CN220976867U - Self-adhesive paper with knife cutting lines - Google Patents
Self-adhesive paper with knife cutting lines Download PDFInfo
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- CN220976867U CN220976867U CN202322651949.5U CN202322651949U CN220976867U CN 220976867 U CN220976867 U CN 220976867U CN 202322651949 U CN202322651949 U CN 202322651949U CN 220976867 U CN220976867 U CN 220976867U
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- 239000000853 adhesive Substances 0.000 title claims abstract description 98
- 239000000123 paper Substances 0.000 claims abstract description 170
- 239000010410 layer Substances 0.000 claims abstract description 103
- 239000012790 adhesive layer Substances 0.000 claims abstract description 84
- 239000000463 material Substances 0.000 claims abstract description 45
- 239000011087 paperboard Substances 0.000 claims abstract description 35
- 230000001070 adhesive effect Effects 0.000 claims description 30
- 239000000835 fiber Substances 0.000 claims description 25
- 239000004831 Hot glue Substances 0.000 claims description 11
- 238000003851 corona treatment Methods 0.000 claims description 6
- 229920003043 Cellulose fiber Polymers 0.000 claims description 5
- 239000011111 cardboard Substances 0.000 claims 3
- 239000002390 adhesive tape Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 101100008047 Caenorhabditis elegans cut-3 gene Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The utility model relates to the technical field of self-adhesive tapes, and discloses self-adhesive paper with knife cutting lines, which comprises a bottom paperboard, wherein the bottom paperboard is made of hard paper, the self-adhesive paper is arranged on the upper side of the bottom paperboard, and the knife cutting lines are arranged on the upper side of the self-adhesive paper; the self-adhesive paper comprises a primer layer, a paper base layer, an adhesive layer and a surface material layer, the self-adhesive paper is provided with knife cuts, the knife cuts are arranged along the preset edges of the knife cuts through the preset edges of the self-adhesive paper, and the knife cuts are arranged in the laminated structure of the whole self-adhesive paper, wherein the material of the bottom paperboard is hard, so that the self-adhesive paper can be quickly taken off from the upper side surface of the bottom paperboard, burrs and burrs are avoided, the self-adhesive paper can be cleanly and neatly adhered to a desired object, the stability of the knife cuts is effectively ensured, and the strength and flexibility of the whole knife cuts are effectively ensured.
Description
Technical Field
The utility model relates to the technical field of self-adhesive, in particular to self-adhesive paper with knife cutting lines.
Background
The self-adhesive paper is a common adhesive material, the back surface of the self-adhesive paper is generally coated with self-adhesive, and the surface of the self-adhesive paper can be used for writing, drawing patterns and the like, so that the self-adhesive paper is widely applied to the fields of labels, stickers, seals and the like. People have a large number of uses in daily production or work, are indispensable good working aids, and promote and add codes for enterprise products.
Through searching, the utility model with the patent number of CN215620617U and the name of self-adhesive base paper comprises a silicon oil layer, a PET layer and a reinforcing layer, and research and analysis show that although the advantages of high flatness, difficult wetting, good crease resistance and the like of the PET layer are utilized, the advantages of high flatness and low cost of the reinforcing layer are utilized, the manufactured self-adhesive base paper has the advantages of high flatness, difficult wetting, and the production cost of the self-adhesive base paper manufactured by the utility model is far lower than that of the traditional PET silicone oil base paper.
But to some extent there are also the following disadvantages, such as: in actual production work, how to ensure that the self-adhesive paper can be used rapidly, efficiently and conveniently, and the self-adhesive paper can be removed very rapidly, burrs and burrs can not be generated under the condition that cutting tools such as scissors are not needed, the attractive effect of the whole self-adhesive paper can not be influenced, and how to increase the strength of the self-adhesive paper to conveniently meet the daily requirements of people is a technical problem to be solved urgently.
