Linear packaging bag easy to tear

Abstract

The utility model discloses a linear easy-to-tear packaging bag which comprises a bag piece, part of areas of the bag piece are bonded together to form a bag body, the bag body is provided with a bag opening, an easy-to-tear opening is arranged on the bag body, the linear easy-to-tear packaging bag further comprises a plurality of semi-cylindrical guiding strips, planes of the guiding strips are bonded together with the bag piece, and the guiding strips are arranged on the bag piece. The bag piece is provided with a plurality of guide strips, all the guide strips are located in the bag body, at least two parallel guide strips are arranged on each bag piece, the easy-to-tear opening is located between the two parallel guide strips, and the easy-to-tear opening is a linear easy-to-tear opening and is parallel to the guide strips. The packaging bag has the following beneficial effects that the guide strip is arranged on the inner wall of the bag body and can ensure that the tearing opening of the bag is flush with the guide strip in the tearing process, and the whole bag body cannot be torn thoroughly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of packaging material especially relates to a linear easy-to-tear packaging bag. BACKGROUND

[0002] At present, in order to facilitate the user to tear, all will set up an easy-to-tear opening in the edge sealing of bag, tear the packaging bag through the easy-to-tear opening when needing to open the packaging bag, the structure of the packaging bag with easy-to-tear opening can refer to the patent announcement document CN211309410U, there is a problem in the tear of the packaging bag shown in this structure, that is, the packaging bag of this structure is not easy to tear the tear opening of the bag into a flat tear opening in the process of tearing along the easy-to-tear opening, and if the speed is too fast in the tearing process, the bag can be completely torn. UTILITY MODEL CONTENTS

[0003] The utility model provides a linear easy-to-tear packaging bag, sets up the guide strip on the inner wall of the bag body, and the guide strip can ensure that the tear opening of the bag is flush with the guide strip in the tearing process, and the whole bag body is not completely torn.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A linear easy-to-tear packaging bag, including bag piece, the bag piece partial area is bonded together and forms bag body, the bag body has bag mouth, the bag body is provided with easy-to-tear opening, still include a plurality of guide strips, the guide strip is semicylindrical guide strip, the plane of guide strip is bonded together with bag piece, and all guide strips are located in the bag body, and at least two parallel guide strips are provided on the bag piece of each piece, and the easy-to-tear opening is located between the two parallel guide strips, the easy-to-tear opening is the easy-to-tear opening of '' one '' type, and the easy-to-tear opening is parallel to the guide strip.

[0006] In this kind of packaging bag, the easy-to-tear opening adopts the easy-to-tear opening of '' one '' type, and the easy-to-tear opening of '' one '' type is more difficult to tear than the traditional '' V '' '' U '' easy-to-tear opening, can make the bag not easy to accidentally tear in the transportation or storage process.Simultaneously in this kind of bag, the bag body is formed by two bag pieces hot bonding together, and the guide strip is set on the inner wall of the bag body (i.e.on each bag piece) by hot melt bonding, and the existence of the guide strip can ensure that the tear opening on each bag piece is located between the two guide strips when tearing, so the packaging bag due to the existence of the guide strip can limit the tearing process, ensure that the tear opening formed in the tearing process is flush with the guide strip, and the whole bag body is not completely torn.

[0007] Meanwhile, the guiding strip is arranged on the inner wall of the bag body, and the guiding strip can ensure that the tearing opening of the bag is flush with the guiding strip during tearing, and the whole bag body cannot be torn completely.

[0008] Optionally, the guiding strip is made of PE or PP.

[0009] In the manufacturing process of the packaging bag, the guiding strip is first adhered to the bag piece, and then the bag piece is heat sealed to form the bag body, and

[0010] Optionally, the extrusion type clamping chain is arranged in the bag body and located between the guiding strip and the bag bottom.

[0011] For the bag body that needs to be sealed again after tearing, the extrusion type clamping chain is arranged on the bag body and located between the guiding strip and the bag bottom, so that the extrusion type clamping chain is not damaged during tearing.

[0012] When the extrusion type clamping chain needs to be arranged for sealing, the clamping chain and the guiding strip are first heat adhered to the bag piece, and then the bag piece is heat sealed to form the bag body.

[0013] Optionally, the bag piece comprises a printing film layer, an aluminum foil layer and a heat sealing film layer, the aluminum foil layer is arranged between the printing film layer and the heat sealing film layer, and a nylon film layer is arranged between the heat sealing film layer and the aluminum foil layer.

