Anti-static bag
By designing a staggered air-sealed structure and automatic sealing technology for antistatic bags, the problem of air getting into the bags when opened is solved, achieving effective protection for electronic products and space optimization.
Patent Information
- Application Number
- CN202422927089.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Antistatic bags can easily let air in when they are opened and closed, causing electronic products to oxidize and become damp, especially in humid environments.
An antistatic bag was designed, comprising a bag body, first and second convex and concave zipper strips, and a secondary bag film. Gas is discharged through the staggered air slit structure on the bag body and the secondary bag film, and the secondary bag film automatically seals the bag to ensure that the bag remains sealed after the gas inside has been discharged.
It effectively prevents electronic products from oxidizing and corroding in humid environments, reduces packaging volume, adapts to complex storage environments, especially the humid conditions during sea transport, and protects precision electronic products.
Smart Images
Figure CN223619270U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of packaging bag technology, and in particular to an antistatic bag. Background Technology
[0002] Antistatic bags, also known as static-shielding bags, are characterized by their resistance to static electricity and ability to shield against external static electricity. An inner layer of antistatic material prevents static electricity from forming inside the bag, while an outer layer of shielding material creates a Faraday cage, forming an "induction shield" effect. This effectively isolates items from external electrostatic fields, protecting the contents from static electricity hazards and electromagnetic interference. They are commonly used for packaging protection of various computer motherboards, sound cards, graphics cards, network cards, hard drives, switches, routers, and memory modules—electronic products and components sensitive to static electricity.
[0003] Therefore, since antistatic bags are often used to store various electronic products, when the antistatic bag is opened to expose the contents, the surrounding air will mix in. Especially for some precision electronic products containing metal, frequent opening and closing of the bag can cause the electronic products to oxidize and be corroded by moisture in the air, especially in some humid storage environments such as sea transport. Utility Model Content
[0004] In view of this, the purpose of this utility model is to provide an antistatic bag to solve the above problems.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] This utility model provides an antistatic bag, which includes a bag body, a first embossed zipper, a second embossed zipper, and a secondary bag film. The bag body forms a storage space with an open top; the first embossed zipper is located at the top of the bag body; the second embossed zipper is arranged side by side with a gap from the first embossed zipper and is located below the first embossed zipper; the bag body has an air slit between the first and second embossed zippers, forming an opening area for venting gas from the storage space; the secondary bag film covers the opening area of the bag body, and the secondary bag film has a secondary bag air slit that is offset from the bag body air slit.
[0007] Preferably, there are multiple air slits in the bag body, which are arranged in an array on the opening area of the bag body, and there are multiple air slits in the secondary bag, which are arranged in an array on the secondary bag film.
[0008] Preferably, the sub-bag film is covered with a peelable adhesive tape layer to cover the sub-bag air seams on the sub-bag film.
[0009] Preferably, the air seam in the bag body and the air seam in the sub-bag are straight slits formed by cuts made on the bag body and sub-bag film, respectively.
[0010] Preferably, the bag body comprises an antistatic film layer, a shielding film layer, and a polyester film layer stacked sequentially. The antistatic film layer comprises a polyethylene material layer and a polypropylene material layer, and the shielding film layer comprises an aluminum-plated coating.
[0011] Preferably, the left and right sides of the bag body are bonded together by hot pressing multilayer material film to form the bag side seal, and the bag side seal is encapsulated with a metal extension strip.
[0012] Preferably, the top of the bag body is provided with a hanging hole, and a conductive metal ring connected to the shielding layer is provided in the hanging hole.
[0013] Preferably, the edge of the sub-bag film is fixed to the slit area of the bag body by heat sealing.
[0014] The main technical effects achieved by this utility model are as follows:
[0015] Using the above-mentioned antistatic bag, the first convex and concave zipper can be closed to seal the opening of the bag while keeping the second convex and concave zipper open. The gas in the bag can be released through the air seam in the opening area and then through the air seam in the secondary bag. Then the second convex and concave zipper can be sealed tightly to effectively release the air in the bag, preventing the items from being oxidized and corroded by the existing air in the bag. It is suitable for various complex and harsh storage environments, and can effectively protect some precision electronic products that are stored for a long time or placed in the humid environment of sea transport.
[0016] After the gas inside the antistatic bag is released, the packaging volume can be compressed, avoiding the bag from swelling and occupying too much storage space, which is beneficial for the batch stacking of products after packaging.