Disclosure of utility model
The utility model aims to provide self-adhesive paper with knife cutting lines so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-adhesive paper with the knife cutting lines comprises a bottom paperboard, wherein the bottom paperboard is made of hard paper, self-adhesive paper is arranged on the upper side of the bottom paperboard, and the knife cutting lines are arranged on the upper side of the self-adhesive paper;
The self-adhesive paper comprises a primer layer, a paper base layer, an adhesive layer and a surface material layer, wherein the primer layer is adhered to the upper side of the bottom paperboard, the primer layer is formed by hot melt adhesive, the paper base layer is arranged on the upper side of the primer layer, the adhesive layer is arranged on the upper side of the paper base layer, and the surface material layer is arranged on the upper side of the adhesive layer.
Along the preset edge of the knife cutting grain, the knife cutting grain is arranged in the laminated structure of the whole self-adhesive paper in a penetrating way and is preset and processed in advance, so that the self-adhesive paper can be quickly taken off from the upper side surface of the bottom paperboard, burrs and burrs are avoided, the self-adhesive paper can be cleanly and cleanly adhered to a desired object, and the stability of the knife cutting grain self-adhesive paper is effectively ensured due to the fact that the material of the bottom paperboard is a hard sheet design, and the strength and flexibility of the whole knife cutting grain self-adhesive paper are effectively ensured by the increased thickness of the self-adhesive paper;
Further, the paper basic unit includes bump paper and pit paper, the upside of bottom glue film bonds there is bump paper, the downside fixedly connected with evenly distributed's of bump paper bump, its evenly distributed's bump can with the bottom glue layer forms great area of contact, increases its intensity of connection, the upside fixedly connected with pit paper of bump paper, the upside evenly distributed of pit paper has the structure setting of pit, increase the effective area of contact of pit paper upside.
The adhesive layer adhered to the upper side of the bottom paperboard is matched with the layered structure design of the convex point paper and the concave point paper in the paper base layer, wherein the convex points which are uniformly distributed are fixedly connected to the lower side of the convex point paper, so that the adhesive layer can be well fused with the hot melt adhesive in the adhesive layer to the greatest extent, the contact area with the hot melt adhesive in the adhesive layer is increased, the adhesiveness of the knife-cut adhesive paper is greatly enhanced, and the adhesive firmness of the knife-cut adhesive paper with adhered objects can be firmly improved, so that the practicability of the knife-cut adhesive paper is improved;
Further, the bonding layer comprises a fiber layer, an upper adhesive layer and a lower adhesive layer, wherein the lower adhesive layer is fixedly connected to the upper side of the pit paper, the fiber layer is fixedly connected to the upper side of the lower adhesive layer, and the upper adhesive layer is fixedly connected to the upper side of the fiber layer.
Further, the material of the fiber layer is composed of cellulose fibers and forms a network structure, and the network structure can enable the upper adhesive layer and the lower adhesive layer to be fused better to increase the adhesive strength.
The concave point paper is fixedly connected with the upper side of the convex point paper, and concave points which are uniformly distributed are arranged on the upper side surface of the concave point paper, so that the effective contact area of the concave point paper and a lower adhesive layer fixedly connected with the upper side of the concave point paper is increased, the adhesiveness of the concave point paper and the lower adhesive layer is increased, the fiber layer fixedly connected between the lower adhesive layer and the upper adhesive layer is a reticular structure formed by cellulose fibers, the structural stability of the upper adhesive layer, the lower adhesive layer and the lower adhesive layer which are connected by the fiber layer is effectively increased, the lamellar structure of the whole adhesive layer has super strong toughness, the tearing resistance of the knife cut adhesive paper is further enhanced, and the specific application field in practice is improved;
Further, the surface material layer is made of transparent film materials, the lower side of the surface material layer is fixedly connected with the upper side of the upper adhesive layer, and the upper surface of the surface material layer is subjected to corona treatment.
