Shopping paper bag containing waterproof oil film layer
By attaching a waterproofing oil film layer and setting holes on the inner and outer walls of the shopping paper bags, the cracking problem of existing shopping paper bags in the case of rainwater, moisture, and liquid dripping is solved, and higher waterproofness and integrity are achieved.
Patent Information
- Application Number
- CN202420852805.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-23
AI Technical Summary
Existing kraft paper shopping paper bags are prone to rupture when it rains outdoors or when the packaged items are dripping with moisture or liquid, and cannot effectively prevent moisture from seeping in.
A shopping paper bag containing a waterproof oil film layer was designed. The inner and outer walls of the bag body were attached with a water-sealing oil film layer, and holes were provided on the bag body for oil in and out to enhance the waterproofness and integrity of the bag body.
Through the design of the oil film layer, shopping paper bags can effectively reduce moisture infiltration and maintain the integrity and structural strength of the bag body when they encounter external rainwater or internal moisture and liquid dripping.
Smart Images
Figure CN222675617U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of shopping paper bags, in particular to a shopping paper bag containing a waterproof oil film layer. Background Art
[0002] Hand-held shopping paper bags are a common type of container in major business districts, and are particularly widely used in the clothing consumption industry. Shopping paper bags are generally not products that are used for a long time. Their main function is to wrap products, and their main function time is the time from the business district to the consumer's residence. The material of shopping paper bags is often single-layer kraft paper, which is sufficient for use in most cases.
[0003] However, existing kraft paper shopping bags are difficult to meet the requirements in some specific scenarios. For example, when it rains outdoors and the shopping bags get wet, or when the packaged items are moist or liquid is dripping, these can easily and quickly reduce the local structural strength of the shopping bags and cause them to break. Utility Model Content
[0004] The problem to be solved by the utility model is to provide a shopping paper bag with a waterproof oil film layer, so that the bag body has a water-proof oil film layer, which is equivalent to the bag body being a composite layer structure, and the oil film layer has a certain water-proof ability. It reduces the damage of external rainwater to the paper bag, and can also isolate the possible moisture and water droplets of the items in the bag. The waterproof oil film layer improves the waterproofness and integrity of the shopping paper bag.
[0005] In order to solve the above problems, the utility model provides a shopping paper bag containing a waterproof oil film layer. In order to achieve the above purpose, the technical solution adopted by the utility model to solve its technical problems is:
[0006] A shopping paper bag with a waterproof oil film layer comprises: a bag body, which is a hexahedron with an opening at the top when in an expanded state, and the side elevation of the bag body is composed of a pair of parallel main rectangular sheets and a pair of parallel side rectangular sheets; a handle, which is bonded and fixed to the main rectangular sheets through lining paper; an oil film layer, the waterproof oil film layer is attached to the inner wall and the outer wall of the bag body, and the bag body has holes for waterproof oil to enter and exit.
[0007] The beneficial effects of adopting the above technical solution are: the main feature is that there is a water-proof oil film layer on the bag body, which is equivalent to the bag body being a composite layer structure, so that the oil film layer can have a certain water-proof ability.
[0008] First, the oil film layer on the outer wall of the bag can reduce the damage of external rainwater to the paper bag; second, the oil film layer on the inner wall of the bag can isolate the moisture and water droplets of the items in the paper bag to a certain extent. This is equivalent to being able to cope with two special situations, allowing the shopping paper bag to maintain a certain degree of integrity and structural strength in these two special scenarios.
[0009] In addition, the waterproof and water-proof ability of this paper bag is not achieved by laying a layer of plastic film on the conventional paper bag principle, but by using the form of oil film. At the same time, the holes are convenient for the oil to flow inside and outside during processing, ensuring that the inner and outer walls of the paper bag are soaked with a waterproof oil film layer. It is also convenient for post-processing on-site and for using the original raw materials.
[0010] As a further improvement of the utility model, the oil film layer is formed by immersing the bag body in the oil and then drying it after being fished out; the side rectangular sheet has an inverted Y-shaped fold, and the hole is located on the inverted Y-shaped fold.
[0011] The beneficial effects of adopting the above technical solution are: the Y-shaped fold exists to facilitate the folding of the bag body, the opening position of the hole is clever, inconspicuous, and not easy to be torn from the hole.
[0012] As a further improvement of the present invention, the inverted Y-shaped fold is composed of three intersecting straight line folds, adjacent straight line folds form an obtuse angle, and the eyelet is located at the intersection of the three straight line folds.
[0013] The beneficial effect of adopting the above technical solution is that the position of the hole is convenient for punching positioning.
[0014] As a further improvement of the present invention, the inner diameter of the hole is not greater than 2 mm.
