An environmentally friendly and biodegradable tea packaging paper bag
By incorporating a paper sheet and an oval-shaped perforated handle structure on the inner wall of the tea packaging paper bag, the problem of paper bag tearing caused by the handle structure is solved, achieving both durability and safety of environmentally friendly and biodegradable tea packaging paper bags.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN PACKAGING
- Filing Date
- 2025-10-09
- Publication Date
- 2026-08-04
AI Technical Summary
The handle structure of existing tea packaging paper bags is prone to causing holes in the surface of the paper bag, affecting its appearance, and it is also easy to tear during the lifting process, reducing its service life.
The paper bag body has a paper sheet on the inner wall with an oval perforation design. It is connected to the handle rope with a rigid rope end to form an anti-drop structure. The stability of the paper sheet is enhanced by a tension piece and a reinforcing strip to prevent punching and tearing.
Maintaining the integrity of the paper bag surface reduces the risk of tearing, improves service life and safety, while lowering production costs and meeting environmental protection and biodegradability requirements.
Smart Images

Figure CN224589700U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of tea packaging technology, and in particular relates to an environmentally friendly and biodegradable tea packaging paper bag. Background Technology
[0002] Currently, most tea on the market is sold in small tea bags. Typically, multiple tea bags are first placed in a tea canister, which is then placed inside a paper bag for easy carrying. Paper bags are inexpensive, simple to produce, and aesthetically pleasing, making them popular with consumers.
[0003] Patent CN220563272U discloses an anti-mold tea paper bag, including a paper bag body, a handle, and an anti-mold structure. This invention incorporates an anti-mold structure within the paper bag body. Anti-mold and antibacterial agents are filled into non-woven fabric bags containing different aromatic structures. The non-woven fabric bag and its anti-mold agent can be replaced by pulling open the sealing mesh, facilitating the recycling of the paper bag and reducing the frequency of replacement, thus promoting energy conservation and environmental protection. Furthermore, a portion of the paper bag's interior can contain an aromatherapy agent, providing the tea bags with corresponding fragrances to meet various user needs and broadening the application range of the tea paper bag.
[0004] The basic structure of existing tea packaging paper bags is mostly consistent with the structure in the aforementioned patent, especially the connection method between the handle and the main body of the paper bag. The handle is basically made of rope, with both ends of the rope passing through the outside of the main body of the paper bag to the inside. The nylon part at the end of the rope forms an anti-slip structure. Although this type of handle meets the needs of hand carrying, it has some drawbacks, such as: it requires pre-punching holes in the main body of the paper bag, which affects the integrity of the paper bag surface and imposes certain constraints on its graphic printing; secondly, during the lifting process, the rope exerts a squeezing force on the top of the perforation on the surface of the paper bag, which is prone to tearing and causing the top of the paper bag to break. After the breakage, the entire paper bag can no longer be used. Utility Model Content
[0005] This invention provides an environmentally friendly and biodegradable tea packaging paper bag, which can effectively solve the above-mentioned problems.
[0006] This utility model is implemented as follows:
[0007] An environmentally friendly and biodegradable tea packaging paper bag includes a paper bag body. Paper pieces are respectively provided on the left and right inner walls of the paper bag body at the top opening. Each paper piece includes a connecting part that is fixed to the inner wall of the paper bag body. A free end is provided below the connecting part. The bottom of the free end is separate from the inner wall of the paper bag body. At least two horizontally spaced perforations are provided on the free end. A handle rope is detachably connected to the perforation. The perforation is an elliptical through-hole structure with a horizontal orientation along its length. The two ends of the handle rope have rope heads that are adapted to the contour of the perforation. The rope heads are rigid structures and can work with the handle rope to form an anti-drop structure inside the perforation. When the handle rope is pulled up after being inserted, it can cause the bottom of the free end to rise towards the center, forming a limiting structure at the opening of the paper bag body.
[0008] Based on the above technical solution, the handles on the same side form an "n" shape above the main body of the paper bag.
[0009] Based on the above technical solution, the rope head is a flat block structure with an elliptical cross-sectional profile. The rope head is provided with a snap-fit part near the end of the handle rope. The connection between the snap-fit part and the main structure of the rope head is used to connect the end of the handle rope.
