PE coated paper heat-sealing packaging bag based on water-based heat-sealing adhesive
By designing a T-shaped structure of symmetrical film layers and fixed strips in PE film-coated paper heat sealed packaging bags, the problem of packaging bag falling during large-scale food handling is solved, and the stable connection and convenient handling of packaging bags are achieved.
Patent Information
- Application Number
- CN202422541544.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-21
AI Technical Summary
The existing PE film paper heat seal packaging bags are difficult to effectively prevent the packaging bag from falling and conveniently handling after food heat sealing, especially when large-scale food handling.
A PE film paper heat seal packaging bag based on water-based heat sealing glue is designed. By symmetrically setting two film layers, and connecting sheets, first fixing strips and second fixing strips are provided on the side walls of the film layer. Using the cooperation of the T-shaped strips and T-shaped grooves, the rapid connection and limiting of multiple packaging bags are achieved to prevent falling during the handling process.
It realizes stable connection of multiple packaging bags during the handling process, prevents falling, and improves the convenience and efficiency of handling.
Smart Images
Figure CN223188006U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat-sealed packaging bags, in particular to a PE coated paper heat-sealed packaging bag based on water-based heat-sealing adhesive. Background Art
[0002] Laminated paper is a composite material made by coating plastic particles onto the surface of paper using a casting machine. Its main features are oil-proof (relatively), waterproof (relatively), and heat-sealed. Different uses require different features.
[0003] In existing PE coated paper heat-sealed packaging bags, after the food is placed inside the packaging bag and heat-sealed, the packaged food usually needs to be moved to the next station. However, when the amount of heat-sealed food is large, it is inconvenient to carry it because it is piled up together. Utility Model Content
[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.
[0005] In view of the above problems and / or the problems existing in the existing PE coated paper heat-sealed packaging bag based on water-based heat-sealing adhesive, the present utility model is proposed.
[0006] Therefore, the purpose of the present invention is to provide a PE coated paper heat-seal packaging bag based on water-based heat-seal adhesive, which is symmetrically arranged with connecting pieces on both sides of the film layers. The two film layers are bonded together by the connecting pieces to form a bag structure, and a first fixing strip is arranged on the side wall of one of the film layers, and a T-shaped strip is arranged on its side wall, and a second fixing strip is arranged on the side wall of the other film layer, and a T-shaped groove is arranged on its side wall. When the food heat-seal packaging is completed, the T-shaped strip of one packaging bag is inserted into the T-shaped groove of the other packaging bag, so that the two packaging bags can be quickly connected. After connecting multiple packaging bags in this way, the multiple packaging bags are connected to each other during transportation, which has a certain limiting effect to prevent them from falling during transportation, making transportation convenient.
[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:
[0008] A PE coated paper heat-sealable packaging bag based on water-based heat-seal adhesive, comprising:
[0009] A film layer, wherein the film layers are two and arranged opposite to each other, each having connecting pieces at both ends, and heat-sealing adhesive strips are provided on the top and bottom of the side walls of the film layer, and the connecting pieces of the two film layers are bonded to each other;
[0010] A first fixing bar is installed on one of the side walls of the film layer, and a T-shaped bar is installed on the side wall of the first fixing bar;
[0011] The second fixing bar is mounted on the other side wall of the film layer, and the side wall of the second fixing bar is provided with a T-shaped groove that matches the T-shaped bar.
[0012] As a preferred solution of the PE coated paper heat-seal packaging bag based on water-based heat-seal adhesive described in the utility model, the side wall of the first fixing strip is installed with a first extension plate, and the other end of the first extension plate is installed with a limiting bead.
[0013] As an optimal solution for a PE coated paper heat-sealed packaging bag based on water-based heat-sealing adhesive described in the utility model, a second extension plate is installed on the side wall of the second fixing strip, and a limiting hole is provided at the position where the other end of the second extension plate cooperates with the limiting bead.
[0014] As an optimal solution for the PE coated paper heat-seal packaging bag based on water-based heat-seal adhesive described in the utility model, one of the side walls of the film layer is provided with an exhaust hole, a cover plate is hinged at the opening of the exhaust hole, a plug is installed on the side wall of the cover plate, and the plug is embedded in the exhaust hole.
[0015] As a preferred solution of the PE coated paper heat-seal packaging bag based on water-based heat-sealing adhesive described in the utility model, the film layer includes a coated paper layer and a polyethylene layer, and an adhesive layer is provided between the coated paper layer and the polyethylene layer.
