CN210012099U - Paper-plastic heat seal packing box - Google Patents
Paper-plastic heat seal packing box Download PDFInfo
- Publication number
- CN210012099U CN210012099U CN201920808057.2U CN201920808057U CN210012099U CN 210012099 U CN210012099 U CN 210012099U CN 201920808057 U CN201920808057 U CN 201920808057U CN 210012099 U CN210012099 U CN 210012099U
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- China
- Prior art keywords
- paper card
- paper
- transparent plastic
- heat
- heat seal
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Abstract
The utility model relates to a paper plastic heat seal packing carton, including paper card and transparent plastic casing, the paper card includes upper paper card and lower floor's paper card, transparent plastic casing is lower part open-ended cavity structures, the bottom border is outwards provided with heat seal connecting portion, transparent plastic casing passes through heat seal connecting portion heat seal connection on lower floor's paper card, the opening the same with transparent plastic casing cavity structures bottom cross sectional shape is seted up to upper paper card, the opening cover is followed outside transparent plastic casing cavity structures bottom, upper paper card covers and the heat seal connects the heat seal connecting portion upper surface at lower floor's paper card and transparent plastic casing, the outer border of upper paper card and lower floor's paper card aligns. The technical scheme that the paper-plastic heat sealing position is sealed between the double-layer paper cards is adopted, so that the appearance of the packing box is simpler and more attractive, and meanwhile, the heat sealing connection between the paper and the plastic is not easy to damage, and the sealing property is kept more favorably.
Description
Technical Field
The utility model relates to the technical field of daily necessities, concretely relates to paper is moulded heat seal packing carton.
Background
At present, the manufacture of the packing box by using the heat seal between the paper card and the transparent plastic shell is a common processing means, the packing mode has the advantages of simple structure, capability of directly observing the objects contained in the packing box, difficulty in replacing the objects in the packing box under the condition of not damaging the packing and the like, and meanwhile, the plastic shell has a certain protection effect on the objects in the packing box, so the plastic shell is widely applied to the packing fields of food, medicine, toys, batteries, dental appliances, various small articles of daily use and the like. The prior paper-plastic heat-seal packing box is generally characterized in that the edge of a transparent plastic shell is directly heat-sealed on a single paper bottom plate, although the processing is easier, certain defects also exist: the heat seal connecting part between the paper card and the plastic shell is directly exposed outside, the whole attractiveness of the packaging box is influenced, meanwhile, the heat seal connecting part is easily damaged in the processes of transportation, selling and the like, the maintenance of the sealing performance is not facilitated, if the sealing performance of the packaging box is ensured by means of increasing the connecting area and the connecting strength of the paper-plastic heat seal connecting part, the difficulty in the disassembly of the packaging box is greatly improved, and the inconvenience in use is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat seal packing carton is moulded to paper uses double-deck paper card and transparent plastic casing to carry out the heat seal, and the heat seal connecting portion between transparent plastic casing and the paper card is sealed between upper and lower floor's paper card, makes packing carton succinct more in the outward appearance, pleasing to the eye, and the heat seal connection between the paper is moulded simultaneously is not fragile, makes the packing carton have better leakproofness.
In order to achieve the technical purpose, the technical scheme is as follows: a paper-plastic heat-seal packaging box comprises paper cards and a transparent plastic shell, wherein the paper cards comprise an upper layer of paper cards and a lower layer of paper cards which are identical in shape at the outer edge, the transparent plastic shell is of a cavity structure with an opening at the lower part, a heat-seal connecting part is outwards arranged at the edge of the bottom of the transparent plastic shell, and the transparent plastic shell is connected to the lower layer of paper cards in a heat-seal sealing mode through the heat-seal connecting part; the upper layer paper card is provided with an opening which is the same as the bottom section of the cavity structure of the transparent plastic shell in shape, the opening is sleeved on the outer edge of the bottom of the cavity structure of the transparent plastic shell, the upper layer paper card covers and is in heat sealing connection with the surface of the heat sealing connection part of the lower layer paper card and the transparent plastic shell, and the outer edges of the upper layer paper card and the lower layer paper card are aligned.