Then through the application of the transparent film material of the surface material layer, wherein the upper surface of the surface material layer is subjected to corona treatment, a plurality of required patterns, figures or special marks can be printed effectively, and the required marks can be made on the surface material layer by an oily pen in the actual use process, so that the practicability of the knife-cut adhesive paper is further improved, various requirements are met conveniently, and the customer satisfaction is improved;
Further, the knife cutting lines penetrate through the bottom glue layer, the convex point paper, the concave point paper, the fiber layer, the upper adhesive layer, the lower adhesive layer and the surface material layer, and the knife cutting lines can cut the laminated structure adhered to the upper side of the bottom paper board, so that the complete self-adhesive paper can be smoothly and rapidly separated from the upper side of the bottom paper board, and the tearing performance is enhanced.
Further, the shape of the knife cutting lines is rectangular or square or round or elliptic or star-shaped or triangular.
Finally, the shape of the knife cutting lines can be designed into various customized shapes such as rectangle, square, round, oval, star, triangle and the like, so that the knife cutting lines can adapt to the specific application requirements of different scenes, the diversified selection can greatly improve the satisfaction of customers, the enterprise image is increased, the requirements in actual production and life are met, and people can freely select.
Compared with the prior art, the utility model provides the self-adhesive paper with the knife cutting lines, which has the following beneficial effects:
1. According to the self-adhesive paper with the knife cuts, the edge preset along the knife cuts is enabled to be preset in advance through the mutual matching action among the laminated structures of the bottom paperboard, the self-adhesive paper, the knife cuts, the bottom adhesive layer, the paper base layer, the bonding layer and the surface material layer, and the knife cuts are arranged in the laminated structure of the whole self-adhesive paper in a penetrating mode, wherein the material of the bottom paperboard is of a hard design, so that the self-adhesive paper can be quickly taken off from the upper side face of the bottom paperboard, burrs and burrs are avoided, the self-adhesive paper can be cleanly and tidily adhered to a desired object, the stability of the knife cuts is effectively ensured, and the thickness of the bottom paperboard effectively ensures the strength and flexibility of the whole knife cuts self-adhesive paper;
2. The self-adhesive paper with the knife cutting lines is designed through the layer of the base adhesive adhered to the upper side of the bottom paperboard and the layered structure of the convex point paper and the concave point paper matched with the paper base layer, wherein the convex points which are uniformly distributed are fixedly connected to the lower side of the convex point paper, so that the self-adhesive paper can be well fused with the hot melt adhesive in the base adhesive layer to the greatest extent, the contact area with the hot melt adhesive in the base adhesive layer is increased, the adhesiveness of the self-adhesive paper with the knife cutting lines is greatly enhanced, the adhesion firmness of the self-adhesive paper with the knife cutting lines to adhered objects is ensured, and the practical beneficial effect of the self-adhesive paper with the knife cutting lines is increased;
3. The fiber layer is a net structure formed by cellulose fibers, so that the structural stability of the upper and lower adhesive layers connected by the fiber layer is effectively improved, the layered structure of the whole adhesive layer has super strong toughness, and the tearing resistance of the knife-cut adhesive paper is enhanced, so that the practical beneficial effects of specific application fields are improved.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic view of a cut-away perspective view of a specific structure of the present utility model;
FIG. 3 is a schematic view showing a bottom perspective of a specific structure of the present utility model;
FIG. 4 is a schematic view of an explosion structure of an adhesive layer according to the present utility model;
FIG. 5 is a schematic view of an exploded construction of a paper substrate according to the present utility model;
Fig. 6 is a schematic view of a knife cut pattern in a three-dimensional structure according to the present utility model.
