TWI705031B - Sealing structure of clip chain bag - Google Patents

Abstract

A sealing structure of clip chain bag, which includes a bag body having a first inner wall and a second inner wall, one end of the first inner wall is connected to one end of the second inner wall to form a fusion zone, a male buckle chain structure disposed at the first inner wall and has two opposite ends, and a female buckle chain structure disposed at the second inner wall, can be separated from or connected to the male buckle chain structure under the action of an external force, and has two opposite ends, the adjacent ends of the female and male buckle chain structures are melted and connected with each other to form a fusion section, so as to strengthen the sealing, so that the contents in the chain bag can be preserved for a long time, achieving the purpose of preventing the deterioration and moisture of the contents.

Description

Zipper bag sealing structure

The present invention relates to a sealing structure, and particularly relates to a zipper bag sealing structure.

Please refer to Figure 1, which is a perspective view of the conventional zipper bag. Generally, the zipper bag includes a first inner side 1, a second inner side 2, a first zipper body 3 arranged on the first inner side 1, and a second clip provided on the second inner side 2. The chain body 4, when the first clip chain body 3 and the second clip chain body 4 are linked together, the content (such as coffee, tea, Chinese medicinal materials, biscuits, etc.) can be sealed and kept fresh, thereby avoiding the content Moisture and other conditions occur.

However, when the first clip chain body 3 is linked with the second clip chain body 4, the degree of adhesion is quite insufficient. The adjacent end of the first clip chain body 3 and the end of the second clip chain body 4 are not Connected to each other, there is still a gap 5, which cannot achieve a better sealing effect, causing the content to still be in contact with the outside air, and the content will be more susceptible to moisture due to the entry of air, which may breed bacteria In the body of the zipper bag, sometimes a musty smell may appear after being left for too long, and the contents may be stored for a short time and accelerated deterioration and spoilage. As a result, the contents cannot be maintained in a good edible State, for people to eat at ease.

Therefore, how to solve the above-mentioned problems and deficiencies is the direction that the creators of the present invention and related industries engaged in this direction urgently want to study and improve.

The purpose of the present invention is to provide a zipper bag sealing structure, which is mainly to strengthen its sealing, so that the content in the zipper bag has a longer storage time, and can achieve the purpose of preventing the content from deteriorating and preventing the content from being damp. .

The reason is that, in order to achieve the foregoing objective, a zipper bag sealing structure provided according to the present invention includes:

A bag having a first inner side wall and a second inner side wall facing the first inner side wall, one end of the first inner side wall and one end of the second inner side wall are connected to each other to form a welding zone;

A male buckle clip chain structure arranged on the first inner side wall and having two opposite male buckle ends; and

A female buckle clip chain structure is arranged on the second inner side wall and can be separated or linked with the male buckle clip chain structure under an external force, and has two opposite female buckle ends;

Wherein, the adjacent ends of the female buckle and the end of the male buckle are welded together to form an integral welding section located in the welding zone.

Preferably, the male buckle clip chain structure further has a male buckle convex bar, and the female buckle clip chain structure further has two female buckle convex bars and a chain clip groove located between the two female buckle convex bars. When the male buckle clip chain structure and the female buckle clip chain structure are linked to each other, the male buckle protruding bar is buckled in the clip chain groove.

Preferably, the thickness of the welding section is between 1 mm and 5 mm.

Preferably, the material of the male buckle clip chain structure and the female buckle clip chain structure is polypropylene (PP), polyethylene (PE), or polyethylene terephthalate (PET).

Preferably, the welding section is welded in the welding zone by ultrasonic welding.

Therefore, the present invention proposes a zipper bag sealing structure, which is mainly composed of the bag body, the male buckle clip chain structure, and the female buckle clip chain structure. The feature is that the adjacent female buckle ends and the male buckle The ends of the buckle are welded into one body to form an integrated weld and the welded section located in the welded area, and the welded section is used to make up for the lack of conventional gaps, thereby strengthening the sealing structure of the zipper bag and effectively preventing the contents from being damp And to prevent the occurrence of perishable deterioration, and make the content in the zipper bag have a longer storage time.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following examples are given. And with the attached drawings, the detailed description is as follows.

The foregoing and other technical contents, features, and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiment with reference to the drawings.

2 to 4, the embodiment of the present invention provides a zipper bag sealing structure, which is mainly composed of a bag body 20, a male buckle clip chain structure 30, and a female buckle clip chain structure 40, in which:

The bag body 20 has a first inner side wall 21 and a second inner side wall 22 facing the first inner side wall 21. One end of the first inner side wall 21 and one end of the second inner side wall 22 are adjacent to each other They are connected to each other to form a welding zone 23 presenting a triangular area.

The male buckle clip chain structure 30 is disposed on the first inner side wall 21 and has a male buckle protruding strip 31 and two male buckle ends 32 (indicated by one end in the figure) at both ends of the male buckle protruding strip 31; In this embodiment, the material of the male buckle clip chain structure 30 is polypropylene (PP) as an example, but it is not limited thereto, or polyethylene (PE), polyethylene terephthalate (PET) ).

The female buckle clip chain structure 40 is arranged on the second inner side wall 22 and can be separated or linked with the male buckle clip chain structure 30 under an external force, and has two opposite female buckle ends 41 (in the figure) (Indicated by one end), the female buckle clip chain structure 40 also has two female buckle protruding strips 42 and a clip chain groove 43 located between the two female buckle protruding strips 42. When the male buckle clip chain structure 30 and the female buckle When the buckle clip chain structure 40 is linked to each other, the male buckle protruding strip 31 is buckled in the clip chain groove 43; in this embodiment, the material of the female buckle clip chain structure 40 also takes polypropylene (PP) as an example. But it is not limited to this, or polyethylene (PE), polyethylene terephthalate (PET).

