Aluminum foil preservation box

By designing structural improvements to the aluminum foil food storage box, including the bonding and fixing of the aluminum foil box and the lid, the cushioning bladder, and the reinforcing ribs, the problem of the aluminum foil box being fragile during transportation was solved, achieving the effect of sealed storage and protection of the product.

CN223721619UActive Publication Date: 2025-12-26FOSHAN WEIYE ALUMINUM FOIL PROD CO LTD
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Patent Information

Application Number
CN202520323667.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-12-26
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Aluminum foil packaging boxes are easily broken by collisions during transportation, affecting the product's appearance and reducing the consumer experience. In addition, the aluminum foil lid is easily deformed and cannot effectively protect the internal products.

Method used

An aluminum foil food storage box was designed, which adopts an aluminum foil box and aluminum foil lid structure. The sides and bottom of the box form a hollow packaging cavity. It is equipped with adhesive edges and a cushioning bladder. The aluminum foil lid is fixed by an adhesive layer. The internal cushioning bladder provides cushioning protection. The side and bottom reinforcing ribs of the box improve strength, the rolled edges increase stability, and the decomposition strip and sodium bicarbonate powder enhance the air bladder expansion effect.

Benefits of technology

It achieves sealed storage and product protection during transportation of aluminum foil boxes, preventing breakage and improving the product's appearance quality and user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an aluminum foil preservation box, which belongs to the technical field of packaging boxes and comprises an aluminum foil box and an aluminum foil cover, the aluminum foil box consists of a box bottom and a box side edge, the box side edge is closed and surrounded along the edge of the box bottom, and a hollow packaging cavity is formed between the box side edge and the box bottom. The box side edge extends upwards from the top of the box bottom, a box opening is formed in the top of the box side edge, a bonding edge extending outwards is arranged on the edge of the box opening, and the bonding edge surrounds the edge of the box opening in a closed mode. The aluminum foil cover covers the box opening and is fixedly connected with the bonding edge, the aluminum foil cover is sequentially composed of an aluminum foil layer and a bonding layer from top to bottom, and a plurality of buffering bags which protrude downwards and are located in the packaging cavity are arranged at the bottom of the aluminum foil cover. The aluminum foil preservation box is mainly used for packaging food needing to be stored in a sealed mode, and the aluminum foil preservation box has a good protection effect on products packaged in the aluminum foil preservation box.
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Description

TECHNICAL FIELD

[0001] The utility model relates to packing box technical field, concretely relates to an aluminum foil preservation box. BACKGROUND

[0002] With the change of convenient life, people's requirements for the tableware container for containing food are also higher and higher, and the raw materials of part of the packaging box and other packaging structures are replaced by aluminum foil materials, the aluminum foil material has the advantages of light weight, excellent barrier property, easy processing and easy recycling, and the aluminum foil packaging box and other aluminum foil material packaging are widely used in the outer packaging of products with higher packaging requirements or higher-end products, since the aluminum foil material has high hardness and is prone to inelastic deformation, when the aluminum foil packaging box is used for packaging fragile products and during transportation, the products are prone to collision with the inner wall of the aluminum foil box and breakage, and the top cover of the aluminum foil packaging box is usually made of soft and low-thickness aluminum foil sheet, so the top cover is prone to become the weak point of the aluminum foil packaging box and cause the products to be more prone to breakage during transportation, although the aluminum foil packaging box is usually used for packaging food, even if the food breaks, it does not affect normal eating, but when the product breaks, the appearance is seriously affected, thereby affecting the experience of consumers. SUMMARY

[0003] In view of the technical defects in the background art, the utility model provides an aluminum foil preservation box, which solves the above technical problems and meets the actual needs, and the specific technical scheme is as follows:

[0004] An aluminum foil preservation box, comprising an aluminum foil box and an aluminum foil cover, the aluminum foil box is composed of a box bottom and a box side edge, the box side edge is closed around the edge of the box bottom, a hollow packaging cavity is formed between the box side edge and the box bottom, the box side edge extends upward from the top of the box bottom and forms a box opening at the top of the box side edge, an adhesive edge extending outward is arranged at the edge of the box opening, and the adhesive edge is closed around the edge of the box opening.