[0014] Optionally, an ink layer is arranged on the printing film layer, the ink layer and the aluminum foil layer are provided with a first glue adhering layer, the thickness of the ink layer is 2 um, and the thickness of the first glue adhering layer is 2 um.

[0015] Optionally, the aluminum foil layer and the nylon film layer are provided with a second glue adhering layer, the nylon film layer and the heat sealing film layer are provided with a third glue adhering layer, the thickness of the second glue adhering layer is 2 um, and the thickness of the third glue adhering layer is 2 um.

[0016] Optionally, the printing film layer comprises a PET film.

[0017] Optionally, the heat sealing film layer comprises a PE film or a PP film.

[0018] Optionally, the thickness of the printing film layer is 15 um, the thickness of the aluminum foil layer is 7 um, the thickness of the nylon film layer is 15 um, and the thickness of the heat sealing film layer is 65 um.

[0019] The packaging bag has the advantages that the guiding strip is arranged on the inner wall of the bag body, and the guiding strip can ensure that the tearing opening of the bag is flush with the guiding strip during tearing, and the whole bag body cannot be torn completely. Attached Figure Description

[0020] 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.

[0021] Figure 1 This is a schematic diagram showing the positional relationship between the guide strip and the tear-off opening on the bag panel;

[0022] Figure 2 This is a schematic diagram showing the composite positions of the various film layers in the bag sheet.

[0023] The labels in the attached figures are as follows: 1. Bag flap; 101. Tear-off opening; 102. Heat-sealing area; 2. Guide strip; 3. Chain; 11. Printed film layer; 12. Ink layer; 13. First adhesive layer; 14. Aluminum foil layer; 15. Second adhesive layer; 16. Nylon film layer; 17. Third adhesive layer; 18. Heat-sealing film layer. Detailed Implementation

[0024] 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.

[0025] 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.

[0026] 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.

[0027] As attached Figure 1 and appendixFigure 2 As shown, a straight-line easy-tear packaging bag includes a bag sheet 1, with a portion of the bag sheet 1 bonded together to form a bag body. The bag body has a bag opening and an easy-tear opening 101. It also includes several guide strips 2, which are semi-cylindrical in shape. The plane of the guide strips 2 is bonded to the bag sheet 1, and all the guide strips 2 are located inside the bag body. Each bag sheet 1 has at least two parallel guide strips 2, and the easy-tear opening 101 is located between the two parallel guide strips 2. The easy-tear opening 101 is a straight "I" shaped easy-tear opening 101, which is parallel to the guide strips 2.

[0028] In this type of packaging bag, the tear opening 101 adopts an "I"-shaped tear opening 101. The "I"-shaped tear opening 101 is more difficult to tear than the traditional "V" or "U" tear openings 101, making the bag less prone to accidental tearing during transportation or storage. Additionally, in this type of bag, the bag body consists of two pieces as attached... Figure 1 The bag sheet 1 shown is heat-bonded (with) Figure 1 The shaded area in the image is the heat-sealing area 102 of each bag piece 1. The heat-sealing areas 102 of two bag pieces 1 are heat-bonded together, and the easy-tear opening 101 is also located at the heat-sealing area 102. Guide strips 2 are set on the inner wall of the bag body (i.e., on each bag piece 1) by heat fusion bonding. The presence of guide strips 2 can ensure that the tear on each bag piece 1 is located between the two guide strips 2 when it is torn. Therefore, due to the presence of guide strips 2, this type of packaging bag can restrict the tearing process and ensure that the tear formed during the tearing process is flush with the guide strips 2, and will not completely tear the entire bag body.

[0029] Meanwhile, in this type of packaging bag, a guide strip 2 is provided on the inner wall of the bag body. The guide strip 2 can ensure that the tear opening of the bag is flush with the guide strip 2 during the tearing process, so as not to completely tear the entire bag body.

[0030] As attached Figure 1 and appendix Figure 2 As shown, guide strip 2 is made of PE material or PP material.

[0031] Specifically, in the manufacturing process of this type of packaging bag, the guide strip 2 is first glued to the bag sheet 1, and then the bag sheets 1 are heat-sealed together to form the bag body.

[0032] As attached Figure 1 and appendix Figure 2 As shown, it also includes a squeeze-type zipper 3, which is disposed inside the bag and is located between the guide strip 2 and the bottom of the bag.

[0033] For bags that need to be resealed after being torn open, a compression zipper 3 can be installed on the bag body, and the compression zipper 3 should be positioned between the belt strip and the bottom of the bag, so that the compression zipper 3 will not be damaged during the tearing process.

[0034] When it is necessary to set the extrusion-type zipper 3 for sealing, the zipper 3 and guide strip 2 can be heat-bonded onto the bag sheet 1 first, and then the bag sheet 1 can be heat-sealed together to form a bag body. After the bag body is prepared, the easy-tear opening 101 can be opened by cutting.

[0035] As attached Figure 1 and appendix Figure 2 As shown, the bag sheet 1 includes a printed film layer 11, an aluminum foil layer, and a heat-sealing film layer 18. The aluminum foil layer is disposed between the printed film layer 11 and the heat-sealing film layer 18, and a nylon film layer 16 is disposed between the heat-sealing film layer 18 and the aluminum foil layer.

[0036] When the bag is made, the heat-sealing film layers 18 of the two bag pieces 1 are bonded together.

[0037] As attached Figure 1 and appendix Figure 2 As shown, an ink layer 12 is provided on the printed film layer 11, and a first adhesive bonding layer is provided between the ink layer 12 and the aluminum foil layer. The thickness of the ink layer 12 is 2 μm, and the thickness of the first adhesive bonding layer is 2 μm.

[0038] As attached Figure 1 and appendix Figure 2 As shown, a second adhesive layer 15 is provided between the aluminum foil layer and the nylon film layer 16, and a third adhesive layer 17 is provided between the nylon film layer 16 and the heat-sealing film layer 18. The thickness of the second adhesive layer 15 is 2 μm, and the thickness of the third adhesive layer 17 is 2 μm.

[0039] As attached Figure 1 and appendix Figure 2 As shown, the printed film layer 11 includes a PET film.

[0040] As attached Figure 1 and appendix Figure 2 As shown, the heat-sealing film layer 18 includes a PE film or a PP film.

[0041] As attached Figure 1 and appendix Figure 2 As shown, the thickness of the printed film layer 11 is 15 μm, the thickness of the aluminum foil layer is 7 μm, the thickness of the nylon film layer 16 is 15 μm, and the thickness of the heat-sealing film layer 18 is 65 μm.

[0042] 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. A straight-line easy-tear packaging bag, comprising a bag sheet, wherein a portion of the bag sheet is bonded together to form a bag body, the bag body having a bag opening, and an easy-tear opening provided on the bag body, characterized in that, It also includes several guide strips, which are semi-cylindrical guide strips. The plane of the guide strips is bonded to the bag sheet, and all the guide strips are located inside the bag. Each bag sheet has at least two parallel guide strips, and the easy-tear opening is located between the two parallel guide strips. The easy-tear opening is a straight "I" shaped easy-tear opening, which is parallel to the guide strips.

2. The straight-line easy-tear packaging bag according to claim 1, characterized in that, The guide strip is made of PE material or PP material.

3. The straight-line easy-tear packaging bag according to claim 1, characterized in that, It also includes a squeeze-type zipper, which is disposed inside the bag and located between the guide strip and the bottom of the bag.

4. A straight-line easy-tear packaging bag according to claim 1, characterized in that, The bag sheet includes a printed film layer, an aluminum foil layer, and a heat-sealing film layer. The aluminum foil layer is disposed between the printed film layer and the heat-sealing film layer, and a nylon film layer is disposed between the heat-sealing film layer and the aluminum foil layer.

5. A straight-line easy-tear packaging bag according to claim 4, characterized in that, An ink layer is provided on the printed film layer, and a first adhesive bonding layer is provided between the ink layer and the aluminum foil layer. The thickness of the ink layer is 2 μm, and the thickness of the first adhesive bonding layer is 2 μm.

6. A straight-line easy-tear packaging bag according to claim 4, characterized in that, A second adhesive layer is provided between the aluminum foil layer and the nylon film layer, and a third adhesive layer is provided between the nylon film layer and the heat-sealing film layer. The thickness of the second adhesive layer is 2 μm, and the thickness of the third adhesive layer is 2 μm.

7. A straight-line easy-tear packaging bag according to claim 4, characterized in that, The printed film layer includes a PET film.

8. A straight-line easy-tear packaging bag according to claim 4, characterized in that, The heat-sealable film layer includes a PE film or a PP film.

9. A straight-line easy-tear packaging bag according to claim 4, characterized in that, The thickness of the printed film layer is 15µm, the thickness of the aluminum foil layer is 7µm, the thickness of the nylon film layer is 15µm, and the thickness of the heat-sealing film layer is 65µm.

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