In the figure: 1. a bottom paperboard; 2. self-adhesive paper; 21. a primer layer; 22. a paper base layer; 221. bump paper; 222. pit paper; 23. an adhesive layer; 231. a fibrous layer; 232. applying an adhesive layer; 233. a lower adhesive layer; 24. a surface material layer; 3. cutting lines by a knife.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-6, a self-adhesive paper with knife cutting lines comprises a bottom paperboard 1, wherein the bottom paperboard 1 is made of hard paper, self-adhesive paper 2 is arranged on the upper side of the bottom paperboard 1, and knife cutting lines 3 are arranged on the upper side of the self-adhesive paper 2;
The self-adhesive paper 2 comprises a primer layer 21, a paper base layer 22, an adhesive layer 23 and a surface material layer 24, wherein the primer layer 21 is adhered to the upper side of the bottom paperboard 1, the primer layer 21 is formed by hot melt adhesive, the paper base layer 22 is arranged on the upper side of the primer layer 21, the adhesive layer 23 is arranged on the upper side of the paper base layer 22, and the surface material layer 24 is arranged on the upper side of the adhesive layer 23.
Along the preset edge of the knife cutting grain 3, the knife cutting grain 3 is arranged in the laminated structure of the whole self-adhesive paper 2 in a penetrating way and is preset and processed in advance, so that the self-adhesive paper 2 can be quickly taken off from the upper side surface of the bottom paperboard 1, burrs and burrs are avoided, the self-adhesive paper can be cleanly and tidily adhered to a desired object, wherein the stability of the knife cutting grain self-adhesive paper is effectively ensured due to the fact that the material of the bottom paperboard 1 is a hard sheet design, and the strength and flexibility of the whole knife cutting grain self-adhesive paper are effectively ensured due to the increased thickness;
Further, the paper base layer 22 comprises bump paper 221 and pit paper 222, the bump paper 221 is adhered to the upper side of the base glue layer 21, evenly distributed bumps are fixedly connected to the lower side surface of the bump paper 221, the evenly distributed bumps can form a larger contact area with the base glue layer 21, the connection strength is increased, the pit paper 222 is fixedly connected to the upper side of the bump paper 221, pits are evenly distributed on the upper side surface of the pit paper 222, and the effective contact area of the upper side surface of the pit paper 222 is increased.
The bottom adhesive layer 21 adhered to the upper side of the bottom paperboard 1 and the laminated structure design of the convex point paper 221 and the concave point paper 222 matched with the paper base layer 22 are adopted, wherein the convex points which are uniformly distributed are fixedly connected to the lower side of the convex point paper 221, so that the convex point paper can be well fused with the hot melt adhesive in the bottom adhesive layer 21 to the greatest extent, the contact area with the hot melt adhesive in the bottom adhesive layer 21 is increased, the adhesiveness of the knife-cut non-setting adhesive paper is greatly enhanced, and the adhesive firmness of the knife-cut non-setting adhesive paper can be firmly improved, so that the practicability of the knife-cut non-setting adhesive paper is improved;
Further, the adhesive layer 23 includes a fiber layer 231, an upper adhesive layer 232 and a lower adhesive layer 233, the lower adhesive layer 233 is fixedly connected to the upper side of the pit paper 222, the fiber layer 231 is fixedly connected to the upper side of the lower adhesive layer 233, and the upper adhesive layer 232 is fixedly connected to the upper side of the fiber layer 231.
Further, the material of the fiber layer 231 is composed of cellulose fibers and forms a network structure, which can better fuse the upper adhesive layer 232 and the lower adhesive layer 233 to increase the adhesive strength.
Then, through the pit paper 222 fixedly connected with the upper side of the bump paper 221, pits which are uniformly distributed are arranged on the upper side surface of the pit paper 222, the effective contact area of the pit paper 222 and the lower adhesive layer 233 fixedly connected with the upper side of the pit paper is increased by the design of the structure, the adhesiveness of the pit paper 222 and the lower adhesive layer 233 is increased, wherein the fiber layer 231 fixedly connected between the lower adhesive layer 233 and the upper adhesive layer 232 is formed by the fiber layer 231, and the structural stability of the upper adhesive layer 232 and the lower adhesive layer 233 connected by the fiber layer 231 is effectively increased, so that the laminated structure of the whole adhesive layer 23 has super strong toughness, the tearing resistance of the knife-cut adhesive paper is further enhanced, and the specific application field in practice is improved;
Further, the surface material layer 24 is made of transparent film material, the lower side of the surface material layer 24 is fixedly connected with the upper side of the upper adhesive layer 232, and the upper surface of the surface material layer 24 is subjected to corona treatment.