[0005] The aluminum foil cover is fixedly connected to the adhesive edge at the box opening, the aluminum foil cover is composed of an aluminum foil layer and an adhesive layer from top to bottom, and a plurality of buffer bags protruding downward and located in the packaging cavity are arranged at the bottom of the aluminum foil cover.

[0006] As a further technical scheme of the utility model, the outer edge of the adhesive edge is formed into a curled edge by curling, and the curled edge is closed around the edge of the adhesive edge.

[0007] As a further technical scheme of the utility model, the outer edge of the adhesive edge is formed into a curled edge by curling upward, and the top surface of the curled edge is located below the edge of the adhesive edge.

[0008] As a further technical scheme of the utility model, the box side edge is provided with a plurality of side reinforcing ribs, the side reinforcing ribs extend from the box bottom to the box opening, and the side reinforcing ribs protrude into the packaging cavity from the inner side of the box side edge.

[0009] As a further technical scheme of the utility model, the box bottom is provided with a protruding part protruding upwards into the packaging cavity, and the edge of the protruding part is close to the edge of the bottom of the box side edge.

[0010] As a further technical scheme of the utility model, the bottom of the outer side of the box side edge and the bottom of the outer side of the box bottom meet at an edge, and the edge protrudes downwards and forms a bottom reinforcing rib, and the bottom reinforcing rib is closed and surrounds along the edge of the bottom of the box side edge.

[0011] As a further technical scheme of the utility model, one side edge of the aluminum foil cover is provided with an outwardly extending cover opening pull strip, and the surface of the cover opening pull strip is provided with a friction groove.

[0012] The utility model has the beneficial effects that:

[0013] The aluminum foil preservation box is mainly used for packaging food that needs to be sealed and stored, the aluminum foil cover is fixed on the bonding edge of the aluminum foil box through the bonding layer on the surface, so that a sealed space is formed in the packaging cavity, which is beneficial to the preservation and storage of the internal product, the aluminum foil box improves the overall strength and compression resistance through the edge curling on the top, the side reinforcing ribs on the box side edge and the bottom reinforcing ribs on the box bottom, so that the aluminum foil preservation box can withstand greater external impact and better protect the internal product, and the aluminum foil cover plays a buffering role on the product through the buffer bag on the inner surface and avoids the collision of the product with the inner wall of the aluminum foil box during transportation, thereby further improving the protection effect of the aluminum foil preservation box on the product. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an aluminum foil preservation box.

[0015] Figure 2 It is a disassembled schematic diagram of an aluminum foil preservation box Figure 1 .

[0016] Figure 3 It is a disassembled schematic diagram of an aluminum foil preservation box Figure 2 .

[0017] Figure 4 It is a sectional view of an aluminum foil preservation box.

[0018] Figure 5 It is Figure 4 a partial schematic diagram of A.

[0019] Wherein: 1-aluminum foil box, 11-box bottom, 12-box side, 13-bonding edge, 14-crimped edge, 15-side reinforcement, 16-protruding part, 17-bottom reinforcement, 2-aluminum foil cover, 21-aluminum foil layer, 22-bonding layer, 23-cushion bag, 24-uncover pull strip, 25-friction groove, 26-decomposition belt. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described below in conjunction with the accompanying drawings and related embodiments. The embodiments of the present application are not limited to the following examples, and the present application relates to the necessary components in the related technical field, which should be regarded as the known technology in the technical field and can be known and mastered by the skilled in the art.

