CN213169396U - Packaging film - Google Patents
Packaging film Download PDFInfo
- Publication number
- CN213169396U CN213169396U CN202023201996.2U CN202023201996U CN213169396U CN 213169396 U CN213169396 U CN 213169396U CN 202023201996 U CN202023201996 U CN 202023201996U CN 213169396 U CN213169396 U CN 213169396U
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- packaging film
- glue
- film
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Abstract
The utility model relates to a packaging film, including the base film, its one side partial coating has glue in order to form the rubber coating district, and the remainder is the glueless district, and when the width direction along the packaging film cut off the packaging film in the optional position, the rubber coating district all was cut with glueless district. This packaging film packs box-like thing, both can guarantee the hot-seal and cut the effect, can make the packaging film paste on box-like thing surface simultaneously.
Description
Technical Field
The utility model relates to a packaging material technical field, concretely relates to packaging film.
Background
When the box-shaped objects are coated, in order to make the film adhere to the surface of the box-shaped objects, the film is generally coated in a heat shrinkage mode, the box-shaped objects are packaged by the packaging film, then the packaging film is sealed and cut by a heat sealing and cutting mechanism, and then the packaging film enters a heat shrinkage furnace for heat shrinkage, so that the film is attached to the surface of the box-shaped objects in a shape-following mode, and the packaging is completed. This kind of packaging form adopts is pyrocondensation packaging film, and the pyrocondensation film needs the heat big at the shrink in-process, and the energy consumption is high, and simultaneously at the heat shrink in-process, high temperature makes the membrane surface volatilize, releases harmful gas, if use non-pyrocondensation film, its can not be fine packs box-like thing, unevenness can appear in the packaging process, the problem of laminating inadequately for it is not good to pack the effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned technical problem and provide a packaging film, use this packaging film to pack box-like thing, both can guarantee the heat-seal and cut the effect, can make the packaging film paste on box-like thing surface simultaneously.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a packaging film, includes the base film, one of them partial coating of base film has glue in order to form the rubber coating district, and the remainder is glueless district, and follows the width direction of packaging film cuts in the optional position during the packaging film, rubber coating district and glueless district are all cut.
The utility model has the advantages that: at the in-process to box-like thing packing, the existing rubber coating district on the packaging film, also there is not gluey district, the rubber coating district can be so that the better bonding of packaging film is on the surface of box-like thing, more levels, cuts the in-process to the heat-seal simultaneously, and its tangent plane is existing rubber coating district also has not gluey district, makes the upper and lower membrane seal of parcel box-like thing better bond together under the condition of heating, forms closed packing, and simultaneously, hou mian packaging film can bond together and carry out the packing of next box-like thing, uses the utility model discloses a packaging film packs, has improved the effect of packing, has reduced the degree of difficulty of packing, has reduced the energy consumption, and the harm of volatile harmful gas to the human body when having reduced the pyrocondensation.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the glue coating area comprises at least one glue coating belt which is parallel to or obliquely arranged with the length direction of the packaging film, and the glue coating belt is in a strip shape or a wave shape or a combination thereof.
Further, the rubber coating belt of the rubber coating area is in a grid shape.
Further, the glue is acrylic acid-acrylate copolymer latex or acrylate modified synthetic rubber.
Further, the peel strength of the glue coating area is 5-430g/50mm2。
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of the packaging film of the present invention;
fig. 2 is a schematic structural diagram of an embodiment 2 of the packaging film of the present invention;
fig. 3 is a schematic structural diagram of embodiment 3 of the packaging film of the present invention;
fig. 4 is a schematic structural view of embodiment 4 of the packaging film of the present invention;
fig. 5 is a schematic structural view of example 5 of the packaging film of the present invention;
fig. 6 is a schematic structural view of example 6 of the packaging film of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. glue coating area, 2 glue-free area.
Detailed Description
The principles and features of the present invention will be described with reference to the drawings and the embodiments, which are provided for illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-6, the utility model provides a packaging film, including the base film, one of them side partial coating of base film has glue in order to form rubber coating district 1, and the remainder is glueless district 2, and the another side does not coat glue, and follows the width direction of packaging film cuts at the optional position during the packaging film, rubber coating district 1 and glueless district 2 are all cut, follow promptly the width direction of packaging film cuts the section at the optional position on the cross section that the packaging film formed, the existing rubber coating district 1 of section department of one side of coating glue also has glueless district 2.