[0010] Based on the above technical solution, a tension tab is provided on both sides of the perforation, and the tension tab is connected between the inner wall of the paper bag body and the paper sheet.
[0011] Based on the above technical solution, one end of the pull tab along the length direction is attached to the inner wall of the paper bag body, and the other end along the length direction of the pull tab is attached to the side of the paper sheet near the inner wall of the paper bag body. The middle part of the pull tab can form a longitudinal folding structure.
[0012] Based on the above technical solution, a reinforcing strip is provided on the side plate of the free end near the main body of the paper bag. The reinforcing strip covers each perforation laterally, and the reinforcing strip has through holes at the corresponding perforation positions.
[0013] Based on the above technical solution, the connecting part is bonded to the inner wall of the paper bag body with glue.
[0014] The beneficial effects of this utility model are:
[0015] 1. This utility model utilizes a specially designed paper sheet on the inner wall of the opening of the paper bag body. The perforation for the handle is located on this paper sheet, avoiding the need for drilling holes in the paper bag body. This maintains the integrity of the paper bag surface and provides better conditions for printing patterns. Simultaneously, the absence of stress concentration caused by drilling reduces the risk of the top of the paper bag breaking during lifting, thus improving the bag's durability.
[0016] 2. In this utility model, the free end of the paper will rise inward after being pulled up, forming a limiting structure at the opening of the paper bag body. This limits and constrains the outer end of the tea packaging box inside the paper bag body, making its installation more stable and safe, and preventing it from falling out easily.
[0017] 3. The tea packaging paper bag of this utility model has a simple structure and is relatively easy to manufacture. The connection between the various components is simple and reliable, requiring no complex processing equipment or technology, which can reduce production costs and improve production efficiency. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the structure of an environmentally friendly and biodegradable tea packaging paper bag in one embodiment;
[0020] Figure 2 yes Figure 1 A sectional view;
[0021] Figure 3 yes Figure 2 A magnified view of part A in the image;
[0022] Figure 4 yes Figure 2 Schematic diagram of the structural changes at the middle rope end;
[0023] Figure 5 This is a schematic diagram of the structure when the rope end is threaded through a hole;
[0024] Figure 6 This is a schematic diagram showing the distribution of the tension plates in one embodiment;
[0025] Figure 7 yes Figure 6 Side view of the installation location of the tensioning plate;
[0026] Figure 8 This is a schematic diagram showing the distribution of the reinforcing strips in one embodiment.
[0027] Figure label:
[0028] 100-Paper bag body; 110-Bag opening; 200-Paper piece; 210-Connecting part; 220-Free end; 230-Perforation; 240-Tightening piece; 250-Reinforcing strip; 300-Handle rope; 310-Rope end; 311-Snap-fit part; 400-Tea packaging box. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model.
[0030] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0031] Example 1: Refer to Figures 1 to 5 As shown, this embodiment discloses an environmentally friendly and biodegradable tea packaging paper bag, which aims to effectively solve the problems existing in the handle structure of the existing tea packaging paper bag, while maintaining the environmentally friendly and biodegradable characteristics of the paper bag, and improving the practicality and reliability of the tea packaging paper bag.
[0032] like Figure 1 As shown, the environmentally friendly and biodegradable tea packaging paper bag specifically includes a paper bag body 100, which is a conventional rectangular bag structure made of kraft paper. The top of the paper bag body is the bag opening 110, and paper pieces 200 are provided on the left and right sides of the bag opening 110. A handle rope 300 is connected to the paper piece 200. The handle rope 300 is made of cotton rope and is used for the carrier to carry.
[0033] Combination Figure 3 The paper sheet 200 includes a connecting portion 210 that is fixedly connected to the inner wall of the paper bag body 100. The connecting portion 210 is bonded to the inner wall of the paper bag body 100 with adhesive. This connection method is simple and reliable, ensuring a stable connection between the paper sheet 200 and the paper bag body 100. The adhesive bonding does not cause significant damage to the paper bag body 100, while providing sufficient adhesive force to prevent the paper sheet 200 from falling off during normal use.
