface of the paper layer through the first hot melt glue layer, the coating is coated on the upper surface of the paper layer, and the pattern layer is printed on the upper surface of the coating.
3. The aluminum cup with a diaphragm seal of claim 2, wherein: the sealing film is provided with an annular score line, the annular score line sequentially penetrates through the pattern layer, the coating, the paper layer and the first hot melt adhesive layer from top to bottom, the pattern layer, the coating, the paper layer and the first hot melt adhesive layer in an area enclosed by the annular score line form a tearing sheet, and the tearing sheet is positioned above the pure aluminum layer; the tearing sheet forms the easy-tearing opening after being torn.
4. The aluminum cup with a diaphragm seal of claim 3, wherein: the annular score line has a plurality of discontinuities.
5. The aluminum cup with a diaphragm seal of claim 3, wherein: the PET layer is compounded between the pure aluminum layer and the Japanese paper layer, the upper surface of the pure aluminum layer is compounded on the lower surface of the PET layer through the first hot melt adhesive layer, and the upper surface of the PET layer is compounded on the lower surface of the Japanese paper layer through the second hot melt adhesive layer.
6. The aluminum cup with a diaphragm seal of claim 5, wherein: the annular score line penetrates through the pattern layer, the coating layer, the paper layer, the second hot melt adhesive layer, the PET layer and the first hot melt adhesive layer from top to bottom in sequence.
7. The aluminum cup with a diaphragm seal of claim 1, wherein: and an upper embossing layer and a lower embossing layer are formed on the upper surface and the lower surface of the sealing membrane in a mould pressing mode.
8. The aluminum cup with a diaphragm seal of claim 1, wherein: the edge curling part is formed by winding the aluminum foil on the outer side of the periphery of the flat part from outside to inside.
9. The aluminum cup with a diaphragm seal of claim 1, wherein: the handle sheet is provided with a lug hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022470898.2U CN213535753U (en) | 2020-10-31 | 2020-10-31 | Aluminum cup with diaphragm seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022470898.2U CN213535753U (en) | 2020-10-31 | 2020-10-31 | Aluminum cup with diaphragm seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213535753U true CN213535753U (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022470898.2U Active CN213535753U (en) | 2020-10-31 | 2020-10-31 | Aluminum cup with diaphragm seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213535753U (en) |
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2020
- 2020-10-31 CN CN202022470898.2U patent/CN213535753U/en active Active
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