Furthermore, a layer of plastic film is covered between the lower layer paper card and the transparent plastic shell.
Furthermore, the upper layer paper card and the lower layer paper card are formed by symmetrically folding the whole paper card along the center line.
Furthermore, hanging openings which are identical in shape and opposite in position are formed in the positions, close to the opposite folding ends, of the upper layer paper card and the lower layer paper card.
Further, the transparent plastic shell is internally provided with a partition layer.
Furthermore, a plurality of vent holes are formed in the partition layer.
Furthermore, the lower layer paper card is provided with a tearing line below the transparent plastic shell.
Compared with the prior art, the utility model has the advantages that:
1. the heat seal connecting part between the transparent plastic shell and the paper card is sealed between the two layers of paper cards in heat seal connection, the whole packing box is simpler and more attractive in appearance, and meanwhile, the heat seal connecting part between the paper and the plastic is not easy to damage, so that the sealing property is maintained more favorably.
2. A layer of plastic film is covered between the lower layer paper card and the plastic shell, so that the moisture-proof, moisture-proof and sealing performances of the packing box can be further improved.
3. The upper and lower paper cards are formed by symmetrically folding the whole paper card along the central line, so that the edges of the upper and lower paper cards are easier to align and convenient to process.
4. The partition layer is arranged in the transparent plastic shell, so that the packaged articles can be separately packaged; the air holes are formed in the partition layer, so that when the desiccant is used for packaging articles needing moisture protection, the desiccant and the packaged articles can be effectively separated.
5. The lower layer paper card is provided with a tearing line, so that the packaging box is easier to open.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural view before heat sealing.
In each schematic: 1. an upper layer paper card; 2. a lower layer paper card; 3. a transparent plastic housing; 4. a heat seal connecting part; 5. an opening; 6. hanging the port; 7. a partition layer; 8. and (4) a vent hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The paper-plastic heat-seal packaging box shown in fig. 1 comprises paper cards and a transparent plastic shell 3, wherein the paper cards comprise an upper layer paper card 1 and a lower layer paper card 2 which are in the same shape at the outer edge, the transparent plastic shell 3 is a cavity structure with an opening at the lower part, in the embodiment, the transparent plastic shell 3 is a semi-cylinder with an opening at the lower part and is made of PVC material through plastic suction processing, a heat-seal connecting part 4 is outwards arranged at the edge of the bottom, and the transparent plastic shell 3 is connected to the lower layer paper card 2 in a heat-seal manner through the heat-seal connecting part 4; the upper layer paper card 1 is provided with an opening 5 which is the same as the bottom section shape of the cavity structure of the transparent plastic shell, the opening 5 is sleeved on the outer edge of the bottom of the cavity structure of the transparent plastic shell 3, the upper layer paper card 1 covers and is connected to the heat seal connecting part 4 of the transparent plastic shell 3 and the upper surface of the lower layer paper card 2 in a heat seal mode, and the edges of the upper layer paper card 1 and the lower layer paper card 2 are aligned. The transparent plastic shell 3 of the packing box can be made of different materials such as PVC, PET, PP and the like according to different storage and packing requirements of packed materials. In the technical scheme, the heat seal connecting part 4 between the transparent plastic shell 3 and the paper card is sealed between the upper layer paper card and the lower layer paper card, so that the whole appearance of the packing box is simpler and more attractive, meanwhile, the heat seal connection between the paper and the plastic is not easy to damage, and the sealing property of the packing box is more favorably maintained. Carry out the heat seal through the heat-seal glue and connect between the upper and lower layer paper card, compare and connect in the heat seal between paper is moulded and change and tear, according to the technical scheme that this utility model provides, only need less heat seal connection area just can guarantee the leakproofness of packing between the paper is moulded, compare in the mode that improves the leakproofness through the heat seal connection area between increase plastic housing and the paper card, easily realize opening of packing more, facilitate the use.
