Microwaveable pouch with easy tear ready-to-eat
Patent Information
- Application Number
- CN202521848989.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-29
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-08-29
AI Technical Summary
[0002]微波袋是目前常用的一种食品加热包装袋,目前常用的微波袋的结构如专利公告文献CN203682123U中所示,这种结构所示的微波袋是通过在袋体的封口处设置一个透气的孔,通过该可以透气的孔的存在,加热时可以让袋体的热气逸出,从而实现在加热时避免出现炸袋的现象,这种结构的微波袋虽然在加热时避免了炸袋现象的出现,但是由于该透气孔的存在,使得尘埃以及微生物容易通过该透气孔进入袋体内,从而不利于袋体内食品的保存
[0007] In summary, the composite film used to make this type of packaging bag is made of PE film and nylon film, and the laser-drilled hole of the packaging bag contains only PE film. The entire packaging bag is in a closed state when the laser-drilled hole is not punctured. When it is necessary to heat the contents of the packaging bag, the laser-drilled hole can be punctured with a sharp object. The bag will not explode during heating.
Smart Images

Figure CN224690846U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of microwave packaging equipment, and in particular to an easy-tear, ready-to-eat microwave packaging bag. Background Technology
[0002] Microwaveable bags are a commonly used type of food heating packaging bag. The structure of commonly used microwaveable bags is shown in patent publication document CN203682123U. This type of microwaveable bag has a vent hole at the sealed end of the bag. The presence of this vent hole allows hot air from the bag to escape during heating, thus preventing the bag from bursting. Although this structure of microwaveable bags avoids bursting during heating, the presence of this vent hole allows dust and microorganisms to easily enter the bag, which is detrimental to the preservation of the food inside the bag. Utility Model Content
[0003] To address the aforementioned problems, this utility model proposes an easy-tear, ready-to-eat microwaveable packaging bag. The composite film used to make the packaging bag is made of PE film and nylon film, and the laser-drilled hole on the packaging bag contains only PE film. When the laser-drilled hole is not punctured, the entire packaging bag is in a closed state. When it is necessary to heat the contents of the packaging bag, the laser-drilled hole can be punctured with a sharp object, and the bag will not explode during heating.
[0004] The technical solution adopted by this utility model is as follows: An easy-tear, ready-to-eat microwaveable packaging bag includes a composite film, which includes a nylon film and a PE film. The nylon film is disposed on one side of the PE film. The composite films are thermally bonded together to form a bag body. The bag body has multiple laser-drilled holes arranged in a straight line. Each laser-drilled hole contains only PE film.
[0005] This type of microwaveable packaging bag can be used to package liquid beverages such as eight-treasure porridge and milk. The main structure of the bag is made of composite film bonded together. The laser-drilled holes are formed by laser dotting. At the laser-drilled holes, the nylon film in the composite film is sintered, leaving the PE film exposed. The laser-drilled holes are easily punctured, but the entire composite film remains intact.
[0006] Therefore, the method of using this type of packaging bag is as follows: First, perforations are made in the nylon film, then the nylon film is laminated with PE to form a composite film, and then the composite film is used to make the packaging bag. When the packaging bag is first made, it is in an open state. After the materials (including but not limited to eight-treasure porridge and milk) are sealed inside the packaging bag, the packaging is complete. At this time, because the packaging bag is a closed bag, it can ensure that the materials inside the packaging bag have a relatively long storage time. When it is necessary to use microwave to heat the materials inside the packaging bag, a sharp object (including but not limited to a toothpick) can be used to puncture the laser-drilled holes to open the bag, so that the materials can be heated smoothly and the bag can be prevented from exploding.
[0007] In summary, the composite film used to make this type of packaging bag is made of PE film and nylon film, and the laser-drilled hole of the packaging bag contains only PE film. The entire packaging bag is in a closed state when the laser-drilled hole is not punctured. When it is necessary to heat the contents of the packaging bag, the laser-drilled hole can be punctured with a sharp object. The bag will not explode during heating.
[0008] Meanwhile, this type of packaging bag has multiple laser-drilled holes arranged in a line, which is equivalent to forming an easy-tear line on the bag body. After heating, it can be torn along the easy-tear line to form an opening.
[0009] Optionally, it may also include an adhesive strip, which is disposed on the outer wall of the bag and located on the nylon film.
[0010] The adhesive strip is located at one end of the easy-tear line. Its function is to adhere to one end of the easy-tear line, forming a barrier structure to prevent the opening from being too large when it is torn open.
[0011] Optionally, the adhesive strip is made of PE material.