Then through the application of the transparent film material of the surface material layer 24, wherein the upper surface of the surface material layer 24 is subjected to corona treatment, a plurality of required patterns, figures or special marks can be printed effectively, and the required marks can be made on the surface material layer by an oily pen in the actual use process, so that the practicability of the knife-cut self-adhesive paper is further improved, various requirements are met conveniently, and the customer satisfaction is improved;
Further, the knife cuts 3 penetrate through the primer layer 21, the bump paper 221, the pit paper 222, the fiber layer 231, the upper adhesive layer 232, the lower adhesive layer 233 and the surface material layer 24, and the knife cuts 3 can cut the laminated structure adhered to the upper side of the bottom paperboard 1, so that the complete self-adhesive paper 2 can be smoothly and rapidly separated from the upper side of the bottom paperboard 1, and the tearing performance is enhanced.
Further, the shape of the knife cut 3 is rectangular or square or round or oval or star or triangle.
Finally, the shape of the knife cutting lines 3 can be designed into various customized shapes such as rectangle, square, round, oval, star, triangle and the like, so that the knife cutting lines can adapt to the specific application requirements of different scenes, the diversified selection also greatly improves the satisfaction of clients, increases the image of enterprises, meets the requirements in actual production and life, and is free for people to select.
Specific use and action of the embodiment:
When the adhesive sticker with knife cutting lines is used, firstly, the adhesive sticker with knife cutting lines is taken out, the shape required by the adhesive sticker is selected, and the edge preset along the knife cutting lines 3 is provided with the knife cutting lines 3 in a penetrating manner in the layered structure of the whole adhesive sticker 2, so that the adhesive sticker 2 can be quickly taken off from the upper side surface of the bottom paperboard 1 without burrs and burrs, and can be cleanly and cleanly adhered to a desired object, wherein the stability of the adhesive sticker with knife cutting lines is effectively ensured, and the increased thickness of the adhesive sticker with knife cutting lines effectively ensures the strength and flexibility of the adhesive sticker with knife cutting lines;
The bottom adhesive layer 21 adhered to the upper side of the bottom paperboard 1 and the laminated structure design of the convex point paper 221 and the concave point paper 222 matched with the paper base layer 22 are adopted, wherein the convex points which are uniformly distributed are fixedly connected to the lower side of the convex point paper 221, so that the convex point paper can be well fused with the hot melt adhesive in the bottom adhesive layer 21 to the greatest extent, the contact area with the hot melt adhesive in the bottom adhesive layer 21 is increased, the adhesiveness of the knife-cut non-setting adhesive paper is greatly enhanced, and the adhesive firmness of the knife-cut non-setting adhesive paper can be firmly improved, so that the practicability of the knife-cut non-setting adhesive paper is improved;
Then, through the pit paper 222 fixedly connected with the upper side of the bump paper 221, pits which are uniformly distributed are arranged on the upper side surface of the pit paper 222, the effective contact area of the pit paper 222 and the lower adhesive layer 233 fixedly connected with the upper side of the pit paper is increased by the design of the structure, the adhesiveness of the pit paper 222 and the lower adhesive layer 233 is increased, wherein the fiber layer 231 fixedly connected between the lower adhesive layer 233 and the upper adhesive layer 232 is formed by the fiber layer 231, and the structural stability of the upper adhesive layer 232 and the lower adhesive layer 233 connected by the fiber layer 231 is effectively increased, so that the laminated structure of the whole adhesive layer 23 has super strong toughness, the tearing resistance of the knife-cut adhesive paper is further enhanced, and the specific application field in practice is improved;
Then through the application of the transparent film material of the surface material layer 24, wherein the upper surface of the surface material layer 24 is subjected to corona treatment, a plurality of required patterns, figures or special marks can be printed effectively, and the required marks can be made on the surface material layer by an oily pen in the actual use process, so that the practicability of the knife-cut self-adhesive paper is further improved, various requirements are met conveniently, and the customer satisfaction is improved;
finally, the shape of the knife cutting lines 3 can be designed into various customized shapes such as rectangle, square, round, oval, star, triangle and the like, so that the knife cutting lines can adapt to the specific application requirements of different scenes, the diversified selection also greatly improves the satisfaction of clients, increases the image of enterprises, meets the requirements in actual production and life, and is free for people to select.
