Card paper box with window

By designing a transparent film to cover the viewing opening on the cardboard box, the problem of fully enclosed cardboard boxes being unable to display products is solved, enabling intuitive product display and enhancing sales appeal, while also ensuring the stability and environmental friendliness of the packaging.

CN224146476UActive Publication Date: 2026-04-21SHANDONG PACIFIC PRINTING & PACKAGING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG PACIFIC PRINTING & PACKAGING CO LTD
Filing Date
2025-04-29
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

The existing cardboard boxes are fully enclosed, making it impossible to visually display the products inside from the outside, which affects sales performance.

Method used

The design incorporates a viewing port with a transparent film, which covers the viewing port to make the product visible from the outside. Combined with a limiting plate, card slot, and Velcro strap, a stable connection is achieved.

Benefits of technology

It enables a direct display of products, enhances sales appeal and presentation, while ensuring the stability and environmental friendliness of the packaging.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224146476U_ABST
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Abstract

The utility model belongs to the technical field of paper boxes, and particularly relates to a paper clamping box with a window, which comprises a paper box main body, an upper cover plate is fixedly connected above the paper box main body, a reserved opening is arranged in the middle of the upper cover plate, side clamping plates are fixedly connected on two sides of the paper box main body, a top cover plate is fixedly connected at one end above the paper box main body, and a window is arranged on the top cover plate. A connecting plate is fixed at one end of the top cover plate; a top cover plate is fixedly connected to one end of the upper portion of the paper box body, a connecting plate is fixed to one end of the top cover plate, visible openings are formed in the middle of the connecting plate and the middle of the top cover plate, and a transparent film adheres to one end of the top cover plate. According to the packaging box, the transparent film is bonded to the visible opening, internal commodities can be visually displayed outside the box, consumers can clearly see the internal commodities from the outside, the display effect and sales attraction are improved, and the situation that the whole packaging box is in a fully-closed state, and the consumers cannot see the commodities more visually is prevented.
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Description

Technical Field

[0001] This utility model belongs to the field of paper box technology, specifically relating to a cardboard box with a window. Background Technology

[0002] Cardboard boxes are a common type of packaging box, widely used for various commodities, typically for packaging products such as cosmetics, pharmaceuticals, health products, and snacks;

[0003] Chinese Patent CN213009185U discloses a cardboard box, including a box body composed of a base plate and several side plates. The base plate and side plates are integrally formed and lie on the same plane when unfolded. Fold lines for folding are provided between the base plate and side plates. The base plate and side plates form a cavity with an opening at one end. A fixing structure is provided between adjacent side plates for fixing adjacent side plates. This application has the advantages of convenient installation and disassembly and high reusability.

[0004] While the aforementioned cardboard boxes offer advantages such as easy installation and disassembly and high reusability, their fully enclosed design makes it difficult to display the product inside from the outside. Consumers cannot see the product directly, which negatively impacts sales. Therefore, we propose cardboard boxes with windows. Utility Model Content

[0005] To address the problem mentioned in the background art that the packaging box is completely enclosed, making it inconvenient to display the goods inside from the outside and preventing consumers from seeing the goods more intuitively, thus affecting the sales effect, this utility model provides a cardboard box with a window.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cardboard box with a window, comprising a cardboard box body, an upper cover plate fixedly connected to the top of the cardboard box body, a reserved opening in the middle of the upper cover plate, side card plates fixedly connected to both sides of the cardboard box body, a top cover plate fixedly connected to one end of the upper part of the cardboard box body, and a connecting plate fixed to one end of the top cover plate;

[0007] A top cover plate is fixedly connected to one end of the main body of the paper box. A connecting plate is fixed to one end of the top cover plate. A viewing opening is provided in the middle of both the connecting plate and the top cover plate. A transparent film is glued to one end of the top cover plate.

[0008] As a preferred embodiment of the cardboard box with windows of this utility model, the side cardboard plates are engaged with the top cover plate through the cardboard box body, and the side cardboard plates are symmetrically distributed about the vertical center line of the cardboard box body.

[0009] As a preferred embodiment of the cardboard box with a window of this utility model, the dimensions of the upper cover plate, the top cover plate, and the connecting plate are matched.