[0012] PE adhesive strips can be directly heat-bonded onto nylon film. Optionally, a rigid PE plastic strip is also included, which is disposed on the inner wall of the bag body. The thickness of the rigid PE plastic strip is not less than 2 mm, and the rigid plastic strip does not contact the laser-drilled hole.
[0013] A PE plastic strip is installed and adhered to the inner wall of the bag (i.e., the PE film). The PE plastic strip serves two purposes: first, it separates the two composite films, preventing them from sticking together due to electrostatic effects; second, it stretches the opening formed after tearing, preventing it from collapsing and facilitating the insertion of the straw. Specifically, the rigid PE plastic strip is only adhered to one side of the inner bag wall.
[0014] Optionally, it also includes a clip, which is disposed on the outer wall of the bag body, and a clamping opening is formed between the clip and the outer wall of the bag body.
[0015] The purpose of setting the clip to form a clamping opening is to facilitate clamping sharp objects on the outer wall. Sharp objects include, but are not limited to, sharp objects resembling toothpicks.
[0016] Optionally, the clip is made of PE material.
[0017] Optionally, the clamping opening is trapezoidal in shape.
[0018] Optionally, the bag body has a flat bottom.
[0019] The flat bottom allows it to be placed directly in the microwave without the need for a bowl or cup to hold it.
[0020] Optionally, the thickness of the PE film is 40 micrometers to 50 micrometers, and the thickness of the nylon film layer is 15 micrometers to 20 micrometers.
[0021] The beneficial effects of this utility model are: the composite film used to make the packaging bag is made of PE film and nylon film, and there is only PE film at the laser-drilled hole of the packaging bag. The entire packaging bag is in a closed state when the laser-drilled hole is not punctured. When it is necessary to heat the contents of the packaging bag, the laser-drilled hole can be punctured with a sharp object. The bag will not explode during heating. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0023] Figure 1 This is a simplified structural diagram of the packaging bag; Figure 2 This is a schematic diagram of the shape of the tear line on the packaging bag.
[0024] The labels in the attached figures are as follows: 101, PE film; 102, nylon film; 2, edge heat bonding area; 3, laser countersunk hole; 4, top heat bonding area; 5, adhesive strip; 6, rigid PE plastic strip; 7, clip; 8, clamping hole; 9, bottom. Detailed Implementation
[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0027] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0028] As attached Figure 1 and appendix Figure 2 As shown, an easy-tear, ready-to-eat microwaveable packaging bag includes a composite film, which includes a nylon film 102 and a PE film 101. The nylon film 102 is disposed on one side of the PE film 101. The composite films are thermally bonded together to form a bag body. Laser-drilled holes 3 are provided on the bag body. There are multiple laser-drilled holes 3, which are arranged in a straight line. There is only one PE film 101 at each laser-drilled hole 3.
[0029] This type of microwaveable packaging bag can be used to package liquid beverages such as eight-treasure porridge and milk. The main structure of the bag is made of composite film bonded together. The laser-drilled holes 3 are formed by laser dotting. At these holes, the nylon film 102 in the composite film is sintered, leaving the PE film 101 exposed. The laser-drilled holes 3 are easily punctured, but the entire composite film remains intact.
[0030] Therefore, the method of using this type of packaging bag is as follows: First, perforations are made in the nylon film 102, and then the nylon film 102 is laminated with PE to form a composite film. The composite film is then used to make the packaging bag. The packaging bag is initially open. Once the materials (including but not limited to eight-treasure porridge and milk) are sealed inside the bag, the packaging is complete. Because the packaging bag is a closed bag, it ensures that the materials inside have a relatively long storage time. When it is necessary to heat the materials inside the packaging bag using microwaves, a sharp object (including but not limited to a toothpick) can be used to puncture the laser-drilled hole 3, thereby opening the bag and allowing for successful heating of the materials, preventing the bag from exploding.
[0031] In summary, the composite film used to make this type of packaging bag is made of PE film 101 and nylon film 102. The laser-drilled hole 3 of the packaging bag contains only PE film 101. The entire packaging bag is in a closed state when the laser-drilled hole 3 is not punctured. When it is necessary to heat the contents of the packaging bag, the laser-drilled hole 3 can be punctured with a sharp object. The bag will not explode during heating.
[0032] Meanwhile, this type of packaging bag has multiple laser-drilled holes 3 arranged in a line, which is equivalent to forming an easy-tear line on the bag body. After heating, it can be torn along the easy-tear line to form an opening.
[0033] As attached Figure 1 and appendix Figure 2 As shown, it also includes an adhesive strip 5, which is disposed on the outer wall of the bag body and is located on the nylon film 102.
[0034] Adhesive strip 5 is located at one end of the easy-tear line. The function of adhesive strip 5 is to adhere to one end of the easy-tear line to form a barrier structure, so as to prevent the opening from being too large when it is torn open.
[0035] As attached Figure 1 and appendix Figure 2 As shown, adhesive strip 5 is made of PE material.
[0036] The PE adhesive strip 5 can be directly heat-bonded onto the nylon film 102. As attached Figure 1 and appendix Figure 2 As shown, it also includes a rigid PE plastic strip 6, which is set on the inner wall of the bag body. The thickness of the rigid PE plastic strip 6 is not less than 2 mm, and the rigid PE plastic strip does not contact the laser-drilled hole 3.
[0037] A PE plastic strip is provided and adhered to the inner wall of the bag (i.e., PE film 101). The PE plastic strip serves two purposes: first, it separates the two composite films, preventing them from adhering together due to electrostatic effects; second, it expands the opening formed after tearing, preventing it from collapsing and facilitating the insertion of the straw (as shown in the attached image). Figure 2 (As shown in the diagram). Specifically, the rigid PE plastic strip 6 is only bonded to one side of the inner bag wall. The two ends of the rigid PE plastic strip 6 are respectively bonded to the edge heat-bonded area 2 and the top heat-bonded area 4. Figure 1 The shaded area with the diagonal line is the bonding area of the composite film.
[0038] Appendix Figure 2 The structure shown in the image has laser-drilled holes 3 on both sides. In actual use, laser-drilled holes 3 can also be opened on only one side of the composite membrane.
[0039] As attached Figure 1 and appendix Figure 2 As shown, it also includes a clip 7, which is disposed on the outer side wall of the bag body, and a clamping opening is formed between the clip 7 and the outer wall of the bag body.
[0040] The purpose of setting the clip 7 to form a clamping opening is to facilitate clamping sharp objects on the outer wall. Sharp objects include, but are not limited to, sharp objects resembling toothpicks.
[0041] As attached Figure 1 and appendix Figure 2 As shown, clip 7 is made of PE material.
[0042] As attached Figure 1 and appendix Figure 2 As shown, the clamping opening is trapezoidal in shape.
[0043] As attached Figure 1 and appendix Figure 2 As shown, the bag has a flat bottom 9.
[0044] The flat bottom 9 allows it to be placed directly in a microwave oven without the need for a bowl or cup to hold the packaging bag.
[0045] As attached Figure 1 and appendix Figure 2 As shown, the thickness of the PE film 101 is 40 micrometers to 50 micrometers, and the thickness of the nylon film 102 layer is 15 micrometers to 20 micrometers.
[0046] The above-described embodiments only illustrate some aspects of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 easy-tear, ready-to-eat microwaveable packaging bag, comprising a composite film, said composite film comprising a nylon film and a PE film, said nylon film being disposed on one side of the PE film, said composite film being thermally bonded together to form a bag body, characterized in that, The bag body has laser-drilled holes, and there are multiple laser-drilled holes arranged in a straight line. There is only PE film at each laser-drilled hole.
2. The microwaveable packaging bag for easy tearing and ready-to-eat food according to claim 1, characterized in that, It also includes an adhesive strip, which is disposed on the outer wall of the bag body and located on the nylon film.
3. The easy-tear, ready-to-eat microwave packaging bag according to claim 2, characterized in that, The adhesive strip is made of PE material.
4. The easy-tear, ready-to-eat microwave packaging bag according to claim 1, characterized in that, It also includes a rigid PE plastic strip, which is set on the inner wall of the bag body. The thickness of the rigid PE plastic strip is not less than 2 mm, and the rigid PE plastic strip does not contact the laser-drilled hole.
5. The easy-tear, ready-to-eat microwave packaging bag according to claim 1, characterized in that, It also includes a clip, which is disposed on the outer wall of the bag body, and a clamping opening is formed between the clip and the outer wall of the bag body.
6. The easy-tear, ready-to-eat microwave packaging bag according to claim 5, characterized in that, The clip is made of PE material.
7. The easy-tear, ready-to-eat microwave packaging bag according to claim 5, characterized in that, The clamping opening is trapezoidal in shape.
8. The easy-tear, ready-to-eat microwave packaging bag according to claim 1, characterized in that, The bag has a flat bottom.
9. The easy-tear, ready-to-eat microwave packaging bag according to claim 1, characterized in that, The thickness of the PE film is 40 micrometers to 50 micrometers, and the thickness of the nylon film layer is 15 micrometers to 20 micrometers.
Citation Information
Patent Citations
Microwave bag for containing food
CN203682123U