[0034] Below the connecting part 210 is a free end 220. The bottom of the free end 220 is separate from the inner wall of the paper bag body 100, while the top of the free end 220 is connected to the connecting part 210, forming an integrated structure. It should be noted that the front and rear sides of the free end 220 are also glued and fixed to the paper bag body 100. This separate design allows the free end 220 a certain amount of room to move, enabling it to deform under the action of the handle rope 300. The free end 220 has two horizontally spaced perforations 230, which are elliptical through-holes arranged horizontally along their length. Compared to traditional circular through-holes, the elliptical design better adapts to the shape and stress of the handle rope 300, reducing friction within the perforations and improving user comfort.
[0035] The handle rope 300 has rope ends 310 at both ends that are adapted to the contour of the perforations 230. The rope ends 310 are rigid structures made of biodegradable plastic. Figure 4 As shown, specifically, the rope end 310 has a flat, block-like structure with an elliptical cross-sectional profile, a shape that matches the shape of the perforation 230 (e.g., Figure 5 As shown, the rope end 310 can be better embedded in the perforation 230. A snap-fit part 311 is provided at the end of the rope end 310 near the handle rope 300. The connection between the snap-fit part 311 and the main structure of the rope end 310 is used to connect the end of the handle rope 300. The snap-fit part 311 design allows for easy connection and disassembly of the handle rope 300 and the rope end 310, while also ensuring a secure connection. By setting a flat, block-like structure for the rope end 310, it can be relatively flatly clamped in the gap between the paper bag body 100 and the paper piece 200, preventing excessive bulging of the paper piece 200 inside the rope end 310. Compared to the traditional round handle structure, this new structure reduces obstruction when inserting and removing the tea packaging box 400 inside the paper bag, and also increases the contact area between the knot and the paper piece 200 after snapping. This helps optimize the stress distribution, reduces the local pulling force on the paper piece 200 during lifting, and thus helps protect the structural safety and stability of the paper piece 200.
[0036] Using the snap-fit part 311, the rope end 310 can work in conjunction with the handle rope 300 to form an anti-detachment structure inside the perforation 230. After the handle rope 300 passes through the perforation 230, the rigid structure of the rope end 310 can be snapped into place inside the perforation 230, preventing the handle rope 300 from falling out of the perforation 230. This anti-detachment structure does not require additional parts, is simple in structure, easy to manufacture, and can effectively ensure the connection stability between the handle rope 300 and the paper sheet 200.
[0037] Combination Figure 2 and Figure 3As shown, pulling the threaded handle rope 300 upwards causes the bottom of the free end 220 to rise towards the center, forming a limiting structure at the opening of the paper bag body 100. During the pulling process, the handle rope 300 applies an upward pulling force to the free end 220, causing the bottom of the free end 220 to rise. This limiting structure is simple and effective, improving the safety of the tea packaging. Specifically, after being pulled, the free end 220 of the paper sheet 200 rises inwards, forming a limiting structure at the opening of the paper bag body 100. This limits and restrains the outer end of the tea packaging box 400 inside the paper bag body 100, making its installation more stable and secure, preventing it from easily falling out.
[0038] The handle straps 300 located on the same side form an "n" shape above the paper bag body 100. This "n" shape makes it easy for the user to carry, and it can also distribute the force when pulling, reducing local pressure on the paper bag body 100.
[0039] Example 2: Based on Example 1, combined with Figure 6 As shown, in this embodiment, pull tabs 240 are provided on both sides of the perforation 230. The pull tabs 240 are made of paper material and are connected between the inner wall of the paper bag body 100 and the paper sheet 200. One end of the pull tab 240 in the longitudinal direction is attached to the inner wall of the paper bag body 100, and the other end of the pull tab 240 in the longitudinal direction is attached to the side of the paper sheet 200 near the inner wall of the paper bag body 100. Figure 7 As shown, the middle part of the pull tab 240 can form a longitudinal folding structure. The function of the pull tab 240 is to share the pulling force of the handle rope 300 on the paper 200 during the lifting process, to prevent the paper 200 from tearing due to excessive force, and to limit the upward tilt of the free end 220 to prevent excessive flipping.