[0010] As a preferred embodiment of the cardboard box with a window of this utility model, a limiting plate is fixed in the middle of the connection between the top cover plate and the connecting plate, and a slot is provided at the connection between the cardboard box body and the top cover plate.

[0011] In a preferred embodiment of the cardboard box with a window of this utility model, the position of the viewing opening corresponds to the position of the reserved opening, and the position of the transparent film corresponds to the position of the viewing opening.

[0012] As a preferred embodiment of the cardboard box with windows of this utility model, support strips are fixed at the four corners of the cardboard box body, and an inner liner is detachably installed inside the cardboard box body.

[0013] As a preferred embodiment of the cardboard box with a window of this utility model, a handle is fixedly connected to one end of the upper surface of the top cover plate, and tear lines are provided on both sides of the connection between the handle and the top cover plate. A Velcro strap is fixed to the middle of one end of the top cover plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are: by bonding a transparent film to the visible opening, the internal goods can be displayed intuitively from the outside of the box, allowing consumers to clearly see the internal goods from the outside, improving the display effect and sales appeal, and preventing the problem that the packaging box is completely closed, which makes it inconvenient to display the internal goods from the outside of the box, and consumers cannot see the goods more intuitively, thus affecting the sales effect of the goods. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the unfolded structure of the cardboard box of this utility model;

[0018] Figure 3 This is a schematic diagram of the external structure of the main body of the paper box of this utility model;

[0019] Figure 4 This is a structural schematic diagram of the main body of the paper box and the inner liner in this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the inner liner of this utility model;

[0021] Figure 6 This is a schematic diagram of the external structure of this utility model.

[0022] In the diagram: 1. Main body of the cardboard box; 2. Top cover; 3. Pre-reserved opening; 4. Side panel; 5. Top cover; 6. Connecting plate; 7. Limiting plate; 8. Slot; 9. Viewing opening; 10. Transparent film; 11. Handle; 12. Tear line; 13. Support strip; 14. Inner liner; 15. Velcro strap. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1

[0025] like Figures 1-6 As shown;

[0026] A cardboard box with a window includes a box body 1, a top cover plate 2 fixedly connected to the top of the box body 1, a reserved opening 3 in the middle of the top cover plate 2, side card plates 4 fixedly connected to both sides of the box body 1, a top cover plate 5 fixedly connected to one end of the top cover plate 1, and a connecting plate 6 fixed to one end of the top cover plate 5; a viewing opening 9 is provided in the middle of both the connecting plate 6 and the top cover plate 5, and a transparent film 10 is glued to one end of the top cover plate 5.

[0027] In this implementation plan: the transparent film 10 is attached to the viewing port 9, so that the internal products can be displayed intuitively from the outside of the box, allowing consumers to clearly see the internal products from the outside, thereby improving the display effect and sales appeal.

[0028] Furthermore:

[0029] In an optional embodiment, the side plate 4 is engaged with the top cover plate 2 via the cardboard box body 1, and the side plate 4 is symmetrically distributed about the vertical center line of the cardboard box body 1.

[0030] In this implementation scheme, the side plate 4 and the top cover plate 2 can be interlocked, which simplifies the assembly process and eliminates the need for additional fixing tools.

[0031] Furthermore:

[0032] In an optional embodiment, the upper cover 2 is sized to match the top cover 5 and the connecting plate 6.

[0033] In this implementation plan, the size matching of the upper cover plate 2, top cover plate 5, and connecting plate 6 ensures a tight fit after folding, which can reduce assembly errors, ensure precise alignment of each component, and improve the overall aesthetics of the cardboard box.

[0034] Furthermore:

[0035] In an optional embodiment, a limiting plate 7 is fixed at the middle of the connection between the top cover plate 5 and the connecting plate 6, and a slot 8 is provided at the connection between the paper box body 1 and the top cover plate 2.

[0036] In this implementation plan, the insertion design of the limiting plate 7 and the slot 8 enables the box to be quickly positioned and fixed, enhances the connection strength, prevents the cover from being opened accidentally, and the mechanical locking replaces the traditional glue fixation, reducing assembly costs and being more environmentally friendly.

[0037] Furthermore:

[0038] In an optional embodiment, the viewing port 9 corresponds to the reserved opening 3, and the transparent film 10 corresponds to the viewing port 9.