At the in-process to box-like thing packing, the partial coating has the one side contact box-like thing of glue, existing rubber coating district 1 on the packaging film, also there is not gluey district 2, rubber coating district 1 can make the better bonding of packaging film on the surface of box-like thing, and is more level and smooth, and simultaneously, this packaging film can be fit for the packing of the box-like thing of any size rule, no matter seal and cut in any position, its tangent plane is existing rubber coating district 1 also has not gluey district 2, make the upper and lower membrane seal after the parcel box-like thing better bonding under the condition of heating together, form closed packing, and simultaneously, the packing of next box-like thing can be carried out in the same place in hou mian packaging film packs, has improved the effect of packing, has reduced the degree of difficulty of packing, has reduced the energy consumption, the harm of volatile harmful gas to the human body when having reduced the pyrocondensation.
The base film is preferably in a strip shape, so that the base film can be conveniently arranged into a roll and continuously packaged.
The base film can be an existing non-adhesive or self-adhesive packaging film, such as a PE film, a POF film, an OPP film, a PET film or a composite film thereof, or a degradable film, such as a PE film with a lewy place added, but is not limited thereto.
The gluing area 1 is in any regular or irregular shape, can be arranged by oneself, and is convenient to produce. The utility model provides six different embodiments to further explain the shape of the glue spreading section 1.
Example 1
As shown in fig. 1, the glue application area 1 comprises at least one glue application belt arranged in parallel with the length direction of the non-adhesive packaging film, and the glue application belt is in a strip shape.
Example 2
As shown in fig. 2, the glue-coated area 1 comprises at least one strip of glue-coated ribbon arranged parallel to the length direction of the non-adhesive packaging film, the glue-coated ribbon being wave-shaped.
Example 3
As shown in fig. 3, the glue coating area 1 comprises at least one glue coating belt arranged in parallel with the length direction of the non-adhesive packaging film, and the glue coating belt is a combination of a long strip shape and a wave shape.
Example 4
As shown in fig. 4, the glue coating area 1 comprises at least one glue coating belt obliquely arranged with the length direction of the non-adhesive packaging film, and the glue coating belt is in a strip shape or a wave shape or a combination thereof.
Example 5
As shown in fig. 5, the glue coating area 1 comprises glue coating tapes which are respectively parallel to the length direction of the non-adhesive packaging film and obliquely arranged, and the glue coating tapes are in a strip shape or a wave shape or a combination thereof.
Example 6
As shown in fig. 6, the glue coating area 1 comprises at least one glue coating belt parallel to or inclined with the length direction of the non-adhesive packaging film, the glue coating belt is in a strip shape or a wave shape or a combination thereof, and the glue coating belt in the glue coating area 1 is in a grid shape.
In all the above embodiments, the glue may be acrylic acid-acrylate copolymer latex or acrylate modified synthetic rubber, but is not limited thereto, and commercially available glues may be used in the present invention. The glue can be purchased from the market, so that the raw materials of the packaging film are easy to obtain, and the cost is reduced.
Preferably, the area ratio of the glue coating area 1 to the glue-free area 2 is 1: 0.017-60.
Preferably, the area ratio of the glue coating area 1 to the glue-free area 2 is 1: 1.5-60.
Preferably, the area ratio of the glue coating area 1 to the glue-free area 2 is 1: 3-8, and the best sealing, cutting and packaging effects can be achieved under the glue coating ratio.
The viscosity of the glue can be set according to the glue coating amount and the peeling strength of the gluing area.
Preferably, the peeling strength of the glue coating area 1 is 5-430g/50mm2。
Preferably, the peeling strength of the glue coating area 1 is 160-370g/50mm2In this ratio, the packaging film can be adhered to the surface of the box-shaped object, and the packaging film can be conveniently removed when the packaging box is unsealed.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The packaging film comprises a base film and is characterized in that one side of the base film is partially coated with glue to form a glue coating area (1), the other side of the base film is a glue-free area (2), and the glue coating area (1) and the glue-free area (2) are both cut off when the packaging film is cut off at any position along the width direction of the packaging film.
2. A packaging film according to claim 1, wherein said glue application zone (1) comprises at least one strip of glue applied parallel or inclined to the length of said packaging film, said strip being elongated or undulated or a combination thereof.
3. A packaging film as claimed in claim 2, wherein said rubber-coated ribbon of said rubber-coated region (1) is in the form of a grid.
4. The packaging film according to any one of claims 1 to 3, wherein the glue is an acrylic acid-acrylic ester copolymer latex or an acrylic ester modified synthetic rubber.
5. A packaging film according to any one of claims 1-3, wherein said glue-coated area (1) has a peel strength of 5-430g/50mm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023201996.2U CN213169396U (en) | 2020-12-23 | 2020-12-23 | Packaging film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023201996.2U CN213169396U (en) | 2020-12-23 | 2020-12-23 | Packaging film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213169396U true CN213169396U (en) | 2021-05-11 |
Family
ID=75782358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023201996.2U Active CN213169396U (en) | 2020-12-23 | 2020-12-23 | Packaging film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213169396U (en) |
-
2020
- 2020-12-23 CN CN202023201996.2U patent/CN213169396U/en active Active
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