[0015] The beneficial effect of adopting the above technical solution is that the hole should not be too large.
[0016] As a further improvement of the utility model, the oil film layer comprises an outer oil film layer located on the outer wall of the bag body and an inner oil film layer located on the inner wall of the bag body, and the tops of the outer oil film layer and the inner oil film layer are flush with the top of the bag body itself.
[0017] The beneficial effect of adopting the above technical solution is that the entire outer wall of the bag body is protected by the oil film layer in all directions.
[0018] As a further improvement of the utility model, the oil film layer comprises an outer oil film layer located on the outer wall of the bag body and an inner oil film layer located on the inner wall of the bag body, and the top of the outer oil film layer is higher than the top of the inner oil film layer.
[0019] The beneficial effect of adopting the above technical solution is that it is equivalent to selectively covering the oil film layer, which is also beneficial in that it can save oil and use the water-proof capacity at the most useful local position. Because the outer wall of the bag body may be exposed to rain, the outer wall must be fully covered. Because the internal dripping is generally located at the bottom, the inner wall only needs to be water-proofed in the lower half to meet the actual use.
[0020] As a further improvement of the utility model, the lining paper is bonded to the inner wall of the main rectangular sheet, and there is no inner oil film layer at the bonding portion of the lining paper to the inner wall of the bag body.
[0021] The beneficial effect of adopting the above technical solution is that the oil film layer may reduce the firmness of the bonding.
[0022] As a further improvement of the utility model, the opening edge of the bag body is serrated.
[0023] As a further improvement of the utility model, the handle, the bag body and the lining paper are all made of kraft paper, and the handle is made of spirally twisted kraft paper.
[0024] The beneficial effect of adopting the above technical solution is that standardizing raw material specifications can reduce overall costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0026] Figure 1 It is a three-dimensional diagram of an embodiment of the utility model;
[0027] Figure 2 It is a stereogram of an implementation manner of the utility model.
[0028] 1-bag body; 101-main rectangular sheet; 102-side rectangular sheet; 103-inverted Y-shaped fold; 104-eyelet; 105-accommodating cavity; 2-handle; 3-lining paper; 4-outer oil film layer. DETAILED DESCRIPTION
[0029] The following is a further detailed description of the present invention in conjunction with specific embodiments:
[0030] In order to achieve the purpose of the utility model, a shopping paper bag containing a waterproof oil film layer comprises: a bag body 1, which is a hexahedron with an opening at the top in an expanded state, and the side elevation of the bag body 1 is composed of a pair of parallel main rectangular sheets 101 and a pair of parallel side rectangular sheets 102; a handle 2, which is bonded and fixed to the main rectangular sheet 101 through a lining paper 3; an oil film layer, the waterproof oil film layer is attached to the inner wall and the outer wall of the bag body 1, and the bag body 1 has holes 104 for waterproof oil to enter and exit.
[0031] The beneficial effects of adopting the above technical solution are: the main feature is that there is a waterproof oil film layer on the bag body, which is equivalent to the bag body being a composite layer structure, so that the oil film layer can have a certain waterproof ability. First, the oil film layer located on the outer wall of the bag body can reduce the damage to the paper bag caused by external rainwater; second, the oil film layer located on the inner wall of the bag body can isolate the possible moisture and water droplets of the items in the paper bag to a certain extent. This is equivalent to being able to cope with two special situations, allowing the shopping paper bag to maintain a certain integrity and structural strength in these two special scenarios. In addition, the waterproof and water-proof ability of this paper bag is not the conventional laying of a layer of plastic film on the principle of a paper bag, but in the form of an oil film. At the same time, the holes facilitate the flow of oil inside and outside during processing, ensuring that the inner and outer walls of the paper bag are soaked with a waterproof oil film layer. It is also convenient for post-processing on-site, and it is also convenient to use the original raw materials to achieve it.
[0032] In some other embodiments of the present invention, the oil film layer is formed by immersing the bag body 1 in oil and then drying it after being fished out; the side rectangular sheet 102 has an inverted Y-shaped fold 103, and the hole 104 is located on the inverted Y-shaped fold 103.
[0033] The beneficial effects of adopting the above technical solution are: the Y-shaped fold exists to facilitate the folding of the bag body, the opening position of the hole is clever, inconspicuous, and not easy to be torn from the hole.
[0034] like Figure 1 As shown, in other embodiments of the present invention, the inverted Y-shaped fold 103 is composed of three intersecting straight line folds, and adjacent straight line folds form an obtuse angle, and the eyelet 104 is located at the intersection of the three straight line folds.
[0035] The beneficial effect of adopting the above technical solution is that the position of the hole is convenient for punching positioning.
[0036] In other embodiments of the present invention, the inner diameter of the hole 104 is no greater than 2 mm.