Claims (2)
1. The utility model provides a self-adhesive paper with sword cutting line, includes bottom cardboard (1), the material of bottom cardboard (1) is the cardboard, its characterized in that: the upper side of the bottom paperboard (1) is provided with self-adhesive paper (2), and the upper side of the self-adhesive paper (2) is provided with knife cutting lines (3);
The self-adhesive paper (2) comprises a primer layer (21), a paper base layer (22), an adhesive layer (23) and a surface material layer (24), wherein the primer layer (21) is adhered to the upper side of the bottom paperboard (1), the primer layer (21) is formed by hot melt adhesive, the paper base layer (22) is arranged on the upper side of the primer layer (21), the adhesive layer (23) is arranged on the upper side of the paper base layer (22), and the surface material layer (24) is arranged on the upper side of the adhesive layer (23);
The paper base layer (22) comprises bump paper (221) and pit paper (222), the bump paper (221) is adhered to the upper side of the base adhesive layer (21), uniformly distributed bumps are fixedly connected to the lower side surface of the bump paper (221), larger contact area can be formed between the uniformly distributed bumps and the base adhesive layer (21), the connection strength of the uniformly distributed bumps is increased, the pit paper (222) is fixedly connected to the upper side of the bump paper (221), pits are uniformly distributed on the upper side surface of the pit paper (222), and the effective contact area of the upper side surface of the pit paper (222) is increased;
The bonding layer (23) comprises a fiber layer (231), an upper adhesive layer (232) and a lower adhesive layer (233), wherein the lower adhesive layer (233) is fixedly connected to the upper side of the pit paper (222), the fiber layer (231) is fixedly connected to the upper side of the lower adhesive layer (233), and the upper adhesive layer (232) is fixedly connected to the upper side of the fiber layer (231);
The material of the fiber layer (231) is composed of cellulose fibers and forms a net structure, and the net structure can ensure that the upper adhesive layer (232) and the lower adhesive layer (233) are better fused to increase the adhesive strength;
The surface material layer (24) is made of transparent film material, the lower side of the surface material layer (24) is fixedly connected with the upper side of the upper adhesive layer (232), and the upper surface of the surface material layer (24) is subjected to corona treatment;
The knife cutting lines (3) penetrate through the primer layer (21), the convex point paper (221), the concave point paper (222), the fiber layer (231), the upper adhesive layer (232), the lower adhesive layer (233) and the surface material layer (24), the knife cutting lines (3) can cut the laminated structure adhered to the upper side of the bottom paperboard (1), and the complete self-adhesive paper (2) can be smoothly and rapidly separated from the upper side of the bottom paperboard (1), so that the tearing performance is enhanced.
2. A self-adhesive paper with knife cut lines as claimed in claim 1, wherein: the knife cutting lines (3) are rectangular, square, round, elliptical, star-shaped or triangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322651949.5U CN220976867U (en) | 2023-09-28 | 2023-09-28 | Self-adhesive paper with knife cutting lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322651949.5U CN220976867U (en) | 2023-09-28 | 2023-09-28 | Self-adhesive paper with knife cutting lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220976867U true CN220976867U (en) | 2024-05-17 |
Family
ID=91039038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322651949.5U Active CN220976867U (en) | 2023-09-28 | 2023-09-28 | Self-adhesive paper with knife cutting lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220976867U (en) |
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2023
- 2023-09-28 CN CN202322651949.5U patent/CN220976867U/en active Active
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