Since the assembly methods of the bag body 20, the male buckle clip chain structure 30, and the female buckle clip chain structure 40 are all customary and are not the focus of this case, for these components (referring to the bag body 20, the male The detailed structure and assembly method of the buckle chain structure 30 and the female buckle chain structure 40) will not be described in detail.

Wherein, the adjacent female buckle end 41 and the male buckle end 32 are welded into one body to form an integrally welded welding section 50 located in the welding zone 23; in this embodiment, the welding section 50 uses super The sonic welding method is welded in the welding zone 23, but it is not limited to this. Of course, it can also be electron beam welding, laser welding, heat welding, etc.; ultrasonic welding is a solid state cold welding. The method is to transfer a kind of high-frequency vibration energy between the two welding surfaces, so that the two produce parallel and opposite high-speed vibration, and while moving, apply relative pressure on the two planes to produce the surface layer. Shear stress. Due to the sliding caused by vibration, the particles are kneaded with each other to obtain a perfect welding block; in addition, the material of the welding section 50 is also polypropylene (PP) as an example, but it is not limited to this, or polyethylene ( PE), polyethylene terephthalate (PET).

In this embodiment, the thickness T of the welded section 50 is 3mm as an example, of course, it is not limited to this, as long as it is greater than 1mm and less than or equal to 5mm, through the welded section 50 has a certain thickness of barrier, use When separating the male buckle clip chain structure 30 and the female buckle clip chain structure 40, it can effectively avoid the problem that the welding section 50 is broken due to improper force, so as to strengthen the strength of the welding section 50, thereby making The zipper bag achieves more durable practicality, and the thickness T of the welded section 50 is less than or equal to 5mm, which can achieve convenient access to the contents of the bag body 20 without being difficult due to too small sealing of the bag body 20 The trouble of getting the contents.

The above is the configuration description of the main components of the embodiment of the present invention. As for the use mode and effect of the present invention, the following description is given.

Refer again to FIG. 3, which is a schematic diagram (1) of the top view of this embodiment. Shows the state that the male buckle clip chain structure 30 and the female buckle clip chain structure 40 are separated from each other; refer to FIG. 4 again, which is a schematic diagram (2) of the top view of this embodiment, showing the male buckle clip chain structure 30 and The female buckle clip chain structure 40 is linked to each other. The feature of the present invention is that the welded section 50 is used to make up for the lack of conventional gaps, thereby strengthening the sealing structure of the zipper bag, which can effectively prevent the contents from being damp and prevent easy Deterioration and corruption occur, and the content in the zipper bag has a longer storage time, so that people can eat the content in the zipper bag at ease.

In summary, the above-mentioned embodiments and drawings are only preferred embodiments of the present invention. When they cannot be used to limit the scope of implementation of the present invention, all equivalent changes and modifications made in accordance with the scope of the patent application of the present invention shall belong to This invention patent covers the scope.

[Traditional]

1: the first inner side

2: second inner side

3: The first clip chain body

4: The second clip chain body

5: gap

〔this invention〕

T: thickness

20: bag body

21: The first inner wall

22: second inner wall

23: Welding area

30: Male buckle clip chain structure

31: male buckle convex strip

32: Male buckle end

40: Female buckle clip chain structure

41: Female buckle end

42: Female buckle convex strip

43: clip chain slot

50: Welding section

Figure 1 is a perspective view of a conventional zipper bag. Figure 2 is a perspective view of an embodiment of the present invention. Figure 3 is a schematic diagram (1) of the top use of the embodiment of the present invention, showing the zipper bag in an open state. Figure 4 is a schematic diagram (2) of the top view of the embodiment of the present invention, showing the state that the zipper bag is in the chained state.

20: bag body

21: The first inner wall

22: second inner wall

23: Welding area

30: Male buckle clip chain structure

31: male buckle convex strip

32: Male buckle end

40: Female buckle clip chain structure

41: Female buckle end

42: Female buckle convex strip

43: clip chain slot

50: Welding section

Claims (4)

A zipper bag sealing structure, comprising: a bag body having a first inner side wall, and a second inner side wall facing the first inner side wall, one end of the first inner side wall and one end of the second inner side wall Are connected to each other to form a welding zone; a male buckle clip chain structure is arranged on the first inner side wall and has two opposite male buckle ends; and a female buckle clip chain structure is arranged on the second inner side wall and is connected to The male buckle clip chain structure can be separated or linked by an external force, and has two opposite female buckle ends; wherein, the adjacent female buckle end and the male buckle end are welded together to form a whole A welding section that is integrally fused and located in the welding zone is formed, and the thickness of the welding section is between 1 mm and 5 mm. The zipper bag sealing structure according to claim 1, wherein the male buckle zipper structure has a male buckle protruding strip, the female buckle zipper structure has two female buckle protruding strips, and one located on the two female buckle protruding strips When the male buckle clip chain structure and the female buckle clip chain structure are interlocked with each other, the male buckle protruding bar is buckled in the clip chain groove. The zipper bag sealing structure according to claim 1, wherein the material of the male buckle zipper structure and the female buckle zipper structure is polypropylene (PP), polyethylene (PE), or polyethylene terephthalate Esters (PET). The zipper bag sealing structure according to claim 1, wherein the welding section is welded in the welding zone by ultrasonic welding.

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