[0017] Because the air seam of the main bag and the air seam of the secondary bag are misaligned, after enough air is expelled from the bag, the secondary bag film tightly adheres to the opening area of the bag, which will cover the air seam of the main bag with the secondary bag film and the air seam of the secondary bag with the film layer of the opening area, thus achieving automatic sealing. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of the antistatic bag provided by this utility model;
[0019] Figure 2 This is a plan view of the antistatic bag;
[0020] Figure 3 This is a schematic diagram showing the state of the sub-bag film in the antistatic bag being attached to the slit area of the bag body.
[0021] The reference numerals in the above figures are as follows:
[0022] 1. Bag body, 1a. Sewing area, 10. Air seam of bag body, 11. Side seal of bag, 12. Conductive metal ring;
[0023] First convex and concave zipper 21, second convex and concave zipper 22;
[0024] Sub-bag film 3, sub-bag air seam 30. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the drawings. The embodiments of this utility model shown in and described with reference to the drawings are merely exemplary, and this utility model is not limited to these embodiments.
[0026] To avoid obscuring the present invention with unnecessary details, only the structures and / or processing steps closely related to the solution according to the present invention are shown in the accompanying drawings, while other details that are not of great importance are omitted.
[0027] like Figure 1 and Figure 2 As shown, this utility model embodiment provides an antistatic bag, which includes a bag body 1, a first embossed zipper strip 21, a second embossed zipper strip 22, and a secondary bag film 3.
[0028] The bag body 1 forms a storage space with a top opening; the first convex-concave zipper 21 is disposed at the top of the bag body 1; the second convex-concave zipper 22 is disposed side by side with the first convex-concave zipper 21 at intervals, located below the first convex-concave zipper 21; the bag body 1 has an air slit 10 between the first convex-concave zipper 21 and the second convex-concave zipper 22, forming an opening area 1a for venting gas from the storage space, combined with... Figure 3 As shown, the sub-bag film 3 covers the slit area 1a of the bag body 1, and the sub-bag film 3 has a sub-bag air slit 30 that is offset from the air slit 10 of the bag body.
[0029] After placing the object in the aforementioned antistatic bag, first close the first convex-concave zipper 21 to seal the opening of the bag body 1 while keeping the second convex-concave zipper 22 open. This allows gas inside the bag to pass through the second convex-concave zipper 22 but not through the opening of the bag body 1. Thus, the user can use squeezing or other methods to sequentially allow the gas in the bag body 1 to enter between the secondary bag film 3 and the opening area 1a through the bag body air slit 10, and finally exit through the secondary bag air slit 30. The air slits 10 and 30 are offset from each other. After enough air is expelled from the bag, the secondary bag film 3 tightly covers the opening area 1a of the bag body 1. This will cause the air slits 10 of the bag body to be covered by the secondary bag film 3, while the air slits 30 of the secondary bag will be covered by the film layer of the opening area 1a. The secondary bag film 3 and the opening area 1a form an automatic sealing air venting buffer space. Then, the user can seal the second convex and concave zipper 22 tightly to ensure that the storage space below the second convex and concave zipper 22 is sealed and airtight.
[0030] Based on the aforementioned antistatic bag, the gas inside can be effectively expelled as much as possible. The staggered air seams achieve automatic sealing, and the second convex-concave zipper 22 further ensures the airtightness of the storage space. This effectively reduces the amount of air inside the bag, preventing oxidation and corrosion of items due to the existing air within. It adapts to various complex and harsh storage environments, providing effective protection, especially for precision electronic products stored long-term or exposed to the humid environment of sea transport. Furthermore, expelling the gas from the antistatic bag compresses the packaging volume, preventing bulging and excessive storage space occupation, which is beneficial for bulk stacking of packaged products.
[0031] In this embodiment, there are multiple air slits 10 in the bag body, which are arranged in an array on the opening area 1a of the bag body 1. There are also multiple secondary air slits 30, which are arranged in an array on the secondary bag film 3. The regular arrangement of the air slits 10 and secondary air slits 30 can make the gas discharge more uniform and smooth. The number of the air slits 10 and secondary air slits 30 can be freely preset according to the required exhaust efficiency and airtightness of the antistatic bag.