[0016] As a preferred solution of a PE coated paper heat-seal packaging bag based on water-based heat-seal adhesive described in the utility model, a plurality of first protrusions are installed on the side wall of the coated paper layer facing the polyethylene layer, and a plurality of second protrusions are installed on the side wall of the polyethylene layer facing the coated paper layer, and the first protrusions and the second protrusions are arranged alternately.
[0017] Compared with the existing technology: by symmetrically arranging two film layers, connecting pieces are arranged on both sides of the film layers, and the two film layers are bonded together by the connecting pieces to form a bagged structure, a first fixing strip is arranged on the side wall of one of the film layers, and a T-shaped strip is arranged on its side wall, and a second fixing strip is arranged on the side wall of the other film layer, and a T-shaped groove is arranged on its side wall. When the food is heat-sealed and packaged, the T-shaped strip of one packaging bag is inserted into the T-shaped groove of the other packaging bag, so that the two packaging bags can be quickly connected. After connecting multiple packaging bags in this way, the multiple packaging bags are connected to each other during transportation, which has a certain limiting effect, preventing them from falling during transportation, and facilitating transportation. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive labor. Among them:
[0019] Figure 1 This is the overall structure diagram of a PE coated paper heat-sealable packaging bag based on water-based heat-seal adhesive in this utility model;
[0020] Figure 2 This is an expanded structural diagram of a PE coated paper heat-sealed packaging bag based on water-based heat-sealing adhesive in the utility model;
[0021] Figure 3 This is a partial structural diagram of a PE coated paper heat-sealable packaging bag based on water-based heat-seal adhesive in the utility model;
[0022] Figure 4 This is a cross-sectional view of the film layer of a PE coated paper heat-seal packaging bag based on water-based heat-seal adhesive in the utility model. DETAILED DESCRIPTION
[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0024] Next, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing the embodiments of the present invention. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.
[0025] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
[0026] The utility model provides a PE coated paper heat-seal packaging bag based on water-based heat-seal adhesive. The utility model provides a PE coated paper heat-seal packaging bag based on water-based heat-seal adhesive. Two film layers are symmetrically arranged, connecting pieces are arranged on both sides of the film layers, and the two film layers are bonded together by the connecting pieces to form a bag structure. A first fixing strip is arranged on the side wall of one of the film layers, and a T-shaped strip is arranged on the side wall of the other film layer. A second fixing strip is arranged on the side wall of the other film layer, and a T-shaped groove is arranged on the side wall. After the heat-seal packaging of food is completed, the T-shaped strip of one packaging bag is inserted into the T-shaped groove of the other packaging bag, so that the two packaging bags can be quickly connected. After multiple packaging bags are connected in this way, the multiple packaging bags are connected to each other during transportation, which has a certain limiting effect, prevents them from falling during transportation, and facilitates transportation.
[0027] Figure 1-4 The following is a schematic diagram of a PE coated paper heat-sealed packaging bag based on water-based heat-sealing adhesive according to the present invention. Figure 1-Figure 4 In this embodiment, a PE coated paper heat-sealable packaging bag based on water-based heat-seal adhesive includes a film layer 100, a first fixing strip 200 and a second fixing strip 300.
[0028] The film layers 100 are two and are arranged opposite to each other. There are connecting pieces 140 at both ends of the film layer 100. The top and bottom of the side wall of the film layer 100 are provided with heat-sealing strips 150. The connecting pieces 140 of the two film layers 100 are attached to each other. One of the side walls of the film layer 100 is provided with an air extraction hole 160. A cover plate 170 is hinged at the opening of the air extraction hole 160. A plug 180 is installed on the side wall of the cover plate 170. The plug 180 is embedded in the interior of the air extraction hole 160. The film layer 100 includes a laminating film. The paper layer 110 and the polyethylene layer 120, there is an adhesive layer 130 between the laminated paper layer 110 and the polyethylene layer 120, a plurality of first protrusions 111 are installed on the side wall of the laminated paper layer 110 facing the polyethylene layer 120, and a plurality of second protrusions 121 are installed on the side wall of the polyethylene layer 120 facing the laminated paper layer 110, the first protrusions 111 and the second protrusions 121 are arranged alternately, and the first protrusions 111 and the second protrusions 121 can increase the adhesive layer 130 and the laminated paper layer 110 and the polyethylene layer 120. The contact area between the ethylene layers 120 makes the laminated paper layer 110 and the polyethylene layer 120 more firmly bonded, and the staggered first protrusions 111 and the second protrusions 121 can prevent the laminated paper layer 110 and the polyethylene layer 120 from being offset and misaligned. When in use, the two film layers 100 are placed opposite each other, and the connecting pieces 140 of the two film layers 100 are bonded to each other, so that the two film layers 100 form a bag structure with upper and lower openings, and the food to be packaged is placed between the two film layers 100. 00, heat the heat-sealing strip 150 to make the heat-sealing strips 150 of the two film layers 100 fit together, heat-seal the film layers 100, open the cover 170, separate the plug 180 from the inside of the exhaust hole 160, pass the external vacuuming and pressing equipment through the exhaust hole 160, vacuumize the space between the two film layers 100, flip the cover 170 after vacuuming, and embed the plug 180 into the exhaust hole 160 to seal the exhaust hole 160, thereby completing the vacuum heat-sealed packaging of the food.
