Sealing and opening structure of paper tray packaging and manufacturing method thereof

Abstract

The invention discloses a sealing and opening structure of a paper tray package and a manufacturing method thereof, comprising a lower cover and an upper cover; the upper cover and the lower cover are both made of a paper tray material, a portion of the edge of the upper cover is integrally connected with a portion of the edge of the lower cover, the upper cover can be turned upside down relative to the lower cover, and the remaining edge of the upper cover is sealed and connected with the remaining edge of the lower cover through a zipper-like tear strip. By using paper tray material as the cover and the lower cover, and cooperating with a portion of the edge of the upper cover to be integrally connected with a portion of the edge of the lower cover, the remaining edge of the upper cover is sealed and connected with the remaining edge of the lower cover through a zipper-like tear strip, a sealing effect is played, and the product is protected from being opened before being sold. In addition, the box opening method adopts a zipper-like structure, which is easy to tear and open, simple to operate, environmentally friendly, and can also provide secondary protection for the product, prevent dust, and prevent the product from being replaced midway.

Description

Technical Field

[0001] The invention relates to the technology of packaging box field, in particular to a sealing and opening structure of paper tray packaging and a manufacturing method thereof. Background Art

[0002] At present, the main function of paper trays is usually to protect products from damage during transportation and delivery as packaging accessories (for example, in the packaging of a mobile phone, paper trays are placed in a handmade box to protect the mobile phone; another example is an egg tray, which protects eggs from being broken by external impact during transportation). Only a small number of paper trays are used as separate outer packaging. However, due to the influence of the production and molding process of paper trays, paper trays rarely have novel structures and relatively simple functions whether used as packaging accessories or independent packaging. Therefore, it is necessary to study a solution to solve the above problems. Summary of the invention

[0003] In view of this, the present invention aims at the deficiencies in the prior art, and its main purpose is to provide a sealing and opening structure for a paper tray packaging and a manufacturing method thereof, which can effectively solve the problem that the existing paper tray as a packaging accessory or independent packaging lacks novel structure presentation and has relatively single functions.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A sealing and opening structure for a paper tray package comprises a lower cover and an upper cover; both the upper cover and the lower cover are made of a paper tray material, a portion of the edge of the upper cover is integrally connected with a portion of the edge of the lower cover, the upper cover can be turned upside down relative to the lower cover, and the remaining edge of the upper cover is sealed with the remaining edge of the lower cover by a zipper-like tear strip, the zipper-like tear strip is a paper structure, and the two sides of the zipper-like tear strip are respectively bonded and fixed to the remaining edge of the upper cover and the remaining edge of the lower cover by an adhesive, a serrated knife line is reserved in the middle part of the zipper-like tear strip, and a zipper pattern layer is printed on the surface of the zipper-like tear strip.

[0006] As a preferred solution, both the upper cover and the lower cover are single-layer paper trays.

[0007] As a preferred solution, a V-shaped groove is formed inside the connection between the upper cover and the lower cover.

[0008] As a preferred solution, the upper cover and the lower cover are formed by vacuum adsorption of pulp.

[0009] As a preferred solution, the remaining edge of the upper cover and the remaining edge of the lower cover are located on the same horizontal plane.

[0010] A method for manufacturing a sealing and opening structure of a paper tray package comprises the following steps:

[0011] (1) The upper cover and the lower cover are integrally formed using a set of molds;

[0012] (2) Making a zipper-shaped tear strip includes the following steps:

[0013] (2.1) Material selection: choose paper materials with soft texture and good toughness;

[0014] (2.2) Printing: printing a zipper pattern layer on the surface of the paper material;

[0015] (2.3) Make a die according to the toothed knife line and perform die-cutting on the paper material;

[0016] (2.4) Before molding, pre-paste or apply the adhesive;

[0017] (3) The die-cut zipper-shaped tear strip is bonded to the upper cover and the lower cover respectively to seal the upper cover and the lower cover together.

[0018] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0019] By using paper support material as the cover and the lower cover, and cooperating with a part of the edge of the upper cover and a part of the edge of the lower cover to be integrally connected, the remaining edge of the upper cover and the remaining edge of the lower cover are sealed and connected by a zipper-like tear strip, which plays a sealing role and protects the product from being opened before sale. The box opening method adopts a zipper-like structure, which is easy to tear and open, easy to operate, environmentally friendly, and can also provide secondary protection for the product, prevent dust, and prevent the product from being replaced midway.

[0020] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of an assembly perspective view of a preferred embodiment of the present invention;

[0022] Figure 2 is a cross-sectional view of a preferred embodiment of the present invention;

[0023] Figure 3 It is a schematic diagram of the use status of a preferred embodiment of the present invention.

[0024] Description of the accompanying drawings:

[0025] 10. Lower cover 20. Upper cover

[0026] 30. Zipper-like tear strip 31. Serrated knife line

[0027] 32. Zipper pattern layer DETAILED DESCRIPTION

[0028] Please refer to Figures 1 to 3 As shown, it shows the specific structure of the sealing and opening structure of a paper tray package according to a preferred embodiment of the present invention, including a lower cover 10 and an upper cover 20.