[0039] In this implementation plan: the transparent film 10 covers the viewing port 9, allowing consumers to directly view the product appearance without opening the box, thus enhancing the display effect.

[0040] Furthermore:

[0041] In an optional embodiment, support strips 13 are fixed at all four corners of the cardboard box body 1, and an inner liner 14 is detachably installed inside the cardboard box body 1.

[0042] In this implementation plan: the support strip 13 enhances the pressure resistance of the four corners of the cardboard box, protecting the goods from impact damage during transportation; the removable inner liner 14 adapts to different product sizes, improving packaging flexibility.

[0043] Furthermore:

[0044] In an optional embodiment, a handle 11 is fixedly connected to one end of the upper surface of the top cover plate 5, and tear lines 12 are provided on both sides of the connection between the handle 11 and the top cover plate 5. A Velcro strap 15 is fixed to the middle of one end of the top cover plate 5.

[0045] In this implementation scheme: the handle 11 can be pulled out along the tear line 12, making it more convenient to carry the cardboard box; the Velcro strap 15 provides secondary reinforcement to ensure reliable closure and supports non-destructive opening.

[0046] Working principle: Before folding, the packaging box is a single piece of cardboard. It needs to be folded before use. The main body 1 of the box is folded up, then the side panels 4 on both sides are folded up, and the extension is inserted into the connection between the main body 1 and the top cover 2. A suitable inner liner 14 is placed inside the main body 1. The inner liner 14 can be designed to fit the shape of the product. The product is then placed inside the inner liner 14. The support strips 13 inside the main body 1 and the inner liner 14 protect and support the product, preventing damage during transportation. Finally, the top cover 2 is placed on top of the main body. Above 1, fold the connecting plate 6 towards the top cover plate 5, placing the top cover plate 5 on top of the box. Then, insert the limiting plate 7 into the slot 8 to connect the box and the cover. Next, attach the Velcro tape 15 to reinforce the connection and prevent the box from loosening. Finally, attach the transparent film 10 to the viewing opening 9. During the sale of goods, the transparent film 10 allows for a direct view of the internal goods from the outside, enabling consumers to clearly see the internal goods from the outside. After the goods are sold, consumers can pull out the handle 11 along the tear line 12, making it more convenient to carry the box.

[0047] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A carton with windows, comprising a carton body (1), characterised in that: A top cover plate (2) is fixedly connected to the top of the paper box body (1). A reserved opening (3) is provided in the middle of the top cover plate (2). Side card plates (4) are fixedly connected to both sides of the paper box body (1). A top cover plate (5) is fixedly connected to one end of the top of the paper box body (1). A connecting plate (6) is fixed to one end of the top cover plate (5). A top cover plate (5) is fixedly connected to one end of the main body (1) of the paper box. A connecting plate (6) is fixed to one end of the top cover plate (5). A viewing opening (9) is provided in the middle of both the connecting plate (6) and the top cover plate (5). A transparent film (10) is glued to one end of the top cover plate (5).

2. The windowed carton of claim 1, wherein: The side plate (4) is engaged with the top cover plate (2) through the paper box body (1), and the side plate (4) is symmetrically distributed about the vertical center line of the paper box body (1).

3. The windowed carton of claim 1, wherein: The upper cover plate (2) is sized to match the top cover plate (5) and the connecting plate (6).

4. The windowed carton of claim 1, wherein: A limiting plate (7) is fixed at the middle of the connection between the top cover plate (5) and the connecting plate (6), and a slot (8) is provided at the connection between the paper box body (1) and the top cover plate (2).

5. The windowed carton of claim 1, wherein: The position of the viewing port (9) corresponds to the position of the reserved port (3), and the position of the transparent film (10) corresponds to the position of the viewing port (9).

6. The windowed carton of claim 1, wherein: The four corners of the main body (1) of the paper box are fixed with support strips (13), and the inner liner (14) is detachably installed inside the main body (1).

7. The windowed carton of claim 1, wherein: A handle (11) is fixedly connected to one end of the upper surface of the top cover plate (5). Tear lines (12) are provided on both sides of the connection between the handle (11) and the top cover plate (5). A Velcro tape (15) is fixed to the middle of one end of the top cover plate (5).

Citation Information

Patent Citations

  • Paper box

    CN213009185U