[0029] The first fixing bar 200 is installed on the side wall of one of the film layers 100, and a T-shaped bar 210 is installed on the side wall of the first fixing bar 200. A first extension plate 220 is installed on the side wall of the first fixing bar 200, and a limiting bead 230 is installed on the other end of the first extension plate 220. The second fixing bar 300 is installed on the side wall of the other film layer 100, and a T-shaped slot 310 that matches the T-shaped bar 210 is opened on the side wall of the second fixing bar 300. A second extension plate 320 is installed on the side wall of the second fixing bar 300. A limiting hole 330 is provided at the position where the other end of 320 cooperates with the limiting bead 230. After the film layer 100 finishes packaging the food, the two film layers 100 form a packaging bag structure. The T-shaped bar 210 of one packaging bag is embedded in the T-shaped groove 310 of the other packaging bag, and the limiting bead 230 is pressed to fit into the limiting hole 330 of the other packaging bag to connect the two packaging bags. After connecting multiple packaging bags in this way, the packaging bags can be prevented from scattering and falling when being transported.
[0030] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.
Claims
1. A PE coated paper heat-sealable packaging bag based on water-based heat-seal adhesive, characterized in that: include: A film layer (100), wherein the film layers (100) are two and arranged opposite to each other, the film layers (100) have connecting pieces (140) at both ends, the top and bottom of the side walls of the film layer (100) are both provided with heat-sealing adhesive strips (150), and the connecting pieces (140) of the two film layers (100) are bonded to each other; A first fixing bar (200) is installed on one of the side walls of the film layer (100), and a T-shaped bar (210) is installed on the side wall of the first fixing bar (200); The second fixing bar (300) is installed on the side wall of another film layer (100), and the side wall of the second fixing bar (300) is provided with a T-shaped slot (310) that matches the T-shaped bar (210).
2. A PE coated paper heat-sealable packaging bag based on water-based heat-seal adhesive according to claim 1, characterized in that: A first extension plate (220) is installed on the side wall of the first fixing bar (200), and a limiting bead (230) is installed on the other end of the first extension plate (220).
3. A PE coated paper heat-sealable packaging bag based on water-based heat-seal adhesive according to claim 2, characterized in that: A second extension plate (320) is installed on the side wall of the second fixing bar (300), and a limiting hole (330) is provided at the position where the other end of the second extension plate (320) cooperates with the limiting bead (230).
4. A PE coated paper heat-sealable packaging bag based on water-based heat-seal adhesive according to claim 3, characterized in that: An air extraction hole (160) is provided on the side wall of one of the film layers (100), a cover plate (170) is hinged at the opening of the air extraction hole (160), a plug (180) is installed on the side wall of the cover plate (170), and the plug (180) is embedded in the interior of the air extraction hole (160).
5. The PE coated paper heat-sealable packaging bag based on water-based heat-seal adhesive according to claim 4, characterized in that: The film layer (100) comprises a laminated paper layer (110) and a polyethylene layer (120), and an adhesive layer (130) is provided between the laminated paper layer (110) and the polyethylene layer (120).
6. The PE coated paper heat-sealable packaging bag based on water-based heat-seal adhesive according to claim 5, characterized in that: A plurality of first protrusions (111) are installed on the side wall of the laminated paper layer (110) facing the polyethylene layer (120), and a plurality of second protrusions (121) are installed on the side wall of the polyethylene layer (120) facing the laminated paper layer (110), wherein the first protrusions (111) and the second protrusions (121) are arranged in an alternating manner.