[0032] Furthermore, a peelable adhesive tape layer is provided on the sub-bag film 3 to cover the sub-bag air gap 30 on the sub-bag film 3. After the object is sealed, the sub-bag film 3 is covered by the adhesive tape layer to ensure that the sub-bag film 3 and the opening area 1a are also absolutely sealed, further ensuring the airtightness of the bag body 1.
[0033] For example, the air slit 10 in the bag body and the air slit 30 in the sub-bag are straight slits formed by cuttings on the bag body 1 and the sub-bag film 3, respectively. When the bag body 1 and the sub-bag film 3 are in a flat state, the straight slits formed by the cuttings will close naturally, which is better than openings.
[0034] For example, the bag body 1 includes an antistatic film layer, a shielding film layer, and a polyester film layer stacked sequentially. The antistatic film layer includes a polyethylene material layer and a polypropylene material layer, and the shielding film layer includes an aluminum-plated coating, which has sufficient conductivity to provide electrostatic shielding. The antistatic film layer is the inner layer that directly contacts the contents. The polyethylene material layer and the polypropylene material layer have high surface resistance, preventing the generation and elimination of static electricity, and can effectively protect electrically sensitive components from potential static electricity damage. They also have good toughness and wear resistance, protecting the internal items from friction and scratches when subjected to bumps, which is beneficial for transportation.
[0035] To facilitate the expulsion of gas from the storage space by squeezing the bag body 1, the left and right sides of the bag body 1 are bonded together by hot-pressing multilayer material film to form a bag side seal 11. The bag side seal 11 is encapsulated with a metal extension strip. The metal extension strip has a certain degree of plasticity, which makes the bag body 1 easy to roll up and fold, and maintain stable deformation.
[0036] The top of the bag body 1 has a hanging hole, and a conductive metal ring 12 connected to the shielding layer is provided in the hanging hole. The generated charge can be conducted through the conductive metal ring 12, and the strength of the conductive metal ring 12 can be used to hang the antistatic bag.
[0037] Specifically, the edge of the secondary bag film 3 is fixed to the slit area 1a of the bag body 1 by heat sealing, which is applicable to conventional bag making processes, and the secondary bag film 3 is set more firmly.
[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0039] The above description is only a specific embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.
Claims
1. An antistatic bag, characterized in that, include: The bag body (1) forms a storage space with a top opening; A first convex-concave zipper (21) is provided on the top of the bag body (1); The second convex and concave zipper strip (22) is arranged side by side with the first convex and concave zipper strip (21) and is located below the first convex and concave zipper strip (21); The bag body (1) has an air slit (10) between the first convex and concave zipper strip (21) and the second convex and concave zipper strip (22), forming an opening area (1a) for venting gas from the storage space. The sub-bag film (3) covers the opening area (1a) of the bag body (1), and the sub-bag film (3) has a sub-bag air slit (30) that is offset from the bag body air slit (10). The bag body (1) includes an antistatic film layer, a shielding film layer and a polyester film layer stacked in sequence. The antistatic film layer includes a polyethylene material layer and a polypropylene material layer. The shielding film layer includes an aluminum-plated coating. The top of the bag body (1) has a hanging hole, and a conductive metal ring (12) connected to the shielding layer is provided in the hanging hole.
2. The antistatic bag according to claim 1, characterized in that, The number of the bag body air seams (10) is multiple, and the multiple bag body air seams (10) are arranged in an array on the opening area (1a) of the bag body (1). The number of the secondary bag air seams (30) is multiple, and the multiple secondary bag air seams (30) are arranged in an array on the secondary bag film (3).
3. The antistatic bag according to claim 1, characterized in that, The sub-bag film (3) is covered with a peelable adhesive tape layer to cover the sub-bag air seam (30) on the sub-bag film (3).
4. The antistatic bag according to claim 1, characterized in that, The air slits (10) in the bag body and the air slits (30) in the sub-bag are straight slits formed by cuts made on the bag body (1) and the sub-bag film (3), respectively.
5. The antistatic bag according to claim 1, characterized in that, The left and right sides of the bag body (1) are bonded together by hot pressing multilayer material film to form a bag side seal (11), and a metal extension strip is encapsulated in the bag side seal (11).
6. The antistatic bag according to claim 1, characterized in that, The edge of the sub-bag film (3) is fixed to the slit area (1a) of the bag body (1) by heat sealing.