[0021] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , an aluminum foil preservation box comprises an aluminum foil box 1 and an aluminum foil cover 2. The aluminum foil box 1 is composed of a box bottom 11 and a box side 12. The box side 12 is closed and surrounds the edge of the box bottom 11. A hollow packaging cavity is formed between the box side 12 and the box bottom 11. The box side 12 extends upward from the top of the box bottom 11 and forms a box opening at the top of the box side 12. The edge of the box opening is provided with an outwardly extending bonding edge 13, which is closed and surrounds the edge of the box opening. The aluminum foil cover 2 covers the box opening and is fixedly connected with the bonding edge 13. The aluminum foil cover 2 is composed of an aluminum foil layer 21 and a bonding layer 22 from top to bottom. The bottom of the aluminum foil cover 2 is provided with a plurality of cushion bags 23 which protrude downward and are located in the packaging cavity.

[0022] The utility model mainly is used for packing need sealed storage's food, aluminium foil box 1 adopts aluminium foil sheet as raw material and is based on cold stamping forming process processing, makes the bottom 11 and the box side 12 of the aluminium foil box are integrally formed, the one side of aluminium foil box 1 stamping forming is concave and forms the packing cavity for accommodating product, the inner diameter of packing cavity gradually increases from the bottom 11 to the box mouth, and this structure is favorable to place product in packing cavity and improve the pressure capacity of aluminium foil box 1;The box mouth edge of aluminium foil box 1 extends horizontally outward and forms the bonding edge 13 for being fixed with aluminium foil cover 2, in aluminium foil cover 2, aluminium foil layer 21 takes aluminium foil sheet as raw material, and the bonding layer 22 takes polyethylene as raw material, extrudes and evenly covers on the surface of aluminium foil sheet after polyethylene is heated to melt, and after polyethylene cools down, a bonding layer 22 is formed on the surface of aluminium foil layer 21, thereby obtaining aluminium foil cover 2, when the product needing packing is placed in the inside of packing cavity, aluminium foil cover 2 is covered at the box mouth of aluminium foil box 1, the bonding layer 22 of aluminium foil cover 2 is towards bonding edge 13, and the edge of aluminium foil box 1 and aluminium foil cover 2 is hot-pressed through hot-pressing equipment, so that the bonding layer 22 is heated and melted and bonded and fixed with bonding edge 13, thereby making aluminium foil box 1 and aluminium foil cover 2 be bonded and fixed with each other and making packing cavity form a sealed space, and the sealed space can avoid the product in packing cavity from contacting the outside, is favorable to the preservation of product for a long time, and realizes the preservation of product.

[0023] The utility model discloses the surface of aluminium foil cover 2 a plurality of buffer sacs 23 can improve the protection effect of aluminium foil box 1 to product, buffer sac 23 can adopt silica gel, rubber and other materials with elasticity and good sealing property as raw material, and buffer sac 23 is hollow and filled with nitrogen or other gas, when aluminium foil box 1 packs the product that is easy to break, the buffer sac 23 on the surface of aluminium foil cover 2 can form the buffer structure in packing cavity, and buffer sac 23 can be abutted with the product in the inside of packing cavity through the surface, since the gas filled in buffer sac 23 has good elasticity, buffer sac 23 can limit the movement of product in packing cavity, thereby avoiding the product from colliding with the inner wall of aluminium foil box 1 and avoiding the breakage of product in the transportation process, and further improving the protection effect of aluminium foil box 1 to product.

[0024] The utility model discloses in actual use process, for the product of different volume, after being packed to the inside of packing cavity, part product surface cannot be abutted with the surface of buffer sac 23, leading to these products still can move in packing cavity in the transportation process, thereby leading to these products still have the breakage phenomenon, and the following improvement is carried out to aluminium foil cover 2: Figure 4 、 Figure 5The surface of the adhesive layer 22 is provided with a decomposition zone 26, the decomposition zone 26 is located in the inner edge of the adhesive edge 13, the plurality of buffer bags 23 are communicated with each other and jointly form an inflation cavity, and the decomposition zone 26 is located in the inflation cavity; the decomposition zone 26 is composed of sodium bicarbonate powder and is fixed on the surface of the aluminum foil layer 21 through the adhesive layer 22.