As the utility model discloses a preferred embodiment, between lower floor's paper card 2 and transparent plastic casing 3, still cover and have one deck plastic film, when transparent plastic casing 3 and lower floor's paper card 2 heat seal are connected, plastic film heat seal is in the lump between lower floor's paper card 2 and transparent plastic casing 3, plastic film separates transparent plastic casing 3's object containing cavity and lower floor's paper card 2, can further improve the dampproofing and moisture-proof performance of this packing carton, especially when the material that is packed for having certain volatility or humidity, can effectively prevent the infiltration that takes place through lower floor's paper card 2.
As shown in fig. 2, in this embodiment, the upper and lower paper cards are formed by folding the whole rectangular paper card symmetrically along the centerline, so that the upper and lower paper cards are aligned more easily, and the processing efficiency can be effectively improved.
As a further optimization, the partition layer 7 is further arranged in the transparent plastic shell 3, the packaged articles can be separately packaged, the partition layer 7 can be provided with a plurality of vent holes 8, and when the desiccant and the packaged food are used for packaging partial food articles which are not prone to being affected with damp, the desiccant and the packaged food can be effectively separated.
As further optimization, the lower layer paper card (2) is provided with a tearing line at the position below the transparent plastic shell (3), and the tearing line can adopt a mode of pore type breakpoint linear distribution, so that the packaging box is more easily disassembled.
To sum up, this utility model provides a paper plastic packaging box technical scheme, the structure is simple and easy, and reasonable in design seals between two-layer paper card through moulding the heat seal position with paper, makes more succinctly, pleasing to the eye in the outward appearance, and the heat seal connection between the paper is moulded is difficult for receiving destruction simultaneously, is favorable to the keeping of packing carton leakproofness, has good market perspective.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a paper plastic heat seal packing carton, includes paper card and transparent plastic casing (3), its characterized in that: the paper card comprises an upper layer paper card (1) and a lower layer paper card (2) which are identical in shape of the outer edge, the transparent plastic shell (3) is of a cavity structure with an opening at the lower part, a heat sealing connecting part (4) is outwards arranged at the edge of the bottom of the transparent plastic shell, and the transparent plastic shell (3) is connected to the lower layer paper card (2) in a heat sealing mode through the heat sealing connecting part (4); the upper paper card (1) is provided with an opening (5) which is the same as the bottom section of the cavity structure of the transparent plastic shell (3), the opening (5) is sleeved on the outer edge of the bottom of the cavity structure of the transparent plastic shell (3), the upper paper card (1) is covered and connected to the upper surface of the heat sealing connecting part (4) of the lower paper card (2) and the transparent plastic shell (3) in a heat sealing manner, and the outer edges of the upper paper card (1) and the lower paper card (2) are aligned.
2. The paper plastic heat-seal packaging box according to claim 1, characterized in that: a layer of plastic film is covered between the lower layer paper card (2) and the transparent plastic shell (3).
3. The paper plastic heat-seal packaging box according to claim 1, characterized in that: the upper layer paper card (1) and the lower layer paper card (2) are formed by symmetrically folding the whole paper card along the center line.
4. A paper plastic heat-seal packaging box according to claim 3, characterized in that: the upper layer paper card (1) and the lower layer paper card (2) are provided with hanging openings (6) which are the same in shape and opposite in position near the opposite folding ends.
5. The paper plastic heat-seal packaging box according to claim 1, characterized in that: the transparent plastic shell (3) contains a partition layer (7).
6. The paper plastic heat-seal packaging box according to claim 5, characterized in that: the partition layer (7) is provided with a plurality of vent holes (8).
7. The paper plastic heat-seal packaging box according to claim 1, characterized in that: and the lower layer paper card (2) is provided with a tearing line below the transparent plastic shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920808057.2U CN210012099U (en) | 2019-05-31 | 2019-05-31 | Paper-plastic heat seal packing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920808057.2U CN210012099U (en) | 2019-05-31 | 2019-05-31 | Paper-plastic heat seal packing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210012099U true CN210012099U (en) | 2020-02-04 |
Family
ID=69318345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920808057.2U Expired - Fee Related CN210012099U (en) | 2019-05-31 | 2019-05-31 | Paper-plastic heat seal packing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210012099U (en) |
-
2019
- 2019-05-31 CN CN201920808057.2U patent/CN210012099U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200204 Termination date: 20210531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |