CN2541350Y - A reusable paper bag - Google Patents

Abstract

The utility model provides a paper bag body that repeatedly glues and seals use, it is one by first surface course and second surface course bonding and form a bag body of putting the space between the two surface courses, and bag body upper port is an uncovered, and first surface course upwards extends the closing cap part of a roll-off for the second surface course in uncovered department, its characterized in that: the closing cap part that takes off in the book combines a separation shape rete with the uncovered department outside of second surface course, is equipped with first gluing on the upper portion of separation shape rete and takes off the layer, is equipped with the second in the uncovered department outside of second surface course and glues and take off the layer, because the utility model discloses a be provided with two places on the bag body at ordinary times and can be kept apart and not adhere by the spacing block, and can take off the spacing block respectively during the use and tear and implement two glues of repeated adhesive seal use with the separation shape rete of second surface course lateral surface or closing cap part and take off the layer, have repeatedly usable, save material's advantage.

Description

A reusable paper bag

technical field

The utility model relates to a paper bag for containing letters and articles, in particular to a paper bag which can be repeatedly glued and sealed.

Background technique

Since the rapid development of industry and commerce, envelopes or paper bags have been used to install and accommodate mail and printed materials, and envelopes or paper bags do have the excellent characteristics of convenience and high privacy. Therefore, envelopes and paper bags have not changed due to the progress of the times and the development of society. Instead of being eliminated, with the frequent exchange of paper materials and the strengthening of environmental protection concepts, the use of envelopes and paper bags has become more important. Therefore, the sealing design of envelopes and paper bags has become the most important key to their repeated use, and various envelopes and sealing structures of paper bags have thus come into being.

However, in the existing paper bag sealing structure, the sealing piece is mainly extended from one side of the bag body. When in use, it is necessary to apply adhesive to the sealing place or bind it with staples so that the sealing piece is folded and fixed on the body. Its use procedure is cumbersome, and if there is no tool or adhesive, the seal cannot be sealed, and due to improper use of adhesive, it will cause overflow and dirt, and the use of staples is easy to be dismantled and read, making the letter Lost or peeped, the confidentiality is not good, so it is not an ideal seal.

Another kind of existing paper bag structure, which is mainly provided with a sealing piece integrally extended from one side of the bag body, and a pressure-sensitive adhesive is provided on the sealing piece, so it can be sealed without using an adhesive, but it can only be used once, and it needs to be dismantled. The bag body will be destroyed during sealing and cannot be reused, so it is not an ideal structure.

Because the bag body cannot be repeatedly glued and sealed, it will not only cause waste of resources and increase of office costs, but also will greatly increase the amount of discarded waste bags because they cannot be repeatedly glued and sealed, which is not conducive to environmental protection, especially in some occasions , once it is glued and sealed, it is inconvenient to disassemble and repack some supplementary or missing letters, causing inconvenience in use.

Contents of the invention

The purpose of the utility model is to overcome the above-mentioned shortcomings and deficiencies of the prior art, and to provide a paper bag that can be repeatedly glued and sealed. The technical solution of the utility model is: it is a bag body which is bonded by the first surface layer and the second surface layer and forms a storage space between the two surface layers. The upper port of the bag body is an opening. Relative to the second surface layer, the first surface layer has a folded cover part extending upwards at the opening, and it is characterized in that: there is a joint outside the folded cover part and the second surface layer opening. The release film layer is provided with a first adhesive release layer on the top of the release film layer, and a second adhesive release layer is provided outside the opening of the second surface layer.

Since the bag body of the present utility model is provided with two places which can be separated by the release sheet without bonding at ordinary times, the release sheet can be opened and torn apart during use, and separated from the outer surface of the second surface layer or the cover part. The double-adhesive-releasable layer used for repeated adhesive sealing of the film layer is not only reusable, saves materials, reduces costs, but also has the convenience and flexibility of secondary sealing, and also has the effect of reducing the number of discarded bags and enhancing environmental protection. and safety in use.

Description of drawings

Fig. 1 is a structural perspective view of Embodiment 1 of the present utility model.

Fig. 2 is a structural perspective view of another embodiment of the present invention.

Fig. 3 is an enlarged longitudinal partial cross-sectional view of the sealing portion in Fig. 2 before bonding.

Fig. 4 is an enlarged longitudinal partial cross-sectional view of the sealing portion in Fig. 2 after the first bonding.

Fig. 5 is an enlarged view of a partial longitudinal section of the sealing part when the structure shown in Fig. 1 and Fig. 2 is repeatedly bonded for the second time.

Fig. 6 is a structural perspective view of Embodiment 3 of the present utility model.

specific embodiment

Below structure accompanying drawing 1 to 6 is carried out Xiang detailed description to the concrete structure of the present utility model:

A reusable paper bag, which is a bag formed by bonding a first surface layer 10 and a second surface layer 20 and forming a storage space between the two surface layers, the bag body The upper port is an opening 30, and the first surface layer 10 extends upwards with respect to the second surface layer 20 at the opening 30, and a folded cover portion 11 is characterized in that: in the folded cover portion The inner surface of 11 has a release film layer 12 combined with the outside of the opening of the second surface layer 20, the top of the release film layer 12 is provided with a first adhesive layer 13, and at the opening of the second surface layer 20 A second adhesive layer 21 is provided on the outer side. See Figures 1 to 4.

The first adhesive release layer 13, the second adhesive release layer 21 and the release film layer 12 are all strip-shaped regions arranged laterally along the bag body, and the surface layers of the first adhesive release layer 13 and the second adhesive release layer 21 are all respectively There is a spacer 14 and 22 that is peeled off or pasted with the respective adhesive release layer body. See Figures 1 to 4.

The first adhesive release layer 13 and the second adhesive release layer 20 are formed by laminating the outer release sheets 14, 22 and the adhesive layer bonded to the release sheets 14, 22. See Figure 1 to Figure 3 and Figure 6.

The adhesive layer of the first adhesive release layer 13 and the second adhesive release layer 21 covered by the release sheet 14, 22 is a strip formed after the adhesive is directly coated on the surface of the respective specific adhesive release area of the bag body. Tape adhesive layer. See Figure 1 and Figure 2.

The first adhesive release layer 13 and the second adhesive release layer 21 are strip-shaped adhesive release layers formed by double-sided adhesive tape attached to the surface of each specific adhesive release area of the bag body. See Figure 1, Figure 2, and Figure 6.

Described release film layer 12 is a layer and the cover part 11 inner surface of the first surface layer 10 and presses together, and is the strip-shaped area that is made of smooth plastic film layer by outer surface, and this The release film layer 12 implements the first phase bonding or peeling off is the second adhesive layer 21 positioned at the lateral edge of the opening of the second surface layer 20, and the second adhesive layer 21 on the outer surface of the second surface layer 20. It is the first adhesive release layer 13 provided on the inner surface of the cover part 11 that the lower body of the layer 21 is bonded or peeled off for the second time. See Figure 3 to Figure 5.

The width of the strip-shaped release film layer 12 is greater than the width of the second adhesive release layer 21 that is attached or peeled off with it. See Figure 4.

On the outer edge of the extended cover portion 11 of the first surface layer 10, a tamper-evident seal 40 is pasted, and the overhang of the tamper-evident seal 40 is connected to the second adhesive layer on the outer surface of the second surface layer 20. The lower body of 21 is bonded. See Figure 2 and Figure 4.

The tamper-evident seal 40 is a frangible strip in the shape of a belt. See Figure 4.

Below structure is further elaborated again in conjunction with accompanying drawing 1 to 6 to the using method of the present utility model.

Please refer to Fig. 3 and Fig. 4, when using the utility model as a general envelope when mailing, only need to tear off the release sheet 14 of the first adhesive release layer 13 on the cover part 11, and then cover the cover part 11 can be folded downwards so that the first adhesive release layer 13 can be adhered to the lower part of the second adhesive release layer 21 of the second surface layer 20, and a tightly bonded seal can be formed without using any adhesive. Please refer to Fig. 1 and Fig. 5, when the utility model is only temporarily sealed or needs to be opened and closed repeatedly, the cover part 11 can be folded downwards, because the cover part 11 is provided near the seal 30. There is a release film layer 12 with a smooth surface and a wider width, so when the cover part 11 is folded down, the second adhesive layer 21 after the release sheet 22 is removed will adhere to the smoother release film layer 12, because the second adhesive layer 21 has a certain degree of adhesion with the release film layer 12, but it is quite easy to tear off, so it will not damage the structure of the bag body 1 itself, so it can be repeatedly opened and bonded. Repeated use achieves the effect of saving resources and being environmentally friendly.

See also Fig. 2, shown in Fig. 4 again, on the cover part 11 back side of bag body 1 of the present utility model also can be pasted with frangible anti-tamper seal 40, when cover part 11 is bonded on the second surface After the layer 20, the overhanging part of the tamper-evident seal 40 is covered on the junction of the second surface layer and the cover part 11 with an adhesive, so the tamper-evident seal 40 must be destroyed when the envelope or paper bag is to be opened, so that the bag can be detected Whether body 1 has ever been dismantled and read, and can maintain certain security.

See also shown in Fig. 6, it is the embodiment that the utility model is applied to another bag body 1, by changing the positions of the release film layer 12 and the two adhesive layers 13, 21, the utility model can be applied to various This kind of paper bag, for example, a paper bag with a protective air cushion between the first surface layer and the second surface layer is also applicable and has considerable practicability.

Although the above only exemplifies several specific embodiments of the utility model, all modifications and changes that have not been substantially changed shall belong to the scope of protection of the utility model, and the application for a utility model patent is now proposed in accordance with the law. Kindly review and approve patent rights.

Claims (9)

1. A paper bag body that can be repeatedly glued and sealed. It is a bag body that is bonded by the first surface layer and the second surface layer and forms a storage space between the two surface layers. The bag body The upper port is an opening, and the first surface layer extends upwards a folded cover part relative to the second surface layer at the opening, and it is characterized in that: there is an inner surface of the folded cover part The release film layer combined outside the opening of the second surface layer is provided with a first adhesive release layer on the top of the release film layer, and a second adhesive release layer is provided outside the opening of the second surface layer. 2. The reusable paper bag according to claim 1, characterized in that: the first adhesive layer, the second adhesive layer and the release film layer are all strips arranged along the lateral direction of the bag body. In the belt-shaped area, the surface layers of the first adhesive release layer and the second adhesive release layer each have a release sheet that is torn off or pasted on the body of the respective adhesive release layer. 3. The reusable paper bag according to claims 1 and 2, characterized in that: the first adhesive release layer and the second adhesive release layer are made of the outer release sheet and the release sheet. It is formed by lamination of bonded adhesive layers. 4. The reusable paper bag according to claim 3, characterized in that: the adhesive layer of the first adhesive release layer and the second adhesive release layer covered by the release sheet are made of The strip-shaped adhesive layer formed after the surface of each specific sticky area of the bag body is directly coated with adhesive. 5. The reusable paper bag according to claims 1 and 2, characterized in that: the first adhesive layer and the second adhesive layer are formed by the respective specific adhesive layers on the bag body. A strip-like release layer formed after the double-sided tape attached to the surface of the area. 6. The reusable paper bag according to claims 1 and 2, characterized in that: the release film layer is a layer attached to the inner surface of the cover part of the first surface layer. The strip-shaped area formed by a plastic film layer with a smooth outer surface, and the release film layer is bonded or peeled off for the first time at the outer edge of the opening of the second surface layer The second adhesive release layer in the horizontal direction is the first adhesive release layer provided on the inner surface of the cover part for the second bonding or tearing with the lower body of the second adhesive release layer on the outer surface of the second surface layer. 7. The reusable paper bag according to claim 6, characterized in that the width of the strip-shaped release film layer is greater than the width of the second adhesive layer attached or peeled off. 8. The reusable paper bag according to claim 1, characterized in that: a tamper-evident seal is pasted on the outer side of the edge of the extended cover part of the first surface layer, tamper-proof The overhanging part of the seal is bonded to the lower body of the second adhesive release layer on the outer surface of the second surface layer. 9. The reusable paper bag according to claim 8, wherein the tamper-evident seal is a strip-shaped fragile strip.

Images