[0025] After the above structure is adopted, it needs to be further explained that when the aluminum foil box 1 is filled with products and the aluminum foil box 1 is fixed with the aluminum foil cover 2 through hot pressing, the high temperature in the hot pressing process will be conducted to the decomposition zone 26 through the aluminum foil layer 21 of the aluminum foil cover 2, the sodium bicarbonate in the decomposition zone 26 is decomposed and generates carbon dioxide, and the carbon dioxide increases the air pressure in the inflation cavity and makes the plurality of buffer bags 23 inflate, so that the inflated buffer bags 23 can better abut against the products in the packaging cavity, thereby better limiting the movement of the products in the packaging cavity and avoiding the products from being broken due to collision in the transportation process, and further improving the protection effect of the aluminum foil box 1 on the products.

[0026] As one of the preferred embodiments of the utility model, referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 The outer edge of the adhesive edge 13 is formed into a curled edge 14 through curling, the curled edge 14 is closed and circled along the edge of the adhesive edge 13, the surface of the curled edge 14 is smooth and can reduce the sharpness of the edge of the aluminum foil box 1, thereby avoiding the user from being cut in the process of using the aluminum foil box 1, and the curled edge 14 can increase the strength of the edge of the adhesive edge 13, which is conducive to improving the overall strength of the aluminum foil box 1 and avoiding the deformation of the aluminum foil box 1 in the process of use.

[0027] As one of the preferred embodiments of the utility model, referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 The outer edge of the adhesive edge 13 is formed into a curled edge 14 through curling, the curled edge 14 is closed and circled along the edge of the adhesive edge 13, the surface of the curled edge 14 is smooth and can reduce the sharpness of the edge of the aluminum foil box 1, thereby avoiding the user from being cut in the process of using the aluminum foil box 1, and the curled edge 14 can increase the strength of the edge of the adhesive edge 13, which is conducive to improving the overall strength of the aluminum foil box 1 and avoiding the deformation of the aluminum foil box 1 in the process of use.

[0028] As one of the preferred embodiments of the utility model, referring to Figure 1 , Figure 2 , Figure 3The side edge 12 of the box is provided with a plurality of side reinforcing ribs 15, the side reinforcing ribs 15 extend from the box bottom 11 towards the box opening, the side reinforcing ribs 15 protrude into the packaging cavity from the inner side of the box side edge 12, the side reinforcing ribs 15 are formed by stamping through matched molds in the process of manufacturing the aluminum foil box 1, the side reinforcing ribs 15 make the cross-sectional shape of the box side edge 12 close to a wave shape, which is beneficial to improve the compression resistance of the box side edge 12 in the horizontal direction and the vertical direction, thereby improving the strength of the aluminum foil box 1.

[0029] As one of the preferred embodiments of the present application, refer to Figure 4 The box bottom 11 is provided with a protruding part 16 protruding upwards into the packaging cavity, and the edge of the protruding part 16 is close to the bottom edge of the box side edge 12; the side reinforcing ribs 15 are formed by stamping through matched molds in the process of manufacturing the aluminum foil box 1, and the aluminum foil box 1 can disperse the pressure on the bottom to the edge through the protruding part 16, which is beneficial to avoid deformation of the bottom of the aluminum foil box 1, thereby improving the overall compression resistance of the aluminum foil box 1.

[0030] As one of the preferred embodiments of the present application, refer to Figure 3 、 Figure 4 The bottom edge of the outer side of the box side edge 12 and the bottom edge of the outer side of the box bottom 11 meet and form a bottom reinforcing rib 17 which is protruded downwards and closed around the bottom edge of the box side edge 12; the bottom reinforcing rib 17 serves as a support structure when the aluminum foil box 1 is normally placed, which can concentrate the vertical force on the box side edge 12 and make the aluminum foil box 1 can withstand greater horizontal force, thereby improving the compression resistance of the aluminum foil box 1.