[0037] The beneficial effect of adopting the above technical solution is that the hole should not be too large.
[0038] In other embodiments of the present invention, the oil film layer includes an outer oil film layer 4 located on the outer wall of the bag body 1 and an inner oil film layer located on the inner wall of the bag body 1 , and the tops of the outer oil film layer 4 and the inner oil film layer are flush with the top of the bag body 1 itself.
[0039] The beneficial effect of adopting the above technical solution is that the entire outer wall of the bag body is protected by the oil film layer in all directions.
[0040] In other embodiments of the present invention, the oil film layer includes an outer oil film layer 4 located on the outer wall of the bag body 1 and an inner oil film layer located on the inner wall of the bag body 1, and the top of the outer oil film layer 4 is higher than the top of the inner oil film layer. Due to the obstruction of the viewing angle, the inner oil film layer is not specifically marked in the drawings, and in fact, the inner oil film layer is attached to the inner wall of the bag body 1.
[0041] The beneficial effect of adopting the above technical solution is that it is equivalent to selectively covering the oil film layer, which is also beneficial in that it can save oil and use the water-proof capacity at the most useful local position. Because the outer wall of the bag body may be exposed to rain, the outer wall must be fully covered. Because the internal dripping is generally located at the bottom, the inner wall only needs to be water-proofed in the lower half to meet the actual use.
[0042] In some other embodiments of the present invention, the lining paper 3 is bonded to the inner wall of the main rectangular sheet 101 , and there is no inner oil film layer at the bonding portion of the lining paper 3 to the inner wall of the bag body 1 .
[0043] The beneficial effect of adopting the above technical solution is that the oil film layer may reduce the firmness of the bonding.
[0044] In some other embodiments of the present invention, the opening edge of the bag body 1 is serrated.
[0045] In some other embodiments of the present invention, the handle 2, the bag body 1, and the lining paper 3 are all made of kraft paper, and the handle 2 is made of spirally twisted kraft paper.
[0046] The beneficial effect of adopting the above technical solution is that standardizing raw material specifications can reduce overall costs.
[0047] In order to express the principle clearly, Figure 1 The outer oil film layer 4 is expressed using a drawn coating fill. Figure 2 The outline of the bag body 1 whose sight is blocked is expressed by the dotted line. The bag body 1 has a containing cavity 105 for wrapping objects.
[0048] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it. They cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.
Claims
1. A shopping paper bag containing a waterproof oil film layer, characterized in that: include: The bag body is a hexahedron with an opening at the top when in an expanded state, and the side elevation of the bag body is composed of a pair of parallel main rectangular pieces and a pair of parallel side rectangular pieces; A handle is bonded and fixed to the main rectangular sheet through a backing paper; The oil film layer is attached to the inner wall and the outer wall of the bag body, and the bag body is provided with holes for the water-proof oil to enter and exit.
2. The shopping paper bag with a waterproof oil film layer according to claim 1, characterized in that: The oil film layer is formed by immersing the bag body in oil and then taking it out and drying it; the side rectangular sheet has an inverted Y-shaped fold, and the hole is located on the inverted Y-shaped fold.
3. The shopping paper bag with a waterproof oil film layer according to claim 2, characterized in that: The inverted Y-shaped fold is composed of three intersecting straight line folds, and an obtuse angle is formed between adjacent straight line folds. The eyelet is located at the intersection of the three straight line folds.
4. The shopping paper bag with a waterproof oil film layer according to claim 1, characterized in that: The inner diameter of the hole is not greater than 2 mm.
5. The shopping paper bag with a waterproof oil film layer according to claim 1, characterized in that: The oil film layer comprises an outer oil film layer located on the outer wall of the bag body and an inner oil film layer located on the inner wall of the bag body, and the tops of the outer oil film layer and the inner oil film layer are flush with the top of the bag body itself.
6. The shopping paper bag with a waterproof oil film layer according to claim 1, characterized in that: The oil film layer comprises an outer oil film layer located on the outer wall of the bag body and an inner oil film layer located on the inner wall of the bag body, and the top of the outer oil film layer is higher than the top of the inner oil film layer.
7. The shopping paper bag with a waterproof oil film layer according to claim 6, characterized in that: The lining paper is bonded to the inner wall of the main rectangular sheet, and there is no inner oil film layer at the bonding position of the lining paper to the inner wall of the bag body.
8. The shopping paper bag with a waterproof oil film layer according to claim 1, characterized in that: The opening edge of the bag body is in a sawtooth shape.
9. The shopping paper bag with a waterproof oil film layer according to claim 1, characterized in that: The handle, bag body and lining paper are all made of kraft paper, and the handle is made of spirally twisted kraft paper.