[0029] The upper cover 20 and the lower cover 10 are both made of paper tray material, and a portion of the edge of the upper cover 20 is integrally connected with a portion of the edge of the lower cover 10. The upper cover 20 can be turned upside down relative to the lower cover 10, and the remaining edge of the upper cover 20 and the remaining edge of the lower cover 10 are sealed by a zipper-like tear strip 30. The zipper-like tear strip 30 is a paper structure, and its two sides are respectively bonded and fixed to the remaining edge of the upper cover 20 and the remaining edge of the lower cover 10 by adhesive. A serrated knife line 31 is reserved in the middle part of the zipper-like tear strip 30, and a zipper pattern layer 32 is printed on the surface of the zipper-like tear strip 30 to simulate the appearance of the zipper, enhance the fun of opening the package, and at the same time have an indication function of package opening.

[0030] In the present embodiment, the upper cover 20 and the lower cover 10 are both single-layer paper holders; a V-shaped groove (not shown in the figure) is formed on the inner side of the connection between the upper cover 20 and the lower cover 10, which can ensure that the upper cover 20 and the lower cover 10 fit perfectly in the closed state, and will not cause the upper cover 20 to be pushed open due to excessive rebound force after the upper cover 20 and the lower cover 10 are closed, resulting in a loose seal; the upper cover 20 and the lower cover 10 are formed by vacuum adsorption of paper pulp, so that the product has smooth surfaces on both sides to achieve an aesthetic effect; the remaining edges of the upper cover 20 and the remaining edges of the lower cover 10 are located on the same horizontal plane, which can ensure that the zipper-shaped tear strip 30 is pasted smoothly; in addition, a hook hole can be cut out at the top of the paper holder, and there is no need to set up other hanging structures separately, and the structure is convenient.

[0031] The present invention also discloses a method for manufacturing the sealing and opening structure of the aforementioned paper tray packaging, comprising the following steps:

[0032] (1) The upper cover 20 and the lower cover 10 are integrally formed using a set of molds, thereby saving mold development costs.

[0033] (2) Making the zipper-shaped tear strip 30 includes the following steps:

[0034] (2.1) Material selection: Choose paper materials that are soft and tough.

[0035] (2.2) Printing: printing a zipper pattern layer on the surface of the paper material.

[0036] (2.3) Make a die according to the cutter line and perform die-cutting on the paper material.

[0037] (2.4) Before molding, the adhesive should be pasted or coated in advance, and the adhesive should have good initial adhesion and strong lasting adhesion.

[0038] (3) The die-cut zipper-shaped tear strip 30 is bonded to the upper cover 20 and the lower cover 10 respectively, and the upper cover 20 and the lower cover 10 are sealed together.

[0039] When the product needs to be opened, one end of the zipper-shaped tear strip 30 is pulled and opened along the reserved serrated knife line 31 without damaging the upper cover 20 and the lower cover 10. In addition, because the zipper-shaped tear strip 30 is attached to both the upper cover 20 and the lower cover 10, the paper tray package can be repeatedly opened and closed twice, and each time only one side of the zipper is opened, and the other side of the zipper can be retained for the next use, and the method of use is the same as the first tear strip.

[0040] The design focus of the present invention is: by using paper support material as the cover and the lower cover, and cooperating with a part of the edge of the upper cover and a part of the edge of the lower cover to be integrally connected, the remaining edge of the upper cover and the remaining edge of the lower cover are sealed and connected by a zipper-like tear strip, which plays a sealing role and protects the product from being opened before sale. The box opening method adopts a zipper-like structure, which is easy to tear and open, easy to operate, environmentally friendly, and can also provide secondary protection for the product, prevent dust, and prevent the product from being replaced midway.

[0041] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A sealing and opening structure for a paper tray package, comprising a lower cover and an upper cover; Features: The upper cover and the lower cover are both made of paper tray material, a portion of the edge of the upper cover is integrally connected with a portion of the edge of the lower cover, the upper cover can be flipped up and down relative to the lower cover, and the remaining edge of the upper cover is sealed with the remaining edge of the lower cover by a zipper-like tear strip, the zipper-like tear strip is a paper structure, and its two sides are respectively bonded and fixed to the remaining edge of the upper cover and the remaining edge of the lower cover by adhesive, a serrated knife line is reserved in the middle part of the zipper-like tear strip, and a zipper pattern layer is printed on the surface of the zipper-like tear strip; the upper cover and the lower cover are both single-layer paper trays; a V-shaped groove is formed on the inner side of the connection between the upper cover and the lower cover; the remaining edge of the upper cover and the remaining edge of the lower cover are located on the same horizontal plane.

2. The sealing and opening structure of the paper tray packaging according to claim 1, Features: The upper cover and the lower cover are formed by vacuum adsorption of paper pulp.

3. A method for manufacturing the sealing and opening structure of the paper tray packaging according to any one of claims 1 to 2, Features: The following steps are included: (1) The upper cover and the lower cover are integrally formed using a set of molds; (2) Making a zipper-shaped tear strip includes the following steps: (2.1) Material selection: choose paper materials with soft texture and good toughness; (2.2) Printing: printing a zipper pattern layer on the surface of the paper material; (2.3) Make a die according to the toothed knife line and perform die-cutting on the paper material; (2.4) Before molding, pre-paste or apply the adhesive; (3) The die-cut zipper-shaped tear strip is bonded to the upper cover and the lower cover respectively to seal the upper cover and the lower cover together.

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