[0031] As one of the preferred embodiments of the present application, refer to Figure 1 、 Figure 2 、 Figure 3 One side edge of the aluminum foil cover 2 is provided with an outwardly extending cover opening pull strip 24, so that the user can more easily pull the aluminum foil cover 2 from the aluminum foil box 1 through the cover opening pull strip 24, thereby opening the aluminum foil preservation box; the surface of the cover opening pull strip 24 is provided with a friction groove 25, which can increase the friction of the surface of the cover opening pull strip 24 and serve as a fulcrum for pulling the aluminum foil box 1, so that the aluminum foil cover 2 is more easily pulled from the aluminum foil box 1, thereby reducing the difficulty of opening the aluminum foil preservation box.

[0032] In summary, the aluminum foil preservation box is mainly used for packaging food needing sealed storage, the aluminum foil cover 2 is adhered and fixed on the adhering edge 13 of the aluminum foil box 1 through the adhering layer 22 on the surface, so that a sealed space is formed in the packaging cavity, which is beneficial to preservation and storage of the internal product, the aluminum foil box 1 improves the overall strength and compression resistance through the edge reinforcing rib 15 of the top edge 14, the side edge 12 and the bottom reinforcing rib 17 of the bottom 11, so that the aluminum foil preservation box can bear greater external force impact and better protect the internal product, and the aluminum foil cover 2 plays a buffering role on the product through the buffer bag 23 on the inner surface and avoids the product from colliding with the inner wall of the aluminum foil box 1 in the transportation process, so as to further improve the protection effect of the aluminum foil preservation box on the product.

[0033] The above only describes the preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. An aluminium foil container comprising an aluminium foil box (1), an aluminium foil lid (2), characterised in that, The aluminum foil box (1) is composed of a box bottom (11) and a box side (12), the box side (12) is closed around the edge of the box bottom (11), the box side (12) and the box bottom (11) form a hollow packaging cavity, the box side (12) extends upward from the top of the box bottom (11) and forms a box opening at the top of the box side (12), the edge of the box opening is provided with an outwardly extending adhesive edge (13), the adhesive edge (13) is closed around the edge of the box opening. The aluminum foil cover (2) covers the box opening and is fixedly connected with the adhesive edge (13), the aluminum foil cover (2) is composed of an aluminum foil layer (21) and an adhesive layer (22) from top to bottom, and the bottom of the aluminum foil cover (2) is provided with a plurality of buffer bags (23) which are downwardly protruding and located in the packaging cavity.

2. The aluminum foil container according to claim 1, wherein The outer side edge of the adhesive edge (13) is curled to form a curled edge (14), and the curled edge (14) is closed around the edge of the adhesive edge (13).

3. The aluminum foil container according to claim 2, wherein The outer side edge of the adhesive edge (13) is curled upward to form a curled edge (14), and the top surface of the curled edge (14) is located below the edge of the adhesive edge (13).

4. The aluminum foil container of claim 1, wherein The box side (12) is provided with a plurality of side reinforcing ribs (15), the side reinforcing ribs (15) extend from the box bottom (11) towards the box opening, and the side reinforcing ribs (15) protrude from the inner side of the box side (12) into the packaging cavity.

5. The aluminum foil container of claim 1, wherein The box bottom (11) is provided with a protruding portion (16) which is upwardly protruding into the packaging cavity, and the edge of the protruding portion (16) is close to the bottom edge of the box side (12).

6. The aluminum foil container of claim 1, wherein The outer side bottom of the box side (12) is downwardly protruding at the intersection with the outer side bottom edge of the box bottom (11) and forms a bottom reinforcing rib (17), and the bottom reinforcing rib (17) is closed around the bottom edge of the box side (12).

7. The aluminum foil container of claim 1, wherein One side edge of the aluminum foil cover (2) is provided with an outwardly extending cover opening pull strip (24), and the surface of the cover opening pull strip (24) is provided with a friction groove (25).