[0040] Example 3: Based on Example 1, combined with Figure 8 As shown, in this embodiment, a reinforcing strip 250 is provided on the side plate of the free end 220 near the paper bag body 100. The reinforcing strip 250 is also made of paper material. The reinforcing strip 250 laterally covers each perforation 230, and the reinforcing strip 250 has through holes at the corresponding perforations 230. The function of the reinforcing strip 250 is to enhance the strength at the perforations 230, prevent the perforations 230 from expanding or tearing due to long-term stress, and also improve the lateral tensile strength of the paper sheet 200, so that when pulled by the handle rope 300, the tensile force is distributed across the lateral areas, thereby protecting the structure at the perforations 230. The through holes are designed so as not to affect the insertion of the handle rope 300, while ensuring that the reinforcing strip 250 can fully exert its reinforcing function.
[0041] With increasing environmental awareness, the demand for environmentally friendly products is growing. This utility model's tea packaging paper bag is made from environmentally friendly and biodegradable materials, aligning with market trends. Furthermore, this paper bag addresses the problems of existing tea packaging paper bags, offering advantages such as high practicality and ease of manufacture. It improves the quality and safety of tea packaging, meeting consumers' demand for high-quality tea packaging. Therefore, this product has broad market prospects and is expected to capture a significant share of the tea packaging market.
[0042] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. An environmentally friendly and biodegradable tea packaging paper bag, characterized in that, The system includes a paper bag body (100), on which paper pieces (200) are respectively provided on the left and right inner walls at the top opening. Each paper piece (200) includes a connecting part (210) that is fixed to the inner wall of the paper bag body (100). A free end (220) is provided below the connecting part (210). The bottom of the free end (220) is separate from the inner wall of the paper bag body (100). The free end (220) is provided with at least two transversely spaced perforations (230). The perforations (230) are detachable. The bag is connected with a handle rope (300). The perforation (230) is an elliptical through hole structure that is horizontally oriented in the length direction. The handle rope (300) has rope ends (310) at both ends that are adapted to the contour of the perforation (230). The rope ends (310) are rigid structures. The rope ends (310) can work together with the handle rope (300) to form an anti-drop structure on the inner side of the perforation (230). When the handle rope (300) is pulled up after being threaded, it can drive the bottom of the free end (220) to rise towards the center, forming a limiting structure at the opening of the paper bag body (100).
2. The environmentally friendly and biodegradable tea packaging paper bag according to claim 1, characterized in that, The handle (300) located on the same side forms an "n" shape above the paper bag body (100).
3. The environmentally friendly and biodegradable tea packaging paper bag according to claim 1, characterized in that, The rope end (310) is a flat block structure with an elliptical cross-sectional profile. The rope end (310) has a snap-fit part (311) near the end of the handle rope (300). The snap-fit part (311) is connected to the main structure of the rope end (310) at the connection point to connect the end of the handle rope (300).
4. The environmentally friendly and biodegradable tea packaging paper bag according to claim 1, characterized in that, The perforation (230) is provided with a pull tab (240) on both sides of the transverse direction. The pull tab (240) is connected between the inner wall of the paper bag body (100) and the paper sheet (200).
5. The environmentally friendly and biodegradable tea packaging paper bag according to claim 4, characterized in that, One end of the pull tab (240) along its length is attached to the inner wall of the paper bag body (100), and the other end of the pull tab (240) along its length is attached to the side of the paper piece (200) near the inner wall of the paper bag body (100). The middle part of the pull tab (240) can form a longitudinal folding structure.
6. The environmentally friendly and biodegradable tea packaging paper bag according to claim 1, characterized in that, The free end (220) is provided with a reinforcing strip (250) on the side plate near the paper bag body (100). The reinforcing strip (250) covers each perforation (230) laterally, and the reinforcing strip (250) is provided with a through hole at the corresponding perforation (230).
7. The environmentally friendly and biodegradable tea packaging paper bag according to claim 1, characterized in that, The connecting part (210) is bonded to the inner wall of the paper bag body (100) by adhesive.